1c861ef83SShannon Nelson // SPDX-License-Identifier: GPL-2.0 2e689cf4aSJeff Kirsher /* niu.c: Neptune ethernet driver. 3e689cf4aSJeff Kirsher * 4e689cf4aSJeff Kirsher * Copyright (C) 2007, 2008 David S. Miller (davem@davemloft.net) 5e689cf4aSJeff Kirsher */ 6e689cf4aSJeff Kirsher 7e689cf4aSJeff Kirsher #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 8e689cf4aSJeff Kirsher 9e689cf4aSJeff Kirsher #include <linux/module.h> 10e689cf4aSJeff Kirsher #include <linux/init.h> 11e689cf4aSJeff Kirsher #include <linux/interrupt.h> 12e689cf4aSJeff Kirsher #include <linux/pci.h> 13e689cf4aSJeff Kirsher #include <linux/dma-mapping.h> 14e689cf4aSJeff Kirsher #include <linux/netdevice.h> 15e689cf4aSJeff Kirsher #include <linux/ethtool.h> 16e689cf4aSJeff Kirsher #include <linux/etherdevice.h> 17e689cf4aSJeff Kirsher #include <linux/platform_device.h> 18e689cf4aSJeff Kirsher #include <linux/delay.h> 19e689cf4aSJeff Kirsher #include <linux/bitops.h> 20e689cf4aSJeff Kirsher #include <linux/mii.h> 2101789349SJiri Pirko #include <linux/if.h> 22e689cf4aSJeff Kirsher #include <linux/if_ether.h> 23e689cf4aSJeff Kirsher #include <linux/if_vlan.h> 24e689cf4aSJeff Kirsher #include <linux/ip.h> 25e689cf4aSJeff Kirsher #include <linux/in.h> 26e689cf4aSJeff Kirsher #include <linux/ipv6.h> 27e689cf4aSJeff Kirsher #include <linux/log2.h> 28e689cf4aSJeff Kirsher #include <linux/jiffies.h> 29e689cf4aSJeff Kirsher #include <linux/crc32.h> 30e689cf4aSJeff Kirsher #include <linux/list.h> 31e689cf4aSJeff Kirsher #include <linux/slab.h> 32e689cf4aSJeff Kirsher 33e689cf4aSJeff Kirsher #include <linux/io.h> 34e689cf4aSJeff Kirsher #include <linux/of_device.h> 35e689cf4aSJeff Kirsher 36e689cf4aSJeff Kirsher #include "niu.h" 37e689cf4aSJeff Kirsher 38e689cf4aSJeff Kirsher #define DRV_MODULE_NAME "niu" 39e689cf4aSJeff Kirsher #define DRV_MODULE_VERSION "1.1" 40e689cf4aSJeff Kirsher #define DRV_MODULE_RELDATE "Apr 22, 2010" 41e689cf4aSJeff Kirsher 42f73d12bdSBill Pemberton static char version[] = 43e689cf4aSJeff Kirsher DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; 44e689cf4aSJeff Kirsher 45e689cf4aSJeff Kirsher MODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); 46e689cf4aSJeff Kirsher MODULE_DESCRIPTION("NIU ethernet driver"); 47e689cf4aSJeff Kirsher MODULE_LICENSE("GPL"); 48e689cf4aSJeff Kirsher MODULE_VERSION(DRV_MODULE_VERSION); 49e689cf4aSJeff Kirsher 50e689cf4aSJeff Kirsher #ifndef readq 51e689cf4aSJeff Kirsher static u64 readq(void __iomem *reg) 52e689cf4aSJeff Kirsher { 53e689cf4aSJeff Kirsher return ((u64) readl(reg)) | (((u64) readl(reg + 4UL)) << 32); 54e689cf4aSJeff Kirsher } 55e689cf4aSJeff Kirsher 56e689cf4aSJeff Kirsher static void writeq(u64 val, void __iomem *reg) 57e689cf4aSJeff Kirsher { 58e689cf4aSJeff Kirsher writel(val & 0xffffffff, reg); 59e689cf4aSJeff Kirsher writel(val >> 32, reg + 0x4UL); 60e689cf4aSJeff Kirsher } 61e689cf4aSJeff Kirsher #endif 62e689cf4aSJeff Kirsher 639baa3c34SBenoit Taine static const struct pci_device_id niu_pci_tbl[] = { 64e689cf4aSJeff Kirsher {PCI_DEVICE(PCI_VENDOR_ID_SUN, 0xabcd)}, 65e689cf4aSJeff Kirsher {} 66e689cf4aSJeff Kirsher }; 67e689cf4aSJeff Kirsher 68e689cf4aSJeff Kirsher MODULE_DEVICE_TABLE(pci, niu_pci_tbl); 69e689cf4aSJeff Kirsher 70e689cf4aSJeff Kirsher #define NIU_TX_TIMEOUT (5 * HZ) 71e689cf4aSJeff Kirsher 72e689cf4aSJeff Kirsher #define nr64(reg) readq(np->regs + (reg)) 73e689cf4aSJeff Kirsher #define nw64(reg, val) writeq((val), np->regs + (reg)) 74e689cf4aSJeff Kirsher 75e689cf4aSJeff Kirsher #define nr64_mac(reg) readq(np->mac_regs + (reg)) 76e689cf4aSJeff Kirsher #define nw64_mac(reg, val) writeq((val), np->mac_regs + (reg)) 77e689cf4aSJeff Kirsher 78e689cf4aSJeff Kirsher #define nr64_ipp(reg) readq(np->regs + np->ipp_off + (reg)) 79e689cf4aSJeff Kirsher #define nw64_ipp(reg, val) writeq((val), np->regs + np->ipp_off + (reg)) 80e689cf4aSJeff Kirsher 81e689cf4aSJeff Kirsher #define nr64_pcs(reg) readq(np->regs + np->pcs_off + (reg)) 82e689cf4aSJeff Kirsher #define nw64_pcs(reg, val) writeq((val), np->regs + np->pcs_off + (reg)) 83e689cf4aSJeff Kirsher 84e689cf4aSJeff Kirsher #define nr64_xpcs(reg) readq(np->regs + np->xpcs_off + (reg)) 85e689cf4aSJeff Kirsher #define nw64_xpcs(reg, val) writeq((val), np->regs + np->xpcs_off + (reg)) 86e689cf4aSJeff Kirsher 87e689cf4aSJeff Kirsher #define NIU_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 88e689cf4aSJeff Kirsher 89e689cf4aSJeff Kirsher static int niu_debug; 90e689cf4aSJeff Kirsher static int debug = -1; 91e689cf4aSJeff Kirsher module_param(debug, int, 0); 92e689cf4aSJeff Kirsher MODULE_PARM_DESC(debug, "NIU debug level"); 93e689cf4aSJeff Kirsher 94e689cf4aSJeff Kirsher #define niu_lock_parent(np, flags) \ 95e689cf4aSJeff Kirsher spin_lock_irqsave(&np->parent->lock, flags) 96e689cf4aSJeff Kirsher #define niu_unlock_parent(np, flags) \ 97e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->parent->lock, flags) 98e689cf4aSJeff Kirsher 99e689cf4aSJeff Kirsher static int serdes_init_10g_serdes(struct niu *np); 100e689cf4aSJeff Kirsher 101e689cf4aSJeff Kirsher static int __niu_wait_bits_clear_mac(struct niu *np, unsigned long reg, 102e689cf4aSJeff Kirsher u64 bits, int limit, int delay) 103e689cf4aSJeff Kirsher { 104e689cf4aSJeff Kirsher while (--limit >= 0) { 105e689cf4aSJeff Kirsher u64 val = nr64_mac(reg); 106e689cf4aSJeff Kirsher 107e689cf4aSJeff Kirsher if (!(val & bits)) 108e689cf4aSJeff Kirsher break; 109e689cf4aSJeff Kirsher udelay(delay); 110e689cf4aSJeff Kirsher } 111e689cf4aSJeff Kirsher if (limit < 0) 112e689cf4aSJeff Kirsher return -ENODEV; 113e689cf4aSJeff Kirsher return 0; 114e689cf4aSJeff Kirsher } 115e689cf4aSJeff Kirsher 116e689cf4aSJeff Kirsher static int __niu_set_and_wait_clear_mac(struct niu *np, unsigned long reg, 117e689cf4aSJeff Kirsher u64 bits, int limit, int delay, 118e689cf4aSJeff Kirsher const char *reg_name) 119e689cf4aSJeff Kirsher { 120e689cf4aSJeff Kirsher int err; 121e689cf4aSJeff Kirsher 122e689cf4aSJeff Kirsher nw64_mac(reg, bits); 123e689cf4aSJeff Kirsher err = __niu_wait_bits_clear_mac(np, reg, bits, limit, delay); 124e689cf4aSJeff Kirsher if (err) 125e689cf4aSJeff Kirsher netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 126e689cf4aSJeff Kirsher (unsigned long long)bits, reg_name, 127e689cf4aSJeff Kirsher (unsigned long long)nr64_mac(reg)); 128e689cf4aSJeff Kirsher return err; 129e689cf4aSJeff Kirsher } 130e689cf4aSJeff Kirsher 131e689cf4aSJeff Kirsher #define niu_set_and_wait_clear_mac(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 132e689cf4aSJeff Kirsher ({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 133e689cf4aSJeff Kirsher __niu_set_and_wait_clear_mac(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 134e689cf4aSJeff Kirsher }) 135e689cf4aSJeff Kirsher 136e689cf4aSJeff Kirsher static int __niu_wait_bits_clear_ipp(struct niu *np, unsigned long reg, 137e689cf4aSJeff Kirsher u64 bits, int limit, int delay) 138e689cf4aSJeff Kirsher { 139e689cf4aSJeff Kirsher while (--limit >= 0) { 140e689cf4aSJeff Kirsher u64 val = nr64_ipp(reg); 141e689cf4aSJeff Kirsher 142e689cf4aSJeff Kirsher if (!(val & bits)) 143e689cf4aSJeff Kirsher break; 144e689cf4aSJeff Kirsher udelay(delay); 145e689cf4aSJeff Kirsher } 146e689cf4aSJeff Kirsher if (limit < 0) 147e689cf4aSJeff Kirsher return -ENODEV; 148e689cf4aSJeff Kirsher return 0; 149e689cf4aSJeff Kirsher } 150e689cf4aSJeff Kirsher 151e689cf4aSJeff Kirsher static int __niu_set_and_wait_clear_ipp(struct niu *np, unsigned long reg, 152e689cf4aSJeff Kirsher u64 bits, int limit, int delay, 153e689cf4aSJeff Kirsher const char *reg_name) 154e689cf4aSJeff Kirsher { 155e689cf4aSJeff Kirsher int err; 156e689cf4aSJeff Kirsher u64 val; 157e689cf4aSJeff Kirsher 158e689cf4aSJeff Kirsher val = nr64_ipp(reg); 159e689cf4aSJeff Kirsher val |= bits; 160e689cf4aSJeff Kirsher nw64_ipp(reg, val); 161e689cf4aSJeff Kirsher 162e689cf4aSJeff Kirsher err = __niu_wait_bits_clear_ipp(np, reg, bits, limit, delay); 163e689cf4aSJeff Kirsher if (err) 164e689cf4aSJeff Kirsher netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 165e689cf4aSJeff Kirsher (unsigned long long)bits, reg_name, 166e689cf4aSJeff Kirsher (unsigned long long)nr64_ipp(reg)); 167e689cf4aSJeff Kirsher return err; 168e689cf4aSJeff Kirsher } 169e689cf4aSJeff Kirsher 170e689cf4aSJeff Kirsher #define niu_set_and_wait_clear_ipp(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 171e689cf4aSJeff Kirsher ({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 172e689cf4aSJeff Kirsher __niu_set_and_wait_clear_ipp(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 173e689cf4aSJeff Kirsher }) 174e689cf4aSJeff Kirsher 175e689cf4aSJeff Kirsher static int __niu_wait_bits_clear(struct niu *np, unsigned long reg, 176e689cf4aSJeff Kirsher u64 bits, int limit, int delay) 177e689cf4aSJeff Kirsher { 178e689cf4aSJeff Kirsher while (--limit >= 0) { 179e689cf4aSJeff Kirsher u64 val = nr64(reg); 180e689cf4aSJeff Kirsher 181e689cf4aSJeff Kirsher if (!(val & bits)) 182e689cf4aSJeff Kirsher break; 183e689cf4aSJeff Kirsher udelay(delay); 184e689cf4aSJeff Kirsher } 185e689cf4aSJeff Kirsher if (limit < 0) 186e689cf4aSJeff Kirsher return -ENODEV; 187e689cf4aSJeff Kirsher return 0; 188e689cf4aSJeff Kirsher } 189e689cf4aSJeff Kirsher 190e689cf4aSJeff Kirsher #define niu_wait_bits_clear(NP, REG, BITS, LIMIT, DELAY) \ 191e689cf4aSJeff Kirsher ({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 192e689cf4aSJeff Kirsher __niu_wait_bits_clear(NP, REG, BITS, LIMIT, DELAY); \ 193e689cf4aSJeff Kirsher }) 194e689cf4aSJeff Kirsher 195e689cf4aSJeff Kirsher static int __niu_set_and_wait_clear(struct niu *np, unsigned long reg, 196e689cf4aSJeff Kirsher u64 bits, int limit, int delay, 197e689cf4aSJeff Kirsher const char *reg_name) 198e689cf4aSJeff Kirsher { 199e689cf4aSJeff Kirsher int err; 200e689cf4aSJeff Kirsher 201e689cf4aSJeff Kirsher nw64(reg, bits); 202e689cf4aSJeff Kirsher err = __niu_wait_bits_clear(np, reg, bits, limit, delay); 203e689cf4aSJeff Kirsher if (err) 204e689cf4aSJeff Kirsher netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 205e689cf4aSJeff Kirsher (unsigned long long)bits, reg_name, 206e689cf4aSJeff Kirsher (unsigned long long)nr64(reg)); 207e689cf4aSJeff Kirsher return err; 208e689cf4aSJeff Kirsher } 209e689cf4aSJeff Kirsher 210e689cf4aSJeff Kirsher #define niu_set_and_wait_clear(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 211e689cf4aSJeff Kirsher ({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 212e689cf4aSJeff Kirsher __niu_set_and_wait_clear(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 213e689cf4aSJeff Kirsher }) 214e689cf4aSJeff Kirsher 215e689cf4aSJeff Kirsher static void niu_ldg_rearm(struct niu *np, struct niu_ldg *lp, int on) 216e689cf4aSJeff Kirsher { 217e689cf4aSJeff Kirsher u64 val = (u64) lp->timer; 218e689cf4aSJeff Kirsher 219e689cf4aSJeff Kirsher if (on) 220e689cf4aSJeff Kirsher val |= LDG_IMGMT_ARM; 221e689cf4aSJeff Kirsher 222e689cf4aSJeff Kirsher nw64(LDG_IMGMT(lp->ldg_num), val); 223e689cf4aSJeff Kirsher } 224e689cf4aSJeff Kirsher 225e689cf4aSJeff Kirsher static int niu_ldn_irq_enable(struct niu *np, int ldn, int on) 226e689cf4aSJeff Kirsher { 227e689cf4aSJeff Kirsher unsigned long mask_reg, bits; 228e689cf4aSJeff Kirsher u64 val; 229e689cf4aSJeff Kirsher 230e689cf4aSJeff Kirsher if (ldn < 0 || ldn > LDN_MAX) 231e689cf4aSJeff Kirsher return -EINVAL; 232e689cf4aSJeff Kirsher 233e689cf4aSJeff Kirsher if (ldn < 64) { 234e689cf4aSJeff Kirsher mask_reg = LD_IM0(ldn); 235e689cf4aSJeff Kirsher bits = LD_IM0_MASK; 236e689cf4aSJeff Kirsher } else { 237e689cf4aSJeff Kirsher mask_reg = LD_IM1(ldn - 64); 238e689cf4aSJeff Kirsher bits = LD_IM1_MASK; 239e689cf4aSJeff Kirsher } 240e689cf4aSJeff Kirsher 241e689cf4aSJeff Kirsher val = nr64(mask_reg); 242e689cf4aSJeff Kirsher if (on) 243e689cf4aSJeff Kirsher val &= ~bits; 244e689cf4aSJeff Kirsher else 245e689cf4aSJeff Kirsher val |= bits; 246e689cf4aSJeff Kirsher nw64(mask_reg, val); 247e689cf4aSJeff Kirsher 248e689cf4aSJeff Kirsher return 0; 249e689cf4aSJeff Kirsher } 250e689cf4aSJeff Kirsher 251e689cf4aSJeff Kirsher static int niu_enable_ldn_in_ldg(struct niu *np, struct niu_ldg *lp, int on) 252e689cf4aSJeff Kirsher { 253e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 254e689cf4aSJeff Kirsher int i; 255e689cf4aSJeff Kirsher 256e689cf4aSJeff Kirsher for (i = 0; i <= LDN_MAX; i++) { 257e689cf4aSJeff Kirsher int err; 258e689cf4aSJeff Kirsher 259e689cf4aSJeff Kirsher if (parent->ldg_map[i] != lp->ldg_num) 260e689cf4aSJeff Kirsher continue; 261e689cf4aSJeff Kirsher 262e689cf4aSJeff Kirsher err = niu_ldn_irq_enable(np, i, on); 263e689cf4aSJeff Kirsher if (err) 264e689cf4aSJeff Kirsher return err; 265e689cf4aSJeff Kirsher } 266e689cf4aSJeff Kirsher return 0; 267e689cf4aSJeff Kirsher } 268e689cf4aSJeff Kirsher 269e689cf4aSJeff Kirsher static int niu_enable_interrupts(struct niu *np, int on) 270e689cf4aSJeff Kirsher { 271e689cf4aSJeff Kirsher int i; 272e689cf4aSJeff Kirsher 273e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) { 274e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[i]; 275e689cf4aSJeff Kirsher int err; 276e689cf4aSJeff Kirsher 277e689cf4aSJeff Kirsher err = niu_enable_ldn_in_ldg(np, lp, on); 278e689cf4aSJeff Kirsher if (err) 279e689cf4aSJeff Kirsher return err; 280e689cf4aSJeff Kirsher } 281e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) 282e689cf4aSJeff Kirsher niu_ldg_rearm(np, &np->ldg[i], on); 283e689cf4aSJeff Kirsher 284e689cf4aSJeff Kirsher return 0; 285e689cf4aSJeff Kirsher } 286e689cf4aSJeff Kirsher 287e689cf4aSJeff Kirsher static u32 phy_encode(u32 type, int port) 288e689cf4aSJeff Kirsher { 289e689cf4aSJeff Kirsher return type << (port * 2); 290e689cf4aSJeff Kirsher } 291e689cf4aSJeff Kirsher 292e689cf4aSJeff Kirsher static u32 phy_decode(u32 val, int port) 293e689cf4aSJeff Kirsher { 294e689cf4aSJeff Kirsher return (val >> (port * 2)) & PORT_TYPE_MASK; 295e689cf4aSJeff Kirsher } 296e689cf4aSJeff Kirsher 297e689cf4aSJeff Kirsher static int mdio_wait(struct niu *np) 298e689cf4aSJeff Kirsher { 299e689cf4aSJeff Kirsher int limit = 1000; 300e689cf4aSJeff Kirsher u64 val; 301e689cf4aSJeff Kirsher 302e689cf4aSJeff Kirsher while (--limit > 0) { 303e689cf4aSJeff Kirsher val = nr64(MIF_FRAME_OUTPUT); 304e689cf4aSJeff Kirsher if ((val >> MIF_FRAME_OUTPUT_TA_SHIFT) & 0x1) 305e689cf4aSJeff Kirsher return val & MIF_FRAME_OUTPUT_DATA; 306e689cf4aSJeff Kirsher 307e689cf4aSJeff Kirsher udelay(10); 308e689cf4aSJeff Kirsher } 309e689cf4aSJeff Kirsher 310e689cf4aSJeff Kirsher return -ENODEV; 311e689cf4aSJeff Kirsher } 312e689cf4aSJeff Kirsher 313e689cf4aSJeff Kirsher static int mdio_read(struct niu *np, int port, int dev, int reg) 314e689cf4aSJeff Kirsher { 315e689cf4aSJeff Kirsher int err; 316e689cf4aSJeff Kirsher 317e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MDIO_ADDR_OP(port, dev, reg)); 318e689cf4aSJeff Kirsher err = mdio_wait(np); 319e689cf4aSJeff Kirsher if (err < 0) 320e689cf4aSJeff Kirsher return err; 321e689cf4aSJeff Kirsher 322e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MDIO_READ_OP(port, dev)); 323e689cf4aSJeff Kirsher return mdio_wait(np); 324e689cf4aSJeff Kirsher } 325e689cf4aSJeff Kirsher 326e689cf4aSJeff Kirsher static int mdio_write(struct niu *np, int port, int dev, int reg, int data) 327e689cf4aSJeff Kirsher { 328e689cf4aSJeff Kirsher int err; 329e689cf4aSJeff Kirsher 330e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MDIO_ADDR_OP(port, dev, reg)); 331e689cf4aSJeff Kirsher err = mdio_wait(np); 332e689cf4aSJeff Kirsher if (err < 0) 333e689cf4aSJeff Kirsher return err; 334e689cf4aSJeff Kirsher 335e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MDIO_WRITE_OP(port, dev, data)); 336e689cf4aSJeff Kirsher err = mdio_wait(np); 337e689cf4aSJeff Kirsher if (err < 0) 338e689cf4aSJeff Kirsher return err; 339e689cf4aSJeff Kirsher 340e689cf4aSJeff Kirsher return 0; 341e689cf4aSJeff Kirsher } 342e689cf4aSJeff Kirsher 343e689cf4aSJeff Kirsher static int mii_read(struct niu *np, int port, int reg) 344e689cf4aSJeff Kirsher { 345e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MII_READ_OP(port, reg)); 346e689cf4aSJeff Kirsher return mdio_wait(np); 347e689cf4aSJeff Kirsher } 348e689cf4aSJeff Kirsher 349e689cf4aSJeff Kirsher static int mii_write(struct niu *np, int port, int reg, int data) 350e689cf4aSJeff Kirsher { 351e689cf4aSJeff Kirsher int err; 352e689cf4aSJeff Kirsher 353e689cf4aSJeff Kirsher nw64(MIF_FRAME_OUTPUT, MII_WRITE_OP(port, reg, data)); 354e689cf4aSJeff Kirsher err = mdio_wait(np); 355e689cf4aSJeff Kirsher if (err < 0) 356e689cf4aSJeff Kirsher return err; 357e689cf4aSJeff Kirsher 358e689cf4aSJeff Kirsher return 0; 359e689cf4aSJeff Kirsher } 360e689cf4aSJeff Kirsher 361e689cf4aSJeff Kirsher static int esr2_set_tx_cfg(struct niu *np, unsigned long channel, u32 val) 362e689cf4aSJeff Kirsher { 363e689cf4aSJeff Kirsher int err; 364e689cf4aSJeff Kirsher 365e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 366e689cf4aSJeff Kirsher ESR2_TI_PLL_TX_CFG_L(channel), 367e689cf4aSJeff Kirsher val & 0xffff); 368e689cf4aSJeff Kirsher if (!err) 369e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 370e689cf4aSJeff Kirsher ESR2_TI_PLL_TX_CFG_H(channel), 371e689cf4aSJeff Kirsher val >> 16); 372e689cf4aSJeff Kirsher return err; 373e689cf4aSJeff Kirsher } 374e689cf4aSJeff Kirsher 375e689cf4aSJeff Kirsher static int esr2_set_rx_cfg(struct niu *np, unsigned long channel, u32 val) 376e689cf4aSJeff Kirsher { 377e689cf4aSJeff Kirsher int err; 378e689cf4aSJeff Kirsher 379e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 380e689cf4aSJeff Kirsher ESR2_TI_PLL_RX_CFG_L(channel), 381e689cf4aSJeff Kirsher val & 0xffff); 382e689cf4aSJeff Kirsher if (!err) 383e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 384e689cf4aSJeff Kirsher ESR2_TI_PLL_RX_CFG_H(channel), 385e689cf4aSJeff Kirsher val >> 16); 386e689cf4aSJeff Kirsher return err; 387e689cf4aSJeff Kirsher } 388e689cf4aSJeff Kirsher 389e689cf4aSJeff Kirsher /* Mode is always 10G fiber. */ 390e689cf4aSJeff Kirsher static int serdes_init_niu_10g_fiber(struct niu *np) 391e689cf4aSJeff Kirsher { 392e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 393e689cf4aSJeff Kirsher u32 tx_cfg, rx_cfg; 394e689cf4aSJeff Kirsher unsigned long i; 395e689cf4aSJeff Kirsher 396e689cf4aSJeff Kirsher tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV); 397e689cf4aSJeff Kirsher rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 398e689cf4aSJeff Kirsher PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 399e689cf4aSJeff Kirsher PLL_RX_CFG_EQ_LP_ADAPTIVE); 400e689cf4aSJeff Kirsher 401e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 402e689cf4aSJeff Kirsher u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 403e689cf4aSJeff Kirsher 404e689cf4aSJeff Kirsher mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 405e689cf4aSJeff Kirsher ESR2_TI_PLL_TEST_CFG_L, test_cfg); 406e689cf4aSJeff Kirsher 407e689cf4aSJeff Kirsher tx_cfg |= PLL_TX_CFG_ENTEST; 408e689cf4aSJeff Kirsher rx_cfg |= PLL_RX_CFG_ENTEST; 409e689cf4aSJeff Kirsher } 410e689cf4aSJeff Kirsher 411e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 412e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 413e689cf4aSJeff Kirsher int err = esr2_set_tx_cfg(np, i, tx_cfg); 414e689cf4aSJeff Kirsher if (err) 415e689cf4aSJeff Kirsher return err; 416e689cf4aSJeff Kirsher } 417e689cf4aSJeff Kirsher 418e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 419e689cf4aSJeff Kirsher int err = esr2_set_rx_cfg(np, i, rx_cfg); 420e689cf4aSJeff Kirsher if (err) 421e689cf4aSJeff Kirsher return err; 422e689cf4aSJeff Kirsher } 423e689cf4aSJeff Kirsher 424e689cf4aSJeff Kirsher return 0; 425e689cf4aSJeff Kirsher } 426e689cf4aSJeff Kirsher 427e689cf4aSJeff Kirsher static int serdes_init_niu_1g_serdes(struct niu *np) 428e689cf4aSJeff Kirsher { 429e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 430e689cf4aSJeff Kirsher u16 pll_cfg, pll_sts; 431e689cf4aSJeff Kirsher int max_retry = 100; 4323f649ab7SKees Cook u64 sig, mask, val; 433e689cf4aSJeff Kirsher u32 tx_cfg, rx_cfg; 434e689cf4aSJeff Kirsher unsigned long i; 435e689cf4aSJeff Kirsher int err; 436e689cf4aSJeff Kirsher 437e689cf4aSJeff Kirsher tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV | 438e689cf4aSJeff Kirsher PLL_TX_CFG_RATE_HALF); 439e689cf4aSJeff Kirsher rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 440e689cf4aSJeff Kirsher PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 441e689cf4aSJeff Kirsher PLL_RX_CFG_RATE_HALF); 442e689cf4aSJeff Kirsher 443e689cf4aSJeff Kirsher if (np->port == 0) 444e689cf4aSJeff Kirsher rx_cfg |= PLL_RX_CFG_EQ_LP_ADAPTIVE; 445e689cf4aSJeff Kirsher 446e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 447e689cf4aSJeff Kirsher u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 448e689cf4aSJeff Kirsher 449e689cf4aSJeff Kirsher mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 450e689cf4aSJeff Kirsher ESR2_TI_PLL_TEST_CFG_L, test_cfg); 451e689cf4aSJeff Kirsher 452e689cf4aSJeff Kirsher tx_cfg |= PLL_TX_CFG_ENTEST; 453e689cf4aSJeff Kirsher rx_cfg |= PLL_RX_CFG_ENTEST; 454e689cf4aSJeff Kirsher } 455e689cf4aSJeff Kirsher 456e689cf4aSJeff Kirsher /* Initialize PLL for 1G */ 457e689cf4aSJeff Kirsher pll_cfg = (PLL_CFG_ENPLL | PLL_CFG_MPY_8X); 458e689cf4aSJeff Kirsher 459e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 460e689cf4aSJeff Kirsher ESR2_TI_PLL_CFG_L, pll_cfg); 461e689cf4aSJeff Kirsher if (err) { 462e689cf4aSJeff Kirsher netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_CFG_L failed\n", 463e689cf4aSJeff Kirsher np->port, __func__); 464e689cf4aSJeff Kirsher return err; 465e689cf4aSJeff Kirsher } 466e689cf4aSJeff Kirsher 467e689cf4aSJeff Kirsher pll_sts = PLL_CFG_ENPLL; 468e689cf4aSJeff Kirsher 469e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 470e689cf4aSJeff Kirsher ESR2_TI_PLL_STS_L, pll_sts); 471e689cf4aSJeff Kirsher if (err) { 472e689cf4aSJeff Kirsher netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_STS_L failed\n", 473e689cf4aSJeff Kirsher np->port, __func__); 474e689cf4aSJeff Kirsher return err; 475e689cf4aSJeff Kirsher } 476e689cf4aSJeff Kirsher 477e689cf4aSJeff Kirsher udelay(200); 478e689cf4aSJeff Kirsher 479e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 480e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 481e689cf4aSJeff Kirsher err = esr2_set_tx_cfg(np, i, tx_cfg); 482e689cf4aSJeff Kirsher if (err) 483e689cf4aSJeff Kirsher return err; 484e689cf4aSJeff Kirsher } 485e689cf4aSJeff Kirsher 486e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 487e689cf4aSJeff Kirsher err = esr2_set_rx_cfg(np, i, rx_cfg); 488e689cf4aSJeff Kirsher if (err) 489e689cf4aSJeff Kirsher return err; 490e689cf4aSJeff Kirsher } 491e689cf4aSJeff Kirsher 492e689cf4aSJeff Kirsher switch (np->port) { 493e689cf4aSJeff Kirsher case 0: 494e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | ESR_INT_DET0_P0); 495e689cf4aSJeff Kirsher mask = val; 496e689cf4aSJeff Kirsher break; 497e689cf4aSJeff Kirsher 498e689cf4aSJeff Kirsher case 1: 499e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | ESR_INT_DET0_P1); 500e689cf4aSJeff Kirsher mask = val; 501e689cf4aSJeff Kirsher break; 502e689cf4aSJeff Kirsher 503e689cf4aSJeff Kirsher default: 504e689cf4aSJeff Kirsher return -EINVAL; 505e689cf4aSJeff Kirsher } 506e689cf4aSJeff Kirsher 507e689cf4aSJeff Kirsher while (max_retry--) { 508e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 509e689cf4aSJeff Kirsher if ((sig & mask) == val) 510e689cf4aSJeff Kirsher break; 511e689cf4aSJeff Kirsher 512e689cf4aSJeff Kirsher mdelay(500); 513e689cf4aSJeff Kirsher } 514e689cf4aSJeff Kirsher 515e689cf4aSJeff Kirsher if ((sig & mask) != val) { 516e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 517e689cf4aSJeff Kirsher np->port, (int)(sig & mask), (int)val); 518e689cf4aSJeff Kirsher return -ENODEV; 519e689cf4aSJeff Kirsher } 520e689cf4aSJeff Kirsher 521e689cf4aSJeff Kirsher return 0; 522e689cf4aSJeff Kirsher } 523e689cf4aSJeff Kirsher 524e689cf4aSJeff Kirsher static int serdes_init_niu_10g_serdes(struct niu *np) 525e689cf4aSJeff Kirsher { 526e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 527e689cf4aSJeff Kirsher u32 tx_cfg, rx_cfg, pll_cfg, pll_sts; 528e689cf4aSJeff Kirsher int max_retry = 100; 5293f649ab7SKees Cook u64 sig, mask, val; 530e689cf4aSJeff Kirsher unsigned long i; 531e689cf4aSJeff Kirsher int err; 532e689cf4aSJeff Kirsher 533e689cf4aSJeff Kirsher tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV); 534e689cf4aSJeff Kirsher rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 535e689cf4aSJeff Kirsher PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 536e689cf4aSJeff Kirsher PLL_RX_CFG_EQ_LP_ADAPTIVE); 537e689cf4aSJeff Kirsher 538e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 539e689cf4aSJeff Kirsher u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 540e689cf4aSJeff Kirsher 541e689cf4aSJeff Kirsher mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 542e689cf4aSJeff Kirsher ESR2_TI_PLL_TEST_CFG_L, test_cfg); 543e689cf4aSJeff Kirsher 544e689cf4aSJeff Kirsher tx_cfg |= PLL_TX_CFG_ENTEST; 545e689cf4aSJeff Kirsher rx_cfg |= PLL_RX_CFG_ENTEST; 546e689cf4aSJeff Kirsher } 547e689cf4aSJeff Kirsher 548e689cf4aSJeff Kirsher /* Initialize PLL for 10G */ 549e689cf4aSJeff Kirsher pll_cfg = (PLL_CFG_ENPLL | PLL_CFG_MPY_10X); 550e689cf4aSJeff Kirsher 551e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 552e689cf4aSJeff Kirsher ESR2_TI_PLL_CFG_L, pll_cfg & 0xffff); 553e689cf4aSJeff Kirsher if (err) { 554e689cf4aSJeff Kirsher netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_CFG_L failed\n", 555e689cf4aSJeff Kirsher np->port, __func__); 556e689cf4aSJeff Kirsher return err; 557e689cf4aSJeff Kirsher } 558e689cf4aSJeff Kirsher 559e689cf4aSJeff Kirsher pll_sts = PLL_CFG_ENPLL; 560e689cf4aSJeff Kirsher 561e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 562e689cf4aSJeff Kirsher ESR2_TI_PLL_STS_L, pll_sts & 0xffff); 563e689cf4aSJeff Kirsher if (err) { 564e689cf4aSJeff Kirsher netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_STS_L failed\n", 565e689cf4aSJeff Kirsher np->port, __func__); 566e689cf4aSJeff Kirsher return err; 567e689cf4aSJeff Kirsher } 568e689cf4aSJeff Kirsher 569e689cf4aSJeff Kirsher udelay(200); 570e689cf4aSJeff Kirsher 571e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 572e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 573e689cf4aSJeff Kirsher err = esr2_set_tx_cfg(np, i, tx_cfg); 574e689cf4aSJeff Kirsher if (err) 575e689cf4aSJeff Kirsher return err; 576e689cf4aSJeff Kirsher } 577e689cf4aSJeff Kirsher 578e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 579e689cf4aSJeff Kirsher err = esr2_set_rx_cfg(np, i, rx_cfg); 580e689cf4aSJeff Kirsher if (err) 581e689cf4aSJeff Kirsher return err; 582e689cf4aSJeff Kirsher } 583e689cf4aSJeff Kirsher 584e689cf4aSJeff Kirsher /* check if serdes is ready */ 585e689cf4aSJeff Kirsher 586e689cf4aSJeff Kirsher switch (np->port) { 587e689cf4aSJeff Kirsher case 0: 588e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P0_BITS; 589e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | 590e689cf4aSJeff Kirsher ESR_INT_DET0_P0 | 591e689cf4aSJeff Kirsher ESR_INT_XSRDY_P0 | 592e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH3 | 593e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH2 | 594e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH1 | 595e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH0); 596e689cf4aSJeff Kirsher break; 597e689cf4aSJeff Kirsher 598e689cf4aSJeff Kirsher case 1: 599e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P1_BITS; 600e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | 601e689cf4aSJeff Kirsher ESR_INT_DET0_P1 | 602e689cf4aSJeff Kirsher ESR_INT_XSRDY_P1 | 603e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH3 | 604e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH2 | 605e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH1 | 606e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH0); 607e689cf4aSJeff Kirsher break; 608e689cf4aSJeff Kirsher 609e689cf4aSJeff Kirsher default: 610e689cf4aSJeff Kirsher return -EINVAL; 611e689cf4aSJeff Kirsher } 612e689cf4aSJeff Kirsher 613e689cf4aSJeff Kirsher while (max_retry--) { 614e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 615e689cf4aSJeff Kirsher if ((sig & mask) == val) 616e689cf4aSJeff Kirsher break; 617e689cf4aSJeff Kirsher 618e689cf4aSJeff Kirsher mdelay(500); 619e689cf4aSJeff Kirsher } 620e689cf4aSJeff Kirsher 621e689cf4aSJeff Kirsher if ((sig & mask) != val) { 622e689cf4aSJeff Kirsher pr_info("NIU Port %u signal bits [%08x] are not [%08x] for 10G...trying 1G\n", 623e689cf4aSJeff Kirsher np->port, (int)(sig & mask), (int)val); 624e689cf4aSJeff Kirsher 625e689cf4aSJeff Kirsher /* 10G failed, try initializing at 1G */ 626e689cf4aSJeff Kirsher err = serdes_init_niu_1g_serdes(np); 627e689cf4aSJeff Kirsher if (!err) { 628e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 629e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 630e689cf4aSJeff Kirsher } else { 631e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u 10G/1G SERDES Link Failed\n", 632e689cf4aSJeff Kirsher np->port); 633e689cf4aSJeff Kirsher return -ENODEV; 634e689cf4aSJeff Kirsher } 635e689cf4aSJeff Kirsher } 636e689cf4aSJeff Kirsher return 0; 637e689cf4aSJeff Kirsher } 638e689cf4aSJeff Kirsher 639e689cf4aSJeff Kirsher static int esr_read_rxtx_ctrl(struct niu *np, unsigned long chan, u32 *val) 640e689cf4aSJeff Kirsher { 641e689cf4aSJeff Kirsher int err; 642e689cf4aSJeff Kirsher 643e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, ESR_RXTX_CTRL_L(chan)); 644e689cf4aSJeff Kirsher if (err >= 0) { 645e689cf4aSJeff Kirsher *val = (err & 0xffff); 646e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 647e689cf4aSJeff Kirsher ESR_RXTX_CTRL_H(chan)); 648e689cf4aSJeff Kirsher if (err >= 0) 649e689cf4aSJeff Kirsher *val |= ((err & 0xffff) << 16); 650e689cf4aSJeff Kirsher err = 0; 651e689cf4aSJeff Kirsher } 652e689cf4aSJeff Kirsher return err; 653e689cf4aSJeff Kirsher } 654e689cf4aSJeff Kirsher 655e689cf4aSJeff Kirsher static int esr_read_glue0(struct niu *np, unsigned long chan, u32 *val) 656e689cf4aSJeff Kirsher { 657e689cf4aSJeff Kirsher int err; 658e689cf4aSJeff Kirsher 659e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 660e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_L(chan)); 661e689cf4aSJeff Kirsher if (err >= 0) { 662e689cf4aSJeff Kirsher *val = (err & 0xffff); 663e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 664e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_H(chan)); 665e689cf4aSJeff Kirsher if (err >= 0) { 666e689cf4aSJeff Kirsher *val |= ((err & 0xffff) << 16); 667e689cf4aSJeff Kirsher err = 0; 668e689cf4aSJeff Kirsher } 669e689cf4aSJeff Kirsher } 670e689cf4aSJeff Kirsher return err; 671e689cf4aSJeff Kirsher } 672e689cf4aSJeff Kirsher 673e689cf4aSJeff Kirsher static int esr_read_reset(struct niu *np, u32 *val) 674e689cf4aSJeff Kirsher { 675e689cf4aSJeff Kirsher int err; 676e689cf4aSJeff Kirsher 677e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 678e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_L); 679e689cf4aSJeff Kirsher if (err >= 0) { 680e689cf4aSJeff Kirsher *val = (err & 0xffff); 681e689cf4aSJeff Kirsher err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 682e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_H); 683e689cf4aSJeff Kirsher if (err >= 0) { 684e689cf4aSJeff Kirsher *val |= ((err & 0xffff) << 16); 685e689cf4aSJeff Kirsher err = 0; 686e689cf4aSJeff Kirsher } 687e689cf4aSJeff Kirsher } 688e689cf4aSJeff Kirsher return err; 689e689cf4aSJeff Kirsher } 690e689cf4aSJeff Kirsher 691e689cf4aSJeff Kirsher static int esr_write_rxtx_ctrl(struct niu *np, unsigned long chan, u32 val) 692e689cf4aSJeff Kirsher { 693e689cf4aSJeff Kirsher int err; 694e689cf4aSJeff Kirsher 695e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 696e689cf4aSJeff Kirsher ESR_RXTX_CTRL_L(chan), val & 0xffff); 697e689cf4aSJeff Kirsher if (!err) 698e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 699e689cf4aSJeff Kirsher ESR_RXTX_CTRL_H(chan), (val >> 16)); 700e689cf4aSJeff Kirsher return err; 701e689cf4aSJeff Kirsher } 702e689cf4aSJeff Kirsher 703e689cf4aSJeff Kirsher static int esr_write_glue0(struct niu *np, unsigned long chan, u32 val) 704e689cf4aSJeff Kirsher { 705e689cf4aSJeff Kirsher int err; 706e689cf4aSJeff Kirsher 707e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 708e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_L(chan), val & 0xffff); 709e689cf4aSJeff Kirsher if (!err) 710e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 711e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_H(chan), (val >> 16)); 712e689cf4aSJeff Kirsher return err; 713e689cf4aSJeff Kirsher } 714e689cf4aSJeff Kirsher 715e689cf4aSJeff Kirsher static int esr_reset(struct niu *np) 716e689cf4aSJeff Kirsher { 7173f649ab7SKees Cook u32 reset; 718e689cf4aSJeff Kirsher int err; 719e689cf4aSJeff Kirsher 720e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 721e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_L, 0x0000); 722e689cf4aSJeff Kirsher if (err) 723e689cf4aSJeff Kirsher return err; 724e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 725e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_H, 0xffff); 726e689cf4aSJeff Kirsher if (err) 727e689cf4aSJeff Kirsher return err; 728e689cf4aSJeff Kirsher udelay(200); 729e689cf4aSJeff Kirsher 730e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 731e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_L, 0xffff); 732e689cf4aSJeff Kirsher if (err) 733e689cf4aSJeff Kirsher return err; 734e689cf4aSJeff Kirsher udelay(200); 735e689cf4aSJeff Kirsher 736e689cf4aSJeff Kirsher err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 737e689cf4aSJeff Kirsher ESR_RXTX_RESET_CTRL_H, 0x0000); 738e689cf4aSJeff Kirsher if (err) 739e689cf4aSJeff Kirsher return err; 740e689cf4aSJeff Kirsher udelay(200); 741e689cf4aSJeff Kirsher 742e689cf4aSJeff Kirsher err = esr_read_reset(np, &reset); 743e689cf4aSJeff Kirsher if (err) 744e689cf4aSJeff Kirsher return err; 745e689cf4aSJeff Kirsher if (reset != 0) { 746e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u ESR_RESET did not clear [%08x]\n", 747e689cf4aSJeff Kirsher np->port, reset); 748e689cf4aSJeff Kirsher return -ENODEV; 749e689cf4aSJeff Kirsher } 750e689cf4aSJeff Kirsher 751e689cf4aSJeff Kirsher return 0; 752e689cf4aSJeff Kirsher } 753e689cf4aSJeff Kirsher 754e689cf4aSJeff Kirsher static int serdes_init_10g(struct niu *np) 755e689cf4aSJeff Kirsher { 756e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 757e689cf4aSJeff Kirsher unsigned long ctrl_reg, test_cfg_reg, i; 758e689cf4aSJeff Kirsher u64 ctrl_val, test_cfg_val, sig, mask, val; 759e689cf4aSJeff Kirsher int err; 760e689cf4aSJeff Kirsher 761e689cf4aSJeff Kirsher switch (np->port) { 762e689cf4aSJeff Kirsher case 0: 763e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_0_CTRL_CFG; 764e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_0_TEST_CFG; 765e689cf4aSJeff Kirsher break; 766e689cf4aSJeff Kirsher case 1: 767e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_1_CTRL_CFG; 768e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_1_TEST_CFG; 769e689cf4aSJeff Kirsher break; 770e689cf4aSJeff Kirsher 771e689cf4aSJeff Kirsher default: 772e689cf4aSJeff Kirsher return -EINVAL; 773e689cf4aSJeff Kirsher } 774e689cf4aSJeff Kirsher ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 775e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_1 | 776e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_2 | 777e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_3 | 778e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 779e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 780e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 781e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 782e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 783e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 784e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 785e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 786e689cf4aSJeff Kirsher test_cfg_val = 0; 787e689cf4aSJeff Kirsher 788e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 789e689cf4aSJeff Kirsher test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 790e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_0_SHIFT) | 791e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 792e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_1_SHIFT) | 793e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 794e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_2_SHIFT) | 795e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 796e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_3_SHIFT)); 797e689cf4aSJeff Kirsher } 798e689cf4aSJeff Kirsher 799e689cf4aSJeff Kirsher nw64(ctrl_reg, ctrl_val); 800e689cf4aSJeff Kirsher nw64(test_cfg_reg, test_cfg_val); 801e689cf4aSJeff Kirsher 802e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 803e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 804e689cf4aSJeff Kirsher u32 rxtx_ctrl, glue0; 805e689cf4aSJeff Kirsher 806e689cf4aSJeff Kirsher err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 807e689cf4aSJeff Kirsher if (err) 808e689cf4aSJeff Kirsher return err; 809e689cf4aSJeff Kirsher err = esr_read_glue0(np, i, &glue0); 810e689cf4aSJeff Kirsher if (err) 811e689cf4aSJeff Kirsher return err; 812e689cf4aSJeff Kirsher 813e689cf4aSJeff Kirsher rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 814e689cf4aSJeff Kirsher rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 815e689cf4aSJeff Kirsher (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 816e689cf4aSJeff Kirsher 817e689cf4aSJeff Kirsher glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 818e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_THCNT | 819e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME); 820e689cf4aSJeff Kirsher glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 821e689cf4aSJeff Kirsher (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 822e689cf4aSJeff Kirsher (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 823e689cf4aSJeff Kirsher (BLTIME_300_CYCLES << 824e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME_SHIFT)); 825e689cf4aSJeff Kirsher 826e689cf4aSJeff Kirsher err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 827e689cf4aSJeff Kirsher if (err) 828e689cf4aSJeff Kirsher return err; 829e689cf4aSJeff Kirsher err = esr_write_glue0(np, i, glue0); 830e689cf4aSJeff Kirsher if (err) 831e689cf4aSJeff Kirsher return err; 832e689cf4aSJeff Kirsher } 833e689cf4aSJeff Kirsher 834e689cf4aSJeff Kirsher err = esr_reset(np); 835e689cf4aSJeff Kirsher if (err) 836e689cf4aSJeff Kirsher return err; 837e689cf4aSJeff Kirsher 838e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 839e689cf4aSJeff Kirsher switch (np->port) { 840e689cf4aSJeff Kirsher case 0: 841e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P0_BITS; 842e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | 843e689cf4aSJeff Kirsher ESR_INT_DET0_P0 | 844e689cf4aSJeff Kirsher ESR_INT_XSRDY_P0 | 845e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH3 | 846e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH2 | 847e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH1 | 848e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH0); 849e689cf4aSJeff Kirsher break; 850e689cf4aSJeff Kirsher 851e689cf4aSJeff Kirsher case 1: 852e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P1_BITS; 853e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | 854e689cf4aSJeff Kirsher ESR_INT_DET0_P1 | 855e689cf4aSJeff Kirsher ESR_INT_XSRDY_P1 | 856e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH3 | 857e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH2 | 858e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH1 | 859e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH0); 860e689cf4aSJeff Kirsher break; 861e689cf4aSJeff Kirsher 862e689cf4aSJeff Kirsher default: 863e689cf4aSJeff Kirsher return -EINVAL; 864e689cf4aSJeff Kirsher } 865e689cf4aSJeff Kirsher 866e689cf4aSJeff Kirsher if ((sig & mask) != val) { 867e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 868e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 869e689cf4aSJeff Kirsher return 0; 870e689cf4aSJeff Kirsher } 871e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 872e689cf4aSJeff Kirsher np->port, (int)(sig & mask), (int)val); 873e689cf4aSJeff Kirsher return -ENODEV; 874e689cf4aSJeff Kirsher } 875e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY) 876e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_HOTPLUG_PHY_PRESENT; 877e689cf4aSJeff Kirsher return 0; 878e689cf4aSJeff Kirsher } 879e689cf4aSJeff Kirsher 880e689cf4aSJeff Kirsher static int serdes_init_1g(struct niu *np) 881e689cf4aSJeff Kirsher { 882e689cf4aSJeff Kirsher u64 val; 883e689cf4aSJeff Kirsher 884e689cf4aSJeff Kirsher val = nr64(ENET_SERDES_1_PLL_CFG); 885e689cf4aSJeff Kirsher val &= ~ENET_SERDES_PLL_FBDIV2; 886e689cf4aSJeff Kirsher switch (np->port) { 887e689cf4aSJeff Kirsher case 0: 888e689cf4aSJeff Kirsher val |= ENET_SERDES_PLL_HRATE0; 889e689cf4aSJeff Kirsher break; 890e689cf4aSJeff Kirsher case 1: 891e689cf4aSJeff Kirsher val |= ENET_SERDES_PLL_HRATE1; 892e689cf4aSJeff Kirsher break; 893e689cf4aSJeff Kirsher case 2: 894e689cf4aSJeff Kirsher val |= ENET_SERDES_PLL_HRATE2; 895e689cf4aSJeff Kirsher break; 896e689cf4aSJeff Kirsher case 3: 897e689cf4aSJeff Kirsher val |= ENET_SERDES_PLL_HRATE3; 898e689cf4aSJeff Kirsher break; 899e689cf4aSJeff Kirsher default: 900e689cf4aSJeff Kirsher return -EINVAL; 901e689cf4aSJeff Kirsher } 902e689cf4aSJeff Kirsher nw64(ENET_SERDES_1_PLL_CFG, val); 903e689cf4aSJeff Kirsher 904e689cf4aSJeff Kirsher return 0; 905e689cf4aSJeff Kirsher } 906e689cf4aSJeff Kirsher 907e689cf4aSJeff Kirsher static int serdes_init_1g_serdes(struct niu *np) 908e689cf4aSJeff Kirsher { 909e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 910e689cf4aSJeff Kirsher unsigned long ctrl_reg, test_cfg_reg, pll_cfg, i; 911e689cf4aSJeff Kirsher u64 ctrl_val, test_cfg_val, sig, mask, val; 912e689cf4aSJeff Kirsher int err; 913e689cf4aSJeff Kirsher u64 reset_val, val_rd; 914e689cf4aSJeff Kirsher 915e689cf4aSJeff Kirsher val = ENET_SERDES_PLL_HRATE0 | ENET_SERDES_PLL_HRATE1 | 916e689cf4aSJeff Kirsher ENET_SERDES_PLL_HRATE2 | ENET_SERDES_PLL_HRATE3 | 917e689cf4aSJeff Kirsher ENET_SERDES_PLL_FBDIV0; 918e689cf4aSJeff Kirsher switch (np->port) { 919e689cf4aSJeff Kirsher case 0: 920e689cf4aSJeff Kirsher reset_val = ENET_SERDES_RESET_0; 921e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_0_CTRL_CFG; 922e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_0_TEST_CFG; 923e689cf4aSJeff Kirsher pll_cfg = ENET_SERDES_0_PLL_CFG; 924e689cf4aSJeff Kirsher break; 925e689cf4aSJeff Kirsher case 1: 926e689cf4aSJeff Kirsher reset_val = ENET_SERDES_RESET_1; 927e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_1_CTRL_CFG; 928e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_1_TEST_CFG; 929e689cf4aSJeff Kirsher pll_cfg = ENET_SERDES_1_PLL_CFG; 930e689cf4aSJeff Kirsher break; 931e689cf4aSJeff Kirsher 932e689cf4aSJeff Kirsher default: 933e689cf4aSJeff Kirsher return -EINVAL; 934e689cf4aSJeff Kirsher } 935e689cf4aSJeff Kirsher ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 936e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_1 | 937e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_2 | 938e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_3 | 939e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 940e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 941e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 942e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 943e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 944e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 945e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 946e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 947e689cf4aSJeff Kirsher test_cfg_val = 0; 948e689cf4aSJeff Kirsher 949e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 950e689cf4aSJeff Kirsher test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 951e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_0_SHIFT) | 952e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 953e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_1_SHIFT) | 954e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 955e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_2_SHIFT) | 956e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 957e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_3_SHIFT)); 958e689cf4aSJeff Kirsher } 959e689cf4aSJeff Kirsher 960e689cf4aSJeff Kirsher nw64(ENET_SERDES_RESET, reset_val); 961e689cf4aSJeff Kirsher mdelay(20); 962e689cf4aSJeff Kirsher val_rd = nr64(ENET_SERDES_RESET); 963e689cf4aSJeff Kirsher val_rd &= ~reset_val; 964e689cf4aSJeff Kirsher nw64(pll_cfg, val); 965e689cf4aSJeff Kirsher nw64(ctrl_reg, ctrl_val); 966e689cf4aSJeff Kirsher nw64(test_cfg_reg, test_cfg_val); 967e689cf4aSJeff Kirsher nw64(ENET_SERDES_RESET, val_rd); 968e689cf4aSJeff Kirsher mdelay(2000); 969e689cf4aSJeff Kirsher 970e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 971e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 972e689cf4aSJeff Kirsher u32 rxtx_ctrl, glue0; 973e689cf4aSJeff Kirsher 974e689cf4aSJeff Kirsher err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 975e689cf4aSJeff Kirsher if (err) 976e689cf4aSJeff Kirsher return err; 977e689cf4aSJeff Kirsher err = esr_read_glue0(np, i, &glue0); 978e689cf4aSJeff Kirsher if (err) 979e689cf4aSJeff Kirsher return err; 980e689cf4aSJeff Kirsher 981e689cf4aSJeff Kirsher rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 982e689cf4aSJeff Kirsher rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 983e689cf4aSJeff Kirsher (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 984e689cf4aSJeff Kirsher 985e689cf4aSJeff Kirsher glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 986e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_THCNT | 987e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME); 988e689cf4aSJeff Kirsher glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 989e689cf4aSJeff Kirsher (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 990e689cf4aSJeff Kirsher (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 991e689cf4aSJeff Kirsher (BLTIME_300_CYCLES << 992e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME_SHIFT)); 993e689cf4aSJeff Kirsher 994e689cf4aSJeff Kirsher err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 995e689cf4aSJeff Kirsher if (err) 996e689cf4aSJeff Kirsher return err; 997e689cf4aSJeff Kirsher err = esr_write_glue0(np, i, glue0); 998e689cf4aSJeff Kirsher if (err) 999e689cf4aSJeff Kirsher return err; 1000e689cf4aSJeff Kirsher } 1001e689cf4aSJeff Kirsher 1002e689cf4aSJeff Kirsher 1003e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 1004e689cf4aSJeff Kirsher switch (np->port) { 1005e689cf4aSJeff Kirsher case 0: 1006e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | ESR_INT_DET0_P0); 1007e689cf4aSJeff Kirsher mask = val; 1008e689cf4aSJeff Kirsher break; 1009e689cf4aSJeff Kirsher 1010e689cf4aSJeff Kirsher case 1: 1011e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | ESR_INT_DET0_P1); 1012e689cf4aSJeff Kirsher mask = val; 1013e689cf4aSJeff Kirsher break; 1014e689cf4aSJeff Kirsher 1015e689cf4aSJeff Kirsher default: 1016e689cf4aSJeff Kirsher return -EINVAL; 1017e689cf4aSJeff Kirsher } 1018e689cf4aSJeff Kirsher 1019e689cf4aSJeff Kirsher if ((sig & mask) != val) { 1020e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 1021e689cf4aSJeff Kirsher np->port, (int)(sig & mask), (int)val); 1022e689cf4aSJeff Kirsher return -ENODEV; 1023e689cf4aSJeff Kirsher } 1024e689cf4aSJeff Kirsher 1025e689cf4aSJeff Kirsher return 0; 1026e689cf4aSJeff Kirsher } 1027e689cf4aSJeff Kirsher 1028e689cf4aSJeff Kirsher static int link_status_1g_serdes(struct niu *np, int *link_up_p) 1029e689cf4aSJeff Kirsher { 1030e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1031e689cf4aSJeff Kirsher int link_up; 1032e689cf4aSJeff Kirsher u64 val; 1033e689cf4aSJeff Kirsher u16 current_speed; 1034e689cf4aSJeff Kirsher unsigned long flags; 1035e689cf4aSJeff Kirsher u8 current_duplex; 1036e689cf4aSJeff Kirsher 1037e689cf4aSJeff Kirsher link_up = 0; 1038e689cf4aSJeff Kirsher current_speed = SPEED_INVALID; 1039e689cf4aSJeff Kirsher current_duplex = DUPLEX_INVALID; 1040e689cf4aSJeff Kirsher 1041e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1042e689cf4aSJeff Kirsher 1043e689cf4aSJeff Kirsher val = nr64_pcs(PCS_MII_STAT); 1044e689cf4aSJeff Kirsher 1045e689cf4aSJeff Kirsher if (val & PCS_MII_STAT_LINK_STATUS) { 1046e689cf4aSJeff Kirsher link_up = 1; 1047e689cf4aSJeff Kirsher current_speed = SPEED_1000; 1048e689cf4aSJeff Kirsher current_duplex = DUPLEX_FULL; 1049e689cf4aSJeff Kirsher } 1050e689cf4aSJeff Kirsher 1051e689cf4aSJeff Kirsher lp->active_speed = current_speed; 1052e689cf4aSJeff Kirsher lp->active_duplex = current_duplex; 1053e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1054e689cf4aSJeff Kirsher 1055e689cf4aSJeff Kirsher *link_up_p = link_up; 1056e689cf4aSJeff Kirsher return 0; 1057e689cf4aSJeff Kirsher } 1058e689cf4aSJeff Kirsher 1059e689cf4aSJeff Kirsher static int link_status_10g_serdes(struct niu *np, int *link_up_p) 1060e689cf4aSJeff Kirsher { 1061e689cf4aSJeff Kirsher unsigned long flags; 1062e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1063e689cf4aSJeff Kirsher int link_up = 0; 1064e689cf4aSJeff Kirsher int link_ok = 1; 1065e689cf4aSJeff Kirsher u64 val, val2; 1066e689cf4aSJeff Kirsher u16 current_speed; 1067e689cf4aSJeff Kirsher u8 current_duplex; 1068e689cf4aSJeff Kirsher 1069e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_10G)) 1070e689cf4aSJeff Kirsher return link_status_1g_serdes(np, link_up_p); 1071e689cf4aSJeff Kirsher 1072e689cf4aSJeff Kirsher current_speed = SPEED_INVALID; 1073e689cf4aSJeff Kirsher current_duplex = DUPLEX_INVALID; 1074e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1075e689cf4aSJeff Kirsher 1076e689cf4aSJeff Kirsher val = nr64_xpcs(XPCS_STATUS(0)); 1077e689cf4aSJeff Kirsher val2 = nr64_mac(XMAC_INTER2); 1078e689cf4aSJeff Kirsher if (val2 & 0x01000000) 1079e689cf4aSJeff Kirsher link_ok = 0; 1080e689cf4aSJeff Kirsher 1081e689cf4aSJeff Kirsher if ((val & 0x1000ULL) && link_ok) { 1082e689cf4aSJeff Kirsher link_up = 1; 1083e689cf4aSJeff Kirsher current_speed = SPEED_10000; 1084e689cf4aSJeff Kirsher current_duplex = DUPLEX_FULL; 1085e689cf4aSJeff Kirsher } 1086e689cf4aSJeff Kirsher lp->active_speed = current_speed; 1087e689cf4aSJeff Kirsher lp->active_duplex = current_duplex; 1088e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1089e689cf4aSJeff Kirsher *link_up_p = link_up; 1090e689cf4aSJeff Kirsher return 0; 1091e689cf4aSJeff Kirsher } 1092e689cf4aSJeff Kirsher 1093e689cf4aSJeff Kirsher static int link_status_mii(struct niu *np, int *link_up_p) 1094e689cf4aSJeff Kirsher { 1095e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1096e689cf4aSJeff Kirsher int err; 1097e689cf4aSJeff Kirsher int bmsr, advert, ctrl1000, stat1000, lpa, bmcr, estatus; 1098e689cf4aSJeff Kirsher int supported, advertising, active_speed, active_duplex; 1099e689cf4aSJeff Kirsher 1100e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMCR); 1101e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1102e689cf4aSJeff Kirsher return err; 1103e689cf4aSJeff Kirsher bmcr = err; 1104e689cf4aSJeff Kirsher 1105e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1106e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1107e689cf4aSJeff Kirsher return err; 1108e689cf4aSJeff Kirsher bmsr = err; 1109e689cf4aSJeff Kirsher 1110e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_ADVERTISE); 1111e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1112e689cf4aSJeff Kirsher return err; 1113e689cf4aSJeff Kirsher advert = err; 1114e689cf4aSJeff Kirsher 1115e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_LPA); 1116e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1117e689cf4aSJeff Kirsher return err; 1118e689cf4aSJeff Kirsher lpa = err; 1119e689cf4aSJeff Kirsher 1120e689cf4aSJeff Kirsher if (likely(bmsr & BMSR_ESTATEN)) { 1121e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_ESTATUS); 1122e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1123e689cf4aSJeff Kirsher return err; 1124e689cf4aSJeff Kirsher estatus = err; 1125e689cf4aSJeff Kirsher 1126e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_CTRL1000); 1127e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1128e689cf4aSJeff Kirsher return err; 1129e689cf4aSJeff Kirsher ctrl1000 = err; 1130e689cf4aSJeff Kirsher 1131e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_STAT1000); 1132e689cf4aSJeff Kirsher if (unlikely(err < 0)) 1133e689cf4aSJeff Kirsher return err; 1134e689cf4aSJeff Kirsher stat1000 = err; 1135e689cf4aSJeff Kirsher } else 1136e689cf4aSJeff Kirsher estatus = ctrl1000 = stat1000 = 0; 1137e689cf4aSJeff Kirsher 1138e689cf4aSJeff Kirsher supported = 0; 1139e689cf4aSJeff Kirsher if (bmsr & BMSR_ANEGCAPABLE) 1140e689cf4aSJeff Kirsher supported |= SUPPORTED_Autoneg; 1141e689cf4aSJeff Kirsher if (bmsr & BMSR_10HALF) 1142e689cf4aSJeff Kirsher supported |= SUPPORTED_10baseT_Half; 1143e689cf4aSJeff Kirsher if (bmsr & BMSR_10FULL) 1144e689cf4aSJeff Kirsher supported |= SUPPORTED_10baseT_Full; 1145e689cf4aSJeff Kirsher if (bmsr & BMSR_100HALF) 1146e689cf4aSJeff Kirsher supported |= SUPPORTED_100baseT_Half; 1147e689cf4aSJeff Kirsher if (bmsr & BMSR_100FULL) 1148e689cf4aSJeff Kirsher supported |= SUPPORTED_100baseT_Full; 1149e689cf4aSJeff Kirsher if (estatus & ESTATUS_1000_THALF) 1150e689cf4aSJeff Kirsher supported |= SUPPORTED_1000baseT_Half; 1151e689cf4aSJeff Kirsher if (estatus & ESTATUS_1000_TFULL) 1152e689cf4aSJeff Kirsher supported |= SUPPORTED_1000baseT_Full; 1153e689cf4aSJeff Kirsher lp->supported = supported; 1154e689cf4aSJeff Kirsher 115537f07023SMatt Carlson advertising = mii_adv_to_ethtool_adv_t(advert); 115637f07023SMatt Carlson advertising |= mii_ctrl1000_to_ethtool_adv_t(ctrl1000); 1157e689cf4aSJeff Kirsher 1158e689cf4aSJeff Kirsher if (bmcr & BMCR_ANENABLE) { 1159e689cf4aSJeff Kirsher int neg, neg1000; 1160e689cf4aSJeff Kirsher 1161e689cf4aSJeff Kirsher lp->active_autoneg = 1; 1162e689cf4aSJeff Kirsher advertising |= ADVERTISED_Autoneg; 1163e689cf4aSJeff Kirsher 1164e689cf4aSJeff Kirsher neg = advert & lpa; 1165e689cf4aSJeff Kirsher neg1000 = (ctrl1000 << 2) & stat1000; 1166e689cf4aSJeff Kirsher 1167e689cf4aSJeff Kirsher if (neg1000 & (LPA_1000FULL | LPA_1000HALF)) 1168e689cf4aSJeff Kirsher active_speed = SPEED_1000; 1169e689cf4aSJeff Kirsher else if (neg & LPA_100) 1170e689cf4aSJeff Kirsher active_speed = SPEED_100; 1171e689cf4aSJeff Kirsher else if (neg & (LPA_10HALF | LPA_10FULL)) 1172e689cf4aSJeff Kirsher active_speed = SPEED_10; 1173e689cf4aSJeff Kirsher else 1174e689cf4aSJeff Kirsher active_speed = SPEED_INVALID; 1175e689cf4aSJeff Kirsher 1176e689cf4aSJeff Kirsher if ((neg1000 & LPA_1000FULL) || (neg & LPA_DUPLEX)) 1177e689cf4aSJeff Kirsher active_duplex = DUPLEX_FULL; 1178e689cf4aSJeff Kirsher else if (active_speed != SPEED_INVALID) 1179e689cf4aSJeff Kirsher active_duplex = DUPLEX_HALF; 1180e689cf4aSJeff Kirsher else 1181e689cf4aSJeff Kirsher active_duplex = DUPLEX_INVALID; 1182e689cf4aSJeff Kirsher } else { 1183e689cf4aSJeff Kirsher lp->active_autoneg = 0; 1184e689cf4aSJeff Kirsher 1185e689cf4aSJeff Kirsher if ((bmcr & BMCR_SPEED1000) && !(bmcr & BMCR_SPEED100)) 1186e689cf4aSJeff Kirsher active_speed = SPEED_1000; 1187e689cf4aSJeff Kirsher else if (bmcr & BMCR_SPEED100) 1188e689cf4aSJeff Kirsher active_speed = SPEED_100; 1189e689cf4aSJeff Kirsher else 1190e689cf4aSJeff Kirsher active_speed = SPEED_10; 1191e689cf4aSJeff Kirsher 1192e689cf4aSJeff Kirsher if (bmcr & BMCR_FULLDPLX) 1193e689cf4aSJeff Kirsher active_duplex = DUPLEX_FULL; 1194e689cf4aSJeff Kirsher else 1195e689cf4aSJeff Kirsher active_duplex = DUPLEX_HALF; 1196e689cf4aSJeff Kirsher } 1197e689cf4aSJeff Kirsher 1198e689cf4aSJeff Kirsher lp->active_advertising = advertising; 1199e689cf4aSJeff Kirsher lp->active_speed = active_speed; 1200e689cf4aSJeff Kirsher lp->active_duplex = active_duplex; 1201e689cf4aSJeff Kirsher *link_up_p = !!(bmsr & BMSR_LSTATUS); 1202e689cf4aSJeff Kirsher 1203e689cf4aSJeff Kirsher return 0; 1204e689cf4aSJeff Kirsher } 1205e689cf4aSJeff Kirsher 1206e689cf4aSJeff Kirsher static int link_status_1g_rgmii(struct niu *np, int *link_up_p) 1207e689cf4aSJeff Kirsher { 1208e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1209e689cf4aSJeff Kirsher u16 current_speed, bmsr; 1210e689cf4aSJeff Kirsher unsigned long flags; 1211e689cf4aSJeff Kirsher u8 current_duplex; 1212e689cf4aSJeff Kirsher int err, link_up; 1213e689cf4aSJeff Kirsher 1214e689cf4aSJeff Kirsher link_up = 0; 1215e689cf4aSJeff Kirsher current_speed = SPEED_INVALID; 1216e689cf4aSJeff Kirsher current_duplex = DUPLEX_INVALID; 1217e689cf4aSJeff Kirsher 1218e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1219e689cf4aSJeff Kirsher 1220e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1221e689cf4aSJeff Kirsher if (err < 0) 1222e689cf4aSJeff Kirsher goto out; 1223e689cf4aSJeff Kirsher 1224e689cf4aSJeff Kirsher bmsr = err; 1225e689cf4aSJeff Kirsher if (bmsr & BMSR_LSTATUS) { 1226e689cf4aSJeff Kirsher link_up = 1; 1227e689cf4aSJeff Kirsher current_speed = SPEED_1000; 1228e689cf4aSJeff Kirsher current_duplex = DUPLEX_FULL; 1229e689cf4aSJeff Kirsher } 1230e689cf4aSJeff Kirsher lp->active_speed = current_speed; 1231e689cf4aSJeff Kirsher lp->active_duplex = current_duplex; 1232e689cf4aSJeff Kirsher err = 0; 1233e689cf4aSJeff Kirsher 1234e689cf4aSJeff Kirsher out: 1235e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1236e689cf4aSJeff Kirsher 1237e689cf4aSJeff Kirsher *link_up_p = link_up; 1238e689cf4aSJeff Kirsher return err; 1239e689cf4aSJeff Kirsher } 1240e689cf4aSJeff Kirsher 1241e689cf4aSJeff Kirsher static int link_status_1g(struct niu *np, int *link_up_p) 1242e689cf4aSJeff Kirsher { 1243e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1244e689cf4aSJeff Kirsher unsigned long flags; 1245e689cf4aSJeff Kirsher int err; 1246e689cf4aSJeff Kirsher 1247e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1248e689cf4aSJeff Kirsher 1249e689cf4aSJeff Kirsher err = link_status_mii(np, link_up_p); 1250e689cf4aSJeff Kirsher lp->supported |= SUPPORTED_TP; 1251e689cf4aSJeff Kirsher lp->active_advertising |= ADVERTISED_TP; 1252e689cf4aSJeff Kirsher 1253e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1254e689cf4aSJeff Kirsher return err; 1255e689cf4aSJeff Kirsher } 1256e689cf4aSJeff Kirsher 1257e689cf4aSJeff Kirsher static int bcm8704_reset(struct niu *np) 1258e689cf4aSJeff Kirsher { 1259e689cf4aSJeff Kirsher int err, limit; 1260e689cf4aSJeff Kirsher 1261e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, 1262e689cf4aSJeff Kirsher BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 1263e689cf4aSJeff Kirsher if (err < 0 || err == 0xffff) 1264e689cf4aSJeff Kirsher return err; 1265e689cf4aSJeff Kirsher err |= BMCR_RESET; 1266e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 1267e689cf4aSJeff Kirsher MII_BMCR, err); 1268e689cf4aSJeff Kirsher if (err) 1269e689cf4aSJeff Kirsher return err; 1270e689cf4aSJeff Kirsher 1271e689cf4aSJeff Kirsher limit = 1000; 1272e689cf4aSJeff Kirsher while (--limit >= 0) { 1273e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, 1274e689cf4aSJeff Kirsher BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 1275e689cf4aSJeff Kirsher if (err < 0) 1276e689cf4aSJeff Kirsher return err; 1277e689cf4aSJeff Kirsher if (!(err & BMCR_RESET)) 1278e689cf4aSJeff Kirsher break; 1279e689cf4aSJeff Kirsher } 1280e689cf4aSJeff Kirsher if (limit < 0) { 1281e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u PHY will not reset (bmcr=%04x)\n", 1282e689cf4aSJeff Kirsher np->port, (err & 0xffff)); 1283e689cf4aSJeff Kirsher return -ENODEV; 1284e689cf4aSJeff Kirsher } 1285e689cf4aSJeff Kirsher return 0; 1286e689cf4aSJeff Kirsher } 1287e689cf4aSJeff Kirsher 1288e689cf4aSJeff Kirsher /* When written, certain PHY registers need to be read back twice 1289e689cf4aSJeff Kirsher * in order for the bits to settle properly. 