diff options
Diffstat (limited to 'drivers/net/a2065.c')
| -rw-r--r-- | drivers/net/a2065.c | 781 |
1 files changed, 0 insertions, 781 deletions
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c deleted file mode 100644 index e1e1b07..0000000 --- a/drivers/net/a2065.c +++ /dev/null @@ -1,781 +0,0 @@ -/* - * Amiga Linux/68k A2065 Ethernet Driver - * - * (C) Copyright 1995-2003 by Geert Uytterhoeven <geert@linux-m68k.org> - * - * Fixes and tips by: - * - Janos Farkas (CHEXUM@sparta.banki.hu) - * - Jes Degn Soerensen (jds@kom.auc.dk) - * - Matt Domsch (Matt_Domsch@dell.com) - * - * ---------------------------------------------------------------------------- - * - * This program is based on - * - * ariadne.?: Amiga Linux/68k Ariadne Ethernet Driver - * (C) Copyright 1995 by Geert Uytterhoeven, - * Peter De Schrijver - * - * lance.c: An AMD LANCE ethernet driver for linux. - * Written 1993-94 by Donald Becker. - * - * Am79C960: PCnet(tm)-ISA Single-Chip Ethernet Controller - * Advanced Micro Devices - * Publication #16907, Rev. B, Amendment/0, May 1994 - * - * ---------------------------------------------------------------------------- - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of the Linux - * distribution for more details. - * - * ---------------------------------------------------------------------------- - * - * The A2065 is a Zorro-II board made by Commodore/Ameristar. It contains: - * - * - an Am7990 Local Area Network Controller for Ethernet (LANCE) with - * both 10BASE-2 (thin coax) and AUI (DB-15) connectors - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -/*#define DEBUG*/ -/*#define TEST_HITS*/ - -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/module.h> -#include <linux/stddef.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/skbuff.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/crc32.h> -#include <linux/zorro.h> -#include <linux/bitops.h> - -#include <asm/irq.h> -#include <asm/amigaints.h> -#include <asm/amigahw.h> - -#include "a2065.h" - -/* Transmit/Receive Ring Definitions */ - -#define LANCE_LOG_TX_BUFFERS (2) -#define LANCE_LOG_RX_BUFFERS (4) - -#define TX_RING_SIZE (1 << LANCE_LOG_TX_BUFFERS) -#define RX_RING_SIZE (1 << LANCE_LOG_RX_BUFFERS) - -#define TX_RING_MOD_MASK (TX_RING_SIZE - 1) -#define RX_RING_MOD_MASK (RX_RING_SIZE - 1) - -#define PKT_BUF_SIZE (1544) -#define RX_BUFF_SIZE PKT_BUF_SIZE -#define TX_BUFF_SIZE PKT_BUF_SIZE - -/* Layout of the Lance's RAM Buffer */ - -struct lance_init_block { - unsigned short mode; /* Pre-set mode (reg. 15) */ - unsigned char phys_addr[6]; /* Physical ethernet address */ - unsigned filter[2]; /* Multicast filter. */ - - /* Receive and transmit ring base, along with extra bits. */ - unsigned short rx_ptr; /* receive descriptor addr */ - unsigned short rx_len; /* receive len and high addr */ - unsigned short tx_ptr; /* transmit descriptor addr */ - unsigned short tx_len; /* transmit len and high addr */ - - /* The Tx and Rx ring entries must aligned on 8-byte boundaries. */ - struct lance_rx_desc brx_ring[RX_RING_SIZE]; - struct lance_tx_desc btx_ring[TX_RING_SIZE]; - - char rx_buf[RX_RING_SIZE][RX_BUFF_SIZE]; - char tx_buf[TX_RING_SIZE][TX_BUFF_SIZE]; -}; - -/* Private Device Data */ - -struct lance_private { - char *name; - volatile struct lance_regs *ll; - volatile struct lance_init_block *init_block; /* Hosts view */ - volatile struct lance_init_block *lance_init_block; /* Lance view */ - - int rx_new, tx_new; - int rx_old, tx_old; - - int lance_log_rx_bufs, lance_log_tx_bufs; - int rx_ring_mod_mask, tx_ring_mod_mask; - - int tpe; /* cable-selection is TPE */ - int auto_select; /* cable-selection by carrier */ - unsigned short busmaster_regval; - -#ifdef