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 struct timer_list multicast_timer; 122c6c52ba1SKees Cook struct net_device *dev; 123b955f6caSJeff Kirsher }; 124b955f6caSJeff Kirsher 125b955f6caSJeff Kirsher #define LANCE_ADDR(x) ((int)(x) & ~0xff000000) 126b955f6caSJeff Kirsher 127b955f6caSJeff Kirsher /* Load the CSR registers */ 128b955f6caSJeff Kirsher static void load_csrs(struct lance_private *lp) 129b955f6caSJeff Kirsher { 130b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 131b955f6caSJeff Kirsher volatile struct lance_init_block *aib = lp->lance_init_block; 132b955f6caSJeff Kirsher int leptr = LANCE_ADDR(aib); 133b955f6caSJeff Kirsher 134b955f6caSJeff Kirsher ll->rap = LE_CSR1; 135b955f6caSJeff Kirsher ll->rdp = (leptr & 0xFFFF); 136b955f6caSJeff Kirsher ll->rap = LE_CSR2; 137b955f6caSJeff Kirsher ll->rdp = leptr >> 16; 138b955f6caSJeff Kirsher ll->rap = LE_CSR3; 139b955f6caSJeff Kirsher ll->rdp = lp->busmaster_regval; 140b955f6caSJeff Kirsher 141b955f6caSJeff Kirsher /* Point back to csr0 */ 142b955f6caSJeff Kirsher ll->rap = LE_CSR0; 143b955f6caSJeff Kirsher } 144b955f6caSJeff Kirsher 145b955f6caSJeff Kirsher /* Setup the Lance Rx and Tx rings */ 146b955f6caSJeff Kirsher static void lance_init_ring(struct net_device *dev) 147b955f6caSJeff Kirsher { 148b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 149b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 150b955f6caSJeff Kirsher volatile struct lance_init_block *aib = lp->lance_init_block; 151b955f6caSJeff Kirsher /* for LANCE_ADDR computations */ 152b955f6caSJeff Kirsher int leptr; 153b955f6caSJeff Kirsher int i; 154b955f6caSJeff Kirsher 155b955f6caSJeff Kirsher /* Lock out other processes while setting up hardware */ 156b955f6caSJeff Kirsher netif_stop_queue(dev); 157b955f6caSJeff Kirsher lp->rx_new = lp->tx_new = 0; 158b955f6caSJeff Kirsher lp->rx_old = lp->tx_old = 0; 159b955f6caSJeff Kirsher 160b955f6caSJeff Kirsher ib->mode = 0; 161b955f6caSJeff Kirsher 162b955f6caSJeff Kirsher /* Copy the ethernet address to the lance init block 163b955f6caSJeff Kirsher * Note that on the sparc you need to swap the ethernet address. 164b955f6caSJeff Kirsher */ 165b955f6caSJeff Kirsher ib->phys_addr[0] = dev->dev_addr[1]; 166b955f6caSJeff Kirsher ib->phys_addr[1] = dev->dev_addr[0]; 167b955f6caSJeff Kirsher ib->phys_addr[2] = dev->dev_addr[3]; 168b955f6caSJeff Kirsher ib->phys_addr[3] = dev->dev_addr[2]; 169b955f6caSJeff Kirsher ib->phys_addr[4] = dev->dev_addr[5]; 170b955f6caSJeff Kirsher ib->phys_addr[5] = dev->dev_addr[4]; 171b955f6caSJeff Kirsher 172b955f6caSJeff Kirsher /* Setup the Tx ring entries */ 173b955f6caSJeff Kirsher netdev_dbg(dev, "TX rings:\n"); 174b955f6caSJeff Kirsher for (i = 0; i <= 1 << lp->lance_log_tx_bufs; i++) { 175b955f6caSJeff Kirsher leptr = LANCE_ADDR(&aib->tx_buf[i][0]); 176b955f6caSJeff Kirsher ib->btx_ring[i].tmd0 = leptr; 177b955f6caSJeff Kirsher ib->btx_ring[i].tmd1_hadr = leptr >> 16; 178b955f6caSJeff Kirsher ib->btx_ring[i].tmd1_bits = 0; 179b955f6caSJeff Kirsher ib->btx_ring[i].length = 0xf000; /* The ones required by tmd2 */ 180b955f6caSJeff Kirsher ib->btx_ring[i].misc = 0; 181b955f6caSJeff Kirsher if (i < 3) 182b955f6caSJeff Kirsher netdev_dbg(dev, "%d: 0x%08x\n", i, leptr); 183b955f6caSJeff Kirsher } 184b955f6caSJeff Kirsher 185b955f6caSJeff Kirsher /* Setup the Rx ring entries */ 186b955f6caSJeff Kirsher netdev_dbg(dev, "RX rings:\n"); 187b955f6caSJeff Kirsher for (i = 0; i < 1 << lp->lance_log_rx_bufs; i++) { 188b955f6caSJeff Kirsher leptr = LANCE_ADDR(&aib->rx_buf[i][0]); 189b955f6caSJeff Kirsher 190b955f6caSJeff Kirsher ib->brx_ring[i].rmd0 = leptr; 191b955f6caSJeff Kirsher ib->brx_ring[i].rmd1_hadr = leptr >> 16; 192b955f6caSJeff Kirsher ib->brx_ring[i].rmd1_bits = LE_R1_OWN; 193b955f6caSJeff Kirsher ib->brx_ring[i].length = -RX_BUFF_SIZE | 0xf000; 194b955f6caSJeff Kirsher ib->brx_ring[i].mblength = 0; 195b955f6caSJeff Kirsher if (i < 3) 196b955f6caSJeff Kirsher netdev_dbg(dev, "%d: 0x%08x\n", i, leptr); 197b955f6caSJeff Kirsher } 198b955f6caSJeff Kirsher 199b955f6caSJeff Kirsher /* Setup the initialization block */ 200b955f6caSJeff Kirsher 201b955f6caSJeff Kirsher /* Setup rx descriptor pointer */ 202b955f6caSJeff Kirsher leptr = LANCE_ADDR(&aib->brx_ring); 203b955f6caSJeff Kirsher ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16); 204b955f6caSJeff Kirsher ib->rx_ptr = leptr; 205b955f6caSJeff Kirsher netdev_dbg(dev, "RX ptr: %08x\n", leptr); 206b955f6caSJeff Kirsher 207b955f6caSJeff Kirsher /* Setup tx descriptor pointer */ 208b955f6caSJeff Kirsher leptr = LANCE_ADDR(&aib->btx_ring); 209b955f6caSJeff Kirsher ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16); 210b955f6caSJeff Kirsher ib->tx_ptr = leptr; 211b955f6caSJeff Kirsher netdev_dbg(dev, "TX ptr: %08x\n", leptr); 212b955f6caSJeff Kirsher 213b955f6caSJeff Kirsher /* Clear the multicast filter */ 214b955f6caSJeff Kirsher ib->filter[0] = 0; 215b955f6caSJeff Kirsher ib->filter[1] = 0; 216b955f6caSJeff Kirsher } 217b955f6caSJeff Kirsher 218b955f6caSJeff Kirsher static int init_restart_lance(struct lance_private *lp) 219b955f6caSJeff Kirsher { 220b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 221b955f6caSJeff Kirsher int i; 222b955f6caSJeff Kirsher 223b955f6caSJeff Kirsher ll->rap = LE_CSR0; 224b955f6caSJeff Kirsher ll->rdp = LE_C0_INIT; 225b955f6caSJeff Kirsher 226b955f6caSJeff Kirsher /* Wait for the lance to complete initialization */ 227b955f6caSJeff Kirsher for (i = 0; (i < 100) && !(ll->rdp & (LE_C0_ERR | LE_C0_IDON)); i++) 228b955f6caSJeff Kirsher barrier(); 229b955f6caSJeff Kirsher if ((i == 100) || (ll->rdp & LE_C0_ERR)) { 230b955f6caSJeff Kirsher pr_err("unopened after %d ticks, csr0=%04x\n", i, ll->rdp); 231b955f6caSJeff Kirsher return -EIO; 232b955f6caSJeff Kirsher } 233b955f6caSJeff Kirsher 234b955f6caSJeff Kirsher /* Clear IDON by writing a "1", enable interrupts and start lance */ 235b955f6caSJeff Kirsher ll->rdp = LE_C0_IDON; 236b955f6caSJeff Kirsher ll->rdp = LE_C0_INEA | LE_C0_STRT; 237b955f6caSJeff Kirsher 238b955f6caSJeff Kirsher return 0; 239b955f6caSJeff Kirsher } 240b955f6caSJeff Kirsher 241b955f6caSJeff Kirsher static int lance_rx(struct net_device *dev) 242b955f6caSJeff Kirsher { 243b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 244b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 245b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 246b955f6caSJeff Kirsher volatile struct lance_rx_desc *rd; 247b955f6caSJeff Kirsher unsigned char bits; 248b955f6caSJeff Kirsher 249b955f6caSJeff Kirsher #ifdef TEST_HITS 250b955f6caSJeff Kirsher int i; 251b955f6caSJeff Kirsher char buf[RX_RING_SIZE + 1]; 252b955f6caSJeff Kirsher 253b955f6caSJeff Kirsher for (i = 0; i < RX_RING_SIZE; i++) { 254b955f6caSJeff Kirsher char r1_own = ib->brx_ring[i].rmd1_bits & LE_R1_OWN; 255b955f6caSJeff Kirsher if (i == lp->rx_new) 256b955f6caSJeff Kirsher buf[i] = r1_own ? '_' : 'X'; 257b955f6caSJeff Kirsher else 258b955f6caSJeff Kirsher buf[i] = r1_own ? '.' : '1'; 259b955f6caSJeff Kirsher } 260b955f6caSJeff Kirsher buf[RX_RING_SIZE] = 0; 261b955f6caSJeff Kirsher 262b955f6caSJeff Kirsher pr_debug("RxRing TestHits: [%s]\n", buf); 263b955f6caSJeff Kirsher #endif 264b955f6caSJeff Kirsher 265b955f6caSJeff Kirsher ll->rdp = LE_C0_RINT | LE_C0_INEA; 266b955f6caSJeff Kirsher for (rd = &ib->brx_ring[lp->rx_new]; 267b955f6caSJeff Kirsher !((bits = rd->rmd1_bits) & LE_R1_OWN); 268b955f6caSJeff Kirsher rd = &ib->brx_ring[lp->rx_new]) { 269b955f6caSJeff Kirsher 270b955f6caSJeff Kirsher /* We got an incomplete frame? */ 271b955f6caSJeff Kirsher if ((bits & LE_R1_POK) != LE_R1_POK) { 272b955f6caSJeff Kirsher dev->stats.rx_over_errors++; 273b955f6caSJeff Kirsher dev->stats.rx_errors++; 274b955f6caSJeff Kirsher continue; 275b955f6caSJeff Kirsher } else if (bits & LE_R1_ERR) { 276b955f6caSJeff Kirsher /* Count only the end frame as a rx error, 277b955f6caSJeff Kirsher * not the beginning 278b955f6caSJeff Kirsher */ 279b955f6caSJeff Kirsher if (bits & LE_R1_BUF) 280b955f6caSJeff Kirsher dev->stats.rx_fifo_errors++; 