1b955f6caSJeff Kirsher /* 2b955f6caSJeff Kirsher * Amiga Linux/68k A2065 Ethernet Driver 3b955f6caSJeff Kirsher * 4b955f6caSJeff Kirsher * (C) Copyright 1995-2003 by Geert Uytterhoeven <geert@linux-m68k.org> 5b955f6caSJeff Kirsher * 6b955f6caSJeff Kirsher * Fixes and tips by: 7b955f6caSJeff Kirsher * - Janos Farkas (CHEXUM@sparta.banki.hu) 8b955f6caSJeff Kirsher * - Jes Degn Soerensen (jds@kom.auc.dk) 9b955f6caSJeff Kirsher * - Matt Domsch (Matt_Domsch@dell.com) 10b955f6caSJeff Kirsher * 11b955f6caSJeff Kirsher * ---------------------------------------------------------------------------- 12b955f6caSJeff Kirsher * 13b955f6caSJeff Kirsher * This program is based on 14b955f6caSJeff Kirsher * 15b955f6caSJeff Kirsher * ariadne.?: Amiga Linux/68k Ariadne Ethernet Driver 16b955f6caSJeff Kirsher * (C) Copyright 1995 by Geert Uytterhoeven, 17b955f6caSJeff Kirsher * Peter De Schrijver 18b955f6caSJeff Kirsher * 19b955f6caSJeff Kirsher * lance.c: An AMD LANCE ethernet driver for linux. 20b955f6caSJeff Kirsher * Written 1993-94 by Donald Becker. 21b955f6caSJeff Kirsher * 22b955f6caSJeff Kirsher * Am79C960: PCnet(tm)-ISA Single-Chip Ethernet Controller 23b955f6caSJeff Kirsher * Advanced Micro Devices 24b955f6caSJeff Kirsher * Publication #16907, Rev. B, Amendment/0, May 1994 25b955f6caSJeff Kirsher * 26b955f6caSJeff Kirsher * ---------------------------------------------------------------------------- 27b955f6caSJeff Kirsher * 28b955f6caSJeff Kirsher * This file is subject to the terms and conditions of the GNU General Public 29b955f6caSJeff Kirsher * License. See the file COPYING in the main directory of the Linux 30b955f6caSJeff Kirsher * distribution for more details. 31b955f6caSJeff Kirsher * 32b955f6caSJeff Kirsher * ---------------------------------------------------------------------------- 33b955f6caSJeff Kirsher * 34b955f6caSJeff Kirsher * The A2065 is a Zorro-II board made by Commodore/Ameristar. It contains: 35b955f6caSJeff Kirsher * 36b955f6caSJeff Kirsher * - an Am7990 Local Area Network Controller for Ethernet (LANCE) with 37b955f6caSJeff Kirsher * both 10BASE-2 (thin coax) and AUI (DB-15) connectors 38b955f6caSJeff Kirsher */ 39b955f6caSJeff Kirsher 40b955f6caSJeff Kirsher #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 41b955f6caSJeff Kirsher 42b955f6caSJeff Kirsher /*#define DEBUG*/ 43b955f6caSJeff Kirsher /*#define TEST_HITS*/ 44b955f6caSJeff Kirsher 45b955f6caSJeff Kirsher #include <linux/errno.h> 46b955f6caSJeff Kirsher #include <linux/netdevice.h> 47b955f6caSJeff Kirsher #include <linux/etherdevice.h> 48b955f6caSJeff Kirsher #include <linux/module.h> 49b955f6caSJeff Kirsher #include <linux/stddef.h> 50b955f6caSJeff Kirsher #include <linux/kernel.h> 51b955f6caSJeff Kirsher #include <linux/interrupt.h> 52b955f6caSJeff Kirsher #include <linux/ioport.h> 53b955f6caSJeff Kirsher #include <linux/skbuff.h> 54b955f6caSJeff Kirsher #include <linux/string.h> 55b955f6caSJeff Kirsher #include <linux/init.h> 56b955f6caSJeff Kirsher #include <linux/crc32.h> 57b955f6caSJeff Kirsher #include <linux/zorro.h> 58b955f6caSJeff Kirsher #include <linux/bitops.h> 59b955f6caSJeff Kirsher 60bd9ba8f4SGeert Uytterhoeven #include <asm/byteorder.h> 61b955f6caSJeff Kirsher #include <asm/irq.h> 62b955f6caSJeff Kirsher #include <asm/amigaints.h> 63b955f6caSJeff Kirsher #include <asm/amigahw.h> 64b955f6caSJeff Kirsher 65b955f6caSJeff Kirsher #include "a2065.h" 66b955f6caSJeff Kirsher 67b955f6caSJeff Kirsher /* Transmit/Receive Ring Definitions */ 68b955f6caSJeff Kirsher 69b955f6caSJeff Kirsher #define LANCE_LOG_TX_BUFFERS (2) 70b955f6caSJeff Kirsher #define LANCE_LOG_RX_BUFFERS (4) 71b955f6caSJeff Kirsher 72b955f6caSJeff Kirsher #define TX_RING_SIZE (1 << LANCE_LOG_TX_BUFFERS) 73b955f6caSJeff Kirsher #define RX_RING_SIZE (1 << LANCE_LOG_RX_BUFFERS) 74b955f6caSJeff Kirsher 75b955f6caSJeff Kirsher #define TX_RING_MOD_MASK (TX_RING_SIZE - 1) 76b955f6caSJeff Kirsher #define RX_RING_MOD_MASK (RX_RING_SIZE - 1) 77b955f6caSJeff Kirsher 78b955f6caSJeff Kirsher #define PKT_BUF_SIZE (1544) 79b955f6caSJeff Kirsher #define RX_BUFF_SIZE PKT_BUF_SIZE 80b955f6caSJeff Kirsher #define TX_BUFF_SIZE PKT_BUF_SIZE 81b955f6caSJeff Kirsher 82b955f6caSJeff Kirsher /* Layout of the Lance's RAM Buffer */ 83b955f6caSJeff Kirsher 84b955f6caSJeff Kirsher struct lance_init_block { 85b955f6caSJeff Kirsher unsigned short mode; /* Pre-set mode (reg. 15) */ 86b955f6caSJeff Kirsher unsigned char phys_addr[6]; /* Physical ethernet address */ 87b955f6caSJeff Kirsher unsigned filter[2]; /* Multicast filter. */ 88b955f6caSJeff Kirsher 89b955f6caSJeff Kirsher /* Receive and transmit ring base, along with extra bits. */ 90b955f6caSJeff Kirsher unsigned short rx_ptr; /* receive descriptor addr */ 91b955f6caSJeff Kirsher unsigned short rx_len; /* receive len and high addr */ 92b955f6caSJeff Kirsher unsigned short