CONFIG_SUNLANCE - struct Linux_SBus_DMA *ledma; /* if set this points to ledma and arch=4m */ - int burst_sizes; /* ledma SBus burst sizes */ -#endif - struct timer_list multicast_timer; -}; - -#define LANCE_ADDR(x) ((int)(x) & ~0xff000000) - -/* Load the CSR registers */ -static void load_csrs(struct lance_private *lp) -{ - volatile struct lance_regs *ll = lp->ll; - volatile struct lance_init_block *aib = lp->lance_init_block; - int leptr = LANCE_ADDR(aib); - - ll->rap = LE_CSR1; - ll->rdp = (leptr & 0xFFFF); - ll->rap = LE_CSR2; - ll->rdp = leptr >> 16; - ll->rap = LE_CSR3; - ll->rdp = lp->busmaster_regval; - - /* Point back to csr0 */ - ll->rap = LE_CSR0; -} - -/* Setup the Lance Rx and Tx rings */ -static void lance_init_ring(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib = lp->init_block; - volatile struct lance_init_block *aib = lp->lance_init_block; - /* for LANCE_ADDR computations */ - int leptr; - int i; - - /* Lock out other processes while setting up hardware */ - netif_stop_queue(dev); - lp->rx_new = lp->tx_new = 0; - lp->rx_old = lp->tx_old = 0; - - ib->mode = 0; - - /* Copy the ethernet address to the lance init block - * Note that on the sparc you need to swap the ethernet address. - */ - ib->phys_addr[0] = dev->dev_addr[1]; - ib->phys_addr[1] = dev->dev_addr[0]; - ib->phys_addr[2] = dev->dev_addr[3]; - ib->phys_addr[3] = dev->dev_addr[2]; - ib->phys_addr[4] = dev->dev_addr[5]; - ib->phys_addr[5] = dev->dev_addr[4]; - - /* Setup the Tx ring entries */ - netdev_dbg(dev, "TX rings:\n"); - for (i = 0; i <= 1 << lp->lance_log_tx_bufs; i++) { - leptr = LANCE_ADDR(&aib->tx_buf[i][0]); - ib->btx_ring[i].tmd0 = leptr; - ib->btx_ring[i].tmd1_hadr = leptr >> 16; - ib->btx_ring[i].tmd1_bits = 0; - ib->btx_ring[i].length = 0xf000; /* The ones required by tmd2 */ - ib->btx_ring[i].misc = 0; - if (i < 3) - netdev_dbg(dev, "%d: 0x%08x\n", i, leptr); - } - - /* Setup the Rx ring entries */ - netdev_dbg(dev, "RX rings:\n"); - for (i = 0; i < 1 << lp->lance_log_rx_bufs; i++) { - leptr = LANCE_ADDR(&aib->rx_buf[i][0]); - - ib->brx_ring[i].rmd0 = leptr; - ib->brx_ring[i].rmd1_hadr = leptr >> 16; - ib->brx_ring[i].rmd1_bits = LE_R1_OWN; - ib->brx_ring[i].length = -RX_BUFF_SIZE | 0xf000; - ib->brx_ring[i].mblength = 0; - if (i < 3) - netdev_dbg(dev, "%d: 0x%08x\n", i, leptr); - } - - /* Setup the initialization block */ - - /* Setup rx descriptor pointer */ - leptr = LANCE_ADDR(&aib->brx_ring); - ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16); - ib->rx_ptr = leptr; - netdev_dbg(dev, "RX ptr: %08x\n", leptr); - - /* Setup tx descriptor pointer */ - leptr = LANCE_ADDR(&aib->btx_ring); - ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16); - ib->tx_ptr = leptr; - netdev_dbg(dev, "TX ptr: %08x\n", leptr); - - /* Clear the multicast filter */ - ib->filter[0] = 0; - ib->filter[1] = 0; -} - -static int init_restart_lance(struct lance_private *lp) -{ - volatile struct lance_regs *ll = lp->ll; - int i; - - ll->rap = LE_CSR0; - ll->rdp = LE_C0_INIT; - - /* Wait for the lance to complete initialization */ - for (i = 0; (i < 100) && !(ll->rdp & (LE_C0_ERR | LE_C0_IDON)); i++) - barrier(); - if ((i == 100) || (ll->rdp & LE_C0_ERR)) { - pr_err("unopened after %d ticks, csr0=%04x\n", i, ll->rdp); - return -EIO; - } - - /* Clear IDON by writing a "1", enable interrupts and start lance */ - ll->rdp = LE_C0_IDON; - ll->rdp = LE_C0_INEA | LE_C0_STRT; - - return 0; -} - -static int lance_rx(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib = lp->init_block; - volatile struct lance_regs *ll = lp->ll; - volatile struct lance_rx_desc *rd; - unsigned char bits; - -#ifdef TEST_HITS - int i; - char buf[RX_RING_SIZE + 1]; - - for (i = 0; i < RX_RING_SIZE; i++) { - char r1_own = ib->brx_ring[i].rmd1_bits & LE_R1_OWN; - if (i == lp->rx_new) - buf[i] = r1_own ? '_' : 'X'; - else - buf[i] = r1_own ? '.' : '1'; - } - buf[RX_RING_SIZE] = 0; - - pr_debug("RxRing TestHits: [%s]\n", buf); -#endif - - ll->rdp = LE_C0_RINT | LE_C0_INEA; - for (rd = &ib->brx_ring[lp->rx_new]; - !