281b955f6caSJeff Kirsher if (bits & LE_R1_CRC) 282b955f6caSJeff Kirsher dev->stats.rx_crc_errors++; 283b955f6caSJeff Kirsher if (bits & LE_R1_OFL) 284b955f6caSJeff Kirsher dev->stats.rx_over_errors++; 285b955f6caSJeff Kirsher if (bits & LE_R1_FRA) 286b955f6caSJeff Kirsher dev->stats.rx_frame_errors++; 287b955f6caSJeff Kirsher if (bits & LE_R1_EOP) 288b955f6caSJeff Kirsher dev->stats.rx_errors++; 289b955f6caSJeff Kirsher } else { 290b955f6caSJeff Kirsher int len = (rd->mblength & 0xfff) - 4; 2911d266430SPradeep A Dalvi struct sk_buff *skb = netdev_alloc_skb(dev, len + 2); 292b955f6caSJeff Kirsher 293b955f6caSJeff Kirsher if (!skb) { 294b955f6caSJeff Kirsher dev->stats.rx_dropped++; 295b955f6caSJeff Kirsher rd->mblength = 0; 296b955f6caSJeff Kirsher rd->rmd1_bits = LE_R1_OWN; 297b955f6caSJeff Kirsher lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask; 298b955f6caSJeff Kirsher return 0; 299b955f6caSJeff Kirsher } 300b955f6caSJeff Kirsher 301b955f6caSJeff Kirsher skb_reserve(skb, 2); /* 16 byte align */ 302b955f6caSJeff Kirsher skb_put(skb, len); /* make room */ 303b955f6caSJeff Kirsher skb_copy_to_linear_data(skb, 304b955f6caSJeff Kirsher (unsigned char *)&ib->rx_buf[lp->rx_new][0], 305b955f6caSJeff Kirsher len); 306b955f6caSJeff Kirsher skb->protocol = eth_type_trans(skb, dev); 307b955f6caSJeff Kirsher netif_rx(skb); 308b955f6caSJeff Kirsher dev->stats.rx_packets++; 309b955f6caSJeff Kirsher dev->stats.rx_bytes += len; 310b955f6caSJeff Kirsher } 311b955f6caSJeff Kirsher 312b955f6caSJeff Kirsher /* Return the packet to the pool */ 313b955f6caSJeff Kirsher rd->mblength = 0; 314b955f6caSJeff Kirsher rd->rmd1_bits = LE_R1_OWN; 315b955f6caSJeff Kirsher lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask; 316b955f6caSJeff Kirsher } 317b955f6caSJeff Kirsher return 0; 318b955f6caSJeff Kirsher } 319b955f6caSJeff Kirsher 320b955f6caSJeff Kirsher static int lance_tx(struct net_device *dev) 321b955f6caSJeff Kirsher { 322b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 323b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 324b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 325b955f6caSJeff Kirsher volatile struct lance_tx_desc *td; 326b955f6caSJeff Kirsher int i, j; 327b955f6caSJeff Kirsher int status; 328b955f6caSJeff Kirsher 329b955f6caSJeff Kirsher /* csr0 is 2f3 */ 330b955f6caSJeff Kirsher ll->rdp = LE_C0_TINT | LE_C0_INEA; 331b955f6caSJeff Kirsher /* csr0 is 73 */ 332b955f6caSJeff Kirsher 333b955f6caSJeff Kirsher j = lp->tx_old; 334b955f6caSJeff Kirsher for (i = j; i != lp->tx_new; i = j) { 335b955f6caSJeff Kirsher td = &ib->btx_ring[i]; 336b955f6caSJeff Kirsher 337b955f6caSJeff Kirsher /* If we hit a packet not owned by us, stop */ 338b955f6caSJeff Kirsher if (td->tmd1_bits & LE_T1_OWN) 339b955f6caSJeff Kirsher break; 340b955f6caSJeff Kirsher 341b955f6caSJeff Kirsher if (td->tmd1_bits & LE_T1_ERR) { 342b955f6caSJeff Kirsher status = td->misc; 343b955f6caSJeff Kirsher 344b955f6caSJeff Kirsher dev->stats.tx_errors++; 345b955f6caSJeff Kirsher if (status & LE_T3_RTY) 346b955f6caSJeff Kirsher dev->stats.tx_aborted_errors++; 347b955f6caSJeff Kirsher if (status & LE_T3_LCOL) 348b955f6caSJeff Kirsher dev->stats.tx_window_errors++; 349b955f6caSJeff Kirsher 350b955f6caSJeff Kirsher if (status & LE_T3_CLOS) { 351b955f6caSJeff Kirsher dev->stats.tx_carrier_errors++; 352b955f6caSJeff Kirsher if (lp->auto_select) { 353b955f6caSJeff Kirsher lp->tpe = 1 - lp->tpe; 354b955f6caSJeff Kirsher netdev_err(dev, "Carrier Lost, trying %s\n", 355b955f6caSJeff Kirsher lp->tpe ? "TPE" : "AUI"); 356b955f6caSJeff Kirsher /* Stop the lance */ 357b955f6caSJeff Kirsher ll->rap = LE_CSR0; 358b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 359b955f6caSJeff Kirsher lance_init_ring(dev); 360b955f6caSJeff Kirsher load_csrs(lp); 361b955f6caSJeff Kirsher init_restart_lance(lp); 362b955f6caSJeff Kirsher return 0; 363b955f6caSJeff Kirsher } 364b955f6caSJeff Kirsher } 365b955f6caSJeff Kirsher 366b955f6caSJeff Kirsher /* buffer errors and underflows turn