tx_ptr; /* transmit descriptor addr */ 93b955f6caSJeff Kirsher unsigned short tx_len; /* transmit len and high addr */ 94b955f6caSJeff Kirsher 95b955f6caSJeff Kirsher /* The Tx and Rx ring entries must aligned on 8-byte boundaries. */ 96b955f6caSJeff Kirsher struct lance_rx_desc brx_ring[RX_RING_SIZE]; 97b955f6caSJeff Kirsher struct lance_tx_desc btx_ring[TX_RING_SIZE]; 98b955f6caSJeff Kirsher 99b955f6caSJeff Kirsher char rx_buf[RX_RING_SIZE][RX_BUFF_SIZE]; 100b955f6caSJeff Kirsher char tx_buf[TX_RING_SIZE][TX_BUFF_SIZE]; 101b955f6caSJeff Kirsher }; 102b955f6caSJeff Kirsher 103b955f6caSJeff Kirsher /* Private Device Data */ 104b955f6caSJeff Kirsher 105b955f6caSJeff Kirsher struct lance_private { 106b955f6caSJeff Kirsher char *name; 107b955f6caSJeff Kirsher volatile struct lance_regs *ll; 108b955f6caSJeff Kirsher volatile struct lance_init_block *init_block; /* Hosts view */ 109b955f6caSJeff Kirsher volatile struct lance_init_block *lance_init_block; /* Lance view */ 110b955f6caSJeff Kirsher 111b955f6caSJeff Kirsher int rx_new, tx_new; 112b955f6caSJeff Kirsher int rx_old, tx_old; 113b955f6caSJeff Kirsher 114b955f6caSJeff Kirsher int lance_log_rx_bufs, lance_log_tx_bufs; 115b955f6caSJeff Kirsher int rx_ring_mod_mask, tx_ring_mod_mask; 116b955f6caSJeff Kirsher 117b955f6caSJeff Kirsher int tpe; /* cable-selection is TPE */ 118b955f6caSJeff Kirsher int auto_select; /* cable-selection by carrier */ 119b955f6caSJeff Kirsher unsigned short busmaster_regval; 120b955f6caSJeff Kirsher 121b955f6caSJeff Kirsher #ifdef CONFIG_SUNLANCE 122b955f6caSJeff Kirsher struct Linux_SBus_DMA *ledma; /* if set this points to ledma and arch=4m */ 123b955f6caSJeff Kirsher int burst_sizes; /* ledma SBus burst sizes */ 124b955f6caSJeff Kirsher #endif 125b955f6caSJeff Kirsher struct timer_list multicast_timer; 126c6c52ba1SKees Cook struct net_device *dev; 127b955f6caSJeff Kirsher }; 128b955f6caSJeff Kirsher 129b955f6caSJeff Kirsher #define LANCE_ADDR(x) ((int)(x) & ~0xff000000) 130b955f6caSJeff Kirsher 131b955f6caSJeff Kirsher /* Load the CSR registers */ 132b955f6caSJeff Kirsher static void load_csrs(struct lance_private *lp) 133b955f6caSJeff Kirsher { 134b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 135b955f6caSJeff Kirsher volatile struct lance_init_block *aib = lp->lance_init_block; 136b955f6caSJeff Kirsher int leptr = LANCE_ADDR(aib); 137b955f6caSJeff Kirsher 138b955f6caSJeff Kirsher ll->rap = LE_CSR1; 139b955f6caSJeff Kirsher ll->rdp = (leptr & 0xFFFF); 140b955f6caSJeff Kirsher ll->rap = LE_CSR2; 141b955f6caSJeff Kirsher ll->rdp = leptr >> 16; 142b955f6caSJeff Kirsher ll->rap = LE_CSR3; 143b955f6caSJeff Kirsher ll->rdp = lp->busmaster_regval; 144b955f6caSJeff Kirsher 145b955f6caSJeff Kirsher /* Point back to csr0 */ 146b955f6caSJeff Kirsher ll->rap = LE_CSR0; 147b955f6caSJeff Kirsher } 148b955f6caSJeff Kirsher 149b955f6caSJeff Kirsher /* Setup the Lance Rx and Tx rings */ 150b955f6caSJeff Kirsher static void lance_init_ring(struct net_device *dev) 151b955f6caSJeff Kirsher { 152b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 153b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 154b955f6caSJeff Kirsher volatile struct lance_init_block *aib = lp->lance_init_block; 155b955f6caSJeff Kirsher /* for LANCE_ADDR computations */ 156b955f6caSJeff Kirsher int leptr; 157b955f6caSJeff Kirsher int i; 158b955f6caSJeff Kirsher 159b955f6caSJeff Kirsher /* Lock out other processes while setting up hardware */ 160b955f6caSJeff Kirsher netif_stop_queue(dev); 161b955f6caSJeff Kirsher lp->rx_new = lp->tx_new = 0; 162b955f6caSJeff Kirsher lp->rx_old = lp->tx_old = 0; 163b955f6caSJeff Kirsher 164b955f6caSJeff Kirsher ib->mode = 0; 165b955f6caSJeff Kirsher 166b955f6caSJeff Kirsher /* Copy the ethernet address to the lance init block 167b955f6caSJeff Kirsher * Note that on the sparc you need to swap the ethernet address. 168b955f6caSJeff Kirsher */ 169b955f6caSJeff Kirsher ib->phys_addr[0] = dev->dev_addr[1]; 170b955f6caSJeff Kirsher ib->phys_addr[1] = dev->dev_addr[0]; 171b955f6caSJeff Kirsher ib->phys_addr[2] = dev->dev_addr[3]; 172b955f6caSJeff Kirsher ib->phys_addr[3] = dev->dev_addr[2]; 173b955f6caSJeff Kirsher ib->phys_addr[4] = dev->dev_addr[5]; 174b955f6caSJeff Kirsher ib->phys_addr[5] = dev->dev_addr[4]; 175b955f6caSJeff Kirsher 176b955f6caSJeff Kirsher /* Setup the Tx ring entries */ 177b955f6caSJeff Kirsher netdev_dbg(dev, "TX rings:\n"); 178b955f6caSJeff Kirsher for (i = 0; i <= 1 << lp->lance_log_tx_bufs; i++) { 179b955f6caSJeff Kirsher leptr = LANCE_ADDR(&aib->tx_buf[i][0]); 180b955f6caSJeff Kirsher ib->btx_ring[i].tmd0 = leptr; 181b955f6caSJeff Kirsher ib->btx_ring[i].tmd1_hadr = leptr >> 16; 182b955f6caSJeff Kirsher ib->btx_ring[i].tmd1_bits = 0; 183b955f6caSJeff Kirsher ib->btx_ring[i].length = 0xf000; /* The ones required by tmd2 */ 184b955f6caSJeff Kirsher