((bits = rd->rmd1_bits) & LE_R1_OWN); - rd = &ib->brx_ring[lp->rx_new]) { - - /* We got an incomplete frame? */ - if ((bits & LE_R1_POK) != LE_R1_POK) { - dev->stats.rx_over_errors++; - dev->stats.rx_errors++; - continue; - } else if (bits & LE_R1_ERR) { - /* Count only the end frame as a rx error, - * not the beginning - */ - if (bits & LE_R1_BUF) - dev->stats.rx_fifo_errors++; - if (bits & LE_R1_CRC) - dev->stats.rx_crc_errors++; - if (bits & LE_R1_OFL) - dev->stats.rx_over_errors++; - if (bits & LE_R1_FRA) - dev->stats.rx_frame_errors++; - if (bits & LE_R1_EOP) - dev->stats.rx_errors++; - } else { - int len = (rd->mblength & 0xfff) - 4; - struct sk_buff *skb = dev_alloc_skb(len + 2); - - if (!skb) { - netdev_warn(dev, "Memory squeeze, deferring packet\n"); - dev->stats.rx_dropped++; - rd->mblength = 0; - rd->rmd1_bits = LE_R1_OWN; - lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask; - return 0; - } - - skb_reserve(skb, 2); /* 16 byte align */ - skb_put(skb, len); /* make room */ - skb_copy_to_linear_data(skb, - (unsigned char *)&ib->rx_buf[lp->rx_new][0], - len); - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += len; - } - - /* Return the packet to the pool */ - rd->mblength = 0; - rd->rmd1_bits = LE_R1_OWN; - lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask; - } - return 0; -} - -static int lance_tx(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib = lp->init_block; - volatile struct lance_regs *ll = lp->ll; - volatile struct lance_tx_desc *td; - int i, j; - int status; - - /* csr0 is 2f3 */ - ll->rdp = LE_C0_TINT | LE_C0_INEA; - /* csr0 is 73 */ - - j = lp->tx_old; - for (i = j; i != lp->tx_new; i = j) { - td = &ib->btx_ring[i]; - - /* If we hit a packet not owned by us, stop */ - if (td->tmd1_bits & LE_T1_OWN) - break; - - if (td->tmd1_bits & LE_T1_ERR) { - status = td->misc; - - dev->stats.tx_errors++; - if (status & LE_T3_RTY) - dev->stats.tx_aborted_errors++; - if (status & LE_T3_LCOL) - dev->stats.tx_window_errors++; - - if (status & LE_T3_CLOS) { - dev->stats.tx_carrier_errors++; - if (lp->auto_select) { - lp->tpe = 1 - lp->tpe; - netdev_err(dev, "Carrier Lost, trying %s\n", - lp->tpe ? "TPE" : "AUI"); - /* Stop the lance */ - ll->rap = LE_CSR0; - ll->rdp = LE_C0_STOP; - lance_init_ring(dev); - load_csrs(lp); - init_restart_lance(lp); - return 0; - } - } - - /* buffer errors and underflows turn off - * the transmitter, so restart the adapter - */ - if (status & (LE_T3_BUF | LE_T3_UFL)) { - dev->stats.tx_fifo_errors++; - - netdev_err(dev, "Tx: ERR_BUF|ERR_UFL, restarting\n"); - /* Stop the lance */ - ll->rap = LE_CSR0; - ll->rdp = LE_C0_STOP; - lance_init_ring(dev); - load_csrs(lp); - init_restart_lance(lp); - return 0; - } - } else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) { - /* So we don't count the packet more than once. */ - td->tmd1_bits &= ~(LE_T1_POK); - - /* One collision before packet was sent. */ - if (td->tmd1_bits & LE_T1_EONE) - dev->stats.collisions++; - - /* More than one collision, be optimistic. */ - if (td->tmd1_bits & LE_T1_EMORE) - dev->stats.collisions += 2; - - dev->stats.tx_packets++; - } - - j = (j + 1) & lp->tx_ring_mod_mask; - } - lp->tx_old = j; - ll->rdp = LE_C0_TINT | LE_C0_INEA; - return 0; -} - -static int lance_tx_buffs_avail(struct lance_private *lp) -{ - if (lp->tx_old <= lp->tx_new) - return lp->tx_old + lp->tx_ring_mod_mask - lp->tx_new; - return lp->tx_old - lp->tx_new - 1; -} - -static irqreturn_t lance_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_regs *ll = lp->ll; - int csr0; - - ll->rap = LE_CSR0; /* LANCE Controller Status */ - csr0 = ll->rdp; - - if (!