1290e689cf4aSJeff Kirsher */ 1291e689cf4aSJeff Kirsher static int bcm8704_user_dev3_readback(struct niu *np, int reg) 1292e689cf4aSJeff Kirsher { 1293e689cf4aSJeff Kirsher int err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, reg); 1294e689cf4aSJeff Kirsher if (err < 0) 1295e689cf4aSJeff Kirsher return err; 1296e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, reg); 1297e689cf4aSJeff Kirsher if (err < 0) 1298e689cf4aSJeff Kirsher return err; 1299e689cf4aSJeff Kirsher return 0; 1300e689cf4aSJeff Kirsher } 1301e689cf4aSJeff Kirsher 1302e689cf4aSJeff Kirsher static int bcm8706_init_user_dev3(struct niu *np) 1303e689cf4aSJeff Kirsher { 1304e689cf4aSJeff Kirsher int err; 1305e689cf4aSJeff Kirsher 1306e689cf4aSJeff Kirsher 1307e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1308e689cf4aSJeff Kirsher BCM8704_USER_OPT_DIGITAL_CTRL); 1309e689cf4aSJeff Kirsher if (err < 0) 1310e689cf4aSJeff Kirsher return err; 1311e689cf4aSJeff Kirsher err &= ~USER_ODIG_CTRL_GPIOS; 1312e689cf4aSJeff Kirsher err |= (0x3 << USER_ODIG_CTRL_GPIOS_SHIFT); 1313e689cf4aSJeff Kirsher err |= USER_ODIG_CTRL_RESV2; 1314e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1315e689cf4aSJeff Kirsher BCM8704_USER_OPT_DIGITAL_CTRL, err); 1316e689cf4aSJeff Kirsher if (err) 1317e689cf4aSJeff Kirsher return err; 1318e689cf4aSJeff Kirsher 1319e689cf4aSJeff Kirsher mdelay(1000); 1320e689cf4aSJeff Kirsher 1321e689cf4aSJeff Kirsher return 0; 1322e689cf4aSJeff Kirsher } 1323e689cf4aSJeff Kirsher 1324e689cf4aSJeff Kirsher static int bcm8704_init_user_dev3(struct niu *np) 1325e689cf4aSJeff Kirsher { 1326e689cf4aSJeff Kirsher int err; 1327e689cf4aSJeff Kirsher 1328e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, 1329e689cf4aSJeff Kirsher BCM8704_USER_DEV3_ADDR, BCM8704_USER_CONTROL, 1330e689cf4aSJeff Kirsher (USER_CONTROL_OPTXRST_LVL | 1331e689cf4aSJeff Kirsher USER_CONTROL_OPBIASFLT_LVL | 1332e689cf4aSJeff Kirsher USER_CONTROL_OBTMPFLT_LVL | 1333e689cf4aSJeff Kirsher USER_CONTROL_OPPRFLT_LVL | 1334e689cf4aSJeff Kirsher USER_CONTROL_OPTXFLT_LVL | 1335e689cf4aSJeff Kirsher USER_CONTROL_OPRXLOS_LVL | 1336e689cf4aSJeff Kirsher USER_CONTROL_OPRXFLT_LVL | 1337e689cf4aSJeff Kirsher USER_CONTROL_OPTXON_LVL | 1338e689cf4aSJeff Kirsher (0x3f << USER_CONTROL_RES1_SHIFT))); 1339e689cf4aSJeff Kirsher if (err) 1340e689cf4aSJeff Kirsher return err; 1341e689cf4aSJeff Kirsher 1342e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, 1343e689cf4aSJeff Kirsher BCM8704_USER_DEV3_ADDR, BCM8704_USER_PMD_TX_CONTROL, 1344e689cf4aSJeff Kirsher (USER_PMD_TX_CTL_XFP_CLKEN | 1345e689cf4aSJeff Kirsher (1 << USER_PMD_TX_CTL_TX_DAC_TXD_SH) | 1346e689cf4aSJeff Kirsher (2 << USER_PMD_TX_CTL_TX_DAC_TXCK_SH) | 1347e689cf4aSJeff Kirsher USER_PMD_TX_CTL_TSCK_LPWREN)); 1348e689cf4aSJeff Kirsher if (err) 1349e689cf4aSJeff Kirsher return err; 1350e689cf4aSJeff Kirsher 1351e689cf4aSJeff Kirsher err = bcm8704_user_dev3_readback(np, BCM8704_USER_CONTROL); 1352e689cf4aSJeff Kirsher if (err) 1353e689cf4aSJeff Kirsher return err; 1354e689cf4aSJeff Kirsher err = bcm8704_user_dev3_readback(np, BCM8704_USER_PMD_TX_CONTROL); 1355e689cf4aSJeff Kirsher if (err) 1356e689cf4aSJeff Kirsher return err; 1357e689cf4aSJeff Kirsher 1358e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1359e689cf4aSJeff Kirsher BCM8704_USER_OPT_DIGITAL_CTRL); 1360e689cf4aSJeff Kirsher if (err < 0) 1361e689cf4aSJeff Kirsher return err; 1362e689cf4aSJeff Kirsher err &= ~USER_ODIG_CTRL_GPIOS; 1363e689cf4aSJeff Kirsher err |= (0x3 << USER_ODIG_CTRL_GPIOS_SHIFT); 1364e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1365e689cf4aSJeff Kirsher BCM8704_USER_OPT_DIGITAL_CTRL, err); 1366e689cf4aSJeff Kirsher if (err) 1367e689cf4aSJeff Kirsher return err; 1368e689cf4aSJeff Kirsher 1369e689cf4aSJeff Kirsher mdelay(1000); 1370e689cf4aSJeff Kirsher 1371e689cf4aSJeff Kirsher return 0; 1372e689cf4aSJeff Kirsher } 1373e689cf4aSJeff Kirsher 1374e689cf4aSJeff Kirsher static int mrvl88x2011_act_led(struct niu *np, int val) 1375e689cf4aSJeff Kirsher { 1376e689cf4aSJeff Kirsher int err; 1377e689cf4aSJeff Kirsher 1378e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1379e689cf4aSJeff Kirsher MRVL88X2011_LED_8_TO_11_CTL); 1380e689cf4aSJeff Kirsher if (err < 0) 1381e689cf4aSJeff Kirsher return err; 1382e689cf4aSJeff Kirsher 1383e689cf4aSJeff Kirsher err &= ~MRVL88X2011_LED(MRVL88X2011_LED_ACT,MRVL88X2011_LED_CTL_MASK); 1384e689cf4aSJeff Kirsher err |= MRVL88X2011_LED(MRVL88X2011_LED_ACT,val); 1385e689cf4aSJeff Kirsher 1386e689cf4aSJeff Kirsher return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1387e689cf4aSJeff Kirsher MRVL88X2011_LED_8_TO_11_CTL, err); 1388e689cf4aSJeff Kirsher } 1389e689cf4aSJeff Kirsher 1390e689cf4aSJeff Kirsher static int mrvl88x2011_led_blink_rate(struct niu *np, int rate) 1391e689cf4aSJeff Kirsher { 1392e689cf4aSJeff Kirsher int err; 1393e689cf4aSJeff Kirsher 1394e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1395e689cf4aSJeff Kirsher MRVL88X2011_LED_BLINK_CTL); 1396e689cf4aSJeff Kirsher if (err >= 0) { 1397e689cf4aSJeff Kirsher err &= ~MRVL88X2011_LED_BLKRATE_MASK; 1398e689cf4aSJeff Kirsher err |= (rate << 4); 1399e689cf4aSJeff Kirsher 1400e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1401e689cf4aSJeff Kirsher MRVL88X2011_LED_BLINK_CTL, err); 1402e689cf4aSJeff Kirsher } 1403e689cf4aSJeff Kirsher 1404e689cf4aSJeff Kirsher return err; 1405e689cf4aSJeff Kirsher } 1406e689cf4aSJeff Kirsher 1407e689cf4aSJeff Kirsher static int xcvr_init_10g_mrvl88x2011(struct niu *np) 1408e689cf4aSJeff Kirsher { 1409e689cf4aSJeff Kirsher int err; 1410e689cf4aSJeff Kirsher 1411e689cf4aSJeff Kirsher /* Set LED functions */ 1412e689cf4aSJeff Kirsher err = mrvl88x2011_led_blink_rate(np, MRVL88X2011_LED_BLKRATE_134MS); 1413e689cf4aSJeff Kirsher if (err) 1414e689cf4aSJeff Kirsher return err; 1415e689cf4aSJeff Kirsher 1416e689cf4aSJeff Kirsher /* led activity */ 1417e689cf4aSJeff Kirsher err = mrvl88x2011_act_led(np, MRVL88X2011_LED_CTL_OFF); 1418e689cf4aSJeff Kirsher if (err) 1419e689cf4aSJeff Kirsher return err; 1420e689cf4aSJeff Kirsher 1421e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1422e689cf4aSJeff Kirsher MRVL88X2011_GENERAL_CTL); 1423e689cf4aSJeff Kirsher if (err < 0) 1424e689cf4aSJeff Kirsher return err; 1425e689cf4aSJeff Kirsher 1426e689cf4aSJeff Kirsher err |= MRVL88X2011_ENA_XFPREFCLK; 1427e689cf4aSJeff Kirsher 1428e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1429e689cf4aSJeff Kirsher MRVL88X2011_GENERAL_CTL, err); 1430e689cf4aSJeff Kirsher if (err < 0) 1431e689cf4aSJeff Kirsher return err; 1432e689cf4aSJeff Kirsher 1433e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1434e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_CTL_1); 1435e689cf4aSJeff Kirsher if (err < 0) 1436e689cf4aSJeff Kirsher return err; 1437e689cf4aSJeff Kirsher 1438e689cf4aSJeff Kirsher if (np->link_config.loopback_mode == LOOPBACK_MAC) 1439e689cf4aSJeff Kirsher err |= MRVL88X2011_LOOPBACK; 1440e689cf4aSJeff Kirsher else 1441e689cf4aSJeff Kirsher err &= ~MRVL88X2011_LOOPBACK; 1442e689cf4aSJeff Kirsher 1443e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1444e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_CTL_1, err); 1445e689cf4aSJeff Kirsher if (err < 0) 1446e689cf4aSJeff Kirsher return err; 1447e689cf4aSJeff Kirsher 1448e689cf4aSJeff Kirsher /* Enable PMD */ 1449e689cf4aSJeff Kirsher return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1450e689cf4aSJeff Kirsher MRVL88X2011_10G_PMD_TX_DIS, MRVL88X2011_ENA_PMDTX); 1451e689cf4aSJeff Kirsher } 1452e689cf4aSJeff Kirsher 1453e689cf4aSJeff Kirsher 1454e689cf4aSJeff Kirsher static int xcvr_diag_bcm870x(struct niu *np) 1455e689cf4aSJeff Kirsher { 1456e689cf4aSJeff Kirsher u16 analog_stat0, tx_alarm_status; 1457e689cf4aSJeff Kirsher int err = 0; 1458e689cf4aSJeff Kirsher 1459e689cf4aSJeff Kirsher #if 1 1460e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 1461e689cf4aSJeff Kirsher MII_STAT1000); 1462e689cf4aSJeff Kirsher if (err < 0) 1463e689cf4aSJeff Kirsher return err; 1464e689cf4aSJeff Kirsher pr_info("Port %u PMA_PMD(MII_STAT1000) [%04x]\n", np->port, err); 1465e689cf4aSJeff Kirsher 1466e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 0x20); 1467e689cf4aSJeff Kirsher if (err < 0) 1468e689cf4aSJeff Kirsher return err; 1469e689cf4aSJeff Kirsher pr_info("Port %u USER_DEV3(0x20) [%04x]\n", np->port, err); 1470e689cf4aSJeff Kirsher 1471e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 1472e689cf4aSJeff Kirsher MII_NWAYTEST); 1473e689cf4aSJeff Kirsher if (err < 0) 1474e689cf4aSJeff Kirsher return err; 1475e689cf4aSJeff Kirsher pr_info("Port %u PHYXS(MII_NWAYTEST) [%04x]\n", np->port, err); 1476e689cf4aSJeff Kirsher #endif 1477e689cf4aSJeff Kirsher 1478e689cf4aSJeff Kirsher /* XXX dig this out it might not be so useful XXX */ 1479e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1480e689cf4aSJeff Kirsher BCM8704_USER_ANALOG_STATUS0); 1481e689cf4aSJeff Kirsher if (err < 0) 1482e689cf4aSJeff Kirsher return err; 1483e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1484e689cf4aSJeff Kirsher BCM8704_USER_ANALOG_STATUS0); 1485e689cf4aSJeff Kirsher if (err < 0) 1486e689cf4aSJeff Kirsher return err; 1487e689cf4aSJeff Kirsher analog_stat0 = err; 1488e689cf4aSJeff Kirsher 1489e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1490e689cf4aSJeff Kirsher BCM8704_USER_TX_ALARM_STATUS); 1491e689cf4aSJeff Kirsher if (err < 0) 1492e689cf4aSJeff Kirsher return err; 1493e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1494e689cf4aSJeff Kirsher BCM8704_USER_TX_ALARM_STATUS); 1495e689cf4aSJeff Kirsher if (err < 0) 1496e689cf4aSJeff Kirsher return err; 1497e689cf4aSJeff Kirsher tx_alarm_status = err; 1498e689cf4aSJeff Kirsher 1499e689cf4aSJeff Kirsher if (analog_stat0 != 0x03fc) { 1500e689cf4aSJeff Kirsher if ((analog_stat0 == 0x43bc) && (tx_alarm_status != 0)) { 1501e689cf4aSJeff Kirsher pr_info("Port %u cable not connected or bad cable\n", 1502e689cf4aSJeff Kirsher np->port); 1503e689cf4aSJeff Kirsher } else if (analog_stat0 == 0x639c) { 1504e689cf4aSJeff Kirsher pr_info("Port %u optical module is bad or missing\n", 1505e689cf4aSJeff Kirsher np->port); 1506e689cf4aSJeff Kirsher } 1507e689cf4aSJeff Kirsher } 1508e689cf4aSJeff Kirsher 1509e689cf4aSJeff Kirsher return 0; 1510e689cf4aSJeff Kirsher } 1511e689cf4aSJeff Kirsher 1512e689cf4aSJeff Kirsher static int xcvr_10g_set_lb_bcm870x(struct niu *np) 1513e689cf4aSJeff Kirsher { 1514e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1515e689cf4aSJeff Kirsher int err; 1516e689cf4aSJeff Kirsher 1517e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 1518e689cf4aSJeff Kirsher MII_BMCR); 1519e689cf4aSJeff Kirsher if (err < 0) 1520e689cf4aSJeff Kirsher return err; 1521e689cf4aSJeff Kirsher 1522e689cf4aSJeff Kirsher err &= ~BMCR_LOOPBACK; 1523e689cf4aSJeff Kirsher 1524e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_MAC) 1525e689cf4aSJeff Kirsher err |= BMCR_LOOPBACK; 1526e689cf4aSJeff Kirsher 1527e689cf4aSJeff Kirsher err = mdio_write(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 1528e689cf4aSJeff Kirsher MII_BMCR, err); 1529e689cf4aSJeff Kirsher if (err) 1530e689cf4aSJeff Kirsher return err; 1531e689cf4aSJeff Kirsher 1532e689cf4aSJeff Kirsher return 0; 1533e689cf4aSJeff Kirsher } 1534e689cf4aSJeff Kirsher 1535e689cf4aSJeff Kirsher static int xcvr_init_10g_bcm8706(struct niu *np) 1536e689cf4aSJeff Kirsher { 1537e689cf4aSJeff Kirsher int err = 0; 1538e689cf4aSJeff Kirsher u64 val; 1539e689cf4aSJeff Kirsher 1540e689cf4aSJeff Kirsher if ((np->flags & NIU_FLAGS_HOTPLUG_PHY) && 1541e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) == 0) 1542e689cf4aSJeff Kirsher return err; 1543e689cf4aSJeff Kirsher 1544e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 1545e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LED_POLARITY; 1546e689cf4aSJeff Kirsher val |= XMAC_CONFIG_FORCE_LED_ON; 1547e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 1548e689cf4aSJeff Kirsher 1549e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 1550e689cf4aSJeff Kirsher val |= MIF_CONFIG_INDIRECT_MODE; 1551e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 1552e689cf4aSJeff Kirsher 1553e689cf4aSJeff Kirsher err = bcm8704_reset(np); 1554e689cf4aSJeff Kirsher if (err) 1555e689cf4aSJeff Kirsher return err; 1556e689cf4aSJeff Kirsher 1557e689cf4aSJeff Kirsher err = xcvr_10g_set_lb_bcm870x(np); 1558e689cf4aSJeff Kirsher if (err) 1559e689cf4aSJeff Kirsher return err; 1560e689cf4aSJeff Kirsher 1561e689cf4aSJeff Kirsher err = bcm8706_init_user_dev3(np); 1562e689cf4aSJeff Kirsher if (err) 1563e689cf4aSJeff Kirsher return err; 1564e689cf4aSJeff Kirsher 1565e689cf4aSJeff Kirsher err = xcvr_diag_bcm870x(np); 1566e689cf4aSJeff Kirsher if (err) 1567e689cf4aSJeff Kirsher return err; 1568e689cf4aSJeff Kirsher 1569e689cf4aSJeff Kirsher return 0; 1570e689cf4aSJeff Kirsher } 1571e689cf4aSJeff Kirsher 1572e689cf4aSJeff Kirsher static int xcvr_init_10g_bcm8704(struct niu *np) 1573e689cf4aSJeff Kirsher { 1574e689cf4aSJeff Kirsher int err; 1575e689cf4aSJeff Kirsher 1576e689cf4aSJeff Kirsher err = bcm8704_reset(np); 1577e689cf4aSJeff Kirsher if (err) 1578e689cf4aSJeff Kirsher return err; 1579e689cf4aSJeff Kirsher 1580e689cf4aSJeff Kirsher err = bcm8704_init_user_dev3(np); 1581e689cf4aSJeff Kirsher if (err) 1582e689cf4aSJeff Kirsher return err; 1583e689cf4aSJeff Kirsher 1584e689cf4aSJeff Kirsher err = xcvr_10g_set_lb_bcm870x(np); 1585e689cf4aSJeff Kirsher if (err) 1586e689cf4aSJeff Kirsher return err; 1587e689cf4aSJeff Kirsher 1588e689cf4aSJeff Kirsher err = xcvr_diag_bcm870x(np); 1589e689cf4aSJeff Kirsher if (err) 1590e689cf4aSJeff Kirsher return err; 1591e689cf4aSJeff Kirsher 1592e689cf4aSJeff Kirsher return 0; 1593e689cf4aSJeff Kirsher } 1594e689cf4aSJeff Kirsher 1595e689cf4aSJeff Kirsher static int xcvr_init_10g(struct niu *np) 1596e689cf4aSJeff Kirsher { 1597e689cf4aSJeff Kirsher int phy_id, err; 1598e689cf4aSJeff Kirsher u64 val; 1599e689cf4aSJeff Kirsher 1600e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 1601e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LED_POLARITY; 1602e689cf4aSJeff Kirsher val |= XMAC_CONFIG_FORCE_LED_ON; 1603e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 1604e689cf4aSJeff Kirsher 1605e689cf4aSJeff Kirsher /* XXX shared resource, lock parent XXX */ 1606e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 1607e689cf4aSJeff Kirsher val |= MIF_CONFIG_INDIRECT_MODE; 1608e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 1609e689cf4aSJeff Kirsher 1610e689cf4aSJeff Kirsher phy_id = phy_decode(np->parent->port_phy, np->port); 1611e689cf4aSJeff Kirsher phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port]; 1612e689cf4aSJeff Kirsher 1613e689cf4aSJeff Kirsher /* handle different phy types */ 1614e689cf4aSJeff Kirsher switch (phy_id & NIU_PHY_ID_MASK) { 1615e689cf4aSJeff Kirsher case NIU_PHY_ID_MRVL88X2011: 1616e689cf4aSJeff Kirsher err = xcvr_init_10g_mrvl88x2011(np); 1617e689cf4aSJeff Kirsher break; 1618e689cf4aSJeff Kirsher 1619e689cf4aSJeff Kirsher default: /* bcom 8704 */ 1620e689cf4aSJeff Kirsher err = xcvr_init_10g_bcm8704(np); 1621e689cf4aSJeff Kirsher break; 1622e689cf4aSJeff Kirsher } 1623e689cf4aSJeff Kirsher 1624e689cf4aSJeff Kirsher return err; 1625e689cf4aSJeff Kirsher } 1626e689cf4aSJeff Kirsher 1627e689cf4aSJeff Kirsher static int mii_reset(struct niu *np) 1628e689cf4aSJeff Kirsher { 1629e689cf4aSJeff Kirsher int limit, err; 1630e689cf4aSJeff Kirsher 1631e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, BMCR_RESET); 1632e689cf4aSJeff Kirsher if (err) 1633e689cf4aSJeff Kirsher return err; 1634e689cf4aSJeff Kirsher 1635e689cf4aSJeff Kirsher limit = 1000; 1636e689cf4aSJeff Kirsher while (--limit >= 0) { 1637e689cf4aSJeff Kirsher udelay(500); 1638e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMCR); 1639e689cf4aSJeff Kirsher if (err < 0) 1640e689cf4aSJeff Kirsher return err; 1641e689cf4aSJeff Kirsher if (!(err & BMCR_RESET)) 1642e689cf4aSJeff Kirsher break; 1643e689cf4aSJeff Kirsher } 1644e689cf4aSJeff Kirsher if (limit < 0) { 1645e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u MII would not reset, bmcr[%04x]\n", 1646e689cf4aSJeff Kirsher np->port, err); 1647e689cf4aSJeff Kirsher return -ENODEV; 1648e689cf4aSJeff Kirsher } 1649e689cf4aSJeff Kirsher 1650e689cf4aSJeff Kirsher return 0; 1651e689cf4aSJeff Kirsher } 1652e689cf4aSJeff Kirsher 1653e689cf4aSJeff Kirsher static int xcvr_init_1g_rgmii(struct niu *np) 1654e689cf4aSJeff Kirsher { 1655e689cf4aSJeff Kirsher int err; 1656e689cf4aSJeff Kirsher u64 val; 1657e689cf4aSJeff Kirsher u16 bmcr, bmsr, estat; 1658e689cf4aSJeff Kirsher 1659e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 1660e689cf4aSJeff Kirsher val &= ~MIF_CONFIG_INDIRECT_MODE; 1661e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 1662e689cf4aSJeff Kirsher 1663e689cf4aSJeff Kirsher err = mii_reset(np); 1664e689cf4aSJeff Kirsher if (err) 1665e689cf4aSJeff Kirsher return err; 1666e689cf4aSJeff Kirsher 1667e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1668e689cf4aSJeff Kirsher if (err < 0) 1669e689cf4aSJeff Kirsher return err; 1670e689cf4aSJeff Kirsher bmsr = err; 1671e689cf4aSJeff Kirsher 1672e689cf4aSJeff Kirsher estat = 0; 1673e689cf4aSJeff Kirsher if (bmsr & BMSR_ESTATEN) { 1674e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_ESTATUS); 1675e689cf4aSJeff Kirsher if (err < 0) 1676e689cf4aSJeff Kirsher return err; 1677e689cf4aSJeff Kirsher estat = err; 1678e689cf4aSJeff Kirsher } 1679e689cf4aSJeff Kirsher 1680e689cf4aSJeff Kirsher bmcr = 0; 1681e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1682e689cf4aSJeff Kirsher if (err) 1683e689cf4aSJeff Kirsher return err; 1684e689cf4aSJeff Kirsher 1685e689cf4aSJeff Kirsher if (bmsr & BMSR_ESTATEN) { 1686e689cf4aSJeff Kirsher u16 ctrl1000 = 0; 1687e689cf4aSJeff Kirsher 1688e689cf4aSJeff Kirsher if (estat & ESTATUS_1000_TFULL) 1689e689cf4aSJeff Kirsher ctrl1000 |= ADVERTISE_1000FULL; 1690e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_CTRL1000, ctrl1000); 1691e689cf4aSJeff Kirsher if (err) 1692e689cf4aSJeff Kirsher return err; 1693e689cf4aSJeff Kirsher } 1694e689cf4aSJeff Kirsher 1695e689cf4aSJeff Kirsher bmcr = (BMCR_SPEED1000 | BMCR_FULLDPLX); 1696e689cf4aSJeff Kirsher 1697e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1698e689cf4aSJeff Kirsher if (err) 1699e689cf4aSJeff Kirsher return err; 1700e689cf4aSJeff Kirsher 1701e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMCR); 1702e689cf4aSJeff Kirsher if (err < 0) 1703e689cf4aSJeff Kirsher return err; 1704e689cf4aSJeff Kirsher bmcr = mii_read(np, np->phy_addr, MII_BMCR); 1705e689cf4aSJeff Kirsher 1706e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1707e689cf4aSJeff Kirsher if (err < 0) 1708e689cf4aSJeff Kirsher return err; 1709e689cf4aSJeff Kirsher 1710e689cf4aSJeff Kirsher return 0; 1711e689cf4aSJeff Kirsher } 1712e689cf4aSJeff Kirsher 1713e689cf4aSJeff Kirsher static int mii_init_common(struct niu *np) 1714e689cf4aSJeff Kirsher { 1715e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1716e689cf4aSJeff Kirsher u16 bmcr, bmsr, adv, estat; 1717e689cf4aSJeff Kirsher int err; 1718e689cf4aSJeff Kirsher 1719e689cf4aSJeff Kirsher err = mii_reset(np); 1720e689cf4aSJeff Kirsher if (err) 1721e689cf4aSJeff Kirsher return err; 1722e689cf4aSJeff Kirsher 1723e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1724e689cf4aSJeff Kirsher if (err < 0) 1725e689cf4aSJeff Kirsher return err; 1726e689cf4aSJeff Kirsher bmsr = err; 1727e689cf4aSJeff Kirsher 1728e689cf4aSJeff Kirsher estat = 0; 1729e689cf4aSJeff Kirsher if (bmsr & BMSR_ESTATEN) { 1730e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_ESTATUS); 1731e689cf4aSJeff Kirsher if (err < 0) 1732e689cf4aSJeff Kirsher return err; 1733e689cf4aSJeff Kirsher estat = err; 1734e689cf4aSJeff Kirsher } 1735e689cf4aSJeff Kirsher 1736e689cf4aSJeff Kirsher bmcr = 0; 1737e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1738e689cf4aSJeff Kirsher if (err) 1739e689cf4aSJeff Kirsher return err; 1740e689cf4aSJeff Kirsher 1741e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_MAC) { 1742e689cf4aSJeff Kirsher bmcr |= BMCR_LOOPBACK; 1743e689cf4aSJeff Kirsher if (lp->active_speed == SPEED_1000) 1744e689cf4aSJeff Kirsher bmcr |= BMCR_SPEED1000; 1745e689cf4aSJeff Kirsher if (lp->active_duplex == DUPLEX_FULL) 1746e689cf4aSJeff Kirsher bmcr |= BMCR_FULLDPLX; 1747e689cf4aSJeff Kirsher } 1748e689cf4aSJeff Kirsher 1749e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 1750e689cf4aSJeff Kirsher u16 aux; 1751e689cf4aSJeff Kirsher 1752e689cf4aSJeff Kirsher aux = (BCM5464R_AUX_CTL_EXT_LB | 1753e689cf4aSJeff Kirsher BCM5464R_AUX_CTL_WRITE_1); 1754e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, BCM5464R_AUX_CTL, aux); 1755e689cf4aSJeff Kirsher if (err) 1756e689cf4aSJeff Kirsher return err; 1757e689cf4aSJeff Kirsher } 1758e689cf4aSJeff Kirsher 1759e689cf4aSJeff Kirsher if (lp->autoneg) { 1760e689cf4aSJeff Kirsher u16 ctrl1000; 1761e689cf4aSJeff Kirsher 1762e689cf4aSJeff Kirsher adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP; 1763e689cf4aSJeff Kirsher if ((bmsr & BMSR_10HALF) && 1764e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_10baseT_Half)) 1765e689cf4aSJeff Kirsher adv |= ADVERTISE_10HALF; 1766e689cf4aSJeff Kirsher if ((bmsr & BMSR_10FULL) && 1767e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_10baseT_Full)) 1768e689cf4aSJeff Kirsher adv |= ADVERTISE_10FULL; 1769e689cf4aSJeff Kirsher if ((bmsr & BMSR_100HALF) && 1770e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_100baseT_Half)) 1771e689cf4aSJeff Kirsher adv |= ADVERTISE_100HALF; 1772e689cf4aSJeff Kirsher if ((bmsr & BMSR_100FULL) && 1773e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_100baseT_Full)) 1774e689cf4aSJeff Kirsher adv |= ADVERTISE_100FULL; 1775e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_ADVERTISE, adv); 1776e689cf4aSJeff Kirsher if (err) 1777e689cf4aSJeff Kirsher return err; 1778e689cf4aSJeff Kirsher 1779e689cf4aSJeff Kirsher if (likely(bmsr & BMSR_ESTATEN)) { 1780e689cf4aSJeff Kirsher ctrl1000 = 0; 1781e689cf4aSJeff Kirsher if ((estat & ESTATUS_1000_THALF) && 1782e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_1000baseT_Half)) 1783e689cf4aSJeff Kirsher ctrl1000 |= ADVERTISE_1000HALF; 1784e689cf4aSJeff Kirsher if ((estat & ESTATUS_1000_TFULL) && 1785e689cf4aSJeff Kirsher (lp->advertising & ADVERTISED_1000baseT_Full)) 1786e689cf4aSJeff Kirsher ctrl1000 |= ADVERTISE_1000FULL; 1787e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, 1788e689cf4aSJeff Kirsher MII_CTRL1000, ctrl1000); 1789e689cf4aSJeff Kirsher if (err) 1790e689cf4aSJeff Kirsher return err; 1791e689cf4aSJeff Kirsher } 1792e689cf4aSJeff Kirsher 1793e689cf4aSJeff Kirsher bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); 1794e689cf4aSJeff Kirsher } else { 1795e689cf4aSJeff Kirsher /* !lp->autoneg */ 1796e689cf4aSJeff Kirsher int fulldpx; 1797e689cf4aSJeff Kirsher 1798e689cf4aSJeff Kirsher if (lp->duplex == DUPLEX_FULL) { 1799e689cf4aSJeff Kirsher bmcr |= BMCR_FULLDPLX; 1800e689cf4aSJeff Kirsher fulldpx = 1; 1801e689cf4aSJeff Kirsher } else if (lp->duplex == DUPLEX_HALF) 1802e689cf4aSJeff Kirsher fulldpx = 0; 1803e689cf4aSJeff Kirsher else 1804e689cf4aSJeff Kirsher return -EINVAL; 1805e689cf4aSJeff Kirsher 1806e689cf4aSJeff Kirsher if (lp->speed == SPEED_1000) { 1807e689cf4aSJeff Kirsher /* if X-full requested while not supported, or 1808e689cf4aSJeff Kirsher X-half requested while not supported... */ 1809e689cf4aSJeff Kirsher if ((fulldpx && !(estat & ESTATUS_1000_TFULL)) || 1810e689cf4aSJeff Kirsher (!fulldpx && !(estat & ESTATUS_1000_THALF))) 1811e689cf4aSJeff Kirsher return -EINVAL; 1812e689cf4aSJeff Kirsher bmcr |= BMCR_SPEED1000; 1813e689cf4aSJeff Kirsher } else if (lp->speed == SPEED_100) { 1814e689cf4aSJeff Kirsher if ((fulldpx && !(bmsr & BMSR_100FULL)) || 1815e689cf4aSJeff Kirsher (!fulldpx && !(bmsr & BMSR_100HALF))) 1816e689cf4aSJeff Kirsher return -EINVAL; 1817e689cf4aSJeff Kirsher bmcr |= BMCR_SPEED100; 1818e689cf4aSJeff Kirsher } else if (lp->speed == SPEED_10) { 1819e689cf4aSJeff Kirsher if ((fulldpx && !(bmsr & BMSR_10FULL)) || 1820e689cf4aSJeff Kirsher (!fulldpx && !(bmsr & BMSR_10HALF))) 1821e689cf4aSJeff Kirsher return -EINVAL; 1822e689cf4aSJeff Kirsher } else 1823e689cf4aSJeff Kirsher return -EINVAL; 1824e689cf4aSJeff Kirsher } 1825e689cf4aSJeff Kirsher 1826e689cf4aSJeff Kirsher err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1827e689cf4aSJeff Kirsher if (err) 1828e689cf4aSJeff Kirsher return err; 1829e689cf4aSJeff Kirsher 1830e689cf4aSJeff Kirsher #if 0 1831e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMCR); 1832e689cf4aSJeff Kirsher if (err < 0) 1833e689cf4aSJeff Kirsher return err; 1834e689cf4aSJeff Kirsher bmcr = err; 1835e689cf4aSJeff Kirsher 1836e689cf4aSJeff Kirsher err = mii_read(np, np->phy_addr, MII_BMSR); 1837e689cf4aSJeff Kirsher if (err < 0) 1838e689cf4aSJeff Kirsher return err; 1839e689cf4aSJeff Kirsher bmsr = err; 1840e689cf4aSJeff Kirsher 1841e689cf4aSJeff Kirsher pr_info("Port %u after MII init bmcr[%04x] bmsr[%04x]\n", 1842e689cf4aSJeff Kirsher np->port, bmcr, bmsr); 1843e689cf4aSJeff Kirsher #endif 1844e689cf4aSJeff Kirsher 1845e689cf4aSJeff Kirsher return 0; 1846e689cf4aSJeff Kirsher } 1847e689cf4aSJeff Kirsher 1848e689cf4aSJeff Kirsher static int xcvr_init_1g(struct niu *np) 1849e689cf4aSJeff Kirsher { 1850e689cf4aSJeff Kirsher u64 val; 1851e689cf4aSJeff Kirsher 1852e689cf4aSJeff Kirsher /* XXX shared resource, lock parent XXX */ 1853e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 1854e689cf4aSJeff Kirsher val &= ~MIF_CONFIG_INDIRECT_MODE; 1855e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 1856e689cf4aSJeff Kirsher 1857e689cf4aSJeff Kirsher return mii_init_common(np); 1858e689cf4aSJeff Kirsher } 1859e689cf4aSJeff Kirsher 1860e689cf4aSJeff Kirsher static int niu_xcvr_init(struct niu *np) 1861e689cf4aSJeff Kirsher { 1862e689cf4aSJeff Kirsher const struct niu_phy_ops *ops = np->phy_ops; 1863e689cf4aSJeff Kirsher int err; 1864e689cf4aSJeff Kirsher 1865e689cf4aSJeff Kirsher err = 0; 1866e689cf4aSJeff Kirsher if (ops->xcvr_init) 1867e689cf4aSJeff Kirsher err = ops->xcvr_init(np); 1868e689cf4aSJeff Kirsher 1869e689cf4aSJeff Kirsher return err; 1870e689cf4aSJeff Kirsher } 1871e689cf4aSJeff Kirsher 1872e689cf4aSJeff Kirsher static int niu_serdes_init(struct niu *np) 1873e689cf4aSJeff Kirsher { 1874e689cf4aSJeff Kirsher const struct niu_phy_ops *ops = np->phy_ops; 1875e689cf4aSJeff Kirsher int err; 1876e689cf4aSJeff Kirsher 1877e689cf4aSJeff Kirsher err = 0; 1878e689cf4aSJeff Kirsher if (ops->serdes_init) 1879e689cf4aSJeff Kirsher err = ops->serdes_init(np); 1880e689cf4aSJeff Kirsher 1881e689cf4aSJeff Kirsher return err; 1882e689cf4aSJeff Kirsher } 1883e689cf4aSJeff Kirsher 1884e689cf4aSJeff Kirsher static void niu_init_xif(struct niu *); 1885e689cf4aSJeff Kirsher static void niu_handle_led(struct niu *, int status); 1886e689cf4aSJeff Kirsher 1887e689cf4aSJeff Kirsher static int niu_link_status_common(struct niu *np, int link_up) 1888e689cf4aSJeff Kirsher { 1889e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 1890e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 1891e689cf4aSJeff Kirsher unsigned long flags; 1892e689cf4aSJeff Kirsher 1893e689cf4aSJeff Kirsher if (!netif_carrier_ok(dev) && link_up) { 1894e689cf4aSJeff Kirsher netif_info(np, link, dev, "Link is up at %s, %s duplex\n", 1895e689cf4aSJeff Kirsher lp->active_speed == SPEED_10000 ? "10Gb/sec" : 1896e689cf4aSJeff Kirsher lp->active_speed == SPEED_1000 ? "1Gb/sec" : 1897e689cf4aSJeff Kirsher lp->active_speed == SPEED_100 ? "100Mbit/sec" : 1898e689cf4aSJeff Kirsher "10Mbit/sec", 1899e689cf4aSJeff Kirsher lp->active_duplex == DUPLEX_FULL ? "full" : "half"); 1900e689cf4aSJeff Kirsher 1901e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1902e689cf4aSJeff Kirsher niu_init_xif(np); 1903e689cf4aSJeff Kirsher niu_handle_led(np, 1); 1904e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1905e689cf4aSJeff Kirsher 1906e689cf4aSJeff Kirsher netif_carrier_on(dev); 1907e689cf4aSJeff Kirsher } else if (netif_carrier_ok(dev) && !link_up) { 1908e689cf4aSJeff Kirsher netif_warn(np, link, dev, "Link is down\n"); 1909e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 1910e689cf4aSJeff Kirsher niu_handle_led(np, 0); 1911e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 1912e689cf4aSJeff Kirsher netif_carrier_off(dev); 1913e689cf4aSJeff Kirsher } 1914e689cf4aSJeff Kirsher 1915e689cf4aSJeff Kirsher return 0; 1916e689cf4aSJeff Kirsher } 1917e689cf4aSJeff Kirsher 1918e689cf4aSJeff Kirsher static int link_status_10g_mrvl(struct niu *np, int *link_up_p) 1919e689cf4aSJeff Kirsher { 1920e689cf4aSJeff Kirsher int err, link_up, pma_status, pcs_status; 1921e689cf4aSJeff Kirsher 1922e689cf4aSJeff Kirsher link_up = 0; 1923e689cf4aSJeff Kirsher 1924e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1925e689cf4aSJeff Kirsher MRVL88X2011_10G_PMD_STATUS_2); 1926e689cf4aSJeff Kirsher if (err < 0) 1927e689cf4aSJeff Kirsher goto out; 1928e689cf4aSJeff Kirsher 1929e689cf4aSJeff Kirsher /* Check PMA/PMD Register: 1.0001.2 == 1 */ 1930e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1931e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_STATUS_1); 1932e689cf4aSJeff Kirsher if (err < 0) 1933e689cf4aSJeff Kirsher goto out; 1934e689cf4aSJeff Kirsher 1935e689cf4aSJeff Kirsher pma_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0); 1936e689cf4aSJeff Kirsher 1937e689cf4aSJeff Kirsher /* Check PMC Register : 3.0001.2 == 1: read twice */ 1938e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1939e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_STATUS_1); 1940e689cf4aSJeff Kirsher if (err < 0) 1941e689cf4aSJeff Kirsher goto out; 1942e689cf4aSJeff Kirsher 1943e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1944e689cf4aSJeff Kirsher MRVL88X2011_PMA_PMD_STATUS_1); 1945e689cf4aSJeff Kirsher if (err < 0) 1946e689cf4aSJeff Kirsher goto out; 1947e689cf4aSJeff Kirsher 1948e689cf4aSJeff Kirsher pcs_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0); 1949e689cf4aSJeff Kirsher 1950e689cf4aSJeff Kirsher /* Check XGXS Register : 4.0018.[0-3,12] */ 1951e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV4_ADDR, 1952e689cf4aSJeff Kirsher MRVL88X2011_10G_XGXS_LANE_STAT); 1953e689cf4aSJeff Kirsher if (err < 0) 1954e689cf4aSJeff Kirsher goto out; 1955e689cf4aSJeff Kirsher 1956e689cf4aSJeff Kirsher if (err == (PHYXS_XGXS_LANE_STAT_ALINGED | PHYXS_XGXS_LANE_STAT_LANE3 | 1957e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE2 | PHYXS_XGXS_LANE_STAT_LANE1 | 1958e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE0 | PHYXS_XGXS_LANE_STAT_MAGIC | 1959e689cf4aSJeff Kirsher 0x800)) 1960e689cf4aSJeff Kirsher link_up = (pma_status && pcs_status) ? 1 : 0; 1961e689cf4aSJeff Kirsher 1962e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_10000; 1963e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_FULL; 1964e689cf4aSJeff Kirsher err = 0; 1965e689cf4aSJeff Kirsher out: 1966e689cf4aSJeff Kirsher mrvl88x2011_act_led(np, (link_up ? 1967e689cf4aSJeff Kirsher MRVL88X2011_LED_CTL_PCS_ACT : 1968e689cf4aSJeff Kirsher MRVL88X2011_LED_CTL_OFF)); 1969e689cf4aSJeff Kirsher 1970e689cf4aSJeff Kirsher *link_up_p = link_up; 1971e689cf4aSJeff Kirsher return err; 1972e689cf4aSJeff Kirsher } 1973e689cf4aSJeff Kirsher 1974e689cf4aSJeff Kirsher static int link_status_10g_bcm8706(struct niu *np, int *link_up_p) 1975e689cf4aSJeff Kirsher { 1976e689cf4aSJeff Kirsher int err, link_up; 1977e689cf4aSJeff Kirsher link_up = 0; 1978e689cf4aSJeff Kirsher 1979e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 1980e689cf4aSJeff Kirsher BCM8704_PMD_RCV_SIGDET); 1981e689cf4aSJeff Kirsher if (err < 0 || err == 0xffff) 1982e689cf4aSJeff Kirsher goto out; 1983e689cf4aSJeff Kirsher if (!(err & PMD_RCV_SIGDET_GLOBAL)) { 1984e689cf4aSJeff Kirsher err = 0; 1985e689cf4aSJeff Kirsher goto out; 1986e689cf4aSJeff Kirsher } 1987e689cf4aSJeff Kirsher 1988e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 1989e689cf4aSJeff Kirsher BCM8704_PCS_10G_R_STATUS); 1990e689cf4aSJeff Kirsher if (err < 0) 1991e689cf4aSJeff Kirsher goto out; 1992e689cf4aSJeff Kirsher 1993e689cf4aSJeff Kirsher if (!(err & PCS_10G_R_STATUS_BLK_LOCK)) { 1994e689cf4aSJeff Kirsher err = 0; 1995e689cf4aSJeff Kirsher goto out; 1996e689cf4aSJeff Kirsher } 1997e689cf4aSJeff Kirsher 1998e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 1999e689cf4aSJeff Kirsher BCM8704_PHYXS_XGXS_LANE_STAT); 2000e689cf4aSJeff Kirsher if (err < 0) 2001e689cf4aSJeff Kirsher goto out; 2002e689cf4aSJeff Kirsher if (err != (PHYXS_XGXS_LANE_STAT_ALINGED | 2003e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_MAGIC | 2004e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_PATTEST | 2005e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE3 | 2006e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE2 | 2007e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE1 | 2008e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE0)) { 2009e689cf4aSJeff Kirsher err = 0; 2010e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_INVALID; 2011e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_INVALID; 2012e689cf4aSJeff Kirsher goto out; 2013e689cf4aSJeff Kirsher } 2014e689cf4aSJeff Kirsher 2015e689cf4aSJeff Kirsher link_up = 1; 2016e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_10000; 2017e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_FULL; 2018e689cf4aSJeff Kirsher err = 0; 2019e689cf4aSJeff Kirsher 2020e689cf4aSJeff Kirsher out: 2021e689cf4aSJeff Kirsher *link_up_p = link_up; 2022e689cf4aSJeff Kirsher return err; 2023e689cf4aSJeff Kirsher } 2024e689cf4aSJeff Kirsher 2025e689cf4aSJeff Kirsher static int link_status_10g_bcom(struct niu *np, int *link_up_p) 2026e689cf4aSJeff Kirsher { 2027e689cf4aSJeff Kirsher int err, link_up; 2028e689cf4aSJeff Kirsher 2029e689cf4aSJeff Kirsher link_up = 0; 2030e689cf4aSJeff Kirsher 2031e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 2032e689cf4aSJeff Kirsher BCM8704_PMD_RCV_SIGDET); 2033e689cf4aSJeff Kirsher if (err < 0) 2034e689cf4aSJeff Kirsher goto out; 2035e689cf4aSJeff Kirsher if (!(err & PMD_RCV_SIGDET_GLOBAL)) { 2036e689cf4aSJeff Kirsher err = 0; 2037e689cf4aSJeff Kirsher goto out; 2038e689cf4aSJeff Kirsher } 2039e689cf4aSJeff Kirsher 2040e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 2041e689cf4aSJeff Kirsher BCM8704_PCS_10G_R_STATUS); 2042e689cf4aSJeff Kirsher if (err < 0) 2043e689cf4aSJeff Kirsher goto out; 2044e689cf4aSJeff Kirsher if (!(err & PCS_10G_R_STATUS_BLK_LOCK)) { 2045e689cf4aSJeff Kirsher err = 0; 2046e689cf4aSJeff Kirsher goto out; 2047e689cf4aSJeff Kirsher } 2048e689cf4aSJeff Kirsher 2049e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 2050e689cf4aSJeff Kirsher BCM8704_PHYXS_XGXS_LANE_STAT); 2051e689cf4aSJeff Kirsher if (err < 0) 2052e689cf4aSJeff Kirsher goto out; 2053e689cf4aSJeff Kirsher 2054e689cf4aSJeff Kirsher if (err != (PHYXS_XGXS_LANE_STAT_ALINGED | 2055e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_MAGIC | 2056e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE3 | 2057e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE2 | 2058e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE1 | 2059e689cf4aSJeff Kirsher PHYXS_XGXS_LANE_STAT_LANE0)) { 2060e689cf4aSJeff Kirsher err = 0; 2061e689cf4aSJeff Kirsher goto out; 2062e689cf4aSJeff Kirsher } 2063e689cf4aSJeff Kirsher 2064e689cf4aSJeff Kirsher link_up = 1; 2065e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_10000; 2066e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_FULL; 2067e689cf4aSJeff Kirsher err = 0; 2068e689cf4aSJeff Kirsher 2069e689cf4aSJeff Kirsher out: 2070e689cf4aSJeff Kirsher *link_up_p = link_up; 2071e689cf4aSJeff Kirsher return err; 2072e689cf4aSJeff Kirsher } 2073e689cf4aSJeff Kirsher 2074e689cf4aSJeff Kirsher static int link_status_10g(struct niu *np, int *link_up_p) 2075e689cf4aSJeff Kirsher { 2076e689cf4aSJeff Kirsher unsigned long flags; 2077e689cf4aSJeff Kirsher int err = -EINVAL; 2078e689cf4aSJeff Kirsher 2079e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 2080e689cf4aSJeff Kirsher 2081e689cf4aSJeff Kirsher if (np->link_config.loopback_mode == LOOPBACK_DISABLED) { 2082e689cf4aSJeff Kirsher int phy_id; 2083e689cf4aSJeff Kirsher 2084e689cf4aSJeff Kirsher phy_id = phy_decode(np->parent->port_phy, np->port); 2085e689cf4aSJeff Kirsher phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port]; 2086e689cf4aSJeff Kirsher 2087e689cf4aSJeff Kirsher /* handle different phy types */ 2088e689cf4aSJeff Kirsher switch (phy_id & NIU_PHY_ID_MASK) { 2089e689cf4aSJeff Kirsher case NIU_PHY_ID_MRVL88X2011: 2090e689cf4aSJeff Kirsher err = link_status_10g_mrvl(np, link_up_p); 2091e689cf4aSJeff Kirsher break; 2092e689cf4aSJeff Kirsher 2093e689cf4aSJeff Kirsher default: /* bcom 8704 */ 2094e689cf4aSJeff Kirsher err = link_status_10g_bcom(np, link_up_p); 2095e689cf4aSJeff Kirsher break; 2096e689cf4aSJeff Kirsher } 2097e689cf4aSJeff Kirsher } 2098e689cf4aSJeff Kirsher 2099e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 2100e689cf4aSJeff Kirsher 2101e689cf4aSJeff Kirsher return err; 2102e689cf4aSJeff Kirsher } 2103e689cf4aSJeff Kirsher 2104e689cf4aSJeff Kirsher static int niu_10g_phy_present(struct niu *np) 2105e689cf4aSJeff Kirsher { 2106e689cf4aSJeff Kirsher u64 sig, mask, val; 2107e689cf4aSJeff Kirsher 2108e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 2109e689cf4aSJeff Kirsher switch (np->port) { 2110e689cf4aSJeff Kirsher case 0: 2111e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P0_BITS; 2112e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | 2113e689cf4aSJeff Kirsher ESR_INT_DET0_P0 | 2114e689cf4aSJeff Kirsher ESR_INT_XSRDY_P0 | 2115e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH3 | 2116e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH2 | 2117e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH1 | 2118e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH0); 2119e689cf4aSJeff Kirsher break; 2120e689cf4aSJeff Kirsher 2121e689cf4aSJeff Kirsher case 1: 2122e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P1_BITS; 2123e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | 2124e689cf4aSJeff Kirsher ESR_INT_DET0_P1 | 2125e689cf4aSJeff Kirsher ESR_INT_XSRDY_P1 | 2126e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH3 | 2127e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH2 | 2128e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH1 | 2129e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH0); 2130e689cf4aSJeff Kirsher break; 2131e689cf4aSJeff Kirsher 2132e689cf4aSJeff Kirsher default: 2133e689cf4aSJeff Kirsher return 0; 2134e689cf4aSJeff Kirsher } 2135e689cf4aSJeff Kirsher 2136e689cf4aSJeff Kirsher if ((sig & mask) != val) 2137e689cf4aSJeff Kirsher return 0; 2138e689cf4aSJeff Kirsher return 1; 2139e689cf4aSJeff Kirsher } 2140e689cf4aSJeff Kirsher 2141e689cf4aSJeff Kirsher static int link_status_10g_hotplug(struct niu *np, int *link_up_p) 2142e689cf4aSJeff Kirsher { 2143e689cf4aSJeff Kirsher unsigned long flags; 2144e689cf4aSJeff Kirsher int err = 0; 2145e689cf4aSJeff Kirsher int phy_present; 2146e689cf4aSJeff Kirsher int phy_present_prev; 2147e689cf4aSJeff Kirsher 2148e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 2149e689cf4aSJeff Kirsher 2150e689cf4aSJeff Kirsher if (np->link_config.loopback_mode == LOOPBACK_DISABLED) { 2151e689cf4aSJeff Kirsher phy_present_prev = (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) ? 2152e689cf4aSJeff Kirsher 1 : 0; 2153e689cf4aSJeff Kirsher phy_present = niu_10g_phy_present(np); 2154e689cf4aSJeff Kirsher if (phy_present != phy_present_prev) { 2155e689cf4aSJeff Kirsher /* state change */ 2156e689cf4aSJeff Kirsher if (phy_present) { 2157e689cf4aSJeff Kirsher /* A NEM was just plugged in */ 2158e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2159e689cf4aSJeff Kirsher if (np->phy_ops->xcvr_init) 2160e689cf4aSJeff Kirsher err = np->phy_ops->xcvr_init(np); 2161e689cf4aSJeff Kirsher if (err) { 2162e689cf4aSJeff Kirsher err = mdio_read(np, np->phy_addr, 2163e689cf4aSJeff Kirsher BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 2164e689cf4aSJeff Kirsher if (err == 0xffff) { 2165e689cf4aSJeff Kirsher /* No mdio, back-to-back XAUI */ 2166e689cf4aSJeff Kirsher goto out; 2167e689cf4aSJeff Kirsher } 2168e689cf4aSJeff Kirsher /* debounce */ 2169e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2170e689cf4aSJeff Kirsher } 2171e689cf4aSJeff Kirsher } else { 2172e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2173e689cf4aSJeff Kirsher *link_up_p = 0; 2174e689cf4aSJeff Kirsher netif_warn(np, link, np->dev, 2175e689cf4aSJeff Kirsher "Hotplug PHY Removed\n"); 2176e689cf4aSJeff Kirsher } 2177e689cf4aSJeff Kirsher } 2178e689cf4aSJeff Kirsher out: 2179e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) { 2180e689cf4aSJeff Kirsher err = link_status_10g_bcm8706(np, link_up_p); 2181e689cf4aSJeff Kirsher if (err == 0xffff) { 2182e689cf4aSJeff Kirsher /* No mdio, back-to-back XAUI: it is C10NEM */ 2183e689cf4aSJeff Kirsher *link_up_p = 1; 2184e689cf4aSJeff Kirsher np->link_config.active_speed = SPEED_10000; 2185e689cf4aSJeff Kirsher np->link_config.active_duplex = DUPLEX_FULL; 2186e689cf4aSJeff Kirsher } 2187e689cf4aSJeff Kirsher } 2188e689cf4aSJeff Kirsher } 2189e689cf4aSJeff Kirsher 2190e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 2191e689cf4aSJeff Kirsher 2192e689cf4aSJeff Kirsher return 0; 2193e689cf4aSJeff Kirsher } 2194e689cf4aSJeff Kirsher 2195e689cf4aSJeff Kirsher static int niu_link_status(struct niu *np, int *link_up_p) 2196e689cf4aSJeff Kirsher { 2197e689cf4aSJeff Kirsher const struct niu_phy_ops *ops = np->phy_ops; 2198e689cf4aSJeff Kirsher int err; 2199e689cf4aSJeff Kirsher 2200e689cf4aSJeff Kirsher err = 0; 2201e689cf4aSJeff Kirsher if (ops->link_status) 2202e689cf4aSJeff Kirsher err = ops->link_status(np, link_up_p); 2203e689cf4aSJeff Kirsher 2204e689cf4aSJeff Kirsher return err; 2205e689cf4aSJeff Kirsher } 2206e689cf4aSJeff Kirsher 22070822c5d9SKees Cook static void niu_timer(struct timer_list *t) 2208e689cf4aSJeff Kirsher { 22090822c5d9SKees Cook struct niu *np = from_timer(np, t, timer); 2210e689cf4aSJeff Kirsher unsigned long off; 2211e689cf4aSJeff Kirsher int err, link_up; 2212e689cf4aSJeff Kirsher 2213e689cf4aSJeff Kirsher err = niu_link_status(np, &link_up); 2214e689cf4aSJeff Kirsher if (!err) 2215e689cf4aSJeff Kirsher niu_link_status_common(np, link_up); 2216e689cf4aSJeff Kirsher 2217e689cf4aSJeff Kirsher if (netif_carrier_ok(np->dev)) 2218e689cf4aSJeff Kirsher off = 5 * HZ; 2219e689cf4aSJeff Kirsher else 2220e689cf4aSJeff Kirsher off = 1 * HZ; 2221e689cf4aSJeff Kirsher np->timer.expires = jiffies + off; 2222e689cf4aSJeff Kirsher 2223e689cf4aSJeff Kirsher add_timer(&np->timer); 2224e689cf4aSJeff Kirsher } 2225e689cf4aSJeff Kirsher 2226e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_serdes = { 2227e689cf4aSJeff Kirsher .serdes_init = serdes_init_10g_serdes, 2228e689cf4aSJeff Kirsher .link_status = link_status_10g_serdes, 2229e689cf4aSJeff Kirsher }; 2230e689cf4aSJeff Kirsher 2231e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_serdes_niu = { 2232e689cf4aSJeff Kirsher .serdes_init = serdes_init_niu_10g_serdes, 2233e689cf4aSJeff Kirsher .link_status = link_status_10g_serdes, 2234e689cf4aSJeff Kirsher }; 2235e689cf4aSJeff Kirsher 2236e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_1g_serdes_niu = { 2237e689cf4aSJeff Kirsher .serdes_init = serdes_init_niu_1g_serdes, 2238e689cf4aSJeff Kirsher .link_status = link_status_1g_serdes, 2239e689cf4aSJeff Kirsher }; 2240e689cf4aSJeff Kirsher 2241e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_1g_rgmii = { 2242e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_1g_rgmii, 2243e689cf4aSJeff Kirsher .link_status = link_status_1g_rgmii, 2244e689cf4aSJeff Kirsher }; 2245e689cf4aSJeff Kirsher 2246e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_fiber_niu = { 2247e689cf4aSJeff Kirsher .serdes_init = serdes_init_niu_10g_fiber, 2248e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_10g, 2249e689cf4aSJeff Kirsher .link_status = link_status_10g, 2250e689cf4aSJeff Kirsher }; 2251e689cf4aSJeff Kirsher 2252e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_fiber = { 2253e689cf4aSJeff Kirsher .serdes_init = serdes_init_10g, 2254e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_10g, 2255e689cf4aSJeff Kirsher .link_status = link_status_10g, 2256e689cf4aSJeff Kirsher }; 2257e689cf4aSJeff Kirsher 2258e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_fiber_hotplug = { 2259e689cf4aSJeff Kirsher .serdes_init = serdes_init_10g, 2260e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_10g_bcm8706, 2261e689cf4aSJeff Kirsher .link_status = link_status_10g_hotplug, 2262e689cf4aSJeff Kirsher }; 2263e689cf4aSJeff Kirsher 2264e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_niu_10g_hotplug = { 2265e689cf4aSJeff Kirsher .serdes_init = serdes_init_niu_10g_fiber, 2266e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_10g_bcm8706, 2267e689cf4aSJeff Kirsher .link_status = link_status_10g_hotplug, 2268e689cf4aSJeff Kirsher }; 2269e689cf4aSJeff Kirsher 2270e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_10g_copper = { 2271e689cf4aSJeff Kirsher .serdes_init = serdes_init_10g, 2272e689cf4aSJeff Kirsher .link_status = link_status_10g, /* XXX */ 2273e689cf4aSJeff Kirsher }; 2274e689cf4aSJeff Kirsher 2275e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_1g_fiber = { 2276e689cf4aSJeff Kirsher .serdes_init = serdes_init_1g, 2277e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_1g, 2278e689cf4aSJeff Kirsher .link_status = link_status_1g, 2279e689cf4aSJeff Kirsher }; 2280e689cf4aSJeff Kirsher 2281e689cf4aSJeff Kirsher static const struct niu_phy_ops phy_ops_1g_copper = { 2282e689cf4aSJeff Kirsher .xcvr_init = xcvr_init_1g, 2283e689cf4aSJeff Kirsher .link_status = link_status_1g, 2284e689cf4aSJeff Kirsher }; 2285e689cf4aSJeff Kirsher 2286e689cf4aSJeff Kirsher struct niu_phy_template { 2287e689cf4aSJeff Kirsher const struct niu_phy_ops *ops; 2288e689cf4aSJeff Kirsher u32 phy_addr_base; 2289e689cf4aSJeff Kirsher }; 2290e689cf4aSJeff Kirsher 2291e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_niu_10g_fiber = { 2292e689cf4aSJeff Kirsher .ops = &phy_ops_10g_fiber_niu, 2293e689cf4aSJeff Kirsher .phy_addr_base = 16, 2294e689cf4aSJeff Kirsher }; 2295e689cf4aSJeff Kirsher 2296e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_niu_10g_serdes = { 2297e689cf4aSJeff Kirsher .ops = &phy_ops_10g_serdes_niu, 2298e689cf4aSJeff Kirsher .phy_addr_base = 0, 2299e689cf4aSJeff Kirsher }; 2300e689cf4aSJeff Kirsher 2301e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_niu_1g_serdes = { 2302e689cf4aSJeff Kirsher .ops = &phy_ops_1g_serdes_niu, 2303e689cf4aSJeff Kirsher .phy_addr_base = 0, 2304e689cf4aSJeff Kirsher }; 2305e689cf4aSJeff Kirsher 2306e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_10g_fiber = { 2307e689cf4aSJeff Kirsher .ops = &phy_ops_10g_fiber, 2308e689cf4aSJeff Kirsher .phy_addr_base = 8, 2309e689cf4aSJeff Kirsher }; 2310e689cf4aSJeff Kirsher 2311e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_10g_fiber_hotplug = { 2312e689cf4aSJeff Kirsher .ops = &phy_ops_10g_fiber_hotplug, 2313e689cf4aSJeff Kirsher .phy_addr_base = 8, 2314e689cf4aSJeff Kirsher }; 2315e689cf4aSJeff Kirsher 2316e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_niu_10g_hotplug = { 2317e689cf4aSJeff Kirsher .ops = &phy_ops_niu_10g_hotplug, 2318e689cf4aSJeff Kirsher .phy_addr_base = 8, 2319e689cf4aSJeff Kirsher }; 2320e689cf4aSJeff Kirsher 2321e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_10g_copper = { 2322e689cf4aSJeff Kirsher .ops = &phy_ops_10g_copper, 2323e689cf4aSJeff Kirsher .phy_addr_base = 10, 2324e689cf4aSJeff Kirsher }; 2325e689cf4aSJeff Kirsher 2326e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_1g_fiber = { 2327e689cf4aSJeff Kirsher .ops = &phy_ops_1g_fiber, 2328e689cf4aSJeff Kirsher .phy_addr_base = 0, 2329e689cf4aSJeff Kirsher }; 2330e689cf4aSJeff Kirsher 2331e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_1g_copper = { 2332e689cf4aSJeff Kirsher .ops = &phy_ops_1g_copper, 2333e689cf4aSJeff Kirsher .phy_addr_base = 0, 2334e689cf4aSJeff Kirsher }; 2335e689cf4aSJeff Kirsher 2336e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_1g_rgmii = { 2337e689cf4aSJeff Kirsher .ops = &phy_ops_1g_rgmii, 2338e689cf4aSJeff Kirsher .phy_addr_base = 0, 2339e689cf4aSJeff Kirsher }; 2340e689cf4aSJeff Kirsher 2341e689cf4aSJeff Kirsher static const struct niu_phy_template phy_template_10g_serdes = { 2342e689cf4aSJeff Kirsher .ops = &phy_ops_10g_serdes, 2343e689cf4aSJeff Kirsher .phy_addr_base = 0, 2344e689cf4aSJeff Kirsher }; 2345e689cf4aSJeff Kirsher 2346e689cf4aSJeff Kirsher static int niu_atca_port_num[4] = { 2347e689cf4aSJeff Kirsher 0, 0, 11, 10 2348e689cf4aSJeff Kirsher }; 2349e689cf4aSJeff Kirsher 2350e689cf4aSJeff Kirsher static int serdes_init_10g_serdes(struct niu *np) 2351e689cf4aSJeff Kirsher { 2352e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 2353e689cf4aSJeff Kirsher unsigned long ctrl_reg, test_cfg_reg, pll_cfg, i; 2354e689cf4aSJeff Kirsher u64 ctrl_val, test_cfg_val, sig, mask, val; 2355e689cf4aSJeff Kirsher 2356e689cf4aSJeff Kirsher switch (np->port) { 2357e689cf4aSJeff Kirsher case 0: 2358e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_0_CTRL_CFG; 2359e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_0_TEST_CFG; 2360e689cf4aSJeff Kirsher pll_cfg = ENET_SERDES_0_PLL_CFG; 2361e689cf4aSJeff Kirsher break; 2362e689cf4aSJeff Kirsher case 1: 2363e689cf4aSJeff Kirsher ctrl_reg = ENET_SERDES_1_CTRL_CFG; 2364e689cf4aSJeff Kirsher test_cfg_reg = ENET_SERDES_1_TEST_CFG; 2365e689cf4aSJeff Kirsher pll_cfg = ENET_SERDES_1_PLL_CFG; 2366e689cf4aSJeff Kirsher break; 2367e689cf4aSJeff Kirsher 2368e689cf4aSJeff Kirsher default: 2369e689cf4aSJeff Kirsher return -EINVAL; 2370e689cf4aSJeff Kirsher } 2371e689cf4aSJeff Kirsher ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 2372e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_1 | 2373e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_2 | 2374e689cf4aSJeff Kirsher ENET_SERDES_CTRL_SDET_3 | 2375e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 2376e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 2377e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 2378e689cf4aSJeff Kirsher (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 2379e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 2380e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 2381e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 2382e689cf4aSJeff Kirsher (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 2383e689cf4aSJeff Kirsher test_cfg_val = 0; 2384e689cf4aSJeff Kirsher 2385e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) { 2386e689cf4aSJeff Kirsher test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 2387e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_0_SHIFT) | 2388e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 2389e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_1_SHIFT) | 2390e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 2391e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_2_SHIFT) | 2392e689cf4aSJeff Kirsher (ENET_TEST_MD_PAD_LOOPBACK << 2393e689cf4aSJeff Kirsher ENET_SERDES_TEST_MD_3_SHIFT)); 2394e689cf4aSJeff Kirsher } 2395e689cf4aSJeff Kirsher 2396e689cf4aSJeff Kirsher esr_reset(np); 2397e689cf4aSJeff Kirsher nw64(pll_cfg, ENET_SERDES_PLL_FBDIV2); 2398e689cf4aSJeff Kirsher nw64(ctrl_reg, ctrl_val); 2399e689cf4aSJeff Kirsher nw64(test_cfg_reg, test_cfg_val); 2400e689cf4aSJeff Kirsher 2401e689cf4aSJeff Kirsher /* Initialize all 4 lanes of the SERDES. */ 2402e689cf4aSJeff Kirsher for (i = 0; i < 4; i++) { 2403e689cf4aSJeff Kirsher u32 rxtx_ctrl, glue0; 2404e689cf4aSJeff Kirsher int err; 2405e689cf4aSJeff Kirsher 2406e689cf4aSJeff Kirsher err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 2407e689cf4aSJeff Kirsher if (err) 2408e689cf4aSJeff Kirsher return err; 2409e689cf4aSJeff Kirsher err = esr_read_glue0(np, i, &glue0); 2410e689cf4aSJeff Kirsher if (err) 2411e689cf4aSJeff Kirsher return err; 2412e689cf4aSJeff Kirsher 2413e689cf4aSJeff Kirsher rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 2414e689cf4aSJeff Kirsher rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 2415e689cf4aSJeff Kirsher (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 2416e689cf4aSJeff Kirsher 2417e689cf4aSJeff Kirsher glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 2418e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_THCNT | 2419e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME); 2420e689cf4aSJeff Kirsher glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 2421e689cf4aSJeff Kirsher (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 2422e689cf4aSJeff Kirsher (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 2423e689cf4aSJeff Kirsher (BLTIME_300_CYCLES << 2424e689cf4aSJeff Kirsher ESR_GLUE_CTRL0_BLTIME_SHIFT)); 2425e689cf4aSJeff Kirsher 2426e689cf4aSJeff Kirsher err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 2427e689cf4aSJeff Kirsher if (err) 2428e689cf4aSJeff Kirsher return err; 2429e689cf4aSJeff Kirsher err = esr_write_glue0(np, i, glue0); 2430e689cf4aSJeff Kirsher if (err) 2431e689cf4aSJeff Kirsher return err; 2432e689cf4aSJeff Kirsher } 2433e689cf4aSJeff Kirsher 2434e689cf4aSJeff Kirsher 2435e689cf4aSJeff Kirsher sig = nr64(ESR_INT_SIGNALS); 2436e689cf4aSJeff Kirsher switch (np->port) { 2437e689cf4aSJeff Kirsher case 0: 2438e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P0_BITS; 2439e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P0 | 2440e689cf4aSJeff Kirsher ESR_INT_DET0_P0 | 2441e689cf4aSJeff Kirsher ESR_INT_XSRDY_P0 | 2442e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH3 | 2443e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH2 | 2444e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH1 | 2445e689cf4aSJeff Kirsher ESR_INT_XDP_P0_CH0); 2446e689cf4aSJeff Kirsher break; 2447e689cf4aSJeff Kirsher 2448e689cf4aSJeff Kirsher case 1: 2449e689cf4aSJeff Kirsher mask = ESR_INT_SIGNALS_P1_BITS; 2450e689cf4aSJeff Kirsher val = (ESR_INT_SRDY0_P1 | 2451e689cf4aSJeff Kirsher ESR_INT_DET0_P1 | 2452e689cf4aSJeff Kirsher ESR_INT_XSRDY_P1 | 2453e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH3 | 2454e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH2 | 2455e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH1 | 2456e689cf4aSJeff Kirsher ESR_INT_XDP_P1_CH0); 2457e689cf4aSJeff Kirsher break; 2458e689cf4aSJeff Kirsher 2459e689cf4aSJeff Kirsher default: 2460e689cf4aSJeff Kirsher return -EINVAL; 2461e689cf4aSJeff Kirsher } 2462e689cf4aSJeff Kirsher 2463e689cf4aSJeff Kirsher if ((sig & mask) != val) { 2464e689cf4aSJeff Kirsher int err; 2465e689cf4aSJeff Kirsher err = serdes_init_1g_serdes(np); 2466e689cf4aSJeff Kirsher if (!err) { 2467e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 2468e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 2469e689cf4aSJeff Kirsher } else { 2470e689cf4aSJeff Kirsher netdev_err(np->dev, "Port %u 10G/1G SERDES Link Failed\n", 2471e689cf4aSJeff Kirsher np->port); 2472e689cf4aSJeff Kirsher return -ENODEV; 2473e689cf4aSJeff Kirsher } 2474e689cf4aSJeff Kirsher } 2475e689cf4aSJeff Kirsher 2476e689cf4aSJeff Kirsher return 0; 2477e689cf4aSJeff Kirsher } 2478e689cf4aSJeff Kirsher 2479e689cf4aSJeff Kirsher static int niu_determine_phy_disposition(struct niu *np) 2480e689cf4aSJeff Kirsher { 2481e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 2482e689cf4aSJeff Kirsher u8 plat_type = parent->plat_type; 2483e689cf4aSJeff Kirsher const struct niu_phy_template *tp; 2484e689cf4aSJeff Kirsher u32 phy_addr_off = 0; 2485e689cf4aSJeff Kirsher 2486e689cf4aSJeff Kirsher if (plat_type == PLAT_TYPE_NIU) { 2487e689cf4aSJeff Kirsher switch (np->flags & 2488e689cf4aSJeff Kirsher (NIU_FLAGS_10G | 2489e689cf4aSJeff Kirsher NIU_FLAGS_FIBER | 2490e689cf4aSJeff Kirsher NIU_FLAGS_XCVR_SERDES)) { 2491e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 2492e689cf4aSJeff Kirsher /* 10G Serdes */ 2493e689cf4aSJeff Kirsher tp = &phy_template_niu_10g_serdes; 2494e689cf4aSJeff Kirsher break; 2495e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES: 2496e689cf4aSJeff Kirsher /* 1G Serdes */ 2497e689cf4aSJeff Kirsher tp = &phy_template_niu_1g_serdes; 2498e689cf4aSJeff Kirsher break; 2499e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 2500e689cf4aSJeff Kirsher /* 10G Fiber */ 2501e689cf4aSJeff Kirsher default: 2502e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 2503e689cf4aSJeff Kirsher tp = &phy_template_niu_10g_hotplug; 2504e689cf4aSJeff Kirsher if (np->port == 0) 2505e689cf4aSJeff Kirsher phy_addr_off = 8; 2506e689cf4aSJeff Kirsher if (np->port == 1) 2507e689cf4aSJeff Kirsher phy_addr_off = 12; 2508e689cf4aSJeff Kirsher } else { 2509e689cf4aSJeff Kirsher tp = &phy_template_niu_10g_fiber; 2510e689cf4aSJeff Kirsher phy_addr_off += np->port; 2511e689cf4aSJeff Kirsher } 2512e689cf4aSJeff Kirsher break; 2513e689cf4aSJeff Kirsher } 2514e689cf4aSJeff Kirsher } else { 2515e689cf4aSJeff Kirsher switch (np->flags & 2516e689cf4aSJeff Kirsher (NIU_FLAGS_10G | 2517e689cf4aSJeff Kirsher NIU_FLAGS_FIBER | 2518e689cf4aSJeff Kirsher NIU_FLAGS_XCVR_SERDES)) { 2519e689cf4aSJeff Kirsher case 0: 2520e689cf4aSJeff Kirsher /* 1G copper */ 2521e689cf4aSJeff Kirsher tp = &phy_template_1g_copper; 2522e689cf4aSJeff Kirsher if (plat_type == PLAT_TYPE_VF_P0) 2523e689cf4aSJeff Kirsher phy_addr_off = 10; 2524e689cf4aSJeff Kirsher else if (plat_type == PLAT_TYPE_VF_P1) 2525e689cf4aSJeff Kirsher phy_addr_off = 26; 2526e689cf4aSJeff Kirsher 2527e689cf4aSJeff Kirsher phy_addr_off += (np->port ^ 0x3); 2528e689cf4aSJeff Kirsher break; 2529e689cf4aSJeff Kirsher 2530e689cf4aSJeff Kirsher case NIU_FLAGS_10G: 2531e689cf4aSJeff Kirsher /* 10G copper */ 2532e689cf4aSJeff Kirsher tp = &phy_template_10g_copper; 2533e689cf4aSJeff Kirsher break; 2534e689cf4aSJeff Kirsher 2535e689cf4aSJeff Kirsher case NIU_FLAGS_FIBER: 2536e689cf4aSJeff Kirsher /* 1G fiber */ 2537e689cf4aSJeff Kirsher tp = &phy_template_1g_fiber; 2538e689cf4aSJeff Kirsher break; 2539e689cf4aSJeff Kirsher 2540e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 2541e689cf4aSJeff Kirsher /* 10G fiber */ 2542e689cf4aSJeff Kirsher tp = &phy_template_10g_fiber; 2543e689cf4aSJeff Kirsher if (plat_type == PLAT_TYPE_VF_P0 || 2544e689cf4aSJeff Kirsher plat_type == PLAT_TYPE_VF_P1) 2545e689cf4aSJeff Kirsher phy_addr_off = 8; 2546e689cf4aSJeff Kirsher phy_addr_off += np->port; 2547e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 2548e689cf4aSJeff Kirsher tp = &phy_template_10g_fiber_hotplug; 2549e689cf4aSJeff Kirsher if (np->port == 0) 2550e689cf4aSJeff Kirsher phy_addr_off = 8; 2551e689cf4aSJeff Kirsher if (np->port == 1) 2552e689cf4aSJeff Kirsher phy_addr_off = 12; 2553e689cf4aSJeff Kirsher } 2554e689cf4aSJeff Kirsher break; 2555e689cf4aSJeff Kirsher 2556e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 2557e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES | NIU_FLAGS_FIBER: 2558e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES: 2559e689cf4aSJeff Kirsher switch(np->port) { 2560e689cf4aSJeff Kirsher case 0: 2561e689cf4aSJeff Kirsher case 1: 2562e689cf4aSJeff Kirsher tp = &phy_template_10g_serdes; 2563e689cf4aSJeff Kirsher break; 2564e689cf4aSJeff Kirsher case 2: 2565e689cf4aSJeff Kirsher case 3: 2566e689cf4aSJeff Kirsher tp = &phy_template_1g_rgmii; 2567e689cf4aSJeff Kirsher break; 2568e689cf4aSJeff Kirsher default: 2569e689cf4aSJeff Kirsher return -EINVAL; 2570e689cf4aSJeff Kirsher } 2571e689cf4aSJeff Kirsher phy_addr_off = niu_atca_port_num[np->port]; 2572e689cf4aSJeff Kirsher break; 2573e689cf4aSJeff Kirsher 2574e689cf4aSJeff Kirsher default: 2575e689cf4aSJeff Kirsher return -EINVAL; 2576e689cf4aSJeff Kirsher } 2577e689cf4aSJeff Kirsher } 2578e689cf4aSJeff Kirsher 2579e689cf4aSJeff Kirsher np->phy_ops = tp->ops; 2580e689cf4aSJeff Kirsher np->phy_addr = tp->phy_addr_base + phy_addr_off; 2581e689cf4aSJeff Kirsher 2582e689cf4aSJeff Kirsher return 0; 2583e689cf4aSJeff Kirsher } 2584e689cf4aSJeff Kirsher 2585e689cf4aSJeff Kirsher static int niu_init_link(struct niu *np) 2586e689cf4aSJeff Kirsher { 2587e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 2588e689cf4aSJeff Kirsher int err, ignore; 2589e689cf4aSJeff Kirsher 2590e689cf4aSJeff Kirsher if (parent->plat_type == PLAT_TYPE_NIU) { 2591e689cf4aSJeff Kirsher err = niu_xcvr_init(np); 2592e689cf4aSJeff Kirsher if (err) 2593e689cf4aSJeff Kirsher return err; 2594e689cf4aSJeff Kirsher msleep(200); 2595e689cf4aSJeff Kirsher } 2596e689cf4aSJeff Kirsher err = niu_serdes_init(np); 2597e689cf4aSJeff Kirsher if (err && !