ib->btx_ring[i].misc = 0; 185b955f6caSJeff Kirsher if (i < 3) 186b955f6caSJeff Kirsher netdev_dbg(dev, "%d: 0x%08x\n", i, leptr); 187b955f6caSJeff Kirsher } 188b955f6caSJeff Kirsher 189b955f6caSJeff Kirsher /* Setup the Rx ring entries */ 190b955f6caSJeff Kirsher netdev_dbg(dev, "RX rings:\n"); 191b955f6caSJeff Kirsher for (i = 0; i < 1 << lp->lance_log_rx_bufs; i++) { 192b955f6caSJeff Kirsher leptr = LANCE_ADDR(&aib->rx_buf[i][0]); 193b955f6caSJeff Kirsher 194b955f6caSJeff Kirsher ib->brx_ring[i].rmd0 = leptr; 195b955f6caSJeff Kirsher ib->brx_ring[i].rmd1_hadr = leptr >> 16; 196b955f6caSJeff Kirsher ib->brx_ring[i].rmd1_bits = LE_R1_OWN; 197b955f6caSJeff Kirsher ib->brx_ring[i].length = -RX_BUFF_SIZE | 0xf000; 198b955f6caSJeff Kirsher ib->brx_ring[i].mblength = 0; 199b955f6caSJeff Kirsher if (i < 3) 200b955f6caSJeff Kirsher netdev_dbg(dev, "%d: 0x%08x\n", i, leptr); 201b955f6caSJeff Kirsher } 202b955f6caSJeff Kirsher 203b955f6caSJeff Kirsher /* Setup the initialization block */ 204b955f6caSJeff Kirsher 205b955f6caSJeff Kirsher /* Setup rx descriptor pointer */ 206b955f6caSJeff Kirsher leptr = LANCE_ADDR(&aib->brx_ring); 207b955f6caSJeff Kirsher ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16); 208b955f6caSJeff Kirsher ib->rx_ptr = leptr; 209b955f6caSJeff Kirsher netdev_dbg(dev, "RX ptr: %08x\n", leptr); 210b955f6caSJeff Kirsher 211b955f6caSJeff Kirsher /* Setup tx descriptor pointer */ 212b955f6caSJeff Kirsher leptr = LANCE_ADDR(&aib->btx_ring); 213b955f6caSJeff Kirsher ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16); 214b955f6caSJeff Kirsher ib->tx_ptr = leptr; 215b955f6caSJeff Kirsher netdev_dbg(dev, "TX ptr: %08x\n", leptr); 216b955f6caSJeff Kirsher 217b955f6caSJeff Kirsher /* Clear the multicast filter */ 218b955f6caSJeff Kirsher ib->filter[0] = 0; 219b955f6caSJeff Kirsher ib->filter[1] = 0; 220b955f6caSJeff Kirsher } 221b955f6caSJeff Kirsher 222b955f6caSJeff Kirsher static int init_restart_lance(struct lance_private *lp) 223b955f6caSJeff Kirsher { 224b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 225b955f6caSJeff Kirsher int i; 226b955f6caSJeff Kirsher 227b955f6caSJeff Kirsher ll->rap = LE_CSR0; 228b955f6caSJeff Kirsher ll->rdp = LE_C0_INIT; 229b955f6caSJeff Kirsher 230b955f6caSJeff Kirsher /* Wait for the lance to complete initialization */ 231b955f6caSJeff Kirsher for (i = 0; (i < 100) && !(ll->rdp & (LE_C0_ERR | LE_C0_IDON)); i++) 232b955f6caSJeff Kirsher barrier(); 233b955f6caSJeff Kirsher if ((i == 100) || (ll->rdp & LE_C0_ERR)) { 234b955f6caSJeff Kirsher pr_err("unopened after %d ticks, csr0=%04x\n", i, ll->rdp); 235b955f6caSJeff Kirsher return -EIO; 236b955f6caSJeff Kirsher } 237b955f6caSJeff Kirsher 238b955f6caSJeff Kirsher /* Clear IDON by writing a "1", enable interrupts and start lance */ 239b955f6caSJeff Kirsher ll->rdp = LE_C0_IDON; 240b955f6caSJeff Kirsher ll->rdp = LE_C0_INEA | LE_C0_STRT; 241b955f6caSJeff Kirsher 242b955f6caSJeff Kirsher return 0; 243b955f6caSJeff Kirsher } 244b955f6caSJeff Kirsher 245b955f6caSJeff Kirsher static int lance_rx(struct net_device *dev) 246b955f6caSJeff Kirsher { 247b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 248b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 249b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 250b955f6caSJeff Kirsher volatile struct lance_rx_desc *rd; 251b955f6caSJeff Kirsher unsigned char bits; 252b955f6caSJeff Kirsher 253b955f6caSJeff Kirsher #ifdef TEST_HITS 254b955f6caSJeff Kirsher int i; 255b955f6caSJeff Kirsher char buf[RX_RING_SIZE + 1]; 256b955f6caSJeff Kirsher 257b955f6caSJeff Kirsher for (i = 0; i < RX_RING_SIZE; i++) { 258b955f6caSJeff Kirsher char r1_own = ib->brx_ring[i].rmd1_bits & LE_R1_OWN; 259b955f6caSJeff Kirsher if (i == lp->rx_new) 260b955f6caSJeff Kirsher buf[i] = r1_own ? '_' : 'X'; 261b955f6caSJeff Kirsher else 262b955f6caSJeff Kirsher buf[i] = r1_own ? '.' : '1'; 263b955f6caSJeff Kirsher } 264b955f6caSJeff Kirsher buf[RX_RING_SIZE] = 0; 265b955f6caSJeff Kirsher 266b955f6caSJeff Kirsher pr_debug("RxRing TestHits: [%s]\n", buf); 267b955f6caSJeff Kirsher #endif 268b955f6caSJeff Kirsher 269b955f6caSJeff Kirsher ll->rdp = LE_C0_RINT | LE_C0_INEA; 270b955f6caSJeff Kirsher for (rd = &ib->brx_ring[lp->rx_new]; 271b955f6caSJeff Kirsher !