off 367b955f6caSJeff Kirsher * the transmitter, so restart the adapter 368b955f6caSJeff Kirsher */ 369b955f6caSJeff Kirsher if (status & (LE_T3_BUF | LE_T3_UFL)) { 370b955f6caSJeff Kirsher dev->stats.tx_fifo_errors++; 371b955f6caSJeff Kirsher 372b955f6caSJeff Kirsher netdev_err(dev, "Tx: ERR_BUF|ERR_UFL, restarting\n"); 373b955f6caSJeff Kirsher /* Stop the lance */ 374b955f6caSJeff Kirsher ll->rap = LE_CSR0; 375b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 376b955f6caSJeff Kirsher lance_init_ring(dev); 377b955f6caSJeff Kirsher load_csrs(lp); 378b955f6caSJeff Kirsher init_restart_lance(lp); 379b955f6caSJeff Kirsher return 0; 380b955f6caSJeff Kirsher } 381b955f6caSJeff Kirsher } else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) { 382b955f6caSJeff Kirsher /* So we don't count the packet more than once. */ 383b955f6caSJeff Kirsher td->tmd1_bits &= ~(LE_T1_POK); 384b955f6caSJeff Kirsher 385b955f6caSJeff Kirsher /* One collision before packet was sent. */ 386b955f6caSJeff Kirsher if (td->tmd1_bits & LE_T1_EONE) 387b955f6caSJeff Kirsher dev->stats.collisions++; 388b955f6caSJeff Kirsher 389b955f6caSJeff Kirsher /* More than one collision, be optimistic. */ 390b955f6caSJeff Kirsher if (td->tmd1_bits & LE_T1_EMORE) 391b955f6caSJeff Kirsher dev->stats.collisions += 2; 392b955f6caSJeff Kirsher 393b955f6caSJeff Kirsher dev->stats.tx_packets++; 394b955f6caSJeff Kirsher } 395b955f6caSJeff Kirsher 396b955f6caSJeff Kirsher j = (j + 1) & lp->tx_ring_mod_mask; 397b955f6caSJeff Kirsher } 398b955f6caSJeff Kirsher lp->tx_old = j; 399b955f6caSJeff Kirsher ll->rdp = LE_C0_TINT | LE_C0_INEA; 400b955f6caSJeff Kirsher return 0; 401b955f6caSJeff Kirsher } 402b955f6caSJeff Kirsher 403b955f6caSJeff Kirsher static int lance_tx_buffs_avail(struct lance_private *lp) 404b955f6caSJeff Kirsher { 405b955f6caSJeff Kirsher if (lp->tx_old <= lp->tx_new) 406b955f6caSJeff Kirsher return lp->tx_old + lp->tx_ring_mod_mask - lp->tx_new; 407b955f6caSJeff Kirsher return lp->tx_old - lp->tx_new - 1; 408b955f6caSJeff Kirsher } 409b955f6caSJeff Kirsher 410b955f6caSJeff Kirsher static irqreturn_t lance_interrupt(int irq, void *dev_id) 411b955f6caSJeff Kirsher { 412b955f6caSJeff Kirsher struct net_device *dev = dev_id; 413b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 414b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 415b955f6caSJeff Kirsher int csr0; 416b955f6caSJeff Kirsher 417b955f6caSJeff Kirsher ll->rap = LE_CSR0; /* LANCE Controller Status */ 418b955f6caSJeff Kirsher csr0 = ll->rdp; 419b955f6caSJeff Kirsher 420b955f6caSJeff Kirsher if (!(csr0 & LE_C0_INTR)) /* Check if any interrupt has */ 421b955f6caSJeff Kirsher return IRQ_NONE; /* been generated by the Lance. */ 422b955f6caSJeff Kirsher 423b955f6caSJeff Kirsher /* Acknowledge all the interrupt sources ASAP */ 424b955f6caSJeff Kirsher ll->rdp = csr0 & ~(LE_C0_INEA | LE_C0_TDMD | LE_C0_STOP | LE_C0_STRT | 425b955f6caSJeff Kirsher LE_C0_INIT); 426b955f6caSJeff Kirsher 427b955f6caSJeff Kirsher if (csr0 & LE_C0_ERR) { 428b955f6caSJeff Kirsher /* Clear the error condition */ 429b955f6caSJeff Kirsher ll->rdp = LE_C0_BABL | LE_C0_ERR | LE_C0_MISS | LE_C0_INEA; 430b955f6caSJeff Kirsher } 431b955f6caSJeff Kirsher 432b955f6caSJeff Kirsher if (csr0 & LE_C0_RINT) 433b955f6caSJeff Kirsher lance_rx(dev); 434b955f6caSJeff Kirsher 435b955f6caSJeff Kirsher if (csr0 & LE_C0_TINT) 436b955f6caSJeff Kirsher lance_tx(dev); 437b955f6caSJeff Kirsher 438b955f6caSJeff Kirsher /* Log misc errors. */ 439b955f6caSJeff Kirsher if (csr0 & LE_C0_BABL) 440b955f6caSJeff Kirsher dev->stats.tx_errors++; /* Tx babble. */ 441b955f6caSJeff Kirsher if (csr0 & LE_C0_MISS) 442b955f6caSJeff Kirsher dev->stats.rx_errors++; /* Missed a Rx frame. */ 443b955f6caSJeff Kirsher if (csr0 & LE_C0_MERR) { 444b955f6caSJeff Kirsher netdev_err(dev, "Bus master arbitration failure, status %04x\n", 445b955f6caSJeff Kirsher csr0); 446b955f6caSJeff Kirsher /* Restart the chip. */ 447b955f6caSJeff Kirsher ll->rdp = LE_C0_STRT; 448b955f6caSJeff Kirsher } 