(np->flags & NIU_FLAGS_HOTPLUG_PHY)) 2598e689cf4aSJeff Kirsher return err; 2599e689cf4aSJeff Kirsher msleep(200); 2600e689cf4aSJeff Kirsher err = niu_xcvr_init(np); 2601e689cf4aSJeff Kirsher if (!err || (np->flags & NIU_FLAGS_HOTPLUG_PHY)) 2602e689cf4aSJeff Kirsher niu_link_status(np, &ignore); 2603e689cf4aSJeff Kirsher return 0; 2604e689cf4aSJeff Kirsher } 2605e689cf4aSJeff Kirsher 2606e689cf4aSJeff Kirsher static void niu_set_primary_mac(struct niu *np, unsigned char *addr) 2607e689cf4aSJeff Kirsher { 2608e689cf4aSJeff Kirsher u16 reg0 = addr[4] << 8 | addr[5]; 2609e689cf4aSJeff Kirsher u16 reg1 = addr[2] << 8 | addr[3]; 2610e689cf4aSJeff Kirsher u16 reg2 = addr[0] << 8 | addr[1]; 2611e689cf4aSJeff Kirsher 2612e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 2613e689cf4aSJeff Kirsher nw64_mac(XMAC_ADDR0, reg0); 2614e689cf4aSJeff Kirsher nw64_mac(XMAC_ADDR1, reg1); 2615e689cf4aSJeff Kirsher nw64_mac(XMAC_ADDR2, reg2); 2616e689cf4aSJeff Kirsher } else { 2617e689cf4aSJeff Kirsher nw64_mac(BMAC_ADDR0, reg0); 2618e689cf4aSJeff Kirsher nw64_mac(BMAC_ADDR1, reg1); 2619e689cf4aSJeff Kirsher nw64_mac(BMAC_ADDR2, reg2); 2620e689cf4aSJeff Kirsher } 2621e689cf4aSJeff Kirsher } 2622e689cf4aSJeff Kirsher 2623e689cf4aSJeff Kirsher static int niu_num_alt_addr(struct niu *np) 2624e689cf4aSJeff Kirsher { 2625e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 2626e689cf4aSJeff Kirsher return XMAC_NUM_ALT_ADDR; 2627e689cf4aSJeff Kirsher else 2628e689cf4aSJeff Kirsher return BMAC_NUM_ALT_ADDR; 2629e689cf4aSJeff Kirsher } 2630e689cf4aSJeff Kirsher 2631e689cf4aSJeff Kirsher static int niu_set_alt_mac(struct niu *np, int index, unsigned char *addr) 2632e689cf4aSJeff Kirsher { 2633e689cf4aSJeff Kirsher u16 reg0 = addr[4] << 8 | addr[5]; 2634e689cf4aSJeff Kirsher u16 reg1 = addr[2] << 8 | addr[3]; 2635e689cf4aSJeff Kirsher u16 reg2 = addr[0] << 8 | addr[1]; 2636e689cf4aSJeff Kirsher 2637e689cf4aSJeff Kirsher if (index >= niu_num_alt_addr(np)) 2638e689cf4aSJeff Kirsher return -EINVAL; 2639e689cf4aSJeff Kirsher 2640e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 2641e689cf4aSJeff Kirsher nw64_mac(XMAC_ALT_ADDR0(index), reg0); 2642e689cf4aSJeff Kirsher nw64_mac(XMAC_ALT_ADDR1(index), reg1); 2643e689cf4aSJeff Kirsher nw64_mac(XMAC_ALT_ADDR2(index), reg2); 2644e689cf4aSJeff Kirsher } else { 2645e689cf4aSJeff Kirsher nw64_mac(BMAC_ALT_ADDR0(index), reg0); 2646e689cf4aSJeff Kirsher nw64_mac(BMAC_ALT_ADDR1(index), reg1); 2647e689cf4aSJeff Kirsher nw64_mac(BMAC_ALT_ADDR2(index), reg2); 2648e689cf4aSJeff Kirsher } 2649e689cf4aSJeff Kirsher 2650e689cf4aSJeff Kirsher return 0; 2651e689cf4aSJeff Kirsher } 2652e689cf4aSJeff Kirsher 2653e689cf4aSJeff Kirsher static int niu_enable_alt_mac(struct niu *np, int index, int on) 2654e689cf4aSJeff Kirsher { 2655e689cf4aSJeff Kirsher unsigned long reg; 2656e689cf4aSJeff Kirsher u64 val, mask; 2657e689cf4aSJeff Kirsher 2658e689cf4aSJeff Kirsher if (index >= niu_num_alt_addr(np)) 2659e689cf4aSJeff Kirsher return -EINVAL; 2660e689cf4aSJeff Kirsher 2661e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 2662e689cf4aSJeff Kirsher reg = XMAC_ADDR_CMPEN; 2663e689cf4aSJeff Kirsher mask = 1 << index; 2664e689cf4aSJeff Kirsher } else { 2665e689cf4aSJeff Kirsher reg = BMAC_ADDR_CMPEN; 2666e689cf4aSJeff Kirsher mask = 1 << (index + 1); 2667e689cf4aSJeff Kirsher } 2668e689cf4aSJeff Kirsher 2669e689cf4aSJeff Kirsher val = nr64_mac(reg); 2670e689cf4aSJeff Kirsher if (on) 2671e689cf4aSJeff Kirsher val |= mask; 2672e689cf4aSJeff Kirsher else 2673e689cf4aSJeff Kirsher val &= ~mask; 2674e689cf4aSJeff Kirsher nw64_mac(reg, val); 2675e689cf4aSJeff Kirsher 2676e689cf4aSJeff Kirsher return 0; 2677e689cf4aSJeff Kirsher } 2678e689cf4aSJeff Kirsher 2679e689cf4aSJeff Kirsher static void __set_rdc_table_num_hw(struct niu *np, unsigned long reg, 2680e689cf4aSJeff Kirsher int num, int mac_pref) 2681e689cf4aSJeff Kirsher { 2682e689cf4aSJeff Kirsher u64 val = nr64_mac(reg); 2683e689cf4aSJeff Kirsher val &= ~(HOST_INFO_MACRDCTBLN | HOST_INFO_MPR); 2684e689cf4aSJeff Kirsher val |= num; 2685e689cf4aSJeff Kirsher if (mac_pref) 2686e689cf4aSJeff Kirsher val |= HOST_INFO_MPR; 2687e689cf4aSJeff Kirsher nw64_mac(reg, val); 2688e689cf4aSJeff Kirsher } 2689e689cf4aSJeff Kirsher 2690e689cf4aSJeff Kirsher static int __set_rdc_table_num(struct niu *np, 2691e689cf4aSJeff Kirsher int xmac_index, int bmac_index, 2692e689cf4aSJeff Kirsher int rdc_table_num, int mac_pref) 2693e689cf4aSJeff Kirsher { 2694e689cf4aSJeff Kirsher unsigned long reg; 2695e689cf4aSJeff Kirsher 2696e689cf4aSJeff Kirsher if (rdc_table_num & ~HOST_INFO_MACRDCTBLN) 2697e689cf4aSJeff Kirsher return -EINVAL; 2698e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 2699e689cf4aSJeff Kirsher reg = XMAC_HOST_INFO(xmac_index); 2700e689cf4aSJeff Kirsher else 2701e689cf4aSJeff Kirsher reg = BMAC_HOST_INFO(bmac_index); 2702e689cf4aSJeff Kirsher __set_rdc_table_num_hw(np, reg, rdc_table_num, mac_pref); 2703e689cf4aSJeff Kirsher return 0; 2704e689cf4aSJeff Kirsher } 2705e689cf4aSJeff Kirsher 2706e689cf4aSJeff Kirsher static int niu_set_primary_mac_rdc_table(struct niu *np, int table_num, 2707e689cf4aSJeff Kirsher int mac_pref) 2708e689cf4aSJeff Kirsher { 2709e689cf4aSJeff Kirsher return __set_rdc_table_num(np, 17, 0, table_num, mac_pref); 2710e689cf4aSJeff Kirsher } 2711e689cf4aSJeff Kirsher 2712e689cf4aSJeff Kirsher static int niu_set_multicast_mac_rdc_table(struct niu *np, int table_num, 2713e689cf4aSJeff Kirsher int mac_pref) 2714e689cf4aSJeff Kirsher { 2715e689cf4aSJeff Kirsher return __set_rdc_table_num(np, 16, 8, table_num, mac_pref); 2716e689cf4aSJeff Kirsher } 2717e689cf4aSJeff Kirsher 2718e689cf4aSJeff Kirsher static int niu_set_alt_mac_rdc_table(struct niu *np, int idx, 2719e689cf4aSJeff Kirsher int table_num, int mac_pref) 2720e689cf4aSJeff Kirsher { 2721e689cf4aSJeff Kirsher if (idx >= niu_num_alt_addr(np)) 2722e689cf4aSJeff Kirsher return -EINVAL; 2723e689cf4aSJeff Kirsher return __set_rdc_table_num(np, idx, idx + 1, table_num, mac_pref); 2724e689cf4aSJeff Kirsher } 2725e689cf4aSJeff Kirsher 2726e689cf4aSJeff Kirsher static u64 vlan_entry_set_parity(u64 reg_val) 2727e689cf4aSJeff Kirsher { 2728e689cf4aSJeff Kirsher u64 port01_mask; 2729e689cf4aSJeff Kirsher u64 port23_mask; 2730e689cf4aSJeff Kirsher 2731e689cf4aSJeff Kirsher port01_mask = 0x00ff; 2732e689cf4aSJeff Kirsher port23_mask = 0xff00; 2733e689cf4aSJeff Kirsher 2734e689cf4aSJeff Kirsher if (hweight64(reg_val & port01_mask) & 1) 2735e689cf4aSJeff Kirsher reg_val |= ENET_VLAN_TBL_PARITY0; 2736e689cf4aSJeff Kirsher else 2737e689cf4aSJeff Kirsher reg_val &= ~ENET_VLAN_TBL_PARITY0; 2738e689cf4aSJeff Kirsher 2739e689cf4aSJeff Kirsher if (hweight64(reg_val & port23_mask) & 1) 2740e689cf4aSJeff Kirsher reg_val |= ENET_VLAN_TBL_PARITY1; 2741e689cf4aSJeff Kirsher else 2742e689cf4aSJeff Kirsher reg_val &= ~ENET_VLAN_TBL_PARITY1; 2743e689cf4aSJeff Kirsher 2744e689cf4aSJeff Kirsher return reg_val; 2745e689cf4aSJeff Kirsher } 2746e689cf4aSJeff Kirsher 2747e689cf4aSJeff Kirsher static void vlan_tbl_write(struct niu *np, unsigned long index, 2748e689cf4aSJeff Kirsher int port, int vpr, int rdc_table) 2749e689cf4aSJeff Kirsher { 2750e689cf4aSJeff Kirsher u64 reg_val = nr64(ENET_VLAN_TBL(index)); 2751e689cf4aSJeff Kirsher 2752e689cf4aSJeff Kirsher reg_val &= ~((ENET_VLAN_TBL_VPR | 2753e689cf4aSJeff Kirsher ENET_VLAN_TBL_VLANRDCTBLN) << 2754e689cf4aSJeff Kirsher ENET_VLAN_TBL_SHIFT(port)); 2755e689cf4aSJeff Kirsher if (vpr) 2756e689cf4aSJeff Kirsher reg_val |= (ENET_VLAN_TBL_VPR << 2757e689cf4aSJeff Kirsher ENET_VLAN_TBL_SHIFT(port)); 2758e689cf4aSJeff Kirsher reg_val |= (rdc_table << ENET_VLAN_TBL_SHIFT(port)); 2759e689cf4aSJeff Kirsher 2760e689cf4aSJeff Kirsher reg_val = vlan_entry_set_parity(reg_val); 2761e689cf4aSJeff Kirsher 2762e689cf4aSJeff Kirsher nw64(ENET_VLAN_TBL(index), reg_val); 2763e689cf4aSJeff Kirsher } 2764e689cf4aSJeff Kirsher 2765e689cf4aSJeff Kirsher static void vlan_tbl_clear(struct niu *np) 2766e689cf4aSJeff Kirsher { 2767e689cf4aSJeff Kirsher int i; 2768e689cf4aSJeff Kirsher 2769e689cf4aSJeff Kirsher for (i = 0; i < ENET_VLAN_TBL_NUM_ENTRIES; i++) 2770e689cf4aSJeff Kirsher nw64(ENET_VLAN_TBL(i), 0); 2771e689cf4aSJeff Kirsher } 2772e689cf4aSJeff Kirsher 2773e689cf4aSJeff Kirsher static int tcam_wait_bit(struct niu *np, u64 bit) 2774e689cf4aSJeff Kirsher { 2775e689cf4aSJeff Kirsher int limit = 1000; 2776e689cf4aSJeff Kirsher 2777e689cf4aSJeff Kirsher while (--limit > 0) { 2778e689cf4aSJeff Kirsher if (nr64(TCAM_CTL) & bit) 2779e689cf4aSJeff Kirsher break; 2780e689cf4aSJeff Kirsher udelay(1); 2781e689cf4aSJeff Kirsher } 2782e689cf4aSJeff Kirsher if (limit <= 0) 2783e689cf4aSJeff Kirsher return -ENODEV; 2784e689cf4aSJeff Kirsher 2785e689cf4aSJeff Kirsher return 0; 2786e689cf4aSJeff Kirsher } 2787e689cf4aSJeff Kirsher 2788e689cf4aSJeff Kirsher static int tcam_flush(struct niu *np, int index) 2789e689cf4aSJeff Kirsher { 2790e689cf4aSJeff Kirsher nw64(TCAM_KEY_0, 0x00); 2791e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_0, 0xff); 2792e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_WRITE | index)); 2793e689cf4aSJeff Kirsher 2794e689cf4aSJeff Kirsher return tcam_wait_bit(np, TCAM_CTL_STAT); 2795e689cf4aSJeff Kirsher } 2796e689cf4aSJeff Kirsher 2797e689cf4aSJeff Kirsher #if 0 2798e689cf4aSJeff Kirsher static int tcam_read(struct niu *np, int index, 2799e689cf4aSJeff Kirsher u64 *key, u64 *mask) 2800e689cf4aSJeff Kirsher { 2801e689cf4aSJeff Kirsher int err; 2802e689cf4aSJeff Kirsher 2803e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_READ | index)); 2804e689cf4aSJeff Kirsher err = tcam_wait_bit(np, TCAM_CTL_STAT); 2805e689cf4aSJeff Kirsher if (!err) { 2806e689cf4aSJeff Kirsher key[0] = nr64(TCAM_KEY_0); 2807e689cf4aSJeff Kirsher key[1] = nr64(TCAM_KEY_1); 2808e689cf4aSJeff Kirsher key[2] = nr64(TCAM_KEY_2); 2809e689cf4aSJeff Kirsher key[3] = nr64(TCAM_KEY_3); 2810e689cf4aSJeff Kirsher mask[0] = nr64(TCAM_KEY_MASK_0); 2811e689cf4aSJeff Kirsher mask[1] = nr64(TCAM_KEY_MASK_1); 2812e689cf4aSJeff Kirsher mask[2] = nr64(TCAM_KEY_MASK_2); 2813e689cf4aSJeff Kirsher mask[3] = nr64(TCAM_KEY_MASK_3); 2814e689cf4aSJeff Kirsher } 2815e689cf4aSJeff Kirsher return err; 2816e689cf4aSJeff Kirsher } 2817e689cf4aSJeff Kirsher #endif 2818e689cf4aSJeff Kirsher 2819e689cf4aSJeff Kirsher static int tcam_write(struct niu *np, int index, 2820e689cf4aSJeff Kirsher u64 *key, u64 *mask) 2821e689cf4aSJeff Kirsher { 2822e689cf4aSJeff Kirsher nw64(TCAM_KEY_0, key[0]); 2823e689cf4aSJeff Kirsher nw64(TCAM_KEY_1, key[1]); 2824e689cf4aSJeff Kirsher nw64(TCAM_KEY_2, key[2]); 2825e689cf4aSJeff Kirsher nw64(TCAM_KEY_3, key[3]); 2826e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_0, mask[0]); 2827e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_1, mask[1]); 2828e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_2, mask[2]); 2829e689cf4aSJeff Kirsher nw64(TCAM_KEY_MASK_3, mask[3]); 2830e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_WRITE | index)); 2831e689cf4aSJeff Kirsher 2832e689cf4aSJeff Kirsher return tcam_wait_bit(np, TCAM_CTL_STAT); 2833e689cf4aSJeff Kirsher } 2834e689cf4aSJeff Kirsher 2835e689cf4aSJeff Kirsher #if 0 2836e689cf4aSJeff Kirsher static int tcam_assoc_read(struct niu *np, int index, u64 *data) 2837e689cf4aSJeff Kirsher { 2838e689cf4aSJeff Kirsher int err; 2839e689cf4aSJeff Kirsher 2840e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_RAM_READ | index)); 2841e689cf4aSJeff Kirsher err = tcam_wait_bit(np, TCAM_CTL_STAT); 2842e689cf4aSJeff Kirsher if (!err) 2843e689cf4aSJeff Kirsher *data = nr64(TCAM_KEY_1); 2844e689cf4aSJeff Kirsher 2845e689cf4aSJeff Kirsher return err; 2846e689cf4aSJeff Kirsher } 2847e689cf4aSJeff Kirsher #endif 2848e689cf4aSJeff Kirsher 2849e689cf4aSJeff Kirsher static int tcam_assoc_write(struct niu *np, int index, u64 assoc_data) 2850e689cf4aSJeff Kirsher { 2851e689cf4aSJeff Kirsher nw64(TCAM_KEY_1, assoc_data); 2852e689cf4aSJeff Kirsher nw64(TCAM_CTL, (TCAM_CTL_RWC_RAM_WRITE | index)); 2853e689cf4aSJeff Kirsher 2854e689cf4aSJeff Kirsher return tcam_wait_bit(np, TCAM_CTL_STAT); 2855e689cf4aSJeff Kirsher } 2856e689cf4aSJeff Kirsher 2857e689cf4aSJeff Kirsher static void tcam_enable(struct niu *np, int on) 2858e689cf4aSJeff Kirsher { 2859e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 2860e689cf4aSJeff Kirsher 2861e689cf4aSJeff Kirsher if (on) 2862e689cf4aSJeff Kirsher val &= ~FFLP_CFG_1_TCAM_DIS; 2863e689cf4aSJeff Kirsher else 2864e689cf4aSJeff Kirsher val |= FFLP_CFG_1_TCAM_DIS; 2865e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 2866e689cf4aSJeff Kirsher } 2867e689cf4aSJeff Kirsher 2868e689cf4aSJeff Kirsher static void tcam_set_lat_and_ratio(struct niu *np, u64 latency, u64 ratio) 2869e689cf4aSJeff Kirsher { 2870e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 2871e689cf4aSJeff Kirsher 2872e689cf4aSJeff Kirsher val &= ~(FFLP_CFG_1_FFLPINITDONE | 2873e689cf4aSJeff Kirsher FFLP_CFG_1_CAMLAT | 2874e689cf4aSJeff Kirsher FFLP_CFG_1_CAMRATIO); 2875e689cf4aSJeff Kirsher val |= (latency << FFLP_CFG_1_CAMLAT_SHIFT); 2876e689cf4aSJeff Kirsher val |= (ratio << FFLP_CFG_1_CAMRATIO_SHIFT); 2877e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 2878e689cf4aSJeff Kirsher 2879e689cf4aSJeff Kirsher val = nr64(FFLP_CFG_1); 2880e689cf4aSJeff Kirsher val |= FFLP_CFG_1_FFLPINITDONE; 2881e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 2882e689cf4aSJeff Kirsher } 2883e689cf4aSJeff Kirsher 2884e689cf4aSJeff Kirsher static int tcam_user_eth_class_enable(struct niu *np, unsigned long class, 2885e689cf4aSJeff Kirsher int on) 2886e689cf4aSJeff Kirsher { 2887e689cf4aSJeff Kirsher unsigned long reg; 2888e689cf4aSJeff Kirsher u64 val; 2889e689cf4aSJeff Kirsher 2890e689cf4aSJeff Kirsher if (class < CLASS_CODE_ETHERTYPE1 || 2891e689cf4aSJeff Kirsher class > CLASS_CODE_ETHERTYPE2) 2892e689cf4aSJeff Kirsher return -EINVAL; 2893e689cf4aSJeff Kirsher 2894e689cf4aSJeff Kirsher reg = L2_CLS(class - CLASS_CODE_ETHERTYPE1); 2895e689cf4aSJeff Kirsher val = nr64(reg); 2896e689cf4aSJeff Kirsher if (on) 2897e689cf4aSJeff Kirsher val |= L2_CLS_VLD; 2898e689cf4aSJeff Kirsher else 2899e689cf4aSJeff Kirsher val &= ~L2_CLS_VLD; 2900e689cf4aSJeff Kirsher nw64(reg, val); 2901e689cf4aSJeff Kirsher 2902e689cf4aSJeff Kirsher return 0; 2903e689cf4aSJeff Kirsher } 2904e689cf4aSJeff Kirsher 2905e689cf4aSJeff Kirsher #if 0 2906e689cf4aSJeff Kirsher static int tcam_user_eth_class_set(struct niu *np, unsigned long class, 2907e689cf4aSJeff Kirsher u64 ether_type) 2908e689cf4aSJeff Kirsher { 2909e689cf4aSJeff Kirsher unsigned long reg; 2910e689cf4aSJeff Kirsher u64 val; 2911e689cf4aSJeff Kirsher 2912e689cf4aSJeff Kirsher if (class < CLASS_CODE_ETHERTYPE1 || 2913e689cf4aSJeff Kirsher class > CLASS_CODE_ETHERTYPE2 || 2914e689cf4aSJeff Kirsher (ether_type & ~(u64)0xffff) != 0) 2915e689cf4aSJeff Kirsher return -EINVAL; 2916e689cf4aSJeff Kirsher 2917e689cf4aSJeff Kirsher reg = L2_CLS(class - CLASS_CODE_ETHERTYPE1); 2918e689cf4aSJeff Kirsher val = nr64(reg); 2919e689cf4aSJeff Kirsher val &= ~L2_CLS_ETYPE; 2920e689cf4aSJeff Kirsher val |= (ether_type << L2_CLS_ETYPE_SHIFT); 2921e689cf4aSJeff Kirsher nw64(reg, val); 2922e689cf4aSJeff Kirsher 2923e689cf4aSJeff Kirsher return 0; 2924e689cf4aSJeff Kirsher } 2925e689cf4aSJeff Kirsher #endif 2926e689cf4aSJeff Kirsher 2927e689cf4aSJeff Kirsher static int tcam_user_ip_class_enable(struct niu *np, unsigned long class, 2928e689cf4aSJeff Kirsher int on) 2929e689cf4aSJeff Kirsher { 2930e689cf4aSJeff Kirsher unsigned long reg; 2931e689cf4aSJeff Kirsher u64 val; 2932e689cf4aSJeff Kirsher 2933e689cf4aSJeff Kirsher if (class < CLASS_CODE_USER_PROG1 || 2934e689cf4aSJeff Kirsher class > CLASS_CODE_USER_PROG4) 2935e689cf4aSJeff Kirsher return -EINVAL; 2936e689cf4aSJeff Kirsher 2937e689cf4aSJeff Kirsher reg = L3_CLS(class - CLASS_CODE_USER_PROG1); 2938e689cf4aSJeff Kirsher val = nr64(reg); 2939e689cf4aSJeff Kirsher if (on) 2940e689cf4aSJeff Kirsher val |= L3_CLS_VALID; 2941e689cf4aSJeff Kirsher else 2942e689cf4aSJeff Kirsher val &= ~L3_CLS_VALID; 2943e689cf4aSJeff Kirsher nw64(reg, val); 2944e689cf4aSJeff Kirsher 2945e689cf4aSJeff Kirsher return 0; 2946e689cf4aSJeff Kirsher } 2947e689cf4aSJeff Kirsher 2948e689cf4aSJeff Kirsher static int tcam_user_ip_class_set(struct niu *np, unsigned long class, 2949e689cf4aSJeff Kirsher int ipv6, u64 protocol_id, 2950e689cf4aSJeff Kirsher u64 tos_mask, u64 tos_val) 2951e689cf4aSJeff Kirsher { 2952e689cf4aSJeff Kirsher unsigned long reg; 2953e689cf4aSJeff Kirsher u64 val; 2954e689cf4aSJeff Kirsher 2955e689cf4aSJeff Kirsher if (class < CLASS_CODE_USER_PROG1 || 2956e689cf4aSJeff Kirsher class > CLASS_CODE_USER_PROG4 || 2957e689cf4aSJeff Kirsher (protocol_id & ~(u64)0xff) != 0 || 2958e689cf4aSJeff Kirsher (tos_mask & ~(u64)0xff) != 0 || 2959e689cf4aSJeff Kirsher (tos_val & ~(u64)0xff) != 0) 2960e689cf4aSJeff Kirsher return -EINVAL; 2961e689cf4aSJeff Kirsher 2962e689cf4aSJeff Kirsher reg = L3_CLS(class - CLASS_CODE_USER_PROG1); 2963e689cf4aSJeff Kirsher val = nr64(reg); 2964e689cf4aSJeff Kirsher val &= ~(L3_CLS_IPVER | L3_CLS_PID | 2965e689cf4aSJeff Kirsher L3_CLS_TOSMASK | L3_CLS_TOS); 2966e689cf4aSJeff Kirsher if (ipv6) 2967e689cf4aSJeff Kirsher val |= L3_CLS_IPVER; 2968e689cf4aSJeff Kirsher val |= (protocol_id << L3_CLS_PID_SHIFT); 2969e689cf4aSJeff Kirsher val |= (tos_mask << L3_CLS_TOSMASK_SHIFT); 2970e689cf4aSJeff Kirsher val |= (tos_val << L3_CLS_TOS_SHIFT); 2971e689cf4aSJeff Kirsher nw64(reg, val); 2972e689cf4aSJeff Kirsher 2973e689cf4aSJeff Kirsher return 0; 2974e689cf4aSJeff Kirsher } 2975e689cf4aSJeff Kirsher 2976e689cf4aSJeff Kirsher static int tcam_early_init(struct niu *np) 2977e689cf4aSJeff Kirsher { 2978e689cf4aSJeff Kirsher unsigned long i; 2979e689cf4aSJeff Kirsher int err; 2980e689cf4aSJeff Kirsher 2981e689cf4aSJeff Kirsher tcam_enable(np, 0); 2982e689cf4aSJeff Kirsher tcam_set_lat_and_ratio(np, 2983e689cf4aSJeff Kirsher DEFAULT_TCAM_LATENCY, 2984e689cf4aSJeff Kirsher DEFAULT_TCAM_ACCESS_RATIO); 2985e689cf4aSJeff Kirsher for (i = CLASS_CODE_ETHERTYPE1; i <= CLASS_CODE_ETHERTYPE2; i++) { 2986e689cf4aSJeff Kirsher err = tcam_user_eth_class_enable(np, i, 0); 2987e689cf4aSJeff Kirsher if (err) 2988e689cf4aSJeff Kirsher return err; 2989e689cf4aSJeff Kirsher } 2990e689cf4aSJeff Kirsher for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_USER_PROG4; i++) { 2991e689cf4aSJeff Kirsher err = tcam_user_ip_class_enable(np, i, 0); 2992e689cf4aSJeff Kirsher if (err) 2993e689cf4aSJeff Kirsher return err; 2994e689cf4aSJeff Kirsher } 2995e689cf4aSJeff Kirsher 2996e689cf4aSJeff Kirsher return 0; 2997e689cf4aSJeff Kirsher } 2998e689cf4aSJeff Kirsher 2999e689cf4aSJeff Kirsher static int tcam_flush_all(struct niu *np) 3000e689cf4aSJeff Kirsher { 3001e689cf4aSJeff Kirsher unsigned long i; 3002e689cf4aSJeff Kirsher 3003e689cf4aSJeff Kirsher for (i = 0; i < np->parent->tcam_num_entries; i++) { 3004e689cf4aSJeff Kirsher int err = tcam_flush(np, i); 3005e689cf4aSJeff Kirsher if (err) 3006e689cf4aSJeff Kirsher return err; 3007e689cf4aSJeff Kirsher } 3008e689cf4aSJeff Kirsher return 0; 3009e689cf4aSJeff Kirsher } 3010e689cf4aSJeff Kirsher 3011e689cf4aSJeff Kirsher static u64 hash_addr_regval(unsigned long index, unsigned long num_entries) 3012e689cf4aSJeff Kirsher { 3013e689cf4aSJeff Kirsher return (u64)index | (num_entries == 1 ? HASH_TBL_ADDR_AUTOINC : 0); 3014e689cf4aSJeff Kirsher } 3015e689cf4aSJeff Kirsher 3016e689cf4aSJeff Kirsher #if 0 3017e689cf4aSJeff Kirsher static int hash_read(struct niu *np, unsigned long partition, 3018e689cf4aSJeff Kirsher unsigned long index, unsigned long num_entries, 3019e689cf4aSJeff Kirsher u64 *data) 3020e689cf4aSJeff Kirsher { 3021e689cf4aSJeff Kirsher u64 val = hash_addr_regval(index, num_entries); 3022e689cf4aSJeff Kirsher unsigned long i; 3023e689cf4aSJeff Kirsher 3024e689cf4aSJeff Kirsher if (partition >= FCRAM_NUM_PARTITIONS || 3025e689cf4aSJeff Kirsher index + num_entries > FCRAM_SIZE) 3026e689cf4aSJeff Kirsher return -EINVAL; 3027e689cf4aSJeff Kirsher 3028e689cf4aSJeff Kirsher nw64(HASH_TBL_ADDR(partition), val); 3029e689cf4aSJeff Kirsher for (i = 0; i < num_entries; i++) 3030e689cf4aSJeff Kirsher data[i] = nr64(HASH_TBL_DATA(partition)); 3031e689cf4aSJeff Kirsher 3032e689cf4aSJeff Kirsher return 0; 3033e689cf4aSJeff Kirsher } 3034e689cf4aSJeff Kirsher #endif 3035e689cf4aSJeff Kirsher 3036e689cf4aSJeff Kirsher static int hash_write(struct niu *np, unsigned long partition, 3037e689cf4aSJeff Kirsher unsigned long index, unsigned long num_entries, 3038e689cf4aSJeff Kirsher u64 *data) 3039e689cf4aSJeff Kirsher { 3040e689cf4aSJeff Kirsher u64 val = hash_addr_regval(index, num_entries); 3041e689cf4aSJeff Kirsher unsigned long i; 3042e689cf4aSJeff Kirsher 3043e689cf4aSJeff Kirsher if (partition >= FCRAM_NUM_PARTITIONS || 3044e689cf4aSJeff Kirsher index + (num_entries * 8) > FCRAM_SIZE) 3045e689cf4aSJeff Kirsher return -EINVAL; 3046e689cf4aSJeff Kirsher 3047e689cf4aSJeff Kirsher nw64(HASH_TBL_ADDR(partition), val); 3048e689cf4aSJeff Kirsher for (i = 0; i < num_entries; i++) 3049e689cf4aSJeff Kirsher nw64(HASH_TBL_DATA(partition), data[i]); 3050e689cf4aSJeff Kirsher 3051e689cf4aSJeff Kirsher return 0; 3052e689cf4aSJeff Kirsher } 3053e689cf4aSJeff Kirsher 3054e689cf4aSJeff Kirsher static void fflp_reset(struct niu *np) 3055e689cf4aSJeff Kirsher { 3056e689cf4aSJeff Kirsher u64 val; 3057e689cf4aSJeff Kirsher 3058e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, FFLP_CFG_1_PIO_FIO_RST); 3059e689cf4aSJeff Kirsher udelay(10); 3060e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, 0); 3061e689cf4aSJeff Kirsher 3062e689cf4aSJeff Kirsher val = FFLP_CFG_1_FCRAMOUTDR_NORMAL | FFLP_CFG_1_FFLPINITDONE; 3063e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3064e689cf4aSJeff Kirsher } 3065e689cf4aSJeff Kirsher 3066e689cf4aSJeff Kirsher static void fflp_set_timings(struct niu *np) 3067e689cf4aSJeff Kirsher { 3068e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 3069e689cf4aSJeff Kirsher 3070e689cf4aSJeff Kirsher val &= ~FFLP_CFG_1_FFLPINITDONE; 3071e689cf4aSJeff Kirsher val |= (DEFAULT_FCRAMRATIO << FFLP_CFG_1_FCRAMRATIO_SHIFT); 3072e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3073e689cf4aSJeff Kirsher 3074e689cf4aSJeff Kirsher val = nr64(FFLP_CFG_1); 3075e689cf4aSJeff Kirsher val |= FFLP_CFG_1_FFLPINITDONE; 3076e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3077e689cf4aSJeff Kirsher 3078e689cf4aSJeff Kirsher val = nr64(FCRAM_REF_TMR); 3079e689cf4aSJeff Kirsher val &= ~(FCRAM_REF_TMR_MAX | FCRAM_REF_TMR_MIN); 3080e689cf4aSJeff Kirsher val |= (DEFAULT_FCRAM_REFRESH_MAX << FCRAM_REF_TMR_MAX_SHIFT); 3081e689cf4aSJeff Kirsher val |= (DEFAULT_FCRAM_REFRESH_MIN << FCRAM_REF_TMR_MIN_SHIFT); 3082e689cf4aSJeff Kirsher nw64(FCRAM_REF_TMR, val); 3083e689cf4aSJeff Kirsher } 3084e689cf4aSJeff Kirsher 3085e689cf4aSJeff Kirsher static int fflp_set_partition(struct niu *np, u64 partition, 3086e689cf4aSJeff Kirsher u64 mask, u64 base, int enable) 3087e689cf4aSJeff Kirsher { 3088e689cf4aSJeff Kirsher unsigned long reg; 3089e689cf4aSJeff Kirsher u64 val; 3090e689cf4aSJeff Kirsher 3091e689cf4aSJeff Kirsher if (partition >= FCRAM_NUM_PARTITIONS || 3092e689cf4aSJeff Kirsher (mask & ~(u64)0x1f) != 0 || 3093e689cf4aSJeff Kirsher (base & ~(u64)0x1f) != 0) 3094e689cf4aSJeff Kirsher return -EINVAL; 3095e689cf4aSJeff Kirsher 3096e689cf4aSJeff Kirsher reg = FLW_PRT_SEL(partition); 3097e689cf4aSJeff Kirsher 3098e689cf4aSJeff Kirsher val = nr64(reg); 3099e689cf4aSJeff Kirsher val &= ~(FLW_PRT_SEL_EXT | FLW_PRT_SEL_MASK | FLW_PRT_SEL_BASE); 3100e689cf4aSJeff Kirsher val |= (mask << FLW_PRT_SEL_MASK_SHIFT); 3101e689cf4aSJeff Kirsher val |= (base << FLW_PRT_SEL_BASE_SHIFT); 3102e689cf4aSJeff Kirsher if (enable) 3103e689cf4aSJeff Kirsher val |= FLW_PRT_SEL_EXT; 3104e689cf4aSJeff Kirsher nw64(reg, val); 3105e689cf4aSJeff Kirsher 3106e689cf4aSJeff Kirsher return 0; 3107e689cf4aSJeff Kirsher } 3108e689cf4aSJeff Kirsher 3109e689cf4aSJeff Kirsher static int fflp_disable_all_partitions(struct niu *np) 3110e689cf4aSJeff Kirsher { 3111e689cf4aSJeff Kirsher unsigned long i; 3112e689cf4aSJeff Kirsher 3113e689cf4aSJeff Kirsher for (i = 0; i < FCRAM_NUM_PARTITIONS; i++) { 3114e689cf4aSJeff Kirsher int err = fflp_set_partition(np, 0, 0, 0, 0); 3115e689cf4aSJeff Kirsher if (err) 3116e689cf4aSJeff Kirsher return err; 3117e689cf4aSJeff Kirsher } 3118e689cf4aSJeff Kirsher return 0; 3119e689cf4aSJeff Kirsher } 3120e689cf4aSJeff Kirsher 3121e689cf4aSJeff Kirsher static void fflp_llcsnap_enable(struct niu *np, int on) 3122e689cf4aSJeff Kirsher { 3123e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 3124e689cf4aSJeff Kirsher 3125e689cf4aSJeff Kirsher if (on) 3126e689cf4aSJeff Kirsher val |= FFLP_CFG_1_LLCSNAP; 3127e689cf4aSJeff Kirsher else 3128e689cf4aSJeff Kirsher val &= ~FFLP_CFG_1_LLCSNAP; 3129e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3130e689cf4aSJeff Kirsher } 3131e689cf4aSJeff Kirsher 3132e689cf4aSJeff Kirsher static void fflp_errors_enable(struct niu *np, int on) 3133e689cf4aSJeff Kirsher { 3134e689cf4aSJeff Kirsher u64 val = nr64(FFLP_CFG_1); 3135e689cf4aSJeff Kirsher 3136e689cf4aSJeff Kirsher if (on) 3137e689cf4aSJeff Kirsher val &= ~FFLP_CFG_1_ERRORDIS; 3138e689cf4aSJeff Kirsher else 3139e689cf4aSJeff Kirsher val |= FFLP_CFG_1_ERRORDIS; 3140e689cf4aSJeff Kirsher nw64(FFLP_CFG_1, val); 3141e689cf4aSJeff Kirsher } 3142e689cf4aSJeff Kirsher 3143e689cf4aSJeff Kirsher static int fflp_hash_clear(struct niu *np) 3144e689cf4aSJeff Kirsher { 3145e689cf4aSJeff Kirsher struct fcram_hash_ipv4 ent; 3146e689cf4aSJeff Kirsher unsigned long i; 3147e689cf4aSJeff Kirsher 3148e689cf4aSJeff Kirsher /* IPV4 hash entry with valid bit clear, rest is don't care. */ 3149e689cf4aSJeff Kirsher memset(&ent, 0, sizeof(ent)); 3150e689cf4aSJeff Kirsher ent.header = HASH_HEADER_EXT; 3151e689cf4aSJeff Kirsher 3152e689cf4aSJeff Kirsher for (i = 0; i < FCRAM_SIZE; i += sizeof(ent)) { 3153e689cf4aSJeff Kirsher int err = hash_write(np, 0, i, 1, (u64 *) &ent); 3154e689cf4aSJeff Kirsher if (err) 3155e689cf4aSJeff Kirsher return err; 3156e689cf4aSJeff Kirsher } 3157e689cf4aSJeff Kirsher return 0; 3158e689cf4aSJeff Kirsher } 3159e689cf4aSJeff Kirsher 3160e689cf4aSJeff Kirsher static int fflp_early_init(struct niu *np) 3161e689cf4aSJeff Kirsher { 3162e689cf4aSJeff Kirsher struct niu_parent *parent; 3163e689cf4aSJeff Kirsher unsigned long flags; 3164e689cf4aSJeff Kirsher int err; 3165e689cf4aSJeff Kirsher 3166e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 3167e689cf4aSJeff Kirsher 3168e689cf4aSJeff Kirsher parent = np->parent; 3169e689cf4aSJeff Kirsher err = 0; 3170e689cf4aSJeff Kirsher if (!(parent->flags & PARENT_FLGS_CLS_HWINIT)) { 3171e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 3172e689cf4aSJeff Kirsher fflp_reset(np); 3173e689cf4aSJeff Kirsher fflp_set_timings(np); 3174e689cf4aSJeff Kirsher err = fflp_disable_all_partitions(np); 3175e689cf4aSJeff Kirsher if (err) { 3176e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 3177e689cf4aSJeff Kirsher "fflp_disable_all_partitions failed, err=%d\n", 3178e689cf4aSJeff Kirsher err); 3179e689cf4aSJeff Kirsher goto out; 3180e689cf4aSJeff Kirsher } 3181e689cf4aSJeff Kirsher } 3182e689cf4aSJeff Kirsher 3183e689cf4aSJeff Kirsher err = tcam_early_init(np); 3184e689cf4aSJeff Kirsher if (err) { 3185e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 3186e689cf4aSJeff Kirsher "tcam_early_init failed, err=%d\n", err); 3187e689cf4aSJeff Kirsher goto out; 3188e689cf4aSJeff Kirsher } 3189e689cf4aSJeff Kirsher fflp_llcsnap_enable(np, 1); 3190e689cf4aSJeff Kirsher fflp_errors_enable(np, 0); 3191e689cf4aSJeff Kirsher nw64(H1POLY, 0); 3192e689cf4aSJeff Kirsher nw64(H2POLY, 0); 3193e689cf4aSJeff Kirsher 3194e689cf4aSJeff Kirsher err = tcam_flush_all(np); 3195e689cf4aSJeff Kirsher if (err) { 3196e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 3197e689cf4aSJeff Kirsher "tcam_flush_all failed, err=%d\n", err); 3198e689cf4aSJeff Kirsher goto out; 3199e689cf4aSJeff Kirsher } 3200e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 3201e689cf4aSJeff Kirsher err = fflp_hash_clear(np); 3202e689cf4aSJeff Kirsher if (err) { 3203e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 3204e689cf4aSJeff Kirsher "fflp_hash_clear failed, err=%d\n", 3205e689cf4aSJeff Kirsher err); 3206e689cf4aSJeff Kirsher goto out; 3207e689cf4aSJeff Kirsher } 3208e689cf4aSJeff Kirsher } 3209e689cf4aSJeff Kirsher 3210e689cf4aSJeff Kirsher vlan_tbl_clear(np); 3211e689cf4aSJeff Kirsher 3212e689cf4aSJeff Kirsher parent->flags |= PARENT_FLGS_CLS_HWINIT; 3213e689cf4aSJeff Kirsher } 3214e689cf4aSJeff Kirsher out: 3215e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 3216e689cf4aSJeff Kirsher return err; 3217e689cf4aSJeff Kirsher } 3218e689cf4aSJeff Kirsher 3219e689cf4aSJeff Kirsher static int niu_set_flow_key(struct niu *np, unsigned long class_code, u64 key) 3220e689cf4aSJeff Kirsher { 3221e689cf4aSJeff Kirsher if (class_code < CLASS_CODE_USER_PROG1 || 3222e689cf4aSJeff Kirsher class_code > CLASS_CODE_SCTP_IPV6) 3223e689cf4aSJeff Kirsher return -EINVAL; 3224e689cf4aSJeff Kirsher 3225e689cf4aSJeff Kirsher nw64(FLOW_KEY(class_code - CLASS_CODE_USER_PROG1), key); 3226e689cf4aSJeff Kirsher return 0; 3227e689cf4aSJeff Kirsher } 3228e689cf4aSJeff Kirsher 3229e689cf4aSJeff Kirsher static int niu_set_tcam_key(struct niu *np, unsigned long class_code, u64 key) 3230e689cf4aSJeff Kirsher { 3231e689cf4aSJeff Kirsher if (class_code < CLASS_CODE_USER_PROG1 || 3232e689cf4aSJeff Kirsher class_code > CLASS_CODE_SCTP_IPV6) 3233e689cf4aSJeff Kirsher return -EINVAL; 3234e689cf4aSJeff Kirsher 3235e689cf4aSJeff Kirsher nw64(TCAM_KEY(class_code - CLASS_CODE_USER_PROG1), key); 3236e689cf4aSJeff Kirsher return 0; 3237e689cf4aSJeff Kirsher } 3238e689cf4aSJeff Kirsher 3239e689cf4aSJeff Kirsher /* Entries for the ports are interleaved in the TCAM */ 3240e689cf4aSJeff Kirsher static u16 tcam_get_index(struct niu *np, u16 idx) 3241e689cf4aSJeff Kirsher { 3242e689cf4aSJeff Kirsher /* One entry reserved for IP fragment rule */ 3243e689cf4aSJeff Kirsher if (idx >= (np->clas.tcam_sz - 1)) 3244e689cf4aSJeff Kirsher idx = 0; 3245e689cf4aSJeff Kirsher return np->clas.tcam_top + ((idx+1) * np->parent->num_ports); 3246e689cf4aSJeff Kirsher } 3247e689cf4aSJeff Kirsher 3248e689cf4aSJeff Kirsher static u16 tcam_get_size(struct niu *np) 3249e689cf4aSJeff Kirsher { 3250e689cf4aSJeff Kirsher /* One entry reserved for IP fragment rule */ 3251e689cf4aSJeff Kirsher return np->clas.tcam_sz - 1; 3252e689cf4aSJeff Kirsher } 3253e689cf4aSJeff Kirsher 3254e689cf4aSJeff Kirsher static u16 tcam_get_valid_entry_cnt(struct niu *np) 3255e689cf4aSJeff Kirsher { 3256e689cf4aSJeff Kirsher /* One entry reserved for IP fragment rule */ 3257e689cf4aSJeff Kirsher return np->clas.tcam_valid_entries - 1; 3258e689cf4aSJeff Kirsher } 3259e689cf4aSJeff Kirsher 3260e689cf4aSJeff Kirsher static void niu_rx_skb_append(struct sk_buff *skb, struct page *page, 3261e7e5a403SEric Dumazet u32 offset, u32 size, u32 truesize) 3262e689cf4aSJeff Kirsher { 3263e7e5a403SEric Dumazet skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, page, offset, size); 3264e689cf4aSJeff Kirsher 3265e689cf4aSJeff Kirsher skb->len += size; 3266e689cf4aSJeff Kirsher skb->data_len += size; 3267e7e5a403SEric Dumazet skb->truesize += truesize; 3268e689cf4aSJeff Kirsher } 3269e689cf4aSJeff Kirsher 3270e689cf4aSJeff Kirsher static unsigned int niu_hash_rxaddr(struct rx_ring_info *rp, u64 a) 3271e689cf4aSJeff Kirsher { 3272e689cf4aSJeff Kirsher a >>= PAGE_SHIFT; 3273e689cf4aSJeff Kirsher a ^= (a >> ilog2(MAX_RBR_RING_SIZE)); 3274e689cf4aSJeff Kirsher 3275e689cf4aSJeff Kirsher return a & (MAX_RBR_RING_SIZE - 1); 3276e689cf4aSJeff Kirsher } 3277e689cf4aSJeff Kirsher 3278e689cf4aSJeff Kirsher static struct page *niu_find_rxpage(struct rx_ring_info *rp, u64 addr, 3279e689cf4aSJeff Kirsher struct page ***link) 3280e689cf4aSJeff Kirsher { 3281e689cf4aSJeff Kirsher unsigned int h = niu_hash_rxaddr(rp, addr); 3282e689cf4aSJeff Kirsher struct page *p, **pp; 3283e689cf4aSJeff Kirsher 3284e689cf4aSJeff Kirsher addr &= PAGE_MASK; 3285e689cf4aSJeff Kirsher pp = &rp->rxhash[h]; 3286e689cf4aSJeff Kirsher for (; (p = *pp) != NULL; pp = (struct page **) &p->mapping) { 3287e689cf4aSJeff Kirsher if (p->index == addr) { 3288e689cf4aSJeff Kirsher *link = pp; 3289e689cf4aSJeff Kirsher goto found; 3290e689cf4aSJeff Kirsher } 3291e689cf4aSJeff Kirsher } 3292e689cf4aSJeff Kirsher BUG(); 3293e689cf4aSJeff Kirsher 3294e689cf4aSJeff Kirsher found: 3295e689cf4aSJeff Kirsher return p; 3296e689cf4aSJeff Kirsher } 3297e689cf4aSJeff Kirsher 3298e689cf4aSJeff Kirsher static void niu_hash_page(struct rx_ring_info *rp, struct page *page, u64 base) 3299e689cf4aSJeff Kirsher { 3300e689cf4aSJeff Kirsher unsigned int h = niu_hash_rxaddr(rp, base); 3301e689cf4aSJeff Kirsher 3302e689cf4aSJeff Kirsher page->index = base; 3303e689cf4aSJeff Kirsher page->mapping = (struct address_space *) rp->rxhash[h]; 3304e689cf4aSJeff Kirsher rp->rxhash[h] = page; 3305e689cf4aSJeff Kirsher } 3306e689cf4aSJeff Kirsher 3307e689cf4aSJeff Kirsher static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp, 3308e689cf4aSJeff Kirsher gfp_t mask, int start_index) 3309e689cf4aSJeff Kirsher { 3310e689cf4aSJeff Kirsher struct page *page; 3311e689cf4aSJeff Kirsher u64 addr; 3312e689cf4aSJeff Kirsher int i; 3313e689cf4aSJeff Kirsher 3314e689cf4aSJeff Kirsher page = alloc_page(mask); 3315e689cf4aSJeff Kirsher if (!page) 3316e689cf4aSJeff Kirsher return -ENOMEM; 3317e689cf4aSJeff Kirsher 3318e689cf4aSJeff Kirsher addr = np->ops->map_page(np->device, page, 0, 3319e689cf4aSJeff Kirsher PAGE_SIZE, DMA_FROM_DEVICE); 3320ec2deec1SShuah Khan if (!addr) { 3321ec2deec1SShuah Khan __free_page(page); 3322ec2deec1SShuah Khan return -ENOMEM; 3323ec2deec1SShuah Khan } 3324e689cf4aSJeff Kirsher 3325e689cf4aSJeff Kirsher niu_hash_page(rp, page, addr); 3326e689cf4aSJeff Kirsher if (rp->rbr_blocks_per_page > 1) 3327fe896d18SJoonsoo Kim page_ref_add(page, rp->rbr_blocks_per_page - 1); 3328e689cf4aSJeff Kirsher 3329e689cf4aSJeff Kirsher for (i = 0; i < rp->rbr_blocks_per_page; i++) { 3330e689cf4aSJeff Kirsher __le32 *rbr = &rp->rbr[start_index + i]; 3331e689cf4aSJeff Kirsher 3332e689cf4aSJeff Kirsher *rbr = cpu_to_le32(addr >> RBR_DESCR_ADDR_SHIFT); 3333e689cf4aSJeff Kirsher addr += rp->rbr_block_size; 3334e689cf4aSJeff Kirsher } 3335e689cf4aSJeff Kirsher 3336e689cf4aSJeff Kirsher return 0; 3337e689cf4aSJeff Kirsher } 3338e689cf4aSJeff Kirsher 3339e689cf4aSJeff Kirsher static void niu_rbr_refill(struct niu *np, struct rx_ring_info *rp, gfp_t mask) 3340e689cf4aSJeff Kirsher { 3341e689cf4aSJeff Kirsher int index = rp->rbr_index; 3342e689cf4aSJeff Kirsher 3343e689cf4aSJeff Kirsher rp->rbr_pending++; 3344e689cf4aSJeff Kirsher if ((rp->rbr_pending % rp->rbr_blocks_per_page) == 0) { 3345e689cf4aSJeff Kirsher int err = niu_rbr_add_page(np, rp, mask, index); 3346e689cf4aSJeff Kirsher 3347e689cf4aSJeff Kirsher if (unlikely(err)) { 3348e689cf4aSJeff Kirsher rp->rbr_pending--; 3349e689cf4aSJeff Kirsher return; 3350e689cf4aSJeff Kirsher } 3351e689cf4aSJeff Kirsher 3352e689cf4aSJeff Kirsher rp->rbr_index += rp->rbr_blocks_per_page; 3353e689cf4aSJeff Kirsher BUG_ON(rp->rbr_index > rp->rbr_table_size); 3354e689cf4aSJeff Kirsher if (rp->rbr_index == rp->rbr_table_size) 3355e689cf4aSJeff Kirsher rp->rbr_index = 0; 3356e689cf4aSJeff Kirsher 3357e689cf4aSJeff Kirsher if (rp->rbr_pending >= rp->rbr_kick_thresh) { 3358e689cf4aSJeff Kirsher nw64(RBR_KICK(rp->rx_channel), rp->rbr_pending); 3359e689cf4aSJeff Kirsher rp->rbr_pending = 0; 3360e689cf4aSJeff Kirsher } 3361e689cf4aSJeff Kirsher } 3362e689cf4aSJeff Kirsher } 3363e689cf4aSJeff Kirsher 3364e689cf4aSJeff Kirsher static int niu_rx_pkt_ignore(struct niu *np, struct rx_ring_info *rp) 3365e689cf4aSJeff Kirsher { 3366e689cf4aSJeff Kirsher unsigned int index = rp->rcr_index; 3367e689cf4aSJeff Kirsher int num_rcr = 0; 3368e689cf4aSJeff Kirsher 3369e689cf4aSJeff Kirsher rp->rx_dropped++; 3370e689cf4aSJeff Kirsher while (1) { 3371e689cf4aSJeff Kirsher struct page *page, **link; 3372e689cf4aSJeff Kirsher u64 addr, val; 3373e689cf4aSJeff Kirsher u32 rcr_size; 3374e689cf4aSJeff Kirsher 3375e689cf4aSJeff Kirsher num_rcr++; 3376e689cf4aSJeff Kirsher 3377e689cf4aSJeff Kirsher val = le64_to_cpup(&rp->rcr[index]); 3378e689cf4aSJeff Kirsher addr = (val & RCR_ENTRY_PKT_BUF_ADDR) << 3379e689cf4aSJeff Kirsher RCR_ENTRY_PKT_BUF_ADDR_SHIFT; 3380e689cf4aSJeff Kirsher page = niu_find_rxpage(rp, addr, &link); 3381e689cf4aSJeff Kirsher 3382e689cf4aSJeff Kirsher rcr_size = rp->rbr_sizes[(val & RCR_ENTRY_PKTBUFSZ) >> 3383e689cf4aSJeff Kirsher RCR_ENTRY_PKTBUFSZ_SHIFT]; 3384e689cf4aSJeff Kirsher if ((page->index + PAGE_SIZE) - rcr_size == addr) { 3385e689cf4aSJeff Kirsher *link = (struct page *) page->mapping; 3386e689cf4aSJeff Kirsher np->ops->unmap_page(np->device, page->index, 3387e689cf4aSJeff Kirsher PAGE_SIZE, DMA_FROM_DEVICE); 3388e689cf4aSJeff Kirsher page->index = 0; 3389e689cf4aSJeff Kirsher page->mapping = NULL; 3390e689cf4aSJeff Kirsher __free_page(page); 3391e689cf4aSJeff Kirsher rp->rbr_refill_pending++; 3392e689cf4aSJeff Kirsher } 3393e689cf4aSJeff Kirsher 3394e689cf4aSJeff Kirsher index = NEXT_RCR(rp, index); 3395e689cf4aSJeff Kirsher if (!(val & RCR_ENTRY_MULTI)) 3396e689cf4aSJeff Kirsher break; 3397e689cf4aSJeff Kirsher 3398e689cf4aSJeff Kirsher } 3399e689cf4aSJeff Kirsher rp->rcr_index = index; 3400e689cf4aSJeff Kirsher 3401e689cf4aSJeff Kirsher return num_rcr; 3402e689cf4aSJeff Kirsher } 3403e689cf4aSJeff Kirsher 3404e689cf4aSJeff Kirsher static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np, 3405e689cf4aSJeff Kirsher struct rx_ring_info *rp) 3406e689cf4aSJeff Kirsher { 3407e689cf4aSJeff Kirsher unsigned int index = rp->rcr_index; 3408e689cf4aSJeff Kirsher struct rx_pkt_hdr1 *rh; 3409e689cf4aSJeff Kirsher struct sk_buff *skb; 3410e689cf4aSJeff Kirsher int len, num_rcr; 3411e689cf4aSJeff Kirsher 3412e689cf4aSJeff Kirsher skb = netdev_alloc_skb(np->dev, RX_SKB_ALLOC_SIZE); 3413e689cf4aSJeff Kirsher if (unlikely(!skb)) 3414e689cf4aSJeff Kirsher return niu_rx_pkt_ignore(np, rp); 3415e689cf4aSJeff Kirsher 3416e689cf4aSJeff Kirsher num_rcr = 0; 3417e689cf4aSJeff Kirsher while (1) { 3418e689cf4aSJeff Kirsher struct page *page, **link; 3419e689cf4aSJeff Kirsher u32 rcr_size, append_size; 3420e689cf4aSJeff Kirsher u64 addr, val, off; 3421e689cf4aSJeff Kirsher 3422e689cf4aSJeff Kirsher num_rcr++; 3423e689cf4aSJeff Kirsher 3424e689cf4aSJeff Kirsher val = le64_to_cpup(&rp->rcr[index]); 3425e689cf4aSJeff Kirsher 3426e689cf4aSJeff Kirsher len = (val & RCR_ENTRY_L2_LEN) >> 3427e689cf4aSJeff Kirsher RCR_ENTRY_L2_LEN_SHIFT; 342814224923SRob Taglang append_size = len + ETH_HLEN + ETH_FCS_LEN; 3429e689cf4aSJeff Kirsher 3430e689cf4aSJeff Kirsher addr = (val & RCR_ENTRY_PKT_BUF_ADDR) << 3431e689cf4aSJeff Kirsher RCR_ENTRY_PKT_BUF_ADDR_SHIFT; 3432e689cf4aSJeff Kirsher page = niu_find_rxpage(rp, addr, &link); 3433e689cf4aSJeff Kirsher 3434e689cf4aSJeff Kirsher rcr_size = rp->rbr_sizes[(val & RCR_ENTRY_PKTBUFSZ) >> 3435e689cf4aSJeff Kirsher RCR_ENTRY_PKTBUFSZ_SHIFT]; 3436e689cf4aSJeff Kirsher 3437e689cf4aSJeff Kirsher off = addr & ~PAGE_MASK; 3438e689cf4aSJeff Kirsher if (num_rcr == 1) { 3439e689cf4aSJeff Kirsher int ptype; 3440e689cf4aSJeff Kirsher 3441e689cf4aSJeff Kirsher ptype = (val >> RCR_ENTRY_PKT_TYPE_SHIFT); 3442e689cf4aSJeff Kirsher if ((ptype == RCR_PKT_TYPE_TCP || 3443e689cf4aSJeff Kirsher ptype == RCR_PKT_TYPE_UDP) && 3444e689cf4aSJeff Kirsher !(val & (RCR_ENTRY_NOPORT | 3445e689cf4aSJeff Kirsher RCR_ENTRY_ERROR))) 3446e689cf4aSJeff Kirsher skb->ip_summed = CHECKSUM_UNNECESSARY; 3447e689cf4aSJeff Kirsher else 3448e689cf4aSJeff Kirsher skb_checksum_none_assert(skb); 3449e689cf4aSJeff Kirsher } else if (!(val & RCR_ENTRY_MULTI)) 345014224923SRob Taglang append_size = append_size - skb->len; 3451e689cf4aSJeff Kirsher 3452e7e5a403SEric Dumazet niu_rx_skb_append(skb, page, off, append_size, rcr_size); 3453e689cf4aSJeff Kirsher if ((page->index + rp->rbr_block_size) - rcr_size == addr) { 3454e689cf4aSJeff Kirsher *link = (struct page *) page->mapping; 3455e689cf4aSJeff Kirsher np->ops->unmap_page(np->device, page->index, 3456e689cf4aSJeff Kirsher PAGE_SIZE, DMA_FROM_DEVICE); 3457e689cf4aSJeff Kirsher page->index = 0; 3458e689cf4aSJeff Kirsher page->mapping = NULL; 3459e689cf4aSJeff Kirsher rp->rbr_refill_pending++; 3460e689cf4aSJeff Kirsher } else 3461e689cf4aSJeff Kirsher get_page(page); 3462e689cf4aSJeff Kirsher 3463e689cf4aSJeff Kirsher index = NEXT_RCR(rp, index); 3464e689cf4aSJeff Kirsher if (!(val & RCR_ENTRY_MULTI)) 3465e689cf4aSJeff Kirsher break; 3466e689cf4aSJeff Kirsher 3467e689cf4aSJeff Kirsher } 3468e689cf4aSJeff Kirsher rp->rcr_index = index; 3469e689cf4aSJeff Kirsher 3470e689cf4aSJeff Kirsher len += sizeof(*rh); 3471e689cf4aSJeff Kirsher len = min_t(int, len, sizeof(*rh) + VLAN_ETH_HLEN); 3472e689cf4aSJeff Kirsher __pskb_pull_tail(skb, len); 3473e689cf4aSJeff Kirsher 3474e689cf4aSJeff Kirsher rh = (struct rx_pkt_hdr1 *) skb->data; 3475e689cf4aSJeff Kirsher if (np->dev->features & NETIF_F_RXHASH) 34763b21567fSTom Herbert skb_set_hash(skb, 34773b21567fSTom Herbert ((u32)rh->hashval2_0 << 24 | 3478e689cf4aSJeff Kirsher (u32)rh->hashval2_1 << 16 | 3479e689cf4aSJeff Kirsher (u32)rh->hashval1_1 << 8 | 34803b21567fSTom Herbert (u32)rh->hashval1_2 << 0), 34813b21567fSTom Herbert PKT_HASH_TYPE_L3); 3482e689cf4aSJeff Kirsher skb_pull(skb, sizeof(*rh)); 3483e689cf4aSJeff Kirsher 3484e689cf4aSJeff Kirsher rp->rx_packets++; 3485e689cf4aSJeff Kirsher rp->rx_bytes += skb->len; 3486e689cf4aSJeff Kirsher 3487e689cf4aSJeff Kirsher skb->protocol = eth_type_trans(skb, np->dev); 3488e689cf4aSJeff Kirsher skb_record_rx_queue(skb, rp->rx_channel); 3489e689cf4aSJeff Kirsher napi_gro_receive(napi, skb); 3490e689cf4aSJeff Kirsher 3491e689cf4aSJeff Kirsher return num_rcr; 3492e689cf4aSJeff Kirsher } 3493e689cf4aSJeff Kirsher 3494e689cf4aSJeff Kirsher static int niu_rbr_fill(struct niu *np, struct rx_ring_info *rp, gfp_t mask) 3495e689cf4aSJeff Kirsher { 3496e689cf4aSJeff Kirsher int blocks_per_page = rp->rbr_blocks_per_page; 3497e689cf4aSJeff Kirsher int err, index = rp->rbr_index; 3498e689cf4aSJeff Kirsher 3499e689cf4aSJeff Kirsher err = 0; 3500e689cf4aSJeff Kirsher while (index < (rp->rbr_table_size - blocks_per_page)) { 3501e689cf4aSJeff Kirsher err = niu_rbr_add_page(np, rp, mask, index); 35029b70749eSShuah Khan if (unlikely(err)) 3503e689cf4aSJeff Kirsher break; 3504e689cf4aSJeff Kirsher 3505e689cf4aSJeff Kirsher index += blocks_per_page; 3506e689cf4aSJeff Kirsher } 3507e689cf4aSJeff Kirsher 3508e689cf4aSJeff Kirsher rp->rbr_index = index; 3509e689cf4aSJeff Kirsher return err; 3510e689cf4aSJeff Kirsher } 3511e689cf4aSJeff Kirsher 3512e689cf4aSJeff Kirsher static void niu_rbr_free(struct niu *np, struct rx_ring_info *rp) 3513e689cf4aSJeff Kirsher { 3514e689cf4aSJeff Kirsher int i; 3515e689cf4aSJeff Kirsher 3516e689cf4aSJeff Kirsher for (i = 0; i < MAX_RBR_RING_SIZE; i++) { 3517e689cf4aSJeff Kirsher struct page *page; 3518e689cf4aSJeff Kirsher 3519e689cf4aSJeff Kirsher page = rp->rxhash[i]; 3520e689cf4aSJeff Kirsher while (page) { 3521e689cf4aSJeff Kirsher struct page *next = (struct page *) page->mapping; 3522e689cf4aSJeff Kirsher u64 base = page->index; 3523e689cf4aSJeff Kirsher 3524e689cf4aSJeff Kirsher np->ops->unmap_page(np->device, base, PAGE_SIZE, 3525e689cf4aSJeff Kirsher DMA_FROM_DEVICE); 3526e689cf4aSJeff Kirsher page->index = 0; 3527e689cf4aSJeff Kirsher page->mapping = NULL; 3528e689cf4aSJeff Kirsher 3529e689cf4aSJeff Kirsher __free_page(page); 3530e689cf4aSJeff Kirsher 3531e689cf4aSJeff Kirsher page = next; 3532e689cf4aSJeff Kirsher } 3533e689cf4aSJeff Kirsher } 3534e689cf4aSJeff Kirsher 3535e689cf4aSJeff Kirsher for (i = 0; i < rp->rbr_table_size; i++) 3536e689cf4aSJeff Kirsher rp->rbr[i] = cpu_to_le32(0); 3537e689cf4aSJeff Kirsher rp->rbr_index = 0; 3538e689cf4aSJeff Kirsher } 3539e689cf4aSJeff Kirsher 3540e689cf4aSJeff Kirsher static int release_tx_packet(struct niu *np, struct tx_ring_info *rp, int idx) 3541e689cf4aSJeff Kirsher { 3542e689cf4aSJeff Kirsher struct tx_buff_info *tb = &rp->tx_buffs[idx]; 3543e689cf4aSJeff Kirsher struct sk_buff *skb = tb->skb; 3544e689cf4aSJeff Kirsher struct tx_pkt_hdr *tp; 3545e689cf4aSJeff Kirsher u64 tx_flags; 3546e689cf4aSJeff Kirsher int i, len; 3547e689cf4aSJeff Kirsher 3548e689cf4aSJeff Kirsher tp = (struct tx_pkt_hdr *) skb->data; 3549e689cf4aSJeff Kirsher tx_flags = le64_to_cpup(&tp->flags); 3550e689cf4aSJeff Kirsher 3551e689cf4aSJeff Kirsher rp->tx_packets++; 3552e689cf4aSJeff Kirsher rp->tx_bytes += (((tx_flags & TXHDR_LEN) >> TXHDR_LEN_SHIFT) - 3553e689cf4aSJeff Kirsher ((tx_flags & TXHDR_PAD) / 2)); 3554e689cf4aSJeff Kirsher 3555e689cf4aSJeff Kirsher len = skb_headlen(skb); 3556e689cf4aSJeff Kirsher np->ops->unmap_single(np->device, tb->mapping, 3557e689cf4aSJeff Kirsher len, DMA_TO_DEVICE); 3558e689cf4aSJeff Kirsher 3559e689cf4aSJeff Kirsher if (le64_to_cpu(rp->descr[idx]) & TX_DESC_MARK) 3560e689cf4aSJeff Kirsher rp->mark_pending--; 3561e689cf4aSJeff Kirsher 3562e689cf4aSJeff Kirsher tb->skb = NULL; 3563e689cf4aSJeff Kirsher do { 3564e689cf4aSJeff Kirsher idx = NEXT_TX(rp, idx); 3565e689cf4aSJeff Kirsher len -= MAX_TX_DESC_LEN; 3566e689cf4aSJeff Kirsher } while (len > 0); 3567e689cf4aSJeff Kirsher 3568e689cf4aSJeff Kirsher for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { 3569e689cf4aSJeff Kirsher tb = &rp->tx_buffs[idx]; 3570e689cf4aSJeff Kirsher BUG_ON(tb->skb != NULL); 3571e689cf4aSJeff Kirsher np->ops->unmap_page(np->device, tb->mapping, 35729e903e08SEric Dumazet skb_frag_size(&skb_shinfo(skb)->frags[i]), 3573e689cf4aSJeff Kirsher DMA_TO_DEVICE); 3574e689cf4aSJeff Kirsher idx = NEXT_TX(rp, idx); 3575e689cf4aSJeff Kirsher } 3576e689cf4aSJeff Kirsher 3577e689cf4aSJeff Kirsher dev_kfree_skb(skb); 3578e689cf4aSJeff Kirsher 3579e689cf4aSJeff Kirsher return idx; 3580e689cf4aSJeff Kirsher } 3581e689cf4aSJeff Kirsher 3582e689cf4aSJeff Kirsher #define NIU_TX_WAKEUP_THRESH(rp) ((rp)->pending / 4) 3583e689cf4aSJeff Kirsher 3584e689cf4aSJeff Kirsher static void niu_tx_work(struct niu *np, struct tx_ring_info *rp) 3585e689cf4aSJeff Kirsher { 3586e689cf4aSJeff Kirsher struct netdev_queue *txq; 3587e689cf4aSJeff Kirsher u16 pkt_cnt, tmp; 3588e689cf4aSJeff Kirsher int cons, index; 3589e689cf4aSJeff Kirsher u64 cs; 3590e689cf4aSJeff Kirsher 3591e689cf4aSJeff Kirsher index = (rp - np->tx_rings); 3592e689cf4aSJeff Kirsher txq = netdev_get_tx_queue(np->dev, index); 3593e689cf4aSJeff Kirsher 3594e689cf4aSJeff Kirsher cs = rp->tx_cs; 3595e689cf4aSJeff Kirsher if (unlikely(!(cs & (TX_CS_MK | TX_CS_MMK)))) 3596e689cf4aSJeff Kirsher goto out; 3597e689cf4aSJeff Kirsher 3598e689cf4aSJeff Kirsher tmp = pkt_cnt = (cs & TX_CS_PKT_CNT) >> TX_CS_PKT_CNT_SHIFT; 3599e689cf4aSJeff Kirsher pkt_cnt = (pkt_cnt - rp->last_pkt_cnt) & 3600e689cf4aSJeff Kirsher (TX_CS_PKT_CNT >> TX_CS_PKT_CNT_SHIFT); 3601e689cf4aSJeff Kirsher 3602e689cf4aSJeff Kirsher rp->last_pkt_cnt = tmp; 3603e689cf4aSJeff Kirsher 3604e689cf4aSJeff Kirsher cons = rp->cons; 3605e689cf4aSJeff Kirsher 3606e689cf4aSJeff Kirsher netif_printk(np, tx_done, KERN_DEBUG, np->dev, 3607e689cf4aSJeff Kirsher "%s() pkt_cnt[%u] cons[%d]\n", __func__, pkt_cnt, cons); 3608e689cf4aSJeff Kirsher 36096a2b28efSDavid S. Miller while (pkt_cnt--) 3610e689cf4aSJeff Kirsher cons = release_tx_packet(np, rp, cons); 3611e689cf4aSJeff Kirsher 3612e689cf4aSJeff Kirsher rp->cons = cons; 3613e689cf4aSJeff Kirsher smp_mb(); 3614e689cf4aSJeff Kirsher 3615e689cf4aSJeff Kirsher out: 3616e689cf4aSJeff Kirsher if (unlikely(netif_tx_queue_stopped(txq) && 3617e689cf4aSJeff Kirsher (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)))) { 3618e689cf4aSJeff Kirsher __netif_tx_lock(txq, smp_processor_id()); 3619e689cf4aSJeff Kirsher if (netif_tx_queue_stopped(txq) && 3620e689cf4aSJeff Kirsher (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp))) 3621e689cf4aSJeff Kirsher netif_tx_wake_queue(txq); 3622e689cf4aSJeff Kirsher __netif_tx_unlock(txq); 3623e689cf4aSJeff Kirsher } 3624e689cf4aSJeff Kirsher } 3625e689cf4aSJeff Kirsher 3626e689cf4aSJeff Kirsher static inline void niu_sync_rx_discard_stats(struct niu *np, 3627e689cf4aSJeff Kirsher struct rx_ring_info *rp, 3628e689cf4aSJeff Kirsher const int limit) 3629e689cf4aSJeff Kirsher { 3630e689cf4aSJeff Kirsher /* This elaborate scheme is needed for reading the RX discard 3631e689cf4aSJeff Kirsher * counters, as they are only 16-bit and can overflow quickly, 3632e689cf4aSJeff Kirsher * and because the overflow indication bit is not usable as 3633e689cf4aSJeff Kirsher * the counter value does not wrap, but remains at max value 3634e689cf4aSJeff Kirsher * 0xFFFF. 3635e689cf4aSJeff Kirsher * 3636e689cf4aSJeff Kirsher * In theory and in practice counters can be lost in between 3637e689cf4aSJeff Kirsher * reading nr64() and clearing the counter nw64(). For this 3638e689cf4aSJeff Kirsher * reason, the number of counter clearings nw64() is 3639e689cf4aSJeff Kirsher * limited/reduced though the limit parameter. 3640e689cf4aSJeff Kirsher */ 3641e689cf4aSJeff Kirsher int rx_channel = rp->rx_channel; 3642e689cf4aSJeff Kirsher u32 misc, wred; 3643e689cf4aSJeff Kirsher 3644e689cf4aSJeff Kirsher /* RXMISC (Receive Miscellaneous Discard Count), covers the 3645e689cf4aSJeff Kirsher * following discard events: IPP (Input Port Process), 3646e689cf4aSJeff Kirsher * FFLP/TCAM, Full RCR (Receive Completion Ring) RBR (Receive 3647e689cf4aSJeff Kirsher * Block Ring) prefetch buffer is empty. 3648e689cf4aSJeff Kirsher */ 3649e689cf4aSJeff Kirsher misc = nr64(RXMISC(rx_channel)); 3650e689cf4aSJeff Kirsher if (unlikely((misc & RXMISC_COUNT) > limit)) { 3651e689cf4aSJeff Kirsher nw64(RXMISC(rx_channel), 0); 3652e689cf4aSJeff Kirsher rp->rx_errors += misc & RXMISC_COUNT; 3653e689cf4aSJeff Kirsher 3654e689cf4aSJeff Kirsher if (unlikely(misc & RXMISC_OFLOW)) 3655e689cf4aSJeff Kirsher dev_err(np->device, "rx-%d: Counter overflow RXMISC discard\n", 3656e689cf4aSJeff Kirsher rx_channel); 3657e689cf4aSJeff Kirsher 3658e689cf4aSJeff Kirsher netif_printk(np, rx_err, KERN_DEBUG, np->dev, 3659e689cf4aSJeff Kirsher "rx-%d: MISC drop=%u over=%u\n", 3660e689cf4aSJeff Kirsher rx_channel, misc, misc-limit); 3661e689cf4aSJeff Kirsher } 3662e689cf4aSJeff Kirsher 3663e689cf4aSJeff Kirsher /* WRED (Weighted Random Early Discard) by hardware */ 3664e689cf4aSJeff Kirsher wred = nr64(RED_DIS_CNT(rx_channel)); 3665e689cf4aSJeff Kirsher if (unlikely((wred & RED_DIS_CNT_COUNT) > limit)) { 3666e689cf4aSJeff Kirsher nw64(RED_DIS_CNT(rx_channel), 0); 3667e689cf4aSJeff Kirsher rp->rx_dropped += wred & RED_DIS_CNT_COUNT; 3668e689cf4aSJeff Kirsher 3669e689cf4aSJeff Kirsher if (unlikely(wred & RED_DIS_CNT_OFLOW)) 3670e689cf4aSJeff Kirsher dev_err(np->device, "rx-%d: Counter overflow WRED discard\n", rx_channel); 3671e689cf4aSJeff Kirsher 3672e689cf4aSJeff Kirsher netif_printk(np, rx_err, KERN_DEBUG, np->dev, 3673e689cf4aSJeff Kirsher "rx-%d: WRED drop=%u over=%u\n", 3674e689cf4aSJeff Kirsher rx_channel, wred, wred-limit); 3675e689cf4aSJeff Kirsher } 3676e689cf4aSJeff Kirsher } 3677e689cf4aSJeff Kirsher 3678e689cf4aSJeff Kirsher static int niu_rx_work(struct napi_struct *napi, struct niu *np, 3679e689cf4aSJeff Kirsher struct rx_ring_info *rp, int budget) 3680e689cf4aSJeff Kirsher { 3681e689cf4aSJeff Kirsher int qlen, rcr_done = 0, work_done = 0; 3682e689cf4aSJeff Kirsher struct rxdma_mailbox *mbox = rp->mbox; 3683e689cf4aSJeff Kirsher u64 stat; 3684e689cf4aSJeff Kirsher 3685e689cf4aSJeff Kirsher #if 1 3686e689cf4aSJeff Kirsher stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel)); 3687e689cf4aSJeff Kirsher qlen = nr64(RCRSTAT_A(rp->rx_channel)) & RCRSTAT_A_QLEN; 3688e689cf4aSJeff Kirsher #else 3689e689cf4aSJeff Kirsher stat = le64_to_cpup(&mbox->rx_dma_ctl_stat); 3690e689cf4aSJeff Kirsher qlen = (le64_to_cpup(&mbox->rcrstat_a) & RCRSTAT_A_QLEN); 3691e689cf4aSJeff Kirsher #endif 3692e689cf4aSJeff Kirsher mbox->rx_dma_ctl_stat = 0; 3693e689cf4aSJeff Kirsher mbox->rcrstat_a = 0; 3694e689cf4aSJeff Kirsher 3695e689cf4aSJeff Kirsher netif_printk(np, rx_status, KERN_DEBUG, np->dev, 3696e689cf4aSJeff Kirsher "%s(chan[%d]), stat[%llx] qlen=%d\n", 3697e689cf4aSJeff Kirsher __func__, rp->rx_channel, (unsigned long long)stat, qlen); 3698e689cf4aSJeff Kirsher 3699e689cf4aSJeff Kirsher rcr_done = work_done = 0; 3700e689cf4aSJeff Kirsher qlen = min(qlen, budget); 3701e689cf4aSJeff Kirsher while (work_done < qlen) { 3702e689cf4aSJeff Kirsher rcr_done += niu_process_rx_pkt(napi, np, rp); 3703e689cf4aSJeff Kirsher work_done++; 3704e689cf4aSJeff Kirsher } 3705e689cf4aSJeff Kirsher 3706e689cf4aSJeff Kirsher if (rp->rbr_refill_pending >= rp->rbr_kick_thresh) { 3707e689cf4aSJeff Kirsher unsigned int i; 3708e689cf4aSJeff Kirsher 3709e689cf4aSJeff Kirsher for (i = 0; i < rp->rbr_refill_pending; i++) 3710e689cf4aSJeff Kirsher niu_rbr_refill(np, rp, GFP_ATOMIC); 3711e689cf4aSJeff Kirsher rp->rbr_refill_pending = 0; 3712e689cf4aSJeff Kirsher } 3713e689cf4aSJeff Kirsher 3714e689cf4aSJeff Kirsher stat = (RX_DMA_CTL_STAT_MEX | 3715e689cf4aSJeff Kirsher ((u64)work_done << RX_DMA_CTL_STAT_PKTREAD_SHIFT) | 3716e689cf4aSJeff Kirsher ((u64)rcr_done << RX_DMA_CTL_STAT_PTRREAD_SHIFT)); 3717e689cf4aSJeff Kirsher 3718e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat); 3719e689cf4aSJeff Kirsher 3720e689cf4aSJeff Kirsher /* Only sync discards stats when qlen indicate potential for drops */ 3721e689cf4aSJeff Kirsher if (qlen > 10) 3722e689cf4aSJeff Kirsher niu_sync_rx_discard_stats(np, rp, 0x7FFF); 3723e689cf4aSJeff Kirsher 3724e689cf4aSJeff Kirsher return work_done; 3725e689cf4aSJeff Kirsher } 3726e689cf4aSJeff Kirsher 3727e689cf4aSJeff Kirsher static int niu_poll_core(struct niu *np, struct niu_ldg *lp, int budget) 3728e689cf4aSJeff Kirsher { 3729e689cf4aSJeff Kirsher u64 v0 = lp->v0; 3730e689cf4aSJeff Kirsher u32 tx_vec = (v0 >> 32); 3731e689cf4aSJeff Kirsher u32 rx_vec = (v0 & 0xffffffff); 3732e689cf4aSJeff Kirsher int i, work_done = 0; 3733e689cf4aSJeff Kirsher 3734e689cf4aSJeff Kirsher netif_printk(np, intr, KERN_DEBUG, np->dev, 3735e689cf4aSJeff Kirsher "%s() v0[%016llx]\n", __func__, (unsigned long long)v0); 3736e689cf4aSJeff Kirsher 3737e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 3738e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 3739e689cf4aSJeff Kirsher if (tx_vec & (1 << rp->tx_channel)) 3740e689cf4aSJeff Kirsher niu_tx_work(np, rp); 3741e689cf4aSJeff Kirsher nw64(LD_IM0(LDN_TXDMA(rp->tx_channel)), 0); 3742e689cf4aSJeff Kirsher } 3743e689cf4aSJeff Kirsher 3744e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 3745e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 3746e689cf4aSJeff Kirsher 3747e689cf4aSJeff Kirsher if (rx_vec & (1 << rp->rx_channel)) { 3748e689cf4aSJeff Kirsher int this_work_done; 3749e689cf4aSJeff Kirsher 3750e689cf4aSJeff Kirsher this_work_done = niu_rx_work(&lp->napi, np, rp, 3751e689cf4aSJeff Kirsher budget); 3752e689cf4aSJeff Kirsher 3753e689cf4aSJeff Kirsher budget -= this_work_done; 3754e689cf4aSJeff Kirsher work_done += this_work_done; 3755e689cf4aSJeff Kirsher } 3756e689cf4aSJeff Kirsher nw64(LD_IM0(LDN_RXDMA(rp->rx_channel)), 0); 3757e689cf4aSJeff Kirsher } 3758e689cf4aSJeff Kirsher 3759e689cf4aSJeff Kirsher return work_done; 3760e689cf4aSJeff Kirsher } 3761e689cf4aSJeff Kirsher 3762e689cf4aSJeff Kirsher static int niu_poll(struct napi_struct *napi, int budget) 3763e689cf4aSJeff Kirsher { 3764e689cf4aSJeff Kirsher struct niu_ldg *lp = container_of(napi, struct niu_ldg, napi); 3765e689cf4aSJeff Kirsher struct niu *np = lp->np; 3766e689cf4aSJeff Kirsher int work_done; 3767e689cf4aSJeff Kirsher 3768e689cf4aSJeff Kirsher work_done = niu_poll_core(np, lp, budget); 3769e689cf4aSJeff Kirsher 3770e689cf4aSJeff Kirsher if (work_done < budget) { 37716ad20165SEric Dumazet napi_complete_done(napi, work_done); 3772e689cf4aSJeff Kirsher niu_ldg_rearm(np, lp, 1); 3773e689cf4aSJeff Kirsher } 3774e689cf4aSJeff Kirsher return work_done; 3775e689cf4aSJeff Kirsher } 3776e689cf4aSJeff Kirsher 3777e689cf4aSJeff Kirsher static void niu_log_rxchan_errors(struct niu *np, struct rx_ring_info *rp, 3778e689cf4aSJeff Kirsher u64 stat) 3779e689cf4aSJeff Kirsher { 3780e689cf4aSJeff Kirsher netdev_err(np->dev, "RX channel %u errors ( ", rp->rx_channel); 3781e689cf4aSJeff Kirsher 3782e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RBR_TMOUT) 3783e689cf4aSJeff Kirsher pr_cont("RBR_TMOUT "); 3784e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RSP_CNT_ERR) 3785e689cf4aSJeff Kirsher pr_cont("RSP_CNT "); 3786e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_BYTE_EN_BUS) 3787e689cf4aSJeff Kirsher pr_cont("BYTE_EN_BUS "); 3788e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RSP_DAT_ERR) 3789e689cf4aSJeff Kirsher pr_cont("RSP_DAT "); 3790e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RCR_ACK_ERR) 3791e689cf4aSJeff Kirsher pr_cont("RCR_ACK "); 3792e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RCR_SHA_PAR) 3793e689cf4aSJeff Kirsher pr_cont("RCR_SHA_PAR "); 3794e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RBR_PRE_PAR) 3795e689cf4aSJeff Kirsher pr_cont("RBR_PRE_PAR "); 3796e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_CONFIG_ERR) 3797e689cf4aSJeff Kirsher pr_cont("CONFIG "); 3798e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RCRINCON) 3799e689cf4aSJeff Kirsher pr_cont("RCRINCON "); 3800e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RCRFULL) 3801e689cf4aSJeff Kirsher pr_cont("RCRFULL "); 3802e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RBRFULL) 3803e689cf4aSJeff Kirsher pr_cont("RBRFULL "); 3804e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_RBRLOGPAGE) 3805e689cf4aSJeff Kirsher pr_cont("RBRLOGPAGE "); 3806e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_CFIGLOGPAGE) 3807e689cf4aSJeff Kirsher pr_cont("CFIGLOGPAGE "); 3808e689cf4aSJeff Kirsher if (stat & RX_DMA_CTL_STAT_DC_FIFO_ERR) 3809e689cf4aSJeff Kirsher pr_cont("DC_FIDO "); 3810e689cf4aSJeff Kirsher 3811e689cf4aSJeff Kirsher pr_cont(")\n"); 3812e689cf4aSJeff Kirsher } 3813e689cf4aSJeff Kirsher 3814e689cf4aSJeff Kirsher static int niu_rx_error(struct niu *np, struct rx_ring_info *rp) 3815e689cf4aSJeff Kirsher { 3816e689cf4aSJeff Kirsher u64 stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel)); 3817e689cf4aSJeff Kirsher int err = 0; 3818e689cf4aSJeff Kirsher 3819e689cf4aSJeff Kirsher 3820e689cf4aSJeff Kirsher if (stat & (RX_DMA_CTL_STAT_CHAN_FATAL | 3821e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_PORT_FATAL)) 3822e689cf4aSJeff Kirsher err = -EINVAL; 3823e689cf4aSJeff Kirsher 3824e689cf4aSJeff Kirsher if (err) { 3825e689cf4aSJeff Kirsher netdev_err(np->dev, "RX channel %u error, stat[%llx]\n", 3826e689cf4aSJeff Kirsher rp->rx_channel, 3827e689cf4aSJeff Kirsher (unsigned long long) stat); 3828e689cf4aSJeff Kirsher 3829e689cf4aSJeff Kirsher niu_log_rxchan_errors(np, rp, stat); 3830e689cf4aSJeff Kirsher } 3831e689cf4aSJeff Kirsher 3832e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(rp->rx_channel), 3833e689cf4aSJeff Kirsher stat & RX_DMA_CTL_WRITE_CLEAR_ERRS); 3834e689cf4aSJeff Kirsher 3835e689cf4aSJeff Kirsher return err; 3836e689cf4aSJeff Kirsher } 3837e689cf4aSJeff Kirsher 3838e689cf4aSJeff Kirsher static void niu_log_txchan_errors(struct niu *np, struct tx_ring_info *rp, 3839e689cf4aSJeff Kirsher u64 cs) 3840e689cf4aSJeff Kirsher { 3841e689cf4aSJeff Kirsher netdev_err(np->dev, "TX channel %u errors ( ", rp->tx_channel); 3842e689cf4aSJeff Kirsher 3843e689cf4aSJeff Kirsher if (cs & TX_CS_MBOX_ERR) 3844e689cf4aSJeff Kirsher pr_cont("MBOX "); 3845e689cf4aSJeff Kirsher if (cs & TX_CS_PKT_SIZE_ERR) 3846e689cf4aSJeff Kirsher pr_cont("PKT_SIZE "); 3847e689cf4aSJeff Kirsher if (cs & TX_CS_TX_RING_OFLOW) 3848e689cf4aSJeff Kirsher pr_cont("TX_RING_OFLOW "); 3849e689cf4aSJeff Kirsher if (cs & TX_CS_PREF_BUF_PAR_ERR) 3850e689cf4aSJeff Kirsher pr_cont("PREF_BUF_PAR "); 3851e689cf4aSJeff Kirsher if (cs & TX_CS_NACK_PREF) 3852e689cf4aSJeff Kirsher pr_cont("NACK_PREF "); 3853e689cf4aSJeff Kirsher if (cs & TX_CS_NACK_PKT_RD) 3854e689cf4aSJeff Kirsher pr_cont("NACK_PKT_RD "); 3855e689cf4aSJeff Kirsher if (cs & TX_CS_CONF_PART_ERR) 3856e689cf4aSJeff Kirsher