((bits = rd->rmd1_bits) & LE_R1_OWN); 272b955f6caSJeff Kirsher rd = &ib->brx_ring[lp->rx_new]) { 273b955f6caSJeff Kirsher 274b955f6caSJeff Kirsher /* We got an incomplete frame? */ 275b955f6caSJeff Kirsher if ((bits & LE_R1_POK) != LE_R1_POK) { 276b955f6caSJeff Kirsher dev->stats.rx_over_errors++; 277b955f6caSJeff Kirsher dev->stats.rx_errors++; 278b955f6caSJeff Kirsher continue; 279b955f6caSJeff Kirsher } else if (bits & LE_R1_ERR) { 280b955f6caSJeff Kirsher /* Count only the end frame as a rx error, 281b955f6caSJeff Kirsher * not the beginning 282b955f6caSJeff Kirsher */ 283b955f6caSJeff Kirsher if (bits & LE_R1_BUF) 284b955f6caSJeff Kirsher dev->stats.rx_fifo_errors++; 285b955f6caSJeff Kirsher if (bits & LE_R1_CRC) 286b955f6caSJeff Kirsher dev->stats.rx_crc_errors++; 287b955f6caSJeff Kirsher if (bits & LE_R1_OFL) 288b955f6caSJeff Kirsher dev->stats.rx_over_errors++; 289b955f6caSJeff Kirsher if (bits & LE_R1_FRA) 290b955f6caSJeff Kirsher dev->stats.rx_frame_errors++; 291b955f6caSJeff Kirsher if (bits & LE_R1_EOP) 292b955f6caSJeff Kirsher dev->stats.rx_errors++; 293b955f6caSJeff Kirsher } else { 294b955f6caSJeff Kirsher int len = (rd->mblength & 0xfff) - 4; 2951d266430SPradeep A Dalvi struct sk_buff *skb = netdev_alloc_skb(dev, len + 2); 296b955f6caSJeff Kirsher 297b955f6caSJeff Kirsher if (!skb) { 298b955f6caSJeff Kirsher dev->stats.rx_dropped++; 299b955f6caSJeff Kirsher rd->mblength = 0; 300b955f6caSJeff Kirsher rd->rmd1_bits = LE_R1_OWN; 301b955f6caSJeff Kirsher lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask; 302b955f6caSJeff Kirsher return 0; 303b955f6caSJeff Kirsher } 304b955f6caSJeff Kirsher 305b955f6caSJeff Kirsher skb_reserve(skb, 2); /* 16 byte align */ 306b955f6caSJeff Kirsher skb_put(skb, len); /* make room */ 307b955f6caSJeff Kirsher skb_copy_to_linear_data(skb, 308b955f6caSJeff Kirsher (unsigned char *)&ib->rx_buf[lp->rx_new][0], 309b955f6caSJeff Kirsher len); 310b955f6caSJeff Kirsher skb->protocol = eth_type_trans(skb, dev); 311b955f6caSJeff Kirsher netif_rx(skb); 312b955f6caSJeff Kirsher dev->stats.rx_packets++; 313b955f6caSJeff Kirsher dev->stats.rx_bytes += len; 314b955f6caSJeff Kirsher } 315b955f6caSJeff Kirsher 316b955f6caSJeff Kirsher /* Return the packet to the pool */ 317b955f6caSJeff Kirsher rd->mblength = 0; 318b955f6caSJeff Kirsher rd->rmd1_bits = LE_R1_OWN; 319b955f6caSJeff Kirsher lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask; 320b955f6caSJeff Kirsher } 321b955f6caSJeff Kirsher return 0; 322b955f6caSJeff Kirsher } 323b955f6caSJeff Kirsher 324b955f6caSJeff Kirsher static int lance_tx(struct net_device *dev) 325b955f6caSJeff Kirsher { 326b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 327b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 328b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 329b955f6caSJeff Kirsher volatile struct lance_tx_desc *td; 330b955f6caSJeff Kirsher int i, j; 331b955f6caSJeff Kirsher int status; 332b955f6caSJeff Kirsher 333b955f6caSJeff Kirsher /* csr0 is 2f3 */ 334b955f6caSJeff Kirsher ll->rdp = LE_C0_TINT | LE_C0_INEA; 335b955f6caSJeff Kirsher /* csr0 is 73 */ 336b955f6caSJeff Kirsher 337b955f6caSJeff Kirsher j = lp->tx_old; 338b955f6caSJeff Kirsher for (i = j; i != lp->tx_new; i = j) { 339b955f6caSJeff Kirsher td = &ib->btx_ring[i]; 340b955f6caSJeff Kirsher 341b955f6caSJeff Kirsher /* If we hit a packet not owned by us, stop */ 342b955f6caSJeff Kirsher if (td->tmd1_bits & LE_T1_OWN) 343b955f6caSJeff Kirsher break; 344b955f6caSJeff Kirsher 345b955f6caSJeff Kirsher if (td->tmd1_bits & LE_T1_ERR) { 346b955f6caSJeff Kirsher status = td->misc; 347b955f6caSJeff Kirsher 348b955f6caSJeff Kirsher dev->stats.tx_errors++; 349b955f6caSJeff Kirsher if (status & LE_T3_RTY) 350b955f6caSJeff Kirsher dev->stats.tx_aborted_errors++; 351b955f6caSJeff Kirsher if (status & LE_T3_LCOL) 352b955f6caSJeff Kirsher dev->stats.tx_window_errors++; 353b955f6caSJeff Kirsher 354b955f6caSJeff Kirsher if (status & LE_T3_CLOS) { 355b955f6caSJeff Kirsher dev->stats.tx_carrier_errors++; 356b955f6caSJeff Kirsher if (lp->auto_select) { 357b955f6caSJeff Kirsher lp->tpe = 1 - lp->tpe; 358b955f6caSJeff Kirsher netdev_err(dev, "Carrier Lost, trying %s\n", 359b955f6caSJeff Kirsher lp->tpe ? "TPE" : "AUI"); 360b955f6caSJeff Kirsher /* Stop the lance */ 361b955f6caSJeff Kirsher ll->rap = LE_CSR0; 362b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 363b955f6caSJeff Kirsher lance_init_ring(dev); 364b955f6caSJeff Kirsher load_csrs(lp); 365b955f6caSJeff Kirsher init_restart_lance(lp); 366b955f6caSJeff Kirsher return 0; 367b955f6caSJeff Kirsher } 368b955f6caSJeff Kirsher } 369b955f6caSJeff Kirsher 370b955f6caSJeff Kirsher /* buffer errors and underflows turn off 371b955f6caSJeff Kirsher * the transmitter, so restart the adapter 372b955f6caSJeff Kirsher */ 373b955f6caSJeff Kirsher if (status & (LE_T3_BUF | LE_T3_UFL)) { 374b955f6caSJeff Kirsher dev->stats.tx_fifo_errors++; 375b955f6caSJeff Kirsher 376b955f6caSJeff Kirsher netdev_err(dev, "Tx: ERR_BUF|ERR_UFL, restarting\n"); 377b955f6caSJeff Kirsher /* Stop the lance */ 378b955f6caSJeff Kirsher ll->rap = LE_CSR0; 379b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 380b955f6caSJeff Kirsher lance_init_ring(dev); 381b955f6caSJeff Kirsher load_csrs(lp); 382b955f6caSJeff Kirsher init_restart_lance(lp); 383b955f6caSJeff Kirsher return 0; 384b955f6caSJeff Kirsher } 385b955f6caSJeff Kirsher } else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) { 