449b955f6caSJeff Kirsher 450b955f6caSJeff Kirsher if (netif_queue_stopped(dev) && lance_tx_buffs_avail(lp) > 0) 451b955f6caSJeff Kirsher netif_wake_queue(dev); 452b955f6caSJeff Kirsher 453b955f6caSJeff Kirsher ll->rap = LE_CSR0; 454b955f6caSJeff Kirsher ll->rdp = (LE_C0_BABL | LE_C0_CERR | LE_C0_MISS | LE_C0_MERR | 455b955f6caSJeff Kirsher LE_C0_IDON | LE_C0_INEA); 456b955f6caSJeff Kirsher return IRQ_HANDLED; 457b955f6caSJeff Kirsher } 458b955f6caSJeff Kirsher 459b955f6caSJeff Kirsher static int lance_open(struct net_device *dev) 460b955f6caSJeff Kirsher { 461b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 462b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 463b955f6caSJeff Kirsher int ret; 464b955f6caSJeff Kirsher 465b955f6caSJeff Kirsher /* Stop the Lance */ 466b955f6caSJeff Kirsher ll->rap = LE_CSR0; 467b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 468b955f6caSJeff Kirsher 469b955f6caSJeff Kirsher /* Install the Interrupt handler */ 470b955f6caSJeff Kirsher ret = request_irq(IRQ_AMIGA_PORTS, lance_interrupt, IRQF_SHARED, 471b955f6caSJeff Kirsher dev->name, dev); 472b955f6caSJeff Kirsher if (ret) 473b955f6caSJeff Kirsher return ret; 474b955f6caSJeff Kirsher 475b955f6caSJeff Kirsher load_csrs(lp); 476b955f6caSJeff Kirsher lance_init_ring(dev); 477b955f6caSJeff Kirsher 478b955f6caSJeff Kirsher netif_start_queue(dev); 479b955f6caSJeff Kirsher 480b955f6caSJeff Kirsher return init_restart_lance(lp); 481b955f6caSJeff Kirsher } 482b955f6caSJeff Kirsher 483b955f6caSJeff Kirsher static int lance_close(struct net_device *dev) 484b955f6caSJeff Kirsher { 485b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 486b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 487b955f6caSJeff Kirsher 488b955f6caSJeff Kirsher netif_stop_queue(dev); 489b955f6caSJeff Kirsher del_timer_sync(&lp->multicast_timer); 490b955f6caSJeff Kirsher 491b955f6caSJeff Kirsher /* Stop the card */ 492b955f6caSJeff Kirsher ll->rap = LE_CSR0; 493b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 494b955f6caSJeff Kirsher 495b955f6caSJeff Kirsher free_irq(IRQ_AMIGA_PORTS, dev); 496b955f6caSJeff Kirsher return 0; 497b955f6caSJeff Kirsher } 498b955f6caSJeff Kirsher 499b955f6caSJeff Kirsher static inline int lance_reset(struct net_device *dev) 500b955f6caSJeff Kirsher { 501b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 502b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 503b955f6caSJeff Kirsher int status; 504b955f6caSJeff Kirsher 505b955f6caSJeff Kirsher /* Stop the lance */ 506b955f6caSJeff Kirsher ll->rap = LE_CSR0; 507b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 508b955f6caSJeff Kirsher 509b955f6caSJeff Kirsher load_csrs(lp); 510b955f6caSJeff Kirsher 511b955f6caSJeff Kirsher lance_init_ring(dev); 512860e9538SFlorian Westphal netif_trans_update(dev); /* prevent tx timeout */ 513b955f6caSJeff Kirsher netif_start_queue(dev); 514b955f6caSJeff Kirsher 515b955f6caSJeff Kirsher status = init_restart_lance(lp); 516b955f6caSJeff Kirsher netdev_dbg(dev, "Lance restart=%d\n", status); 517b955f6caSJeff Kirsher 518b955f6caSJeff Kirsher return status; 519b955f6caSJeff Kirsher } 520b955f6caSJeff Kirsher 5210290bd29SMichael S. Tsirkin static void lance_tx_timeout(struct net_device *dev, unsigned int txqueue) 522b955f6caSJeff Kirsher { 523b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 524b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 525b955f6caSJeff Kirsher 526b955f6caSJeff Kirsher netdev_err(dev, "transmit timed out, status %04x, reset\n", ll->rdp); 527b955f6caSJeff Kirsher lance_reset(dev); 528b955f6caSJeff Kirsher netif_wake_queue(dev); 529b955f6caSJeff Kirsher } 530b955f6caSJeff Kirsher 531b955f6caSJeff Kirsher static netdev_tx_t lance_start_xmit(struct sk_buff *skb, 532b955f6caSJeff Kirsher struct net_device *dev) 533b955f6caSJeff Kirsher { 534b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 535b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 536b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 537b955f6caSJeff Kirsher