pr_cont("CONF_PART "); 3857e689cf4aSJeff Kirsher if (cs & TX_CS_PKT_PRT_ERR) 3858e689cf4aSJeff Kirsher pr_cont("PKT_PTR "); 3859e689cf4aSJeff Kirsher 3860e689cf4aSJeff Kirsher pr_cont(")\n"); 3861e689cf4aSJeff Kirsher } 3862e689cf4aSJeff Kirsher 3863e689cf4aSJeff Kirsher static int niu_tx_error(struct niu *np, struct tx_ring_info *rp) 3864e689cf4aSJeff Kirsher { 3865e689cf4aSJeff Kirsher u64 cs, logh, logl; 3866e689cf4aSJeff Kirsher 3867e689cf4aSJeff Kirsher cs = nr64(TX_CS(rp->tx_channel)); 3868e689cf4aSJeff Kirsher logh = nr64(TX_RNG_ERR_LOGH(rp->tx_channel)); 3869e689cf4aSJeff Kirsher logl = nr64(TX_RNG_ERR_LOGL(rp->tx_channel)); 3870e689cf4aSJeff Kirsher 3871e689cf4aSJeff Kirsher netdev_err(np->dev, "TX channel %u error, cs[%llx] logh[%llx] logl[%llx]\n", 3872e689cf4aSJeff Kirsher rp->tx_channel, 3873e689cf4aSJeff Kirsher (unsigned long long)cs, 3874e689cf4aSJeff Kirsher (unsigned long long)logh, 3875e689cf4aSJeff Kirsher (unsigned long long)logl); 3876e689cf4aSJeff Kirsher 3877e689cf4aSJeff Kirsher niu_log_txchan_errors(np, rp, cs); 3878e689cf4aSJeff Kirsher 3879e689cf4aSJeff Kirsher return -ENODEV; 3880e689cf4aSJeff Kirsher } 3881e689cf4aSJeff Kirsher 3882e689cf4aSJeff Kirsher static int niu_mif_interrupt(struct niu *np) 3883e689cf4aSJeff Kirsher { 3884e689cf4aSJeff Kirsher u64 mif_status = nr64(MIF_STATUS); 3885e689cf4aSJeff Kirsher int phy_mdint = 0; 3886e689cf4aSJeff Kirsher 3887e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 3888e689cf4aSJeff Kirsher u64 xrxmac_stat = nr64_mac(XRXMAC_STATUS); 3889e689cf4aSJeff Kirsher 3890e689cf4aSJeff Kirsher if (xrxmac_stat & XRXMAC_STATUS_PHY_MDINT) 3891e689cf4aSJeff Kirsher phy_mdint = 1; 3892e689cf4aSJeff Kirsher } 3893e689cf4aSJeff Kirsher 3894e689cf4aSJeff Kirsher netdev_err(np->dev, "MIF interrupt, stat[%llx] phy_mdint(%d)\n", 3895e689cf4aSJeff Kirsher (unsigned long long)mif_status, phy_mdint); 3896e689cf4aSJeff Kirsher 3897e689cf4aSJeff Kirsher return -ENODEV; 3898e689cf4aSJeff Kirsher } 3899e689cf4aSJeff Kirsher 3900e689cf4aSJeff Kirsher static void niu_xmac_interrupt(struct niu *np) 3901e689cf4aSJeff Kirsher { 3902e689cf4aSJeff Kirsher struct niu_xmac_stats *mp = &np->mac_stats.xmac; 3903e689cf4aSJeff Kirsher u64 val; 3904e689cf4aSJeff Kirsher 3905e689cf4aSJeff Kirsher val = nr64_mac(XTXMAC_STATUS); 3906e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_FRAME_CNT_EXP) 3907e689cf4aSJeff Kirsher mp->tx_frames += TXMAC_FRM_CNT_COUNT; 3908e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_BYTE_CNT_EXP) 3909e689cf4aSJeff Kirsher mp->tx_bytes += TXMAC_BYTE_CNT_COUNT; 3910e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_TXFIFO_XFR_ERR) 3911e689cf4aSJeff Kirsher mp->tx_fifo_errors++; 3912e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_TXMAC_OFLOW) 3913e689cf4aSJeff Kirsher mp->tx_overflow_errors++; 3914e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_MAX_PSIZE_ERR) 3915e689cf4aSJeff Kirsher mp->tx_max_pkt_size_errors++; 3916e689cf4aSJeff Kirsher if (val & XTXMAC_STATUS_TXMAC_UFLOW) 3917e689cf4aSJeff Kirsher mp->tx_underflow_errors++; 3918e689cf4aSJeff Kirsher 3919e689cf4aSJeff Kirsher val = nr64_mac(XRXMAC_STATUS); 3920e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_LCL_FLT_STATUS) 3921e689cf4aSJeff Kirsher mp->rx_local_faults++; 3922e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RFLT_DET) 3923e689cf4aSJeff Kirsher mp->rx_remote_faults++; 3924e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_LFLT_CNT_EXP) 3925e689cf4aSJeff Kirsher mp->rx_link_faults += LINK_FAULT_CNT_COUNT; 3926e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_ALIGNERR_CNT_EXP) 3927e689cf4aSJeff Kirsher mp->rx_align_errors += RXMAC_ALIGN_ERR_CNT_COUNT; 3928e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXFRAG_CNT_EXP) 3929e689cf4aSJeff Kirsher mp->rx_frags += RXMAC_FRAG_CNT_COUNT; 3930e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXMULTF_CNT_EXP) 3931e689cf4aSJeff Kirsher mp->rx_mcasts += RXMAC_MC_FRM_CNT_COUNT; 3932e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP) 3933e689cf4aSJeff Kirsher mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT; 3934e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST1_CNT_EXP) 3935e689cf4aSJeff Kirsher mp->rx_hist_cnt1 += RXMAC_HIST_CNT1_COUNT; 3936e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST2_CNT_EXP) 3937e689cf4aSJeff Kirsher mp->rx_hist_cnt2 += RXMAC_HIST_CNT2_COUNT; 3938e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST3_CNT_EXP) 3939e689cf4aSJeff Kirsher mp->rx_hist_cnt3 += RXMAC_HIST_CNT3_COUNT; 3940e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST4_CNT_EXP) 3941e689cf4aSJeff Kirsher mp->rx_hist_cnt4 += RXMAC_HIST_CNT4_COUNT; 3942e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST5_CNT_EXP) 3943e689cf4aSJeff Kirsher mp->rx_hist_cnt5 += RXMAC_HIST_CNT5_COUNT; 3944e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST6_CNT_EXP) 3945e689cf4aSJeff Kirsher mp->rx_hist_cnt6 += RXMAC_HIST_CNT6_COUNT; 3946e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXHIST7_CNT_EXP) 3947e689cf4aSJeff Kirsher mp->rx_hist_cnt7 += RXMAC_HIST_CNT7_COUNT; 3948e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXOCTET_CNT_EXP) 3949e689cf4aSJeff Kirsher mp->rx_octets += RXMAC_BT_CNT_COUNT; 3950e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_CVIOLERR_CNT_EXP) 3951e689cf4aSJeff Kirsher mp->rx_code_violations += RXMAC_CD_VIO_CNT_COUNT; 3952e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_LENERR_CNT_EXP) 3953e689cf4aSJeff Kirsher mp->rx_len_errors += RXMAC_MPSZER_CNT_COUNT; 3954e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_CRCERR_CNT_EXP) 3955e689cf4aSJeff Kirsher mp->rx_crc_errors += RXMAC_CRC_ER_CNT_COUNT; 3956e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXUFLOW) 3957e689cf4aSJeff Kirsher mp->rx_underflows++; 3958e689cf4aSJeff Kirsher if (val & XRXMAC_STATUS_RXOFLOW) 3959e689cf4aSJeff Kirsher mp->rx_overflows++; 3960e689cf4aSJeff Kirsher 3961e689cf4aSJeff Kirsher val = nr64_mac(XMAC_FC_STAT); 3962e689cf4aSJeff Kirsher if (val & XMAC_FC_STAT_TX_MAC_NPAUSE) 3963e689cf4aSJeff Kirsher mp->pause_off_state++; 3964e689cf4aSJeff Kirsher if (val & XMAC_FC_STAT_TX_MAC_PAUSE) 3965e689cf4aSJeff Kirsher mp->pause_on_state++; 3966e689cf4aSJeff Kirsher if (val & XMAC_FC_STAT_RX_MAC_RPAUSE) 3967e689cf4aSJeff Kirsher mp->pause_received++; 3968e689cf4aSJeff Kirsher } 3969e689cf4aSJeff Kirsher 3970e689cf4aSJeff Kirsher static void niu_bmac_interrupt(struct niu *np) 3971e689cf4aSJeff Kirsher { 3972e689cf4aSJeff Kirsher struct niu_bmac_stats *mp = &np->mac_stats.bmac; 3973e689cf4aSJeff Kirsher u64 val; 3974e689cf4aSJeff Kirsher 3975e689cf4aSJeff Kirsher val = nr64_mac(BTXMAC_STATUS); 3976e689cf4aSJeff Kirsher if (val & BTXMAC_STATUS_UNDERRUN) 3977e689cf4aSJeff Kirsher mp->tx_underflow_errors++; 3978e689cf4aSJeff Kirsher if (val & BTXMAC_STATUS_MAX_PKT_ERR) 3979e689cf4aSJeff Kirsher mp->tx_max_pkt_size_errors++; 3980e689cf4aSJeff Kirsher if (val & BTXMAC_STATUS_BYTE_CNT_EXP) 3981e689cf4aSJeff Kirsher mp->tx_bytes += BTXMAC_BYTE_CNT_COUNT; 3982e689cf4aSJeff Kirsher if (val & BTXMAC_STATUS_FRAME_CNT_EXP) 3983e689cf4aSJeff Kirsher mp->tx_frames += BTXMAC_FRM_CNT_COUNT; 3984e689cf4aSJeff Kirsher 3985e689cf4aSJeff Kirsher val = nr64_mac(BRXMAC_STATUS); 3986e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_OVERFLOW) 3987e689cf4aSJeff Kirsher mp->rx_overflows++; 3988e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_FRAME_CNT_EXP) 3989e689cf4aSJeff Kirsher mp->rx_frames += BRXMAC_FRAME_CNT_COUNT; 3990e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_ALIGN_ERR_EXP) 3991e689cf4aSJeff Kirsher mp->rx_align_errors += BRXMAC_ALIGN_ERR_CNT_COUNT; 3992e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_CRC_ERR_EXP) 3993e689cf4aSJeff Kirsher mp->rx_crc_errors += BRXMAC_ALIGN_ERR_CNT_COUNT; 3994e689cf4aSJeff Kirsher if (val & BRXMAC_STATUS_LEN_ERR_EXP) 3995e689cf4aSJeff Kirsher mp->rx_len_errors += BRXMAC_CODE_VIOL_ERR_CNT_COUNT; 3996e689cf4aSJeff Kirsher 3997e689cf4aSJeff Kirsher val = nr64_mac(BMAC_CTRL_STATUS); 3998e689cf4aSJeff Kirsher if (val & BMAC_CTRL_STATUS_NOPAUSE) 3999e689cf4aSJeff Kirsher mp->pause_off_state++; 4000e689cf4aSJeff Kirsher if (val & BMAC_CTRL_STATUS_PAUSE) 4001e689cf4aSJeff Kirsher mp->pause_on_state++; 4002e689cf4aSJeff Kirsher if (val & BMAC_CTRL_STATUS_PAUSE_RECV) 4003e689cf4aSJeff Kirsher mp->pause_received++; 4004e689cf4aSJeff Kirsher } 4005e689cf4aSJeff Kirsher 4006e689cf4aSJeff Kirsher static int niu_mac_interrupt(struct niu *np) 4007e689cf4aSJeff Kirsher { 4008e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 4009e689cf4aSJeff Kirsher niu_xmac_interrupt(np); 4010e689cf4aSJeff Kirsher else 4011e689cf4aSJeff Kirsher niu_bmac_interrupt(np); 4012e689cf4aSJeff Kirsher 4013e689cf4aSJeff Kirsher return 0; 4014e689cf4aSJeff Kirsher } 4015e689cf4aSJeff Kirsher 4016e689cf4aSJeff Kirsher static void niu_log_device_error(struct niu *np, u64 stat) 4017e689cf4aSJeff Kirsher { 4018e689cf4aSJeff Kirsher netdev_err(np->dev, "Core device errors ( "); 4019e689cf4aSJeff Kirsher 4020e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_META2) 4021e689cf4aSJeff Kirsher pr_cont("META2 "); 4022e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_META1) 4023e689cf4aSJeff Kirsher pr_cont("META1 "); 4024e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_PEU) 4025e689cf4aSJeff Kirsher pr_cont("PEU "); 4026e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_TXC) 4027e689cf4aSJeff Kirsher pr_cont("TXC "); 4028e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_RDMC) 4029e689cf4aSJeff Kirsher pr_cont("RDMC "); 4030e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_TDMC) 4031e689cf4aSJeff Kirsher pr_cont("TDMC "); 4032e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_ZCP) 4033e689cf4aSJeff Kirsher pr_cont("ZCP "); 4034e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_FFLP) 4035e689cf4aSJeff Kirsher pr_cont("FFLP "); 4036e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_IPP) 4037e689cf4aSJeff Kirsher pr_cont("IPP "); 4038e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_MAC) 4039e689cf4aSJeff Kirsher pr_cont("MAC "); 4040e689cf4aSJeff Kirsher if (stat & SYS_ERR_MASK_SMX) 4041e689cf4aSJeff Kirsher pr_cont("SMX "); 4042e689cf4aSJeff Kirsher 4043e689cf4aSJeff Kirsher pr_cont(")\n"); 4044e689cf4aSJeff Kirsher } 4045e689cf4aSJeff Kirsher 4046e689cf4aSJeff Kirsher static int niu_device_error(struct niu *np) 4047e689cf4aSJeff Kirsher { 4048e689cf4aSJeff Kirsher u64 stat = nr64(SYS_ERR_STAT); 4049e689cf4aSJeff Kirsher 4050e689cf4aSJeff Kirsher netdev_err(np->dev, "Core device error, stat[%llx]\n", 4051e689cf4aSJeff Kirsher (unsigned long long)stat); 4052e689cf4aSJeff Kirsher 4053e689cf4aSJeff Kirsher niu_log_device_error(np, stat); 4054e689cf4aSJeff Kirsher 4055e689cf4aSJeff Kirsher return -ENODEV; 4056e689cf4aSJeff Kirsher } 4057e689cf4aSJeff Kirsher 4058e689cf4aSJeff Kirsher static int niu_slowpath_interrupt(struct niu *np, struct niu_ldg *lp, 4059e689cf4aSJeff Kirsher u64 v0, u64 v1, u64 v2) 4060e689cf4aSJeff Kirsher { 4061e689cf4aSJeff Kirsher 4062e689cf4aSJeff Kirsher int i, err = 0; 4063e689cf4aSJeff Kirsher 4064e689cf4aSJeff Kirsher lp->v0 = v0; 4065e689cf4aSJeff Kirsher lp->v1 = v1; 4066e689cf4aSJeff Kirsher lp->v2 = v2; 4067e689cf4aSJeff Kirsher 4068e689cf4aSJeff Kirsher if (v1 & 0x00000000ffffffffULL) { 4069e689cf4aSJeff Kirsher u32 rx_vec = (v1 & 0xffffffff); 4070e689cf4aSJeff Kirsher 4071e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4072e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4073e689cf4aSJeff Kirsher 4074e689cf4aSJeff Kirsher if (rx_vec & (1 << rp->rx_channel)) { 4075e689cf4aSJeff Kirsher int r = niu_rx_error(np, rp); 4076e689cf4aSJeff Kirsher if (r) { 4077e689cf4aSJeff Kirsher err = r; 4078e689cf4aSJeff Kirsher } else { 4079e689cf4aSJeff Kirsher if (!v0) 4080e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(rp->rx_channel), 4081e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_MEX); 4082e689cf4aSJeff Kirsher } 4083e689cf4aSJeff Kirsher } 4084e689cf4aSJeff Kirsher } 4085e689cf4aSJeff Kirsher } 4086e689cf4aSJeff Kirsher if (v1 & 0x7fffffff00000000ULL) { 4087e689cf4aSJeff Kirsher u32 tx_vec = (v1 >> 32) & 0x7fffffff; 4088e689cf4aSJeff Kirsher 4089e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 4090e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 4091e689cf4aSJeff Kirsher 4092e689cf4aSJeff Kirsher if (tx_vec & (1 << rp->tx_channel)) { 4093e689cf4aSJeff Kirsher int r = niu_tx_error(np, rp); 4094e689cf4aSJeff Kirsher if (r) 4095e689cf4aSJeff Kirsher err = r; 4096e689cf4aSJeff Kirsher } 4097e689cf4aSJeff Kirsher } 4098e689cf4aSJeff Kirsher } 4099e689cf4aSJeff Kirsher if ((v0 | v1) & 0x8000000000000000ULL) { 4100e689cf4aSJeff Kirsher int r = niu_mif_interrupt(np); 4101e689cf4aSJeff Kirsher if (r) 4102e689cf4aSJeff Kirsher err = r; 4103e689cf4aSJeff Kirsher } 4104e689cf4aSJeff Kirsher if (v2) { 4105e689cf4aSJeff Kirsher if (v2 & 0x01ef) { 4106e689cf4aSJeff Kirsher int r = niu_mac_interrupt(np); 4107e689cf4aSJeff Kirsher if (r) 4108e689cf4aSJeff Kirsher err = r; 4109e689cf4aSJeff Kirsher } 4110e689cf4aSJeff Kirsher if (v2 & 0x0210) { 4111e689cf4aSJeff Kirsher int r = niu_device_error(np); 4112e689cf4aSJeff Kirsher if (r) 4113e689cf4aSJeff Kirsher err = r; 4114e689cf4aSJeff Kirsher } 4115e689cf4aSJeff Kirsher } 4116e689cf4aSJeff Kirsher 4117e689cf4aSJeff Kirsher if (err) 4118e689cf4aSJeff Kirsher niu_enable_interrupts(np, 0); 4119e689cf4aSJeff Kirsher 4120e689cf4aSJeff Kirsher return err; 4121e689cf4aSJeff Kirsher } 4122e689cf4aSJeff Kirsher 4123e689cf4aSJeff Kirsher static void niu_rxchan_intr(struct niu *np, struct rx_ring_info *rp, 4124e689cf4aSJeff Kirsher int ldn) 4125e689cf4aSJeff Kirsher { 4126e689cf4aSJeff Kirsher struct rxdma_mailbox *mbox = rp->mbox; 4127e689cf4aSJeff Kirsher u64 stat_write, stat = le64_to_cpup(&mbox->rx_dma_ctl_stat); 4128e689cf4aSJeff Kirsher 4129e689cf4aSJeff Kirsher stat_write = (RX_DMA_CTL_STAT_RCRTHRES | 4130e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_RCRTO); 4131e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat_write); 4132e689cf4aSJeff Kirsher 4133e689cf4aSJeff Kirsher netif_printk(np, intr, KERN_DEBUG, np->dev, 4134e689cf4aSJeff Kirsher "%s() stat[%llx]\n", __func__, (unsigned long long)stat); 4135e689cf4aSJeff Kirsher } 4136e689cf4aSJeff Kirsher 4137e689cf4aSJeff Kirsher static void niu_txchan_intr(struct niu *np, struct tx_ring_info *rp, 4138e689cf4aSJeff Kirsher int ldn) 4139e689cf4aSJeff Kirsher { 4140e689cf4aSJeff Kirsher rp->tx_cs = nr64(TX_CS(rp->tx_channel)); 4141e689cf4aSJeff Kirsher 4142e689cf4aSJeff Kirsher netif_printk(np, intr, KERN_DEBUG, np->dev, 4143e689cf4aSJeff Kirsher "%s() cs[%llx]\n", __func__, (unsigned long long)rp->tx_cs); 4144e689cf4aSJeff Kirsher } 4145e689cf4aSJeff Kirsher 4146e689cf4aSJeff Kirsher static void __niu_fastpath_interrupt(struct niu *np, int ldg, u64 v0) 4147e689cf4aSJeff Kirsher { 4148e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 4149e689cf4aSJeff Kirsher u32 rx_vec, tx_vec; 4150e689cf4aSJeff Kirsher int i; 4151e689cf4aSJeff Kirsher 4152e689cf4aSJeff Kirsher tx_vec = (v0 >> 32); 4153e689cf4aSJeff Kirsher rx_vec = (v0 & 0xffffffff); 4154e689cf4aSJeff Kirsher 4155e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4156e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4157e689cf4aSJeff Kirsher int ldn = LDN_RXDMA(rp->rx_channel); 4158e689cf4aSJeff Kirsher 4159e689cf4aSJeff Kirsher if (parent->ldg_map[ldn] != ldg) 4160e689cf4aSJeff Kirsher continue; 4161e689cf4aSJeff Kirsher 4162e689cf4aSJeff Kirsher nw64(LD_IM0(ldn), LD_IM0_MASK); 4163e689cf4aSJeff Kirsher if (rx_vec & (1 << rp->rx_channel)) 4164e689cf4aSJeff Kirsher niu_rxchan_intr(np, rp, ldn); 4165e689cf4aSJeff Kirsher } 4166e689cf4aSJeff Kirsher 4167e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 4168e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 4169e689cf4aSJeff Kirsher int ldn = LDN_TXDMA(rp->tx_channel); 4170e689cf4aSJeff Kirsher 4171e689cf4aSJeff Kirsher if (parent->ldg_map[ldn] != ldg) 4172e689cf4aSJeff Kirsher continue; 4173e689cf4aSJeff Kirsher 4174e689cf4aSJeff Kirsher nw64(LD_IM0(ldn), LD_IM0_MASK); 4175e689cf4aSJeff Kirsher if (tx_vec & (1 << rp->tx_channel)) 4176e689cf4aSJeff Kirsher niu_txchan_intr(np, rp, ldn); 4177e689cf4aSJeff Kirsher } 4178e689cf4aSJeff Kirsher } 4179e689cf4aSJeff Kirsher 4180e689cf4aSJeff Kirsher static void niu_schedule_napi(struct niu *np, struct niu_ldg *lp, 4181e689cf4aSJeff Kirsher u64 v0, u64 v1, u64 v2) 4182e689cf4aSJeff Kirsher { 4183e689cf4aSJeff Kirsher if (likely(napi_schedule_prep(&lp->napi))) { 4184e689cf4aSJeff Kirsher lp->v0 = v0; 4185e689cf4aSJeff Kirsher lp->v1 = v1; 4186e689cf4aSJeff Kirsher lp->v2 = v2; 4187e689cf4aSJeff Kirsher __niu_fastpath_interrupt(np, lp->ldg_num, v0); 4188e689cf4aSJeff Kirsher __napi_schedule(&lp->napi); 4189e689cf4aSJeff Kirsher } 4190e689cf4aSJeff Kirsher } 4191e689cf4aSJeff Kirsher 4192e689cf4aSJeff Kirsher static irqreturn_t niu_interrupt(int irq, void *dev_id) 4193e689cf4aSJeff Kirsher { 4194e689cf4aSJeff Kirsher struct niu_ldg *lp = dev_id; 4195e689cf4aSJeff Kirsher struct niu *np = lp->np; 4196e689cf4aSJeff Kirsher int ldg = lp->ldg_num; 4197e689cf4aSJeff Kirsher unsigned long flags; 4198e689cf4aSJeff Kirsher u64 v0, v1, v2; 4199e689cf4aSJeff Kirsher 4200e689cf4aSJeff Kirsher if (netif_msg_intr(np)) 4201e689cf4aSJeff Kirsher printk(KERN_DEBUG KBUILD_MODNAME ": " "%s() ldg[%p](%d)", 4202e689cf4aSJeff Kirsher __func__, lp, ldg); 4203e689cf4aSJeff Kirsher 4204e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 4205e689cf4aSJeff Kirsher 4206e689cf4aSJeff Kirsher v0 = nr64(LDSV0(ldg)); 4207e689cf4aSJeff Kirsher v1 = nr64(LDSV1(ldg)); 4208e689cf4aSJeff Kirsher v2 = nr64(LDSV2(ldg)); 4209e689cf4aSJeff Kirsher 4210e689cf4aSJeff Kirsher if (netif_msg_intr(np)) 4211e689cf4aSJeff Kirsher pr_cont(" v0[%llx] v1[%llx] v2[%llx]\n", 4212e689cf4aSJeff Kirsher (unsigned long long) v0, 4213e689cf4aSJeff Kirsher (unsigned long long) v1, 4214e689cf4aSJeff Kirsher (unsigned long long) v2); 4215e689cf4aSJeff Kirsher 4216e689cf4aSJeff Kirsher if (unlikely(!v0 && !v1 && !v2)) { 4217e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 4218e689cf4aSJeff Kirsher return IRQ_NONE; 4219e689cf4aSJeff Kirsher } 4220e689cf4aSJeff Kirsher 4221e689cf4aSJeff Kirsher if (unlikely((v0 & ((u64)1 << LDN_MIF)) || v1 || v2)) { 4222e689cf4aSJeff Kirsher int err = niu_slowpath_interrupt(np, lp, v0, v1, v2); 4223e689cf4aSJeff Kirsher if (err) 4224e689cf4aSJeff Kirsher goto out; 4225e689cf4aSJeff Kirsher } 4226e689cf4aSJeff Kirsher if (likely(v0 & ~((u64)1 << LDN_MIF))) 4227e689cf4aSJeff Kirsher niu_schedule_napi(np, lp, v0, v1, v2); 4228e689cf4aSJeff Kirsher else 4229e689cf4aSJeff Kirsher niu_ldg_rearm(np, lp, 1); 4230e689cf4aSJeff Kirsher out: 4231e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 4232e689cf4aSJeff Kirsher 4233e689cf4aSJeff Kirsher return IRQ_HANDLED; 4234e689cf4aSJeff Kirsher } 4235e689cf4aSJeff Kirsher 4236e689cf4aSJeff Kirsher static void niu_free_rx_ring_info(struct niu *np, struct rx_ring_info *rp) 4237e689cf4aSJeff Kirsher { 4238e689cf4aSJeff Kirsher if (rp->mbox) { 4239e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4240e689cf4aSJeff Kirsher sizeof(struct rxdma_mailbox), 4241e689cf4aSJeff Kirsher rp->mbox, rp->mbox_dma); 4242e689cf4aSJeff Kirsher rp->mbox = NULL; 4243e689cf4aSJeff Kirsher } 4244e689cf4aSJeff Kirsher if (rp->rcr) { 4245e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4246e689cf4aSJeff Kirsher MAX_RCR_RING_SIZE * sizeof(__le64), 4247e689cf4aSJeff Kirsher rp->rcr, rp->rcr_dma); 4248e689cf4aSJeff Kirsher rp->rcr = NULL; 4249e689cf4aSJeff Kirsher rp->rcr_table_size = 0; 4250e689cf4aSJeff Kirsher rp->rcr_index = 0; 4251e689cf4aSJeff Kirsher } 4252e689cf4aSJeff Kirsher if (rp->rbr) { 4253e689cf4aSJeff Kirsher niu_rbr_free(np, rp); 4254e689cf4aSJeff Kirsher 4255e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4256e689cf4aSJeff Kirsher MAX_RBR_RING_SIZE * sizeof(__le32), 4257e689cf4aSJeff Kirsher rp->rbr, rp->rbr_dma); 4258e689cf4aSJeff Kirsher rp->rbr = NULL; 4259e689cf4aSJeff Kirsher rp->rbr_table_size = 0; 4260e689cf4aSJeff Kirsher rp->rbr_index = 0; 4261e689cf4aSJeff Kirsher } 4262e689cf4aSJeff Kirsher kfree(rp->rxhash); 4263e689cf4aSJeff Kirsher rp->rxhash = NULL; 4264e689cf4aSJeff Kirsher } 4265e689cf4aSJeff Kirsher 4266e689cf4aSJeff Kirsher static void niu_free_tx_ring_info(struct niu *np, struct tx_ring_info *rp) 4267e689cf4aSJeff Kirsher { 4268e689cf4aSJeff Kirsher if (rp->mbox) { 4269e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4270e689cf4aSJeff Kirsher sizeof(struct txdma_mailbox), 4271e689cf4aSJeff Kirsher rp->mbox, rp->mbox_dma); 4272e689cf4aSJeff Kirsher rp->mbox = NULL; 4273e689cf4aSJeff Kirsher } 4274e689cf4aSJeff Kirsher if (rp->descr) { 4275e689cf4aSJeff Kirsher int i; 4276e689cf4aSJeff Kirsher 4277e689cf4aSJeff Kirsher for (i = 0; i < MAX_TX_RING_SIZE; i++) { 4278e689cf4aSJeff Kirsher if (rp->tx_buffs[i].skb) 4279e689cf4aSJeff Kirsher (void) release_tx_packet(np, rp, i); 4280e689cf4aSJeff Kirsher } 4281e689cf4aSJeff Kirsher 4282e689cf4aSJeff Kirsher np->ops->free_coherent(np->device, 4283e689cf4aSJeff Kirsher MAX_TX_RING_SIZE * sizeof(__le64), 4284e689cf4aSJeff Kirsher rp->descr, rp->descr_dma); 4285e689cf4aSJeff Kirsher rp->descr = NULL; 4286e689cf4aSJeff Kirsher rp->pending = 0; 4287e689cf4aSJeff Kirsher rp->prod = 0; 4288e689cf4aSJeff Kirsher rp->cons = 0; 4289e689cf4aSJeff Kirsher rp->wrap_bit = 0; 4290e689cf4aSJeff Kirsher } 4291e689cf4aSJeff Kirsher } 4292e689cf4aSJeff Kirsher 4293e689cf4aSJeff Kirsher static void niu_free_channels(struct niu *np) 4294e689cf4aSJeff Kirsher { 4295e689cf4aSJeff Kirsher int i; 4296e689cf4aSJeff Kirsher 4297e689cf4aSJeff Kirsher if (np->rx_rings) { 4298e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4299e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4300e689cf4aSJeff Kirsher 4301e689cf4aSJeff Kirsher niu_free_rx_ring_info(np, rp); 4302e689cf4aSJeff Kirsher } 4303e689cf4aSJeff Kirsher kfree(np->rx_rings); 4304e689cf4aSJeff Kirsher np->rx_rings = NULL; 4305e689cf4aSJeff Kirsher np->num_rx_rings = 0; 4306e689cf4aSJeff Kirsher } 4307e689cf4aSJeff Kirsher 4308e689cf4aSJeff Kirsher if (np->tx_rings) { 4309e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 4310e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 4311e689cf4aSJeff Kirsher 4312e689cf4aSJeff Kirsher niu_free_tx_ring_info(np, rp); 4313e689cf4aSJeff Kirsher } 4314e689cf4aSJeff Kirsher kfree(np->tx_rings); 4315e689cf4aSJeff Kirsher np->tx_rings = NULL; 4316e689cf4aSJeff Kirsher np->num_tx_rings = 0; 4317e689cf4aSJeff Kirsher } 4318e689cf4aSJeff Kirsher } 4319e689cf4aSJeff Kirsher 4320e689cf4aSJeff Kirsher static int niu_alloc_rx_ring_info(struct niu *np, 4321e689cf4aSJeff Kirsher struct rx_ring_info *rp) 4322e689cf4aSJeff Kirsher { 4323e689cf4aSJeff Kirsher BUILD_BUG_ON(sizeof(struct rxdma_mailbox) != 64); 4324e689cf4aSJeff Kirsher 4325b2adaca9SJoe Perches rp->rxhash = kcalloc(MAX_RBR_RING_SIZE, sizeof(struct page *), 4326e689cf4aSJeff Kirsher GFP_KERNEL); 4327e689cf4aSJeff Kirsher if (!rp->rxhash) 4328e689cf4aSJeff Kirsher return -ENOMEM; 4329e689cf4aSJeff Kirsher 4330e689cf4aSJeff Kirsher rp->mbox = np->ops->alloc_coherent(np->device, 4331e689cf4aSJeff Kirsher sizeof(struct rxdma_mailbox), 4332e689cf4aSJeff Kirsher &rp->mbox_dma, GFP_KERNEL); 4333e689cf4aSJeff Kirsher if (!rp->mbox) 4334e689cf4aSJeff Kirsher return -ENOMEM; 4335e689cf4aSJeff Kirsher if ((unsigned long)rp->mbox & (64UL - 1)) { 4336e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA mailbox %p\n", 4337e689cf4aSJeff Kirsher rp->mbox); 4338e689cf4aSJeff Kirsher return -EINVAL; 4339e689cf4aSJeff Kirsher } 4340e689cf4aSJeff Kirsher 4341e689cf4aSJeff Kirsher rp->rcr = np->ops->alloc_coherent(np->device, 4342e689cf4aSJeff Kirsher MAX_RCR_RING_SIZE * sizeof(__le64), 4343e689cf4aSJeff Kirsher &rp->rcr_dma, GFP_KERNEL); 4344e689cf4aSJeff Kirsher if (!rp->rcr) 4345e689cf4aSJeff Kirsher return -ENOMEM; 4346e689cf4aSJeff Kirsher if ((unsigned long)rp->rcr & (64UL - 1)) { 4347e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA RCR table %p\n", 4348e689cf4aSJeff Kirsher rp->rcr); 4349e689cf4aSJeff Kirsher return -EINVAL; 4350e689cf4aSJeff Kirsher } 4351e689cf4aSJeff Kirsher rp->rcr_table_size = MAX_RCR_RING_SIZE; 4352e689cf4aSJeff Kirsher rp->rcr_index = 0; 4353e689cf4aSJeff Kirsher 4354e689cf4aSJeff Kirsher rp->rbr = np->ops->alloc_coherent(np->device, 4355e689cf4aSJeff Kirsher MAX_RBR_RING_SIZE * sizeof(__le32), 4356e689cf4aSJeff Kirsher &rp->rbr_dma, GFP_KERNEL); 4357e689cf4aSJeff Kirsher if (!rp->rbr) 4358e689cf4aSJeff Kirsher return -ENOMEM; 4359e689cf4aSJeff Kirsher if ((unsigned long)rp->rbr & (64UL - 1)) { 4360e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA RBR table %p\n", 4361e689cf4aSJeff Kirsher rp->rbr); 4362e689cf4aSJeff Kirsher return -EINVAL; 4363e689cf4aSJeff Kirsher } 4364e689cf4aSJeff Kirsher rp->rbr_table_size = MAX_RBR_RING_SIZE; 4365e689cf4aSJeff Kirsher rp->rbr_index = 0; 4366e689cf4aSJeff Kirsher rp->rbr_pending = 0; 4367e689cf4aSJeff Kirsher 4368e689cf4aSJeff Kirsher return 0; 4369e689cf4aSJeff Kirsher } 4370e689cf4aSJeff Kirsher 4371e689cf4aSJeff Kirsher static void niu_set_max_burst(struct niu *np, struct tx_ring_info *rp) 4372e689cf4aSJeff Kirsher { 4373e689cf4aSJeff Kirsher int mtu = np->dev->mtu; 4374e689cf4aSJeff Kirsher 4375e689cf4aSJeff Kirsher /* These values are recommended by the HW designers for fair 4376e689cf4aSJeff Kirsher * utilization of DRR amongst the rings. 4377e689cf4aSJeff Kirsher */ 4378e689cf4aSJeff Kirsher rp->max_burst = mtu + 32; 4379e689cf4aSJeff Kirsher if (rp->max_burst > 4096) 4380e689cf4aSJeff Kirsher rp->max_burst = 4096; 4381e689cf4aSJeff Kirsher } 4382e689cf4aSJeff Kirsher 4383e689cf4aSJeff Kirsher static int niu_alloc_tx_ring_info(struct niu *np, 4384e689cf4aSJeff Kirsher struct tx_ring_info *rp) 4385e689cf4aSJeff Kirsher { 4386e689cf4aSJeff Kirsher BUILD_BUG_ON(sizeof(struct txdma_mailbox) != 64); 4387e689cf4aSJeff Kirsher 4388e689cf4aSJeff Kirsher rp->mbox = np->ops->alloc_coherent(np->device, 4389e689cf4aSJeff Kirsher sizeof(struct txdma_mailbox), 4390e689cf4aSJeff Kirsher &rp->mbox_dma, GFP_KERNEL); 4391e689cf4aSJeff Kirsher if (!rp->mbox) 4392e689cf4aSJeff Kirsher return -ENOMEM; 4393e689cf4aSJeff Kirsher if ((unsigned long)rp->mbox & (64UL - 1)) { 4394e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned TXDMA mailbox %p\n", 4395e689cf4aSJeff Kirsher rp->mbox); 4396e689cf4aSJeff Kirsher return -EINVAL; 4397e689cf4aSJeff Kirsher } 4398e689cf4aSJeff Kirsher 4399e689cf4aSJeff Kirsher rp->descr = np->ops->alloc_coherent(np->device, 4400e689cf4aSJeff Kirsher MAX_TX_RING_SIZE * sizeof(__le64), 4401e689cf4aSJeff Kirsher &rp->descr_dma, GFP_KERNEL); 4402e689cf4aSJeff Kirsher if (!rp->descr) 4403e689cf4aSJeff Kirsher return -ENOMEM; 4404e689cf4aSJeff Kirsher if ((unsigned long)rp->descr & (64UL - 1)) { 4405e689cf4aSJeff Kirsher netdev_err(np->dev, "Coherent alloc gives misaligned TXDMA descr table %p\n", 4406e689cf4aSJeff Kirsher rp->descr); 4407e689cf4aSJeff Kirsher return -EINVAL; 4408e689cf4aSJeff Kirsher } 4409e689cf4aSJeff Kirsher 4410e689cf4aSJeff Kirsher rp->pending = MAX_TX_RING_SIZE; 4411e689cf4aSJeff Kirsher rp->prod = 0; 4412e689cf4aSJeff Kirsher rp->cons = 0; 4413e689cf4aSJeff Kirsher rp->wrap_bit = 0; 4414e689cf4aSJeff Kirsher 4415e689cf4aSJeff Kirsher /* XXX make these configurable... XXX */ 4416e689cf4aSJeff Kirsher rp->mark_freq = rp->pending / 4; 4417e689cf4aSJeff Kirsher 4418e689cf4aSJeff Kirsher niu_set_max_burst(np, rp); 4419e689cf4aSJeff Kirsher 4420e689cf4aSJeff Kirsher return 0; 4421e689cf4aSJeff Kirsher } 4422e689cf4aSJeff Kirsher 4423e689cf4aSJeff Kirsher static void niu_size_rbr(struct niu *np, struct rx_ring_info *rp) 4424e689cf4aSJeff Kirsher { 4425e689cf4aSJeff Kirsher u16 bss; 4426e689cf4aSJeff Kirsher 4427e689cf4aSJeff Kirsher bss = min(PAGE_SHIFT, 15); 4428e689cf4aSJeff Kirsher 4429e689cf4aSJeff Kirsher rp->rbr_block_size = 1 << bss; 4430e689cf4aSJeff Kirsher rp->rbr_blocks_per_page = 1 << (PAGE_SHIFT-bss); 4431e689cf4aSJeff Kirsher 4432e689cf4aSJeff Kirsher rp->rbr_sizes[0] = 256; 4433e689cf4aSJeff Kirsher rp->rbr_sizes[1] = 1024; 4434e689cf4aSJeff Kirsher if (np->dev->mtu > ETH_DATA_LEN) { 4435e689cf4aSJeff Kirsher switch (PAGE_SIZE) { 4436e689cf4aSJeff Kirsher case 4 * 1024: 4437e689cf4aSJeff Kirsher rp->rbr_sizes[2] = 4096; 4438e689cf4aSJeff Kirsher break; 4439e689cf4aSJeff Kirsher 4440e689cf4aSJeff Kirsher default: 4441e689cf4aSJeff Kirsher rp->rbr_sizes[2] = 8192; 4442e689cf4aSJeff Kirsher break; 4443e689cf4aSJeff Kirsher } 4444e689cf4aSJeff Kirsher } else { 4445e689cf4aSJeff Kirsher rp->rbr_sizes[2] = 2048; 4446e689cf4aSJeff Kirsher } 4447e689cf4aSJeff Kirsher rp->rbr_sizes[3] = rp->rbr_block_size; 4448e689cf4aSJeff Kirsher } 4449e689cf4aSJeff Kirsher 4450e689cf4aSJeff Kirsher static int niu_alloc_channels(struct niu *np) 4451e689cf4aSJeff Kirsher { 4452e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 4453e689cf4aSJeff Kirsher int first_rx_channel, first_tx_channel; 4454e689cf4aSJeff Kirsher int num_rx_rings, num_tx_rings; 4455e689cf4aSJeff Kirsher struct rx_ring_info *rx_rings; 4456e689cf4aSJeff Kirsher struct tx_ring_info *tx_rings; 4457e689cf4aSJeff Kirsher int i, port, err; 4458e689cf4aSJeff Kirsher 4459e689cf4aSJeff Kirsher port = np->port; 4460e689cf4aSJeff Kirsher first_rx_channel = first_tx_channel = 0; 4461e689cf4aSJeff Kirsher for (i = 0; i < port; i++) { 4462e689cf4aSJeff Kirsher first_rx_channel += parent->rxchan_per_port[i]; 4463e689cf4aSJeff Kirsher first_tx_channel += parent->txchan_per_port[i]; 4464e689cf4aSJeff Kirsher } 4465e689cf4aSJeff Kirsher 4466e689cf4aSJeff Kirsher num_rx_rings = parent->rxchan_per_port[port]; 4467e689cf4aSJeff Kirsher num_tx_rings = parent->txchan_per_port[port]; 4468e689cf4aSJeff Kirsher 4469e689cf4aSJeff Kirsher rx_rings = kcalloc(num_rx_rings, sizeof(struct rx_ring_info), 4470e689cf4aSJeff Kirsher GFP_KERNEL); 4471e689cf4aSJeff Kirsher err = -ENOMEM; 4472e689cf4aSJeff Kirsher if (!rx_rings) 4473e689cf4aSJeff Kirsher goto out_err; 4474e689cf4aSJeff Kirsher 4475e689cf4aSJeff Kirsher np->num_rx_rings = num_rx_rings; 4476e689cf4aSJeff Kirsher smp_wmb(); 4477e689cf4aSJeff Kirsher np->rx_rings = rx_rings; 4478e689cf4aSJeff Kirsher 4479e689cf4aSJeff Kirsher netif_set_real_num_rx_queues(np->dev, num_rx_rings); 4480e689cf4aSJeff Kirsher 4481e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4482e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4483e689cf4aSJeff Kirsher 4484e689cf4aSJeff Kirsher rp->np = np; 4485e689cf4aSJeff Kirsher rp->rx_channel = first_rx_channel + i; 4486e689cf4aSJeff Kirsher 4487e689cf4aSJeff Kirsher err = niu_alloc_rx_ring_info(np, rp); 4488e689cf4aSJeff Kirsher if (err) 4489e689cf4aSJeff Kirsher goto out_err; 4490e689cf4aSJeff Kirsher 4491e689cf4aSJeff Kirsher niu_size_rbr(np, rp); 4492e689cf4aSJeff Kirsher 4493e689cf4aSJeff Kirsher /* XXX better defaults, configurable, etc... XXX */ 4494e689cf4aSJeff Kirsher rp->nonsyn_window = 64; 4495e689cf4aSJeff Kirsher rp->nonsyn_threshold = rp->rcr_table_size - 64; 4496e689cf4aSJeff Kirsher rp->syn_window = 64; 4497e689cf4aSJeff Kirsher rp->syn_threshold = rp->rcr_table_size - 64; 4498e689cf4aSJeff Kirsher rp->rcr_pkt_threshold = 16; 4499e689cf4aSJeff Kirsher rp->rcr_timeout = 8; 4500e689cf4aSJeff Kirsher rp->rbr_kick_thresh = RBR_REFILL_MIN; 4501e689cf4aSJeff Kirsher if (rp->rbr_kick_thresh < rp->rbr_blocks_per_page) 4502e689cf4aSJeff Kirsher rp->rbr_kick_thresh = rp->rbr_blocks_per_page; 4503e689cf4aSJeff Kirsher 4504e689cf4aSJeff Kirsher err = niu_rbr_fill(np, rp, GFP_KERNEL); 4505e689cf4aSJeff Kirsher if (err) 4506e689cf4aSJeff Kirsher return err; 4507e689cf4aSJeff Kirsher } 4508e689cf4aSJeff Kirsher 4509e689cf4aSJeff Kirsher tx_rings = kcalloc(num_tx_rings, sizeof(struct tx_ring_info), 4510e689cf4aSJeff Kirsher GFP_KERNEL); 4511e689cf4aSJeff Kirsher err = -ENOMEM; 4512e689cf4aSJeff Kirsher if (!tx_rings) 4513e689cf4aSJeff Kirsher goto out_err; 4514e689cf4aSJeff Kirsher 4515e689cf4aSJeff Kirsher np->num_tx_rings = num_tx_rings; 4516e689cf4aSJeff Kirsher smp_wmb(); 4517e689cf4aSJeff Kirsher np->tx_rings = tx_rings; 4518e689cf4aSJeff Kirsher 4519e689cf4aSJeff Kirsher netif_set_real_num_tx_queues(np->dev, num_tx_rings); 4520e689cf4aSJeff Kirsher 4521e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 4522e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 4523e689cf4aSJeff Kirsher 4524e689cf4aSJeff Kirsher rp->np = np; 4525e689cf4aSJeff Kirsher rp->tx_channel = first_tx_channel + i; 4526e689cf4aSJeff Kirsher 4527e689cf4aSJeff Kirsher err = niu_alloc_tx_ring_info(np, rp); 4528e689cf4aSJeff Kirsher if (err) 4529e689cf4aSJeff Kirsher goto out_err; 4530e689cf4aSJeff Kirsher } 4531e689cf4aSJeff Kirsher 4532e689cf4aSJeff Kirsher return 0; 4533e689cf4aSJeff Kirsher 4534e689cf4aSJeff Kirsher out_err: 4535e689cf4aSJeff Kirsher niu_free_channels(np); 4536e689cf4aSJeff Kirsher return err; 4537e689cf4aSJeff Kirsher } 4538e689cf4aSJeff Kirsher 4539e689cf4aSJeff Kirsher static int niu_tx_cs_sng_poll(struct niu *np, int channel) 4540e689cf4aSJeff Kirsher { 4541e689cf4aSJeff Kirsher int limit = 1000; 4542e689cf4aSJeff Kirsher 4543e689cf4aSJeff Kirsher while (--limit > 0) { 4544e689cf4aSJeff Kirsher u64 val = nr64(TX_CS(channel)); 4545e689cf4aSJeff Kirsher if (val & TX_CS_SNG_STATE) 4546e689cf4aSJeff Kirsher return 0; 4547e689cf4aSJeff Kirsher } 4548e689cf4aSJeff Kirsher return -ENODEV; 4549e689cf4aSJeff Kirsher } 4550e689cf4aSJeff Kirsher 4551e689cf4aSJeff Kirsher static int niu_tx_channel_stop(struct niu *np, int channel) 4552e689cf4aSJeff Kirsher { 4553e689cf4aSJeff Kirsher u64 val = nr64(TX_CS(channel)); 4554e689cf4aSJeff Kirsher 4555e689cf4aSJeff Kirsher val |= TX_CS_STOP_N_GO; 4556e689cf4aSJeff Kirsher nw64(TX_CS(channel), val); 4557e689cf4aSJeff Kirsher 4558e689cf4aSJeff Kirsher return niu_tx_cs_sng_poll(np, channel); 4559e689cf4aSJeff Kirsher } 4560e689cf4aSJeff Kirsher 4561e689cf4aSJeff Kirsher static int niu_tx_cs_reset_poll(struct niu *np, int channel) 4562e689cf4aSJeff Kirsher { 4563e689cf4aSJeff Kirsher int limit = 1000; 4564e689cf4aSJeff Kirsher 4565e689cf4aSJeff Kirsher while (--limit > 0) { 4566e689cf4aSJeff Kirsher u64 val = nr64(TX_CS(channel)); 4567e689cf4aSJeff Kirsher if (!(val & TX_CS_RST)) 4568e689cf4aSJeff Kirsher return 0; 4569e689cf4aSJeff Kirsher } 4570e689cf4aSJeff Kirsher return -ENODEV; 4571e689cf4aSJeff Kirsher } 4572e689cf4aSJeff Kirsher 4573e689cf4aSJeff Kirsher static int niu_tx_channel_reset(struct niu *np, int channel) 4574e689cf4aSJeff Kirsher { 4575e689cf4aSJeff Kirsher u64 val = nr64(TX_CS(channel)); 4576e689cf4aSJeff Kirsher int err; 4577e689cf4aSJeff Kirsher 4578e689cf4aSJeff Kirsher val |= TX_CS_RST; 4579e689cf4aSJeff Kirsher nw64(TX_CS(channel), val); 4580e689cf4aSJeff Kirsher 4581e689cf4aSJeff Kirsher err = niu_tx_cs_reset_poll(np, channel); 4582e689cf4aSJeff Kirsher if (!err) 4583e689cf4aSJeff Kirsher nw64(TX_RING_KICK(channel), 0); 4584e689cf4aSJeff Kirsher 4585e689cf4aSJeff Kirsher return err; 4586e689cf4aSJeff Kirsher } 4587e689cf4aSJeff Kirsher 4588e689cf4aSJeff Kirsher static int niu_tx_channel_lpage_init(struct niu *np, int channel) 4589e689cf4aSJeff Kirsher { 4590e689cf4aSJeff Kirsher u64 val; 4591e689cf4aSJeff Kirsher 4592e689cf4aSJeff Kirsher nw64(TX_LOG_MASK1(channel), 0); 4593e689cf4aSJeff Kirsher nw64(TX_LOG_VAL1(channel), 0); 4594e689cf4aSJeff Kirsher nw64(TX_LOG_MASK2(channel), 0); 4595e689cf4aSJeff Kirsher nw64(TX_LOG_VAL2(channel), 0); 4596e689cf4aSJeff Kirsher nw64(TX_LOG_PAGE_RELO1(channel), 0); 4597e689cf4aSJeff Kirsher nw64(TX_LOG_PAGE_RELO2(channel), 0); 4598e689cf4aSJeff Kirsher nw64(TX_LOG_PAGE_HDL(channel), 0); 4599e689cf4aSJeff Kirsher 4600e689cf4aSJeff Kirsher val = (u64)np->port << TX_LOG_PAGE_VLD_FUNC_SHIFT; 4601e689cf4aSJeff Kirsher val |= (TX_LOG_PAGE_VLD_PAGE0 | TX_LOG_PAGE_VLD_PAGE1); 4602e689cf4aSJeff Kirsher nw64(TX_LOG_PAGE_VLD(channel), val); 4603e689cf4aSJeff Kirsher 4604e689cf4aSJeff Kirsher /* XXX TXDMA 32bit mode? XXX */ 4605e689cf4aSJeff Kirsher 4606e689cf4aSJeff Kirsher return 0; 4607e689cf4aSJeff Kirsher } 4608e689cf4aSJeff Kirsher 4609e689cf4aSJeff Kirsher static void niu_txc_enable_port(struct niu *np, int on) 4610e689cf4aSJeff Kirsher { 4611e689cf4aSJeff Kirsher unsigned long flags; 4612e689cf4aSJeff Kirsher u64 val, mask; 4613e689cf4aSJeff Kirsher 4614e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 4615e689cf4aSJeff Kirsher val = nr64(TXC_CONTROL); 4616e689cf4aSJeff Kirsher mask = (u64)1 << np->port; 4617e689cf4aSJeff Kirsher if (on) { 4618e689cf4aSJeff Kirsher val |= TXC_CONTROL_ENABLE | mask; 4619e689cf4aSJeff Kirsher } else { 4620e689cf4aSJeff Kirsher val &= ~mask; 4621e689cf4aSJeff Kirsher if ((val & ~TXC_CONTROL_ENABLE) == 0) 4622e689cf4aSJeff Kirsher val &= ~TXC_CONTROL_ENABLE; 4623e689cf4aSJeff Kirsher } 4624e689cf4aSJeff Kirsher nw64(TXC_CONTROL, val); 4625e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 4626e689cf4aSJeff Kirsher } 4627e689cf4aSJeff Kirsher 4628e689cf4aSJeff Kirsher static void niu_txc_set_imask(struct niu *np, u64 imask) 4629e689cf4aSJeff Kirsher { 4630e689cf4aSJeff Kirsher unsigned long flags; 4631e689cf4aSJeff Kirsher u64 val; 4632e689cf4aSJeff Kirsher 4633e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 4634e689cf4aSJeff Kirsher val = nr64(TXC_INT_MASK); 4635e689cf4aSJeff Kirsher val &= ~TXC_INT_MASK_VAL(np->port); 4636e689cf4aSJeff Kirsher val |= (imask << TXC_INT_MASK_VAL_SHIFT(np->port)); 4637e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 4638e689cf4aSJeff Kirsher } 4639e689cf4aSJeff Kirsher 4640e689cf4aSJeff Kirsher static void niu_txc_port_dma_enable(struct niu *np, int on) 4641e689cf4aSJeff Kirsher { 4642e689cf4aSJeff Kirsher u64 val = 0; 4643e689cf4aSJeff Kirsher 4644e689cf4aSJeff Kirsher if (on) { 4645e689cf4aSJeff Kirsher int i; 4646e689cf4aSJeff Kirsher 4647e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) 4648e689cf4aSJeff Kirsher val |= (1 << np->tx_rings[i].tx_channel); 4649e689cf4aSJeff Kirsher } 4650e689cf4aSJeff Kirsher nw64(TXC_PORT_DMA(np->port), val); 4651e689cf4aSJeff Kirsher } 4652e689cf4aSJeff Kirsher 4653e689cf4aSJeff Kirsher static int niu_init_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 4654e689cf4aSJeff Kirsher { 4655e689cf4aSJeff Kirsher int err, channel = rp->tx_channel; 4656e689cf4aSJeff Kirsher u64 val, ring_len; 4657e689cf4aSJeff Kirsher 4658e689cf4aSJeff Kirsher err = niu_tx_channel_stop(np, channel); 4659e689cf4aSJeff Kirsher if (err) 4660e689cf4aSJeff Kirsher return err; 4661e689cf4aSJeff Kirsher 4662e689cf4aSJeff Kirsher err = niu_tx_channel_reset(np, channel); 4663e689cf4aSJeff Kirsher if (err) 4664e689cf4aSJeff Kirsher return err; 4665e689cf4aSJeff Kirsher 4666e689cf4aSJeff Kirsher err = niu_tx_channel_lpage_init(np, channel); 4667e689cf4aSJeff Kirsher if (err) 4668e689cf4aSJeff Kirsher return err; 4669e689cf4aSJeff Kirsher 4670e689cf4aSJeff Kirsher nw64(TXC_DMA_MAX(channel), rp->max_burst); 4671e689cf4aSJeff Kirsher nw64(TX_ENT_MSK(channel), 0); 4672e689cf4aSJeff Kirsher 4673e689cf4aSJeff Kirsher if (rp->descr_dma & ~(TX_RNG_CFIG_STADDR_BASE | 4674e689cf4aSJeff Kirsher TX_RNG_CFIG_STADDR)) { 4675e689cf4aSJeff Kirsher netdev_err(np->dev, "TX ring channel %d DMA addr (%llx) is not aligned\n", 4676e689cf4aSJeff Kirsher channel, (unsigned long long)rp->descr_dma); 4677e689cf4aSJeff Kirsher return -EINVAL; 4678e689cf4aSJeff Kirsher } 4679e689cf4aSJeff Kirsher 4680e689cf4aSJeff Kirsher /* The length field in TX_RNG_CFIG is measured in 64-byte 4681e689cf4aSJeff Kirsher * blocks. rp->pending is the number of TX descriptors in 4682e689cf4aSJeff Kirsher * our ring, 8 bytes each, thus we divide by 8 bytes more 4683e689cf4aSJeff Kirsher * to get the proper value the chip wants. 4684e689cf4aSJeff Kirsher */ 4685e689cf4aSJeff Kirsher ring_len = (rp->pending / 8); 4686e689cf4aSJeff Kirsher 4687e689cf4aSJeff Kirsher val = ((ring_len << TX_RNG_CFIG_LEN_SHIFT) | 4688e689cf4aSJeff Kirsher rp->descr_dma); 4689e689cf4aSJeff Kirsher nw64(TX_RNG_CFIG(channel), val); 4690e689cf4aSJeff Kirsher 4691e689cf4aSJeff Kirsher if (((rp->mbox_dma >> 32) & ~TXDMA_MBH_MBADDR) || 4692e689cf4aSJeff Kirsher ((u32)rp->mbox_dma & ~TXDMA_MBL_MBADDR)) { 4693e689cf4aSJeff Kirsher netdev_err(np->dev, "TX ring channel %d MBOX addr (%llx) has invalid bits\n", 4694e689cf4aSJeff Kirsher channel, (unsigned long long)rp->mbox_dma); 4695e689cf4aSJeff Kirsher return -EINVAL; 4696e689cf4aSJeff Kirsher } 4697e689cf4aSJeff Kirsher nw64(TXDMA_MBH(channel), rp->mbox_dma >> 32); 4698e689cf4aSJeff Kirsher nw64(TXDMA_MBL(channel), rp->mbox_dma & TXDMA_MBL_MBADDR); 4699e689cf4aSJeff Kirsher 4700e689cf4aSJeff Kirsher nw64(TX_CS(channel), 0); 4701e689cf4aSJeff Kirsher 4702e689cf4aSJeff Kirsher rp->last_pkt_cnt = 0; 4703e689cf4aSJeff Kirsher 4704e689cf4aSJeff Kirsher return 0; 4705e689cf4aSJeff Kirsher } 4706e689cf4aSJeff Kirsher 4707e689cf4aSJeff Kirsher static void niu_init_rdc_groups(struct niu *np) 4708e689cf4aSJeff Kirsher { 4709e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &np->parent->rdc_group_cfg[np->port]; 4710e689cf4aSJeff Kirsher int i, first_table_num = tp->first_table_num; 4711e689cf4aSJeff Kirsher 4712e689cf4aSJeff Kirsher for (i = 0; i < tp->num_tables; i++) { 4713e689cf4aSJeff Kirsher struct rdc_table *tbl = &tp->tables[i]; 4714e689cf4aSJeff Kirsher int this_table = first_table_num + i; 4715e689cf4aSJeff Kirsher int slot; 4716e689cf4aSJeff Kirsher 4717e689cf4aSJeff Kirsher for (slot = 0; slot < NIU_RDC_TABLE_SLOTS; slot++) 4718e689cf4aSJeff Kirsher nw64(RDC_TBL(this_table, slot), 4719e689cf4aSJeff Kirsher tbl->rxdma_channel[slot]); 4720e689cf4aSJeff Kirsher } 4721e689cf4aSJeff Kirsher 4722e689cf4aSJeff Kirsher nw64(DEF_RDC(np->port), np->parent->rdc_default[np->port]); 4723e689cf4aSJeff Kirsher } 4724e689cf4aSJeff Kirsher 4725e689cf4aSJeff Kirsher static void niu_init_drr_weight(struct niu *np) 4726e689cf4aSJeff Kirsher { 4727e689cf4aSJeff Kirsher int type = phy_decode(np->parent->port_phy, np->port); 4728e689cf4aSJeff Kirsher u64 val; 4729e689cf4aSJeff Kirsher 4730e689cf4aSJeff Kirsher switch (type) { 4731e689cf4aSJeff Kirsher case PORT_TYPE_10G: 4732e689cf4aSJeff Kirsher val = PT_DRR_WEIGHT_DEFAULT_10G; 4733e689cf4aSJeff Kirsher break; 4734e689cf4aSJeff Kirsher 4735e689cf4aSJeff Kirsher case PORT_TYPE_1G: 4736e689cf4aSJeff Kirsher default: 4737e689cf4aSJeff Kirsher val = PT_DRR_WEIGHT_DEFAULT_1G; 4738e689cf4aSJeff Kirsher break; 4739e689cf4aSJeff Kirsher } 4740e689cf4aSJeff Kirsher nw64(PT_DRR_WT(np->port), val); 4741e689cf4aSJeff Kirsher } 4742e689cf4aSJeff Kirsher 4743e689cf4aSJeff Kirsher static int niu_init_hostinfo(struct niu *np) 4744e689cf4aSJeff Kirsher { 4745e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 4746e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 4747e689cf4aSJeff Kirsher int i, err, num_alt = niu_num_alt_addr(np); 4748e689cf4aSJeff Kirsher int first_rdc_table = tp->first_table_num; 4749e689cf4aSJeff Kirsher 4750e689cf4aSJeff Kirsher err = niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 4751e689cf4aSJeff Kirsher if (err) 4752e689cf4aSJeff Kirsher return err; 4753e689cf4aSJeff Kirsher 4754e689cf4aSJeff Kirsher err = niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 4755e689cf4aSJeff Kirsher if (err) 4756e689cf4aSJeff Kirsher return err; 4757e689cf4aSJeff Kirsher 4758e689cf4aSJeff Kirsher for (i = 0; i < num_alt; i++) { 4759e689cf4aSJeff Kirsher err = niu_set_alt_mac_rdc_table(np, i, first_rdc_table, 1); 4760e689cf4aSJeff Kirsher if (err) 4761e689cf4aSJeff Kirsher return err; 4762e689cf4aSJeff Kirsher } 4763e689cf4aSJeff Kirsher 4764e689cf4aSJeff Kirsher return 0; 4765e689cf4aSJeff Kirsher } 4766e689cf4aSJeff Kirsher 4767e689cf4aSJeff Kirsher static int niu_rx_channel_reset(struct niu *np, int channel) 4768e689cf4aSJeff Kirsher { 4769e689cf4aSJeff Kirsher return niu_set_and_wait_clear(np, RXDMA_CFIG1(channel), 4770e689cf4aSJeff Kirsher RXDMA_CFIG1_RST, 1000, 10, 4771e689cf4aSJeff Kirsher "RXDMA_CFIG1"); 4772e689cf4aSJeff Kirsher } 4773e689cf4aSJeff Kirsher 4774e689cf4aSJeff Kirsher static int niu_rx_channel_lpage_init(struct niu *np, int channel) 4775e689cf4aSJeff Kirsher { 4776e689cf4aSJeff Kirsher u64 val; 4777e689cf4aSJeff Kirsher 4778e689cf4aSJeff Kirsher nw64(RX_LOG_MASK1(channel), 0); 4779e689cf4aSJeff Kirsher nw64(RX_LOG_VAL1(channel), 0); 4780e689cf4aSJeff Kirsher nw64(RX_LOG_MASK2(channel), 0); 4781e689cf4aSJeff Kirsher nw64(RX_LOG_VAL2(channel), 0); 4782e689cf4aSJeff Kirsher nw64(RX_LOG_PAGE_RELO1(channel), 0); 4783e689cf4aSJeff Kirsher nw64(RX_LOG_PAGE_RELO2(channel), 0); 4784e689cf4aSJeff Kirsher nw64(RX_LOG_PAGE_HDL(channel), 0); 4785e689cf4aSJeff Kirsher 4786e689cf4aSJeff Kirsher val = (u64)np->port << RX_LOG_PAGE_VLD_FUNC_SHIFT; 4787e689cf4aSJeff Kirsher val |= (RX_LOG_PAGE_VLD_PAGE0 | RX_LOG_PAGE_VLD_PAGE1); 4788e689cf4aSJeff Kirsher nw64(RX_LOG_PAGE_VLD(channel), val); 4789e689cf4aSJeff Kirsher 4790e689cf4aSJeff Kirsher return 0; 4791e689cf4aSJeff Kirsher } 4792e689cf4aSJeff Kirsher 4793e689cf4aSJeff Kirsher static void niu_rx_channel_wred_init(struct niu *np, struct rx_ring_info *rp) 4794e689cf4aSJeff Kirsher { 4795e689cf4aSJeff Kirsher u64 val; 4796e689cf4aSJeff Kirsher 4797e689cf4aSJeff Kirsher val = (((u64)rp->nonsyn_window << RDC_RED_PARA_WIN_SHIFT) | 4798e689cf4aSJeff Kirsher ((u64)rp->nonsyn_threshold << RDC_RED_PARA_THRE_SHIFT) | 4799e689cf4aSJeff Kirsher ((u64)rp->syn_window << RDC_RED_PARA_WIN_SYN_SHIFT) | 4800e689cf4aSJeff Kirsher ((u64)rp->syn_threshold << RDC_RED_PARA_THRE_SYN_SHIFT)); 4801e689cf4aSJeff Kirsher nw64(RDC_RED_PARA(rp->rx_channel), val); 4802e689cf4aSJeff Kirsher } 4803e689cf4aSJeff Kirsher 4804e689cf4aSJeff Kirsher static int niu_compute_rbr_cfig_b(struct rx_ring_info *rp, u64 *ret) 4805e689cf4aSJeff Kirsher { 4806e689cf4aSJeff Kirsher u64 val = 0; 4807e689cf4aSJeff Kirsher 4808e689cf4aSJeff Kirsher *ret = 0; 4809e689cf4aSJeff Kirsher switch (rp->rbr_block_size) { 4810e689cf4aSJeff Kirsher case 4 * 1024: 4811e689cf4aSJeff Kirsher val |= (RBR_BLKSIZE_4K << RBR_CFIG_B_BLKSIZE_SHIFT); 4812e689cf4aSJeff Kirsher break; 4813e689cf4aSJeff Kirsher case 8 * 1024: 4814e689cf4aSJeff Kirsher val |= (RBR_BLKSIZE_8K << RBR_CFIG_B_BLKSIZE_SHIFT); 4815e689cf4aSJeff Kirsher break; 4816e689cf4aSJeff Kirsher case 16 * 1024: 4817e689cf4aSJeff Kirsher val |= (RBR_BLKSIZE_16K << RBR_CFIG_B_BLKSIZE_SHIFT); 4818e689cf4aSJeff Kirsher break; 4819e689cf4aSJeff Kirsher case 32 * 1024: 4820e689cf4aSJeff Kirsher val |= (RBR_BLKSIZE_32K << RBR_CFIG_B_BLKSIZE_SHIFT); 4821e689cf4aSJeff Kirsher break; 4822e689cf4aSJeff Kirsher default: 4823e689cf4aSJeff Kirsher return -EINVAL; 4824e689cf4aSJeff Kirsher } 4825e689cf4aSJeff Kirsher val |= RBR_CFIG_B_VLD2; 4826e689cf4aSJeff Kirsher switch (rp->rbr_sizes[2]) { 4827e689cf4aSJeff Kirsher case 2 * 1024: 4828e689cf4aSJeff Kirsher val |= (RBR_BUFSZ2_2K << RBR_CFIG_B_BUFSZ2_SHIFT); 4829e689cf4aSJeff Kirsher break; 4830e689cf4aSJeff Kirsher case 4 * 1024: 4831e689cf4aSJeff Kirsher val |= (RBR_BUFSZ2_4K << RBR_CFIG_B_BUFSZ2_SHIFT); 4832e689cf4aSJeff Kirsher break; 4833e689cf4aSJeff Kirsher case 8 * 1024: 4834e689cf4aSJeff Kirsher val |= (RBR_BUFSZ2_8K << RBR_CFIG_B_BUFSZ2_SHIFT); 4835e689cf4aSJeff Kirsher break; 4836e689cf4aSJeff Kirsher case 16 * 1024: 4837e689cf4aSJeff Kirsher val |= (RBR_BUFSZ2_16K << RBR_CFIG_B_BUFSZ2_SHIFT); 4838e689cf4aSJeff Kirsher break; 4839e689cf4aSJeff Kirsher 4840e689cf4aSJeff Kirsher default: 4841e689cf4aSJeff Kirsher return -EINVAL; 4842e689cf4aSJeff Kirsher } 4843e689cf4aSJeff Kirsher val |= RBR_CFIG_B_VLD1; 4844e689cf4aSJeff Kirsher switch (rp->rbr_sizes[1]) { 4845e689cf4aSJeff Kirsher case 1 * 1024: 4846e689cf4aSJeff Kirsher val |= (RBR_BUFSZ1_1K << RBR_CFIG_B_BUFSZ1_SHIFT); 4847e689cf4aSJeff Kirsher break; 4848e689cf4aSJeff Kirsher case 2 * 1024: 4849e689cf4aSJeff Kirsher val |= (RBR_BUFSZ1_2K << RBR_CFIG_B_BUFSZ1_SHIFT); 4850e689cf4aSJeff Kirsher break; 4851e689cf4aSJeff Kirsher case 4 * 1024: 4852e689cf4aSJeff Kirsher val |= (RBR_BUFSZ1_4K << RBR_CFIG_B_BUFSZ1_SHIFT); 4853e689cf4aSJeff Kirsher break; 4854e689cf4aSJeff Kirsher case 8 * 1024: 4855e689cf4aSJeff Kirsher val |= (RBR_BUFSZ1_8K << RBR_CFIG_B_BUFSZ1_SHIFT); 4856e689cf4aSJeff Kirsher break; 4857e689cf4aSJeff Kirsher 4858e689cf4aSJeff Kirsher default: 4859e689cf4aSJeff Kirsher return -EINVAL; 4860e689cf4aSJeff Kirsher } 4861e689cf4aSJeff Kirsher val |= RBR_CFIG_B_VLD0; 4862e689cf4aSJeff Kirsher switch (rp->rbr_sizes[0]) { 4863e689cf4aSJeff Kirsher case 256: 4864e689cf4aSJeff Kirsher val |= (RBR_BUFSZ0_256 << RBR_CFIG_B_BUFSZ0_SHIFT); 4865e689cf4aSJeff Kirsher break; 4866e689cf4aSJeff Kirsher case 512: 4867e689cf4aSJeff Kirsher val |= (RBR_BUFSZ0_512 << RBR_CFIG_B_BUFSZ0_SHIFT); 4868e689cf4aSJeff Kirsher break; 4869e689cf4aSJeff Kirsher case 1 * 1024: 4870e689cf4aSJeff Kirsher val |= (RBR_BUFSZ0_1K << RBR_CFIG_B_BUFSZ0_SHIFT); 4871e689cf4aSJeff Kirsher break; 4872e689cf4aSJeff Kirsher case 2 * 1024: 4873e689cf4aSJeff Kirsher val |= (RBR_BUFSZ0_2K << RBR_CFIG_B_BUFSZ0_SHIFT); 4874e689cf4aSJeff Kirsher break; 4875e689cf4aSJeff Kirsher 4876e689cf4aSJeff Kirsher default: 4877e689cf4aSJeff Kirsher return -EINVAL; 4878e689cf4aSJeff Kirsher } 4879e689cf4aSJeff Kirsher 4880e689cf4aSJeff Kirsher *ret = val; 4881e689cf4aSJeff Kirsher return 0; 4882e689cf4aSJeff Kirsher } 4883e689cf4aSJeff Kirsher 4884e689cf4aSJeff Kirsher static int niu_enable_rx_channel(struct niu *np, int channel, int on) 4885e689cf4aSJeff Kirsher { 4886e689cf4aSJeff Kirsher u64 val = nr64(RXDMA_CFIG1(channel)); 4887e689cf4aSJeff Kirsher int limit; 4888e689cf4aSJeff Kirsher 4889e689cf4aSJeff Kirsher if (on) 4890e689cf4aSJeff Kirsher val |= RXDMA_CFIG1_EN; 4891e689cf4aSJeff Kirsher else 4892e689cf4aSJeff Kirsher val &= ~RXDMA_CFIG1_EN; 4893e689cf4aSJeff Kirsher nw64(RXDMA_CFIG1(channel), val); 4894e689cf4aSJeff Kirsher 4895e689cf4aSJeff Kirsher limit = 1000; 4896e689cf4aSJeff Kirsher while (--limit > 0) { 4897e689cf4aSJeff Kirsher if (nr64(RXDMA_CFIG1(channel)) & RXDMA_CFIG1_QST) 4898e689cf4aSJeff Kirsher break; 4899e689cf4aSJeff Kirsher udelay(10); 4900e689cf4aSJeff Kirsher } 4901e689cf4aSJeff Kirsher if (limit <= 0) 4902e689cf4aSJeff Kirsher return -ENODEV; 4903e689cf4aSJeff Kirsher return 0; 4904e689cf4aSJeff Kirsher } 4905e689cf4aSJeff Kirsher 4906e689cf4aSJeff Kirsher static int niu_init_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 4907e689cf4aSJeff Kirsher { 4908e689cf4aSJeff Kirsher int err, channel = rp->rx_channel; 4909e689cf4aSJeff Kirsher u64 val; 4910e689cf4aSJeff Kirsher 4911e689cf4aSJeff Kirsher err = niu_rx_channel_reset(np, channel); 4912e689cf4aSJeff Kirsher if (err) 4913e689cf4aSJeff Kirsher return err; 4914e689cf4aSJeff Kirsher 4915e689cf4aSJeff Kirsher err = niu_rx_channel_lpage_init(np, channel); 4916e689cf4aSJeff Kirsher if (err) 4917e689cf4aSJeff Kirsher return err; 4918e689cf4aSJeff Kirsher 4919e689cf4aSJeff Kirsher niu_rx_channel_wred_init(np, rp); 4920e689cf4aSJeff Kirsher 4921e689cf4aSJeff Kirsher nw64(RX_DMA_ENT_MSK(channel), RX_DMA_ENT_MSK_RBR_EMPTY); 4922e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(channel), 4923e689cf4aSJeff Kirsher (RX_DMA_CTL_STAT_MEX | 4924e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_RCRTHRES | 4925e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_RCRTO | 4926e689cf4aSJeff Kirsher RX_DMA_CTL_STAT_RBR_EMPTY)); 4927e689cf4aSJeff Kirsher nw64(RXDMA_CFIG1(channel), rp->mbox_dma >> 32); 4928e689cf4aSJeff Kirsher nw64(RXDMA_CFIG2(channel), 4929e689cf4aSJeff Kirsher ((rp->mbox_dma & RXDMA_CFIG2_MBADDR_L) | 4930e689cf4aSJeff Kirsher RXDMA_CFIG2_FULL_HDR)); 4931e689cf4aSJeff Kirsher nw64(RBR_CFIG_A(channel), 4932e689cf4aSJeff Kirsher ((u64)rp->rbr_table_size << RBR_CFIG_A_LEN_SHIFT) | 4933e689cf4aSJeff Kirsher (rp->rbr_dma & (RBR_CFIG_A_STADDR_BASE | RBR_CFIG_A_STADDR))); 4934e689cf4aSJeff Kirsher err = niu_compute_rbr_cfig_b(rp, &val); 4935e689cf4aSJeff Kirsher if (err) 4936e689cf4aSJeff Kirsher return err; 4937e689cf4aSJeff Kirsher nw64(RBR_CFIG_B(channel), val); 4938e689cf4aSJeff Kirsher nw64(RCRCFIG_A(channel), 4939e689cf4aSJeff Kirsher ((u64)rp->rcr_table_size << RCRCFIG_A_LEN_SHIFT) | 4940e689cf4aSJeff Kirsher (rp->rcr_dma & (RCRCFIG_A_STADDR_BASE | RCRCFIG_A_STADDR))); 4941e689cf4aSJeff Kirsher nw64(RCRCFIG_B(channel), 4942e689cf4aSJeff Kirsher ((u64)rp->rcr_pkt_threshold << RCRCFIG_B_PTHRES_SHIFT) | 4943e689cf4aSJeff Kirsher RCRCFIG_B_ENTOUT | 4944e689cf4aSJeff Kirsher ((u64)rp->rcr_timeout << RCRCFIG_B_TIMEOUT_SHIFT)); 4945e689cf4aSJeff Kirsher 4946e689cf4aSJeff Kirsher err = niu_enable_rx_channel(np, channel, 1); 4947e689cf4aSJeff Kirsher if (err) 4948e689cf4aSJeff Kirsher return err; 4949e689cf4aSJeff Kirsher 4950e689cf4aSJeff Kirsher nw64(RBR_KICK(channel), rp->rbr_index); 4951e689cf4aSJeff Kirsher 4952e689cf4aSJeff Kirsher val = nr64(RX_DMA_CTL_STAT(channel)); 4953e689cf4aSJeff Kirsher val |= RX_DMA_CTL_STAT_RBR_EMPTY; 4954e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(channel), val); 4955e689cf4aSJeff Kirsher 4956e689cf4aSJeff Kirsher return 0; 4957e689cf4aSJeff Kirsher } 4958e689cf4aSJeff Kirsher 4959e689cf4aSJeff Kirsher static int niu_init_rx_channels(struct niu *np) 4960e689cf4aSJeff Kirsher { 4961e689cf4aSJeff Kirsher unsigned long flags; 4962e689cf4aSJeff Kirsher u64 seed = jiffies_64; 4963e689cf4aSJeff Kirsher int err, i; 4964e689cf4aSJeff Kirsher 4965e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 4966e689cf4aSJeff Kirsher nw64(RX_DMA_CK_DIV, np->parent->rxdma_clock_divider); 4967e689cf4aSJeff Kirsher nw64(RED_RAN_INIT, RED_RAN_INIT_OPMODE | (seed & RED_RAN_INIT_VAL)); 4968e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 4969e689cf4aSJeff Kirsher 4970e689cf4aSJeff Kirsher /* XXX RXDMA 32bit mode? XXX */ 4971e689cf4aSJeff Kirsher 4972e689cf4aSJeff Kirsher niu_init_rdc_groups(np); 4973e689cf4aSJeff Kirsher niu_init_drr_weight(np); 4974e689cf4aSJeff Kirsher 4975e689cf4aSJeff Kirsher err = niu_init_hostinfo(np); 4976e689cf4aSJeff Kirsher if (err) 4977e689cf4aSJeff Kirsher return err; 4978e689cf4aSJeff Kirsher 4979e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 4980e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 4981e689cf4aSJeff Kirsher 4982e689cf4aSJeff Kirsher err = niu_init_one_rx_channel(np, rp); 4983e689cf4aSJeff Kirsher if (err) 4984e689cf4aSJeff Kirsher return err; 4985e689cf4aSJeff Kirsher } 4986e689cf4aSJeff Kirsher 4987e689cf4aSJeff Kirsher return 0; 4988e689cf4aSJeff Kirsher } 4989e689cf4aSJeff Kirsher 4990e689cf4aSJeff Kirsher static int niu_set_ip_frag_rule(struct niu *np) 4991e689cf4aSJeff Kirsher { 4992e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 4993e689cf4aSJeff Kirsher struct niu_classifier *cp = &np->clas; 4994e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 4995e689cf4aSJeff Kirsher int index, err; 4996e689cf4aSJeff Kirsher 4997e689cf4aSJeff Kirsher index = cp->tcam_top; 4998e689cf4aSJeff Kirsher tp = &parent->tcam[index]; 4999e689cf4aSJeff Kirsher 5000e689cf4aSJeff Kirsher /* Note that the noport bit is the same in both ipv4 and 5001e689cf4aSJeff Kirsher * ipv6 format TCAM entries. 