386b955f6caSJeff Kirsher /* So we don't count the packet more than once. */ 387b955f6caSJeff Kirsher td->tmd1_bits &= ~(LE_T1_POK); 388b955f6caSJeff Kirsher 389b955f6caSJeff Kirsher /* One collision before packet was sent. */ 390b955f6caSJeff Kirsher if (td->tmd1_bits & LE_T1_EONE) 391b955f6caSJeff Kirsher dev->stats.collisions++; 392b955f6caSJeff Kirsher 393b955f6caSJeff Kirsher /* More than one collision, be optimistic. */ 394b955f6caSJeff Kirsher if (td->tmd1_bits & LE_T1_EMORE) 395b955f6caSJeff Kirsher dev->stats.collisions += 2; 396b955f6caSJeff Kirsher 397b955f6caSJeff Kirsher dev->stats.tx_packets++; 398b955f6caSJeff Kirsher } 399b955f6caSJeff Kirsher 400b955f6caSJeff Kirsher j = (j + 1) & lp->tx_ring_mod_mask; 401b955f6caSJeff Kirsher } 402b955f6caSJeff Kirsher lp->tx_old = j; 403b955f6caSJeff Kirsher ll->rdp = LE_C0_TINT | LE_C0_INEA; 404b955f6caSJeff Kirsher return 0; 405b955f6caSJeff Kirsher } 406b955f6caSJeff Kirsher 407b955f6caSJeff Kirsher static int lance_tx_buffs_avail(struct lance_private *lp) 408b955f6caSJeff Kirsher { 409b955f6caSJeff Kirsher if (lp->tx_old <= lp->tx_new) 410b955f6caSJeff Kirsher return lp->tx_old + lp->tx_ring_mod_mask - lp->tx_new; 411b955f6caSJeff Kirsher return lp->tx_old - lp->tx_new - 1; 412b955f6caSJeff Kirsher } 413b955f6caSJeff Kirsher 414b955f6caSJeff Kirsher static irqreturn_t lance_interrupt(int irq, void *dev_id) 415b955f6caSJeff Kirsher { 416b955f6caSJeff Kirsher struct net_device *dev = dev_id; 417b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 418b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 419b955f6caSJeff Kirsher int csr0; 420b955f6caSJeff Kirsher 421b955f6caSJeff Kirsher ll->rap = LE_CSR0; /* LANCE Controller Status */ 422b955f6caSJeff Kirsher csr0 = ll->rdp; 423b955f6caSJeff Kirsher 424b955f6caSJeff Kirsher if (!(csr0 & LE_C0_INTR)) /* Check if any interrupt has */ 425b955f6caSJeff Kirsher return IRQ_NONE; /* been generated by the Lance. */ 426b955f6caSJeff Kirsher 427b955f6caSJeff Kirsher /* Acknowledge all the interrupt sources ASAP */ 428b955f6caSJeff Kirsher ll->rdp = csr0 & ~(LE_C0_INEA | LE_C0_TDMD | LE_C0_STOP | LE_C0_STRT | 429b955f6caSJeff Kirsher LE_C0_INIT); 430b955f6caSJeff Kirsher 431b955f6caSJeff Kirsher if (csr0 & LE_C0_ERR) { 432b955f6caSJeff Kirsher /* Clear the error condition */ 433b955f6caSJeff Kirsher ll->rdp = LE_C0_BABL | LE_C0_ERR | LE_C0_MISS | LE_C0_INEA; 434b955f6caSJeff Kirsher } 435b955f6caSJeff Kirsher 436b955f6caSJeff Kirsher if (csr0 & LE_C0_RINT) 437b955f6caSJeff Kirsher lance_rx(dev); 438b955f6caSJeff Kirsher 439b955f6caSJeff Kirsher if (csr0 & LE_C0_TINT) 440b955f6caSJeff Kirsher lance_tx(dev); 441b955f6caSJeff Kirsher 442b955f6caSJeff Kirsher /* Log misc errors. */ 443b955f6caSJeff Kirsher if (csr0 & LE_C0_BABL) 444b955f6caSJeff Kirsher dev->stats.tx_errors++; /* Tx babble. */ 445b955f6caSJeff Kirsher if (csr0 & LE_C0_MISS) 446b955f6caSJeff Kirsher dev->stats.rx_errors++; /* Missed a Rx frame. */ 447b955f6caSJeff Kirsher if (csr0 & LE_C0_MERR) { 448b955f6caSJeff Kirsher netdev_err(dev, "Bus master arbitration failure, status %04x\n", 449b955f6caSJeff Kirsher csr0); 450b955f6caSJeff Kirsher /* Restart the chip. */ 451b955f6caSJeff Kirsher ll->rdp = LE_C0_STRT; 452b955f6caSJeff Kirsher } 453b955f6caSJeff Kirsher 454b955f6caSJeff Kirsher if (netif_queue_stopped(dev) && lance_tx_buffs_avail(lp) > 0) 455b955f6caSJeff Kirsher netif_wake_queue(dev); 456b955f6caSJeff Kirsher 457b955f6caSJeff Kirsher ll->rap = LE_CSR0; 458b955f6caSJeff Kirsher ll->rdp = (LE_C0_BABL | LE_C0_CERR | LE_C0_MISS | LE_C0_MERR | 459b955f6caSJeff Kirsher LE_C0_IDON | LE_C0_INEA); 460b955f6caSJeff Kirsher return IRQ_HANDLED; 461b955f6caSJeff Kirsher } 462b955f6caSJeff Kirsher 463b955f6caSJeff Kirsher static int lance_open(struct net_device *dev) 464b955f6caSJeff Kirsher { 465b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 466b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 467b955f6caSJeff Kirsher int ret; 468b955f6caSJeff Kirsher 469b955f6caSJeff Kirsher /* Stop the Lance */ 470b955f6caSJeff Kirsher ll->rap = LE_CSR0; 471b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 472b955f6caSJeff Kirsher 473b955f6caSJeff Kirsher /* Install the Interrupt handler */ 474b955f6caSJeff Kirsher ret = request_irq(IRQ_AMIGA_PORTS, lance_interrupt, IRQF_SHARED, 475b955f6caSJeff Kirsher dev->name, dev); 476b955f6caSJeff Kirsher if (ret) 477b955f6caSJeff Kirsher return ret; 478b955f6caSJeff Kirsher 479b955f6caSJeff Kirsher load_csrs(lp); 480b955f6caSJeff Kirsher lance_init_ring(dev); 481b955f6caSJeff Kirsher 482b955f6caSJeff Kirsher netif_start_queue(dev); 483b955f6caSJeff Kirsher 484b955f6caSJeff Kirsher return init_restart_lance(lp); 485b955f6caSJeff Kirsher } 486b955f6caSJeff Kirsher 487b955f6caSJeff Kirsher static int lance_close(struct net_device *dev) 488b955f6caSJeff Kirsher { 