int entry, skblen; 538b955f6caSJeff Kirsher int status = NETDEV_TX_OK; 539b955f6caSJeff Kirsher unsigned long flags; 540b955f6caSJeff Kirsher 541b955f6caSJeff Kirsher if (skb_padto(skb, ETH_ZLEN)) 542b955f6caSJeff Kirsher return NETDEV_TX_OK; 543b955f6caSJeff Kirsher skblen = max_t(unsigned, skb->len, ETH_ZLEN); 544b955f6caSJeff Kirsher 545b955f6caSJeff Kirsher local_irq_save(flags); 546b955f6caSJeff Kirsher 547926f2730SFlorian Westphal if (!lance_tx_buffs_avail(lp)) 548926f2730SFlorian Westphal goto out_free; 549b955f6caSJeff Kirsher 550b955f6caSJeff Kirsher /* dump the packet */ 551e07c5f2eSGeert Uytterhoeven print_hex_dump_debug("skb->data: ", DUMP_PREFIX_NONE, 16, 1, skb->data, 552e07c5f2eSGeert Uytterhoeven 64, true); 553e07c5f2eSGeert Uytterhoeven 554b955f6caSJeff Kirsher entry = lp->tx_new & lp->tx_ring_mod_mask; 555b955f6caSJeff Kirsher ib->btx_ring[entry].length = (-skblen) | 0xf000; 556b955f6caSJeff Kirsher ib->btx_ring[entry].misc = 0; 557b955f6caSJeff Kirsher 558b955f6caSJeff Kirsher skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], skblen); 559b955f6caSJeff Kirsher 560b955f6caSJeff Kirsher /* Now, give the packet to the lance */ 561b955f6caSJeff Kirsher ib->btx_ring[entry].tmd1_bits = (LE_T1_POK | LE_T1_OWN); 562b955f6caSJeff Kirsher lp->tx_new = (lp->tx_new+1) & lp->tx_ring_mod_mask; 563b955f6caSJeff Kirsher dev->stats.tx_bytes += skblen; 564b955f6caSJeff Kirsher 565b955f6caSJeff Kirsher if (lance_tx_buffs_avail(lp) <= 0) 566b955f6caSJeff Kirsher netif_stop_queue(dev); 567b955f6caSJeff Kirsher 568b955f6caSJeff Kirsher /* Kick the lance: transmit now */ 569b955f6caSJeff Kirsher ll->rdp = LE_C0_INEA | LE_C0_TDMD; 570926f2730SFlorian Westphal out_free: 571b955f6caSJeff Kirsher dev_kfree_skb(skb); 572b955f6caSJeff Kirsher 573b955f6caSJeff Kirsher local_irq_restore(flags); 574b955f6caSJeff Kirsher 575b955f6caSJeff Kirsher return status; 576b955f6caSJeff Kirsher } 577b955f6caSJeff Kirsher 578b955f6caSJeff Kirsher /* taken from the depca driver */ 579b955f6caSJeff Kirsher static void lance_load_multicast(struct net_device *dev) 580b955f6caSJeff Kirsher { 581b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 582b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 583b955f6caSJeff Kirsher volatile u16 *mcast_table = (u16 *)&ib->filter; 584b955f6caSJeff Kirsher struct netdev_hw_addr *ha; 585b955f6caSJeff Kirsher u32 crc; 586b955f6caSJeff Kirsher 587b955f6caSJeff Kirsher /* set all multicast bits */ 588b955f6caSJeff Kirsher if (dev->flags & IFF_ALLMULTI) { 589b955f6caSJeff Kirsher ib->filter[0] = 0xffffffff; 590b955f6caSJeff Kirsher ib->filter[1] = 0xffffffff; 591b955f6caSJeff Kirsher return; 592b955f6caSJeff Kirsher } 593b955f6caSJeff Kirsher /* clear the multicast filter */ 594b955f6caSJeff Kirsher ib->filter[0] = 0; 595b955f6caSJeff Kirsher ib->filter[1] = 0; 596b955f6caSJeff Kirsher 597b955f6caSJeff Kirsher /* Add addresses */ 598b955f6caSJeff Kirsher netdev_for_each_mc_addr(ha, dev) { 599b955f6caSJeff Kirsher crc = ether_crc_le(6, ha->addr); 600b955f6caSJeff Kirsher crc = crc >> 26; 601b955f6caSJeff Kirsher mcast_table[crc >> 4] |= 1 << (crc & 0xf); 602b955f6caSJeff Kirsher } 603b955f6caSJeff Kirsher } 604b955f6caSJeff Kirsher 605b955f6caSJeff Kirsher static void lance_set_multicast(struct net_device *dev) 606b955f6caSJeff Kirsher { 607b955f6caSJeff Kirsher struct lance_private *lp = netdev_priv(dev); 608b955f6caSJeff Kirsher volatile struct lance_init_block *ib = lp->init_block; 609b955f6caSJeff Kirsher volatile struct lance_regs *ll = lp->ll; 610b955f6caSJeff Kirsher 611b955f6caSJeff Kirsher if (!netif_running(dev)) 612b955f6caSJeff Kirsher return; 613b955f6caSJeff Kirsher 614b955f6caSJeff Kirsher if (lp->tx_old != lp->tx_new) { 615b955f6caSJeff Kirsher mod_timer(&lp->multicast_timer, jiffies + 4); 616b955f6caSJeff Kirsher netif_wake_queue(dev); 617b955f6caSJeff Kirsher return; 618b955f6caSJeff Kirsher } 619b955f6caSJeff Kirsher 620b955f6caSJeff Kirsher netif_stop_queue(dev); 621b955f6caSJeff Kirsher 622b955f6caSJeff