5002e689cf4aSJeff Kirsher */ 5003e689cf4aSJeff Kirsher memset(tp, 0, sizeof(*tp)); 5004e689cf4aSJeff Kirsher tp->key[1] = TCAM_V4KEY1_NOPORT; 5005e689cf4aSJeff Kirsher tp->key_mask[1] = TCAM_V4KEY1_NOPORT; 5006e689cf4aSJeff Kirsher tp->assoc_data = (TCAM_ASSOCDATA_TRES_USE_OFFSET | 5007e689cf4aSJeff Kirsher ((u64)0 << TCAM_ASSOCDATA_OFFSET_SHIFT)); 5008e689cf4aSJeff Kirsher err = tcam_write(np, index, tp->key, tp->key_mask); 5009e689cf4aSJeff Kirsher if (err) 5010e689cf4aSJeff Kirsher return err; 5011e689cf4aSJeff Kirsher err = tcam_assoc_write(np, index, tp->assoc_data); 5012e689cf4aSJeff Kirsher if (err) 5013e689cf4aSJeff Kirsher return err; 5014e689cf4aSJeff Kirsher tp->valid = 1; 5015e689cf4aSJeff Kirsher cp->tcam_valid_entries++; 5016e689cf4aSJeff Kirsher 5017e689cf4aSJeff Kirsher return 0; 5018e689cf4aSJeff Kirsher } 5019e689cf4aSJeff Kirsher 5020e689cf4aSJeff Kirsher static int niu_init_classifier_hw(struct niu *np) 5021e689cf4aSJeff Kirsher { 5022e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 5023e689cf4aSJeff Kirsher struct niu_classifier *cp = &np->clas; 5024e689cf4aSJeff Kirsher int i, err; 5025e689cf4aSJeff Kirsher 5026e689cf4aSJeff Kirsher nw64(H1POLY, cp->h1_init); 5027e689cf4aSJeff Kirsher nw64(H2POLY, cp->h2_init); 5028e689cf4aSJeff Kirsher 5029e689cf4aSJeff Kirsher err = niu_init_hostinfo(np); 5030e689cf4aSJeff Kirsher if (err) 5031e689cf4aSJeff Kirsher return err; 5032e689cf4aSJeff Kirsher 5033e689cf4aSJeff Kirsher for (i = 0; i < ENET_VLAN_TBL_NUM_ENTRIES; i++) { 5034e689cf4aSJeff Kirsher struct niu_vlan_rdc *vp = &cp->vlan_mappings[i]; 5035e689cf4aSJeff Kirsher 5036e689cf4aSJeff Kirsher vlan_tbl_write(np, i, np->port, 5037e689cf4aSJeff Kirsher vp->vlan_pref, vp->rdc_num); 5038e689cf4aSJeff Kirsher } 5039e689cf4aSJeff Kirsher 5040e689cf4aSJeff Kirsher for (i = 0; i < cp->num_alt_mac_mappings; i++) { 5041e689cf4aSJeff Kirsher struct niu_altmac_rdc *ap = &cp->alt_mac_mappings[i]; 5042e689cf4aSJeff Kirsher 5043e689cf4aSJeff Kirsher err = niu_set_alt_mac_rdc_table(np, ap->alt_mac_num, 5044e689cf4aSJeff Kirsher ap->rdc_num, ap->mac_pref); 5045e689cf4aSJeff Kirsher if (err) 5046e689cf4aSJeff Kirsher return err; 5047e689cf4aSJeff Kirsher } 5048e689cf4aSJeff Kirsher 5049e689cf4aSJeff Kirsher for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_SCTP_IPV6; i++) { 5050e689cf4aSJeff Kirsher int index = i - CLASS_CODE_USER_PROG1; 5051e689cf4aSJeff Kirsher 5052e689cf4aSJeff Kirsher err = niu_set_tcam_key(np, i, parent->tcam_key[index]); 5053e689cf4aSJeff Kirsher if (err) 5054e689cf4aSJeff Kirsher return err; 5055e689cf4aSJeff Kirsher err = niu_set_flow_key(np, i, parent->flow_key[index]); 5056e689cf4aSJeff Kirsher if (err) 5057e689cf4aSJeff Kirsher return err; 5058e689cf4aSJeff Kirsher } 5059e689cf4aSJeff Kirsher 5060e689cf4aSJeff Kirsher err = niu_set_ip_frag_rule(np); 5061e689cf4aSJeff Kirsher if (err) 5062e689cf4aSJeff Kirsher return err; 5063e689cf4aSJeff Kirsher 5064e689cf4aSJeff Kirsher tcam_enable(np, 1); 5065e689cf4aSJeff Kirsher 5066e689cf4aSJeff Kirsher return 0; 5067e689cf4aSJeff Kirsher } 5068e689cf4aSJeff Kirsher 5069e689cf4aSJeff Kirsher static int niu_zcp_write(struct niu *np, int index, u64 *data) 5070e689cf4aSJeff Kirsher { 5071e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA0, data[0]); 5072e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA1, data[1]); 5073e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA2, data[2]); 5074e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA3, data[3]); 5075e689cf4aSJeff Kirsher nw64(ZCP_RAM_DATA4, data[4]); 5076e689cf4aSJeff Kirsher nw64(ZCP_RAM_BE, ZCP_RAM_BE_VAL); 5077e689cf4aSJeff Kirsher nw64(ZCP_RAM_ACC, 5078e689cf4aSJeff Kirsher (ZCP_RAM_ACC_WRITE | 5079e689cf4aSJeff Kirsher (0 << ZCP_RAM_ACC_ZFCID_SHIFT) | 5080e689cf4aSJeff Kirsher (ZCP_RAM_SEL_CFIFO(np->port) << ZCP_RAM_ACC_RAM_SEL_SHIFT))); 5081e689cf4aSJeff Kirsher 5082e689cf4aSJeff Kirsher return niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5083e689cf4aSJeff Kirsher 1000, 100); 5084e689cf4aSJeff Kirsher } 5085e689cf4aSJeff Kirsher 5086e689cf4aSJeff Kirsher static int niu_zcp_read(struct niu *np, int index, u64 *data) 5087e689cf4aSJeff Kirsher { 5088e689cf4aSJeff Kirsher int err; 5089e689cf4aSJeff Kirsher 5090e689cf4aSJeff Kirsher err = niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5091e689cf4aSJeff Kirsher 1000, 100); 5092e689cf4aSJeff Kirsher if (err) { 5093e689cf4aSJeff Kirsher netdev_err(np->dev, "ZCP read busy won't clear, ZCP_RAM_ACC[%llx]\n", 5094e689cf4aSJeff Kirsher (unsigned long long)nr64(ZCP_RAM_ACC)); 5095e689cf4aSJeff Kirsher return err; 5096e689cf4aSJeff Kirsher } 5097e689cf4aSJeff Kirsher 5098e689cf4aSJeff Kirsher nw64(ZCP_RAM_ACC, 5099e689cf4aSJeff Kirsher (ZCP_RAM_ACC_READ | 5100e689cf4aSJeff Kirsher (0 << ZCP_RAM_ACC_ZFCID_SHIFT) | 5101e689cf4aSJeff Kirsher (ZCP_RAM_SEL_CFIFO(np->port) << ZCP_RAM_ACC_RAM_SEL_SHIFT))); 5102e689cf4aSJeff Kirsher 5103e689cf4aSJeff Kirsher err = niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5104e689cf4aSJeff Kirsher 1000, 100); 5105e689cf4aSJeff Kirsher if (err) { 5106e689cf4aSJeff Kirsher netdev_err(np->dev, "ZCP read busy2 won't clear, ZCP_RAM_ACC[%llx]\n", 5107e689cf4aSJeff Kirsher (unsigned long long)nr64(ZCP_RAM_ACC)); 5108e689cf4aSJeff Kirsher return err; 5109e689cf4aSJeff Kirsher } 5110e689cf4aSJeff Kirsher 5111e689cf4aSJeff Kirsher data[0] = nr64(ZCP_RAM_DATA0); 5112e689cf4aSJeff Kirsher data[1] = nr64(ZCP_RAM_DATA1); 5113e689cf4aSJeff Kirsher data[2] = nr64(ZCP_RAM_DATA2); 5114e689cf4aSJeff Kirsher data[3] = nr64(ZCP_RAM_DATA3); 5115e689cf4aSJeff Kirsher data[4] = nr64(ZCP_RAM_DATA4); 5116e689cf4aSJeff Kirsher 5117e689cf4aSJeff Kirsher return 0; 5118e689cf4aSJeff Kirsher } 5119e689cf4aSJeff Kirsher 5120e689cf4aSJeff Kirsher static void niu_zcp_cfifo_reset(struct niu *np) 5121e689cf4aSJeff Kirsher { 5122e689cf4aSJeff Kirsher u64 val = nr64(RESET_CFIFO); 5123e689cf4aSJeff Kirsher 5124e689cf4aSJeff Kirsher val |= RESET_CFIFO_RST(np->port); 5125e689cf4aSJeff Kirsher nw64(RESET_CFIFO, val); 5126e689cf4aSJeff Kirsher udelay(10); 5127e689cf4aSJeff Kirsher 5128e689cf4aSJeff Kirsher val &= ~RESET_CFIFO_RST(np->port); 5129e689cf4aSJeff Kirsher nw64(RESET_CFIFO, val); 5130e689cf4aSJeff Kirsher } 5131e689cf4aSJeff Kirsher 5132e689cf4aSJeff Kirsher static int niu_init_zcp(struct niu *np) 5133e689cf4aSJeff Kirsher { 5134e689cf4aSJeff Kirsher u64 data[5], rbuf[5]; 5135e689cf4aSJeff Kirsher int i, max, err; 5136e689cf4aSJeff Kirsher 5137e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 5138e689cf4aSJeff Kirsher if (np->port == 0 || np->port == 1) 5139e689cf4aSJeff Kirsher max = ATLAS_P0_P1_CFIFO_ENTRIES; 5140e689cf4aSJeff Kirsher else 5141e689cf4aSJeff Kirsher max = ATLAS_P2_P3_CFIFO_ENTRIES; 5142e689cf4aSJeff Kirsher } else 5143e689cf4aSJeff Kirsher max = NIU_CFIFO_ENTRIES; 5144e689cf4aSJeff Kirsher 5145e689cf4aSJeff Kirsher data[0] = 0; 5146e689cf4aSJeff Kirsher data[1] = 0; 5147e689cf4aSJeff Kirsher data[2] = 0; 5148e689cf4aSJeff Kirsher data[3] = 0; 5149e689cf4aSJeff Kirsher data[4] = 0; 5150e689cf4aSJeff Kirsher 5151e689cf4aSJeff Kirsher for (i = 0; i < max; i++) { 5152e689cf4aSJeff Kirsher err = niu_zcp_write(np, i, data); 5153e689cf4aSJeff Kirsher if (err) 5154e689cf4aSJeff Kirsher return err; 5155e689cf4aSJeff Kirsher err = niu_zcp_read(np, i, rbuf); 5156e689cf4aSJeff Kirsher if (err) 5157e689cf4aSJeff Kirsher return err; 5158e689cf4aSJeff Kirsher } 5159e689cf4aSJeff Kirsher 5160e689cf4aSJeff Kirsher niu_zcp_cfifo_reset(np); 5161e689cf4aSJeff Kirsher nw64(CFIFO_ECC(np->port), 0); 5162e689cf4aSJeff Kirsher nw64(ZCP_INT_STAT, ZCP_INT_STAT_ALL); 5163e689cf4aSJeff Kirsher (void) nr64(ZCP_INT_STAT); 5164e689cf4aSJeff Kirsher nw64(ZCP_INT_MASK, ZCP_INT_MASK_ALL); 5165e689cf4aSJeff Kirsher 5166e689cf4aSJeff Kirsher return 0; 5167e689cf4aSJeff Kirsher } 5168e689cf4aSJeff Kirsher 5169e689cf4aSJeff Kirsher static void niu_ipp_write(struct niu *np, int index, u64 *data) 5170e689cf4aSJeff Kirsher { 5171e689cf4aSJeff Kirsher u64 val = nr64_ipp(IPP_CFIG); 5172e689cf4aSJeff Kirsher 5173e689cf4aSJeff Kirsher nw64_ipp(IPP_CFIG, val | IPP_CFIG_DFIFO_PIO_W); 5174e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR_PTR, index); 5175e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR0, data[0]); 5176e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR1, data[1]); 5177e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR2, data[2]); 5178e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR3, data[3]); 5179e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_WR4, data[4]); 5180e689cf4aSJeff Kirsher nw64_ipp(IPP_CFIG, val & ~IPP_CFIG_DFIFO_PIO_W); 5181e689cf4aSJeff Kirsher } 5182e689cf4aSJeff Kirsher 5183e689cf4aSJeff Kirsher static void niu_ipp_read(struct niu *np, int index, u64 *data) 5184e689cf4aSJeff Kirsher { 5185e689cf4aSJeff Kirsher nw64_ipp(IPP_DFIFO_RD_PTR, index); 5186e689cf4aSJeff Kirsher data[0] = nr64_ipp(IPP_DFIFO_RD0); 5187e689cf4aSJeff Kirsher data[1] = nr64_ipp(IPP_DFIFO_RD1); 5188e689cf4aSJeff Kirsher data[2] = nr64_ipp(IPP_DFIFO_RD2); 5189e689cf4aSJeff Kirsher data[3] = nr64_ipp(IPP_DFIFO_RD3); 5190e689cf4aSJeff Kirsher data[4] = nr64_ipp(IPP_DFIFO_RD4); 5191e689cf4aSJeff Kirsher } 5192e689cf4aSJeff Kirsher 5193e689cf4aSJeff Kirsher static int niu_ipp_reset(struct niu *np) 5194e689cf4aSJeff Kirsher { 5195e689cf4aSJeff Kirsher return niu_set_and_wait_clear_ipp(np, IPP_CFIG, IPP_CFIG_SOFT_RST, 5196e689cf4aSJeff Kirsher 1000, 100, "IPP_CFIG"); 5197e689cf4aSJeff Kirsher } 5198e689cf4aSJeff Kirsher 5199e689cf4aSJeff Kirsher static int niu_init_ipp(struct niu *np) 5200e689cf4aSJeff Kirsher { 5201e689cf4aSJeff Kirsher u64 data[5], rbuf[5], val; 5202e689cf4aSJeff Kirsher int i, max, err; 5203e689cf4aSJeff Kirsher 5204e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 5205e689cf4aSJeff Kirsher if (np->port == 0 || np->port == 1) 5206e689cf4aSJeff Kirsher max = ATLAS_P0_P1_DFIFO_ENTRIES; 5207e689cf4aSJeff Kirsher else 5208e689cf4aSJeff Kirsher max = ATLAS_P2_P3_DFIFO_ENTRIES; 5209e689cf4aSJeff Kirsher } else 5210e689cf4aSJeff Kirsher max = NIU_DFIFO_ENTRIES; 5211e689cf4aSJeff Kirsher 5212e689cf4aSJeff Kirsher data[0] = 0; 5213e689cf4aSJeff Kirsher data[1] = 0; 5214e689cf4aSJeff Kirsher data[2] = 0; 5215e689cf4aSJeff Kirsher data[3] = 0; 5216e689cf4aSJeff Kirsher data[4] = 0; 5217e689cf4aSJeff Kirsher 5218e689cf4aSJeff Kirsher for (i = 0; i < max; i++) { 5219e689cf4aSJeff Kirsher niu_ipp_write(np, i, data); 5220e689cf4aSJeff Kirsher niu_ipp_read(np, i, rbuf); 5221e689cf4aSJeff Kirsher } 5222e689cf4aSJeff Kirsher 5223e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_INT_STAT); 5224e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_INT_STAT); 5225e689cf4aSJeff Kirsher 5226e689cf4aSJeff Kirsher err = niu_ipp_reset(np); 5227e689cf4aSJeff Kirsher if (err) 5228e689cf4aSJeff Kirsher return err; 5229e689cf4aSJeff Kirsher 5230e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_PKT_DIS); 5231e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_BAD_CS_CNT); 5232e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_ECC); 5233e689cf4aSJeff Kirsher 5234e689cf4aSJeff Kirsher (void) nr64_ipp(IPP_INT_STAT); 5235e689cf4aSJeff Kirsher 5236e689cf4aSJeff Kirsher nw64_ipp(IPP_MSK, ~IPP_MSK_ALL); 5237e689cf4aSJeff Kirsher 5238e689cf4aSJeff Kirsher val = nr64_ipp(IPP_CFIG); 5239e689cf4aSJeff Kirsher val &= ~IPP_CFIG_IP_MAX_PKT; 5240e689cf4aSJeff Kirsher val |= (IPP_CFIG_IPP_ENABLE | 5241e689cf4aSJeff Kirsher IPP_CFIG_DFIFO_ECC_EN | 5242e689cf4aSJeff Kirsher IPP_CFIG_DROP_BAD_CRC | 5243e689cf4aSJeff Kirsher IPP_CFIG_CKSUM_EN | 5244e689cf4aSJeff Kirsher (0x1ffff << IPP_CFIG_IP_MAX_PKT_SHIFT)); 5245e689cf4aSJeff Kirsher nw64_ipp(IPP_CFIG, val); 5246e689cf4aSJeff Kirsher 5247e689cf4aSJeff Kirsher return 0; 5248e689cf4aSJeff Kirsher } 5249e689cf4aSJeff Kirsher 5250e689cf4aSJeff Kirsher static void niu_handle_led(struct niu *np, int status) 5251e689cf4aSJeff Kirsher { 5252e689cf4aSJeff Kirsher u64 val; 5253e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5254e689cf4aSJeff Kirsher 5255e689cf4aSJeff Kirsher if ((np->flags & NIU_FLAGS_10G) != 0 && 5256e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_FIBER) != 0) { 5257e689cf4aSJeff Kirsher if (status) { 5258e689cf4aSJeff Kirsher val |= XMAC_CONFIG_LED_POLARITY; 5259e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_FORCE_LED_ON; 5260e689cf4aSJeff Kirsher } else { 5261e689cf4aSJeff Kirsher val |= XMAC_CONFIG_FORCE_LED_ON; 5262e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LED_POLARITY; 5263e689cf4aSJeff Kirsher } 5264e689cf4aSJeff Kirsher } 5265e689cf4aSJeff Kirsher 5266e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5267e689cf4aSJeff Kirsher } 5268e689cf4aSJeff Kirsher 5269e689cf4aSJeff Kirsher static void niu_init_xif_xmac(struct niu *np) 5270e689cf4aSJeff Kirsher { 5271e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 5272e689cf4aSJeff Kirsher u64 val; 5273e689cf4aSJeff Kirsher 5274e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XCVR_SERDES) { 5275e689cf4aSJeff Kirsher val = nr64(MIF_CONFIG); 5276e689cf4aSJeff Kirsher val |= MIF_CONFIG_ATCA_GE; 5277e689cf4aSJeff Kirsher nw64(MIF_CONFIG, val); 5278e689cf4aSJeff Kirsher } 5279e689cf4aSJeff Kirsher 5280e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5281e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC; 5282e689cf4aSJeff Kirsher 5283e689cf4aSJeff Kirsher val |= XMAC_CONFIG_TX_OUTPUT_EN; 5284e689cf4aSJeff Kirsher 5285e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_MAC) { 5286e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC; 5287e689cf4aSJeff Kirsher val |= XMAC_CONFIG_LOOPBACK; 5288e689cf4aSJeff Kirsher } else { 5289e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LOOPBACK; 5290e689cf4aSJeff Kirsher } 5291e689cf4aSJeff Kirsher 5292e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) { 5293e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_LFS_DISABLE; 5294e689cf4aSJeff Kirsher } else { 5295e689cf4aSJeff Kirsher val |= XMAC_CONFIG_LFS_DISABLE; 5296e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_FIBER) && 5297e689cf4aSJeff Kirsher !(np->flags & NIU_FLAGS_XCVR_SERDES)) 5298e689cf4aSJeff Kirsher val |= XMAC_CONFIG_1G_PCS_BYPASS; 5299e689cf4aSJeff Kirsher else 5300e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_1G_PCS_BYPASS; 5301e689cf4aSJeff Kirsher } 5302e689cf4aSJeff Kirsher 5303e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_10G_XPCS_BYPASS; 5304e689cf4aSJeff Kirsher 5305e689cf4aSJeff Kirsher if (lp->active_speed == SPEED_100) 5306e689cf4aSJeff Kirsher val |= XMAC_CONFIG_SEL_CLK_25MHZ; 5307e689cf4aSJeff Kirsher else 5308e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_SEL_CLK_25MHZ; 5309e689cf4aSJeff Kirsher 5310e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5311e689cf4aSJeff Kirsher 5312e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5313e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_MODE_MASK; 5314e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) { 5315e689cf4aSJeff Kirsher val |= XMAC_CONFIG_MODE_XGMII; 5316e689cf4aSJeff Kirsher } else { 5317e689cf4aSJeff Kirsher if (lp->active_speed == SPEED_1000) 5318e689cf4aSJeff Kirsher val |= XMAC_CONFIG_MODE_GMII; 5319e689cf4aSJeff Kirsher else 5320e689cf4aSJeff Kirsher val |= XMAC_CONFIG_MODE_MII; 5321e689cf4aSJeff Kirsher } 5322e689cf4aSJeff Kirsher 5323e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5324e689cf4aSJeff Kirsher } 5325e689cf4aSJeff Kirsher 5326e689cf4aSJeff Kirsher static void niu_init_xif_bmac(struct niu *np) 5327e689cf4aSJeff Kirsher { 5328e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 5329e689cf4aSJeff Kirsher u64 val; 5330e689cf4aSJeff Kirsher 5331e689cf4aSJeff Kirsher val = BMAC_XIF_CONFIG_TX_OUTPUT_EN; 5332e689cf4aSJeff Kirsher 5333e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_MAC) 5334e689cf4aSJeff Kirsher val |= BMAC_XIF_CONFIG_MII_LOOPBACK; 5335e689cf4aSJeff Kirsher else 5336e689cf4aSJeff Kirsher val &= ~BMAC_XIF_CONFIG_MII_LOOPBACK; 5337e689cf4aSJeff Kirsher 5338e689cf4aSJeff Kirsher if (lp->active_speed == SPEED_1000) 5339e689cf4aSJeff Kirsher val |= BMAC_XIF_CONFIG_GMII_MODE; 5340e689cf4aSJeff Kirsher else 5341e689cf4aSJeff Kirsher val &= ~BMAC_XIF_CONFIG_GMII_MODE; 5342e689cf4aSJeff Kirsher 5343e689cf4aSJeff Kirsher val &= ~(BMAC_XIF_CONFIG_LINK_LED | 5344e689cf4aSJeff Kirsher BMAC_XIF_CONFIG_LED_POLARITY); 5345e689cf4aSJeff Kirsher 5346e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_10G) && 5347e689cf4aSJeff Kirsher !(np->flags & NIU_FLAGS_FIBER) && 5348e689cf4aSJeff Kirsher lp->active_speed == SPEED_100) 5349e689cf4aSJeff Kirsher val |= BMAC_XIF_CONFIG_25MHZ_CLOCK; 5350e689cf4aSJeff Kirsher else 5351e689cf4aSJeff Kirsher val &= ~BMAC_XIF_CONFIG_25MHZ_CLOCK; 5352e689cf4aSJeff Kirsher 5353e689cf4aSJeff Kirsher nw64_mac(BMAC_XIF_CONFIG, val); 5354e689cf4aSJeff Kirsher } 5355e689cf4aSJeff Kirsher 5356e689cf4aSJeff Kirsher static void niu_init_xif(struct niu *np) 5357e689cf4aSJeff Kirsher { 5358e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5359e689cf4aSJeff Kirsher niu_init_xif_xmac(np); 5360e689cf4aSJeff Kirsher else 5361e689cf4aSJeff Kirsher niu_init_xif_bmac(np); 5362e689cf4aSJeff Kirsher } 5363e689cf4aSJeff Kirsher 5364e689cf4aSJeff Kirsher static void niu_pcs_mii_reset(struct niu *np) 5365e689cf4aSJeff Kirsher { 5366e689cf4aSJeff Kirsher int limit = 1000; 5367e689cf4aSJeff Kirsher u64 val = nr64_pcs(PCS_MII_CTL); 5368e689cf4aSJeff Kirsher val |= PCS_MII_CTL_RST; 5369e689cf4aSJeff Kirsher nw64_pcs(PCS_MII_CTL, val); 5370e689cf4aSJeff Kirsher while ((--limit >= 0) && (val & PCS_MII_CTL_RST)) { 5371e689cf4aSJeff Kirsher udelay(100); 5372e689cf4aSJeff Kirsher val = nr64_pcs(PCS_MII_CTL); 5373e689cf4aSJeff Kirsher } 5374e689cf4aSJeff Kirsher } 5375e689cf4aSJeff Kirsher 5376e689cf4aSJeff Kirsher static void niu_xpcs_reset(struct niu *np) 5377e689cf4aSJeff Kirsher { 5378e689cf4aSJeff Kirsher int limit = 1000; 5379e689cf4aSJeff Kirsher u64 val = nr64_xpcs(XPCS_CONTROL1); 5380e689cf4aSJeff Kirsher val |= XPCS_CONTROL1_RESET; 5381e689cf4aSJeff Kirsher nw64_xpcs(XPCS_CONTROL1, val); 5382e689cf4aSJeff Kirsher while ((--limit >= 0) && (val & XPCS_CONTROL1_RESET)) { 5383e689cf4aSJeff Kirsher udelay(100); 5384e689cf4aSJeff Kirsher val = nr64_xpcs(XPCS_CONTROL1); 5385e689cf4aSJeff Kirsher } 5386e689cf4aSJeff Kirsher } 5387e689cf4aSJeff Kirsher 5388e689cf4aSJeff Kirsher static int niu_init_pcs(struct niu *np) 5389e689cf4aSJeff Kirsher { 5390e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 5391e689cf4aSJeff Kirsher u64 val; 5392e689cf4aSJeff Kirsher 5393e689cf4aSJeff Kirsher switch (np->flags & (NIU_FLAGS_10G | 5394e689cf4aSJeff Kirsher NIU_FLAGS_FIBER | 5395e689cf4aSJeff Kirsher NIU_FLAGS_XCVR_SERDES)) { 5396e689cf4aSJeff Kirsher case NIU_FLAGS_FIBER: 5397e689cf4aSJeff Kirsher /* 1G fiber */ 5398e689cf4aSJeff Kirsher nw64_pcs(PCS_CONF, PCS_CONF_MASK | PCS_CONF_ENABLE); 5399e689cf4aSJeff Kirsher nw64_pcs(PCS_DPATH_MODE, 0); 5400e689cf4aSJeff Kirsher niu_pcs_mii_reset(np); 5401e689cf4aSJeff Kirsher break; 5402e689cf4aSJeff Kirsher 5403e689cf4aSJeff Kirsher case NIU_FLAGS_10G: 5404e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 5405e689cf4aSJeff Kirsher case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 5406e689cf4aSJeff Kirsher /* 10G SERDES */ 5407e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_XMAC)) 5408e689cf4aSJeff Kirsher return -EINVAL; 5409e689cf4aSJeff Kirsher 5410e689cf4aSJeff Kirsher /* 10G copper or fiber */ 5411e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5412e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_10G_XPCS_BYPASS; 5413e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5414e689cf4aSJeff Kirsher 5415e689cf4aSJeff Kirsher niu_xpcs_reset(np); 5416e689cf4aSJeff Kirsher 5417e689cf4aSJeff Kirsher val = nr64_xpcs(XPCS_CONTROL1); 5418e689cf4aSJeff Kirsher if (lp->loopback_mode == LOOPBACK_PHY) 5419e689cf4aSJeff Kirsher val |= XPCS_CONTROL1_LOOPBACK; 5420e689cf4aSJeff Kirsher else 5421e689cf4aSJeff Kirsher val &= ~XPCS_CONTROL1_LOOPBACK; 5422e689cf4aSJeff Kirsher nw64_xpcs(XPCS_CONTROL1, val); 5423e689cf4aSJeff Kirsher 5424e689cf4aSJeff Kirsher nw64_xpcs(XPCS_DESKEW_ERR_CNT, 0); 5425e689cf4aSJeff Kirsher (void) nr64_xpcs(XPCS_SYMERR_CNT01); 5426e689cf4aSJeff Kirsher (void) nr64_xpcs(XPCS_SYMERR_CNT23); 5427e689cf4aSJeff Kirsher break; 5428e689cf4aSJeff Kirsher 5429e689cf4aSJeff Kirsher 5430e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES: 5431e689cf4aSJeff Kirsher /* 1G SERDES */ 5432e689cf4aSJeff Kirsher niu_pcs_mii_reset(np); 5433e689cf4aSJeff Kirsher nw64_pcs(PCS_CONF, PCS_CONF_MASK | PCS_CONF_ENABLE); 5434e689cf4aSJeff Kirsher nw64_pcs(PCS_DPATH_MODE, 0); 5435e689cf4aSJeff Kirsher break; 5436e689cf4aSJeff Kirsher 5437e689cf4aSJeff Kirsher case 0: 5438e689cf4aSJeff Kirsher /* 1G copper */ 5439e689cf4aSJeff Kirsher case NIU_FLAGS_XCVR_SERDES | NIU_FLAGS_FIBER: 5440e689cf4aSJeff Kirsher /* 1G RGMII FIBER */ 5441e689cf4aSJeff Kirsher nw64_pcs(PCS_DPATH_MODE, PCS_DPATH_MODE_MII); 5442e689cf4aSJeff Kirsher niu_pcs_mii_reset(np); 5443e689cf4aSJeff Kirsher break; 5444e689cf4aSJeff Kirsher 5445e689cf4aSJeff Kirsher default: 5446e689cf4aSJeff Kirsher return -EINVAL; 5447e689cf4aSJeff Kirsher } 5448e689cf4aSJeff Kirsher 5449e689cf4aSJeff Kirsher return 0; 5450e689cf4aSJeff Kirsher } 5451e689cf4aSJeff Kirsher 5452e689cf4aSJeff Kirsher static int niu_reset_tx_xmac(struct niu *np) 5453e689cf4aSJeff Kirsher { 5454e689cf4aSJeff Kirsher return niu_set_and_wait_clear_mac(np, XTXMAC_SW_RST, 5455e689cf4aSJeff Kirsher (XTXMAC_SW_RST_REG_RS | 5456e689cf4aSJeff Kirsher XTXMAC_SW_RST_SOFT_RST), 5457e689cf4aSJeff Kirsher 1000, 100, "XTXMAC_SW_RST"); 5458e689cf4aSJeff Kirsher } 5459e689cf4aSJeff Kirsher 5460e689cf4aSJeff Kirsher static int niu_reset_tx_bmac(struct niu *np) 5461e689cf4aSJeff Kirsher { 5462e689cf4aSJeff Kirsher int limit; 5463e689cf4aSJeff Kirsher 5464e689cf4aSJeff Kirsher nw64_mac(BTXMAC_SW_RST, BTXMAC_SW_RST_RESET); 5465e689cf4aSJeff Kirsher limit = 1000; 5466e689cf4aSJeff Kirsher while (--limit >= 0) { 5467e689cf4aSJeff Kirsher if (!(nr64_mac(BTXMAC_SW_RST) & BTXMAC_SW_RST_RESET)) 5468e689cf4aSJeff Kirsher break; 5469e689cf4aSJeff Kirsher udelay(100); 5470e689cf4aSJeff Kirsher } 5471e689cf4aSJeff Kirsher if (limit < 0) { 5472e689cf4aSJeff Kirsher dev_err(np->device, "Port %u TX BMAC would not reset, BTXMAC_SW_RST[%llx]\n", 5473e689cf4aSJeff Kirsher np->port, 5474e689cf4aSJeff Kirsher (unsigned long long) nr64_mac(BTXMAC_SW_RST)); 5475e689cf4aSJeff Kirsher return -ENODEV; 5476e689cf4aSJeff Kirsher } 5477e689cf4aSJeff Kirsher 5478e689cf4aSJeff Kirsher return 0; 5479e689cf4aSJeff Kirsher } 5480e689cf4aSJeff Kirsher 5481e689cf4aSJeff Kirsher static int niu_reset_tx_mac(struct niu *np) 5482e689cf4aSJeff Kirsher { 5483e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5484e689cf4aSJeff Kirsher return niu_reset_tx_xmac(np); 5485e689cf4aSJeff Kirsher else 5486e689cf4aSJeff Kirsher return niu_reset_tx_bmac(np); 5487e689cf4aSJeff Kirsher } 5488e689cf4aSJeff Kirsher 5489e689cf4aSJeff Kirsher static void niu_init_tx_xmac(struct niu *np, u64 min, u64 max) 5490e689cf4aSJeff Kirsher { 5491e689cf4aSJeff Kirsher u64 val; 5492e689cf4aSJeff Kirsher 5493e689cf4aSJeff Kirsher val = nr64_mac(XMAC_MIN); 5494e689cf4aSJeff Kirsher val &= ~(XMAC_MIN_TX_MIN_PKT_SIZE | 5495e689cf4aSJeff Kirsher XMAC_MIN_RX_MIN_PKT_SIZE); 5496e689cf4aSJeff Kirsher val |= (min << XMAC_MIN_RX_MIN_PKT_SIZE_SHFT); 5497e689cf4aSJeff Kirsher val |= (min << XMAC_MIN_TX_MIN_PKT_SIZE_SHFT); 5498e689cf4aSJeff Kirsher nw64_mac(XMAC_MIN, val); 5499e689cf4aSJeff Kirsher 5500e689cf4aSJeff Kirsher nw64_mac(XMAC_MAX, max); 5501e689cf4aSJeff Kirsher 5502e689cf4aSJeff Kirsher nw64_mac(XTXMAC_STAT_MSK, ~(u64)0); 5503e689cf4aSJeff Kirsher 5504e689cf4aSJeff Kirsher val = nr64_mac(XMAC_IPG); 5505e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) { 5506e689cf4aSJeff Kirsher val &= ~XMAC_IPG_IPG_XGMII; 5507e689cf4aSJeff Kirsher val |= (IPG_12_15_XGMII << XMAC_IPG_IPG_XGMII_SHIFT); 5508e689cf4aSJeff Kirsher } else { 5509e689cf4aSJeff Kirsher val &= ~XMAC_IPG_IPG_MII_GMII; 5510e689cf4aSJeff Kirsher val |= (IPG_12_MII_GMII << XMAC_IPG_IPG_MII_GMII_SHIFT); 5511e689cf4aSJeff Kirsher } 5512e689cf4aSJeff Kirsher nw64_mac(XMAC_IPG, val); 5513e689cf4aSJeff Kirsher 5514e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5515e689cf4aSJeff Kirsher val &= ~(XMAC_CONFIG_ALWAYS_NO_CRC | 5516e689cf4aSJeff Kirsher XMAC_CONFIG_STRETCH_MODE | 5517e689cf4aSJeff Kirsher XMAC_CONFIG_VAR_MIN_IPG_EN | 5518e689cf4aSJeff Kirsher XMAC_CONFIG_TX_ENABLE); 5519e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5520e689cf4aSJeff Kirsher 5521e689cf4aSJeff Kirsher nw64_mac(TXMAC_FRM_CNT, 0); 5522e689cf4aSJeff Kirsher nw64_mac(TXMAC_BYTE_CNT, 0); 5523e689cf4aSJeff Kirsher } 5524e689cf4aSJeff Kirsher 5525e689cf4aSJeff Kirsher static void niu_init_tx_bmac(struct niu *np, u64 min, u64 max) 5526e689cf4aSJeff Kirsher { 5527e689cf4aSJeff Kirsher u64 val; 5528e689cf4aSJeff Kirsher 5529e689cf4aSJeff Kirsher nw64_mac(BMAC_MIN_FRAME, min); 5530e689cf4aSJeff Kirsher nw64_mac(BMAC_MAX_FRAME, max); 5531e689cf4aSJeff Kirsher 5532e689cf4aSJeff Kirsher nw64_mac(BTXMAC_STATUS_MASK, ~(u64)0); 5533e689cf4aSJeff Kirsher nw64_mac(BMAC_CTRL_TYPE, 0x8808); 5534e689cf4aSJeff Kirsher nw64_mac(BMAC_PREAMBLE_SIZE, 7); 5535e689cf4aSJeff Kirsher 5536e689cf4aSJeff Kirsher val = nr64_mac(BTXMAC_CONFIG); 5537e689cf4aSJeff Kirsher val &= ~(BTXMAC_CONFIG_FCS_DISABLE | 5538e689cf4aSJeff Kirsher BTXMAC_CONFIG_ENABLE); 5539e689cf4aSJeff Kirsher nw64_mac(BTXMAC_CONFIG, val); 5540e689cf4aSJeff Kirsher } 5541e689cf4aSJeff Kirsher 5542e689cf4aSJeff Kirsher static void niu_init_tx_mac(struct niu *np) 5543e689cf4aSJeff Kirsher { 5544e689cf4aSJeff Kirsher u64 min, max; 5545e689cf4aSJeff Kirsher 5546e689cf4aSJeff Kirsher min = 64; 5547e689cf4aSJeff Kirsher if (np->dev->mtu > ETH_DATA_LEN) 5548e689cf4aSJeff Kirsher max = 9216; 5549e689cf4aSJeff Kirsher else 5550e689cf4aSJeff Kirsher max = 1522; 5551e689cf4aSJeff Kirsher 5552e689cf4aSJeff Kirsher /* The XMAC_MIN register only accepts values for TX min which 5553e689cf4aSJeff Kirsher * have the low 3 bits cleared. 5554e689cf4aSJeff Kirsher */ 5555e689cf4aSJeff Kirsher BUG_ON(min & 0x7); 5556e689cf4aSJeff Kirsher 5557e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5558e689cf4aSJeff Kirsher niu_init_tx_xmac(np, min, max); 5559e689cf4aSJeff Kirsher else 5560e689cf4aSJeff Kirsher niu_init_tx_bmac(np, min, max); 5561e689cf4aSJeff Kirsher } 5562e689cf4aSJeff Kirsher 5563e689cf4aSJeff Kirsher static int niu_reset_rx_xmac(struct niu *np) 5564e689cf4aSJeff Kirsher { 5565e689cf4aSJeff Kirsher int limit; 5566e689cf4aSJeff Kirsher 5567e689cf4aSJeff Kirsher nw64_mac(XRXMAC_SW_RST, 5568e689cf4aSJeff Kirsher XRXMAC_SW_RST_REG_RS | XRXMAC_SW_RST_SOFT_RST); 5569e689cf4aSJeff Kirsher limit = 1000; 5570e689cf4aSJeff Kirsher while (--limit >= 0) { 5571e689cf4aSJeff Kirsher if (!(nr64_mac(XRXMAC_SW_RST) & (XRXMAC_SW_RST_REG_RS | 5572e689cf4aSJeff Kirsher XRXMAC_SW_RST_SOFT_RST))) 5573e689cf4aSJeff Kirsher break; 5574e689cf4aSJeff Kirsher udelay(100); 5575e689cf4aSJeff Kirsher } 5576e689cf4aSJeff Kirsher if (limit < 0) { 5577e689cf4aSJeff Kirsher dev_err(np->device, "Port %u RX XMAC would not reset, XRXMAC_SW_RST[%llx]\n", 5578e689cf4aSJeff Kirsher np->port, 5579e689cf4aSJeff Kirsher (unsigned long long) nr64_mac(XRXMAC_SW_RST)); 5580e689cf4aSJeff Kirsher return -ENODEV; 5581e689cf4aSJeff Kirsher } 5582e689cf4aSJeff Kirsher 5583e689cf4aSJeff Kirsher return 0; 5584e689cf4aSJeff Kirsher } 5585e689cf4aSJeff Kirsher 5586e689cf4aSJeff Kirsher static int niu_reset_rx_bmac(struct niu *np) 5587e689cf4aSJeff Kirsher { 5588e689cf4aSJeff Kirsher int limit; 5589e689cf4aSJeff Kirsher 5590e689cf4aSJeff Kirsher nw64_mac(BRXMAC_SW_RST, BRXMAC_SW_RST_RESET); 5591e689cf4aSJeff Kirsher limit = 1000; 5592e689cf4aSJeff Kirsher while (--limit >= 0) { 5593e689cf4aSJeff Kirsher if (!(nr64_mac(BRXMAC_SW_RST) & BRXMAC_SW_RST_RESET)) 5594e689cf4aSJeff Kirsher break; 5595e689cf4aSJeff Kirsher udelay(100); 5596e689cf4aSJeff Kirsher } 5597e689cf4aSJeff Kirsher if (limit < 0) { 5598e689cf4aSJeff Kirsher dev_err(np->device, "Port %u RX BMAC would not reset, BRXMAC_SW_RST[%llx]\n", 5599e689cf4aSJeff Kirsher np->port, 5600e689cf4aSJeff Kirsher (unsigned long long) nr64_mac(BRXMAC_SW_RST)); 5601e689cf4aSJeff Kirsher return -ENODEV; 5602e689cf4aSJeff Kirsher } 5603e689cf4aSJeff Kirsher 5604e689cf4aSJeff Kirsher return 0; 5605e689cf4aSJeff Kirsher } 5606e689cf4aSJeff Kirsher 5607e689cf4aSJeff Kirsher static int niu_reset_rx_mac(struct niu *np) 5608e689cf4aSJeff Kirsher { 5609e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5610e689cf4aSJeff Kirsher return niu_reset_rx_xmac(np); 5611e689cf4aSJeff Kirsher else 5612e689cf4aSJeff Kirsher return niu_reset_rx_bmac(np); 5613e689cf4aSJeff Kirsher } 5614e689cf4aSJeff Kirsher 5615e689cf4aSJeff Kirsher static void niu_init_rx_xmac(struct niu *np) 5616e689cf4aSJeff Kirsher { 5617e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 5618e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 5619e689cf4aSJeff Kirsher int first_rdc_table = tp->first_table_num; 5620e689cf4aSJeff Kirsher unsigned long i; 5621e689cf4aSJeff Kirsher u64 val; 5622e689cf4aSJeff Kirsher 5623e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT0, 0); 5624e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT1, 0); 5625e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT2, 0); 5626e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT12_MASK, 0); 5627e689cf4aSJeff Kirsher nw64_mac(XMAC_ADD_FILT00_MASK, 0); 5628e689cf4aSJeff Kirsher for (i = 0; i < MAC_NUM_HASH; i++) 5629e689cf4aSJeff Kirsher nw64_mac(XMAC_HASH_TBL(i), 0); 5630e689cf4aSJeff Kirsher nw64_mac(XRXMAC_STAT_MSK, ~(u64)0); 5631e689cf4aSJeff Kirsher niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 5632e689cf4aSJeff Kirsher niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 5633e689cf4aSJeff Kirsher 5634e689cf4aSJeff Kirsher val = nr64_mac(XMAC_CONFIG); 5635e689cf4aSJeff Kirsher val &= ~(XMAC_CONFIG_RX_MAC_ENABLE | 5636e689cf4aSJeff Kirsher XMAC_CONFIG_PROMISCUOUS | 5637e689cf4aSJeff Kirsher XMAC_CONFIG_PROMISC_GROUP | 5638e689cf4aSJeff Kirsher XMAC_CONFIG_ERR_CHK_DIS | 5639e689cf4aSJeff Kirsher XMAC_CONFIG_RX_CRC_CHK_DIS | 5640e689cf4aSJeff Kirsher XMAC_CONFIG_RESERVED_MULTICAST | 5641e689cf4aSJeff Kirsher XMAC_CONFIG_RX_CODEV_CHK_DIS | 5642e689cf4aSJeff Kirsher XMAC_CONFIG_ADDR_FILTER_EN | 5643e689cf4aSJeff Kirsher XMAC_CONFIG_RCV_PAUSE_ENABLE | 5644e689cf4aSJeff Kirsher XMAC_CONFIG_STRIP_CRC | 5645e689cf4aSJeff Kirsher XMAC_CONFIG_PASS_FLOW_CTRL | 5646e689cf4aSJeff Kirsher XMAC_CONFIG_MAC2IPP_PKT_CNT_EN); 5647e689cf4aSJeff Kirsher val |= (XMAC_CONFIG_HASH_FILTER_EN); 5648e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5649e689cf4aSJeff Kirsher 5650e689cf4aSJeff Kirsher nw64_mac(RXMAC_BT_CNT, 0); 5651e689cf4aSJeff Kirsher nw64_mac(RXMAC_BC_FRM_CNT, 0); 5652e689cf4aSJeff Kirsher nw64_mac(RXMAC_MC_FRM_CNT, 0); 5653e689cf4aSJeff Kirsher nw64_mac(RXMAC_FRAG_CNT, 0); 5654e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT1, 0); 5655e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT2, 0); 5656e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT3, 0); 5657e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT4, 0); 5658e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT5, 0); 5659e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT6, 0); 5660e689cf4aSJeff Kirsher nw64_mac(RXMAC_HIST_CNT7, 0); 5661e689cf4aSJeff Kirsher nw64_mac(RXMAC_MPSZER_CNT, 0); 5662e689cf4aSJeff Kirsher nw64_mac(RXMAC_CRC_ER_CNT, 0); 5663e689cf4aSJeff Kirsher nw64_mac(RXMAC_CD_VIO_CNT, 0); 5664e689cf4aSJeff Kirsher nw64_mac(LINK_FAULT_CNT, 0); 5665e689cf4aSJeff Kirsher } 5666e689cf4aSJeff Kirsher 5667e689cf4aSJeff Kirsher static void niu_init_rx_bmac(struct niu *np) 5668e689cf4aSJeff Kirsher { 5669e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 5670e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 5671e689cf4aSJeff Kirsher int first_rdc_table = tp->first_table_num; 5672e689cf4aSJeff Kirsher unsigned long i; 5673e689cf4aSJeff Kirsher u64 val; 5674e689cf4aSJeff Kirsher 5675e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT0, 0); 5676e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT1, 0); 5677e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT2, 0); 5678e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT12_MASK, 0); 5679e689cf4aSJeff Kirsher nw64_mac(BMAC_ADD_FILT00_MASK, 0); 5680e689cf4aSJeff Kirsher for (i = 0; i < MAC_NUM_HASH; i++) 5681e689cf4aSJeff Kirsher nw64_mac(BMAC_HASH_TBL(i), 0); 5682e689cf4aSJeff Kirsher niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 5683e689cf4aSJeff Kirsher niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 5684e689cf4aSJeff Kirsher nw64_mac(BRXMAC_STATUS_MASK, ~(u64)0); 5685e689cf4aSJeff Kirsher 5686e689cf4aSJeff Kirsher val = nr64_mac(BRXMAC_CONFIG); 5687e689cf4aSJeff Kirsher val &= ~(BRXMAC_CONFIG_ENABLE | 5688e689cf4aSJeff Kirsher BRXMAC_CONFIG_STRIP_PAD | 5689e689cf4aSJeff Kirsher BRXMAC_CONFIG_STRIP_FCS | 5690e689cf4aSJeff Kirsher BRXMAC_CONFIG_PROMISC | 5691e689cf4aSJeff Kirsher BRXMAC_CONFIG_PROMISC_GRP | 5692e689cf4aSJeff Kirsher BRXMAC_CONFIG_ADDR_FILT_EN | 5693e689cf4aSJeff Kirsher BRXMAC_CONFIG_DISCARD_DIS); 5694e689cf4aSJeff Kirsher val |= (BRXMAC_CONFIG_HASH_FILT_EN); 5695e689cf4aSJeff Kirsher nw64_mac(BRXMAC_CONFIG, val); 5696e689cf4aSJeff Kirsher 5697e689cf4aSJeff Kirsher val = nr64_mac(BMAC_ADDR_CMPEN); 5698e689cf4aSJeff Kirsher val |= BMAC_ADDR_CMPEN_EN0; 5699e689cf4aSJeff Kirsher nw64_mac(BMAC_ADDR_CMPEN, val); 5700e689cf4aSJeff Kirsher } 5701e689cf4aSJeff Kirsher 5702e689cf4aSJeff Kirsher static void niu_init_rx_mac(struct niu *np) 5703e689cf4aSJeff Kirsher { 5704e689cf4aSJeff Kirsher niu_set_primary_mac(np, np->dev->dev_addr); 5705e689cf4aSJeff Kirsher 5706e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5707e689cf4aSJeff Kirsher niu_init_rx_xmac(np); 5708e689cf4aSJeff Kirsher else 5709e689cf4aSJeff Kirsher niu_init_rx_bmac(np); 5710e689cf4aSJeff Kirsher } 5711e689cf4aSJeff Kirsher 5712e689cf4aSJeff Kirsher static void niu_enable_tx_xmac(struct niu *np, int on) 5713e689cf4aSJeff Kirsher { 5714e689cf4aSJeff Kirsher u64 val = nr64_mac(XMAC_CONFIG); 5715e689cf4aSJeff Kirsher 5716e689cf4aSJeff Kirsher if (on) 5717e689cf4aSJeff Kirsher val |= XMAC_CONFIG_TX_ENABLE; 5718e689cf4aSJeff Kirsher else 5719e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_TX_ENABLE; 5720e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5721e689cf4aSJeff Kirsher } 5722e689cf4aSJeff Kirsher 5723e689cf4aSJeff Kirsher static void niu_enable_tx_bmac(struct niu *np, int on) 5724e689cf4aSJeff Kirsher { 5725e689cf4aSJeff Kirsher u64 val = nr64_mac(BTXMAC_CONFIG); 5726e689cf4aSJeff Kirsher 5727e689cf4aSJeff Kirsher if (on) 5728e689cf4aSJeff Kirsher val |= BTXMAC_CONFIG_ENABLE; 5729e689cf4aSJeff Kirsher else 5730e689cf4aSJeff Kirsher val &= ~BTXMAC_CONFIG_ENABLE; 5731e689cf4aSJeff Kirsher nw64_mac(BTXMAC_CONFIG, val); 5732e689cf4aSJeff Kirsher } 5733e689cf4aSJeff Kirsher 5734e689cf4aSJeff Kirsher static void niu_enable_tx_mac(struct niu *np, int on) 5735e689cf4aSJeff Kirsher { 5736e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5737e689cf4aSJeff Kirsher niu_enable_tx_xmac(np, on); 5738e689cf4aSJeff Kirsher else 5739e689cf4aSJeff Kirsher niu_enable_tx_bmac(np, on); 5740e689cf4aSJeff Kirsher } 5741e689cf4aSJeff Kirsher 5742e689cf4aSJeff Kirsher static void niu_enable_rx_xmac(struct niu *np, int on) 5743e689cf4aSJeff Kirsher { 5744e689cf4aSJeff Kirsher u64 val = nr64_mac(XMAC_CONFIG); 5745e689cf4aSJeff Kirsher 5746e689cf4aSJeff Kirsher val &= ~(XMAC_CONFIG_HASH_FILTER_EN | 5747e689cf4aSJeff Kirsher XMAC_CONFIG_PROMISCUOUS); 5748e689cf4aSJeff Kirsher 5749e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_MCAST) 5750e689cf4aSJeff Kirsher val |= XMAC_CONFIG_HASH_FILTER_EN; 5751e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_PROMISC) 5752e689cf4aSJeff Kirsher val |= XMAC_CONFIG_PROMISCUOUS; 5753e689cf4aSJeff Kirsher 5754e689cf4aSJeff Kirsher if (on) 5755e689cf4aSJeff Kirsher val |= XMAC_CONFIG_RX_MAC_ENABLE; 5756e689cf4aSJeff Kirsher else 5757e689cf4aSJeff Kirsher val &= ~XMAC_CONFIG_RX_MAC_ENABLE; 5758e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 5759e689cf4aSJeff Kirsher } 5760e689cf4aSJeff Kirsher 5761e689cf4aSJeff Kirsher static void niu_enable_rx_bmac(struct niu *np, int on) 5762e689cf4aSJeff Kirsher { 5763e689cf4aSJeff Kirsher u64 val = nr64_mac(BRXMAC_CONFIG); 5764e689cf4aSJeff Kirsher 5765e689cf4aSJeff Kirsher val &= ~(BRXMAC_CONFIG_HASH_FILT_EN | 5766e689cf4aSJeff Kirsher BRXMAC_CONFIG_PROMISC); 5767e689cf4aSJeff Kirsher 5768e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_MCAST) 5769e689cf4aSJeff Kirsher val |= BRXMAC_CONFIG_HASH_FILT_EN; 5770e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_PROMISC) 5771e689cf4aSJeff Kirsher val |= BRXMAC_CONFIG_PROMISC; 5772e689cf4aSJeff Kirsher 5773e689cf4aSJeff Kirsher if (on) 5774e689cf4aSJeff Kirsher val |= BRXMAC_CONFIG_ENABLE; 5775e689cf4aSJeff Kirsher else 5776e689cf4aSJeff Kirsher val &= ~BRXMAC_CONFIG_ENABLE; 5777e689cf4aSJeff Kirsher nw64_mac(BRXMAC_CONFIG, val); 5778e689cf4aSJeff Kirsher } 5779e689cf4aSJeff Kirsher 5780e689cf4aSJeff Kirsher static void niu_enable_rx_mac(struct niu *np, int on) 5781e689cf4aSJeff Kirsher { 5782e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 5783e689cf4aSJeff Kirsher niu_enable_rx_xmac(np, on); 5784e689cf4aSJeff Kirsher else 5785e689cf4aSJeff Kirsher niu_enable_rx_bmac(np, on); 5786e689cf4aSJeff Kirsher } 5787e689cf4aSJeff Kirsher 5788e689cf4aSJeff Kirsher static int niu_init_mac(struct niu *np) 5789e689cf4aSJeff Kirsher { 5790e689cf4aSJeff Kirsher int err; 5791e689cf4aSJeff Kirsher 5792e689cf4aSJeff Kirsher niu_init_xif(np); 5793e689cf4aSJeff Kirsher err = niu_init_pcs(np); 5794e689cf4aSJeff Kirsher if (err) 5795e689cf4aSJeff Kirsher return err; 5796e689cf4aSJeff Kirsher 5797e689cf4aSJeff Kirsher err = niu_reset_tx_mac(np); 5798e689cf4aSJeff Kirsher if (err) 5799e689cf4aSJeff Kirsher return err; 5800e689cf4aSJeff Kirsher niu_init_tx_mac(np); 5801e689cf4aSJeff Kirsher err = niu_reset_rx_mac(np); 5802e689cf4aSJeff Kirsher if (err) 5803e689cf4aSJeff Kirsher return err; 5804e689cf4aSJeff Kirsher niu_init_rx_mac(np); 5805e689cf4aSJeff Kirsher 5806e689cf4aSJeff Kirsher /* This looks hookey but the RX MAC reset we just did will 5807e689cf4aSJeff Kirsher * undo some of the state we setup in niu_init_tx_mac() so we 5808e689cf4aSJeff Kirsher * have to call it again. In particular, the RX MAC reset will 5809e689cf4aSJeff Kirsher * set the XMAC_MAX register back to it's default value. 5810e689cf4aSJeff Kirsher */ 5811e689cf4aSJeff Kirsher niu_init_tx_mac(np); 5812e689cf4aSJeff Kirsher niu_enable_tx_mac(np, 1); 5813e689cf4aSJeff Kirsher 5814e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 1); 5815e689cf4aSJeff Kirsher 5816e689cf4aSJeff Kirsher return 0; 5817e689cf4aSJeff Kirsher } 5818e689cf4aSJeff Kirsher 5819e689cf4aSJeff Kirsher static void niu_stop_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 5820e689cf4aSJeff Kirsher { 5821e689cf4aSJeff Kirsher (void) niu_tx_channel_stop(np, rp->tx_channel); 5822e689cf4aSJeff Kirsher } 5823e689cf4aSJeff Kirsher 5824e689cf4aSJeff Kirsher static void niu_stop_tx_channels(struct niu *np) 5825e689cf4aSJeff Kirsher { 5826e689cf4aSJeff Kirsher int i; 5827e689cf4aSJeff Kirsher 5828e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 5829e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 5830e689cf4aSJeff Kirsher 5831e689cf4aSJeff Kirsher niu_stop_one_tx_channel(np, rp); 5832e689cf4aSJeff Kirsher } 5833e689cf4aSJeff Kirsher } 5834e689cf4aSJeff Kirsher 5835e689cf4aSJeff Kirsher static void niu_reset_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 5836e689cf4aSJeff Kirsher { 5837e689cf4aSJeff Kirsher (void) niu_tx_channel_reset(np, rp->tx_channel); 5838e689cf4aSJeff Kirsher } 5839e689cf4aSJeff Kirsher 5840e689cf4aSJeff Kirsher static void niu_reset_tx_channels(struct niu *np) 5841e689cf4aSJeff Kirsher { 5842e689cf4aSJeff Kirsher int i; 5843e689cf4aSJeff Kirsher 5844e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 5845e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 5846e689cf4aSJeff Kirsher 5847e689cf4aSJeff Kirsher niu_reset_one_tx_channel(np, rp); 5848e689cf4aSJeff Kirsher } 5849e689cf4aSJeff Kirsher } 5850e689cf4aSJeff Kirsher 5851e689cf4aSJeff Kirsher static void niu_stop_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 5852e689cf4aSJeff Kirsher { 5853e689cf4aSJeff Kirsher (void) niu_enable_rx_channel(np, rp->rx_channel, 0); 5854e689cf4aSJeff Kirsher } 5855e689cf4aSJeff Kirsher 5856e689cf4aSJeff Kirsher static void niu_stop_rx_channels(struct niu *np) 5857e689cf4aSJeff Kirsher { 5858e689cf4aSJeff Kirsher int i; 5859e689cf4aSJeff Kirsher 5860e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 5861e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 5862e689cf4aSJeff Kirsher 5863e689cf4aSJeff Kirsher niu_stop_one_rx_channel(np, rp); 5864e689cf4aSJeff Kirsher } 5865e689cf4aSJeff Kirsher } 5866e689cf4aSJeff Kirsher 5867e689cf4aSJeff Kirsher static void niu_reset_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 5868e689cf4aSJeff Kirsher { 5869e689cf4aSJeff Kirsher int channel = rp->rx_channel; 5870e689cf4aSJeff Kirsher 5871e689cf4aSJeff Kirsher (void) niu_rx_channel_reset(np, channel); 5872e689cf4aSJeff Kirsher nw64(RX_DMA_ENT_MSK(channel), RX_DMA_ENT_MSK_ALL); 5873e689cf4aSJeff Kirsher nw64(RX_DMA_CTL_STAT(channel), 0); 5874e689cf4aSJeff Kirsher (void) niu_enable_rx_channel(np, channel, 0); 5875e689cf4aSJeff Kirsher } 5876e689cf4aSJeff Kirsher 5877e689cf4aSJeff Kirsher static void niu_reset_rx_channels(struct niu *np) 5878e689cf4aSJeff Kirsher { 5879e689cf4aSJeff Kirsher int i; 5880e689cf4aSJeff Kirsher 5881e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 5882e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 5883e689cf4aSJeff Kirsher 5884e689cf4aSJeff Kirsher niu_reset_one_rx_channel(np, rp); 5885e689cf4aSJeff Kirsher } 5886e689cf4aSJeff Kirsher } 5887e689cf4aSJeff Kirsher 5888e689cf4aSJeff Kirsher static void niu_disable_ipp(struct niu *np) 5889e689cf4aSJeff Kirsher { 5890e689cf4aSJeff Kirsher u64 rd, wr, val; 5891e689cf4aSJeff Kirsher int limit; 5892e689cf4aSJeff Kirsher 5893e689cf4aSJeff Kirsher rd = nr64_ipp(IPP_DFIFO_RD_PTR); 5894e689cf4aSJeff Kirsher wr = nr64_ipp(IPP_DFIFO_WR_PTR); 5895e689cf4aSJeff Kirsher limit = 100; 5896e689cf4aSJeff Kirsher while (--limit >= 0 && (rd != wr)) { 5897e689cf4aSJeff Kirsher rd = nr64_ipp(IPP_DFIFO_RD_PTR); 5898e689cf4aSJeff Kirsher wr = nr64_ipp(IPP_DFIFO_WR_PTR); 5899e689cf4aSJeff Kirsher } 5900e689cf4aSJeff Kirsher if (limit < 0 && 5901e689cf4aSJeff Kirsher (rd != 0 && wr != 1)) { 5902e689cf4aSJeff Kirsher netdev_err(np->dev, "IPP would not quiesce, rd_ptr[%llx] wr_ptr[%llx]\n", 5903e689cf4aSJeff Kirsher (unsigned long long)nr64_ipp(IPP_DFIFO_RD_PTR), 5904e689cf4aSJeff Kirsher (unsigned long long)nr64_ipp(IPP_DFIFO_WR_PTR)); 5905e689cf4aSJeff Kirsher } 5906e689cf4aSJeff Kirsher 5907e689cf4aSJeff Kirsher val = nr64_ipp(IPP_CFIG); 5908e689cf4aSJeff Kirsher val &= ~(IPP_CFIG_IPP_ENABLE | 5909e689cf4aSJeff Kirsher IPP_CFIG_DFIFO_ECC_EN | 5910e689cf4aSJeff Kirsher IPP_CFIG_DROP_BAD_CRC | 5911e689cf4aSJeff Kirsher IPP_CFIG_CKSUM_EN); 5912e689cf4aSJeff Kirsher nw64_ipp(IPP_CFIG, val); 5913e689cf4aSJeff Kirsher 5914e689cf4aSJeff Kirsher (void) niu_ipp_reset(np); 5915e689cf4aSJeff Kirsher } 5916e689cf4aSJeff Kirsher 5917e689cf4aSJeff Kirsher static int niu_init_hw(struct niu *np) 5918e689cf4aSJeff Kirsher { 5919e689cf4aSJeff Kirsher int i, err; 5920e689cf4aSJeff Kirsher 5921e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize TXC\n"); 5922e689cf4aSJeff Kirsher niu_txc_enable_port(np, 1); 5923e689cf4aSJeff Kirsher niu_txc_port_dma_enable(np, 1); 5924e689cf4aSJeff Kirsher niu_txc_set_imask(np, 0); 5925e689cf4aSJeff Kirsher 5926e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize TX channels\n"); 5927e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 5928e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 5929e689cf4aSJeff Kirsher 5930e689cf4aSJeff Kirsher err = niu_init_one_tx_channel(np, rp); 5931e689cf4aSJeff Kirsher if (err) 5932e689cf4aSJeff Kirsher return err; 5933e689cf4aSJeff Kirsher } 5934e689cf4aSJeff Kirsher 5935e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize RX channels\n"); 5936e689cf4aSJeff Kirsher err = niu_init_rx_channels(np); 5937e689cf4aSJeff Kirsher if (err) 5938e689cf4aSJeff Kirsher goto out_uninit_tx_channels; 5939e689cf4aSJeff Kirsher 5940e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize classifier\n"); 5941e689cf4aSJeff Kirsher err = niu_init_classifier_hw(np); 5942e689cf4aSJeff Kirsher if (err) 5943e689cf4aSJeff Kirsher goto out_uninit_rx_channels; 5944e689cf4aSJeff Kirsher 5945e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize ZCP\n"); 5946e689cf4aSJeff Kirsher err = niu_init_zcp(np); 5947e689cf4aSJeff Kirsher if (err) 5948e689cf4aSJeff Kirsher goto out_uninit_rx_channels; 5949e689cf4aSJeff Kirsher 5950e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize IPP\n"); 5951e689cf4aSJeff Kirsher err = niu_init_ipp(np); 5952e689cf4aSJeff Kirsher if (err) 5953e689cf4aSJeff Kirsher goto out_uninit_rx_channels; 5954e689cf4aSJeff Kirsher 5955e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize MAC\n"); 5956e689cf4aSJeff Kirsher err = niu_init_mac(np); 5957e689cf4aSJeff Kirsher if (err) 5958e689cf4aSJeff Kirsher goto out_uninit_ipp; 5959e689cf4aSJeff Kirsher 5960e689cf4aSJeff Kirsher return 0; 5961e689cf4aSJeff Kirsher 5962e689cf4aSJeff Kirsher out_uninit_ipp: 5963e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit IPP\n"); 5964e689cf4aSJeff Kirsher niu_disable_ipp(np); 5965e689cf4aSJeff Kirsher 5966e689cf4aSJeff Kirsher out_uninit_rx_channels: 5967e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit RX channels\n"); 5968e689cf4aSJeff Kirsher niu_stop_rx_channels(np); 5969e689cf4aSJeff Kirsher niu_reset_rx_channels(np); 5970e689cf4aSJeff Kirsher 5971e689cf4aSJeff Kirsher out_uninit_tx_channels: 5972e689cf4aSJeff Kirsher netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit TX channels\n"); 5973e689cf4aSJeff Kirsher niu_stop_tx_channels(np); 5974e689cf4aSJeff Kirsher niu_reset_tx_channels(np); 5975e689cf4aSJeff Kirsher 5976e689cf4aSJeff Kirsher return err; 5977e689cf4aSJeff Kirsher } 5978e689cf4aSJeff Kirsher 5979e689cf4aSJeff Kirsher static void niu_stop_hw(struct niu *np) 5980e689cf4aSJeff Kirsher { 5981e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable interrupts\n"); 5982e689cf4aSJeff Kirsher niu_enable_interrupts(np, 0); 5983e689cf4aSJeff Kirsher 5984e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable RX MAC\n"); 5985e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 0); 5986e689cf4aSJeff Kirsher 5987e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable IPP\n"); 5988e689cf4aSJeff Kirsher niu_disable_ipp(np); 5989e689cf4aSJeff Kirsher 5990e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Stop TX channels\n"); 5991e689cf4aSJeff Kirsher niu_stop_tx_channels(np); 5992e689cf4aSJeff Kirsher 5993e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Stop RX channels\n"); 5994e689cf4aSJeff Kirsher niu_stop_rx_channels(np); 5995e689cf4aSJeff Kirsher 5996e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Reset TX channels\n"); 5997e689cf4aSJeff Kirsher niu_reset_tx_channels(np); 5998e689cf4aSJeff Kirsher 5999e689cf4aSJeff Kirsher netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Reset RX channels\n"); 6000e689cf4aSJeff Kirsher niu_reset_rx_channels(np); 6001e689cf4aSJeff Kirsher } 6002e689cf4aSJeff Kirsher 6003e689cf4aSJeff Kirsher static void niu_set_irq_name(struct niu *np) 6004e689cf4aSJeff Kirsher { 6005e689cf4aSJeff Kirsher int port = np->port; 6006e689cf4aSJeff Kirsher int i, j = 1; 6007e689cf4aSJeff Kirsher 6008e689cf4aSJeff Kirsher sprintf(np->irq_name[0], "%s:MAC", np->dev->name); 6009e689cf4aSJeff Kirsher 6010e689cf4aSJeff Kirsher if (port == 0) { 6011e689cf4aSJeff Kirsher sprintf(np->irq_name[1], "%s:MIF", np->dev->name); 6012e689cf4aSJeff Kirsher sprintf(np->irq_name[2], "%s:SYSERR", np->dev->name); 6013e689cf4aSJeff Kirsher j = 3; 6014e689cf4aSJeff Kirsher } 6015e689cf4aSJeff Kirsher 6016e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg - j; i++) { 6017e689cf4aSJeff Kirsher if (i < np->num_rx_rings) 6018e689cf4aSJeff Kirsher sprintf(np->irq_name[i+j], "%s-rx-%d", 6019e689cf4aSJeff Kirsher np->dev->name, i); 6020e689cf4aSJeff Kirsher else if (i < np->num_tx_rings + np->num_rx_rings) 6021e689cf4aSJeff Kirsher sprintf(np->irq_name[i+j], "%s-tx-%d", np->dev->name, 6022e689cf4aSJeff Kirsher i - np->num_rx_rings); 6023e689cf4aSJeff Kirsher } 6024e689cf4aSJeff Kirsher } 6025e689cf4aSJeff Kirsher 6026e689cf4aSJeff Kirsher static int niu_request_irq(struct niu *np) 6027e689cf4aSJeff Kirsher { 6028e689cf4aSJeff Kirsher int i, j, err; 6029e689cf4aSJeff Kirsher 6030e689cf4aSJeff Kirsher niu_set_irq_name(np); 6031e689cf4aSJeff Kirsher 6032e689cf4aSJeff Kirsher err = 0; 6033e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) { 6034e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[i]; 6035e689cf4aSJeff Kirsher 6036e689cf4aSJeff Kirsher err = request_irq(lp->irq, niu_interrupt, IRQF_SHARED, 6037e689cf4aSJeff Kirsher np->irq_name[i], lp); 6038e689cf4aSJeff Kirsher if (err) 6039e689cf4aSJeff Kirsher goto out_free_irqs; 6040e689cf4aSJeff Kirsher 6041e689cf4aSJeff Kirsher } 6042e689cf4aSJeff Kirsher 6043e689cf4aSJeff Kirsher return 0; 6044e689cf4aSJeff Kirsher 6045e689cf4aSJeff Kirsher out_free_irqs: 6046e689cf4aSJeff Kirsher for (j = 0; j < i; j++) { 6047e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[j]; 6048e689cf4aSJeff Kirsher 6049e689cf4aSJeff Kirsher free_irq(lp->irq, lp); 6050e689cf4aSJeff Kirsher } 6051e689cf4aSJeff Kirsher return err; 6052e689cf4aSJeff Kirsher } 6053e689cf4aSJeff Kirsher 6054e689cf4aSJeff Kirsher static void niu_free_irq(struct niu *np) 6055e689cf4aSJeff Kirsher { 6056e689cf4aSJeff Kirsher int i; 6057e689cf4aSJeff Kirsher 6058e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) { 6059e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[i]; 6060e689cf4aSJeff Kirsher 6061e689cf4aSJeff Kirsher free_irq(lp->irq, lp); 6062e689cf4aSJeff Kirsher } 6063e689cf4aSJeff Kirsher } 6064e689cf4aSJeff Kirsher 6065e689cf4aSJeff Kirsher static void niu_enable_napi(struct niu *np) 6066e689cf4aSJeff Kirsher { 6067e689cf4aSJeff Kirsher int i; 6068e689cf4aSJeff Kirsher 6069e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) 6070e689cf4aSJeff Kirsher napi_enable(&np->ldg[i].napi); 6071e689cf4aSJeff Kirsher } 6072e689cf4aSJeff Kirsher 6073e689cf4aSJeff Kirsher static void niu_disable_napi(struct niu *np) 6074e689cf4aSJeff Kirsher { 6075e689cf4aSJeff Kirsher int i; 6076e689cf4aSJeff Kirsher 6077e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) 6078e689cf4aSJeff Kirsher napi_disable(&np->ldg[i].napi); 6079e689cf4aSJeff Kirsher } 6080e689cf4aSJeff Kirsher 6081e689cf4aSJeff Kirsher static int niu_open(struct net_device *dev) 6082e689cf4aSJeff Kirsher { 6083e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6084e689cf4aSJeff Kirsher int err; 6085e689cf4aSJeff Kirsher 6086e689cf4aSJeff Kirsher netif_carrier_off(dev); 6087e689cf4aSJeff Kirsher 6088e689cf4aSJeff Kirsher err = niu_alloc_channels(np); 6089e689cf4aSJeff Kirsher if (err) 6090e689cf4aSJeff Kirsher goto out_err; 6091e689cf4aSJeff Kirsher 6092e689cf4aSJeff Kirsher err = niu_enable_interrupts(np, 0); 6093e689cf4aSJeff Kirsher if (err) 6094e689cf4aSJeff Kirsher goto out_free_channels; 6095e689cf4aSJeff Kirsher 6096e689cf4aSJeff Kirsher err = niu_request_irq(np); 6097e689cf4aSJeff Kirsher if (err) 6098e689cf4aSJeff Kirsher goto out_free_channels; 6099e689cf4aSJeff Kirsher 6100e689cf4aSJeff Kirsher niu_enable_napi(np); 6101e689cf4aSJeff Kirsher 6102e689cf4aSJeff Kirsher spin_lock_irq(&np->lock); 6103e689cf4aSJeff Kirsher 6104e689cf4aSJeff Kirsher err = niu_init_hw(np); 6105e689cf4aSJeff Kirsher if (!err) { 61060822c5d9SKees Cook timer_setup(&np->timer, niu_timer, 0); 6107e689cf4aSJeff Kirsher np->timer.expires = jiffies + HZ; 6108e689cf4aSJeff Kirsher 6109e689cf4aSJeff Kirsher err = niu_enable_interrupts(np, 1); 6110e689cf4aSJeff Kirsher if (err) 6111e689cf4aSJeff Kirsher niu_stop_hw(np); 6112e689cf4aSJeff Kirsher } 6113e689cf4aSJeff Kirsher 6114e689cf4aSJeff Kirsher spin_unlock_irq(&np->lock); 6115e689cf4aSJeff Kirsher 6116e689cf4aSJeff Kirsher if (err) { 6117e689cf4aSJeff Kirsher niu_disable_napi(np); 6118e689cf4aSJeff Kirsher goto out_free_irq; 6119e689cf4aSJeff Kirsher } 6120e689cf4aSJeff Kirsher 6121e689cf4aSJeff Kirsher netif_tx_start_all_queues(dev); 6122e689cf4aSJeff Kirsher 6123e689cf4aSJeff Kirsher if (np->link_config.loopback_mode != LOOPBACK_DISABLED) 6124e689cf4aSJeff Kirsher netif_carrier_on(dev); 6125e689cf4aSJeff Kirsher 6126e689cf4aSJeff Kirsher add_timer(&np->timer); 6127e689cf4aSJeff Kirsher 6128e689cf4aSJeff Kirsher return 0; 6129e689cf4aSJeff Kirsher 6130e689cf4aSJeff Kirsher out_free_irq: 6131e689cf4aSJeff Kirsher niu_free_irq(np); 6132e689cf4aSJeff Kirsher 6133e689cf4aSJeff Kirsher out_free_channels: 6134e689cf4aSJeff Kirsher niu_free_channels(np); 6135e689cf4aSJeff Kirsher 6136e689cf4aSJeff Kirsher out_err: 6137e689cf4aSJeff Kirsher return err; 6138e689cf4aSJeff Kirsher } 6139e689cf4aSJeff Kirsher 6140e689cf4aSJeff Kirsher static void niu_full_shutdown(struct niu *np, struct net_device *dev) 6141e689cf4aSJeff Kirsher { 6142e689cf4aSJeff Kirsher cancel_work_sync(&np->reset_task); 6143e689cf4aSJeff Kirsher 6144e689cf4aSJeff Kirsher niu_disable_napi(np); 6145e689cf4aSJeff Kirsher netif_tx_stop_all_queues(dev); 6146e689cf4aSJeff Kirsher 6147e689cf4aSJeff Kirsher del_timer_sync(&np->timer); 6148e689cf4aSJeff Kirsher 6149e689cf4aSJeff Kirsher spin_lock_irq(&np->lock); 6150e689cf4aSJeff Kirsher 6151e689cf4aSJeff Kirsher niu_stop_hw(np); 6152e689cf4aSJeff Kirsher 6153e689cf4aSJeff Kirsher spin_unlock_irq(&np->lock); 6154e689cf4aSJeff Kirsher } 6155e689cf4aSJeff Kirsher 6156e689cf4aSJeff Kirsher static int niu_close(struct net_device *dev) 6157e689cf4aSJeff Kirsher { 6158e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6159e689cf4aSJeff Kirsher 6160e689cf4aSJeff Kirsher niu_full_shutdown(np, dev); 6161e689cf4aSJeff Kirsher 6162e689cf4aSJeff Kirsher niu_free_irq(np); 6163e689cf4aSJeff Kirsher 6164e689cf4aSJeff Kirsher niu_free_channels(np); 6165e689cf4aSJeff Kirsher 6166e689cf4aSJeff Kirsher niu_handle_led(np, 0); 6167e689cf4aSJeff Kirsher 6168e689cf4aSJeff Kirsher return 0; 6169e689cf4aSJeff Kirsher } 6170e689cf4aSJeff Kirsher 6171e689cf4aSJeff Kirsher static void niu_sync_xmac_stats(struct niu *np) 6172e689cf4aSJeff Kirsher { 6173e689cf4aSJeff Kirsher struct niu_xmac_stats *mp = &np->mac_stats.xmac; 6174e689cf4aSJeff Kirsher 6175e689cf4aSJeff Kirsher mp->tx_frames += nr64_mac(TXMAC_FRM_CNT); 6176e689cf4aSJeff Kirsher mp->tx_bytes += nr64_mac(TXMAC_BYTE_CNT); 6177e689cf4aSJeff Kirsher 6178e689cf4aSJeff Kirsher mp->rx_link_faults += nr64_mac(LINK_FAULT_CNT); 6179e689cf4aSJeff Kirsher mp->rx_align_errors += nr64_mac(RXMAC_ALIGN_ERR_CNT); 6180e689cf4aSJeff Kirsher mp->rx_frags += nr64_mac(RXMAC_FRAG_CNT); 6181e689cf4aSJeff Kirsher mp->rx_mcasts += nr64_mac(RXMAC_MC_FRM_CNT); 6182e689cf4aSJeff Kirsher mp->rx_bcasts += nr64_mac(RXMAC_BC_FRM_CNT); 6183e689cf4aSJeff Kirsher mp->rx_hist_cnt1 += nr64_mac(RXMAC_HIST_CNT1); 6184e689cf4aSJeff Kirsher mp->rx_hist_cnt2 += nr64_mac(RXMAC_HIST_CNT2); 6185e689cf4aSJeff Kirsher mp->rx_hist_cnt3 += nr64_mac(RXMAC_HIST_CNT3); 6186e689cf4aSJeff Kirsher mp->rx_hist_cnt4 += nr64_mac(RXMAC_HIST_CNT4); 6187e689cf4aSJeff Kirsher mp->rx_hist_cnt5 += nr64_mac(RXMAC_HIST_CNT5); 6188e689cf4aSJeff Kirsher mp->rx_hist_cnt6 += nr64_mac(RXMAC_HIST_CNT6); 6189e689cf4aSJeff Kirsher mp->rx_hist_cnt7 += nr64_mac(RXMAC_HIST_CNT7); 6190e689cf4aSJeff Kirsher mp->rx_octets += nr64_mac(RXMAC_BT_CNT); 6191e689cf4aSJeff Kirsher mp->rx_code_violations += nr64_mac(RXMAC_CD_VIO_CNT); 6192e689cf4aSJeff Kirsher mp->rx_len_errors += nr64_mac(RXMAC_MPSZER_CNT); 6193e689cf4aSJeff Kirsher mp->rx_crc_errors += nr64_mac(RXMAC_CRC_ER_CNT); 6194e689cf4aSJeff Kirsher } 6195e689cf4aSJeff Kirsher 6196e689cf4aSJeff Kirsher static void niu_sync_bmac_stats(struct niu *np) 6197e689cf4aSJeff Kirsher { 6198e689cf4aSJeff Kirsher struct niu_bmac_stats *mp = &np->mac_stats.bmac; 6199e689cf4aSJeff Kirsher 6200e689cf4aSJeff Kirsher mp->tx_bytes += nr64_mac(BTXMAC_BYTE_CNT); 6201e689cf4aSJeff Kirsher mp->tx_frames += nr64_mac(BTXMAC_FRM_CNT); 6202e689cf4aSJeff Kirsher 6203e689cf4aSJeff Kirsher mp->rx_frames += nr64_mac(BRXMAC_FRAME_CNT); 6204e689cf4aSJeff Kirsher mp->rx_align_errors += nr64_mac(BRXMAC_ALIGN_ERR_CNT); 6205e689cf4aSJeff Kirsher mp->rx_crc_errors += nr64_mac(BRXMAC_ALIGN_ERR_CNT); 6206e689cf4aSJeff Kirsher mp->rx_len_errors += nr64_mac(BRXMAC_CODE_VIOL_ERR_CNT); 6207e689cf4aSJeff Kirsher } 6208e689cf4aSJeff Kirsher 6209e689cf4aSJeff Kirsher static void niu_sync_mac_stats(struct niu *np) 6210e689cf4aSJeff Kirsher { 6211e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 6212e689cf4aSJeff Kirsher niu_sync_xmac_stats(np); 6213e689cf4aSJeff Kirsher else 6214e689cf4aSJeff Kirsher niu_sync_bmac_stats(np); 6215e689cf4aSJeff Kirsher } 6216e689cf4aSJeff Kirsher 6217e689cf4aSJeff Kirsher static void niu_get_rx_stats(struct niu *np, 6218e689cf4aSJeff Kirsher struct rtnl_link_stats64 *stats) 6219e689cf4aSJeff Kirsher { 6220e689cf4aSJeff Kirsher u64 pkts, dropped, errors, bytes; 6221e689cf4aSJeff Kirsher struct rx_ring_info *rx_rings; 6222e689cf4aSJeff Kirsher int i; 6223e689cf4aSJeff Kirsher 6224e689cf4aSJeff Kirsher pkts = dropped = errors = bytes = 0; 6225e689cf4aSJeff Kirsher 62266aa7de05SMark Rutland rx_rings = READ_ONCE(np->rx_rings); 6227e689cf4aSJeff Kirsher if (!rx_rings) 6228e689cf4aSJeff Kirsher goto no_rings; 6229e689cf4aSJeff Kirsher 6230e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 6231e689cf4aSJeff Kirsher struct rx_ring_info *rp = &rx_rings[i]; 6232e689cf4aSJeff Kirsher 6233e689cf4aSJeff Kirsher niu_sync_rx_discard_stats(np, rp, 0); 6234e689cf4aSJeff Kirsher 6235e689cf4aSJeff Kirsher pkts += rp->rx_packets; 6236e689cf4aSJeff Kirsher bytes += rp->rx_bytes; 6237e689cf4aSJeff Kirsher dropped += rp->rx_dropped; 6238e689cf4aSJeff Kirsher errors += rp->rx_errors; 6239e689cf4aSJeff Kirsher } 6240e689cf4aSJeff Kirsher 6241e689cf4aSJeff Kirsher no_rings: 6242e689cf4aSJeff Kirsher stats->rx_packets = pkts; 6243e689cf4aSJeff Kirsher stats->rx_bytes = bytes; 6244e689cf4aSJeff Kirsher stats->rx_dropped = dropped; 6245e689cf4aSJeff Kirsher stats->rx_errors = errors; 6246e689cf4aSJeff Kirsher } 6247e689cf4aSJeff Kirsher 6248e689cf4aSJeff Kirsher static void niu_get_tx_stats(struct niu *np, 6249e689cf4aSJeff Kirsher struct rtnl_link_stats64 *stats) 6250e689cf4aSJeff Kirsher { 6251e689cf4aSJeff Kirsher u64 pkts, errors, bytes; 6252e689cf4aSJeff Kirsher struct tx_ring_info *tx_rings; 6253e689cf4aSJeff Kirsher int i; 6254e689cf4aSJeff Kirsher 6255e689cf4aSJeff Kirsher pkts = errors = bytes = 0; 6256e689cf4aSJeff Kirsher 62576aa7de05SMark Rutland tx_rings = READ_ONCE(np->tx_rings); 6258e689cf4aSJeff Kirsher if (!tx_rings) 6259e689cf4aSJeff Kirsher goto no_rings; 6260e689cf4aSJeff Kirsher 6261e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 6262e689cf4aSJeff Kirsher struct tx_ring_info *rp = &tx_rings[i]; 6263e689cf4aSJeff Kirsher 6264e689cf4aSJeff Kirsher pkts += rp->tx_packets; 6265e689cf4aSJeff Kirsher bytes += rp->tx_bytes; 6266e689cf4aSJeff Kirsher errors += rp->tx_errors; 6267e689cf4aSJeff Kirsher } 6268e689cf4aSJeff Kirsher 6269e689cf4aSJeff Kirsher no_rings: 6270e689cf4aSJeff Kirsher stats->tx_packets = pkts; 6271e689cf4aSJeff Kirsher stats->tx_bytes = bytes; 6272e689cf4aSJeff Kirsher stats->tx_errors = errors; 6273e689cf4aSJeff Kirsher } 6274e689cf4aSJeff Kirsher 6275bc1f4470Sstephen hemminger static void niu_get_stats(struct net_device *dev, 6276e689cf4aSJeff Kirsher struct rtnl_link_stats64 *stats) 6277e689cf4aSJeff Kirsher { 6278e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6279e689cf4aSJeff Kirsher 6280e689cf4aSJeff Kirsher if (netif_running(dev)) { 6281e689cf4aSJeff Kirsher niu_get_rx_stats(np, stats); 6282e689cf4aSJeff Kirsher niu_get_tx_stats(np, stats); 6283e689cf4aSJeff Kirsher } 6284e689cf4aSJeff Kirsher } 6285e689cf4aSJeff Kirsher 6286e689cf4aSJeff Kirsher static void niu_load_hash_xmac(struct niu *np, u16 *hash) 6287e689cf4aSJeff Kirsher { 6288e689cf4aSJeff Kirsher int i; 6289e689cf4aSJeff Kirsher 6290e689cf4aSJeff Kirsher for (i = 0; i < 16; i++) 6291e689cf4aSJeff Kirsher nw64_mac(XMAC_HASH_TBL(i), hash[i]); 6292e689cf4aSJeff Kirsher } 6293e689cf4aSJeff Kirsher 6294e689cf4aSJeff Kirsher static void niu_load_hash_bmac(struct niu *np, u16 *hash) 6295e689cf4aSJeff Kirsher { 6296e689cf4aSJeff Kirsher int i; 6297e689cf4aSJeff Kirsher 6298e689cf4aSJeff Kirsher for (i = 0; i < 16; i++) 6299e689cf4aSJeff Kirsher nw64_mac(BMAC_HASH_TBL(i), hash[i]); 6300e689cf4aSJeff Kirsher } 6301e689cf4aSJeff Kirsher 6302e689cf4aSJeff Kirsher static void niu_load_hash(struct niu *np, u16 *hash) 6303e689cf4aSJeff Kirsher { 6304e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 6305e689cf4aSJeff Kirsher niu_load_hash_xmac(np, hash); 6306e689cf4aSJeff Kirsher else 6307e689cf4aSJeff Kirsher niu_load_hash_bmac(np, hash); 6308e689cf4aSJeff Kirsher } 6309e689cf4aSJeff Kirsher 6310e689cf4aSJeff Kirsher static void niu_set_rx_mode(struct net_device *dev) 6311e689cf4aSJeff Kirsher { 6312e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6313e689cf4aSJeff Kirsher int i, alt_cnt, err; 6314e689cf4aSJeff Kirsher struct netdev_hw_addr *ha; 6315e689cf4aSJeff Kirsher unsigned long flags; 6316e689cf4aSJeff Kirsher u16 hash[16] = { 0, }; 6317e689cf4aSJeff Kirsher 6318e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6319e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 0); 6320e689cf4aSJeff Kirsher 6321e689cf4aSJeff Kirsher np->flags &= ~(NIU_FLAGS_MCAST | NIU_FLAGS_PROMISC); 6322e689cf4aSJeff Kirsher if (dev->flags & IFF_PROMISC) 6323e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_PROMISC; 6324e689cf4aSJeff Kirsher if ((dev->flags & IFF_ALLMULTI) || (!netdev_mc_empty(dev))) 6325e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_MCAST; 6326e689cf4aSJeff Kirsher 6327e689cf4aSJeff Kirsher alt_cnt = netdev_uc_count(dev); 6328e689cf4aSJeff Kirsher if (alt_cnt > niu_num_alt_addr(np)) { 6329e689cf4aSJeff Kirsher alt_cnt = 0; 6330e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_PROMISC; 6331e689cf4aSJeff Kirsher } 6332e689cf4aSJeff Kirsher 6333e689cf4aSJeff Kirsher if (alt_cnt) { 6334e689cf4aSJeff Kirsher int index = 0; 6335e689cf4aSJeff Kirsher 6336e689cf4aSJeff Kirsher netdev_for_each_uc_addr(ha, dev) { 6337e689cf4aSJeff Kirsher err = niu_set_alt_mac(np, index, ha->addr); 6338e689cf4aSJeff Kirsher if (err) 6339e689cf4aSJeff Kirsher netdev_warn(dev, "Error %d adding alt mac %d\n", 6340e689cf4aSJeff Kirsher err, index); 6341e689cf4aSJeff Kirsher err = niu_enable_alt_mac(np, index, 1); 6342e689cf4aSJeff Kirsher if (err) 6343e689cf4aSJeff Kirsher netdev_warn(dev, "Error %d enabling alt mac %d\n", 6344e689cf4aSJeff Kirsher err, index); 6345e689cf4aSJeff Kirsher 6346e689cf4aSJeff Kirsher index++; 6347e689cf4aSJeff Kirsher } 6348e689cf4aSJeff Kirsher } else { 6349e689cf4aSJeff Kirsher int alt_start; 6350e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 6351e689cf4aSJeff Kirsher alt_start = 0; 6352e689cf4aSJeff Kirsher else 6353e689cf4aSJeff Kirsher alt_start = 1; 6354e689cf4aSJeff Kirsher for (i = alt_start; i < niu_num_alt_addr(np); i++) { 6355e689cf4aSJeff Kirsher err = niu_enable_alt_mac(np, i, 0); 6356e689cf4aSJeff Kirsher if (err) 6357e689cf4aSJeff Kirsher netdev_warn(dev, "Error %d disabling alt mac %d\n", 6358e689cf4aSJeff Kirsher err, i); 6359e689cf4aSJeff Kirsher } 6360e689cf4aSJeff Kirsher } 6361e689cf4aSJeff Kirsher if (dev->flags & IFF_ALLMULTI) { 6362e689cf4aSJeff Kirsher for (i = 0; i < 16; i++) 6363e689cf4aSJeff Kirsher hash[i] = 0xffff; 6364e689cf4aSJeff Kirsher } else if (!netdev_mc_empty(dev)) { 6365e689cf4aSJeff Kirsher netdev_for_each_mc_addr(ha, dev) { 6366e689cf4aSJeff Kirsher u32 crc = ether_crc_le(ETH_ALEN, ha->addr); 6367e689cf4aSJeff Kirsher 6368e689cf4aSJeff Kirsher crc >>= 24; 6369e689cf4aSJeff Kirsher hash[crc >> 4] |= (1 << (15 - (crc & 0xf))); 6370e689cf4aSJeff Kirsher } 6371e689cf4aSJeff Kirsher } 6372e689cf4aSJeff Kirsher 6373e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_MCAST) 6374e689cf4aSJeff Kirsher niu_load_hash(np, hash); 6375e689cf4aSJeff Kirsher 6376e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 1); 6377e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6378e689cf4aSJeff Kirsher } 6379e689cf4aSJeff Kirsher 6380e689cf4aSJeff Kirsher static int niu_set_mac_addr(struct net_device *dev, void *p) 6381e689cf4aSJeff Kirsher { 6382e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6383e689cf4aSJeff Kirsher struct sockaddr *addr = p; 6384e689cf4aSJeff Kirsher unsigned long flags; 6385e689cf4aSJeff Kirsher 6386e689cf4aSJeff Kirsher if (!is_valid_ether_addr(addr->sa_data)) 6387504f9b5aSDanny Kukawka return -EADDRNOTAVAIL; 6388e689cf4aSJeff Kirsher 6389e689cf4aSJeff Kirsher memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); 6390e689cf4aSJeff Kirsher 6391e689cf4aSJeff Kirsher if (!netif_running(dev)) 6392e689cf4aSJeff Kirsher return 0; 6393e689cf4aSJeff Kirsher 6394e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6395e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 0); 6396e689cf4aSJeff Kirsher niu_set_primary_mac(np, dev->dev_addr); 6397e689cf4aSJeff Kirsher niu_enable_rx_mac(np, 1); 6398e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6399e689cf4aSJeff Kirsher 6400e689cf4aSJeff Kirsher return 0; 6401e689cf4aSJeff Kirsher } 6402e689cf4aSJeff Kirsher 6403e689cf4aSJeff Kirsher static int niu_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 6404e689cf4aSJeff Kirsher { 6405e689cf4aSJeff Kirsher return -EOPNOTSUPP; 6406e689cf4aSJeff Kirsher } 6407e689cf4aSJeff Kirsher 6408e689cf4aSJeff Kirsher static void niu_netif_stop(struct niu *np) 6409e689cf4aSJeff Kirsher { 6410860e9538SFlorian Westphal netif_trans_update(np->dev); /* prevent tx timeout */ 6411e689cf4aSJeff Kirsher 6412e689cf4aSJeff Kirsher niu_disable_napi(np); 6413e689cf4aSJeff Kirsher 6414e689cf4aSJeff Kirsher netif_tx_disable(np->dev); 6415e689cf4aSJeff Kirsher } 6416e689cf4aSJeff Kirsher 6417e689cf4aSJeff Kirsher static void niu_netif_start(struct niu *np) 6418e689cf4aSJeff Kirsher { 6419e689cf4aSJeff Kirsher /* NOTE: unconditional netif_wake_queue is only appropriate 6420e689cf4aSJeff Kirsher * so long as all callers are assured to have free tx slots 6421e689cf4aSJeff Kirsher * (such as after niu_init_hw). 