489b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 490b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 491b955f6caSJeff Kirsher 492b955f6caSJeff Kirsher netif_stop_queue(dev); 493b955f6caSJeff Kirsher del_timer_sync(&lp->multicast_timer); 494b955f6caSJeff Kirsher 495b955f6caSJeff Kirsher /* Stop the card */ 496b955f6caSJeff Kirsher ll->rap = LE_CSR0; 497b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 498b955f6caSJeff Kirsher 499b955f6caSJeff Kirsher free_irq(IRQ_AMIGA_PORTS, dev); 500b955f6caSJeff Kirsher return 0; 501b955f6caSJeff Kirsher } 502b955f6caSJeff Kirsher 503b955f6caSJeff Kirsher static inline int lance_reset(struct net_device *dev) 504b955f6caSJeff Kirsher { 505b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 506b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 507b955f6caSJeff Kirsher int status; 508b955f6caSJeff Kirsher 509b955f6caSJeff Kirsher /* Stop the lance */ 510b955f6caSJeff Kirsher ll->rap = LE_CSR0; 511b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 512b955f6caSJeff Kirsher 513b955f6caSJeff Kirsher load_csrs(lp); 514b955f6caSJeff Kirsher 515b955f6caSJeff Kirsher lance_init_ring(dev); 516860e9538SFlorian Westphal netif_trans_update(dev); /* prevent tx timeout */ 517b955f6caSJeff Kirsher netif_start_queue(dev); 518b955f6caSJeff Kirsher 519b955f6caSJeff Kirsher status = init_restart_lance(lp); 520b955f6caSJeff Kirsher netdev_dbg(dev, "Lance restart=%d\n", status); 521b955f6caSJeff Kirsher 522b955f6caSJeff Kirsher return status; 523b955f6caSJeff Kirsher } 524b955f6caSJeff Kirsher 5250290bd29SMichael S. Tsirkin static void lance_tx_timeout(struct net_device *dev, unsigned int txqueue) 526b955f6caSJeff Kirsher { 527b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 528b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 529b955f6caSJeff Kirsher 530b955f6caSJeff Kirsher netdev_err(dev, "transmit timed out, status %04x, reset\n", ll->rdp); 531b955f6caSJeff Kirsher lance_reset(dev); 532b955f6caSJeff Kirsher netif_wake_queue(dev); 533b955f6caSJeff Kirsher } 534b955f6caSJeff Kirsher 535b955f6caSJeff Kirsher static netdev_tx_t lance_start_xmit(struct sk_buff *skb, 536b955f6caSJeff Kirsher struct net_device *dev) 537b955f6caSJeff Kirsher { 538b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 539b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 540b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 541b955f6caSJeff Kirsher int entry, skblen; 542b955f6caSJeff Kirsher int status = NETDEV_TX_OK; 543b955f6caSJeff Kirsher unsigned long flags; 544b955f6caSJeff Kirsher 545b955f6caSJeff Kirsher if (skb_padto(skb, ETH_ZLEN)) 546b955f6caSJeff Kirsher return NETDEV_TX_OK; 547b955f6caSJeff Kirsher skblen = max_t(unsigned, skb->len, ETH_ZLEN); 548b955f6caSJeff Kirsher 549b955f6caSJeff Kirsher local_irq_save(flags); 550b955f6caSJeff Kirsher 551926f2730SFlorian Westphal if (!lance_tx_buffs_avail(lp)) 552926f2730SFlorian Westphal goto out_free; 553b955f6caSJeff Kirsher 554b955f6caSJeff Kirsher #ifdef DEBUG 555b955f6caSJeff Kirsher /* dump the packet */ 556b955f6caSJeff Kirsher print_hex_dump(KERN_DEBUG, "skb->data: ", DUMP_PREFIX_NONE, 557b955f6caSJeff Kirsher 16, 1, skb->data, 64, true); 558b955f6caSJeff Kirsher #endif 559b955f6caSJeff Kirsher entry = lp->tx_new & lp->tx_ring_mod_mask; 560b955f6caSJeff Kirsher ib->btx_ring[entry].length = (-skblen) | 0xf000; 561b955f6caSJeff Kirsher ib->btx_ring[entry].misc = 0; 562b955f6caSJeff Kirsher 563b955f6caSJeff Kirsher skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], skblen); 564b955f6caSJeff Kirsher 565b955f6caSJeff Kirsher /* Now, give the packet to the lance */ 566b955f6caSJeff Kirsher ib->btx_ring[entry].tmd1_bits = (LE_T1_POK | LE_T1_OWN); 567b955f6caSJeff Kirsher lp->tx_new = (lp->tx_new+1) & lp->tx_ring_mod_mask; 568b955f6caSJeff Kirsher dev->stats.tx_bytes += skblen; 569b955f6caSJeff Kirsher 570b955f6caSJeff Kirsher if (lance_tx_buffs_avail(lp) <= 0) 571b955f6caSJeff Kirsher netif_stop_queue(dev); 572b955f6caSJeff Kirsher 573b955f6caSJeff Kirsher /* Kick the lance: transmit now */ 574b955f6caSJeff Kirsher ll->rdp = LE_C0_INEA | LE_C0_TDMD; 575926f2730SFlorian Westphal out_free: 576b955f6caSJeff Kirsher dev_kfree_skb(skb); 577b955f6caSJeff Kirsher 578b955f6caSJeff Kirsher local_irq_restore(flags); 579b955f6caSJeff Kirsher 580b955f6caSJeff Kirsher return status; 581b955f6caSJeff Kirsher } 582b955f6caSJeff Kirsher 583b955f6caSJeff Kirsher /* taken from the depca driver */ 584b955f6caSJeff Kirsher static void lance_load_multicast(struct net_device *dev) 585b955f6caSJeff Kirsher { 586b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 587b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 588b955f6caSJeff Kirsher volatile u16 *mcast_table = (u16 *)&ib->filter; 589b955f6caSJeff Kirsher struct netdev_hw_addr *ha; 590b955f6caSJeff Kirsher u32 crc; 