Kirsher ll->rap = LE_CSR0; 623b955f6caSJeff Kirsher ll->rdp = LE_C0_STOP; 624b955f6caSJeff Kirsher lance_init_ring(dev); 625b955f6caSJeff Kirsher 626b955f6caSJeff Kirsher if (dev->flags & IFF_PROMISC) { 627b955f6caSJeff Kirsher ib->mode |= LE_MO_PROM; 628b955f6caSJeff Kirsher } else { 629b955f6caSJeff Kirsher ib->mode &= ~LE_MO_PROM; 630b955f6caSJeff Kirsher lance_load_multicast(dev); 631b955f6caSJeff Kirsher } 632b955f6caSJeff Kirsher load_csrs(lp); 633b955f6caSJeff Kirsher init_restart_lance(lp); 634b955f6caSJeff Kirsher netif_wake_queue(dev); 635b955f6caSJeff Kirsher } 636b955f6caSJeff Kirsher 637c6c52ba1SKees Cook static void lance_set_multicast_retry(struct timer_list *t) 638c6c52ba1SKees Cook { 639c6c52ba1SKees Cook struct lance_private *lp = from_timer(lp, t, multicast_timer); 640c6c52ba1SKees Cook 641c6c52ba1SKees Cook lance_set_multicast(lp->dev); 642c6c52ba1SKees Cook } 643c6c52ba1SKees Cook 6440cb0568dSBill Pemberton static int a2065_init_one(struct zorro_dev *z, 645b955f6caSJeff Kirsher const struct zorro_device_id *ent); 6460cb0568dSBill Pemberton static void a2065_remove_one(struct zorro_dev *z); 647b955f6caSJeff Kirsher 648b955f6caSJeff Kirsher 649153890b4SArvind Yadav static const struct zorro_device_id a2065_zorro_tbl[] = { 650b955f6caSJeff Kirsher { ZORRO_PROD_CBM_A2065_1 }, 651b955f6caSJeff Kirsher { ZORRO_PROD_CBM_A2065_2 }, 652b955f6caSJeff Kirsher { ZORRO_PROD_AMERISTAR_A2065 }, 653b955f6caSJeff Kirsher { 0 } 654b955f6caSJeff Kirsher }; 655b955f6caSJeff Kirsher MODULE_DEVICE_TABLE(zorro, a2065_zorro_tbl); 656b955f6caSJeff Kirsher 657b955f6caSJeff Kirsher static struct zorro_driver a2065_driver = { 658b955f6caSJeff Kirsher .name = "a2065", 659b955f6caSJeff Kirsher .id_table = a2065_zorro_tbl, 660b955f6caSJeff Kirsher .probe = a2065_init_one, 6610cb0568dSBill Pemberton .remove = a2065_remove_one, 662b955f6caSJeff Kirsher }; 663b955f6caSJeff Kirsher 664b955f6caSJeff Kirsher static const struct net_device_ops lance_netdev_ops = { 665b955f6caSJeff Kirsher .ndo_open = lance_open, 666b955f6caSJeff Kirsher .ndo_stop = lance_close, 667b955f6caSJeff Kirsher .ndo_start_xmit = lance_start_xmit, 668b955f6caSJeff Kirsher .ndo_tx_timeout = lance_tx_timeout, 669afc4b13dSJiri Pirko .ndo_set_rx_mode = lance_set_multicast, 670b955f6caSJeff Kirsher .ndo_validate_addr = eth_validate_addr, 671b955f6caSJeff Kirsher .ndo_set_mac_address = eth_mac_addr, 672b955f6caSJeff Kirsher }; 673b955f6caSJeff Kirsher 6740cb0568dSBill Pemberton static int a2065_init_one(struct zorro_dev *z, 675b955f6caSJeff Kirsher const struct zorro_device_id *ent) 676b955f6caSJeff Kirsher { 677b955f6caSJeff Kirsher struct net_device *dev; 678b955f6caSJeff Kirsher struct lance_private *priv; 679b955f6caSJeff Kirsher unsigned long board = z->resource.start; 680b955f6caSJeff Kirsher unsigned long base_addr = board + A2065_LANCE; 681b955f6caSJeff Kirsher unsigned long mem_start = board + A2065_RAM; 682b955f6caSJeff Kirsher struct resource *r1, *r2; 683bd9ba8f4SGeert Uytterhoeven u32 serial; 684b955f6caSJeff Kirsher int err; 685b955f6caSJeff Kirsher 686b955f6caSJeff Kirsher r1 = request_mem_region(base_addr, sizeof(struct lance_regs), 687b955f6caSJeff Kirsher "Am7990"); 688b955f6caSJeff Kirsher if (!r1) 689b955f6caSJeff Kirsher return -EBUSY; 690b955f6caSJeff Kirsher r2 = request_mem_region(mem_start, A2065_RAM_SIZE, "RAM"); 691b955f6caSJeff Kirsher if (!r2) { 692b955f6caSJeff Kirsher release_mem_region(base_addr, sizeof(struct lance_regs)); 693b955f6caSJeff Kirsher return -EBUSY; 694b955f6caSJeff Kirsher } 695b955f6caSJeff Kirsher 696b955f6caSJeff Kirsher dev = alloc_etherdev(sizeof(struct lance_private)); 697b955f6caSJeff Kirsher if (dev == NULL) { 698b955f6caSJeff Kirsher release_mem_region(base_addr, sizeof(struct lance_regs)); 699b955f6caSJeff Kirsher release_mem_region(mem_start, A2065_RAM_SIZE); 700b955f6caSJeff Kirsher return -ENOMEM; 701b955f6caSJeff Kirsher } 702b955f6caSJeff Kirsher 703b955f6caSJeff Kirsher priv = netdev_priv(dev); 704b955f6caSJeff Kirsher 705b955f6caSJeff