6422e689cf4aSJeff Kirsher */ 6423e689cf4aSJeff Kirsher netif_tx_wake_all_queues(np->dev); 6424e689cf4aSJeff Kirsher 6425e689cf4aSJeff Kirsher niu_enable_napi(np); 6426e689cf4aSJeff Kirsher 6427e689cf4aSJeff Kirsher niu_enable_interrupts(np, 1); 6428e689cf4aSJeff Kirsher } 6429e689cf4aSJeff Kirsher 6430e689cf4aSJeff Kirsher static void niu_reset_buffers(struct niu *np) 6431e689cf4aSJeff Kirsher { 6432e689cf4aSJeff Kirsher int i, j, k, err; 6433e689cf4aSJeff Kirsher 6434e689cf4aSJeff Kirsher if (np->rx_rings) { 6435e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 6436e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 6437e689cf4aSJeff Kirsher 6438e689cf4aSJeff Kirsher for (j = 0, k = 0; j < MAX_RBR_RING_SIZE; j++) { 6439e689cf4aSJeff Kirsher struct page *page; 6440e689cf4aSJeff Kirsher 6441e689cf4aSJeff Kirsher page = rp->rxhash[j]; 6442e689cf4aSJeff Kirsher while (page) { 6443e689cf4aSJeff Kirsher struct page *next = 6444e689cf4aSJeff Kirsher (struct page *) page->mapping; 6445e689cf4aSJeff Kirsher u64 base = page->index; 6446e689cf4aSJeff Kirsher base = base >> RBR_DESCR_ADDR_SHIFT; 6447e689cf4aSJeff Kirsher rp->rbr[k++] = cpu_to_le32(base); 6448e689cf4aSJeff Kirsher page = next; 6449e689cf4aSJeff Kirsher } 6450e689cf4aSJeff Kirsher } 6451e689cf4aSJeff Kirsher for (; k < MAX_RBR_RING_SIZE; k++) { 6452e689cf4aSJeff Kirsher err = niu_rbr_add_page(np, rp, GFP_ATOMIC, k); 6453e689cf4aSJeff Kirsher if (unlikely(err)) 6454e689cf4aSJeff Kirsher break; 6455e689cf4aSJeff Kirsher } 6456e689cf4aSJeff Kirsher 6457e689cf4aSJeff Kirsher rp->rbr_index = rp->rbr_table_size - 1; 6458e689cf4aSJeff Kirsher rp->rcr_index = 0; 6459e689cf4aSJeff Kirsher rp->rbr_pending = 0; 6460e689cf4aSJeff Kirsher rp->rbr_refill_pending = 0; 6461e689cf4aSJeff Kirsher } 6462e689cf4aSJeff Kirsher } 6463e689cf4aSJeff Kirsher if (np->tx_rings) { 6464e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 6465e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 6466e689cf4aSJeff Kirsher 6467e689cf4aSJeff Kirsher for (j = 0; j < MAX_TX_RING_SIZE; j++) { 6468e689cf4aSJeff Kirsher if (rp->tx_buffs[j].skb) 6469e689cf4aSJeff Kirsher (void) release_tx_packet(np, rp, j); 6470e689cf4aSJeff Kirsher } 6471e689cf4aSJeff Kirsher 6472e689cf4aSJeff Kirsher rp->pending = MAX_TX_RING_SIZE; 6473e689cf4aSJeff Kirsher rp->prod = 0; 6474e689cf4aSJeff Kirsher rp->cons = 0; 6475e689cf4aSJeff Kirsher rp->wrap_bit = 0; 6476e689cf4aSJeff Kirsher } 6477e689cf4aSJeff Kirsher } 6478e689cf4aSJeff Kirsher } 6479e689cf4aSJeff Kirsher 6480e689cf4aSJeff Kirsher static void niu_reset_task(struct work_struct *work) 6481e689cf4aSJeff Kirsher { 6482e689cf4aSJeff Kirsher struct niu *np = container_of(work, struct niu, reset_task); 6483e689cf4aSJeff Kirsher unsigned long flags; 6484e689cf4aSJeff Kirsher int err; 6485e689cf4aSJeff Kirsher 6486e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6487e689cf4aSJeff Kirsher if (!netif_running(np->dev)) { 6488e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6489e689cf4aSJeff Kirsher return; 6490e689cf4aSJeff Kirsher } 6491e689cf4aSJeff Kirsher 6492e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6493e689cf4aSJeff Kirsher 6494e689cf4aSJeff Kirsher del_timer_sync(&np->timer); 6495e689cf4aSJeff Kirsher 6496e689cf4aSJeff Kirsher niu_netif_stop(np); 6497e689cf4aSJeff Kirsher 6498e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6499e689cf4aSJeff Kirsher 6500e689cf4aSJeff Kirsher niu_stop_hw(np); 6501e689cf4aSJeff Kirsher 6502e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6503e689cf4aSJeff Kirsher 6504e689cf4aSJeff Kirsher niu_reset_buffers(np); 6505e689cf4aSJeff Kirsher 6506e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 6507e689cf4aSJeff Kirsher 6508e689cf4aSJeff Kirsher err = niu_init_hw(np); 6509e689cf4aSJeff Kirsher if (!err) { 6510e689cf4aSJeff Kirsher np->timer.expires = jiffies + HZ; 6511e689cf4aSJeff Kirsher add_timer(&np->timer); 6512e689cf4aSJeff Kirsher niu_netif_start(np); 6513e689cf4aSJeff Kirsher } 6514e689cf4aSJeff Kirsher 6515e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 6516e689cf4aSJeff Kirsher } 6517e689cf4aSJeff Kirsher 65180290bd29SMichael S. Tsirkin static void niu_tx_timeout(struct net_device *dev, unsigned int txqueue) 6519e689cf4aSJeff Kirsher { 6520e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6521e689cf4aSJeff Kirsher 6522e689cf4aSJeff Kirsher dev_err(np->device, "%s: Transmit timed out, resetting\n", 6523e689cf4aSJeff Kirsher dev->name); 6524e689cf4aSJeff Kirsher 6525e689cf4aSJeff Kirsher schedule_work(&np->reset_task); 6526e689cf4aSJeff Kirsher } 6527e689cf4aSJeff Kirsher 6528e689cf4aSJeff Kirsher static void niu_set_txd(struct tx_ring_info *rp, int index, 6529e689cf4aSJeff Kirsher u64 mapping, u64 len, u64 mark, 6530e689cf4aSJeff Kirsher u64 n_frags) 6531e689cf4aSJeff Kirsher { 6532e689cf4aSJeff Kirsher __le64 *desc = &rp->descr[index]; 6533e689cf4aSJeff Kirsher 6534e689cf4aSJeff Kirsher *desc = cpu_to_le64(mark | 6535e689cf4aSJeff Kirsher (n_frags << TX_DESC_NUM_PTR_SHIFT) | 6536e689cf4aSJeff Kirsher (len << TX_DESC_TR_LEN_SHIFT) | 6537e689cf4aSJeff Kirsher (mapping & TX_DESC_SAD)); 6538e689cf4aSJeff Kirsher } 6539e689cf4aSJeff Kirsher 6540e689cf4aSJeff Kirsher static u64 niu_compute_tx_flags(struct sk_buff *skb, struct ethhdr *ehdr, 6541e689cf4aSJeff Kirsher u64 pad_bytes, u64 len) 6542e689cf4aSJeff Kirsher { 6543e689cf4aSJeff Kirsher u16 eth_proto, eth_proto_inner; 6544e689cf4aSJeff Kirsher u64 csum_bits, l3off, ihl, ret; 6545e689cf4aSJeff Kirsher u8 ip_proto; 6546e689cf4aSJeff Kirsher int ipv6; 6547e689cf4aSJeff Kirsher 6548e689cf4aSJeff Kirsher eth_proto = be16_to_cpu(ehdr->h_proto); 6549e689cf4aSJeff Kirsher eth_proto_inner = eth_proto; 6550e689cf4aSJeff Kirsher if (eth_proto == ETH_P_8021Q) { 6551e689cf4aSJeff Kirsher struct vlan_ethhdr *vp = (struct vlan_ethhdr *) ehdr; 6552e689cf4aSJeff Kirsher __be16 val = vp->h_vlan_encapsulated_proto; 6553e689cf4aSJeff Kirsher 6554e689cf4aSJeff Kirsher eth_proto_inner = be16_to_cpu(val); 6555e689cf4aSJeff Kirsher } 6556e689cf4aSJeff Kirsher 6557e689cf4aSJeff Kirsher ipv6 = ihl = 0; 6558e689cf4aSJeff Kirsher switch (skb->protocol) { 6559e689cf4aSJeff Kirsher case cpu_to_be16(ETH_P_IP): 6560e689cf4aSJeff Kirsher ip_proto = ip_hdr(skb)->protocol; 6561e689cf4aSJeff Kirsher ihl = ip_hdr(skb)->ihl; 6562e689cf4aSJeff Kirsher break; 6563e689cf4aSJeff Kirsher case cpu_to_be16(ETH_P_IPV6): 6564e689cf4aSJeff Kirsher ip_proto = ipv6_hdr(skb)->nexthdr; 6565e689cf4aSJeff Kirsher ihl = (40 >> 2); 6566e689cf4aSJeff Kirsher ipv6 = 1; 6567e689cf4aSJeff Kirsher break; 6568e689cf4aSJeff Kirsher default: 6569e689cf4aSJeff Kirsher ip_proto = ihl = 0; 6570e689cf4aSJeff Kirsher break; 6571e689cf4aSJeff Kirsher } 6572e689cf4aSJeff Kirsher 6573e689cf4aSJeff Kirsher csum_bits = TXHDR_CSUM_NONE; 6574e689cf4aSJeff Kirsher if (skb->ip_summed == CHECKSUM_PARTIAL) { 6575e689cf4aSJeff Kirsher u64 start, stuff; 6576e689cf4aSJeff Kirsher 6577e689cf4aSJeff Kirsher csum_bits = (ip_proto == IPPROTO_TCP ? 6578e689cf4aSJeff Kirsher TXHDR_CSUM_TCP : 6579e689cf4aSJeff Kirsher (ip_proto == IPPROTO_UDP ? 6580e689cf4aSJeff Kirsher TXHDR_CSUM_UDP : TXHDR_CSUM_SCTP)); 6581e689cf4aSJeff Kirsher 6582e689cf4aSJeff Kirsher start = skb_checksum_start_offset(skb) - 6583e689cf4aSJeff Kirsher (pad_bytes + sizeof(struct tx_pkt_hdr)); 6584e689cf4aSJeff Kirsher stuff = start + skb->csum_offset; 6585e689cf4aSJeff Kirsher 6586e689cf4aSJeff Kirsher csum_bits |= (start / 2) << TXHDR_L4START_SHIFT; 6587e689cf4aSJeff Kirsher csum_bits |= (stuff / 2) << TXHDR_L4STUFF_SHIFT; 6588e689cf4aSJeff Kirsher } 6589e689cf4aSJeff Kirsher 6590e689cf4aSJeff Kirsher l3off = skb_network_offset(skb) - 6591e689cf4aSJeff Kirsher (pad_bytes + sizeof(struct tx_pkt_hdr)); 6592e689cf4aSJeff Kirsher 6593e689cf4aSJeff Kirsher ret = (((pad_bytes / 2) << TXHDR_PAD_SHIFT) | 6594e689cf4aSJeff Kirsher (len << TXHDR_LEN_SHIFT) | 6595e689cf4aSJeff Kirsher ((l3off / 2) << TXHDR_L3START_SHIFT) | 6596e689cf4aSJeff Kirsher (ihl << TXHDR_IHL_SHIFT) | 6597e5c5d22eSSimon Horman ((eth_proto_inner < ETH_P_802_3_MIN) ? TXHDR_LLC : 0) | 6598e689cf4aSJeff Kirsher ((eth_proto == ETH_P_8021Q) ? TXHDR_VLAN : 0) | 6599e689cf4aSJeff Kirsher (ipv6 ? TXHDR_IP_VER : 0) | 6600e689cf4aSJeff Kirsher csum_bits); 6601e689cf4aSJeff Kirsher 6602e689cf4aSJeff Kirsher return ret; 6603e689cf4aSJeff Kirsher } 6604e689cf4aSJeff Kirsher 6605e689cf4aSJeff Kirsher static netdev_tx_t niu_start_xmit(struct sk_buff *skb, 6606e689cf4aSJeff Kirsher struct net_device *dev) 6607e689cf4aSJeff Kirsher { 6608e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6609e689cf4aSJeff Kirsher unsigned long align, headroom; 6610e689cf4aSJeff Kirsher struct netdev_queue *txq; 6611e689cf4aSJeff Kirsher struct tx_ring_info *rp; 6612e689cf4aSJeff Kirsher struct tx_pkt_hdr *tp; 6613e689cf4aSJeff Kirsher unsigned int len, nfg; 6614e689cf4aSJeff Kirsher struct ethhdr *ehdr; 6615e689cf4aSJeff Kirsher int prod, i, tlen; 6616e689cf4aSJeff Kirsher u64 mapping, mrk; 6617e689cf4aSJeff Kirsher 6618e689cf4aSJeff Kirsher i = skb_get_queue_mapping(skb); 6619e689cf4aSJeff Kirsher rp = &np->tx_rings[i]; 6620e689cf4aSJeff Kirsher txq = netdev_get_tx_queue(dev, i); 6621e689cf4aSJeff Kirsher 6622e689cf4aSJeff Kirsher if (niu_tx_avail(rp) <= (skb_shinfo(skb)->nr_frags + 1)) { 6623e689cf4aSJeff Kirsher netif_tx_stop_queue(txq); 6624e689cf4aSJeff Kirsher dev_err(np->device, "%s: BUG! Tx ring full when queue awake!\n", dev->name); 6625e689cf4aSJeff Kirsher rp->tx_errors++; 6626e689cf4aSJeff Kirsher return NETDEV_TX_BUSY; 6627e689cf4aSJeff Kirsher } 6628e689cf4aSJeff Kirsher 662928f7936cSAlexander Duyck if (eth_skb_pad(skb)) 6630e689cf4aSJeff Kirsher goto out; 6631e689cf4aSJeff Kirsher 6632e689cf4aSJeff Kirsher len = sizeof(struct tx_pkt_hdr) + 15; 6633e689cf4aSJeff Kirsher if (skb_headroom(skb) < len) { 6634e689cf4aSJeff Kirsher struct sk_buff *skb_new; 6635e689cf4aSJeff Kirsher 6636e689cf4aSJeff Kirsher skb_new = skb_realloc_headroom(skb, len); 663742288830SJiri Pirko if (!skb_new) 6638e689cf4aSJeff Kirsher goto out_drop; 6639e689cf4aSJeff Kirsher kfree_skb(skb); 6640e689cf4aSJeff Kirsher skb = skb_new; 6641e689cf4aSJeff Kirsher } else 6642e689cf4aSJeff Kirsher skb_orphan(skb); 6643e689cf4aSJeff Kirsher 6644e689cf4aSJeff Kirsher align = ((unsigned long) skb->data & (16 - 1)); 6645e689cf4aSJeff Kirsher headroom = align + sizeof(struct tx_pkt_hdr); 6646e689cf4aSJeff Kirsher 6647e689cf4aSJeff Kirsher ehdr = (struct ethhdr *) skb->data; 6648d58ff351SJohannes Berg tp = skb_push(skb, headroom); 6649e689cf4aSJeff Kirsher 6650e689cf4aSJeff Kirsher len = skb->len - sizeof(struct tx_pkt_hdr); 6651e689cf4aSJeff Kirsher tp->flags = cpu_to_le64(niu_compute_tx_flags(skb, ehdr, align, len)); 6652e689cf4aSJeff Kirsher tp->resv = 0; 6653e689cf4aSJeff Kirsher 6654e689cf4aSJeff Kirsher len = skb_headlen(skb); 6655e689cf4aSJeff Kirsher mapping = np->ops->map_single(np->device, skb->data, 6656e689cf4aSJeff Kirsher len, DMA_TO_DEVICE); 6657e689cf4aSJeff Kirsher 6658e689cf4aSJeff Kirsher prod = rp->prod; 6659e689cf4aSJeff Kirsher 6660e689cf4aSJeff Kirsher rp->tx_buffs[prod].skb = skb; 6661e689cf4aSJeff Kirsher rp->tx_buffs[prod].mapping = mapping; 6662e689cf4aSJeff Kirsher 6663e689cf4aSJeff Kirsher mrk = TX_DESC_SOP; 6664e689cf4aSJeff Kirsher if (++rp->mark_counter == rp->mark_freq) { 6665e689cf4aSJeff Kirsher rp->mark_counter = 0; 6666e689cf4aSJeff Kirsher mrk |= TX_DESC_MARK; 6667e689cf4aSJeff Kirsher rp->mark_pending++; 6668e689cf4aSJeff Kirsher } 6669e689cf4aSJeff Kirsher 6670e689cf4aSJeff Kirsher tlen = len; 6671e689cf4aSJeff Kirsher nfg = skb_shinfo(skb)->nr_frags; 6672e689cf4aSJeff Kirsher while (tlen > 0) { 6673e689cf4aSJeff Kirsher tlen -= MAX_TX_DESC_LEN; 6674e689cf4aSJeff Kirsher nfg++; 6675e689cf4aSJeff Kirsher } 6676e689cf4aSJeff Kirsher 6677e689cf4aSJeff Kirsher while (len > 0) { 6678e689cf4aSJeff Kirsher unsigned int this_len = len; 6679e689cf4aSJeff Kirsher 6680e689cf4aSJeff Kirsher if (this_len > MAX_TX_DESC_LEN) 6681e689cf4aSJeff Kirsher this_len = MAX_TX_DESC_LEN; 6682e689cf4aSJeff Kirsher 6683e689cf4aSJeff Kirsher niu_set_txd(rp, prod, mapping, this_len, mrk, nfg); 6684e689cf4aSJeff Kirsher mrk = nfg = 0; 6685e689cf4aSJeff Kirsher 6686e689cf4aSJeff Kirsher prod = NEXT_TX(rp, prod); 6687e689cf4aSJeff Kirsher mapping += this_len; 6688e689cf4aSJeff Kirsher len -= this_len; 6689e689cf4aSJeff Kirsher } 6690e689cf4aSJeff Kirsher 6691e689cf4aSJeff Kirsher for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { 66929e903e08SEric Dumazet const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; 6693e689cf4aSJeff Kirsher 66949e903e08SEric Dumazet len = skb_frag_size(frag); 6695134b413cSIan Campbell mapping = np->ops->map_page(np->device, skb_frag_page(frag), 6696b54c9d5bSJonathan Lemon skb_frag_off(frag), len, 6697e689cf4aSJeff Kirsher DMA_TO_DEVICE); 6698e689cf4aSJeff Kirsher 6699e689cf4aSJeff Kirsher rp->tx_buffs[prod].skb = NULL; 6700e689cf4aSJeff Kirsher rp->tx_buffs[prod].mapping = mapping; 6701e689cf4aSJeff Kirsher 6702e689cf4aSJeff Kirsher niu_set_txd(rp, prod, mapping, len, 0, 0); 6703e689cf4aSJeff Kirsher 6704e689cf4aSJeff Kirsher prod = NEXT_TX(rp, prod); 6705e689cf4aSJeff Kirsher } 6706e689cf4aSJeff Kirsher 6707e689cf4aSJeff Kirsher if (prod < rp->prod) 6708e689cf4aSJeff Kirsher rp->wrap_bit ^= TX_RING_KICK_WRAP; 6709e689cf4aSJeff Kirsher rp->prod = prod; 6710e689cf4aSJeff Kirsher 6711e689cf4aSJeff Kirsher nw64(TX_RING_KICK(rp->tx_channel), rp->wrap_bit | (prod << 3)); 6712e689cf4aSJeff Kirsher 6713e689cf4aSJeff Kirsher if (unlikely(niu_tx_avail(rp) <= (MAX_SKB_FRAGS + 1))) { 6714e689cf4aSJeff Kirsher netif_tx_stop_queue(txq); 6715e689cf4aSJeff Kirsher if (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)) 6716e689cf4aSJeff Kirsher netif_tx_wake_queue(txq); 6717e689cf4aSJeff Kirsher } 6718e689cf4aSJeff Kirsher 6719e689cf4aSJeff Kirsher out: 6720e689cf4aSJeff Kirsher return NETDEV_TX_OK; 6721e689cf4aSJeff Kirsher 6722e689cf4aSJeff Kirsher out_drop: 6723e689cf4aSJeff Kirsher rp->tx_errors++; 6724e689cf4aSJeff Kirsher kfree_skb(skb); 6725e689cf4aSJeff Kirsher goto out; 6726e689cf4aSJeff Kirsher } 6727e689cf4aSJeff Kirsher 6728e689cf4aSJeff Kirsher static int niu_change_mtu(struct net_device *dev, int new_mtu) 6729e689cf4aSJeff Kirsher { 6730e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6731e689cf4aSJeff Kirsher int err, orig_jumbo, new_jumbo; 6732e689cf4aSJeff Kirsher 6733e689cf4aSJeff Kirsher orig_jumbo = (dev->mtu > ETH_DATA_LEN); 6734e689cf4aSJeff Kirsher new_jumbo = (new_mtu > ETH_DATA_LEN); 6735e689cf4aSJeff Kirsher 6736e689cf4aSJeff Kirsher dev->mtu = new_mtu; 6737e689cf4aSJeff Kirsher 6738e689cf4aSJeff Kirsher if (!netif_running(dev) || 6739e689cf4aSJeff Kirsher (orig_jumbo == new_jumbo)) 6740e689cf4aSJeff Kirsher return 0; 6741e689cf4aSJeff Kirsher 6742e689cf4aSJeff Kirsher niu_full_shutdown(np, dev); 6743e689cf4aSJeff Kirsher 6744e689cf4aSJeff Kirsher niu_free_channels(np); 6745e689cf4aSJeff Kirsher 6746e689cf4aSJeff Kirsher niu_enable_napi(np); 6747e689cf4aSJeff Kirsher 6748e689cf4aSJeff Kirsher err = niu_alloc_channels(np); 6749e689cf4aSJeff Kirsher if (err) 6750e689cf4aSJeff Kirsher return err; 6751e689cf4aSJeff Kirsher 6752e689cf4aSJeff Kirsher spin_lock_irq(&np->lock); 6753e689cf4aSJeff Kirsher 6754e689cf4aSJeff Kirsher err = niu_init_hw(np); 6755e689cf4aSJeff Kirsher if (!err) { 67560822c5d9SKees Cook timer_setup(&np->timer, niu_timer, 0); 6757e689cf4aSJeff Kirsher np->timer.expires = jiffies + HZ; 6758e689cf4aSJeff Kirsher 6759e689cf4aSJeff Kirsher err = niu_enable_interrupts(np, 1); 6760e689cf4aSJeff Kirsher if (err) 6761e689cf4aSJeff Kirsher niu_stop_hw(np); 6762e689cf4aSJeff Kirsher } 6763e689cf4aSJeff Kirsher 6764e689cf4aSJeff Kirsher spin_unlock_irq(&np->lock); 6765e689cf4aSJeff Kirsher 6766e689cf4aSJeff Kirsher if (!err) { 6767e689cf4aSJeff Kirsher netif_tx_start_all_queues(dev); 6768e689cf4aSJeff Kirsher if (np->link_config.loopback_mode != LOOPBACK_DISABLED) 6769e689cf4aSJeff Kirsher netif_carrier_on(dev); 6770e689cf4aSJeff Kirsher 6771e689cf4aSJeff Kirsher add_timer(&np->timer); 6772e689cf4aSJeff Kirsher } 6773e689cf4aSJeff Kirsher 6774e689cf4aSJeff Kirsher return err; 6775e689cf4aSJeff Kirsher } 6776e689cf4aSJeff Kirsher 6777e689cf4aSJeff Kirsher static void niu_get_drvinfo(struct net_device *dev, 6778e689cf4aSJeff Kirsher struct ethtool_drvinfo *info) 6779e689cf4aSJeff Kirsher { 6780e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6781e689cf4aSJeff Kirsher struct niu_vpd *vpd = &np->vpd; 6782e689cf4aSJeff Kirsher 678323020ab3SRick Jones strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 678423020ab3SRick Jones strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 678523020ab3SRick Jones snprintf(info->fw_version, sizeof(info->fw_version), "%d.%d", 6786e689cf4aSJeff Kirsher vpd->fcode_major, vpd->fcode_minor); 6787e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) 678823020ab3SRick Jones strlcpy(info->bus_info, pci_name(np->pdev), 678923020ab3SRick Jones sizeof(info->bus_info)); 6790e689cf4aSJeff Kirsher } 6791e689cf4aSJeff Kirsher 6792d9722531SPhilippe Reynes static int niu_get_link_ksettings(struct net_device *dev, 6793d9722531SPhilippe Reynes struct ethtool_link_ksettings *cmd) 6794e689cf4aSJeff Kirsher { 6795e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6796e689cf4aSJeff Kirsher struct niu_link_config *lp; 6797e689cf4aSJeff Kirsher 6798e689cf4aSJeff Kirsher lp = &np->link_config; 6799e689cf4aSJeff Kirsher 6800e689cf4aSJeff Kirsher memset(cmd, 0, sizeof(*cmd)); 6801d9722531SPhilippe Reynes cmd->base.phy_address = np->phy_addr; 6802d9722531SPhilippe Reynes ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 6803d9722531SPhilippe Reynes lp->supported); 6804d9722531SPhilippe Reynes ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 6805d9722531SPhilippe Reynes lp->active_advertising); 6806d9722531SPhilippe Reynes cmd->base.autoneg = lp->active_autoneg; 6807d9722531SPhilippe Reynes cmd->base.speed = lp->active_speed; 6808d9722531SPhilippe Reynes cmd->base.duplex = lp->active_duplex; 6809d9722531SPhilippe Reynes cmd->base.port = (np->flags & NIU_FLAGS_FIBER) ? PORT_FIBRE : PORT_TP; 6810e689cf4aSJeff Kirsher 6811e689cf4aSJeff Kirsher return 0; 6812e689cf4aSJeff Kirsher } 6813e689cf4aSJeff Kirsher 6814d9722531SPhilippe Reynes static int niu_set_link_ksettings(struct net_device *dev, 6815d9722531SPhilippe Reynes const struct ethtool_link_ksettings *cmd) 6816e689cf4aSJeff Kirsher { 6817e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6818e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 6819e689cf4aSJeff Kirsher 6820d9722531SPhilippe Reynes ethtool_convert_link_mode_to_legacy_u32(&lp->advertising, 6821d9722531SPhilippe Reynes cmd->link_modes.advertising); 6822d9722531SPhilippe Reynes lp->speed = cmd->base.speed; 6823d9722531SPhilippe Reynes lp->duplex = cmd->base.duplex; 6824d9722531SPhilippe Reynes lp->autoneg = cmd->base.autoneg; 6825e689cf4aSJeff Kirsher return niu_init_link(np); 6826e689cf4aSJeff Kirsher } 6827e689cf4aSJeff Kirsher 6828e689cf4aSJeff Kirsher static u32 niu_get_msglevel(struct net_device *dev) 6829e689cf4aSJeff Kirsher { 6830e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6831e689cf4aSJeff Kirsher return np->msg_enable; 6832e689cf4aSJeff Kirsher } 6833e689cf4aSJeff Kirsher 6834e689cf4aSJeff Kirsher static void niu_set_msglevel(struct net_device *dev, u32 value) 6835e689cf4aSJeff Kirsher { 6836e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6837e689cf4aSJeff Kirsher np->msg_enable = value; 6838e689cf4aSJeff Kirsher } 6839e689cf4aSJeff Kirsher 6840e689cf4aSJeff Kirsher static int niu_nway_reset(struct net_device *dev) 6841e689cf4aSJeff Kirsher { 6842e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6843e689cf4aSJeff Kirsher 6844e689cf4aSJeff Kirsher if (np->link_config.autoneg) 6845e689cf4aSJeff Kirsher return niu_init_link(np); 6846e689cf4aSJeff Kirsher 6847e689cf4aSJeff Kirsher return 0; 6848e689cf4aSJeff Kirsher } 6849e689cf4aSJeff Kirsher 6850e689cf4aSJeff Kirsher static int niu_get_eeprom_len(struct net_device *dev) 6851e689cf4aSJeff Kirsher { 6852e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6853e689cf4aSJeff Kirsher 6854e689cf4aSJeff Kirsher return np->eeprom_len; 6855e689cf4aSJeff Kirsher } 6856e689cf4aSJeff Kirsher 6857e689cf4aSJeff Kirsher static int niu_get_eeprom(struct net_device *dev, 6858e689cf4aSJeff Kirsher struct ethtool_eeprom *eeprom, u8 *data) 6859e689cf4aSJeff Kirsher { 6860e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 6861e689cf4aSJeff Kirsher u32 offset, len, val; 6862e689cf4aSJeff Kirsher 6863e689cf4aSJeff Kirsher offset = eeprom->offset; 6864e689cf4aSJeff Kirsher len = eeprom->len; 6865e689cf4aSJeff Kirsher 6866e689cf4aSJeff Kirsher if (offset + len < offset) 6867e689cf4aSJeff Kirsher return -EINVAL; 6868e689cf4aSJeff Kirsher if (offset >= np->eeprom_len) 6869e689cf4aSJeff Kirsher return -EINVAL; 6870e689cf4aSJeff Kirsher if (offset + len > np->eeprom_len) 6871e689cf4aSJeff Kirsher len = eeprom->len = np->eeprom_len - offset; 6872e689cf4aSJeff Kirsher 6873e689cf4aSJeff Kirsher if (offset & 3) { 6874e689cf4aSJeff Kirsher u32 b_offset, b_count; 6875e689cf4aSJeff Kirsher 6876e689cf4aSJeff Kirsher b_offset = offset & 3; 6877e689cf4aSJeff Kirsher b_count = 4 - b_offset; 6878e689cf4aSJeff Kirsher if (b_count > len) 6879e689cf4aSJeff Kirsher b_count = len; 6880e689cf4aSJeff Kirsher 6881e689cf4aSJeff Kirsher val = nr64(ESPC_NCR((offset - b_offset) / 4)); 6882e689cf4aSJeff Kirsher memcpy(data, ((char *)&val) + b_offset, b_count); 6883e689cf4aSJeff Kirsher data += b_count; 6884e689cf4aSJeff Kirsher len -= b_count; 6885e689cf4aSJeff Kirsher offset += b_count; 6886e689cf4aSJeff Kirsher } 6887e689cf4aSJeff Kirsher while (len >= 4) { 6888e689cf4aSJeff Kirsher val = nr64(ESPC_NCR(offset / 4)); 6889e689cf4aSJeff Kirsher memcpy(data, &val, 4); 6890e689cf4aSJeff Kirsher data += 4; 6891e689cf4aSJeff Kirsher len -= 4; 6892e689cf4aSJeff Kirsher offset += 4; 6893e689cf4aSJeff Kirsher } 6894e689cf4aSJeff Kirsher if (len) { 6895e689cf4aSJeff Kirsher val = nr64(ESPC_NCR(offset / 4)); 6896e689cf4aSJeff Kirsher memcpy(data, &val, len); 6897e689cf4aSJeff Kirsher } 6898e689cf4aSJeff Kirsher return 0; 6899e689cf4aSJeff Kirsher } 6900e689cf4aSJeff Kirsher 6901e689cf4aSJeff Kirsher static void niu_ethflow_to_l3proto(int flow_type, u8 *pid) 6902e689cf4aSJeff Kirsher { 6903e689cf4aSJeff Kirsher switch (flow_type) { 6904e689cf4aSJeff Kirsher case TCP_V4_FLOW: 6905e689cf4aSJeff Kirsher case TCP_V6_FLOW: 6906e689cf4aSJeff Kirsher *pid = IPPROTO_TCP; 6907e689cf4aSJeff Kirsher break; 6908e689cf4aSJeff Kirsher case UDP_V4_FLOW: 6909e689cf4aSJeff Kirsher case UDP_V6_FLOW: 6910e689cf4aSJeff Kirsher *pid = IPPROTO_UDP; 6911e689cf4aSJeff Kirsher break; 6912e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 6913e689cf4aSJeff Kirsher case SCTP_V6_FLOW: 6914e689cf4aSJeff Kirsher *pid = IPPROTO_SCTP; 6915e689cf4aSJeff Kirsher break; 6916e689cf4aSJeff Kirsher case AH_V4_FLOW: 6917e689cf4aSJeff Kirsher case AH_V6_FLOW: 6918e689cf4aSJeff Kirsher *pid = IPPROTO_AH; 6919e689cf4aSJeff Kirsher break; 6920e689cf4aSJeff Kirsher case ESP_V4_FLOW: 6921e689cf4aSJeff Kirsher case ESP_V6_FLOW: 6922e689cf4aSJeff Kirsher *pid = IPPROTO_ESP; 6923e689cf4aSJeff Kirsher break; 6924e689cf4aSJeff Kirsher default: 6925e689cf4aSJeff Kirsher *pid = 0; 6926e689cf4aSJeff Kirsher break; 6927e689cf4aSJeff Kirsher } 6928e689cf4aSJeff Kirsher } 6929e689cf4aSJeff Kirsher 6930e689cf4aSJeff Kirsher static int niu_class_to_ethflow(u64 class, int *flow_type) 6931e689cf4aSJeff Kirsher { 6932e689cf4aSJeff Kirsher switch (class) { 6933e689cf4aSJeff Kirsher case CLASS_CODE_TCP_IPV4: 6934e689cf4aSJeff Kirsher *flow_type = TCP_V4_FLOW; 6935e689cf4aSJeff Kirsher break; 6936e689cf4aSJeff Kirsher case CLASS_CODE_UDP_IPV4: 6937e689cf4aSJeff Kirsher *flow_type = UDP_V4_FLOW; 6938e689cf4aSJeff Kirsher break; 6939e689cf4aSJeff Kirsher case CLASS_CODE_AH_ESP_IPV4: 6940e689cf4aSJeff Kirsher *flow_type = AH_V4_FLOW; 6941e689cf4aSJeff Kirsher break; 6942e689cf4aSJeff Kirsher case CLASS_CODE_SCTP_IPV4: 6943e689cf4aSJeff Kirsher *flow_type = SCTP_V4_FLOW; 6944e689cf4aSJeff Kirsher break; 6945e689cf4aSJeff Kirsher case CLASS_CODE_TCP_IPV6: 6946e689cf4aSJeff Kirsher *flow_type = TCP_V6_FLOW; 6947e689cf4aSJeff Kirsher break; 6948e689cf4aSJeff Kirsher case CLASS_CODE_UDP_IPV6: 6949e689cf4aSJeff Kirsher *flow_type = UDP_V6_FLOW; 6950e689cf4aSJeff Kirsher break; 6951e689cf4aSJeff Kirsher case CLASS_CODE_AH_ESP_IPV6: 6952e689cf4aSJeff Kirsher *flow_type = AH_V6_FLOW; 6953e689cf4aSJeff Kirsher break; 6954e689cf4aSJeff Kirsher case CLASS_CODE_SCTP_IPV6: 6955e689cf4aSJeff Kirsher *flow_type = SCTP_V6_FLOW; 6956e689cf4aSJeff Kirsher break; 6957e689cf4aSJeff Kirsher case CLASS_CODE_USER_PROG1: 6958e689cf4aSJeff Kirsher case CLASS_CODE_USER_PROG2: 6959e689cf4aSJeff Kirsher case CLASS_CODE_USER_PROG3: 6960e689cf4aSJeff Kirsher case CLASS_CODE_USER_PROG4: 6961e689cf4aSJeff Kirsher *flow_type = IP_USER_FLOW; 6962e689cf4aSJeff Kirsher break; 6963e689cf4aSJeff Kirsher default: 6964f55ea3d9SDan Carpenter return -EINVAL; 6965e689cf4aSJeff Kirsher } 6966e689cf4aSJeff Kirsher 6967f55ea3d9SDan Carpenter return 0; 6968e689cf4aSJeff Kirsher } 6969e689cf4aSJeff Kirsher 6970e689cf4aSJeff Kirsher static int niu_ethflow_to_class(int flow_type, u64 *class) 6971e689cf4aSJeff Kirsher { 6972e689cf4aSJeff Kirsher switch (flow_type) { 6973e689cf4aSJeff Kirsher case TCP_V4_FLOW: 6974e689cf4aSJeff Kirsher *class = CLASS_CODE_TCP_IPV4; 6975e689cf4aSJeff Kirsher break; 6976e689cf4aSJeff Kirsher case UDP_V4_FLOW: 6977e689cf4aSJeff Kirsher *class = CLASS_CODE_UDP_IPV4; 6978e689cf4aSJeff Kirsher break; 6979e689cf4aSJeff Kirsher case AH_ESP_V4_FLOW: 6980e689cf4aSJeff Kirsher case AH_V4_FLOW: 6981e689cf4aSJeff Kirsher case ESP_V4_FLOW: 6982e689cf4aSJeff Kirsher *class = CLASS_CODE_AH_ESP_IPV4; 6983e689cf4aSJeff Kirsher break; 6984e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 6985e689cf4aSJeff Kirsher *class = CLASS_CODE_SCTP_IPV4; 6986e689cf4aSJeff Kirsher break; 6987e689cf4aSJeff Kirsher case TCP_V6_FLOW: 6988e689cf4aSJeff Kirsher *class = CLASS_CODE_TCP_IPV6; 6989e689cf4aSJeff Kirsher break; 6990e689cf4aSJeff Kirsher case UDP_V6_FLOW: 6991e689cf4aSJeff Kirsher *class = CLASS_CODE_UDP_IPV6; 6992e689cf4aSJeff Kirsher break; 6993e689cf4aSJeff Kirsher case AH_ESP_V6_FLOW: 6994e689cf4aSJeff Kirsher case AH_V6_FLOW: 6995e689cf4aSJeff Kirsher case ESP_V6_FLOW: 6996e689cf4aSJeff Kirsher *class = CLASS_CODE_AH_ESP_IPV6; 6997e689cf4aSJeff Kirsher break; 6998e689cf4aSJeff Kirsher case SCTP_V6_FLOW: 6999e689cf4aSJeff Kirsher *class = CLASS_CODE_SCTP_IPV6; 7000e689cf4aSJeff Kirsher break; 7001e689cf4aSJeff Kirsher default: 7002e689cf4aSJeff Kirsher return 0; 7003e689cf4aSJeff Kirsher } 7004e689cf4aSJeff Kirsher 7005e689cf4aSJeff Kirsher return 1; 7006e689cf4aSJeff Kirsher } 7007e689cf4aSJeff Kirsher 7008e689cf4aSJeff Kirsher static u64 niu_flowkey_to_ethflow(u64 flow_key) 7009e689cf4aSJeff Kirsher { 7010e689cf4aSJeff Kirsher u64 ethflow = 0; 7011e689cf4aSJeff Kirsher 7012e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_L2DA) 7013e689cf4aSJeff Kirsher ethflow |= RXH_L2DA; 7014e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_VLAN) 7015e689cf4aSJeff Kirsher ethflow |= RXH_VLAN; 7016e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_IPSA) 7017e689cf4aSJeff Kirsher ethflow |= RXH_IP_SRC; 7018e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_IPDA) 7019e689cf4aSJeff Kirsher ethflow |= RXH_IP_DST; 7020e689cf4aSJeff Kirsher if (flow_key & FLOW_KEY_PROTO) 7021e689cf4aSJeff Kirsher ethflow |= RXH_L3_PROTO; 7022e689cf4aSJeff Kirsher if (flow_key & (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_0_SHIFT)) 7023e689cf4aSJeff Kirsher ethflow |= RXH_L4_B_0_1; 7024e689cf4aSJeff Kirsher if (flow_key & (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_1_SHIFT)) 7025e689cf4aSJeff Kirsher ethflow |= RXH_L4_B_2_3; 7026e689cf4aSJeff Kirsher 7027e689cf4aSJeff Kirsher return ethflow; 7028e689cf4aSJeff Kirsher 7029e689cf4aSJeff Kirsher } 7030e689cf4aSJeff Kirsher 7031e689cf4aSJeff Kirsher static int niu_ethflow_to_flowkey(u64 ethflow, u64 *flow_key) 7032e689cf4aSJeff Kirsher { 7033e689cf4aSJeff Kirsher u64 key = 0; 7034e689cf4aSJeff Kirsher 7035e689cf4aSJeff Kirsher if (ethflow & RXH_L2DA) 7036e689cf4aSJeff Kirsher key |= FLOW_KEY_L2DA; 7037e689cf4aSJeff Kirsher if (ethflow & RXH_VLAN) 7038e689cf4aSJeff Kirsher key |= FLOW_KEY_VLAN; 7039e689cf4aSJeff Kirsher if (ethflow & RXH_IP_SRC) 7040e689cf4aSJeff Kirsher key |= FLOW_KEY_IPSA; 7041e689cf4aSJeff Kirsher if (ethflow & RXH_IP_DST) 7042e689cf4aSJeff Kirsher key |= FLOW_KEY_IPDA; 7043e689cf4aSJeff Kirsher if (ethflow & RXH_L3_PROTO) 7044e689cf4aSJeff Kirsher key |= FLOW_KEY_PROTO; 7045e689cf4aSJeff Kirsher if (ethflow & RXH_L4_B_0_1) 7046e689cf4aSJeff Kirsher key |= (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_0_SHIFT); 7047e689cf4aSJeff Kirsher if (ethflow & RXH_L4_B_2_3) 7048e689cf4aSJeff Kirsher key |= (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_1_SHIFT); 7049e689cf4aSJeff Kirsher 7050e689cf4aSJeff Kirsher *flow_key = key; 7051e689cf4aSJeff Kirsher 7052e689cf4aSJeff Kirsher return 1; 7053e689cf4aSJeff Kirsher 7054e689cf4aSJeff Kirsher } 7055e689cf4aSJeff Kirsher 7056e689cf4aSJeff Kirsher static int niu_get_hash_opts(struct niu *np, struct ethtool_rxnfc *nfc) 7057e689cf4aSJeff Kirsher { 7058e689cf4aSJeff Kirsher u64 class; 7059e689cf4aSJeff Kirsher 7060e689cf4aSJeff Kirsher nfc->data = 0; 7061e689cf4aSJeff Kirsher 7062e689cf4aSJeff Kirsher if (!niu_ethflow_to_class(nfc->flow_type, &class)) 7063e689cf4aSJeff Kirsher return -EINVAL; 7064e689cf4aSJeff Kirsher 7065e689cf4aSJeff Kirsher if (np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] & 7066e689cf4aSJeff Kirsher TCAM_KEY_DISC) 7067e689cf4aSJeff Kirsher nfc->data = RXH_DISCARD; 7068e689cf4aSJeff Kirsher else 7069e689cf4aSJeff Kirsher nfc->data = niu_flowkey_to_ethflow(np->parent->flow_key[class - 7070e689cf4aSJeff Kirsher CLASS_CODE_USER_PROG1]); 7071e689cf4aSJeff Kirsher return 0; 7072e689cf4aSJeff Kirsher } 7073e689cf4aSJeff Kirsher 7074e689cf4aSJeff Kirsher static void niu_get_ip4fs_from_tcam_key(struct niu_tcam_entry *tp, 7075e689cf4aSJeff Kirsher struct ethtool_rx_flow_spec *fsp) 7076e689cf4aSJeff Kirsher { 7077e689cf4aSJeff Kirsher u32 tmp; 7078e689cf4aSJeff Kirsher u16 prt; 7079e689cf4aSJeff Kirsher 7080e689cf4aSJeff Kirsher tmp = (tp->key[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT; 7081e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp); 7082e689cf4aSJeff Kirsher 7083e689cf4aSJeff Kirsher tmp = (tp->key[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT; 7084e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp); 7085e689cf4aSJeff Kirsher 7086e689cf4aSJeff Kirsher tmp = (tp->key_mask[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT; 7087e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp); 7088e689cf4aSJeff Kirsher 7089e689cf4aSJeff Kirsher tmp = (tp->key_mask[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT; 7090e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp); 7091e689cf4aSJeff Kirsher 7092e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.tos = (tp->key[2] & TCAM_V4KEY2_TOS) >> 7093e689cf4aSJeff Kirsher TCAM_V4KEY2_TOS_SHIFT; 7094e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.tos = (tp->key_mask[2] & TCAM_V4KEY2_TOS) >> 7095e689cf4aSJeff Kirsher TCAM_V4KEY2_TOS_SHIFT; 7096e689cf4aSJeff Kirsher 7097e689cf4aSJeff Kirsher switch (fsp->flow_type) { 7098e689cf4aSJeff Kirsher case TCP_V4_FLOW: 7099e689cf4aSJeff Kirsher case UDP_V4_FLOW: 7100e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7101e689cf4aSJeff Kirsher prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7102e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16; 7103e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.psrc = cpu_to_be16(prt); 7104e689cf4aSJeff Kirsher 7105e689cf4aSJeff Kirsher prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7106e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff; 7107e689cf4aSJeff Kirsher fsp->h_u.tcp_ip4_spec.pdst = cpu_to_be16(prt); 7108e689cf4aSJeff Kirsher 7109e689cf4aSJeff Kirsher prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7110e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16; 7111e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.psrc = cpu_to_be16(prt); 7112e689cf4aSJeff Kirsher 7113e689cf4aSJeff Kirsher prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7114e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff; 7115e689cf4aSJeff Kirsher fsp->m_u.tcp_ip4_spec.pdst = cpu_to_be16(prt); 7116e689cf4aSJeff Kirsher break; 7117e689cf4aSJeff Kirsher case AH_V4_FLOW: 7118e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7119e689cf4aSJeff Kirsher tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7120e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT; 7121e689cf4aSJeff Kirsher fsp->h_u.ah_ip4_spec.spi = cpu_to_be32(tmp); 7122e689cf4aSJeff Kirsher 7123e689cf4aSJeff Kirsher tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7124e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT; 7125e689cf4aSJeff Kirsher fsp->m_u.ah_ip4_spec.spi = cpu_to_be32(tmp); 7126e689cf4aSJeff Kirsher break; 7127e689cf4aSJeff Kirsher case IP_USER_FLOW: 7128e689cf4aSJeff Kirsher tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7129e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT; 7130e689cf4aSJeff Kirsher fsp->h_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp); 7131e689cf4aSJeff Kirsher 7132e689cf4aSJeff Kirsher tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7133e689cf4aSJeff Kirsher TCAM_V4KEY2_PORT_SPI_SHIFT; 7134e689cf4aSJeff Kirsher fsp->m_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp); 7135e689cf4aSJeff Kirsher 7136e689cf4aSJeff Kirsher fsp->h_u.usr_ip4_spec.proto = 7137e689cf4aSJeff Kirsher (tp->key[2] & TCAM_V4KEY2_PROTO) >> 7138e689cf4aSJeff Kirsher TCAM_V4KEY2_PROTO_SHIFT; 7139e689cf4aSJeff Kirsher fsp->m_u.usr_ip4_spec.proto = 7140e689cf4aSJeff Kirsher (tp->key_mask[2] & TCAM_V4KEY2_PROTO) >> 7141e689cf4aSJeff Kirsher TCAM_V4KEY2_PROTO_SHIFT; 7142e689cf4aSJeff Kirsher 7143e689cf4aSJeff Kirsher fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 7144e689cf4aSJeff Kirsher break; 7145e689cf4aSJeff Kirsher default: 7146e689cf4aSJeff Kirsher break; 7147e689cf4aSJeff Kirsher } 7148e689cf4aSJeff Kirsher } 7149e689cf4aSJeff Kirsher 7150e689cf4aSJeff Kirsher static int niu_get_ethtool_tcam_entry(struct niu *np, 7151e689cf4aSJeff Kirsher struct ethtool_rxnfc *nfc) 7152e689cf4aSJeff Kirsher { 7153e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 7154e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 7155e689cf4aSJeff Kirsher struct ethtool_rx_flow_spec *fsp = &nfc->fs; 7156e689cf4aSJeff Kirsher u16 idx; 7157e689cf4aSJeff Kirsher u64 class; 7158e689cf4aSJeff Kirsher int ret = 0; 7159e689cf4aSJeff Kirsher 7160e689cf4aSJeff Kirsher idx = tcam_get_index(np, (u16)nfc->fs.location); 7161e689cf4aSJeff Kirsher 7162e689cf4aSJeff Kirsher tp = &parent->tcam[idx]; 7163e689cf4aSJeff Kirsher if (!tp->valid) { 7164e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: entry [%d] invalid for idx[%d]\n", 7165e689cf4aSJeff Kirsher parent->index, (u16)nfc->fs.location, idx); 7166e689cf4aSJeff Kirsher return -EINVAL; 7167e689cf4aSJeff Kirsher } 7168e689cf4aSJeff Kirsher 7169e689cf4aSJeff Kirsher /* fill the flow spec entry */ 7170e689cf4aSJeff Kirsher class = (tp->key[0] & TCAM_V4KEY0_CLASS_CODE) >> 7171e689cf4aSJeff Kirsher TCAM_V4KEY0_CLASS_CODE_SHIFT; 7172e689cf4aSJeff Kirsher ret = niu_class_to_ethflow(class, &fsp->flow_type); 7173e689cf4aSJeff Kirsher if (ret < 0) { 7174e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: niu_class_to_ethflow failed\n", 7175e689cf4aSJeff Kirsher parent->index); 7176e689cf4aSJeff Kirsher goto out; 7177e689cf4aSJeff Kirsher } 7178e689cf4aSJeff Kirsher 7179e689cf4aSJeff Kirsher if (fsp->flow_type == AH_V4_FLOW || fsp->flow_type == AH_V6_FLOW) { 7180e689cf4aSJeff Kirsher u32 proto = (tp->key[2] & TCAM_V4KEY2_PROTO) >> 7181e689cf4aSJeff Kirsher TCAM_V4KEY2_PROTO_SHIFT; 7182e689cf4aSJeff Kirsher if (proto == IPPROTO_ESP) { 7183e689cf4aSJeff Kirsher if (fsp->flow_type == AH_V4_FLOW) 7184e689cf4aSJeff Kirsher fsp->flow_type = ESP_V4_FLOW; 7185e689cf4aSJeff Kirsher else 7186e689cf4aSJeff Kirsher fsp->flow_type = ESP_V6_FLOW; 7187e689cf4aSJeff Kirsher } 7188e689cf4aSJeff Kirsher } 7189e689cf4aSJeff Kirsher 7190e689cf4aSJeff Kirsher switch (fsp->flow_type) { 7191e689cf4aSJeff Kirsher case TCP_V4_FLOW: 7192e689cf4aSJeff Kirsher case UDP_V4_FLOW: 7193e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7194e689cf4aSJeff Kirsher case AH_V4_FLOW: 7195e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7196e689cf4aSJeff Kirsher niu_get_ip4fs_from_tcam_key(tp, fsp); 7197e689cf4aSJeff Kirsher break; 7198e689cf4aSJeff Kirsher case TCP_V6_FLOW: 7199e689cf4aSJeff Kirsher case UDP_V6_FLOW: 7200e689cf4aSJeff Kirsher case SCTP_V6_FLOW: 7201e689cf4aSJeff Kirsher case AH_V6_FLOW: 7202e689cf4aSJeff Kirsher case ESP_V6_FLOW: 7203e689cf4aSJeff Kirsher /* Not yet implemented */ 7204e689cf4aSJeff Kirsher ret = -EINVAL; 7205e689cf4aSJeff Kirsher break; 7206e689cf4aSJeff Kirsher case IP_USER_FLOW: 7207e689cf4aSJeff Kirsher niu_get_ip4fs_from_tcam_key(tp, fsp); 7208e689cf4aSJeff Kirsher break; 7209e689cf4aSJeff Kirsher default: 7210e689cf4aSJeff Kirsher ret = -EINVAL; 7211e689cf4aSJeff Kirsher break; 7212e689cf4aSJeff Kirsher } 7213e689cf4aSJeff Kirsher 7214e689cf4aSJeff Kirsher if (ret < 0) 7215e689cf4aSJeff Kirsher goto out; 7216e689cf4aSJeff Kirsher 7217e689cf4aSJeff Kirsher if (tp->assoc_data & TCAM_ASSOCDATA_DISC) 7218e689cf4aSJeff Kirsher fsp->ring_cookie = RX_CLS_FLOW_DISC; 7219e689cf4aSJeff Kirsher else 7220e689cf4aSJeff Kirsher fsp->ring_cookie = (tp->assoc_data & TCAM_ASSOCDATA_OFFSET) >> 7221e689cf4aSJeff Kirsher TCAM_ASSOCDATA_OFFSET_SHIFT; 7222e689cf4aSJeff Kirsher 7223e689cf4aSJeff Kirsher /* put the tcam size here */ 7224e689cf4aSJeff Kirsher nfc->data = tcam_get_size(np); 7225e689cf4aSJeff Kirsher out: 7226e689cf4aSJeff Kirsher return ret; 7227e689cf4aSJeff Kirsher } 7228e689cf4aSJeff Kirsher 7229e689cf4aSJeff Kirsher static int niu_get_ethtool_tcam_all(struct niu *np, 7230e689cf4aSJeff Kirsher struct ethtool_rxnfc *nfc, 7231e689cf4aSJeff Kirsher u32 *rule_locs) 7232e689cf4aSJeff Kirsher { 7233e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 7234e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 7235e689cf4aSJeff Kirsher int i, idx, cnt; 7236e689cf4aSJeff Kirsher unsigned long flags; 7237e689cf4aSJeff Kirsher int ret = 0; 7238e689cf4aSJeff Kirsher 7239e689cf4aSJeff Kirsher /* put the tcam size here */ 7240e689cf4aSJeff Kirsher nfc->data = tcam_get_size(np); 7241e689cf4aSJeff Kirsher 7242e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7243e689cf4aSJeff Kirsher for (cnt = 0, i = 0; i < nfc->data; i++) { 7244e689cf4aSJeff Kirsher idx = tcam_get_index(np, i); 7245e689cf4aSJeff Kirsher tp = &parent->tcam[idx]; 7246e689cf4aSJeff Kirsher if (!tp->valid) 7247e689cf4aSJeff Kirsher continue; 7248e689cf4aSJeff Kirsher if (cnt == nfc->rule_cnt) { 7249e689cf4aSJeff Kirsher ret = -EMSGSIZE; 7250e689cf4aSJeff Kirsher break; 7251e689cf4aSJeff Kirsher } 7252e689cf4aSJeff Kirsher rule_locs[cnt] = i; 7253e689cf4aSJeff Kirsher cnt++; 7254e689cf4aSJeff Kirsher } 7255e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7256e689cf4aSJeff Kirsher 7257473e64eeSBen Hutchings nfc->rule_cnt = cnt; 7258473e64eeSBen Hutchings 7259e689cf4aSJeff Kirsher return ret; 7260e689cf4aSJeff Kirsher } 7261e689cf4aSJeff Kirsher 7262e689cf4aSJeff Kirsher static int niu_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 7263815c7db5SBen Hutchings u32 *rule_locs) 7264e689cf4aSJeff Kirsher { 7265e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7266e689cf4aSJeff Kirsher int ret = 0; 7267e689cf4aSJeff Kirsher 7268e689cf4aSJeff Kirsher switch (cmd->cmd) { 7269e689cf4aSJeff Kirsher case ETHTOOL_GRXFH: 7270e689cf4aSJeff Kirsher ret = niu_get_hash_opts(np, cmd); 7271e689cf4aSJeff Kirsher break; 7272e689cf4aSJeff Kirsher case ETHTOOL_GRXRINGS: 7273e689cf4aSJeff Kirsher cmd->data = np->num_rx_rings; 7274e689cf4aSJeff Kirsher break; 7275e689cf4aSJeff Kirsher case ETHTOOL_GRXCLSRLCNT: 7276e689cf4aSJeff Kirsher cmd->rule_cnt = tcam_get_valid_entry_cnt(np); 7277e689cf4aSJeff Kirsher break; 7278e689cf4aSJeff Kirsher case ETHTOOL_GRXCLSRULE: 7279e689cf4aSJeff Kirsher ret = niu_get_ethtool_tcam_entry(np, cmd); 7280e689cf4aSJeff Kirsher break; 7281e689cf4aSJeff Kirsher case ETHTOOL_GRXCLSRLALL: 7282815c7db5SBen Hutchings ret = niu_get_ethtool_tcam_all(np, cmd, rule_locs); 7283e689cf4aSJeff Kirsher break; 7284e689cf4aSJeff Kirsher default: 7285e689cf4aSJeff Kirsher ret = -EINVAL; 7286e689cf4aSJeff Kirsher break; 7287e689cf4aSJeff Kirsher } 7288e689cf4aSJeff Kirsher 7289e689cf4aSJeff Kirsher return ret; 7290e689cf4aSJeff Kirsher } 7291e689cf4aSJeff Kirsher 7292e689cf4aSJeff Kirsher static int niu_set_hash_opts(struct niu *np, struct ethtool_rxnfc *nfc) 7293e689cf4aSJeff Kirsher { 7294e689cf4aSJeff Kirsher u64 class; 7295e689cf4aSJeff Kirsher u64 flow_key = 0; 7296e689cf4aSJeff Kirsher unsigned long flags; 7297e689cf4aSJeff Kirsher 7298e689cf4aSJeff Kirsher if (!niu_ethflow_to_class(nfc->flow_type, &class)) 7299e689cf4aSJeff Kirsher return -EINVAL; 7300e689cf4aSJeff Kirsher 7301e689cf4aSJeff Kirsher if (class < CLASS_CODE_USER_PROG1 || 7302e689cf4aSJeff Kirsher class > CLASS_CODE_SCTP_IPV6) 7303e689cf4aSJeff Kirsher return -EINVAL; 7304e689cf4aSJeff Kirsher 7305e689cf4aSJeff Kirsher if (nfc->data & RXH_DISCARD) { 7306e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7307e689cf4aSJeff Kirsher flow_key = np->parent->tcam_key[class - 7308e689cf4aSJeff Kirsher CLASS_CODE_USER_PROG1]; 7309e689cf4aSJeff Kirsher flow_key |= TCAM_KEY_DISC; 7310e689cf4aSJeff Kirsher nw64(TCAM_KEY(class - CLASS_CODE_USER_PROG1), flow_key); 7311e689cf4aSJeff Kirsher np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] = flow_key; 7312e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7313e689cf4aSJeff Kirsher return 0; 7314e689cf4aSJeff Kirsher } else { 7315e689cf4aSJeff Kirsher /* Discard was set before, but is not set now */ 7316e689cf4aSJeff Kirsher if (np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] & 7317e689cf4aSJeff Kirsher TCAM_KEY_DISC) { 7318e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7319e689cf4aSJeff Kirsher flow_key = np->parent->tcam_key[class - 7320e689cf4aSJeff Kirsher CLASS_CODE_USER_PROG1]; 7321e689cf4aSJeff Kirsher flow_key &= ~TCAM_KEY_DISC; 7322e689cf4aSJeff Kirsher nw64(TCAM_KEY(class - CLASS_CODE_USER_PROG1), 7323e689cf4aSJeff Kirsher flow_key); 7324e689cf4aSJeff Kirsher np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] = 7325e689cf4aSJeff Kirsher flow_key; 7326e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7327e689cf4aSJeff Kirsher } 7328e689cf4aSJeff Kirsher } 7329e689cf4aSJeff Kirsher 7330e689cf4aSJeff Kirsher if (!niu_ethflow_to_flowkey(nfc->data, &flow_key)) 7331e689cf4aSJeff Kirsher return -EINVAL; 7332e689cf4aSJeff Kirsher 7333e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7334e689cf4aSJeff Kirsher nw64(FLOW_KEY(class - CLASS_CODE_USER_PROG1), flow_key); 7335e689cf4aSJeff Kirsher np->parent->flow_key[class - CLASS_CODE_USER_PROG1] = flow_key; 7336e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7337e689cf4aSJeff Kirsher 7338e689cf4aSJeff Kirsher return 0; 7339e689cf4aSJeff Kirsher } 7340e689cf4aSJeff Kirsher 7341e689cf4aSJeff Kirsher static void niu_get_tcamkey_from_ip4fs(struct ethtool_rx_flow_spec *fsp, 7342e689cf4aSJeff Kirsher struct niu_tcam_entry *tp, 7343e689cf4aSJeff Kirsher int l2_rdc_tab, u64 class) 7344e689cf4aSJeff Kirsher { 7345e689cf4aSJeff Kirsher u8 pid = 0; 7346e689cf4aSJeff Kirsher u32 sip, dip, sipm, dipm, spi, spim; 7347e689cf4aSJeff Kirsher u16 sport, dport, spm, dpm; 7348e689cf4aSJeff Kirsher 7349e689cf4aSJeff Kirsher sip = be32_to_cpu(fsp->h_u.tcp_ip4_spec.ip4src); 7350e689cf4aSJeff Kirsher sipm = be32_to_cpu(fsp->m_u.tcp_ip4_spec.ip4src); 7351e689cf4aSJeff Kirsher dip = be32_to_cpu(fsp->h_u.tcp_ip4_spec.ip4dst); 7352e689cf4aSJeff Kirsher dipm = be32_to_cpu(fsp->m_u.tcp_ip4_spec.ip4dst); 7353e689cf4aSJeff Kirsher 7354e689cf4aSJeff Kirsher tp->key[0] = class << TCAM_V4KEY0_CLASS_CODE_SHIFT; 7355e689cf4aSJeff Kirsher tp->key_mask[0] = TCAM_V4KEY0_CLASS_CODE; 7356e689cf4aSJeff Kirsher tp->key[1] = (u64)l2_rdc_tab << TCAM_V4KEY1_L2RDCNUM_SHIFT; 7357e689cf4aSJeff Kirsher tp->key_mask[1] = TCAM_V4KEY1_L2RDCNUM; 7358e689cf4aSJeff Kirsher 7359e689cf4aSJeff Kirsher tp->key[3] = (u64)sip << TCAM_V4KEY3_SADDR_SHIFT; 7360e689cf4aSJeff Kirsher tp->key[3] |= dip; 7361e689cf4aSJeff Kirsher 7362e689cf4aSJeff Kirsher tp->key_mask[3] = (u64)sipm << TCAM_V4KEY3_SADDR_SHIFT; 7363e689cf4aSJeff Kirsher tp->key_mask[3] |= dipm; 7364e689cf4aSJeff Kirsher 7365e689cf4aSJeff Kirsher tp->key[2] |= ((u64)fsp->h_u.tcp_ip4_spec.tos << 7366e689cf4aSJeff Kirsher TCAM_V4KEY2_TOS_SHIFT); 7367e689cf4aSJeff Kirsher tp->key_mask[2] |= ((u64)fsp->m_u.tcp_ip4_spec.tos << 7368e689cf4aSJeff Kirsher TCAM_V4KEY2_TOS_SHIFT); 7369e689cf4aSJeff Kirsher switch (fsp->flow_type) { 7370e689cf4aSJeff Kirsher case TCP_V4_FLOW: 7371e689cf4aSJeff Kirsher case UDP_V4_FLOW: 7372e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7373e689cf4aSJeff Kirsher sport = be16_to_cpu(fsp->h_u.tcp_ip4_spec.psrc); 7374e689cf4aSJeff Kirsher spm = be16_to_cpu(fsp->m_u.tcp_ip4_spec.psrc); 7375e689cf4aSJeff Kirsher dport = be16_to_cpu(fsp->h_u.tcp_ip4_spec.pdst); 7376e689cf4aSJeff Kirsher dpm = be16_to_cpu(fsp->m_u.tcp_ip4_spec.pdst); 7377e689cf4aSJeff Kirsher 7378e689cf4aSJeff Kirsher tp->key[2] |= (((u64)sport << 16) | dport); 7379e689cf4aSJeff Kirsher tp->key_mask[2] |= (((u64)spm << 16) | dpm); 7380e689cf4aSJeff Kirsher niu_ethflow_to_l3proto(fsp->flow_type, &pid); 7381e689cf4aSJeff Kirsher break; 7382e689cf4aSJeff Kirsher case AH_V4_FLOW: 7383e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7384e689cf4aSJeff Kirsher spi = be32_to_cpu(fsp->h_u.ah_ip4_spec.spi); 7385e689cf4aSJeff Kirsher spim = be32_to_cpu(fsp->m_u.ah_ip4_spec.spi); 7386e689cf4aSJeff Kirsher 7387e689cf4aSJeff Kirsher tp->key[2] |= spi; 7388e689cf4aSJeff Kirsher tp->key_mask[2] |= spim; 7389e689cf4aSJeff Kirsher niu_ethflow_to_l3proto(fsp->flow_type, &pid); 7390e689cf4aSJeff Kirsher break; 7391e689cf4aSJeff Kirsher case IP_USER_FLOW: 7392e689cf4aSJeff Kirsher spi = be32_to_cpu(fsp->h_u.usr_ip4_spec.l4_4_bytes); 7393e689cf4aSJeff Kirsher spim = be32_to_cpu(fsp->m_u.usr_ip4_spec.l4_4_bytes); 7394e689cf4aSJeff Kirsher 7395e689cf4aSJeff Kirsher tp->key[2] |= spi; 7396e689cf4aSJeff Kirsher tp->key_mask[2] |= spim; 7397e689cf4aSJeff Kirsher pid = fsp->h_u.usr_ip4_spec.proto; 7398e689cf4aSJeff Kirsher break; 7399e689cf4aSJeff Kirsher default: 7400e689cf4aSJeff Kirsher break; 7401e689cf4aSJeff Kirsher } 7402e689cf4aSJeff Kirsher 7403e689cf4aSJeff Kirsher tp->key[2] |= ((u64)pid << TCAM_V4KEY2_PROTO_SHIFT); 7404e689cf4aSJeff Kirsher if (pid) { 7405e689cf4aSJeff Kirsher tp->key_mask[2] |= TCAM_V4KEY2_PROTO; 7406e689cf4aSJeff Kirsher } 7407e689cf4aSJeff Kirsher } 7408e689cf4aSJeff Kirsher 7409e689cf4aSJeff Kirsher static int niu_add_ethtool_tcam_entry(struct niu *np, 7410e689cf4aSJeff Kirsher struct ethtool_rxnfc *nfc) 7411e689cf4aSJeff Kirsher { 7412e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 7413e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 7414e689cf4aSJeff Kirsher struct ethtool_rx_flow_spec *fsp = &nfc->fs; 7415e689cf4aSJeff Kirsher struct niu_rdc_tables *rdc_table = &parent->rdc_group_cfg[np->port]; 7416e689cf4aSJeff Kirsher int l2_rdc_table = rdc_table->first_table_num; 7417e689cf4aSJeff Kirsher u16 idx; 7418e689cf4aSJeff Kirsher u64 class; 7419e689cf4aSJeff Kirsher unsigned long flags; 7420e689cf4aSJeff Kirsher int err, ret; 7421e689cf4aSJeff Kirsher 7422e689cf4aSJeff Kirsher ret = 0; 7423e689cf4aSJeff Kirsher 7424e689cf4aSJeff Kirsher idx = nfc->fs.location; 7425e689cf4aSJeff Kirsher if (idx >= tcam_get_size(np)) 7426e689cf4aSJeff Kirsher return -EINVAL; 7427e689cf4aSJeff Kirsher 7428e689cf4aSJeff Kirsher if (fsp->flow_type == IP_USER_FLOW) { 7429e689cf4aSJeff Kirsher int i; 7430e689cf4aSJeff Kirsher int add_usr_cls = 0; 7431e689cf4aSJeff Kirsher struct ethtool_usrip4_spec *uspec = &fsp->h_u.usr_ip4_spec; 7432e689cf4aSJeff Kirsher struct ethtool_usrip4_spec *umask = &fsp->m_u.usr_ip4_spec; 7433e689cf4aSJeff Kirsher 7434e689cf4aSJeff Kirsher if (uspec->ip_ver != ETH_RX_NFC_IP4) 7435e689cf4aSJeff Kirsher return -EINVAL; 7436e689cf4aSJeff Kirsher 7437e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7438e689cf4aSJeff Kirsher 7439e689cf4aSJeff Kirsher for (i = 0; i < NIU_L3_PROG_CLS; i++) { 7440e689cf4aSJeff Kirsher if (parent->l3_cls[i]) { 7441e689cf4aSJeff Kirsher if (uspec->proto == parent->l3_cls_pid[i]) { 7442e689cf4aSJeff Kirsher class = parent->l3_cls[i]; 7443e689cf4aSJeff Kirsher parent->l3_cls_refcnt[i]++; 7444e689cf4aSJeff Kirsher add_usr_cls = 1; 7445e689cf4aSJeff Kirsher break; 7446e689cf4aSJeff Kirsher } 7447e689cf4aSJeff Kirsher } else { 7448e689cf4aSJeff Kirsher /* Program new user IP class */ 7449e689cf4aSJeff Kirsher switch (i) { 7450e689cf4aSJeff Kirsher case 0: 7451e689cf4aSJeff Kirsher class = CLASS_CODE_USER_PROG1; 7452e689cf4aSJeff Kirsher break; 7453e689cf4aSJeff Kirsher case 1: 7454e689cf4aSJeff Kirsher class = CLASS_CODE_USER_PROG2; 7455e689cf4aSJeff Kirsher break; 7456e689cf4aSJeff Kirsher case 2: 7457e689cf4aSJeff Kirsher class = CLASS_CODE_USER_PROG3; 7458e689cf4aSJeff Kirsher break; 7459e689cf4aSJeff Kirsher case 3: 7460e689cf4aSJeff Kirsher class = CLASS_CODE_USER_PROG4; 7461e689cf4aSJeff Kirsher break; 7462e689cf4aSJeff Kirsher default: 746309073525SNathan Chancellor class = CLASS_CODE_UNRECOG; 7464e689cf4aSJeff Kirsher break; 7465e689cf4aSJeff Kirsher } 7466e689cf4aSJeff Kirsher ret = tcam_user_ip_class_set(np, class, 0, 7467e689cf4aSJeff Kirsher uspec->proto, 7468e689cf4aSJeff Kirsher uspec->tos, 7469e689cf4aSJeff Kirsher umask->tos); 7470e689cf4aSJeff Kirsher if (ret) 7471e689cf4aSJeff Kirsher goto out; 7472e689cf4aSJeff Kirsher 7473e689cf4aSJeff Kirsher ret = tcam_user_ip_class_enable(np, class, 1); 7474e689cf4aSJeff Kirsher if (ret) 7475e689cf4aSJeff Kirsher goto out; 7476e689cf4aSJeff Kirsher parent->l3_cls[i] = class; 7477e689cf4aSJeff Kirsher parent->l3_cls_pid[i] = uspec->proto; 7478e689cf4aSJeff Kirsher parent->l3_cls_refcnt[i]++; 7479e689cf4aSJeff Kirsher add_usr_cls = 1; 7480e689cf4aSJeff Kirsher break; 7481e689cf4aSJeff Kirsher } 7482e689cf4aSJeff Kirsher } 7483e689cf4aSJeff Kirsher if (!add_usr_cls) { 7484e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: %s(): Could not find/insert class for pid %d\n", 7485e689cf4aSJeff Kirsher parent->index, __func__, uspec->proto); 7486e689cf4aSJeff Kirsher ret = -EINVAL; 7487e689cf4aSJeff Kirsher goto out; 7488e689cf4aSJeff Kirsher } 7489e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7490e689cf4aSJeff Kirsher } else { 7491e689cf4aSJeff Kirsher if (!niu_ethflow_to_class(fsp->flow_type, &class)) { 7492e689cf4aSJeff Kirsher return -EINVAL; 7493e689cf4aSJeff Kirsher } 7494e689cf4aSJeff Kirsher } 7495e689cf4aSJeff Kirsher 7496e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7497e689cf4aSJeff Kirsher 7498e689cf4aSJeff Kirsher idx = tcam_get_index(np, idx); 7499e689cf4aSJeff Kirsher tp = &parent->tcam[idx]; 7500e689cf4aSJeff Kirsher 7501e689cf4aSJeff Kirsher memset(tp, 0, sizeof(*tp)); 7502e689cf4aSJeff Kirsher 7503e689cf4aSJeff Kirsher /* fill in the tcam key and mask */ 7504e689cf4aSJeff Kirsher switch (fsp->flow_type) { 7505e689cf4aSJeff Kirsher case TCP_V4_FLOW: 7506e689cf4aSJeff Kirsher case UDP_V4_FLOW: 7507e689cf4aSJeff Kirsher case SCTP_V4_FLOW: 7508e689cf4aSJeff Kirsher case AH_V4_FLOW: 7509e689cf4aSJeff Kirsher case ESP_V4_FLOW: 7510e689cf4aSJeff Kirsher niu_get_tcamkey_from_ip4fs(fsp, tp, l2_rdc_table, class); 7511e689cf4aSJeff Kirsher break; 7512e689cf4aSJeff Kirsher case TCP_V6_FLOW: 7513e689cf4aSJeff Kirsher case UDP_V6_FLOW: 7514e689cf4aSJeff Kirsher case SCTP_V6_FLOW: 7515e689cf4aSJeff Kirsher case AH_V6_FLOW: 7516e689cf4aSJeff Kirsher case ESP_V6_FLOW: 7517e689cf4aSJeff Kirsher /* Not yet implemented */ 7518e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: In %s(): flow %d for IPv6 not implemented\n", 7519e689cf4aSJeff Kirsher parent->index, __func__, fsp->flow_type); 7520e689cf4aSJeff Kirsher ret = -EINVAL; 7521e689cf4aSJeff Kirsher goto out; 7522e689cf4aSJeff Kirsher case IP_USER_FLOW: 7523e689cf4aSJeff Kirsher niu_get_tcamkey_from_ip4fs(fsp, tp, l2_rdc_table, class); 7524e689cf4aSJeff Kirsher break; 7525e689cf4aSJeff Kirsher default: 7526e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: In %s(): Unknown flow type %d\n", 7527e689cf4aSJeff Kirsher parent->index, __func__, fsp->flow_type); 7528e689cf4aSJeff Kirsher ret = -EINVAL; 7529e689cf4aSJeff Kirsher goto out; 7530e689cf4aSJeff Kirsher } 7531e689cf4aSJeff Kirsher 7532e689cf4aSJeff Kirsher /* fill in the assoc data */ 7533e689cf4aSJeff Kirsher if (fsp->ring_cookie == RX_CLS_FLOW_DISC) { 7534e689cf4aSJeff Kirsher tp->assoc_data = TCAM_ASSOCDATA_DISC; 7535e689cf4aSJeff Kirsher } else { 7536e689cf4aSJeff Kirsher if (fsp->ring_cookie >= np->num_rx_rings) { 7537e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: In %s(): Invalid RX ring %lld\n", 7538e689cf4aSJeff Kirsher parent->index, __func__, 7539e689cf4aSJeff Kirsher (long long)fsp->ring_cookie); 7540e689cf4aSJeff Kirsher ret = -EINVAL; 7541e689cf4aSJeff Kirsher goto out; 7542e689cf4aSJeff Kirsher } 7543e689cf4aSJeff Kirsher tp->assoc_data = (TCAM_ASSOCDATA_TRES_USE_OFFSET | 7544e689cf4aSJeff Kirsher (fsp->ring_cookie << 7545e689cf4aSJeff Kirsher TCAM_ASSOCDATA_OFFSET_SHIFT)); 7546e689cf4aSJeff Kirsher } 7547e689cf4aSJeff Kirsher 7548e689cf4aSJeff Kirsher err = tcam_write(np, idx, tp->key, tp->key_mask); 7549e689cf4aSJeff Kirsher if (err) { 7550e689cf4aSJeff Kirsher ret = -EINVAL; 7551e689cf4aSJeff Kirsher goto out; 7552e689cf4aSJeff Kirsher } 7553e689cf4aSJeff Kirsher err = tcam_assoc_write(np, idx, tp->assoc_data); 7554e689cf4aSJeff Kirsher if (err) { 7555e689cf4aSJeff Kirsher ret = -EINVAL; 7556e689cf4aSJeff Kirsher goto out; 7557e689cf4aSJeff Kirsher } 7558e689cf4aSJeff Kirsher 7559e689cf4aSJeff Kirsher /* validate the entry */ 7560e689cf4aSJeff Kirsher tp->valid = 1; 7561e689cf4aSJeff Kirsher np->clas.tcam_valid_entries++; 7562e689cf4aSJeff Kirsher out: 7563e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7564e689cf4aSJeff Kirsher 7565e689cf4aSJeff Kirsher return ret; 7566e689cf4aSJeff Kirsher } 7567e689cf4aSJeff Kirsher 7568e689cf4aSJeff Kirsher static int niu_del_ethtool_tcam_entry(struct niu *np, u32 loc) 7569e689cf4aSJeff Kirsher { 7570e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 7571e689cf4aSJeff Kirsher struct niu_tcam_entry *tp; 7572e689cf4aSJeff Kirsher u16 idx; 7573e689cf4aSJeff Kirsher unsigned long flags; 7574e689cf4aSJeff Kirsher u64 class; 7575e689cf4aSJeff Kirsher int ret = 0; 7576e689cf4aSJeff Kirsher 7577e689cf4aSJeff Kirsher if (loc >= tcam_get_size(np)) 7578e689cf4aSJeff Kirsher return -EINVAL; 7579e689cf4aSJeff Kirsher 7580e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 7581e689cf4aSJeff Kirsher 7582e689cf4aSJeff Kirsher idx = tcam_get_index(np, loc); 7583e689cf4aSJeff Kirsher tp = &parent->tcam[idx]; 7584e689cf4aSJeff Kirsher 7585e689cf4aSJeff Kirsher /* if the entry is of a user defined class, then update*/ 7586e689cf4aSJeff Kirsher class = (tp->key[0] & TCAM_V4KEY0_CLASS_CODE) >> 7587e689cf4aSJeff Kirsher TCAM_V4KEY0_CLASS_CODE_SHIFT; 7588e689cf4aSJeff Kirsher 7589e689cf4aSJeff Kirsher if (class >= CLASS_CODE_USER_PROG1 && class <= CLASS_CODE_USER_PROG4) { 7590e689cf4aSJeff Kirsher int i; 7591e689cf4aSJeff Kirsher for (i = 0; i < NIU_L3_PROG_CLS; i++) { 7592e689cf4aSJeff Kirsher if (parent->l3_cls[i] == class) { 7593e689cf4aSJeff Kirsher parent->l3_cls_refcnt[i]--; 7594e689cf4aSJeff Kirsher if (!parent->l3_cls_refcnt[i]) { 7595e689cf4aSJeff Kirsher /* disable class */ 7596e689cf4aSJeff Kirsher ret = tcam_user_ip_class_enable(np, 7597e689cf4aSJeff Kirsher class, 7598e689cf4aSJeff Kirsher 0); 7599e689cf4aSJeff Kirsher if (ret) 7600e689cf4aSJeff Kirsher goto out; 7601e689cf4aSJeff Kirsher parent->l3_cls[i] = 0; 7602e689cf4aSJeff Kirsher parent->l3_cls_pid[i] = 0; 7603e689cf4aSJeff Kirsher } 7604e689cf4aSJeff Kirsher break; 7605e689cf4aSJeff Kirsher } 7606e689cf4aSJeff Kirsher } 7607e689cf4aSJeff Kirsher if (i == NIU_L3_PROG_CLS) { 7608e689cf4aSJeff Kirsher netdev_info(np->dev, "niu%d: In %s(): Usr class 0x%llx not found\n", 7609e689cf4aSJeff Kirsher parent->index, __func__, 7610e689cf4aSJeff Kirsher (unsigned long long)class); 7611e689cf4aSJeff Kirsher ret = -EINVAL; 7612e689cf4aSJeff Kirsher goto out; 7613e689cf4aSJeff Kirsher } 7614e689cf4aSJeff Kirsher } 7615e689cf4aSJeff Kirsher 7616e689cf4aSJeff Kirsher ret = tcam_flush(np, idx); 7617e689cf4aSJeff Kirsher if (ret) 7618e689cf4aSJeff Kirsher goto out; 7619e689cf4aSJeff Kirsher 7620e689cf4aSJeff Kirsher /* invalidate the entry */ 7621e689cf4aSJeff Kirsher tp->valid = 0; 7622e689cf4aSJeff Kirsher np->clas.tcam_valid_entries--; 7623e689cf4aSJeff Kirsher out: 7624e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 7625e689cf4aSJeff Kirsher 7626e689cf4aSJeff Kirsher return ret; 7627e689cf4aSJeff Kirsher } 7628e689cf4aSJeff Kirsher 7629e689cf4aSJeff Kirsher static int niu_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 7630e689cf4aSJeff Kirsher { 7631e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7632e689cf4aSJeff Kirsher int ret = 0; 7633e689cf4aSJeff Kirsher 7634e689cf4aSJeff Kirsher switch (cmd->cmd) { 7635e689cf4aSJeff Kirsher case ETHTOOL_SRXFH: 7636e689cf4aSJeff Kirsher ret = niu_set_hash_opts(np, cmd); 7637e689cf4aSJeff Kirsher break; 7638e689cf4aSJeff Kirsher case ETHTOOL_SRXCLSRLINS: 7639e689cf4aSJeff Kirsher ret = niu_add_ethtool_tcam_entry(np, cmd); 7640e689cf4aSJeff Kirsher break; 7641e689cf4aSJeff Kirsher case ETHTOOL_SRXCLSRLDEL: 7642e689cf4aSJeff Kirsher ret = niu_del_ethtool_tcam_entry(np, cmd->fs.location); 7643e689cf4aSJeff Kirsher break; 7644e689cf4aSJeff Kirsher default: 7645e689cf4aSJeff Kirsher ret = -EINVAL; 7646e689cf4aSJeff Kirsher break; 7647e689cf4aSJeff Kirsher } 7648e689cf4aSJeff Kirsher 7649e689cf4aSJeff Kirsher return ret; 7650e689cf4aSJeff Kirsher } 7651e689cf4aSJeff Kirsher 7652e689cf4aSJeff Kirsher static const struct { 7653e689cf4aSJeff Kirsher const char string[ETH_GSTRING_LEN]; 7654e689cf4aSJeff Kirsher } niu_xmac_stat_keys[] = { 7655e689cf4aSJeff Kirsher { "tx_frames" }, 7656e689cf4aSJeff Kirsher { "tx_bytes" }, 7657e689cf4aSJeff Kirsher { "tx_fifo_errors" }, 7658e689cf4aSJeff Kirsher { "tx_overflow_errors" }, 7659e689cf4aSJeff Kirsher { "tx_max_pkt_size_errors" }, 7660e689cf4aSJeff Kirsher { "tx_underflow_errors" }, 7661e689cf4aSJeff Kirsher { "rx_local_faults" }, 7662e689cf4aSJeff Kirsher { "rx_remote_faults" }, 7663e689cf4aSJeff Kirsher { "rx_link_faults" }, 7664e689cf4aSJeff Kirsher { "rx_align_errors" }, 7665e689cf4aSJeff Kirsher { "rx_frags" }, 7666e689cf4aSJeff Kirsher { "rx_mcasts" }, 7667e689cf4aSJeff Kirsher { "rx_bcasts" }, 7668e689cf4aSJeff Kirsher { "rx_hist_cnt1" }, 7669e689cf4aSJeff Kirsher { "rx_hist_cnt2" }, 7670e689cf4aSJeff Kirsher { "rx_hist_cnt3" }, 7671e689cf4aSJeff Kirsher { "rx_hist_cnt4" }, 7672e689cf4aSJeff Kirsher { "rx_hist_cnt5" }, 7673e689cf4aSJeff Kirsher { "rx_hist_cnt6" }, 7674e689cf4aSJeff Kirsher { "rx_hist_cnt7" }, 7675e689cf4aSJeff Kirsher { "rx_octets" }, 7676e689cf4aSJeff Kirsher { "rx_code_violations" }, 7677e689cf4aSJeff Kirsher { "rx_len_errors" }, 7678e689cf4aSJeff Kirsher { "rx_crc_errors" }, 7679e689cf4aSJeff Kirsher { "rx_underflows" }, 7680e689cf4aSJeff Kirsher { "rx_overflows" }, 7681e689cf4aSJeff Kirsher { "pause_off_state" }, 7682e689cf4aSJeff Kirsher { "pause_on_state" }, 7683e689cf4aSJeff Kirsher { "pause_received" }, 7684e689cf4aSJeff Kirsher }; 7685e689cf4aSJeff Kirsher 7686e689cf4aSJeff Kirsher #define NUM_XMAC_STAT_KEYS ARRAY_SIZE(niu_xmac_stat_keys) 7687e689cf4aSJeff Kirsher 7688e689cf4aSJeff Kirsher static const struct { 7689e689cf4aSJeff Kirsher const char string[ETH_GSTRING_LEN]; 7690e689cf4aSJeff Kirsher } niu_bmac_stat_keys[] = { 7691e689cf4aSJeff Kirsher { "tx_underflow_errors" }, 7692e689cf4aSJeff Kirsher { "tx_max_pkt_size_errors" }, 7693e689cf4aSJeff Kirsher { "tx_bytes" }, 7694e689cf4aSJeff Kirsher { "tx_frames" }, 7695e689cf4aSJeff Kirsher { "rx_overflows" }, 7696e689cf4aSJeff Kirsher { "rx_frames" }, 7697e689cf4aSJeff Kirsher { "rx_align_errors" }, 7698e689cf4aSJeff Kirsher { "rx_crc_errors" }, 7699e689cf4aSJeff Kirsher { "rx_len_errors" }, 7700e689cf4aSJeff Kirsher { "pause_off_state" }, 7701e689cf4aSJeff Kirsher { "pause_on_state" }, 7702e689cf4aSJeff Kirsher { "pause_received" }, 7703e689cf4aSJeff Kirsher }; 7704e689cf4aSJeff Kirsher 7705e689cf4aSJeff Kirsher #define NUM_BMAC_STAT_KEYS ARRAY_SIZE(niu_bmac_stat_keys) 7706e689cf4aSJeff Kirsher 7707e689cf4aSJeff Kirsher static const struct { 7708e689cf4aSJeff Kirsher const char string[ETH_GSTRING_LEN]; 7709e689cf4aSJeff Kirsher } niu_rxchan_stat_keys[] = { 7710e689cf4aSJeff Kirsher { "rx_channel" }, 7711e689cf4aSJeff Kirsher { "rx_packets" }, 7712e689cf4aSJeff Kirsher { "rx_bytes" }, 7713e689cf4aSJeff Kirsher { "rx_dropped" }, 7714e689cf4aSJeff Kirsher { "rx_errors" }, 7715e689cf4aSJeff Kirsher }; 7716e689cf4aSJeff Kirsher 7717e689cf4aSJeff Kirsher #define NUM_RXCHAN_STAT_KEYS ARRAY_SIZE(niu_rxchan_stat_keys) 7718e689cf4aSJeff Kirsher 7719e689cf4aSJeff Kirsher static const struct { 7720e689cf4aSJeff Kirsher const char string[ETH_GSTRING_LEN]; 7721e689cf4aSJeff Kirsher } niu_txchan_stat_keys[] = { 7722e689cf4aSJeff Kirsher { "tx_channel" }, 7723e689cf4aSJeff Kirsher { "tx_packets" }, 7724e689cf4aSJeff Kirsher { "tx_bytes" }, 7725e689cf4aSJeff Kirsher { "tx_errors" }, 7726e689cf4aSJeff Kirsher }; 7727e689cf4aSJeff Kirsher 7728e689cf4aSJeff Kirsher #define NUM_TXCHAN_STAT_KEYS ARRAY_SIZE(niu_txchan_stat_keys) 7729e689cf4aSJeff Kirsher 7730e689cf4aSJeff Kirsher static void niu_get_strings(struct net_device *dev, u32 stringset, u8 *data) 7731e689cf4aSJeff Kirsher { 7732e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7733e689cf4aSJeff Kirsher int i; 7734e689cf4aSJeff Kirsher 7735e689cf4aSJeff Kirsher if (stringset != ETH_SS_STATS) 7736e689cf4aSJeff Kirsher return; 7737e689cf4aSJeff Kirsher 7738e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 7739e689cf4aSJeff Kirsher memcpy(data, niu_xmac_stat_keys, 7740e689cf4aSJeff Kirsher sizeof(niu_xmac_stat_keys)); 7741e689cf4aSJeff Kirsher data += sizeof(niu_xmac_stat_keys); 7742e689cf4aSJeff Kirsher } else { 7743e689cf4aSJeff Kirsher memcpy(data, niu_bmac_stat_keys, 7744e689cf4aSJeff Kirsher sizeof(niu_bmac_stat_keys)); 7745e689cf4aSJeff Kirsher data += sizeof(niu_bmac_stat_keys); 7746e689cf4aSJeff Kirsher } 7747e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 7748e689cf4aSJeff Kirsher memcpy(data, niu_rxchan_stat_keys, 7749e689cf4aSJeff Kirsher sizeof(niu_rxchan_stat_keys)); 7750e689cf4aSJeff Kirsher data += sizeof(niu_rxchan_stat_keys); 7751e689cf4aSJeff Kirsher } 7752e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 7753e689cf4aSJeff Kirsher memcpy(data, niu_txchan_stat_keys, 7754e689cf4aSJeff Kirsher sizeof(niu_txchan_stat_keys)); 7755e689cf4aSJeff Kirsher data += sizeof(niu_txchan_stat_keys); 7756e689cf4aSJeff Kirsher } 7757e689cf4aSJeff Kirsher } 7758e689cf4aSJeff Kirsher 7759e689cf4aSJeff Kirsher static int niu_get_sset_count(struct net_device *dev, int stringset) 7760e689cf4aSJeff Kirsher { 7761e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7762e689cf4aSJeff Kirsher 7763e689cf4aSJeff Kirsher if (stringset != ETH_SS_STATS) 7764e689cf4aSJeff Kirsher return -EINVAL; 7765e689cf4aSJeff Kirsher 7766e689cf4aSJeff Kirsher return (np->flags & NIU_FLAGS_XMAC ? 