591b955f6caSJeff Kirsher 592b955f6caSJeff Kirsher /* set all multicast bits */ 593b955f6caSJeff Kirsher if (dev->flags & IFF_ALLMULTI) { 594b955f6caSJeff Kirsher ib->filter[0] = 0xffffffff; 595b955f6caSJeff Kirsher ib->filter[1] = 0xffffffff; 596b955f6caSJeff Kirsher return; 597b955f6caSJeff Kirsher } 598b955f6caSJeff Kirsher /* clear the multicast filter */ 599b955f6caSJeff Kirsher ib->filter[0] = 0; 600b955f6caSJeff Kirsher ib->filter[1] = 0; 601b955f6caSJeff Kirsher 602b955f6caSJeff Kirsher /* Add addresses */ 603b955f6caSJeff Kirsher netdev_for_each_mc_addr(ha, dev) { 604b955f6caSJeff Kirsher crc = ether_crc_le(6, ha->addr); 605b955f6caSJeff Kirsher crc = crc >> 26; 606b955f6caSJeff Kirsher mcast_table[crc >> 4] |= 1 << (crc & 0xf); 607b955f6caSJeff Kirsher } 608b955f6caSJeff Kirsher } 609b955f6caSJeff Kirsher 610b955f6caSJeff Kirsher static void lance_set_multicast(struct net_device *dev) 611b955f6caSJeff Kirsher { 612b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 613b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 614b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 615b955f6caSJeff Kirsher 616b955f6caSJeff Kirsher if (!netif_running(dev)) 617b955f6caSJeff Kirsher return; 618b955f6caSJeff Kirsher 619b955f6caSJeff Kirsher if (lp->tx_old != lp->tx_new) { 620b955f6caSJeff Kirsher mod_timer(&lp->multicast_timer, jiffies + 4); 621b955f6caSJeff Kirsher netif_wake_queue(dev); 622b955f6caSJeff Kirsher return; 623b955f6caSJeff Kirsher } 624b955f6caSJeff Kirsher 625b955f6caSJeff Kirsher netif_stop_queue(dev); 626b955f6caSJeff Kirsher 627b955f6caSJeff Kirsher ll->rap = LE_CSR0; 628b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 629b955f6caSJeff Kirsher lance_init_ring(dev); 630b955f6caSJeff Kirsher 631b955f6caSJeff Kirsher if (dev->flags & IFF_PROMISC) { 632b955f6caSJeff Kirsher ib->mode |= LE_MO_PROM; 633b955f6caSJeff Kirsher } else { 634b955f6caSJeff Kirsher ib->mode &= ~LE_MO_PROM; 635b955f6caSJeff Kirsher lance_load_multicast(dev); 636b955f6caSJeff Kirsher } 637b955f6caSJeff Kirsher load_csrs(lp); 638b955f6caSJeff Kirsher init_restart_lance(lp); 639b955f6caSJeff Kirsher netif_wake_queue(dev); 640b955f6caSJeff Kirsher } 641b955f6caSJeff Kirsher 642c6c52ba1SKees Cook static void lance_set_multicast_retry(struct timer_list *t) 643c6c52ba1SKees Cook { 644c6c52ba1SKees Cook struct lance_private *lp = from_timer(lp, t, multicast_timer); 645c6c52ba1SKees Cook 646c6c52ba1SKees Cook lance_set_multicast(lp->dev); 647c6c52ba1SKees Cook } 648c6c52ba1SKees Cook 6490cb0568dSBill Pemberton static int a2065_init_one(struct zorro_dev *z, 650b955f6caSJeff Kirsher const struct zorro_device_id *ent); 6510cb0568dSBill Pemberton static void a2065_remove_one(struct zorro_dev *z); 652b955f6caSJeff Kirsher 653b955f6caSJeff Kirsher 654153890b4SArvind Yadav static const struct zorro_device_id a2065_zorro_tbl[] = { 655b955f6caSJeff Kirsher { ZORRO_PROD_CBM_A2065_1 }, 656b955f6caSJeff Kirsher { ZORRO_PROD_CBM_A2065_2 }, 657b955f6caSJeff Kirsher { ZORRO_PROD_AMERISTAR_A2065 }, 658b955f6caSJeff Kirsher { 0 } 659b955f6caSJeff Kirsher }; 660b955f6caSJeff Kirsher MODULE_DEVICE_TABLE(zorro, a2065_zorro_tbl); 661b955f6caSJeff Kirsher 662b955f6caSJeff Kirsher static struct zorro_driver a2065_driver = { 663b955f6caSJeff Kirsher .name = "a2065", 664b955f6caSJeff Kirsher .id_table = a2065_zorro_tbl, 665b955f6caSJeff Kirsher .probe = a2065_init_one, 6660cb0568dSBill Pemberton .remove = a2065_remove_one, 667b955f6caSJeff Kirsher }; 668b955f6caSJeff Kirsher 669b955f6caSJeff Kirsher static const struct net_device_ops lance_netdev_ops = { 670b955f6caSJeff Kirsher .ndo_open = lance_open, 671b955f6caSJeff Kirsher .ndo_stop = lance_close, 672b955f6caSJeff Kirsher .ndo_start_xmit = lance_start_xmit, 673b955f6caSJeff Kirsher .ndo_tx_timeout = lance_tx_timeout, 674afc4b13dSJiri Pirko .ndo_set_rx_mode = lance_set_multicast, 675b955f6caSJeff Kirsher .ndo_validate_addr = eth_validate_addr, 676b955f6caSJeff Kirsher .ndo_set_mac_address = eth_mac_addr, 677b955f6caSJeff Kirsher }; 678b955f6caSJeff Kirsher 6790cb0568dSBill Pemberton static int a2065_init_one(struct zorro_dev *z, 680b955f6caSJeff Kirsher const struct zorro_device_id *ent) 681b955f6caSJeff Kirsher { 682b955f6caSJeff Kirsher struct net_device *dev; 683b955f6caSJeff Kirsher struct lance_private *priv; 684b955f6caSJeff Kirsher unsigned long board = z->resource.start; 685b955f6caSJeff Kirsher unsigned long base_addr = board + A2065_LANCE; 686b955f6caSJeff Kirsher unsigned long mem_start = board + A2065_RAM; 687b955f6caSJeff Kirsher struct resource *r1, *r2; 688bd9ba8f4SGeert Uytterhoeven u32 serial; 689b955f6caSJeff Kirsher int err; 690b955f6caSJeff Kirsher 691b955f6caSJeff Kirsher r1 = request_mem_region(base_addr, sizeof(struct lance_regs), 692b955f6caSJeff Kirsher "Am7990"); 693b955f6caSJeff Kirsher if (!r1) 694b955f6caSJeff