Kirsher r1->name = dev->name; 706b955f6caSJeff Kirsher r2->name = dev->name; 707b955f6caSJeff Kirsher 708bd9ba8f4SGeert Uytterhoeven serial = be32_to_cpu(z->rom.er_SerialNumber); 709b955f6caSJeff Kirsher dev->dev_addr[0] = 0x00; 710b955f6caSJeff Kirsher if (z->id != ZORRO_PROD_AMERISTAR_A2065) { /* Commodore */ 711b955f6caSJeff Kirsher dev->dev_addr[1] = 0x80; 712b955f6caSJeff Kirsher dev->dev_addr[2] = 0x10; 713b955f6caSJeff Kirsher } else { /* Ameristar */ 714b955f6caSJeff Kirsher dev->dev_addr[1] = 0x00; 715b955f6caSJeff Kirsher dev->dev_addr[2] = 0x9f; 716b955f6caSJeff Kirsher } 717bd9ba8f4SGeert Uytterhoeven dev->dev_addr[3] = (serial >> 16) & 0xff; 718bd9ba8f4SGeert Uytterhoeven dev->dev_addr[4] = (serial >> 8) & 0xff; 719bd9ba8f4SGeert Uytterhoeven dev->dev_addr[5] = serial & 0xff; 7206112ea08SGeert Uytterhoeven dev->base_addr = (unsigned long)ZTWO_VADDR(base_addr); 7216112ea08SGeert Uytterhoeven dev->mem_start = (unsigned long)ZTWO_VADDR(mem_start); 722b955f6caSJeff Kirsher dev->mem_end = dev->mem_start + A2065_RAM_SIZE; 723b955f6caSJeff Kirsher 724b955f6caSJeff Kirsher priv->ll = (volatile struct lance_regs *)dev->base_addr; 725b955f6caSJeff Kirsher priv->init_block = (struct lance_init_block *)dev->mem_start; 726b955f6caSJeff Kirsher priv->lance_init_block = (struct lance_init_block *)A2065_RAM; 727b955f6caSJeff Kirsher priv->auto_select = 0; 728b955f6caSJeff Kirsher priv->busmaster_regval = LE_C3_BSWP; 729b955f6caSJeff Kirsher 730b955f6caSJeff Kirsher priv->lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS; 731b955f6caSJeff Kirsher priv->lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS; 732b955f6caSJeff Kirsher priv->rx_ring_mod_mask = RX_RING_MOD_MASK; 733b955f6caSJeff Kirsher priv->tx_ring_mod_mask = TX_RING_MOD_MASK; 734c6c52ba1SKees Cook priv->dev = dev; 735b955f6caSJeff Kirsher 736b955f6caSJeff Kirsher dev->netdev_ops = &lance_netdev_ops; 737b955f6caSJeff Kirsher dev->watchdog_timeo = 5*HZ; 738b955f6caSJeff Kirsher dev->dma = 0; 739b955f6caSJeff Kirsher 740c6c52ba1SKees Cook timer_setup(&priv->multicast_timer, lance_set_multicast_retry, 0); 741b955f6caSJeff Kirsher 742b955f6caSJeff Kirsher err = register_netdev(dev); 743b955f6caSJeff Kirsher if (err) { 744b955f6caSJeff Kirsher release_mem_region(base_addr, sizeof(struct lance_regs)); 745b955f6caSJeff Kirsher release_mem_region(mem_start, A2065_RAM_SIZE); 746b955f6caSJeff Kirsher free_netdev(dev); 747b955f6caSJeff Kirsher return err; 748b955f6caSJeff Kirsher } 749b955f6caSJeff Kirsher zorro_set_drvdata(z, dev); 750b955f6caSJeff Kirsher 751b955f6caSJeff Kirsher netdev_info(dev, "A2065 at 0x%08lx, Ethernet Address %pM\n", 752b955f6caSJeff Kirsher board, dev->dev_addr); 753b955f6caSJeff Kirsher 754b955f6caSJeff Kirsher return 0; 755b955f6caSJeff Kirsher } 756b955f6caSJeff Kirsher 757b955f6caSJeff Kirsher 7580cb0568dSBill Pemberton static void a2065_remove_one(struct zorro_dev *z) 759b955f6caSJeff Kirsher { 760b955f6caSJeff Kirsher struct net_device *dev = zorro_get_drvdata(z); 761b955f6caSJeff Kirsher 762b955f6caSJeff Kirsher unregister_netdev(dev); 763b955f6caSJeff Kirsher release_mem_region(ZTWO_PADDR(dev->base_addr), 764b955f6caSJeff Kirsher sizeof(struct lance_regs)); 765b955f6caSJeff Kirsher release_mem_region(ZTWO_PADDR(dev->mem_start), A2065_RAM_SIZE); 766b955f6caSJeff Kirsher free_netdev(dev); 767b955f6caSJeff Kirsher } 768b955f6caSJeff Kirsher 769b955f6caSJeff Kirsher static int __init a2065_init_module(void) 770b955f6caSJeff Kirsher { 771b955f6caSJeff Kirsher return zorro_register_driver(&a2065_driver); 772b955f6caSJeff Kirsher } 773b955f6caSJeff Kirsher 774b955f6caSJeff Kirsher static void __exit a2065_cleanup_module(void) 775b955f6caSJeff Kirsher { 776b955f6caSJeff Kirsher zorro_unregister_driver(&a2065_driver); 777b955f6caSJeff Kirsher } 778b955f6caSJeff Kirsher 779b955f6caSJeff Kirsher module_init(a2065_init_module); 780b955f6caSJeff Kirsher module_exit(a2065_cleanup_module); 781b955f6caSJeff Kirsher 782b955f6caSJeff Kirsher MODULE_LICENSE("GPL"); 783