7767e689cf4aSJeff Kirsher NUM_XMAC_STAT_KEYS : 7768e689cf4aSJeff Kirsher NUM_BMAC_STAT_KEYS) + 7769e689cf4aSJeff Kirsher (np->num_rx_rings * NUM_RXCHAN_STAT_KEYS) + 7770e689cf4aSJeff Kirsher (np->num_tx_rings * NUM_TXCHAN_STAT_KEYS); 7771e689cf4aSJeff Kirsher } 7772e689cf4aSJeff Kirsher 7773e689cf4aSJeff Kirsher static void niu_get_ethtool_stats(struct net_device *dev, 7774e689cf4aSJeff Kirsher struct ethtool_stats *stats, u64 *data) 7775e689cf4aSJeff Kirsher { 7776e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7777e689cf4aSJeff Kirsher int i; 7778e689cf4aSJeff Kirsher 7779e689cf4aSJeff Kirsher niu_sync_mac_stats(np); 7780e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 7781e689cf4aSJeff Kirsher memcpy(data, &np->mac_stats.xmac, 7782e689cf4aSJeff Kirsher sizeof(struct niu_xmac_stats)); 7783e689cf4aSJeff Kirsher data += (sizeof(struct niu_xmac_stats) / sizeof(u64)); 7784e689cf4aSJeff Kirsher } else { 7785e689cf4aSJeff Kirsher memcpy(data, &np->mac_stats.bmac, 7786e689cf4aSJeff Kirsher sizeof(struct niu_bmac_stats)); 7787e689cf4aSJeff Kirsher data += (sizeof(struct niu_bmac_stats) / sizeof(u64)); 7788e689cf4aSJeff Kirsher } 7789e689cf4aSJeff Kirsher for (i = 0; i < np->num_rx_rings; i++) { 7790e689cf4aSJeff Kirsher struct rx_ring_info *rp = &np->rx_rings[i]; 7791e689cf4aSJeff Kirsher 7792e689cf4aSJeff Kirsher niu_sync_rx_discard_stats(np, rp, 0); 7793e689cf4aSJeff Kirsher 7794e689cf4aSJeff Kirsher data[0] = rp->rx_channel; 7795e689cf4aSJeff Kirsher data[1] = rp->rx_packets; 7796e689cf4aSJeff Kirsher data[2] = rp->rx_bytes; 7797e689cf4aSJeff Kirsher data[3] = rp->rx_dropped; 7798e689cf4aSJeff Kirsher data[4] = rp->rx_errors; 7799e689cf4aSJeff Kirsher data += 5; 7800e689cf4aSJeff Kirsher } 7801e689cf4aSJeff Kirsher for (i = 0; i < np->num_tx_rings; i++) { 7802e689cf4aSJeff Kirsher struct tx_ring_info *rp = &np->tx_rings[i]; 7803e689cf4aSJeff Kirsher 7804e689cf4aSJeff Kirsher data[0] = rp->tx_channel; 7805e689cf4aSJeff Kirsher data[1] = rp->tx_packets; 7806e689cf4aSJeff Kirsher data[2] = rp->tx_bytes; 7807e689cf4aSJeff Kirsher data[3] = rp->tx_errors; 7808e689cf4aSJeff Kirsher data += 4; 7809e689cf4aSJeff Kirsher } 7810e689cf4aSJeff Kirsher } 7811e689cf4aSJeff Kirsher 7812e689cf4aSJeff Kirsher static u64 niu_led_state_save(struct niu *np) 7813e689cf4aSJeff Kirsher { 7814e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 7815e689cf4aSJeff Kirsher return nr64_mac(XMAC_CONFIG); 7816e689cf4aSJeff Kirsher else 7817e689cf4aSJeff Kirsher return nr64_mac(BMAC_XIF_CONFIG); 7818e689cf4aSJeff Kirsher } 7819e689cf4aSJeff Kirsher 7820e689cf4aSJeff Kirsher static void niu_led_state_restore(struct niu *np, u64 val) 7821e689cf4aSJeff Kirsher { 7822e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) 7823e689cf4aSJeff Kirsher nw64_mac(XMAC_CONFIG, val); 7824e689cf4aSJeff Kirsher else 7825e689cf4aSJeff Kirsher nw64_mac(BMAC_XIF_CONFIG, val); 7826e689cf4aSJeff Kirsher } 7827e689cf4aSJeff Kirsher 7828e689cf4aSJeff Kirsher static void niu_force_led(struct niu *np, int on) 7829e689cf4aSJeff Kirsher { 7830e689cf4aSJeff Kirsher u64 val, reg, bit; 7831e689cf4aSJeff Kirsher 7832e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_XMAC) { 7833e689cf4aSJeff Kirsher reg = XMAC_CONFIG; 7834e689cf4aSJeff Kirsher bit = XMAC_CONFIG_FORCE_LED_ON; 7835e689cf4aSJeff Kirsher } else { 7836e689cf4aSJeff Kirsher reg = BMAC_XIF_CONFIG; 7837e689cf4aSJeff Kirsher bit = BMAC_XIF_CONFIG_LINK_LED; 7838e689cf4aSJeff Kirsher } 7839e689cf4aSJeff Kirsher 7840e689cf4aSJeff Kirsher val = nr64_mac(reg); 7841e689cf4aSJeff Kirsher if (on) 7842e689cf4aSJeff Kirsher val |= bit; 7843e689cf4aSJeff Kirsher else 7844e689cf4aSJeff Kirsher val &= ~bit; 7845e689cf4aSJeff Kirsher nw64_mac(reg, val); 7846e689cf4aSJeff Kirsher } 7847e689cf4aSJeff Kirsher 7848e689cf4aSJeff Kirsher static int niu_set_phys_id(struct net_device *dev, 7849e689cf4aSJeff Kirsher enum ethtool_phys_id_state state) 7850e689cf4aSJeff Kirsher 7851e689cf4aSJeff Kirsher { 7852e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 7853e689cf4aSJeff Kirsher 7854e689cf4aSJeff Kirsher if (!netif_running(dev)) 7855e689cf4aSJeff Kirsher return -EAGAIN; 7856e689cf4aSJeff Kirsher 7857e689cf4aSJeff Kirsher switch (state) { 7858e689cf4aSJeff Kirsher case ETHTOOL_ID_ACTIVE: 7859e689cf4aSJeff Kirsher np->orig_led_state = niu_led_state_save(np); 7860e689cf4aSJeff Kirsher return 1; /* cycle on/off once per second */ 7861e689cf4aSJeff Kirsher 7862e689cf4aSJeff Kirsher case ETHTOOL_ID_ON: 7863e689cf4aSJeff Kirsher niu_force_led(np, 1); 7864e689cf4aSJeff Kirsher break; 7865e689cf4aSJeff Kirsher 7866e689cf4aSJeff Kirsher case ETHTOOL_ID_OFF: 7867e689cf4aSJeff Kirsher niu_force_led(np, 0); 7868e689cf4aSJeff Kirsher break; 7869e689cf4aSJeff Kirsher 7870e689cf4aSJeff Kirsher case ETHTOOL_ID_INACTIVE: 7871e689cf4aSJeff Kirsher niu_led_state_restore(np, np->orig_led_state); 7872e689cf4aSJeff Kirsher } 7873e689cf4aSJeff Kirsher 7874e689cf4aSJeff Kirsher return 0; 7875e689cf4aSJeff Kirsher } 7876e689cf4aSJeff Kirsher 7877e689cf4aSJeff Kirsher static const struct ethtool_ops niu_ethtool_ops = { 7878e689cf4aSJeff Kirsher .get_drvinfo = niu_get_drvinfo, 7879e689cf4aSJeff Kirsher .get_link = ethtool_op_get_link, 7880e689cf4aSJeff Kirsher .get_msglevel = niu_get_msglevel, 7881e689cf4aSJeff Kirsher .set_msglevel = niu_set_msglevel, 7882e689cf4aSJeff Kirsher .nway_reset = niu_nway_reset, 7883e689cf4aSJeff Kirsher .get_eeprom_len = niu_get_eeprom_len, 7884e689cf4aSJeff Kirsher .get_eeprom = niu_get_eeprom, 7885e689cf4aSJeff Kirsher .get_strings = niu_get_strings, 7886e689cf4aSJeff Kirsher .get_sset_count = niu_get_sset_count, 7887e689cf4aSJeff Kirsher .get_ethtool_stats = niu_get_ethtool_stats, 7888e689cf4aSJeff Kirsher .set_phys_id = niu_set_phys_id, 7889e689cf4aSJeff Kirsher .get_rxnfc = niu_get_nfc, 7890e689cf4aSJeff Kirsher .set_rxnfc = niu_set_nfc, 7891d9722531SPhilippe Reynes .get_link_ksettings = niu_get_link_ksettings, 7892d9722531SPhilippe Reynes .set_link_ksettings = niu_set_link_ksettings, 7893e689cf4aSJeff Kirsher }; 7894e689cf4aSJeff Kirsher 7895e689cf4aSJeff Kirsher static int niu_ldg_assign_ldn(struct niu *np, struct niu_parent *parent, 7896e689cf4aSJeff Kirsher int ldg, int ldn) 7897e689cf4aSJeff Kirsher { 7898e689cf4aSJeff Kirsher if (ldg < NIU_LDG_MIN || ldg > NIU_LDG_MAX) 7899e689cf4aSJeff Kirsher return -EINVAL; 7900e689cf4aSJeff Kirsher if (ldn < 0 || ldn > LDN_MAX) 7901e689cf4aSJeff Kirsher return -EINVAL; 7902e689cf4aSJeff Kirsher 7903e689cf4aSJeff Kirsher parent->ldg_map[ldn] = ldg; 7904e689cf4aSJeff Kirsher 7905e689cf4aSJeff Kirsher if (np->parent->plat_type == PLAT_TYPE_NIU) { 7906e689cf4aSJeff Kirsher /* On N2 NIU, the ldn-->ldg assignments are setup and fixed by 7907e689cf4aSJeff Kirsher * the firmware, and we're not supposed to change them. 7908e689cf4aSJeff Kirsher * Validate the mapping, because if it's wrong we probably 7909e689cf4aSJeff Kirsher * won't get any interrupts and that's painful to debug. 7910e689cf4aSJeff Kirsher */ 7911e689cf4aSJeff Kirsher if (nr64(LDG_NUM(ldn)) != ldg) { 7912e689cf4aSJeff Kirsher dev_err(np->device, "Port %u, mis-matched LDG assignment for ldn %d, should be %d is %llu\n", 7913e689cf4aSJeff Kirsher np->port, ldn, ldg, 7914e689cf4aSJeff Kirsher (unsigned long long) nr64(LDG_NUM(ldn))); 7915e689cf4aSJeff Kirsher return -EINVAL; 7916e689cf4aSJeff Kirsher } 7917e689cf4aSJeff Kirsher } else 7918e689cf4aSJeff Kirsher nw64(LDG_NUM(ldn), ldg); 7919e689cf4aSJeff Kirsher 7920e689cf4aSJeff Kirsher return 0; 7921e689cf4aSJeff Kirsher } 7922e689cf4aSJeff Kirsher 7923e689cf4aSJeff Kirsher static int niu_set_ldg_timer_res(struct niu *np, int res) 7924e689cf4aSJeff Kirsher { 7925e689cf4aSJeff Kirsher if (res < 0 || res > LDG_TIMER_RES_VAL) 7926e689cf4aSJeff Kirsher return -EINVAL; 7927e689cf4aSJeff Kirsher 7928e689cf4aSJeff Kirsher 7929e689cf4aSJeff Kirsher nw64(LDG_TIMER_RES, res); 7930e689cf4aSJeff Kirsher 7931e689cf4aSJeff Kirsher return 0; 7932e689cf4aSJeff Kirsher } 7933e689cf4aSJeff Kirsher 7934e689cf4aSJeff Kirsher static int niu_set_ldg_sid(struct niu *np, int ldg, int func, int vector) 7935e689cf4aSJeff Kirsher { 7936e689cf4aSJeff Kirsher if ((ldg < NIU_LDG_MIN || ldg > NIU_LDG_MAX) || 7937e689cf4aSJeff Kirsher (func < 0 || func > 3) || 7938e689cf4aSJeff Kirsher (vector < 0 || vector > 0x1f)) 7939e689cf4aSJeff Kirsher return -EINVAL; 7940e689cf4aSJeff Kirsher 7941e689cf4aSJeff Kirsher nw64(SID(ldg), (func << SID_FUNC_SHIFT) | vector); 7942e689cf4aSJeff Kirsher 7943e689cf4aSJeff Kirsher return 0; 7944e689cf4aSJeff Kirsher } 7945e689cf4aSJeff Kirsher 7946f73d12bdSBill Pemberton static int niu_pci_eeprom_read(struct niu *np, u32 addr) 7947e689cf4aSJeff Kirsher { 7948e689cf4aSJeff Kirsher u64 frame, frame_base = (ESPC_PIO_STAT_READ_START | 7949e689cf4aSJeff Kirsher (addr << ESPC_PIO_STAT_ADDR_SHIFT)); 7950e689cf4aSJeff Kirsher int limit; 7951e689cf4aSJeff Kirsher 7952e689cf4aSJeff Kirsher if (addr > (ESPC_PIO_STAT_ADDR >> ESPC_PIO_STAT_ADDR_SHIFT)) 7953e689cf4aSJeff Kirsher return -EINVAL; 7954e689cf4aSJeff Kirsher 7955e689cf4aSJeff Kirsher frame = frame_base; 7956e689cf4aSJeff Kirsher nw64(ESPC_PIO_STAT, frame); 7957e689cf4aSJeff Kirsher limit = 64; 7958e689cf4aSJeff Kirsher do { 7959e689cf4aSJeff Kirsher udelay(5); 7960e689cf4aSJeff Kirsher frame = nr64(ESPC_PIO_STAT); 7961e689cf4aSJeff Kirsher if (frame & ESPC_PIO_STAT_READ_END) 7962e689cf4aSJeff Kirsher break; 7963e689cf4aSJeff Kirsher } while (limit--); 7964e689cf4aSJeff Kirsher if (!(frame & ESPC_PIO_STAT_READ_END)) { 7965e689cf4aSJeff Kirsher dev_err(np->device, "EEPROM read timeout frame[%llx]\n", 7966e689cf4aSJeff Kirsher (unsigned long long) frame); 7967e689cf4aSJeff Kirsher return -ENODEV; 7968e689cf4aSJeff Kirsher } 7969e689cf4aSJeff Kirsher 7970e689cf4aSJeff Kirsher frame = frame_base; 7971e689cf4aSJeff Kirsher nw64(ESPC_PIO_STAT, frame); 7972e689cf4aSJeff Kirsher limit = 64; 7973e689cf4aSJeff Kirsher do { 7974e689cf4aSJeff Kirsher udelay(5); 7975e689cf4aSJeff Kirsher frame = nr64(ESPC_PIO_STAT); 7976e689cf4aSJeff Kirsher if (frame & ESPC_PIO_STAT_READ_END) 7977e689cf4aSJeff Kirsher break; 7978e689cf4aSJeff Kirsher } while (limit--); 7979e689cf4aSJeff Kirsher if (!(frame & ESPC_PIO_STAT_READ_END)) { 7980e689cf4aSJeff Kirsher dev_err(np->device, "EEPROM read timeout frame[%llx]\n", 7981e689cf4aSJeff Kirsher (unsigned long long) frame); 7982e689cf4aSJeff Kirsher return -ENODEV; 7983e689cf4aSJeff Kirsher } 7984e689cf4aSJeff Kirsher 7985e689cf4aSJeff Kirsher frame = nr64(ESPC_PIO_STAT); 7986e689cf4aSJeff Kirsher return (frame & ESPC_PIO_STAT_DATA) >> ESPC_PIO_STAT_DATA_SHIFT; 7987e689cf4aSJeff Kirsher } 7988e689cf4aSJeff Kirsher 7989f73d12bdSBill Pemberton static int niu_pci_eeprom_read16(struct niu *np, u32 off) 7990e689cf4aSJeff Kirsher { 7991e689cf4aSJeff Kirsher int err = niu_pci_eeprom_read(np, off); 7992e689cf4aSJeff Kirsher u16 val; 7993e689cf4aSJeff Kirsher 7994e689cf4aSJeff Kirsher if (err < 0) 7995e689cf4aSJeff Kirsher return err; 7996e689cf4aSJeff Kirsher val = (err << 8); 7997e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, off + 1); 7998e689cf4aSJeff Kirsher if (err < 0) 7999e689cf4aSJeff Kirsher return err; 8000e689cf4aSJeff Kirsher val |= (err & 0xff); 8001e689cf4aSJeff Kirsher 8002e689cf4aSJeff Kirsher return val; 8003e689cf4aSJeff Kirsher } 8004e689cf4aSJeff Kirsher 8005f73d12bdSBill Pemberton static int niu_pci_eeprom_read16_swp(struct niu *np, u32 off) 8006e689cf4aSJeff Kirsher { 8007e689cf4aSJeff Kirsher int err = niu_pci_eeprom_read(np, off); 8008e689cf4aSJeff Kirsher u16 val; 8009e689cf4aSJeff Kirsher 8010e689cf4aSJeff Kirsher if (err < 0) 8011e689cf4aSJeff Kirsher return err; 8012e689cf4aSJeff Kirsher 8013e689cf4aSJeff Kirsher val = (err & 0xff); 8014e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, off + 1); 8015e689cf4aSJeff Kirsher if (err < 0) 8016e689cf4aSJeff Kirsher return err; 8017e689cf4aSJeff Kirsher 8018e689cf4aSJeff Kirsher val |= (err & 0xff) << 8; 8019e689cf4aSJeff Kirsher 8020e689cf4aSJeff Kirsher return val; 8021e689cf4aSJeff Kirsher } 8022e689cf4aSJeff Kirsher 80231dd06ae8SGreg Kroah-Hartman static int niu_pci_vpd_get_propname(struct niu *np, u32 off, char *namebuf, 8024e689cf4aSJeff Kirsher int namebuf_len) 8025e689cf4aSJeff Kirsher { 8026e689cf4aSJeff Kirsher int i; 8027e689cf4aSJeff Kirsher 8028e689cf4aSJeff Kirsher for (i = 0; i < namebuf_len; i++) { 8029e689cf4aSJeff Kirsher int err = niu_pci_eeprom_read(np, off + i); 8030e689cf4aSJeff Kirsher if (err < 0) 8031e689cf4aSJeff Kirsher return err; 8032e689cf4aSJeff Kirsher *namebuf++ = err; 8033e689cf4aSJeff Kirsher if (!err) 8034e689cf4aSJeff Kirsher break; 8035e689cf4aSJeff Kirsher } 8036e689cf4aSJeff Kirsher if (i >= namebuf_len) 8037e689cf4aSJeff Kirsher return -EINVAL; 8038e689cf4aSJeff Kirsher 8039e689cf4aSJeff Kirsher return i + 1; 8040e689cf4aSJeff Kirsher } 8041e689cf4aSJeff Kirsher 8042f73d12bdSBill Pemberton static void niu_vpd_parse_version(struct niu *np) 8043e689cf4aSJeff Kirsher { 8044e689cf4aSJeff Kirsher struct niu_vpd *vpd = &np->vpd; 8045e689cf4aSJeff Kirsher int len = strlen(vpd->version) + 1; 8046e689cf4aSJeff Kirsher const char *s = vpd->version; 8047e689cf4aSJeff Kirsher int i; 8048e689cf4aSJeff Kirsher 8049e689cf4aSJeff Kirsher for (i = 0; i < len - 5; i++) { 8050e689cf4aSJeff Kirsher if (!strncmp(s + i, "FCode ", 6)) 8051e689cf4aSJeff Kirsher break; 8052e689cf4aSJeff Kirsher } 8053e689cf4aSJeff Kirsher if (i >= len - 5) 8054e689cf4aSJeff Kirsher return; 8055e689cf4aSJeff Kirsher 8056e689cf4aSJeff Kirsher s += i + 5; 8057e689cf4aSJeff Kirsher sscanf(s, "%d.%d", &vpd->fcode_major, &vpd->fcode_minor); 8058e689cf4aSJeff Kirsher 8059e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8060e689cf4aSJeff Kirsher "VPD_SCAN: FCODE major(%d) minor(%d)\n", 8061e689cf4aSJeff Kirsher vpd->fcode_major, vpd->fcode_minor); 8062e689cf4aSJeff Kirsher if (vpd->fcode_major > NIU_VPD_MIN_MAJOR || 8063e689cf4aSJeff Kirsher (vpd->fcode_major == NIU_VPD_MIN_MAJOR && 8064e689cf4aSJeff Kirsher vpd->fcode_minor >= NIU_VPD_MIN_MINOR)) 8065e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_VPD_VALID; 8066e689cf4aSJeff Kirsher } 8067e689cf4aSJeff Kirsher 8068e689cf4aSJeff Kirsher /* ESPC_PIO_EN_ENABLE must be set */ 80691dd06ae8SGreg Kroah-Hartman static int niu_pci_vpd_scan_props(struct niu *np, u32 start, u32 end) 8070e689cf4aSJeff Kirsher { 8071e689cf4aSJeff Kirsher unsigned int found_mask = 0; 8072e689cf4aSJeff Kirsher #define FOUND_MASK_MODEL 0x00000001 8073e689cf4aSJeff Kirsher #define FOUND_MASK_BMODEL 0x00000002 8074e689cf4aSJeff Kirsher #define FOUND_MASK_VERS 0x00000004 8075e689cf4aSJeff Kirsher #define FOUND_MASK_MAC 0x00000008 8076e689cf4aSJeff Kirsher #define FOUND_MASK_NMAC 0x00000010 8077e689cf4aSJeff Kirsher #define FOUND_MASK_PHY 0x00000020 8078e689cf4aSJeff Kirsher #define FOUND_MASK_ALL 0x0000003f 8079e689cf4aSJeff Kirsher 8080e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8081e689cf4aSJeff Kirsher "VPD_SCAN: start[%x] end[%x]\n", start, end); 8082e689cf4aSJeff Kirsher while (start < end) { 8083e689cf4aSJeff Kirsher int len, err, prop_len; 8084e689cf4aSJeff Kirsher char namebuf[64]; 8085e689cf4aSJeff Kirsher u8 *prop_buf; 8086e689cf4aSJeff Kirsher int max_len; 8087e689cf4aSJeff Kirsher 8088e689cf4aSJeff Kirsher if (found_mask == FOUND_MASK_ALL) { 8089e689cf4aSJeff Kirsher niu_vpd_parse_version(np); 8090e689cf4aSJeff Kirsher return 1; 8091e689cf4aSJeff Kirsher } 8092e689cf4aSJeff Kirsher 8093e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, start + 2); 8094e689cf4aSJeff Kirsher if (err < 0) 8095e689cf4aSJeff Kirsher return err; 8096e689cf4aSJeff Kirsher len = err; 8097e689cf4aSJeff Kirsher start += 3; 8098e689cf4aSJeff Kirsher 8099e689cf4aSJeff Kirsher prop_len = niu_pci_eeprom_read(np, start + 4); 8100e6e33770SDu Cheng if (prop_len < 0) 8101e6e33770SDu Cheng return prop_len; 8102e689cf4aSJeff Kirsher err = niu_pci_vpd_get_propname(np, start + 5, namebuf, 64); 8103e689cf4aSJeff Kirsher if (err < 0) 8104e689cf4aSJeff Kirsher return err; 8105e689cf4aSJeff Kirsher 8106e689cf4aSJeff Kirsher prop_buf = NULL; 8107e689cf4aSJeff Kirsher max_len = 0; 8108e689cf4aSJeff Kirsher if (!strcmp(namebuf, "model")) { 8109e689cf4aSJeff Kirsher prop_buf = np->vpd.model; 8110e689cf4aSJeff Kirsher max_len = NIU_VPD_MODEL_MAX; 8111e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_MODEL; 8112e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "board-model")) { 8113e689cf4aSJeff Kirsher prop_buf = np->vpd.board_model; 8114e689cf4aSJeff Kirsher max_len = NIU_VPD_BD_MODEL_MAX; 8115e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_BMODEL; 8116e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "version")) { 8117e689cf4aSJeff Kirsher prop_buf = np->vpd.version; 8118e689cf4aSJeff Kirsher max_len = NIU_VPD_VERSION_MAX; 8119e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_VERS; 8120e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "local-mac-address")) { 8121e689cf4aSJeff Kirsher prop_buf = np->vpd.local_mac; 8122e689cf4aSJeff Kirsher max_len = ETH_ALEN; 8123e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_MAC; 8124e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "num-mac-addresses")) { 8125e689cf4aSJeff Kirsher prop_buf = &np->vpd.mac_num; 8126e689cf4aSJeff Kirsher max_len = 1; 8127e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_NMAC; 8128e689cf4aSJeff Kirsher } else if (!strcmp(namebuf, "phy-type")) { 8129e689cf4aSJeff Kirsher prop_buf = np->vpd.phy_type; 8130e689cf4aSJeff Kirsher max_len = NIU_VPD_PHY_TYPE_MAX; 8131e689cf4aSJeff Kirsher found_mask |= FOUND_MASK_PHY; 8132e689cf4aSJeff Kirsher } 8133e689cf4aSJeff Kirsher 8134e689cf4aSJeff Kirsher if (max_len && prop_len > max_len) { 8135e689cf4aSJeff Kirsher dev_err(np->device, "Property '%s' length (%d) is too long\n", namebuf, prop_len); 8136e689cf4aSJeff Kirsher return -EINVAL; 8137e689cf4aSJeff Kirsher } 8138e689cf4aSJeff Kirsher 8139e689cf4aSJeff Kirsher if (prop_buf) { 8140e689cf4aSJeff Kirsher u32 off = start + 5 + err; 8141e689cf4aSJeff Kirsher int i; 8142e689cf4aSJeff Kirsher 8143e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8144e689cf4aSJeff Kirsher "VPD_SCAN: Reading in property [%s] len[%d]\n", 8145e689cf4aSJeff Kirsher namebuf, prop_len); 8146e6e33770SDu Cheng for (i = 0; i < prop_len; i++) { 8147e6e33770SDu Cheng err = niu_pci_eeprom_read(np, off + i); 8148e6e33770SDu Cheng if (err < 0) 8149e6e33770SDu Cheng return err; 8150e6e33770SDu Cheng *prop_buf++ = err; 8151e6e33770SDu Cheng } 8152e689cf4aSJeff Kirsher } 8153e689cf4aSJeff Kirsher 8154e689cf4aSJeff Kirsher start += len; 8155e689cf4aSJeff Kirsher } 8156e689cf4aSJeff Kirsher 8157e689cf4aSJeff Kirsher return 0; 8158e689cf4aSJeff Kirsher } 8159e689cf4aSJeff Kirsher 8160e689cf4aSJeff Kirsher /* ESPC_PIO_EN_ENABLE must be set */ 8161e6e33770SDu Cheng static int niu_pci_vpd_fetch(struct niu *np, u32 start) 8162e689cf4aSJeff Kirsher { 8163e689cf4aSJeff Kirsher u32 offset; 8164e689cf4aSJeff Kirsher int err; 8165e689cf4aSJeff Kirsher 8166e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16_swp(np, start + 1); 8167e689cf4aSJeff Kirsher if (err < 0) 8168e6e33770SDu Cheng return err; 8169e689cf4aSJeff Kirsher 8170e689cf4aSJeff Kirsher offset = err + 3; 8171e689cf4aSJeff Kirsher 8172e689cf4aSJeff Kirsher while (start + offset < ESPC_EEPROM_SIZE) { 8173e689cf4aSJeff Kirsher u32 here = start + offset; 8174e689cf4aSJeff Kirsher u32 end; 8175e689cf4aSJeff Kirsher 8176e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, here); 8177e6e33770SDu Cheng if (err < 0) 8178e6e33770SDu Cheng return err; 8179e689cf4aSJeff Kirsher if (err != 0x90) 8180e6e33770SDu Cheng return -EINVAL; 8181e689cf4aSJeff Kirsher 8182e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16_swp(np, here + 1); 8183e689cf4aSJeff Kirsher if (err < 0) 8184e6e33770SDu Cheng return err; 8185e689cf4aSJeff Kirsher 8186e689cf4aSJeff Kirsher here = start + offset + 3; 8187e689cf4aSJeff Kirsher end = start + offset + err; 8188e689cf4aSJeff Kirsher 8189e689cf4aSJeff Kirsher offset += err; 8190e689cf4aSJeff Kirsher 8191e689cf4aSJeff Kirsher err = niu_pci_vpd_scan_props(np, here, end); 8192e6e33770SDu Cheng if (err < 0) 8193e6e33770SDu Cheng return err; 819415bbf8bbSPaul Jakma /* ret == 1 is not an error */ 8195e6e33770SDu Cheng if (err == 1) 819615bbf8bbSPaul Jakma return 0; 8197e689cf4aSJeff Kirsher } 8198e6e33770SDu Cheng return 0; 8199e689cf4aSJeff Kirsher } 8200e689cf4aSJeff Kirsher 8201e689cf4aSJeff Kirsher /* ESPC_PIO_EN_ENABLE must be set */ 8202f73d12bdSBill Pemberton static u32 niu_pci_vpd_offset(struct niu *np) 8203e689cf4aSJeff Kirsher { 8204e689cf4aSJeff Kirsher u32 start = 0, end = ESPC_EEPROM_SIZE, ret; 8205e689cf4aSJeff Kirsher int err; 8206e689cf4aSJeff Kirsher 8207e689cf4aSJeff Kirsher while (start < end) { 8208e689cf4aSJeff Kirsher ret = start; 8209e689cf4aSJeff Kirsher 8210e689cf4aSJeff Kirsher /* ROM header signature? */ 8211e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16(np, start + 0); 8212e689cf4aSJeff Kirsher if (err != 0x55aa) 8213e689cf4aSJeff Kirsher return 0; 8214e689cf4aSJeff Kirsher 8215e689cf4aSJeff Kirsher /* Apply offset to PCI data structure. */ 8216e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16(np, start + 23); 8217e689cf4aSJeff Kirsher if (err < 0) 8218e689cf4aSJeff Kirsher return 0; 8219e689cf4aSJeff Kirsher start += err; 8220e689cf4aSJeff Kirsher 8221e689cf4aSJeff Kirsher /* Check for "PCIR" signature. */ 8222e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16(np, start + 0); 8223e689cf4aSJeff Kirsher if (err != 0x5043) 8224e689cf4aSJeff Kirsher return 0; 8225e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16(np, start + 2); 8226e689cf4aSJeff Kirsher if (err != 0x4952) 8227e689cf4aSJeff Kirsher return 0; 8228e689cf4aSJeff Kirsher 8229e689cf4aSJeff Kirsher /* Check for OBP image type. */ 8230e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, start + 20); 8231e689cf4aSJeff Kirsher if (err < 0) 8232e689cf4aSJeff Kirsher return 0; 8233e689cf4aSJeff Kirsher if (err != 0x01) { 8234e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, ret + 2); 8235e689cf4aSJeff Kirsher if (err < 0) 8236e689cf4aSJeff Kirsher return 0; 8237e689cf4aSJeff Kirsher 8238e689cf4aSJeff Kirsher start = ret + (err * 512); 8239e689cf4aSJeff Kirsher continue; 8240e689cf4aSJeff Kirsher } 8241e689cf4aSJeff Kirsher 8242e689cf4aSJeff Kirsher err = niu_pci_eeprom_read16_swp(np, start + 8); 8243e689cf4aSJeff Kirsher if (err < 0) 8244e689cf4aSJeff Kirsher return err; 8245e689cf4aSJeff Kirsher ret += err; 8246e689cf4aSJeff Kirsher 8247e689cf4aSJeff Kirsher err = niu_pci_eeprom_read(np, ret + 0); 8248e689cf4aSJeff Kirsher if (err != 0x82) 8249e689cf4aSJeff Kirsher return 0; 8250e689cf4aSJeff Kirsher 8251e689cf4aSJeff Kirsher return ret; 8252e689cf4aSJeff Kirsher } 8253e689cf4aSJeff Kirsher 8254e689cf4aSJeff Kirsher return 0; 8255e689cf4aSJeff Kirsher } 8256e689cf4aSJeff Kirsher 82571dd06ae8SGreg Kroah-Hartman static int niu_phy_type_prop_decode(struct niu *np, const char *phy_prop) 8258e689cf4aSJeff Kirsher { 8259e689cf4aSJeff Kirsher if (!strcmp(phy_prop, "mif")) { 8260e689cf4aSJeff Kirsher /* 1G copper, MII */ 8261e689cf4aSJeff Kirsher np->flags &= ~(NIU_FLAGS_FIBER | 8262e689cf4aSJeff Kirsher NIU_FLAGS_10G); 8263e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_MII; 8264e689cf4aSJeff Kirsher } else if (!strcmp(phy_prop, "xgf")) { 8265e689cf4aSJeff Kirsher /* 10G fiber, XPCS */ 8266e689cf4aSJeff Kirsher np->flags |= (NIU_FLAGS_10G | 8267e689cf4aSJeff Kirsher NIU_FLAGS_FIBER); 8268e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8269e689cf4aSJeff Kirsher } else if (!strcmp(phy_prop, "pcs")) { 8270e689cf4aSJeff Kirsher /* 1G fiber, PCS */ 8271e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 8272e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_FIBER; 8273e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 8274e689cf4aSJeff Kirsher } else if (!strcmp(phy_prop, "xgc")) { 8275e689cf4aSJeff Kirsher /* 10G copper, XPCS */ 8276e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_10G; 8277e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_FIBER; 8278e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8279e689cf4aSJeff Kirsher } else if (!strcmp(phy_prop, "xgsd") || !strcmp(phy_prop, "gsd")) { 8280e689cf4aSJeff Kirsher /* 10G Serdes or 1G Serdes, default to 10G */ 8281e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_10G; 8282e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_FIBER; 8283e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_XCVR_SERDES; 8284e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8285e689cf4aSJeff Kirsher } else { 8286e689cf4aSJeff Kirsher return -EINVAL; 8287e689cf4aSJeff Kirsher } 8288e689cf4aSJeff Kirsher return 0; 8289e689cf4aSJeff Kirsher } 8290e689cf4aSJeff Kirsher 8291e689cf4aSJeff Kirsher static int niu_pci_vpd_get_nports(struct niu *np) 8292e689cf4aSJeff Kirsher { 8293e689cf4aSJeff Kirsher int ports = 0; 8294e689cf4aSJeff Kirsher 8295e689cf4aSJeff Kirsher if ((!strcmp(np->vpd.model, NIU_QGC_LP_MDL_STR)) || 8296e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_QGC_PEM_MDL_STR)) || 8297e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_MARAMBA_MDL_STR)) || 8298e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) || 8299e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR))) { 8300e689cf4aSJeff Kirsher ports = 4; 8301e689cf4aSJeff Kirsher } else if ((!strcmp(np->vpd.model, NIU_2XGF_LP_MDL_STR)) || 8302e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_2XGF_PEM_MDL_STR)) || 8303e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) || 8304e689cf4aSJeff Kirsher (!strcmp(np->vpd.model, NIU_2XGF_MRVL_MDL_STR))) { 8305e689cf4aSJeff Kirsher ports = 2; 8306e689cf4aSJeff Kirsher } 8307e689cf4aSJeff Kirsher 8308e689cf4aSJeff Kirsher return ports; 8309e689cf4aSJeff Kirsher } 8310e689cf4aSJeff Kirsher 8311f73d12bdSBill Pemberton static void niu_pci_vpd_validate(struct niu *np) 8312e689cf4aSJeff Kirsher { 8313e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 8314e689cf4aSJeff Kirsher struct niu_vpd *vpd = &np->vpd; 8315e689cf4aSJeff Kirsher u8 val8; 8316e689cf4aSJeff Kirsher 8317e689cf4aSJeff Kirsher if (!is_valid_ether_addr(&vpd->local_mac[0])) { 8318e689cf4aSJeff Kirsher dev_err(np->device, "VPD MAC invalid, falling back to SPROM\n"); 8319e689cf4aSJeff Kirsher 8320e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_VPD_VALID; 8321e689cf4aSJeff Kirsher return; 8322e689cf4aSJeff Kirsher } 8323e689cf4aSJeff Kirsher 8324e689cf4aSJeff Kirsher if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) || 8325e689cf4aSJeff Kirsher !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) { 8326e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_10G; 8327e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_FIBER; 8328e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_XCVR_SERDES; 8329e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 8330e689cf4aSJeff Kirsher if (np->port > 1) { 8331e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_FIBER; 8332e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 8333e689cf4aSJeff Kirsher } 8334e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) 8335e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8336e689cf4aSJeff Kirsher } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) { 8337e689cf4aSJeff Kirsher np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER | 8338e689cf4aSJeff Kirsher NIU_FLAGS_HOTPLUG_PHY); 8339e689cf4aSJeff Kirsher } else if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) { 8340e689cf4aSJeff Kirsher dev_err(np->device, "Illegal phy string [%s]\n", 8341e689cf4aSJeff Kirsher np->vpd.phy_type); 8342e689cf4aSJeff Kirsher dev_err(np->device, "Falling back to SPROM\n"); 8343e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_VPD_VALID; 8344e689cf4aSJeff Kirsher return; 8345e689cf4aSJeff Kirsher } 8346e689cf4aSJeff Kirsher 8347aaeb6cdfSJiri Pirko memcpy(dev->dev_addr, vpd->local_mac, ETH_ALEN); 8348e689cf4aSJeff Kirsher 8349aaeb6cdfSJiri Pirko val8 = dev->dev_addr[5]; 8350aaeb6cdfSJiri Pirko dev->dev_addr[5] += np->port; 8351aaeb6cdfSJiri Pirko if (dev->dev_addr[5] < val8) 8352aaeb6cdfSJiri Pirko dev->dev_addr[4]++; 8353e689cf4aSJeff Kirsher } 8354e689cf4aSJeff Kirsher 8355f73d12bdSBill Pemberton static int niu_pci_probe_sprom(struct niu *np) 8356e689cf4aSJeff Kirsher { 8357e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 8358e689cf4aSJeff Kirsher int len, i; 8359e689cf4aSJeff Kirsher u64 val, sum; 8360e689cf4aSJeff Kirsher u8 val8; 8361e689cf4aSJeff Kirsher 8362e689cf4aSJeff Kirsher val = (nr64(ESPC_VER_IMGSZ) & ESPC_VER_IMGSZ_IMGSZ); 8363e689cf4aSJeff Kirsher val >>= ESPC_VER_IMGSZ_IMGSZ_SHIFT; 8364e689cf4aSJeff Kirsher len = val / 4; 8365e689cf4aSJeff Kirsher 8366e689cf4aSJeff Kirsher np->eeprom_len = len; 8367e689cf4aSJeff Kirsher 8368e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8369e689cf4aSJeff Kirsher "SPROM: Image size %llu\n", (unsigned long long)val); 8370e689cf4aSJeff Kirsher 8371e689cf4aSJeff Kirsher sum = 0; 8372e689cf4aSJeff Kirsher for (i = 0; i < len; i++) { 8373e689cf4aSJeff Kirsher val = nr64(ESPC_NCR(i)); 8374e689cf4aSJeff Kirsher sum += (val >> 0) & 0xff; 8375e689cf4aSJeff Kirsher sum += (val >> 8) & 0xff; 8376e689cf4aSJeff Kirsher sum += (val >> 16) & 0xff; 8377e689cf4aSJeff Kirsher sum += (val >> 24) & 0xff; 8378e689cf4aSJeff Kirsher } 8379e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8380e689cf4aSJeff Kirsher "SPROM: Checksum %x\n", (int)(sum & 0xff)); 8381e689cf4aSJeff Kirsher if ((sum & 0xff) != 0xab) { 8382e689cf4aSJeff Kirsher dev_err(np->device, "Bad SPROM checksum (%x, should be 0xab)\n", (int)(sum & 0xff)); 8383e689cf4aSJeff Kirsher return -EINVAL; 8384e689cf4aSJeff Kirsher } 8385e689cf4aSJeff Kirsher 8386e689cf4aSJeff Kirsher val = nr64(ESPC_PHY_TYPE); 8387e689cf4aSJeff Kirsher switch (np->port) { 8388e689cf4aSJeff Kirsher case 0: 8389e689cf4aSJeff Kirsher val8 = (val & ESPC_PHY_TYPE_PORT0) >> 8390e689cf4aSJeff Kirsher ESPC_PHY_TYPE_PORT0_SHIFT; 8391e689cf4aSJeff Kirsher break; 8392e689cf4aSJeff Kirsher case 1: 8393e689cf4aSJeff Kirsher val8 = (val & ESPC_PHY_TYPE_PORT1) >> 8394e689cf4aSJeff Kirsher ESPC_PHY_TYPE_PORT1_SHIFT; 8395e689cf4aSJeff Kirsher break; 8396e689cf4aSJeff Kirsher case 2: 8397e689cf4aSJeff Kirsher val8 = (val & ESPC_PHY_TYPE_PORT2) >> 8398e689cf4aSJeff Kirsher ESPC_PHY_TYPE_PORT2_SHIFT; 8399e689cf4aSJeff Kirsher break; 8400e689cf4aSJeff Kirsher case 3: 8401e689cf4aSJeff Kirsher val8 = (val & ESPC_PHY_TYPE_PORT3) >> 8402e689cf4aSJeff Kirsher ESPC_PHY_TYPE_PORT3_SHIFT; 8403e689cf4aSJeff Kirsher break; 8404e689cf4aSJeff Kirsher default: 8405e689cf4aSJeff Kirsher dev_err(np->device, "Bogus port number %u\n", 8406e689cf4aSJeff Kirsher np->port); 8407e689cf4aSJeff Kirsher return -EINVAL; 8408e689cf4aSJeff Kirsher } 8409e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8410e689cf4aSJeff Kirsher "SPROM: PHY type %x\n", val8); 8411e689cf4aSJeff Kirsher 8412e689cf4aSJeff Kirsher switch (val8) { 8413e689cf4aSJeff Kirsher case ESPC_PHY_TYPE_1G_COPPER: 8414e689cf4aSJeff Kirsher /* 1G copper, MII */ 8415e689cf4aSJeff Kirsher np->flags &= ~(NIU_FLAGS_FIBER | 8416e689cf4aSJeff Kirsher NIU_FLAGS_10G); 8417e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_MII; 8418e689cf4aSJeff Kirsher break; 8419e689cf4aSJeff Kirsher 8420e689cf4aSJeff Kirsher case ESPC_PHY_TYPE_1G_FIBER: 8421e689cf4aSJeff Kirsher /* 1G fiber, PCS */ 8422e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_10G; 8423e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_FIBER; 8424e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_PCS; 8425e689cf4aSJeff Kirsher break; 8426e689cf4aSJeff Kirsher 8427e689cf4aSJeff Kirsher case ESPC_PHY_TYPE_10G_COPPER: 8428e689cf4aSJeff Kirsher /* 10G copper, XPCS */ 8429e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_10G; 8430e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_FIBER; 8431e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8432e689cf4aSJeff Kirsher break; 8433e689cf4aSJeff Kirsher 8434e689cf4aSJeff Kirsher case ESPC_PHY_TYPE_10G_FIBER: 8435e689cf4aSJeff Kirsher /* 10G fiber, XPCS */ 8436e689cf4aSJeff Kirsher np->flags |= (NIU_FLAGS_10G | 8437e689cf4aSJeff Kirsher NIU_FLAGS_FIBER); 8438e689cf4aSJeff Kirsher np->mac_xcvr = MAC_XCVR_XPCS; 8439e689cf4aSJeff Kirsher break; 8440e689cf4aSJeff Kirsher 8441e689cf4aSJeff Kirsher default: 8442e689cf4aSJeff Kirsher dev_err(np->device, "Bogus SPROM phy type %u\n", val8); 8443e689cf4aSJeff Kirsher return -EINVAL; 8444e689cf4aSJeff Kirsher } 8445e689cf4aSJeff Kirsher 8446e689cf4aSJeff Kirsher val = nr64(ESPC_MAC_ADDR0); 8447e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8448e689cf4aSJeff Kirsher "SPROM: MAC_ADDR0[%08llx]\n", (unsigned long long)val); 8449aaeb6cdfSJiri Pirko dev->dev_addr[0] = (val >> 0) & 0xff; 8450aaeb6cdfSJiri Pirko dev->dev_addr[1] = (val >> 8) & 0xff; 8451aaeb6cdfSJiri Pirko dev->dev_addr[2] = (val >> 16) & 0xff; 8452aaeb6cdfSJiri Pirko dev->dev_addr[3] = (val >> 24) & 0xff; 8453e689cf4aSJeff Kirsher 8454e689cf4aSJeff Kirsher val = nr64(ESPC_MAC_ADDR1); 8455e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8456e689cf4aSJeff Kirsher "SPROM: MAC_ADDR1[%08llx]\n", (unsigned long long)val); 8457aaeb6cdfSJiri Pirko dev->dev_addr[4] = (val >> 0) & 0xff; 8458aaeb6cdfSJiri Pirko dev->dev_addr[5] = (val >> 8) & 0xff; 8459e689cf4aSJeff Kirsher 8460aaeb6cdfSJiri Pirko if (!is_valid_ether_addr(&dev->dev_addr[0])) { 8461e689cf4aSJeff Kirsher dev_err(np->device, "SPROM MAC address invalid [ %pM ]\n", 8462aaeb6cdfSJiri Pirko dev->dev_addr); 8463e689cf4aSJeff Kirsher return -EINVAL; 8464e689cf4aSJeff Kirsher } 8465e689cf4aSJeff Kirsher 8466aaeb6cdfSJiri Pirko val8 = dev->dev_addr[5]; 8467aaeb6cdfSJiri Pirko dev->dev_addr[5] += np->port; 8468aaeb6cdfSJiri Pirko if (dev->dev_addr[5] < val8) 8469aaeb6cdfSJiri Pirko dev->dev_addr[4]++; 8470e689cf4aSJeff Kirsher 8471e689cf4aSJeff Kirsher val = nr64(ESPC_MOD_STR_LEN); 8472e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8473e689cf4aSJeff Kirsher "SPROM: MOD_STR_LEN[%llu]\n", (unsigned long long)val); 8474e689cf4aSJeff Kirsher if (val >= 8 * 4) 8475e689cf4aSJeff Kirsher return -EINVAL; 8476e689cf4aSJeff Kirsher 8477e689cf4aSJeff Kirsher for (i = 0; i < val; i += 4) { 8478e689cf4aSJeff Kirsher u64 tmp = nr64(ESPC_NCR(5 + (i / 4))); 8479e689cf4aSJeff Kirsher 8480e689cf4aSJeff Kirsher np->vpd.model[i + 3] = (tmp >> 0) & 0xff; 8481e689cf4aSJeff Kirsher np->vpd.model[i + 2] = (tmp >> 8) & 0xff; 8482e689cf4aSJeff Kirsher np->vpd.model[i + 1] = (tmp >> 16) & 0xff; 8483e689cf4aSJeff Kirsher np->vpd.model[i + 0] = (tmp >> 24) & 0xff; 8484e689cf4aSJeff Kirsher } 8485e689cf4aSJeff Kirsher np->vpd.model[val] = '\0'; 8486e689cf4aSJeff Kirsher 8487e689cf4aSJeff Kirsher val = nr64(ESPC_BD_MOD_STR_LEN); 8488e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8489e689cf4aSJeff Kirsher "SPROM: BD_MOD_STR_LEN[%llu]\n", (unsigned long long)val); 8490e689cf4aSJeff Kirsher if (val >= 4 * 4) 8491e689cf4aSJeff Kirsher return -EINVAL; 8492e689cf4aSJeff Kirsher 8493e689cf4aSJeff Kirsher for (i = 0; i < val; i += 4) { 8494e689cf4aSJeff Kirsher u64 tmp = nr64(ESPC_NCR(14 + (i / 4))); 8495e689cf4aSJeff Kirsher 8496e689cf4aSJeff Kirsher np->vpd.board_model[i + 3] = (tmp >> 0) & 0xff; 8497e689cf4aSJeff Kirsher np->vpd.board_model[i + 2] = (tmp >> 8) & 0xff; 8498e689cf4aSJeff Kirsher np->vpd.board_model[i + 1] = (tmp >> 16) & 0xff; 8499e689cf4aSJeff Kirsher np->vpd.board_model[i + 0] = (tmp >> 24) & 0xff; 8500e689cf4aSJeff Kirsher } 8501e689cf4aSJeff Kirsher np->vpd.board_model[val] = '\0'; 8502e689cf4aSJeff Kirsher 8503e689cf4aSJeff Kirsher np->vpd.mac_num = 8504e689cf4aSJeff Kirsher nr64(ESPC_NUM_PORTS_MACS) & ESPC_NUM_PORTS_MACS_VAL; 8505e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 8506e689cf4aSJeff Kirsher "SPROM: NUM_PORTS_MACS[%d]\n", np->vpd.mac_num); 8507e689cf4aSJeff Kirsher 8508e689cf4aSJeff Kirsher return 0; 8509e689cf4aSJeff Kirsher } 8510e689cf4aSJeff Kirsher 8511f73d12bdSBill Pemberton static int niu_get_and_validate_port(struct niu *np) 8512e689cf4aSJeff Kirsher { 8513e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 8514e689cf4aSJeff Kirsher 8515e689cf4aSJeff Kirsher if (np->port <= 1) 8516e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_XMAC; 8517e689cf4aSJeff Kirsher 8518e689cf4aSJeff Kirsher if (!parent->num_ports) { 8519e689cf4aSJeff Kirsher if (parent->plat_type == PLAT_TYPE_NIU) { 8520e689cf4aSJeff Kirsher parent->num_ports = 2; 8521e689cf4aSJeff Kirsher } else { 8522e689cf4aSJeff Kirsher parent->num_ports = niu_pci_vpd_get_nports(np); 8523e689cf4aSJeff Kirsher if (!parent->num_ports) { 8524e689cf4aSJeff Kirsher /* Fall back to SPROM as last resort. 8525e689cf4aSJeff Kirsher * This will fail on most cards. 8526e689cf4aSJeff Kirsher */ 8527e689cf4aSJeff Kirsher parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) & 8528e689cf4aSJeff Kirsher ESPC_NUM_PORTS_MACS_VAL; 8529e689cf4aSJeff Kirsher 8530e689cf4aSJeff Kirsher /* All of the current probing methods fail on 8531e689cf4aSJeff Kirsher * Maramba on-board parts. 8532e689cf4aSJeff Kirsher */ 8533e689cf4aSJeff Kirsher if (!parent->num_ports) 8534e689cf4aSJeff Kirsher parent->num_ports = 4; 8535e689cf4aSJeff Kirsher } 8536e689cf4aSJeff Kirsher } 8537e689cf4aSJeff Kirsher } 8538e689cf4aSJeff Kirsher 8539e689cf4aSJeff Kirsher if (np->port >= parent->num_ports) 8540e689cf4aSJeff Kirsher return -ENODEV; 8541e689cf4aSJeff Kirsher 8542e689cf4aSJeff Kirsher return 0; 8543e689cf4aSJeff Kirsher } 8544e689cf4aSJeff Kirsher 85451dd06ae8SGreg Kroah-Hartman static int phy_record(struct niu_parent *parent, struct phy_probe_info *p, 85461dd06ae8SGreg Kroah-Hartman int dev_id_1, int dev_id_2, u8 phy_port, int type) 8547e689cf4aSJeff Kirsher { 8548e689cf4aSJeff Kirsher u32 id = (dev_id_1 << 16) | dev_id_2; 8549e689cf4aSJeff Kirsher u8 idx; 8550e689cf4aSJeff Kirsher 8551e689cf4aSJeff Kirsher if (dev_id_1 < 0 || dev_id_2 < 0) 8552e689cf4aSJeff Kirsher return 0; 8553e689cf4aSJeff Kirsher if (type == PHY_TYPE_PMA_PMD || type == PHY_TYPE_PCS) { 85541d214fa3SDavid S. Miller /* Because of the NIU_PHY_ID_MASK being applied, the 8704 855563ec3c83SDavid S. Miller * test covers the 8706 as well. 855663ec3c83SDavid S. Miller */ 8557e689cf4aSJeff Kirsher if (((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704) && 855863ec3c83SDavid S. Miller ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_MRVL88X2011)) 8559e689cf4aSJeff Kirsher return 0; 8560e689cf4aSJeff Kirsher } else { 8561e689cf4aSJeff Kirsher if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM5464R) 8562e689cf4aSJeff Kirsher return 0; 8563e689cf4aSJeff Kirsher } 8564e689cf4aSJeff Kirsher 8565e689cf4aSJeff Kirsher pr_info("niu%d: Found PHY %08x type %s at phy_port %u\n", 8566e689cf4aSJeff Kirsher parent->index, id, 8567e689cf4aSJeff Kirsher type == PHY_TYPE_PMA_PMD ? "PMA/PMD" : 8568e689cf4aSJeff Kirsher type == PHY_TYPE_PCS ? "PCS" : "MII", 8569e689cf4aSJeff Kirsher phy_port); 8570e689cf4aSJeff Kirsher 8571e689cf4aSJeff Kirsher if (p->cur[type] >= NIU_MAX_PORTS) { 8572e689cf4aSJeff Kirsher pr_err("Too many PHY ports\n"); 8573e689cf4aSJeff Kirsher return -EINVAL; 8574e689cf4aSJeff Kirsher } 8575e689cf4aSJeff Kirsher idx = p->cur[type]; 8576e689cf4aSJeff Kirsher p->phy_id[type][idx] = id; 8577e689cf4aSJeff Kirsher p->phy_port[type][idx] = phy_port; 8578e689cf4aSJeff Kirsher p->cur[type] = idx + 1; 8579e689cf4aSJeff Kirsher return 0; 8580e689cf4aSJeff Kirsher } 8581e689cf4aSJeff Kirsher 8582f73d12bdSBill Pemberton static int port_has_10g(struct phy_probe_info *p, int port) 8583e689cf4aSJeff Kirsher { 8584e689cf4aSJeff Kirsher int i; 8585e689cf4aSJeff Kirsher 8586e689cf4aSJeff Kirsher for (i = 0; i < p->cur[PHY_TYPE_PMA_PMD]; i++) { 8587e689cf4aSJeff Kirsher if (p->phy_port[PHY_TYPE_PMA_PMD][i] == port) 8588e689cf4aSJeff Kirsher return 1; 8589e689cf4aSJeff Kirsher } 8590e689cf4aSJeff Kirsher for (i = 0; i < p->cur[PHY_TYPE_PCS]; i++) { 8591e689cf4aSJeff Kirsher if (p->phy_port[PHY_TYPE_PCS][i] == port) 8592e689cf4aSJeff Kirsher return 1; 8593e689cf4aSJeff Kirsher } 8594e689cf4aSJeff Kirsher 8595e689cf4aSJeff Kirsher return 0; 8596e689cf4aSJeff Kirsher } 8597e689cf4aSJeff Kirsher 8598f73d12bdSBill Pemberton static int count_10g_ports(struct phy_probe_info *p, int *lowest) 8599e689cf4aSJeff Kirsher { 8600e689cf4aSJeff Kirsher int port, cnt; 8601e689cf4aSJeff Kirsher 8602e689cf4aSJeff Kirsher cnt = 0; 8603e689cf4aSJeff Kirsher *lowest = 32; 8604e689cf4aSJeff Kirsher for (port = 8; port < 32; port++) { 8605e689cf4aSJeff Kirsher if (port_has_10g(p, port)) { 8606e689cf4aSJeff Kirsher if (!cnt) 8607e689cf4aSJeff Kirsher *lowest = port; 8608e689cf4aSJeff Kirsher cnt++; 8609e689cf4aSJeff Kirsher } 8610e689cf4aSJeff Kirsher } 8611e689cf4aSJeff Kirsher 8612e689cf4aSJeff Kirsher return cnt; 8613e689cf4aSJeff Kirsher } 8614e689cf4aSJeff Kirsher 8615f73d12bdSBill Pemberton static int count_1g_ports(struct phy_probe_info *p, int *lowest) 8616e689cf4aSJeff Kirsher { 8617e689cf4aSJeff Kirsher *lowest = 32; 8618e689cf4aSJeff Kirsher if (p->cur[PHY_TYPE_MII]) 8619e689cf4aSJeff Kirsher *lowest = p->phy_port[PHY_TYPE_MII][0]; 8620e689cf4aSJeff Kirsher 8621e689cf4aSJeff Kirsher return p->cur[PHY_TYPE_MII]; 8622e689cf4aSJeff Kirsher } 8623e689cf4aSJeff Kirsher 8624f73d12bdSBill Pemberton static void niu_n2_divide_channels(struct niu_parent *parent) 8625e689cf4aSJeff Kirsher { 8626e689cf4aSJeff Kirsher int num_ports = parent->num_ports; 8627e689cf4aSJeff Kirsher int i; 8628e689cf4aSJeff Kirsher 8629e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) { 8630e689cf4aSJeff Kirsher parent->rxchan_per_port[i] = (16 / num_ports); 8631e689cf4aSJeff Kirsher parent->txchan_per_port[i] = (16 / num_ports); 8632e689cf4aSJeff Kirsher 8633e689cf4aSJeff Kirsher pr_info("niu%d: Port %u [%u RX chans] [%u TX chans]\n", 8634e689cf4aSJeff Kirsher parent->index, i, 8635e689cf4aSJeff Kirsher parent->rxchan_per_port[i], 8636e689cf4aSJeff Kirsher parent->txchan_per_port[i]); 8637e689cf4aSJeff Kirsher } 8638e689cf4aSJeff Kirsher } 8639e689cf4aSJeff Kirsher 8640f73d12bdSBill Pemberton static void niu_divide_channels(struct niu_parent *parent, 8641e689cf4aSJeff Kirsher int num_10g, int num_1g) 8642e689cf4aSJeff Kirsher { 8643e689cf4aSJeff Kirsher int num_ports = parent->num_ports; 8644e689cf4aSJeff Kirsher int rx_chans_per_10g, rx_chans_per_1g; 8645e689cf4aSJeff Kirsher int tx_chans_per_10g, tx_chans_per_1g; 8646e689cf4aSJeff Kirsher int i, tot_rx, tot_tx; 8647e689cf4aSJeff Kirsher 8648e689cf4aSJeff Kirsher if (!num_10g || !num_1g) { 8649e689cf4aSJeff Kirsher rx_chans_per_10g = rx_chans_per_1g = 8650e689cf4aSJeff Kirsher (NIU_NUM_RXCHAN / num_ports); 8651e689cf4aSJeff Kirsher tx_chans_per_10g = tx_chans_per_1g = 8652e689cf4aSJeff Kirsher (NIU_NUM_TXCHAN / num_ports); 8653e689cf4aSJeff Kirsher } else { 8654e689cf4aSJeff Kirsher rx_chans_per_1g = NIU_NUM_RXCHAN / 8; 8655e689cf4aSJeff Kirsher rx_chans_per_10g = (NIU_NUM_RXCHAN - 8656e689cf4aSJeff Kirsher (rx_chans_per_1g * num_1g)) / 8657e689cf4aSJeff Kirsher num_10g; 8658e689cf4aSJeff Kirsher 8659e689cf4aSJeff Kirsher tx_chans_per_1g = NIU_NUM_TXCHAN / 6; 8660e689cf4aSJeff Kirsher tx_chans_per_10g = (NIU_NUM_TXCHAN - 8661e689cf4aSJeff Kirsher (tx_chans_per_1g * num_1g)) / 8662e689cf4aSJeff Kirsher num_10g; 8663e689cf4aSJeff Kirsher } 8664e689cf4aSJeff Kirsher 8665e689cf4aSJeff Kirsher tot_rx = tot_tx = 0; 8666e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) { 8667e689cf4aSJeff Kirsher int type = phy_decode(parent->port_phy, i); 8668e689cf4aSJeff Kirsher 8669e689cf4aSJeff Kirsher if (type == PORT_TYPE_10G) { 8670e689cf4aSJeff Kirsher parent->rxchan_per_port[i] = rx_chans_per_10g; 8671e689cf4aSJeff Kirsher parent->txchan_per_port[i] = tx_chans_per_10g; 8672e689cf4aSJeff Kirsher } else { 8673e689cf4aSJeff Kirsher parent->rxchan_per_port[i] = rx_chans_per_1g; 8674e689cf4aSJeff Kirsher parent->txchan_per_port[i] = tx_chans_per_1g; 8675e689cf4aSJeff Kirsher } 8676e689cf4aSJeff Kirsher pr_info("niu%d: Port %u [%u RX chans] [%u TX chans]\n", 8677e689cf4aSJeff Kirsher parent->index, i, 8678e689cf4aSJeff Kirsher parent->rxchan_per_port[i], 8679e689cf4aSJeff Kirsher parent->txchan_per_port[i]); 8680e689cf4aSJeff Kirsher tot_rx += parent->rxchan_per_port[i]; 8681e689cf4aSJeff Kirsher tot_tx += parent->txchan_per_port[i]; 8682e689cf4aSJeff Kirsher } 8683e689cf4aSJeff Kirsher 8684e689cf4aSJeff Kirsher if (tot_rx > NIU_NUM_RXCHAN) { 8685e689cf4aSJeff Kirsher pr_err("niu%d: Too many RX channels (%d), resetting to one per port\n", 8686e689cf4aSJeff Kirsher parent->index, tot_rx); 8687e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) 8688e689cf4aSJeff Kirsher parent->rxchan_per_port[i] = 1; 8689e689cf4aSJeff Kirsher } 8690e689cf4aSJeff Kirsher if (tot_tx > NIU_NUM_TXCHAN) { 8691e689cf4aSJeff Kirsher pr_err("niu%d: Too many TX channels (%d), resetting to one per port\n", 8692e689cf4aSJeff Kirsher parent->index, tot_tx); 8693e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) 8694e689cf4aSJeff Kirsher parent->txchan_per_port[i] = 1; 8695e689cf4aSJeff Kirsher } 8696e689cf4aSJeff Kirsher if (tot_rx < NIU_NUM_RXCHAN || tot_tx < NIU_NUM_TXCHAN) { 8697fe3881cfSJoe Perches pr_warn("niu%d: Driver bug, wasted channels, RX[%d] TX[%d]\n", 8698e689cf4aSJeff Kirsher parent->index, tot_rx, tot_tx); 8699e689cf4aSJeff Kirsher } 8700e689cf4aSJeff Kirsher } 8701e689cf4aSJeff Kirsher 8702f73d12bdSBill Pemberton static void niu_divide_rdc_groups(struct niu_parent *parent, 8703e689cf4aSJeff Kirsher int num_10g, int num_1g) 8704e689cf4aSJeff Kirsher { 8705e689cf4aSJeff Kirsher int i, num_ports = parent->num_ports; 8706e689cf4aSJeff Kirsher int rdc_group, rdc_groups_per_port; 8707e689cf4aSJeff Kirsher int rdc_channel_base; 8708e689cf4aSJeff Kirsher 8709e689cf4aSJeff Kirsher rdc_group = 0; 8710e689cf4aSJeff Kirsher rdc_groups_per_port = NIU_NUM_RDC_TABLES / num_ports; 8711e689cf4aSJeff Kirsher 8712e689cf4aSJeff Kirsher rdc_channel_base = 0; 8713e689cf4aSJeff Kirsher 8714e689cf4aSJeff Kirsher for (i = 0; i < num_ports; i++) { 8715e689cf4aSJeff Kirsher struct niu_rdc_tables *tp = &parent->rdc_group_cfg[i]; 8716e689cf4aSJeff Kirsher int grp, num_channels = parent->rxchan_per_port[i]; 8717e689cf4aSJeff Kirsher int this_channel_offset; 8718e689cf4aSJeff Kirsher 8719e689cf4aSJeff Kirsher tp->first_table_num = rdc_group; 8720e689cf4aSJeff Kirsher tp->num_tables = rdc_groups_per_port; 8721e689cf4aSJeff Kirsher this_channel_offset = 0; 8722e689cf4aSJeff Kirsher for (grp = 0; grp < tp->num_tables; grp++) { 8723e689cf4aSJeff Kirsher struct rdc_table *rt = &tp->tables[grp]; 8724e689cf4aSJeff Kirsher int slot; 8725e689cf4aSJeff Kirsher 8726e689cf4aSJeff Kirsher pr_info("niu%d: Port %d RDC tbl(%d) [ ", 8727e689cf4aSJeff Kirsher parent->index, i, tp->first_table_num + grp); 8728e689cf4aSJeff Kirsher for (slot = 0; slot < NIU_RDC_TABLE_SLOTS; slot++) { 8729e689cf4aSJeff Kirsher rt->rxdma_channel[slot] = 8730e689cf4aSJeff Kirsher rdc_channel_base + this_channel_offset; 8731e689cf4aSJeff Kirsher 8732e689cf4aSJeff Kirsher pr_cont("%d ", rt->rxdma_channel[slot]); 8733e689cf4aSJeff Kirsher 8734e689cf4aSJeff Kirsher if (++this_channel_offset == num_channels) 8735e689cf4aSJeff Kirsher this_channel_offset = 0; 8736e689cf4aSJeff Kirsher } 8737e689cf4aSJeff Kirsher pr_cont("]\n"); 8738e689cf4aSJeff Kirsher } 8739e689cf4aSJeff Kirsher 8740e689cf4aSJeff Kirsher parent->rdc_default[i] = rdc_channel_base; 8741e689cf4aSJeff Kirsher 8742e689cf4aSJeff Kirsher rdc_channel_base += num_channels; 8743e689cf4aSJeff Kirsher rdc_group += rdc_groups_per_port; 8744e689cf4aSJeff Kirsher } 8745e689cf4aSJeff Kirsher } 8746e689cf4aSJeff Kirsher 87471dd06ae8SGreg Kroah-Hartman static int fill_phy_probe_info(struct niu *np, struct niu_parent *parent, 8748e689cf4aSJeff Kirsher struct phy_probe_info *info) 8749e689cf4aSJeff Kirsher { 8750e689cf4aSJeff Kirsher unsigned long flags; 8751e689cf4aSJeff Kirsher int port, err; 8752e689cf4aSJeff Kirsher 8753e689cf4aSJeff Kirsher memset(info, 0, sizeof(*info)); 8754e689cf4aSJeff Kirsher 8755e689cf4aSJeff Kirsher /* Port 0 to 7 are reserved for onboard Serdes, probe the rest. */ 8756e689cf4aSJeff Kirsher niu_lock_parent(np, flags); 8757e689cf4aSJeff Kirsher err = 0; 8758e689cf4aSJeff Kirsher for (port = 8; port < 32; port++) { 8759e689cf4aSJeff Kirsher int dev_id_1, dev_id_2; 8760e689cf4aSJeff Kirsher 8761e689cf4aSJeff Kirsher dev_id_1 = mdio_read(np, port, 8762e689cf4aSJeff Kirsher NIU_PMA_PMD_DEV_ADDR, MII_PHYSID1); 8763e689cf4aSJeff Kirsher dev_id_2 = mdio_read(np, port, 8764e689cf4aSJeff Kirsher NIU_PMA_PMD_DEV_ADDR, MII_PHYSID2); 8765e689cf4aSJeff Kirsher err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8766e689cf4aSJeff Kirsher PHY_TYPE_PMA_PMD); 8767e689cf4aSJeff Kirsher if (err) 8768e689cf4aSJeff Kirsher break; 8769e689cf4aSJeff Kirsher dev_id_1 = mdio_read(np, port, 8770e689cf4aSJeff Kirsher NIU_PCS_DEV_ADDR, MII_PHYSID1); 8771e689cf4aSJeff Kirsher dev_id_2 = mdio_read(np, port, 8772e689cf4aSJeff Kirsher NIU_PCS_DEV_ADDR, MII_PHYSID2); 8773e689cf4aSJeff Kirsher err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8774e689cf4aSJeff Kirsher PHY_TYPE_PCS); 8775e689cf4aSJeff Kirsher if (err) 8776e689cf4aSJeff Kirsher break; 8777e689cf4aSJeff Kirsher dev_id_1 = mii_read(np, port, MII_PHYSID1); 8778e689cf4aSJeff Kirsher dev_id_2 = mii_read(np, port, MII_PHYSID2); 8779e689cf4aSJeff Kirsher err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8780e689cf4aSJeff Kirsher PHY_TYPE_MII); 8781e689cf4aSJeff Kirsher if (err) 8782e689cf4aSJeff Kirsher break; 8783e689cf4aSJeff Kirsher } 8784e689cf4aSJeff Kirsher niu_unlock_parent(np, flags); 8785e689cf4aSJeff Kirsher 8786e689cf4aSJeff Kirsher return err; 8787e689cf4aSJeff Kirsher } 8788e689cf4aSJeff Kirsher 8789f73d12bdSBill Pemberton static int walk_phys(struct niu *np, struct niu_parent *parent) 8790e689cf4aSJeff Kirsher { 8791e689cf4aSJeff Kirsher struct phy_probe_info *info = &parent->phy_probe_info; 8792e689cf4aSJeff Kirsher int lowest_10g, lowest_1g; 8793e689cf4aSJeff Kirsher int num_10g, num_1g; 8794e689cf4aSJeff Kirsher u32 val; 8795e689cf4aSJeff Kirsher int err; 8796e689cf4aSJeff Kirsher 8797e689cf4aSJeff Kirsher num_10g = num_1g = 0; 8798e689cf4aSJeff Kirsher 8799e689cf4aSJeff Kirsher if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) || 8800e689cf4aSJeff Kirsher !