Kirsher return -EBUSY; 695b955f6caSJeff Kirsher r2 = request_mem_region(mem_start, A2065_RAM_SIZE, "RAM"); 696b955f6caSJeff Kirsher if (!r2) { 697b955f6caSJeff Kirsher release_mem_region(base_addr, sizeof(struct lance_regs)); 698b955f6caSJeff Kirsher return -EBUSY; 699b955f6caSJeff Kirsher } 700b955f6caSJeff Kirsher 701b955f6caSJeff Kirsher dev = alloc_etherdev(sizeof(struct lance_private)); 702b955f6caSJeff Kirsher if (dev == NULL) { 703b955f6caSJeff Kirsher release_mem_region(base_addr, sizeof(struct lance_regs)); 704b955f6caSJeff Kirsher release_mem_region(mem_start, A2065_RAM_SIZE); 705b955f6caSJeff Kirsher return -ENOMEM; 706b955f6caSJeff Kirsher } 707b955f6caSJeff Kirsher 708b955f6caSJeff Kirsher priv = netdev_priv(dev); 709b955f6caSJeff Kirsher 710b955f6caSJeff Kirsher r1->name = dev->name; 711b955f6caSJeff Kirsher r2->name = dev->name; 712b955f6caSJeff Kirsher 713bd9ba8f4SGeert Uytterhoeven serial = be32_to_cpu(z->rom.er_SerialNumber); 714b955f6caSJeff Kirsher dev->dev_addr[0] = 0x00; 715b955f6caSJeff Kirsher if (z->id != ZORRO_PROD_AMERISTAR_A2065) { /* Commodore */ 716b955f6caSJeff Kirsher dev->dev_addr[1] = 0x80; 717b955f6caSJeff Kirsher dev->dev_addr[2] = 0x10; 718b955f6caSJeff Kirsher } else { /* Ameristar */ 719b955f6caSJeff Kirsher dev->dev_addr[1] = 0x00; 720b955f6caSJeff Kirsher dev->dev_addr[2] = 0x9f; 721b955f6caSJeff Kirsher } 722bd9ba8f4SGeert Uytterhoeven dev->dev_addr[3] = (serial >> 16) & 0xff; 723bd9ba8f4SGeert Uytterhoeven dev->dev_addr[4] = (serial >> 8) & 0xff; 724bd9ba8f4SGeert Uytterhoeven dev->dev_addr[5] = serial & 0xff; 7256112ea08SGeert Uytterhoeven dev->base_addr = (unsigned long)ZTWO_VADDR(base_addr); 7266112ea08SGeert Uytterhoeven dev->mem_start = (unsigned long)ZTWO_VADDR(mem_start); 727b955f6caSJeff Kirsher dev->mem_end = dev->mem_start + A2065_RAM_SIZE; 728b955f6caSJeff Kirsher 729b955f6caSJeff Kirsher priv->ll = (volatile struct lance_regs *)dev->base_addr; 730b955f6caSJeff Kirsher priv->init_block = (struct lance_init_block *)dev->mem_start; 731b955f6caSJeff Kirsher priv->lance_init_block = (struct lance_init_block *)A2065_RAM; 732b955f6caSJeff Kirsher priv->auto_select = 0; 733b955f6caSJeff Kirsher priv->busmaster_regval = LE_C3_BSWP; 734b955f6caSJeff Kirsher 735b955f6caSJeff Kirsher priv->lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS; 736b955f6caSJeff Kirsher priv->lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS; 737b955f6caSJeff Kirsher priv->rx_ring_mod_mask = RX_RING_MOD_MASK; 738b955f6caSJeff Kirsher priv->tx_ring_mod_mask = TX_RING_MOD_MASK; 739c6c52ba1SKees Cook priv->dev = dev; 740b955f6caSJeff Kirsher 741b955f6caSJeff Kirsher dev->netdev_ops = &lance_netdev_ops; 742b955f6caSJeff Kirsher dev->watchdog_timeo = 5*HZ; 743b955f6caSJeff Kirsher dev->dma = 0; 744b955f6caSJeff Kirsher 745c6c52ba1SKees Cook timer_setup(&priv->multicast_timer, lance_set_multicast_retry, 0); 746b955f6caSJeff Kirsher 747b955f6caSJeff Kirsher err = register_netdev(dev); 748b955f6caSJeff Kirsher if (err) { 749b955f6caSJeff Kirsher release_mem_region(base_addr, sizeof(struct lance_regs)); 750b955f6caSJeff Kirsher release_mem_region(mem_start, A2065_RAM_SIZE); 751b955f6caSJeff Kirsher free_netdev(dev); 752b955f6caSJeff Kirsher return err; 753b955f6caSJeff Kirsher } 754b955f6caSJeff Kirsher zorro_set_drvdata(z, dev); 755b955f6caSJeff Kirsher 756b955f6caSJeff Kirsher netdev_info(dev, "A2065 at 0x%08lx, Ethernet Address %pM\n", 757b955f6caSJeff Kirsher board, dev->dev_addr); 758b955f6caSJeff Kirsher 759b955f6caSJeff Kirsher return 0; 760b955f6caSJeff Kirsher } 761b955f6caSJeff Kirsher 762b955f6caSJeff Kirsher 7630cb0568dSBill Pemberton static void a2065_remove_one(struct zorro_dev *z) 764b955f6caSJeff Kirsher { 765b955f6caSJeff Kirsher struct net_device *dev = zorro_get_drvdata(z); 766b955f6caSJeff Kirsher 767b955f6caSJeff Kirsher unregister_netdev(dev); 768b955f6caSJeff Kirsher release_mem_region(ZTWO_PADDR(dev->base_addr), 769b955f6caSJeff Kirsher sizeof(struct lance_regs)); 770b955f6caSJeff Kirsher release_mem_region(ZTWO_PADDR(dev->mem_start), A2065_RAM_SIZE); 771b955f6caSJeff Kirsher free_netdev(dev); 772b955f6caSJeff Kirsher } 773b955f6caSJeff Kirsher 774b955f6caSJeff Kirsher static int __init a2065_init_module(void) 775b955f6caSJeff Kirsher { 776b955f6caSJeff Kirsher return zorro_register_driver(&a2065_driver); 777b955f6caSJeff Kirsher } 778b955f6caSJeff Kirsher 779b955f6caSJeff Kirsher static void __exit a2065_cleanup_module(void) 780b955f6caSJeff Kirsher { 781b955f6caSJeff Kirsher zorro_unregister_driver(&a2065_driver); 782b955f6caSJeff Kirsher } 783b955f6caSJeff Kirsher 784b955f6caSJeff Kirsher module_init(a2065_init_module); 785b955f6caSJeff Kirsher module_exit(a2065_cleanup_module); 786b955f6caSJeff Kirsher 787b955f6caSJeff Kirsher MODULE_LICENSE("GPL"); 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