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) { 8801e689cf4aSJeff Kirsher num_10g = 0; 8802e689cf4aSJeff Kirsher num_1g = 2; 8803e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_ATCA_CP3220; 8804e689cf4aSJeff Kirsher parent->num_ports = 4; 8805e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_1G, 0) | 8806e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 1) | 8807e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8808e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8809e689cf4aSJeff Kirsher } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) { 8810e689cf4aSJeff Kirsher num_10g = 2; 8811e689cf4aSJeff Kirsher num_1g = 0; 8812e689cf4aSJeff Kirsher parent->num_ports = 2; 8813e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8814e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1)); 8815e689cf4aSJeff Kirsher } else if ((np->flags & NIU_FLAGS_XCVR_SERDES) && 8816e689cf4aSJeff Kirsher (parent->plat_type == PLAT_TYPE_NIU)) { 8817e689cf4aSJeff Kirsher /* this is the Monza case */ 8818e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_10G) { 8819e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8820e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1)); 8821e689cf4aSJeff Kirsher } else { 8822e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_1G, 0) | 8823e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 1)); 8824e689cf4aSJeff Kirsher } 8825e689cf4aSJeff Kirsher } else { 8826e689cf4aSJeff Kirsher err = fill_phy_probe_info(np, parent, info); 8827e689cf4aSJeff Kirsher if (err) 8828e689cf4aSJeff Kirsher return err; 8829e689cf4aSJeff Kirsher 8830e689cf4aSJeff Kirsher num_10g = count_10g_ports(info, &lowest_10g); 8831e689cf4aSJeff Kirsher num_1g = count_1g_ports(info, &lowest_1g); 8832e689cf4aSJeff Kirsher 8833e689cf4aSJeff Kirsher switch ((num_10g << 4) | num_1g) { 8834e689cf4aSJeff Kirsher case 0x24: 8835e689cf4aSJeff Kirsher if (lowest_1g == 10) 8836e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P0; 8837e689cf4aSJeff Kirsher else if (lowest_1g == 26) 8838e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P1; 8839e689cf4aSJeff Kirsher else 8840e689cf4aSJeff Kirsher goto unknown_vg_1g_port; 8841e689cf4aSJeff Kirsher 8842df561f66SGustavo A. R. Silva fallthrough; 8843e689cf4aSJeff Kirsher case 0x22: 8844e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8845e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1) | 8846e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8847e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8848e689cf4aSJeff Kirsher break; 8849e689cf4aSJeff Kirsher 8850e689cf4aSJeff Kirsher case 0x20: 8851e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8852e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1)); 8853e689cf4aSJeff Kirsher break; 8854e689cf4aSJeff Kirsher 8855e689cf4aSJeff Kirsher case 0x10: 8856e689cf4aSJeff Kirsher val = phy_encode(PORT_TYPE_10G, np->port); 8857e689cf4aSJeff Kirsher break; 8858e689cf4aSJeff Kirsher 8859e689cf4aSJeff Kirsher case 0x14: 8860e689cf4aSJeff Kirsher if (lowest_1g == 10) 8861e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P0; 8862e689cf4aSJeff Kirsher else if (lowest_1g == 26) 8863e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P1; 8864e689cf4aSJeff Kirsher else 8865e689cf4aSJeff Kirsher goto unknown_vg_1g_port; 8866e689cf4aSJeff Kirsher 8867df561f66SGustavo A. R. Silva fallthrough; 8868e689cf4aSJeff Kirsher case 0x13: 8869e689cf4aSJeff Kirsher if ((lowest_10g & 0x7) == 0) 8870e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_10G, 0) | 8871e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 1) | 8872e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8873e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8874e689cf4aSJeff Kirsher else 8875e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_1G, 0) | 8876e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_10G, 1) | 8877e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8878e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8879e689cf4aSJeff Kirsher break; 8880e689cf4aSJeff Kirsher 8881e689cf4aSJeff Kirsher case 0x04: 8882e689cf4aSJeff Kirsher if (lowest_1g == 10) 8883e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P0; 8884e689cf4aSJeff Kirsher else if (lowest_1g == 26) 8885e689cf4aSJeff Kirsher parent->plat_type = PLAT_TYPE_VF_P1; 8886e689cf4aSJeff Kirsher else 8887e689cf4aSJeff Kirsher goto unknown_vg_1g_port; 8888e689cf4aSJeff Kirsher 8889e689cf4aSJeff Kirsher val = (phy_encode(PORT_TYPE_1G, 0) | 8890e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 1) | 8891e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 2) | 8892e689cf4aSJeff Kirsher phy_encode(PORT_TYPE_1G, 3)); 8893e689cf4aSJeff Kirsher break; 8894e689cf4aSJeff Kirsher 8895e689cf4aSJeff Kirsher default: 8896e689cf4aSJeff Kirsher pr_err("Unsupported port config 10G[%d] 1G[%d]\n", 8897e689cf4aSJeff Kirsher num_10g, num_1g); 8898e689cf4aSJeff Kirsher return -EINVAL; 8899e689cf4aSJeff Kirsher } 8900e689cf4aSJeff Kirsher } 8901e689cf4aSJeff Kirsher 8902e689cf4aSJeff Kirsher parent->port_phy = val; 8903e689cf4aSJeff Kirsher 8904e689cf4aSJeff Kirsher if (parent->plat_type == PLAT_TYPE_NIU) 8905e689cf4aSJeff Kirsher niu_n2_divide_channels(parent); 8906e689cf4aSJeff Kirsher else 8907e689cf4aSJeff Kirsher niu_divide_channels(parent, num_10g, num_1g); 8908e689cf4aSJeff Kirsher 8909e689cf4aSJeff Kirsher niu_divide_rdc_groups(parent, num_10g, num_1g); 8910e689cf4aSJeff Kirsher 8911e689cf4aSJeff Kirsher return 0; 8912e689cf4aSJeff Kirsher 8913e689cf4aSJeff Kirsher unknown_vg_1g_port: 8914e689cf4aSJeff Kirsher pr_err("Cannot identify platform type, 1gport=%d\n", lowest_1g); 8915e689cf4aSJeff Kirsher return -EINVAL; 8916e689cf4aSJeff Kirsher } 8917e689cf4aSJeff Kirsher 8918f73d12bdSBill Pemberton static int niu_probe_ports(struct niu *np) 8919e689cf4aSJeff Kirsher { 8920e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 8921e689cf4aSJeff Kirsher int err, i; 8922e689cf4aSJeff Kirsher 8923e689cf4aSJeff Kirsher if (parent->port_phy == PORT_PHY_UNKNOWN) { 8924e689cf4aSJeff Kirsher err = walk_phys(np, parent); 8925e689cf4aSJeff Kirsher if (err) 8926e689cf4aSJeff Kirsher return err; 8927e689cf4aSJeff Kirsher 8928e689cf4aSJeff Kirsher niu_set_ldg_timer_res(np, 2); 8929e689cf4aSJeff Kirsher for (i = 0; i <= LDN_MAX; i++) 8930e689cf4aSJeff Kirsher niu_ldn_irq_enable(np, i, 0); 8931e689cf4aSJeff Kirsher } 8932e689cf4aSJeff Kirsher 8933e689cf4aSJeff Kirsher if (parent->port_phy == PORT_PHY_INVALID) 8934e689cf4aSJeff Kirsher return -EINVAL; 8935e689cf4aSJeff Kirsher 8936e689cf4aSJeff Kirsher return 0; 8937e689cf4aSJeff Kirsher } 8938e689cf4aSJeff Kirsher 8939f73d12bdSBill Pemberton static int niu_classifier_swstate_init(struct niu *np) 8940e689cf4aSJeff Kirsher { 8941e689cf4aSJeff Kirsher struct niu_classifier *cp = &np->clas; 8942e689cf4aSJeff Kirsher 8943e689cf4aSJeff Kirsher cp->tcam_top = (u16) np->port; 8944e689cf4aSJeff Kirsher cp->tcam_sz = np->parent->tcam_num_entries / np->parent->num_ports; 8945e689cf4aSJeff Kirsher cp->h1_init = 0xffffffff; 8946e689cf4aSJeff Kirsher cp->h2_init = 0xffff; 8947e689cf4aSJeff Kirsher 8948e689cf4aSJeff Kirsher return fflp_early_init(np); 8949e689cf4aSJeff Kirsher } 8950e689cf4aSJeff Kirsher 8951f73d12bdSBill Pemberton static void niu_link_config_init(struct niu *np) 8952e689cf4aSJeff Kirsher { 8953e689cf4aSJeff Kirsher struct niu_link_config *lp = &np->link_config; 8954e689cf4aSJeff Kirsher 8955e689cf4aSJeff Kirsher lp->advertising = (ADVERTISED_10baseT_Half | 8956e689cf4aSJeff Kirsher ADVERTISED_10baseT_Full | 8957e689cf4aSJeff Kirsher ADVERTISED_100baseT_Half | 8958e689cf4aSJeff Kirsher ADVERTISED_100baseT_Full | 8959e689cf4aSJeff Kirsher ADVERTISED_1000baseT_Half | 8960e689cf4aSJeff Kirsher ADVERTISED_1000baseT_Full | 8961e689cf4aSJeff Kirsher ADVERTISED_10000baseT_Full | 8962e689cf4aSJeff Kirsher ADVERTISED_Autoneg); 8963e689cf4aSJeff Kirsher lp->speed = lp->active_speed = SPEED_INVALID; 8964e689cf4aSJeff Kirsher lp->duplex = DUPLEX_FULL; 8965e689cf4aSJeff Kirsher lp->active_duplex = DUPLEX_INVALID; 8966e689cf4aSJeff Kirsher lp->autoneg = 1; 8967e689cf4aSJeff Kirsher #if 0 8968e689cf4aSJeff Kirsher lp->loopback_mode = LOOPBACK_MAC; 8969e689cf4aSJeff Kirsher lp->active_speed = SPEED_10000; 8970e689cf4aSJeff Kirsher lp->active_duplex = DUPLEX_FULL; 8971e689cf4aSJeff Kirsher #else 8972e689cf4aSJeff Kirsher lp->loopback_mode = LOOPBACK_DISABLED; 8973e689cf4aSJeff Kirsher #endif 8974e689cf4aSJeff Kirsher } 8975e689cf4aSJeff Kirsher 8976f73d12bdSBill Pemberton static int niu_init_mac_ipp_pcs_base(struct niu *np) 8977e689cf4aSJeff Kirsher { 8978e689cf4aSJeff Kirsher switch (np->port) { 8979e689cf4aSJeff Kirsher case 0: 8980e689cf4aSJeff Kirsher np->mac_regs = np->regs + XMAC_PORT0_OFF; 8981e689cf4aSJeff Kirsher np->ipp_off = 0x00000; 8982e689cf4aSJeff Kirsher np->pcs_off = 0x04000; 8983e689cf4aSJeff Kirsher np->xpcs_off = 0x02000; 8984e689cf4aSJeff Kirsher break; 8985e689cf4aSJeff Kirsher 8986e689cf4aSJeff Kirsher case 1: 8987e689cf4aSJeff Kirsher np->mac_regs = np->regs + XMAC_PORT1_OFF; 8988e689cf4aSJeff Kirsher np->ipp_off = 0x08000; 8989e689cf4aSJeff Kirsher np->pcs_off = 0x0a000; 8990e689cf4aSJeff Kirsher np->xpcs_off = 0x08000; 8991e689cf4aSJeff Kirsher break; 8992e689cf4aSJeff Kirsher 8993e689cf4aSJeff Kirsher case 2: 8994e689cf4aSJeff Kirsher np->mac_regs = np->regs + BMAC_PORT2_OFF; 8995e689cf4aSJeff Kirsher np->ipp_off = 0x04000; 8996e689cf4aSJeff Kirsher np->pcs_off = 0x0e000; 8997e689cf4aSJeff Kirsher np->xpcs_off = ~0UL; 8998e689cf4aSJeff Kirsher break; 8999e689cf4aSJeff Kirsher 9000e689cf4aSJeff Kirsher case 3: 9001e689cf4aSJeff Kirsher np->mac_regs = np->regs + BMAC_PORT3_OFF; 9002e689cf4aSJeff Kirsher np->ipp_off = 0x0c000; 9003e689cf4aSJeff Kirsher np->pcs_off = 0x12000; 9004e689cf4aSJeff Kirsher np->xpcs_off = ~0UL; 9005e689cf4aSJeff Kirsher break; 9006e689cf4aSJeff Kirsher 9007e689cf4aSJeff Kirsher default: 9008e689cf4aSJeff Kirsher dev_err(np->device, "Port %u is invalid, cannot compute MAC block offset\n", np->port); 9009e689cf4aSJeff Kirsher return -EINVAL; 9010e689cf4aSJeff Kirsher } 9011e689cf4aSJeff Kirsher 9012e689cf4aSJeff Kirsher return 0; 9013e689cf4aSJeff Kirsher } 9014e689cf4aSJeff Kirsher 9015f73d12bdSBill Pemberton static void niu_try_msix(struct niu *np, u8 *ldg_num_map) 9016e689cf4aSJeff Kirsher { 9017e689cf4aSJeff Kirsher struct msix_entry msi_vec[NIU_NUM_LDG]; 9018e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 9019e689cf4aSJeff Kirsher struct pci_dev *pdev = np->pdev; 90209e7df17eSAlexander Gordeev int i, num_irqs; 9021e689cf4aSJeff Kirsher u8 first_ldg; 9022e689cf4aSJeff Kirsher 9023e689cf4aSJeff Kirsher first_ldg = (NIU_NUM_LDG / parent->num_ports) * np->port; 9024e689cf4aSJeff Kirsher for (i = 0; i < (NIU_NUM_LDG / parent->num_ports); i++) 9025e689cf4aSJeff Kirsher ldg_num_map[i] = first_ldg + i; 9026e689cf4aSJeff Kirsher 9027e689cf4aSJeff Kirsher num_irqs = (parent->rxchan_per_port[np->port] + 9028e689cf4aSJeff Kirsher parent->txchan_per_port[np->port] + 9029e689cf4aSJeff Kirsher (np->port == 0 ? 3 : 1)); 9030e689cf4aSJeff Kirsher BUG_ON(num_irqs > (NIU_NUM_LDG / parent->num_ports)); 9031e689cf4aSJeff Kirsher 9032e689cf4aSJeff Kirsher for (i = 0; i < num_irqs; i++) { 9033e689cf4aSJeff Kirsher msi_vec[i].vector = 0; 9034e689cf4aSJeff Kirsher msi_vec[i].entry = i; 9035e689cf4aSJeff Kirsher } 9036e689cf4aSJeff Kirsher 90379e7df17eSAlexander Gordeev num_irqs = pci_enable_msix_range(pdev, msi_vec, 1, num_irqs); 90389e7df17eSAlexander Gordeev if (num_irqs < 0) { 9039e689cf4aSJeff Kirsher np->flags &= ~NIU_FLAGS_MSIX; 9040e689cf4aSJeff Kirsher return; 9041e689cf4aSJeff Kirsher } 9042e689cf4aSJeff Kirsher 9043e689cf4aSJeff Kirsher np->flags |= NIU_FLAGS_MSIX; 9044e689cf4aSJeff Kirsher for (i = 0; i < num_irqs; i++) 9045e689cf4aSJeff Kirsher np->ldg[i].irq = msi_vec[i].vector; 9046e689cf4aSJeff Kirsher np->num_ldg = num_irqs; 9047e689cf4aSJeff Kirsher } 9048e689cf4aSJeff Kirsher 9049f73d12bdSBill Pemberton static int niu_n2_irq_init(struct niu *np, u8 *ldg_num_map) 9050e689cf4aSJeff Kirsher { 9051e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 9052e689cf4aSJeff Kirsher struct platform_device *op = np->op; 9053e689cf4aSJeff Kirsher const u32 *int_prop; 9054e689cf4aSJeff Kirsher int i; 9055e689cf4aSJeff Kirsher 9056e689cf4aSJeff Kirsher int_prop = of_get_property(op->dev.of_node, "interrupts", NULL); 9057e689cf4aSJeff Kirsher if (!int_prop) 9058e689cf4aSJeff Kirsher return -ENODEV; 9059e689cf4aSJeff Kirsher 9060e689cf4aSJeff Kirsher for (i = 0; i < op->archdata.num_irqs; i++) { 9061e689cf4aSJeff Kirsher ldg_num_map[i] = int_prop[i]; 9062e689cf4aSJeff Kirsher np->ldg[i].irq = op->archdata.irqs[i]; 9063e689cf4aSJeff Kirsher } 9064e689cf4aSJeff Kirsher 9065e689cf4aSJeff Kirsher np->num_ldg = op->archdata.num_irqs; 9066e689cf4aSJeff Kirsher 9067e689cf4aSJeff Kirsher return 0; 9068e689cf4aSJeff Kirsher #else 9069e689cf4aSJeff Kirsher return -EINVAL; 9070e689cf4aSJeff Kirsher #endif 9071e689cf4aSJeff Kirsher } 9072e689cf4aSJeff Kirsher 9073f73d12bdSBill Pemberton static int niu_ldg_init(struct niu *np) 9074e689cf4aSJeff Kirsher { 9075e689cf4aSJeff Kirsher struct niu_parent *parent = np->parent; 9076e689cf4aSJeff Kirsher u8 ldg_num_map[NIU_NUM_LDG]; 9077e689cf4aSJeff Kirsher int first_chan, num_chan; 9078e689cf4aSJeff Kirsher int i, err, ldg_rotor; 9079e689cf4aSJeff Kirsher u8 port; 9080e689cf4aSJeff Kirsher 9081e689cf4aSJeff Kirsher np->num_ldg = 1; 9082e689cf4aSJeff Kirsher np->ldg[0].irq = np->dev->irq; 9083e689cf4aSJeff Kirsher if (parent->plat_type == PLAT_TYPE_NIU) { 9084e689cf4aSJeff Kirsher err = niu_n2_irq_init(np, ldg_num_map); 9085e689cf4aSJeff Kirsher if (err) 9086e689cf4aSJeff Kirsher return err; 9087e689cf4aSJeff Kirsher } else 9088e689cf4aSJeff Kirsher niu_try_msix(np, ldg_num_map); 9089e689cf4aSJeff Kirsher 9090e689cf4aSJeff Kirsher port = np->port; 9091e689cf4aSJeff Kirsher for (i = 0; i < np->num_ldg; i++) { 9092e689cf4aSJeff Kirsher struct niu_ldg *lp = &np->ldg[i]; 9093e689cf4aSJeff Kirsher 9094e689cf4aSJeff Kirsher netif_napi_add(np->dev, &lp->napi, niu_poll, 64); 9095e689cf4aSJeff Kirsher 9096e689cf4aSJeff Kirsher lp->np = np; 9097e689cf4aSJeff Kirsher lp->ldg_num = ldg_num_map[i]; 9098e689cf4aSJeff Kirsher lp->timer = 2; /* XXX */ 9099e689cf4aSJeff Kirsher 9100e689cf4aSJeff Kirsher /* On N2 NIU the firmware has setup the SID mappings so they go 9101e689cf4aSJeff Kirsher * to the correct values that will route the LDG to the proper 9102e689cf4aSJeff Kirsher * interrupt in the NCU interrupt table. 9103e689cf4aSJeff Kirsher */ 9104e689cf4aSJeff Kirsher if (np->parent->plat_type != PLAT_TYPE_NIU) { 9105e689cf4aSJeff Kirsher err = niu_set_ldg_sid(np, lp->ldg_num, port, i); 9106e689cf4aSJeff Kirsher if (err) 9107e689cf4aSJeff Kirsher return err; 9108e689cf4aSJeff Kirsher } 9109e689cf4aSJeff Kirsher } 9110e689cf4aSJeff Kirsher 9111e689cf4aSJeff Kirsher /* We adopt the LDG assignment ordering used by the N2 NIU 9112e689cf4aSJeff Kirsher * 'interrupt' properties because that simplifies a lot of 9113e689cf4aSJeff Kirsher * things. This ordering is: 9114e689cf4aSJeff Kirsher * 9115e689cf4aSJeff Kirsher * MAC 9116e689cf4aSJeff Kirsher * MIF (if port zero) 9117e689cf4aSJeff Kirsher * SYSERR (if port zero) 9118e689cf4aSJeff Kirsher * RX channels 9119e689cf4aSJeff Kirsher * TX channels 9120e689cf4aSJeff Kirsher */ 9121e689cf4aSJeff Kirsher 9122e689cf4aSJeff Kirsher ldg_rotor = 0; 9123e689cf4aSJeff Kirsher 9124e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, ldg_num_map[ldg_rotor], 9125e689cf4aSJeff Kirsher LDN_MAC(port)); 9126e689cf4aSJeff Kirsher if (err) 9127e689cf4aSJeff Kirsher return err; 9128e689cf4aSJeff Kirsher 9129e689cf4aSJeff Kirsher ldg_rotor++; 9130e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9131e689cf4aSJeff Kirsher ldg_rotor = 0; 9132e689cf4aSJeff Kirsher 9133e689cf4aSJeff Kirsher if (port == 0) { 9134e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, 9135e689cf4aSJeff Kirsher ldg_num_map[ldg_rotor], 9136e689cf4aSJeff Kirsher LDN_MIF); 9137e689cf4aSJeff Kirsher if (err) 9138e689cf4aSJeff Kirsher return err; 9139e689cf4aSJeff Kirsher 9140e689cf4aSJeff Kirsher ldg_rotor++; 9141e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9142e689cf4aSJeff Kirsher ldg_rotor = 0; 9143e689cf4aSJeff Kirsher 9144e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, 9145e689cf4aSJeff Kirsher ldg_num_map[ldg_rotor], 9146e689cf4aSJeff Kirsher LDN_DEVICE_ERROR); 9147e689cf4aSJeff Kirsher if (err) 9148e689cf4aSJeff Kirsher return err; 9149e689cf4aSJeff Kirsher 9150e689cf4aSJeff Kirsher ldg_rotor++; 9151e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9152e689cf4aSJeff Kirsher ldg_rotor = 0; 9153e689cf4aSJeff Kirsher 9154e689cf4aSJeff Kirsher } 9155e689cf4aSJeff Kirsher 9156e689cf4aSJeff Kirsher first_chan = 0; 9157e689cf4aSJeff Kirsher for (i = 0; i < port; i++) 9158e689cf4aSJeff Kirsher first_chan += parent->rxchan_per_port[i]; 9159e689cf4aSJeff Kirsher num_chan = parent->rxchan_per_port[port]; 9160e689cf4aSJeff Kirsher 9161e689cf4aSJeff Kirsher for (i = first_chan; i < (first_chan + num_chan); i++) { 9162e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, 9163e689cf4aSJeff Kirsher ldg_num_map[ldg_rotor], 9164e689cf4aSJeff Kirsher LDN_RXDMA(i)); 9165e689cf4aSJeff Kirsher if (err) 9166e689cf4aSJeff Kirsher return err; 9167e689cf4aSJeff Kirsher ldg_rotor++; 9168e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9169e689cf4aSJeff Kirsher ldg_rotor = 0; 9170e689cf4aSJeff Kirsher } 9171e689cf4aSJeff Kirsher 9172e689cf4aSJeff Kirsher first_chan = 0; 9173e689cf4aSJeff Kirsher for (i = 0; i < port; i++) 9174e689cf4aSJeff Kirsher first_chan += parent->txchan_per_port[i]; 9175e689cf4aSJeff Kirsher num_chan = parent->txchan_per_port[port]; 9176e689cf4aSJeff Kirsher for (i = first_chan; i < (first_chan + num_chan); i++) { 9177e689cf4aSJeff Kirsher err = niu_ldg_assign_ldn(np, parent, 9178e689cf4aSJeff Kirsher ldg_num_map[ldg_rotor], 9179e689cf4aSJeff Kirsher LDN_TXDMA(i)); 9180e689cf4aSJeff Kirsher if (err) 9181e689cf4aSJeff Kirsher return err; 9182e689cf4aSJeff Kirsher ldg_rotor++; 9183e689cf4aSJeff Kirsher if (ldg_rotor == np->num_ldg) 9184e689cf4aSJeff Kirsher ldg_rotor = 0; 9185e689cf4aSJeff Kirsher } 9186e689cf4aSJeff Kirsher 9187e689cf4aSJeff Kirsher return 0; 9188e689cf4aSJeff Kirsher } 9189e689cf4aSJeff Kirsher 9190f73d12bdSBill Pemberton static void niu_ldg_free(struct niu *np) 9191e689cf4aSJeff Kirsher { 9192e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_MSIX) 9193e689cf4aSJeff Kirsher pci_disable_msix(np->pdev); 9194e689cf4aSJeff Kirsher } 9195e689cf4aSJeff Kirsher 9196f73d12bdSBill Pemberton static int niu_get_of_props(struct niu *np) 9197e689cf4aSJeff Kirsher { 9198e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 9199e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 9200e689cf4aSJeff Kirsher struct device_node *dp; 9201e689cf4aSJeff Kirsher const char *phy_type; 9202e689cf4aSJeff Kirsher const u8 *mac_addr; 9203e689cf4aSJeff Kirsher const char *model; 9204e689cf4aSJeff Kirsher int prop_len; 9205e689cf4aSJeff Kirsher 9206e689cf4aSJeff Kirsher if (np->parent->plat_type == PLAT_TYPE_NIU) 9207e689cf4aSJeff Kirsher dp = np->op->dev.of_node; 9208e689cf4aSJeff Kirsher else 9209e689cf4aSJeff Kirsher dp = pci_device_to_OF_node(np->pdev); 9210e689cf4aSJeff Kirsher 9211451395f7SMartin Kaiser phy_type = of_get_property(dp, "phy-type", NULL); 9212e689cf4aSJeff Kirsher if (!phy_type) { 9213f7ce9103SRob Herring netdev_err(dev, "%pOF: OF node lacks phy-type property\n", dp); 9214e689cf4aSJeff Kirsher return -EINVAL; 9215e689cf4aSJeff Kirsher } 9216e689cf4aSJeff Kirsher 9217e689cf4aSJeff Kirsher if (!strcmp(phy_type, "none")) 9218e689cf4aSJeff Kirsher return -ENODEV; 9219e689cf4aSJeff Kirsher 9220e689cf4aSJeff Kirsher strcpy(np->vpd.phy_type, phy_type); 9221e689cf4aSJeff Kirsher 9222e689cf4aSJeff Kirsher if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) { 9223f7ce9103SRob Herring netdev_err(dev, "%pOF: Illegal phy string [%s]\n", 9224f7ce9103SRob Herring dp, np->vpd.phy_type); 9225e689cf4aSJeff Kirsher return -EINVAL; 9226e689cf4aSJeff Kirsher } 9227e689cf4aSJeff Kirsher 9228e689cf4aSJeff Kirsher mac_addr = of_get_property(dp, "local-mac-address", &prop_len); 9229e689cf4aSJeff Kirsher if (!mac_addr) { 9230f7ce9103SRob Herring netdev_err(dev, "%pOF: OF node lacks local-mac-address property\n", 9231f7ce9103SRob Herring dp); 9232e689cf4aSJeff Kirsher return -EINVAL; 9233e689cf4aSJeff Kirsher } 9234e689cf4aSJeff Kirsher if (prop_len != dev->addr_len) { 9235f7ce9103SRob Herring netdev_err(dev, "%pOF: OF MAC address prop len (%d) is wrong\n", 9236f7ce9103SRob Herring dp, prop_len); 9237e689cf4aSJeff Kirsher } 9238aaeb6cdfSJiri Pirko memcpy(dev->dev_addr, mac_addr, dev->addr_len); 9239aaeb6cdfSJiri Pirko if (!is_valid_ether_addr(&dev->dev_addr[0])) { 9240f7ce9103SRob Herring netdev_err(dev, "%pOF: OF MAC address is invalid\n", dp); 9241f7ce9103SRob Herring netdev_err(dev, "%pOF: [ %pM ]\n", dp, dev->dev_addr); 9242e689cf4aSJeff Kirsher return -EINVAL; 9243e689cf4aSJeff Kirsher } 9244e689cf4aSJeff Kirsher 9245451395f7SMartin Kaiser model = of_get_property(dp, "model", NULL); 9246e689cf4aSJeff Kirsher 9247e689cf4aSJeff Kirsher if (model) 9248e689cf4aSJeff Kirsher strcpy(np->vpd.model, model); 9249e689cf4aSJeff Kirsher 9250451395f7SMartin Kaiser if (of_find_property(dp, "hot-swappable-phy", NULL)) { 9251e689cf4aSJeff Kirsher np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER | 9252e689cf4aSJeff Kirsher NIU_FLAGS_HOTPLUG_PHY); 9253e689cf4aSJeff Kirsher } 9254e689cf4aSJeff Kirsher 9255e689cf4aSJeff Kirsher return 0; 9256e689cf4aSJeff Kirsher #else 9257e689cf4aSJeff Kirsher return -EINVAL; 9258e689cf4aSJeff Kirsher #endif 9259e689cf4aSJeff Kirsher } 9260e689cf4aSJeff Kirsher 9261f73d12bdSBill Pemberton static int niu_get_invariants(struct niu *np) 9262e689cf4aSJeff Kirsher { 9263e689cf4aSJeff Kirsher int err, have_props; 9264e689cf4aSJeff Kirsher u32 offset; 9265e689cf4aSJeff Kirsher 9266e689cf4aSJeff Kirsher err = niu_get_of_props(np); 9267e689cf4aSJeff Kirsher if (err == -ENODEV) 9268e689cf4aSJeff Kirsher return err; 9269e689cf4aSJeff Kirsher 9270e689cf4aSJeff Kirsher have_props = !err; 9271e689cf4aSJeff Kirsher 9272e689cf4aSJeff Kirsher err = niu_init_mac_ipp_pcs_base(np); 9273e689cf4aSJeff Kirsher if (err) 9274e689cf4aSJeff Kirsher return err; 9275e689cf4aSJeff Kirsher 9276e689cf4aSJeff Kirsher if (have_props) { 9277e689cf4aSJeff Kirsher err = niu_get_and_validate_port(np); 9278e689cf4aSJeff Kirsher if (err) 9279e689cf4aSJeff Kirsher return err; 9280e689cf4aSJeff Kirsher 9281e689cf4aSJeff Kirsher } else { 9282e689cf4aSJeff Kirsher if (np->parent->plat_type == PLAT_TYPE_NIU) 9283e689cf4aSJeff Kirsher return -EINVAL; 9284e689cf4aSJeff Kirsher 9285e689cf4aSJeff Kirsher nw64(ESPC_PIO_EN, ESPC_PIO_EN_ENABLE); 9286e689cf4aSJeff Kirsher offset = niu_pci_vpd_offset(np); 9287e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 9288e689cf4aSJeff Kirsher "%s() VPD offset [%08x]\n", __func__, offset); 9289e6e33770SDu Cheng if (offset) { 9290e6e33770SDu Cheng err = niu_pci_vpd_fetch(np, offset); 9291e6e33770SDu Cheng if (err < 0) 9292e6e33770SDu Cheng return err; 9293e6e33770SDu Cheng } 9294e689cf4aSJeff Kirsher nw64(ESPC_PIO_EN, 0); 9295e689cf4aSJeff Kirsher 9296e689cf4aSJeff Kirsher if (np->flags & NIU_FLAGS_VPD_VALID) { 9297e689cf4aSJeff Kirsher niu_pci_vpd_validate(np); 9298e689cf4aSJeff Kirsher err = niu_get_and_validate_port(np); 9299e689cf4aSJeff Kirsher if (err) 9300e689cf4aSJeff Kirsher return err; 9301e689cf4aSJeff Kirsher } 9302e689cf4aSJeff Kirsher 9303e689cf4aSJeff Kirsher if (!(np->flags & NIU_FLAGS_VPD_VALID)) { 9304e689cf4aSJeff Kirsher err = niu_get_and_validate_port(np); 9305e689cf4aSJeff Kirsher if (err) 9306e689cf4aSJeff Kirsher return err; 9307e689cf4aSJeff Kirsher err = niu_pci_probe_sprom(np); 9308e689cf4aSJeff Kirsher if (err) 9309e689cf4aSJeff Kirsher return err; 9310e689cf4aSJeff Kirsher } 9311e689cf4aSJeff Kirsher } 9312e689cf4aSJeff Kirsher 9313e689cf4aSJeff Kirsher err = niu_probe_ports(np); 9314e689cf4aSJeff Kirsher if (err) 9315e689cf4aSJeff Kirsher return err; 9316e689cf4aSJeff Kirsher 9317e689cf4aSJeff Kirsher niu_ldg_init(np); 9318e689cf4aSJeff Kirsher 9319e689cf4aSJeff Kirsher niu_classifier_swstate_init(np); 9320e689cf4aSJeff Kirsher niu_link_config_init(np); 9321e689cf4aSJeff Kirsher 9322e689cf4aSJeff Kirsher err = niu_determine_phy_disposition(np); 9323e689cf4aSJeff Kirsher if (!err) 9324e689cf4aSJeff Kirsher err = niu_init_link(np); 9325e689cf4aSJeff Kirsher 9326e689cf4aSJeff Kirsher return err; 9327e689cf4aSJeff Kirsher } 9328e689cf4aSJeff Kirsher 9329e689cf4aSJeff Kirsher static LIST_HEAD(niu_parent_list); 9330e689cf4aSJeff Kirsher static DEFINE_MUTEX(niu_parent_lock); 9331e689cf4aSJeff Kirsher static int niu_parent_index; 9332e689cf4aSJeff Kirsher 9333e689cf4aSJeff Kirsher static ssize_t show_port_phy(struct device *dev, 9334e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9335e689cf4aSJeff Kirsher { 9336e689cf4aSJeff Kirsher struct platform_device *plat_dev = to_platform_device(dev); 9337df3f1c39SJingoo Han struct niu_parent *p = dev_get_platdata(&plat_dev->dev); 9338e689cf4aSJeff Kirsher u32 port_phy = p->port_phy; 9339e689cf4aSJeff Kirsher char *orig_buf = buf; 9340e689cf4aSJeff Kirsher int i; 9341e689cf4aSJeff Kirsher 9342e689cf4aSJeff Kirsher if (port_phy == PORT_PHY_UNKNOWN || 9343e689cf4aSJeff Kirsher port_phy == PORT_PHY_INVALID) 9344e689cf4aSJeff Kirsher return 0; 9345e689cf4aSJeff Kirsher 9346e689cf4aSJeff Kirsher for (i = 0; i < p->num_ports; i++) { 9347e689cf4aSJeff Kirsher const char *type_str; 9348e689cf4aSJeff Kirsher int type; 9349e689cf4aSJeff Kirsher 9350e689cf4aSJeff Kirsher type = phy_decode(port_phy, i); 9351e689cf4aSJeff Kirsher if (type == PORT_TYPE_10G) 9352e689cf4aSJeff Kirsher type_str = "10G"; 9353e689cf4aSJeff Kirsher else 9354e689cf4aSJeff Kirsher type_str = "1G"; 9355e689cf4aSJeff Kirsher buf += sprintf(buf, 9356e689cf4aSJeff Kirsher (i == 0) ? "%s" : " %s", 9357e689cf4aSJeff Kirsher type_str); 9358e689cf4aSJeff Kirsher } 9359e689cf4aSJeff Kirsher buf += sprintf(buf, "\n"); 9360e689cf4aSJeff Kirsher return buf - orig_buf; 9361e689cf4aSJeff Kirsher } 9362e689cf4aSJeff Kirsher 9363e689cf4aSJeff Kirsher static ssize_t show_plat_type(struct device *dev, 9364e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9365e689cf4aSJeff Kirsher { 9366e689cf4aSJeff Kirsher struct platform_device *plat_dev = to_platform_device(dev); 9367df3f1c39SJingoo Han struct niu_parent *p = dev_get_platdata(&plat_dev->dev); 9368e689cf4aSJeff Kirsher const char *type_str; 9369e689cf4aSJeff Kirsher 9370e689cf4aSJeff Kirsher switch (p->plat_type) { 9371e689cf4aSJeff Kirsher case PLAT_TYPE_ATLAS: 9372e689cf4aSJeff Kirsher type_str = "atlas"; 9373e689cf4aSJeff Kirsher break; 9374e689cf4aSJeff Kirsher case PLAT_TYPE_NIU: 9375e689cf4aSJeff Kirsher type_str = "niu"; 9376e689cf4aSJeff Kirsher break; 9377e689cf4aSJeff Kirsher case PLAT_TYPE_VF_P0: 9378e689cf4aSJeff Kirsher type_str = "vf_p0"; 9379e689cf4aSJeff Kirsher break; 9380e689cf4aSJeff Kirsher case PLAT_TYPE_VF_P1: 9381e689cf4aSJeff Kirsher type_str = "vf_p1"; 9382e689cf4aSJeff Kirsher break; 9383e689cf4aSJeff Kirsher default: 9384e689cf4aSJeff Kirsher type_str = "unknown"; 9385e689cf4aSJeff Kirsher break; 9386e689cf4aSJeff Kirsher } 9387e689cf4aSJeff Kirsher 9388e689cf4aSJeff Kirsher return sprintf(buf, "%s\n", type_str); 9389e689cf4aSJeff Kirsher } 9390e689cf4aSJeff Kirsher 9391e689cf4aSJeff Kirsher static ssize_t __show_chan_per_port(struct device *dev, 9392e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf, 9393e689cf4aSJeff Kirsher int rx) 9394e689cf4aSJeff Kirsher { 9395e689cf4aSJeff Kirsher struct platform_device *plat_dev = to_platform_device(dev); 9396df3f1c39SJingoo Han struct niu_parent *p = dev_get_platdata(&plat_dev->dev); 9397e689cf4aSJeff Kirsher char *orig_buf = buf; 9398e689cf4aSJeff Kirsher u8 *arr; 9399e689cf4aSJeff Kirsher int i; 9400e689cf4aSJeff Kirsher 9401e689cf4aSJeff Kirsher arr = (rx ? p->rxchan_per_port : p->txchan_per_port); 9402e689cf4aSJeff Kirsher 9403e689cf4aSJeff Kirsher for (i = 0; i < p->num_ports; i++) { 9404e689cf4aSJeff Kirsher buf += sprintf(buf, 9405e689cf4aSJeff Kirsher (i == 0) ? "%d" : " %d", 9406e689cf4aSJeff Kirsher arr[i]); 9407e689cf4aSJeff Kirsher } 9408e689cf4aSJeff Kirsher buf += sprintf(buf, "\n"); 9409e689cf4aSJeff Kirsher 9410e689cf4aSJeff Kirsher return buf - orig_buf; 9411e689cf4aSJeff Kirsher } 9412e689cf4aSJeff Kirsher 9413e689cf4aSJeff Kirsher static ssize_t show_rxchan_per_port(struct device *dev, 9414e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9415e689cf4aSJeff Kirsher { 9416e689cf4aSJeff Kirsher return __show_chan_per_port(dev, attr, buf, 1); 9417e689cf4aSJeff Kirsher } 9418e689cf4aSJeff Kirsher 9419e689cf4aSJeff Kirsher static ssize_t show_txchan_per_port(struct device *dev, 9420e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9421e689cf4aSJeff Kirsher { 9422e689cf4aSJeff Kirsher return __show_chan_per_port(dev, attr, buf, 1); 9423e689cf4aSJeff Kirsher } 9424e689cf4aSJeff Kirsher 9425e689cf4aSJeff Kirsher static ssize_t show_num_ports(struct device *dev, 9426e689cf4aSJeff Kirsher struct device_attribute *attr, char *buf) 9427e689cf4aSJeff Kirsher { 9428e689cf4aSJeff Kirsher struct platform_device *plat_dev = to_platform_device(dev); 9429df3f1c39SJingoo Han struct niu_parent *p = dev_get_platdata(&plat_dev->dev); 9430e689cf4aSJeff Kirsher 9431e689cf4aSJeff Kirsher return sprintf(buf, "%d\n", p->num_ports); 9432e689cf4aSJeff Kirsher } 9433e689cf4aSJeff Kirsher 9434e689cf4aSJeff Kirsher static struct device_attribute niu_parent_attributes[] = { 9435d3757ba4SJoe Perches __ATTR(port_phy, 0444, show_port_phy, NULL), 9436d3757ba4SJoe Perches __ATTR(plat_type, 0444, show_plat_type, NULL), 9437d3757ba4SJoe Perches __ATTR(rxchan_per_port, 0444, show_rxchan_per_port, NULL), 9438d3757ba4SJoe Perches __ATTR(txchan_per_port, 0444, show_txchan_per_port, NULL), 9439d3757ba4SJoe Perches __ATTR(num_ports, 0444, show_num_ports, NULL), 9440e689cf4aSJeff Kirsher {} 9441e689cf4aSJeff Kirsher }; 9442e689cf4aSJeff Kirsher 9443f73d12bdSBill Pemberton static struct niu_parent *niu_new_parent(struct niu *np, 94441dd06ae8SGreg Kroah-Hartman union niu_parent_id *id, u8 ptype) 9445e689cf4aSJeff Kirsher { 9446e689cf4aSJeff Kirsher struct platform_device *plat_dev; 9447e689cf4aSJeff Kirsher struct niu_parent *p; 9448e689cf4aSJeff Kirsher int i; 9449e689cf4aSJeff Kirsher 9450e689cf4aSJeff Kirsher plat_dev = platform_device_register_simple("niu-board", niu_parent_index, 9451e689cf4aSJeff Kirsher NULL, 0); 9452e689cf4aSJeff Kirsher if (IS_ERR(plat_dev)) 9453e689cf4aSJeff Kirsher return NULL; 9454e689cf4aSJeff Kirsher 94553e1026b3SGreg Kroah-Hartman for (i = 0; niu_parent_attributes[i].attr.name; i++) { 9456e689cf4aSJeff Kirsher int err = device_create_file(&plat_dev->dev, 9457e689cf4aSJeff Kirsher &niu_parent_attributes[i]); 9458e689cf4aSJeff Kirsher if (err) 9459e689cf4aSJeff Kirsher goto fail_unregister; 9460e689cf4aSJeff Kirsher } 9461e689cf4aSJeff Kirsher 9462e689cf4aSJeff Kirsher p = kzalloc(sizeof(*p), GFP_KERNEL); 9463e689cf4aSJeff Kirsher if (!p) 9464e689cf4aSJeff Kirsher goto fail_unregister; 9465e689cf4aSJeff Kirsher 9466e689cf4aSJeff Kirsher p->index = niu_parent_index++; 9467e689cf4aSJeff Kirsher 9468e689cf4aSJeff Kirsher plat_dev->dev.platform_data = p; 9469e689cf4aSJeff Kirsher p->plat_dev = plat_dev; 9470e689cf4aSJeff Kirsher 9471e689cf4aSJeff Kirsher memcpy(&p->id, id, sizeof(*id)); 9472e689cf4aSJeff Kirsher p->plat_type = ptype; 9473e689cf4aSJeff Kirsher INIT_LIST_HEAD(&p->list); 9474e689cf4aSJeff Kirsher atomic_set(&p->refcnt, 0); 9475e689cf4aSJeff Kirsher list_add(&p->list, &niu_parent_list); 9476e689cf4aSJeff Kirsher spin_lock_init(&p->lock); 9477e689cf4aSJeff Kirsher 9478e689cf4aSJeff Kirsher p->rxdma_clock_divider = 7500; 9479e689cf4aSJeff Kirsher 9480e689cf4aSJeff Kirsher p->tcam_num_entries = NIU_PCI_TCAM_ENTRIES; 9481e689cf4aSJeff Kirsher if (p->plat_type == PLAT_TYPE_NIU) 9482e689cf4aSJeff Kirsher p->tcam_num_entries = NIU_NONPCI_TCAM_ENTRIES; 9483e689cf4aSJeff Kirsher 9484e689cf4aSJeff Kirsher for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_SCTP_IPV6; i++) { 9485e689cf4aSJeff Kirsher int index = i - CLASS_CODE_USER_PROG1; 9486e689cf4aSJeff Kirsher 9487e689cf4aSJeff Kirsher p->tcam_key[index] = TCAM_KEY_TSEL; 9488e689cf4aSJeff Kirsher p->flow_key[index] = (FLOW_KEY_IPSA | 9489e689cf4aSJeff Kirsher FLOW_KEY_IPDA | 9490e689cf4aSJeff Kirsher FLOW_KEY_PROTO | 9491e689cf4aSJeff Kirsher (FLOW_KEY_L4_BYTE12 << 9492e689cf4aSJeff Kirsher FLOW_KEY_L4_0_SHIFT) | 9493e689cf4aSJeff Kirsher (FLOW_KEY_L4_BYTE12 << 9494e689cf4aSJeff Kirsher FLOW_KEY_L4_1_SHIFT)); 9495e689cf4aSJeff Kirsher } 9496e689cf4aSJeff Kirsher 9497e689cf4aSJeff Kirsher for (i = 0; i < LDN_MAX + 1; i++) 9498e689cf4aSJeff Kirsher p->ldg_map[i] = LDG_INVALID; 9499e689cf4aSJeff Kirsher 9500e689cf4aSJeff Kirsher return p; 9501e689cf4aSJeff Kirsher 9502e689cf4aSJeff Kirsher fail_unregister: 9503e689cf4aSJeff Kirsher platform_device_unregister(plat_dev); 9504e689cf4aSJeff Kirsher return NULL; 9505e689cf4aSJeff Kirsher } 9506e689cf4aSJeff Kirsher 9507f73d12bdSBill Pemberton static struct niu_parent *niu_get_parent(struct niu *np, 95081dd06ae8SGreg Kroah-Hartman union niu_parent_id *id, u8 ptype) 9509e689cf4aSJeff Kirsher { 9510e689cf4aSJeff Kirsher struct niu_parent *p, *tmp; 9511e689cf4aSJeff Kirsher int port = np->port; 9512e689cf4aSJeff Kirsher 9513e689cf4aSJeff Kirsher mutex_lock(&niu_parent_lock); 9514e689cf4aSJeff Kirsher p = NULL; 9515e689cf4aSJeff Kirsher list_for_each_entry(tmp, &niu_parent_list, list) { 9516e689cf4aSJeff Kirsher if (!memcmp(id, &tmp->id, sizeof(*id))) { 9517e689cf4aSJeff Kirsher p = tmp; 9518e689cf4aSJeff Kirsher break; 9519e689cf4aSJeff Kirsher } 9520e689cf4aSJeff Kirsher } 9521e689cf4aSJeff Kirsher if (!p) 9522e689cf4aSJeff Kirsher p = niu_new_parent(np, id, ptype); 9523e689cf4aSJeff Kirsher 9524e689cf4aSJeff Kirsher if (p) { 952573066f6cSArnd Bergmann char port_name[8]; 9526e689cf4aSJeff Kirsher int err; 9527e689cf4aSJeff Kirsher 9528e689cf4aSJeff Kirsher sprintf(port_name, "port%d", port); 9529e689cf4aSJeff Kirsher err = sysfs_create_link(&p->plat_dev->dev.kobj, 9530e689cf4aSJeff Kirsher &np->device->kobj, 9531e689cf4aSJeff Kirsher port_name); 9532e689cf4aSJeff Kirsher if (!err) { 9533e689cf4aSJeff Kirsher p->ports[port] = np; 9534e689cf4aSJeff Kirsher atomic_inc(&p->refcnt); 9535e689cf4aSJeff Kirsher } 9536e689cf4aSJeff Kirsher } 9537e689cf4aSJeff Kirsher mutex_unlock(&niu_parent_lock); 9538e689cf4aSJeff Kirsher 9539e689cf4aSJeff Kirsher return p; 9540e689cf4aSJeff Kirsher } 9541e689cf4aSJeff Kirsher 9542e689cf4aSJeff Kirsher static void niu_put_parent(struct niu *np) 9543e689cf4aSJeff Kirsher { 9544e689cf4aSJeff Kirsher struct niu_parent *p = np->parent; 9545e689cf4aSJeff Kirsher u8 port = np->port; 954673066f6cSArnd Bergmann char port_name[8]; 9547e689cf4aSJeff Kirsher 9548e689cf4aSJeff Kirsher BUG_ON(!p || p->ports[port] != np); 9549e689cf4aSJeff Kirsher 9550e689cf4aSJeff Kirsher netif_printk(np, probe, KERN_DEBUG, np->dev, 9551e689cf4aSJeff Kirsher "%s() port[%u]\n", __func__, port); 9552e689cf4aSJeff Kirsher 9553e689cf4aSJeff Kirsher sprintf(port_name, "port%d", port); 9554e689cf4aSJeff Kirsher 9555e689cf4aSJeff Kirsher mutex_lock(&niu_parent_lock); 9556e689cf4aSJeff Kirsher 9557e689cf4aSJeff Kirsher sysfs_remove_link(&p->plat_dev->dev.kobj, port_name); 9558e689cf4aSJeff Kirsher 9559e689cf4aSJeff Kirsher p->ports[port] = NULL; 9560e689cf4aSJeff Kirsher np->parent = NULL; 9561e689cf4aSJeff Kirsher 9562e689cf4aSJeff Kirsher if (atomic_dec_and_test(&p->refcnt)) { 9563e689cf4aSJeff Kirsher list_del(&p->list); 9564e689cf4aSJeff Kirsher platform_device_unregister(p->plat_dev); 9565e689cf4aSJeff Kirsher } 9566e689cf4aSJeff Kirsher 9567e689cf4aSJeff Kirsher mutex_unlock(&niu_parent_lock); 9568e689cf4aSJeff Kirsher } 9569e689cf4aSJeff Kirsher 9570e689cf4aSJeff Kirsher static void *niu_pci_alloc_coherent(struct device *dev, size_t size, 9571e689cf4aSJeff Kirsher u64 *handle, gfp_t flag) 9572e689cf4aSJeff Kirsher { 9573e689cf4aSJeff Kirsher dma_addr_t dh; 9574e689cf4aSJeff Kirsher void *ret; 9575e689cf4aSJeff Kirsher 9576e689cf4aSJeff Kirsher ret = dma_alloc_coherent(dev, size, &dh, flag); 9577e689cf4aSJeff Kirsher if (ret) 9578e689cf4aSJeff Kirsher *handle = dh; 9579e689cf4aSJeff Kirsher return ret; 9580e689cf4aSJeff Kirsher } 9581e689cf4aSJeff Kirsher 9582e689cf4aSJeff Kirsher static void niu_pci_free_coherent(struct device *dev, size_t size, 9583e689cf4aSJeff Kirsher void *cpu_addr, u64 handle) 9584e689cf4aSJeff Kirsher { 9585e689cf4aSJeff Kirsher dma_free_coherent(dev, size, cpu_addr, handle); 9586e689cf4aSJeff Kirsher } 9587e689cf4aSJeff Kirsher 9588e689cf4aSJeff Kirsher static u64 niu_pci_map_page(struct device *dev, struct page *page, 9589e689cf4aSJeff Kirsher unsigned long offset, size_t size, 9590e689cf4aSJeff Kirsher enum dma_data_direction direction) 9591e689cf4aSJeff Kirsher { 9592e689cf4aSJeff Kirsher return dma_map_page(dev, page, offset, size, direction); 9593e689cf4aSJeff Kirsher } 9594e689cf4aSJeff Kirsher 9595e689cf4aSJeff Kirsher static void niu_pci_unmap_page(struct device *dev, u64 dma_address, 9596e689cf4aSJeff Kirsher size_t size, enum dma_data_direction direction) 9597e689cf4aSJeff Kirsher { 9598e689cf4aSJeff Kirsher dma_unmap_page(dev, dma_address, size, direction); 9599e689cf4aSJeff Kirsher } 9600e689cf4aSJeff Kirsher 9601e689cf4aSJeff Kirsher static u64 niu_pci_map_single(struct device *dev, void *cpu_addr, 9602e689cf4aSJeff Kirsher size_t size, 9603e689cf4aSJeff Kirsher enum dma_data_direction direction) 9604e689cf4aSJeff Kirsher { 9605e689cf4aSJeff Kirsher return dma_map_single(dev, cpu_addr, size, direction); 9606e689cf4aSJeff Kirsher } 9607e689cf4aSJeff Kirsher 9608e689cf4aSJeff Kirsher static void niu_pci_unmap_single(struct device *dev, u64 dma_address, 9609e689cf4aSJeff Kirsher size_t size, 9610e689cf4aSJeff Kirsher enum dma_data_direction direction) 9611e689cf4aSJeff Kirsher { 9612e689cf4aSJeff Kirsher dma_unmap_single(dev, dma_address, size, direction); 9613e689cf4aSJeff Kirsher } 9614e689cf4aSJeff Kirsher 9615e689cf4aSJeff Kirsher static const struct niu_ops niu_pci_ops = { 9616e689cf4aSJeff Kirsher .alloc_coherent = niu_pci_alloc_coherent, 9617e689cf4aSJeff Kirsher .free_coherent = niu_pci_free_coherent, 9618e689cf4aSJeff Kirsher .map_page = niu_pci_map_page, 9619e689cf4aSJeff Kirsher .unmap_page = niu_pci_unmap_page, 9620e689cf4aSJeff Kirsher .map_single = niu_pci_map_single, 9621e689cf4aSJeff Kirsher .unmap_single = niu_pci_unmap_single, 9622e689cf4aSJeff Kirsher }; 9623e689cf4aSJeff Kirsher 9624f73d12bdSBill Pemberton static void niu_driver_version(void) 9625e689cf4aSJeff Kirsher { 9626e689cf4aSJeff Kirsher static int niu_version_printed; 9627e689cf4aSJeff Kirsher 9628e689cf4aSJeff Kirsher if (niu_version_printed++ == 0) 9629e689cf4aSJeff Kirsher pr_info("%s", version); 9630e689cf4aSJeff Kirsher } 9631e689cf4aSJeff Kirsher 96321dd06ae8SGreg Kroah-Hartman static struct net_device *niu_alloc_and_init(struct device *gen_dev, 96331dd06ae8SGreg Kroah-Hartman struct pci_dev *pdev, 96341dd06ae8SGreg Kroah-Hartman struct platform_device *op, 96351dd06ae8SGreg Kroah-Hartman const struct niu_ops *ops, u8 port) 9636e689cf4aSJeff Kirsher { 9637e689cf4aSJeff Kirsher struct net_device *dev; 9638e689cf4aSJeff Kirsher struct niu *np; 9639e689cf4aSJeff Kirsher 9640e689cf4aSJeff Kirsher dev = alloc_etherdev_mq(sizeof(struct niu), NIU_NUM_TXCHAN); 964141de8d4cSJoe Perches if (!dev) 9642e689cf4aSJeff Kirsher return NULL; 9643e689cf4aSJeff Kirsher 9644e689cf4aSJeff Kirsher SET_NETDEV_DEV(dev, gen_dev); 9645e689cf4aSJeff Kirsher 9646e689cf4aSJeff Kirsher np = netdev_priv(dev); 9647e689cf4aSJeff Kirsher np->dev = dev; 9648e689cf4aSJeff Kirsher np->pdev = pdev; 9649e689cf4aSJeff Kirsher np->op = op; 9650e689cf4aSJeff Kirsher np->device = gen_dev; 9651e689cf4aSJeff Kirsher np->ops = ops; 9652e689cf4aSJeff Kirsher 9653e689cf4aSJeff Kirsher np->msg_enable = niu_debug; 9654e689cf4aSJeff Kirsher 9655e689cf4aSJeff Kirsher spin_lock_init(&np->lock); 9656e689cf4aSJeff Kirsher INIT_WORK(&np->reset_task, niu_reset_task); 9657e689cf4aSJeff Kirsher 9658e689cf4aSJeff Kirsher np->port = port; 9659e689cf4aSJeff Kirsher 9660e689cf4aSJeff Kirsher return dev; 9661e689cf4aSJeff Kirsher } 9662e689cf4aSJeff Kirsher 9663e689cf4aSJeff Kirsher static const struct net_device_ops niu_netdev_ops = { 9664e689cf4aSJeff Kirsher .ndo_open = niu_open, 9665e689cf4aSJeff Kirsher .ndo_stop = niu_close, 9666e689cf4aSJeff Kirsher .ndo_start_xmit = niu_start_xmit, 9667e689cf4aSJeff Kirsher .ndo_get_stats64 = niu_get_stats, 966801789349SJiri Pirko .ndo_set_rx_mode = niu_set_rx_mode, 9669e689cf4aSJeff Kirsher .ndo_validate_addr = eth_validate_addr, 9670e689cf4aSJeff Kirsher .ndo_set_mac_address = niu_set_mac_addr, 9671a7605370SArnd Bergmann .ndo_eth_ioctl = niu_ioctl, 9672e689cf4aSJeff Kirsher .ndo_tx_timeout = niu_tx_timeout, 9673e689cf4aSJeff Kirsher .ndo_change_mtu = niu_change_mtu, 9674e689cf4aSJeff Kirsher }; 9675e689cf4aSJeff Kirsher 9676f73d12bdSBill Pemberton static void niu_assign_netdev_ops(struct net_device *dev) 9677e689cf4aSJeff Kirsher { 9678e689cf4aSJeff Kirsher dev->netdev_ops = &niu_netdev_ops; 9679e689cf4aSJeff Kirsher dev->ethtool_ops = &niu_ethtool_ops; 9680e689cf4aSJeff Kirsher dev->watchdog_timeo = NIU_TX_TIMEOUT; 9681e689cf4aSJeff Kirsher } 9682e689cf4aSJeff Kirsher 9683f73d12bdSBill Pemberton static void niu_device_announce(struct niu *np) 9684e689cf4aSJeff Kirsher { 9685e689cf4aSJeff Kirsher struct net_device *dev = np->dev; 9686e689cf4aSJeff Kirsher 9687e689cf4aSJeff Kirsher pr_info("%s: NIU Ethernet %pM\n", dev->name, dev->dev_addr); 9688e689cf4aSJeff Kirsher 9689e689cf4aSJeff Kirsher if (np->parent->plat_type == PLAT_TYPE_ATCA_CP3220) { 9690e689cf4aSJeff Kirsher pr_info("%s: Port type[%s] mode[%s:%s] XCVR[%s] phy[%s]\n", 9691e689cf4aSJeff Kirsher dev->name, 9692e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_XMAC ? "XMAC" : "BMAC"), 9693e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_10G ? "10G" : "1G"), 9694e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_FIBER ? "RGMII FIBER" : "SERDES"), 9695e689cf4aSJeff Kirsher (np->mac_xcvr == MAC_XCVR_MII ? "MII" : 9696e689cf4aSJeff Kirsher (np->mac_xcvr == MAC_XCVR_PCS ? "PCS" : "XPCS")), 9697e689cf4aSJeff Kirsher np->vpd.phy_type); 9698e689cf4aSJeff Kirsher } else { 9699e689cf4aSJeff Kirsher pr_info("%s: Port type[%s] mode[%s:%s] XCVR[%s] phy[%s]\n", 9700e689cf4aSJeff Kirsher dev->name, 9701e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_XMAC ? "XMAC" : "BMAC"), 9702e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_10G ? "10G" : "1G"), 9703e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_FIBER ? "FIBER" : 9704e689cf4aSJeff Kirsher (np->flags & NIU_FLAGS_XCVR_SERDES ? "SERDES" : 9705e689cf4aSJeff Kirsher "COPPER")), 9706e689cf4aSJeff Kirsher (np->mac_xcvr == MAC_XCVR_MII ? "MII" : 9707e689cf4aSJeff Kirsher (np->mac_xcvr == MAC_XCVR_PCS ? "PCS" : "XPCS")), 9708e689cf4aSJeff Kirsher np->vpd.phy_type); 9709e689cf4aSJeff Kirsher } 9710e689cf4aSJeff Kirsher } 9711e689cf4aSJeff Kirsher 9712f73d12bdSBill Pemberton static void niu_set_basic_features(struct net_device *dev) 9713e689cf4aSJeff Kirsher { 9714e689cf4aSJeff Kirsher dev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXHASH; 9715e689cf4aSJeff Kirsher dev->features |= dev->hw_features | NETIF_F_RXCSUM; 9716e689cf4aSJeff Kirsher } 9717e689cf4aSJeff Kirsher 9718f73d12bdSBill Pemberton static int niu_pci_init_one(struct pci_dev *pdev, 9719e689cf4aSJeff Kirsher const struct pci_device_id *ent) 9720e689cf4aSJeff Kirsher { 9721e689cf4aSJeff Kirsher union niu_parent_id parent_id; 9722e689cf4aSJeff Kirsher struct net_device *dev; 9723e689cf4aSJeff Kirsher struct niu *np; 972456cda129SJiang Liu int err; 9725e689cf4aSJeff Kirsher 9726e689cf4aSJeff Kirsher niu_driver_version(); 9727e689cf4aSJeff Kirsher 9728e689cf4aSJeff Kirsher err = pci_enable_device(pdev); 9729e689cf4aSJeff Kirsher if (err) { 9730e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); 9731e689cf4aSJeff Kirsher return err; 9732e689cf4aSJeff Kirsher } 9733e689cf4aSJeff Kirsher 9734e689cf4aSJeff Kirsher if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || 9735e689cf4aSJeff Kirsher !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { 9736e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot find proper PCI device base addresses, aborting\n"); 9737e689cf4aSJeff Kirsher err = -ENODEV; 9738e689cf4aSJeff Kirsher goto err_out_disable_pdev; 9739e689cf4aSJeff Kirsher } 9740e689cf4aSJeff Kirsher 9741e689cf4aSJeff Kirsher err = pci_request_regions(pdev, DRV_MODULE_NAME); 9742e689cf4aSJeff Kirsher if (err) { 9743e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n"); 9744e689cf4aSJeff Kirsher goto err_out_disable_pdev; 9745e689cf4aSJeff Kirsher } 9746e689cf4aSJeff Kirsher 974756cda129SJiang Liu if (!pci_is_pcie(pdev)) { 9748e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot find PCI Express capability, aborting\n"); 97498c65ef4bSPeter Senna Tschudin err = -ENODEV; 9750e689cf4aSJeff Kirsher goto err_out_free_res; 9751e689cf4aSJeff Kirsher } 9752e689cf4aSJeff Kirsher 9753e689cf4aSJeff Kirsher dev = niu_alloc_and_init(&pdev->dev, pdev, NULL, 9754e689cf4aSJeff Kirsher &niu_pci_ops, PCI_FUNC(pdev->devfn)); 9755e689cf4aSJeff Kirsher if (!dev) { 9756e689cf4aSJeff Kirsher err = -ENOMEM; 9757e689cf4aSJeff Kirsher goto err_out_free_res; 9758e689cf4aSJeff Kirsher } 9759e689cf4aSJeff Kirsher np = netdev_priv(dev); 9760e689cf4aSJeff Kirsher 9761e689cf4aSJeff Kirsher memset(&parent_id, 0, sizeof(parent_id)); 9762e689cf4aSJeff Kirsher parent_id.pci.domain = pci_domain_nr(pdev->bus); 9763e689cf4aSJeff Kirsher parent_id.pci.bus = pdev->bus->number; 9764e689cf4aSJeff Kirsher parent_id.pci.device = PCI_SLOT(pdev->devfn); 9765e689cf4aSJeff Kirsher 9766e689cf4aSJeff Kirsher np->parent = niu_get_parent(np, &parent_id, 9767e689cf4aSJeff Kirsher PLAT_TYPE_ATLAS); 9768e689cf4aSJeff Kirsher if (!np->parent) { 9769e689cf4aSJeff Kirsher err = -ENOMEM; 9770e689cf4aSJeff Kirsher goto err_out_free_dev; 9771e689cf4aSJeff Kirsher } 9772e689cf4aSJeff Kirsher 977356cda129SJiang Liu pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL, 977456cda129SJiang Liu PCI_EXP_DEVCTL_NOSNOOP_EN, 977556cda129SJiang Liu PCI_EXP_DEVCTL_CERE | PCI_EXP_DEVCTL_NFERE | 977656cda129SJiang Liu PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE | 9777e689cf4aSJeff Kirsher PCI_EXP_DEVCTL_RELAX_EN); 9778e689cf4aSJeff Kirsher 9779*9b0df250SChristophe JAILLET err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); 9780*9b0df250SChristophe JAILLET if (!err) 9781e689cf4aSJeff Kirsher dev->features |= NETIF_F_HIGHDMA; 9782e689cf4aSJeff Kirsher if (err) { 9783*9b0df250SChristophe JAILLET err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); 9784e689cf4aSJeff Kirsher if (err) { 9785e689cf4aSJeff Kirsher dev_err(&pdev->dev, "No usable DMA configuration, aborting\n"); 9786e689cf4aSJeff Kirsher goto err_out_release_parent; 9787e689cf4aSJeff Kirsher } 9788e689cf4aSJeff Kirsher } 9789e689cf4aSJeff Kirsher 9790e689cf4aSJeff Kirsher niu_set_basic_features(dev); 9791e689cf4aSJeff Kirsher 979201789349SJiri Pirko dev->priv_flags |= IFF_UNICAST_FLT; 979301789349SJiri Pirko 9794e689cf4aSJeff Kirsher np->regs = pci_ioremap_bar(pdev, 0); 9795e689cf4aSJeff Kirsher if (!np->regs) { 9796e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot map device registers, aborting\n"); 9797e689cf4aSJeff Kirsher err = -ENOMEM; 9798e689cf4aSJeff Kirsher goto err_out_release_parent; 9799e689cf4aSJeff Kirsher } 9800e689cf4aSJeff Kirsher 9801e689cf4aSJeff Kirsher pci_set_master(pdev); 9802e689cf4aSJeff Kirsher pci_save_state(pdev); 9803e689cf4aSJeff Kirsher 9804e689cf4aSJeff Kirsher dev->irq = pdev->irq; 9805e689cf4aSJeff Kirsher 9806540bfe30SJarod Wilson /* MTU range: 68 - 9216 */ 9807540bfe30SJarod Wilson dev->min_mtu = ETH_MIN_MTU; 9808540bfe30SJarod Wilson dev->max_mtu = NIU_MAX_MTU; 9809540bfe30SJarod Wilson 9810e689cf4aSJeff Kirsher niu_assign_netdev_ops(dev); 9811e689cf4aSJeff Kirsher 9812e689cf4aSJeff Kirsher err = niu_get_invariants(np); 9813e689cf4aSJeff Kirsher if (err) { 9814e689cf4aSJeff Kirsher if (err != -ENODEV) 9815e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Problem fetching invariants of chip, aborting\n"); 9816e689cf4aSJeff Kirsher goto err_out_iounmap; 9817e689cf4aSJeff Kirsher } 9818e689cf4aSJeff Kirsher 9819e689cf4aSJeff Kirsher err = register_netdev(dev); 9820e689cf4aSJeff Kirsher if (err) { 9821e689cf4aSJeff Kirsher dev_err(&pdev->dev, "Cannot register net device, aborting\n"); 9822e689cf4aSJeff Kirsher goto err_out_iounmap; 9823e689cf4aSJeff Kirsher } 9824e689cf4aSJeff Kirsher 9825e689cf4aSJeff Kirsher pci_set_drvdata(pdev, dev); 9826e689cf4aSJeff Kirsher 9827e689cf4aSJeff Kirsher niu_device_announce(np); 9828e689cf4aSJeff Kirsher 9829e689cf4aSJeff Kirsher return 0; 9830e689cf4aSJeff Kirsher 9831e689cf4aSJeff Kirsher err_out_iounmap: 9832e689cf4aSJeff Kirsher if (np->regs) { 9833e689cf4aSJeff Kirsher iounmap(np->regs); 9834e689cf4aSJeff Kirsher np->regs = NULL; 9835e689cf4aSJeff Kirsher } 9836e689cf4aSJeff Kirsher 9837e689cf4aSJeff Kirsher err_out_release_parent: 9838e689cf4aSJeff Kirsher niu_put_parent(np); 9839e689cf4aSJeff Kirsher 9840e689cf4aSJeff Kirsher err_out_free_dev: 9841e689cf4aSJeff Kirsher free_netdev(dev); 9842e689cf4aSJeff Kirsher 9843e689cf4aSJeff Kirsher err_out_free_res: 9844e689cf4aSJeff Kirsher pci_release_regions(pdev); 9845e689cf4aSJeff Kirsher 9846e689cf4aSJeff Kirsher err_out_disable_pdev: 9847e689cf4aSJeff Kirsher pci_disable_device(pdev); 9848e689cf4aSJeff Kirsher 9849e689cf4aSJeff Kirsher return err; 9850e689cf4aSJeff Kirsher } 9851e689cf4aSJeff Kirsher 9852f73d12bdSBill Pemberton static void niu_pci_remove_one(struct pci_dev *pdev) 9853e689cf4aSJeff Kirsher { 9854e689cf4aSJeff Kirsher struct net_device *dev = pci_get_drvdata(pdev); 9855e689cf4aSJeff Kirsher 9856e689cf4aSJeff Kirsher if (dev) { 9857e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 9858e689cf4aSJeff Kirsher 9859e689cf4aSJeff Kirsher unregister_netdev(dev); 9860e689cf4aSJeff Kirsher if (np->regs) { 9861e689cf4aSJeff Kirsher iounmap(np->regs); 9862e689cf4aSJeff Kirsher np->regs = NULL; 9863e689cf4aSJeff Kirsher } 9864e689cf4aSJeff Kirsher 9865e689cf4aSJeff Kirsher niu_ldg_free(np); 9866e689cf4aSJeff Kirsher 9867e689cf4aSJeff Kirsher niu_put_parent(np); 9868e689cf4aSJeff Kirsher 9869e689cf4aSJeff Kirsher free_netdev(dev); 9870e689cf4aSJeff Kirsher pci_release_regions(pdev); 9871e689cf4aSJeff Kirsher pci_disable_device(pdev); 9872e689cf4aSJeff Kirsher } 9873e689cf4aSJeff Kirsher } 9874e689cf4aSJeff Kirsher 987586fc3f70SVaibhav Gupta static int __maybe_unused niu_suspend(struct device *dev_d) 9876e689cf4aSJeff Kirsher { 9877b0db0cc2SVaibhav Gupta struct net_device *dev = dev_get_drvdata(dev_d); 9878e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 9879e689cf4aSJeff Kirsher unsigned long flags; 9880e689cf4aSJeff Kirsher 9881e689cf4aSJeff Kirsher if (!netif_running(dev)) 9882e689cf4aSJeff Kirsher return 0; 9883e689cf4aSJeff Kirsher 988443829731STejun Heo flush_work(&np->reset_task); 9885e689cf4aSJeff Kirsher niu_netif_stop(np); 9886e689cf4aSJeff Kirsher 9887e689cf4aSJeff Kirsher del_timer_sync(&np->timer); 9888e689cf4aSJeff Kirsher 9889e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 9890e689cf4aSJeff Kirsher niu_enable_interrupts(np, 0); 9891e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 9892e689cf4aSJeff Kirsher 9893e689cf4aSJeff Kirsher netif_device_detach(dev); 9894e689cf4aSJeff Kirsher 9895e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 9896e689cf4aSJeff Kirsher niu_stop_hw(np); 9897e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 9898e689cf4aSJeff Kirsher 9899e689cf4aSJeff Kirsher return 0; 9900e689cf4aSJeff Kirsher } 9901e689cf4aSJeff Kirsher 990286fc3f70SVaibhav Gupta static int __maybe_unused niu_resume(struct device *dev_d) 9903e689cf4aSJeff Kirsher { 9904b0db0cc2SVaibhav Gupta struct net_device *dev = dev_get_drvdata(dev_d); 9905e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 9906e689cf4aSJeff Kirsher unsigned long flags; 9907e689cf4aSJeff Kirsher int err; 9908e689cf4aSJeff Kirsher 9909e689cf4aSJeff Kirsher if (!netif_running(dev)) 9910e689cf4aSJeff Kirsher return 0; 9911e689cf4aSJeff Kirsher 9912e689cf4aSJeff Kirsher netif_device_attach(dev); 9913e689cf4aSJeff Kirsher 9914e689cf4aSJeff Kirsher spin_lock_irqsave(&np->lock, flags); 9915e689cf4aSJeff Kirsher 9916e689cf4aSJeff Kirsher err = niu_init_hw(np); 9917e689cf4aSJeff Kirsher if (!err) { 9918e689cf4aSJeff Kirsher np->timer.expires = jiffies + HZ; 9919e689cf4aSJeff Kirsher add_timer(&np->timer); 9920e689cf4aSJeff Kirsher niu_netif_start(np); 9921e689cf4aSJeff Kirsher } 9922e689cf4aSJeff Kirsher 9923e689cf4aSJeff Kirsher spin_unlock_irqrestore(&np->lock, flags); 9924e689cf4aSJeff Kirsher 9925e689cf4aSJeff Kirsher return err; 9926e689cf4aSJeff Kirsher } 9927e689cf4aSJeff Kirsher 9928b0db0cc2SVaibhav Gupta static SIMPLE_DEV_PM_OPS(niu_pm_ops, niu_suspend, niu_resume); 9929b0db0cc2SVaibhav Gupta 9930e689cf4aSJeff Kirsher static struct pci_driver niu_pci_driver = { 9931e689cf4aSJeff Kirsher .name = DRV_MODULE_NAME, 9932e689cf4aSJeff Kirsher .id_table = niu_pci_tbl, 9933e689cf4aSJeff Kirsher .probe = niu_pci_init_one, 9934f73d12bdSBill Pemberton .remove = niu_pci_remove_one, 9935b0db0cc2SVaibhav Gupta .driver.pm = &niu_pm_ops, 9936e689cf4aSJeff Kirsher }; 9937e689cf4aSJeff Kirsher 9938e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 9939e689cf4aSJeff Kirsher static void *niu_phys_alloc_coherent(struct device *dev, size_t size, 9940e689cf4aSJeff Kirsher u64 *dma_addr, gfp_t flag) 9941e689cf4aSJeff Kirsher { 9942e689cf4aSJeff Kirsher unsigned long order = get_order(size); 9943e689cf4aSJeff Kirsher unsigned long page = __get_free_pages(flag, order); 9944e689cf4aSJeff Kirsher 9945e689cf4aSJeff Kirsher if (page == 0UL) 9946e689cf4aSJeff Kirsher return NULL; 9947e689cf4aSJeff Kirsher memset((char *)page, 0, PAGE_SIZE << order); 9948e689cf4aSJeff Kirsher *dma_addr = __pa(page); 9949e689cf4aSJeff Kirsher 9950e689cf4aSJeff Kirsher return (void *) page; 9951e689cf4aSJeff Kirsher } 9952e689cf4aSJeff Kirsher 9953e689cf4aSJeff Kirsher static void niu_phys_free_coherent(struct device *dev, size_t size, 9954e689cf4aSJeff Kirsher void *cpu_addr, u64 handle) 9955e689cf4aSJeff Kirsher { 9956e689cf4aSJeff Kirsher unsigned long order = get_order(size); 9957e689cf4aSJeff Kirsher 9958e689cf4aSJeff Kirsher free_pages((unsigned long) cpu_addr, order); 9959e689cf4aSJeff Kirsher } 9960e689cf4aSJeff Kirsher 9961e689cf4aSJeff Kirsher static u64 niu_phys_map_page(struct device *dev, struct page *page, 9962e689cf4aSJeff Kirsher unsigned long offset, size_t size, 9963e689cf4aSJeff Kirsher enum dma_data_direction direction) 9964e689cf4aSJeff Kirsher { 9965e689cf4aSJeff Kirsher return page_to_phys(page) + offset; 9966e689cf4aSJeff Kirsher } 9967e689cf4aSJeff Kirsher 9968e689cf4aSJeff Kirsher static void niu_phys_unmap_page(struct device *dev, u64 dma_address, 9969e689cf4aSJeff Kirsher size_t size, enum dma_data_direction direction) 9970e689cf4aSJeff Kirsher { 9971e689cf4aSJeff Kirsher /* Nothing to do. */ 9972e689cf4aSJeff Kirsher } 9973e689cf4aSJeff Kirsher 9974e689cf4aSJeff Kirsher static u64 niu_phys_map_single(struct device *dev, void *cpu_addr, 9975e689cf4aSJeff Kirsher size_t size, 9976e689cf4aSJeff Kirsher enum dma_data_direction direction) 9977e689cf4aSJeff Kirsher { 9978e689cf4aSJeff Kirsher return __pa(cpu_addr); 9979e689cf4aSJeff Kirsher } 9980e689cf4aSJeff Kirsher 9981e689cf4aSJeff Kirsher static void niu_phys_unmap_single(struct device *dev, u64 dma_address, 9982e689cf4aSJeff Kirsher size_t size, 9983e689cf4aSJeff Kirsher enum dma_data_direction direction) 9984e689cf4aSJeff Kirsher { 9985e689cf4aSJeff Kirsher /* Nothing to do. */ 9986e689cf4aSJeff Kirsher } 9987e689cf4aSJeff Kirsher 9988e689cf4aSJeff Kirsher static const struct niu_ops niu_phys_ops = { 9989e689cf4aSJeff Kirsher .alloc_coherent = niu_phys_alloc_coherent, 9990e689cf4aSJeff Kirsher .free_coherent = niu_phys_free_coherent, 9991e689cf4aSJeff Kirsher .map_page = niu_phys_map_page, 9992e689cf4aSJeff Kirsher .unmap_page = niu_phys_unmap_page, 9993e689cf4aSJeff Kirsher .map_single = niu_phys_map_single, 9994e689cf4aSJeff Kirsher .unmap_single = niu_phys_unmap_single, 9995e689cf4aSJeff Kirsher }; 9996e689cf4aSJeff Kirsher 9997f73d12bdSBill Pemberton static int niu_of_probe(struct platform_device *op) 9998e689cf4aSJeff Kirsher { 9999e689cf4aSJeff Kirsher union niu_parent_id parent_id; 10000e689cf4aSJeff Kirsher struct net_device *dev; 10001e689cf4aSJeff Kirsher struct niu *np; 10002e689cf4aSJeff Kirsher const u32 *reg; 10003e689cf4aSJeff Kirsher int err; 10004e689cf4aSJeff Kirsher 10005e689cf4aSJeff Kirsher niu_driver_version(); 10006e689cf4aSJeff Kirsher 10007e689cf4aSJeff Kirsher reg = of_get_property(op->dev.of_node, "reg", NULL); 10008e689cf4aSJeff Kirsher if (!reg) { 10009f7ce9103SRob Herring dev_err(&op->dev, "%pOF: No 'reg' property, aborting\n", 10010f7ce9103SRob Herring op->dev.of_node); 10011e689cf4aSJeff Kirsher return -ENODEV; 10012e689cf4aSJeff Kirsher } 10013e689cf4aSJeff Kirsher 10014e689cf4aSJeff Kirsher dev = niu_alloc_and_init(&op->dev, NULL, op, 10015e689cf4aSJeff Kirsher &niu_phys_ops, reg[0] & 0x1); 10016e689cf4aSJeff Kirsher if (!dev) { 10017e689cf4aSJeff Kirsher err = -ENOMEM; 10018e689cf4aSJeff Kirsher goto err_out; 10019e689cf4aSJeff Kirsher } 10020e689cf4aSJeff Kirsher np = netdev_priv(dev); 10021e689cf4aSJeff Kirsher 10022e689cf4aSJeff Kirsher memset(&parent_id, 0, sizeof(parent_id)); 10023e689cf4aSJeff Kirsher parent_id.of = of_get_parent(op->dev.of_node); 10024e689cf4aSJeff Kirsher 10025e689cf4aSJeff Kirsher np->parent = niu_get_parent(np, &parent_id, 10026e689cf4aSJeff Kirsher PLAT_TYPE_NIU); 10027e689cf4aSJeff Kirsher if (!np->parent) { 10028e689cf4aSJeff Kirsher err = -ENOMEM; 10029e689cf4aSJeff Kirsher goto err_out_free_dev; 10030e689cf4aSJeff Kirsher } 10031e689cf4aSJeff Kirsher 10032e689cf4aSJeff Kirsher niu_set_basic_features(dev); 10033e689cf4aSJeff Kirsher 10034e689cf4aSJeff Kirsher np->regs = of_ioremap(&op->resource[1], 0, 10035e689cf4aSJeff Kirsher resource_size(&op->resource[1]), 10036e689cf4aSJeff Kirsher "niu regs"); 10037e689cf4aSJeff Kirsher if (!np->regs) { 10038e689cf4aSJeff Kirsher dev_err(&op->dev, "Cannot map device registers, aborting\n"); 10039e689cf4aSJeff Kirsher err = -ENOMEM; 10040e689cf4aSJeff Kirsher goto err_out_release_parent; 10041e689cf4aSJeff Kirsher } 10042e689cf4aSJeff Kirsher 10043e689cf4aSJeff Kirsher np->vir_regs_1 = of_ioremap(&op->resource[2], 0, 10044e689cf4aSJeff Kirsher resource_size(&op->resource[2]), 10045e689cf4aSJeff Kirsher "niu vregs-1"); 10046e689cf4aSJeff Kirsher if (!np->vir_regs_1) { 10047e689cf4aSJeff Kirsher dev_err(&op->dev, "Cannot map device vir registers 1, aborting\n"); 10048e689cf4aSJeff Kirsher err = -ENOMEM; 10049e689cf4aSJeff Kirsher goto err_out_iounmap; 10050e689cf4aSJeff Kirsher } 10051e689cf4aSJeff Kirsher 10052e689cf4aSJeff Kirsher np->vir_regs_2 = of_ioremap(&op->resource[3], 0, 10053e689cf4aSJeff Kirsher resource_size(&op->resource[3]), 10054e689cf4aSJeff Kirsher "niu vregs-2"); 10055e689cf4aSJeff Kirsher if (!np->vir_regs_2) { 10056e689cf4aSJeff Kirsher dev_err(&op->dev, "Cannot map device vir registers 2, aborting\n"); 10057e689cf4aSJeff Kirsher err = -ENOMEM; 10058e689cf4aSJeff Kirsher goto err_out_iounmap; 10059e689cf4aSJeff Kirsher } 10060e689cf4aSJeff Kirsher 10061e689cf4aSJeff Kirsher niu_assign_netdev_ops(dev); 10062e689cf4aSJeff Kirsher 10063e689cf4aSJeff Kirsher err = niu_get_invariants(np); 10064e689cf4aSJeff Kirsher if (err) { 10065e689cf4aSJeff Kirsher if (err != -ENODEV) 10066e689cf4aSJeff Kirsher dev_err(&op->dev, "Problem fetching invariants of chip, aborting\n"); 10067e689cf4aSJeff Kirsher goto err_out_iounmap; 10068e689cf4aSJeff Kirsher } 10069e689cf4aSJeff Kirsher 10070e689cf4aSJeff Kirsher err = register_netdev(dev); 10071e689cf4aSJeff Kirsher if (err) { 10072e689cf4aSJeff Kirsher dev_err(&op->dev, "Cannot register net device, aborting\n"); 10073e689cf4aSJeff Kirsher goto err_out_iounmap; 10074e689cf4aSJeff Kirsher } 10075e689cf4aSJeff Kirsher 100768513fbd8SJingoo Han platform_set_drvdata(op, dev); 10077e689cf4aSJeff Kirsher 10078e689cf4aSJeff Kirsher niu_device_announce(np); 10079e689cf4aSJeff Kirsher 10080e689cf4aSJeff Kirsher return 0; 10081e689cf4aSJeff Kirsher 10082e689cf4aSJeff Kirsher err_out_iounmap: 10083e689cf4aSJeff Kirsher if (np->vir_regs_1) { 10084e689cf4aSJeff Kirsher of_iounmap(&op->resource[2], np->vir_regs_1, 10085e689cf4aSJeff Kirsher resource_size(&op->resource[2])); 10086e689cf4aSJeff Kirsher np->vir_regs_1 = NULL; 10087e689cf4aSJeff Kirsher } 10088e689cf4aSJeff Kirsher 10089e689cf4aSJeff Kirsher if (np->vir_regs_2) { 10090e689cf4aSJeff Kirsher of_iounmap(&op->resource[3], np->vir_regs_2, 10091e689cf4aSJeff Kirsher resource_size(&op->resource[3])); 10092e689cf4aSJeff Kirsher np->vir_regs_2 = NULL; 10093e689cf4aSJeff Kirsher } 10094e689cf4aSJeff Kirsher 10095e689cf4aSJeff Kirsher if (np->regs) { 10096e689cf4aSJeff Kirsher of_iounmap(&op->resource[1], np->regs, 10097e689cf4aSJeff Kirsher resource_size(&op->resource[1])); 10098e689cf4aSJeff Kirsher np->regs = NULL; 10099e689cf4aSJeff Kirsher } 10100e689cf4aSJeff Kirsher 10101e689cf4aSJeff Kirsher err_out_release_parent: 10102e689cf4aSJeff Kirsher niu_put_parent(np); 10103e689cf4aSJeff Kirsher 10104e689cf4aSJeff Kirsher err_out_free_dev: 10105e689cf4aSJeff Kirsher free_netdev(dev); 10106e689cf4aSJeff Kirsher 10107e689cf4aSJeff Kirsher err_out: 10108e689cf4aSJeff Kirsher return err; 10109e689cf4aSJeff Kirsher } 10110e689cf4aSJeff Kirsher 10111f73d12bdSBill Pemberton static int niu_of_remove(struct platform_device *op) 10112e689cf4aSJeff Kirsher { 101138513fbd8SJingoo Han struct net_device *dev = platform_get_drvdata(op); 10114e689cf4aSJeff Kirsher 10115e689cf4aSJeff Kirsher if (dev) { 10116e689cf4aSJeff Kirsher struct niu *np = netdev_priv(dev); 10117e689cf4aSJeff Kirsher 10118e689cf4aSJeff Kirsher unregister_netdev(dev); 10119e689cf4aSJeff Kirsher 10120e689cf4aSJeff Kirsher if (np->vir_regs_1) { 10121e689cf4aSJeff Kirsher of_iounmap(&op->resource[2], np->vir_regs_1, 10122e689cf4aSJeff Kirsher resource_size(&op->resource[2])); 10123e689cf4aSJeff Kirsher np->vir_regs_1 = NULL; 10124e689cf4aSJeff Kirsher } 10125e689cf4aSJeff Kirsher 10126e689cf4aSJeff Kirsher if (np->vir_regs_2) { 10127e689cf4aSJeff Kirsher of_iounmap(&op->resource[3], np->vir_regs_2, 10128e689cf4aSJeff Kirsher resource_size(&op->resource[3])); 10129e689cf4aSJeff Kirsher np->vir_regs_2 = NULL; 10130e689cf4aSJeff Kirsher } 10131e689cf4aSJeff Kirsher 10132e689cf4aSJeff Kirsher if (np->regs) { 10133e689cf4aSJeff Kirsher of_iounmap(&op->resource[1], np->regs, 10134e689cf4aSJeff Kirsher resource_size(&op->resource[1])); 10135e689cf4aSJeff Kirsher np->regs = NULL; 10136e689cf4aSJeff Kirsher } 10137e689cf4aSJeff Kirsher 10138e689cf4aSJeff Kirsher niu_ldg_free(np); 10139e689cf4aSJeff Kirsher 10140e689cf4aSJeff Kirsher niu_put_parent(np); 10141e689cf4aSJeff Kirsher 10142e689cf4aSJeff Kirsher free_netdev(dev); 10143e689cf4aSJeff Kirsher } 10144e689cf4aSJeff Kirsher return 0; 10145e689cf4aSJeff Kirsher } 10146e689cf4aSJeff Kirsher 10147e689cf4aSJeff Kirsher static const struct of_device_id niu_match[] = { 10148e689cf4aSJeff Kirsher { 10149e689cf4aSJeff Kirsher .name = "network", 10150e689cf4aSJeff Kirsher .compatible = "SUNW,niusl", 10151e689cf4aSJeff Kirsher }, 10152e689cf4aSJeff Kirsher {}, 10153e689cf4aSJeff Kirsher }; 10154e689cf4aSJeff Kirsher MODULE_DEVICE_TABLE(of, niu_match); 10155e689cf4aSJeff Kirsher 10156e689cf4aSJeff Kirsher static struct platform_driver niu_of_driver = { 10157e689cf4aSJeff Kirsher .driver = { 10158e689cf4aSJeff Kirsher .name = "niu", 10159e689cf4aSJeff Kirsher .of_match_table = niu_match, 10160e689cf4aSJeff Kirsher }, 10161e689cf4aSJeff Kirsher .probe = niu_of_probe, 10162f73d12bdSBill Pemberton .remove = niu_of_remove, 10163e689cf4aSJeff Kirsher }; 10164e689cf4aSJeff Kirsher 10165e689cf4aSJeff Kirsher #endif /* CONFIG_SPARC64 */ 10166e689cf4aSJeff Kirsher 10167e689cf4aSJeff Kirsher static int __init niu_init(void) 10168e689cf4aSJeff Kirsher { 10169e689cf4aSJeff Kirsher int err = 0; 10170e689cf4aSJeff Kirsher 10171e689cf4aSJeff Kirsher BUILD_BUG_ON(PAGE_SIZE < 4 * 1024); 10172e689cf4aSJeff Kirsher 10173e689cf4aSJeff Kirsher niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT); 10174e689cf4aSJeff Kirsher 10175e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 10176e689cf4aSJeff Kirsher err = platform_driver_register(&niu_of_driver); 10177e689cf4aSJeff Kirsher #endif 10178e689cf4aSJeff Kirsher 10179e689cf4aSJeff Kirsher if (!err) { 10180e689cf4aSJeff Kirsher err = pci_register_driver(&niu_pci_driver); 10181e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 10182e689cf4aSJeff Kirsher if (err) 10183e689cf4aSJeff Kirsher platform_driver_unregister(&niu_of_driver); 10184e689cf4aSJeff Kirsher #endif 10185e689cf4aSJeff Kirsher } 10186e689cf4aSJeff Kirsher 10187e689cf4aSJeff Kirsher return err; 10188e689cf4aSJeff Kirsher } 10189e689cf4aSJeff Kirsher 10190e689cf4aSJeff Kirsher static void __exit niu_exit(void) 10191e689cf4aSJeff Kirsher { 10192e689cf4aSJeff Kirsher pci_unregister_driver(&niu_pci_driver); 10193e689cf4aSJeff Kirsher #ifdef CONFIG_SPARC64 10194e689cf4aSJeff Kirsher platform_driver_unregister(&niu_of_driver); 10195e689cf4aSJeff Kirsher #endif 10196e689cf4aSJeff Kirsher } 10197e689cf4aSJeff Kirsher 10198e689cf4aSJeff Kirsher module_init(niu_init); 10199e689cf4aSJeff Kirsher module_exit(niu_exit); 10200