(csr0 & LE_C0_INTR)) /* Check if any interrupt has */ - return IRQ_NONE; /* been generated by the Lance. */ - - /* Acknowledge all the interrupt sources ASAP */ - ll->rdp = csr0 & ~(LE_C0_INEA | LE_C0_TDMD | LE_C0_STOP | LE_C0_STRT | - LE_C0_INIT); - - if (csr0 & LE_C0_ERR) { - /* Clear the error condition */ - ll->rdp = LE_C0_BABL | LE_C0_ERR | LE_C0_MISS | LE_C0_INEA; - } - - if (csr0 & LE_C0_RINT) - lance_rx(dev); - - if (csr0 & LE_C0_TINT) - lance_tx(dev); - - /* Log misc errors. */ - if (csr0 & LE_C0_BABL) - dev->stats.tx_errors++; /* Tx babble. */ - if (csr0 & LE_C0_MISS) - dev->stats.rx_errors++; /* Missed a Rx frame. */ - if (csr0 & LE_C0_MERR) { - netdev_err(dev, "Bus master arbitration failure, status %04x\n", - csr0); - /* Restart the chip. */ - ll->rdp = LE_C0_STRT; - } - - if (netif_queue_stopped(dev) && lance_tx_buffs_avail(lp) > 0) - netif_wake_queue(dev); - - ll->rap = LE_CSR0; - ll->rdp = (LE_C0_BABL | LE_C0_CERR | LE_C0_MISS | LE_C0_MERR | - LE_C0_IDON | LE_C0_INEA); - return IRQ_HANDLED; -} - -static int lance_open(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_regs *ll = lp->ll; - int ret; - - /* Stop the Lance */ - ll->rap = LE_CSR0; - ll->rdp = LE_C0_STOP; - - /* Install the Interrupt handler */ - ret = request_irq(IRQ_AMIGA_PORTS, lance_interrupt, IRQF_SHARED, - dev->name, dev); - if (ret) - return ret; - - load_csrs(lp); - lance_init_ring(dev); - - netif_start_queue(dev); - - return init_restart_lance(lp); -} - -static int lance_close(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_regs *ll = lp->ll; - - netif_stop_queue(dev); - del_timer_sync(&lp->multicast_timer); - - /* Stop the card */ - ll->rap = LE_CSR0; - ll->rdp = LE_C0_STOP; - - free_irq(IRQ_AMIGA_PORTS, dev); - return 0; -} - -static inline int lance_reset(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_regs *ll = lp->ll; - int status; - - /* Stop the lance */ - ll->rap = LE_CSR0; - ll->rdp = LE_C0_STOP; - - load_csrs(lp); - - lance_init_ring(dev); - dev->trans_start = jiffies; /* prevent tx timeout */ - netif_start_queue(dev); - - status = init_restart_lance(lp); - netdev_dbg(dev, "Lance restart=%d\n", status); - - return status; -} - -static void lance_tx_timeout(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_regs *ll = lp->ll; - - netdev_err(dev, "transmit timed out, status %04x, reset\n", ll->rdp); - lance_reset(dev); - netif_wake_queue(dev); -} - -static netdev_tx_t lance_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_regs *ll = lp->ll; - volatile struct lance_init_block *ib = lp->init_block; - int entry, skblen; - int status = NETDEV_TX_OK; - unsigned long flags; - - if (skb_padto(skb, ETH_ZLEN)) - return NETDEV_TX_OK; - skblen = max_t(unsigned, skb->len, ETH_ZLEN); - - local_irq_save(flags); - - if (!lance_tx_buffs_avail(lp)) { - local_irq_restore(flags); - return NETDEV_TX_LOCKED; - } - -#ifdef DEBUG - /* dump the packet */ - print_hex_dump(KERN_DEBUG, "skb->data: ", DUMP_PREFIX_NONE, - 16, 1, skb->data, 64, true); -#endif - entry = lp->tx_new & lp->tx_ring_mod_mask; - ib->btx_ring[entry].length = (-skblen) | 0xf000; - ib->btx_ring[entry].misc = 0; - - skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], skblen); - - /* Now, give the packet to the lance */ - ib->btx_ring[entry].tmd1_bits = (LE_T1_POK | LE_T1_OWN); - lp->tx_new = (lp->tx_new+1) & lp->tx_ring_mod_mask; - dev->stats.tx_bytes += skblen; - - if (lance_tx_buffs_avail(lp) <= 0) - netif_stop_queue(dev); - - /* Kick the lance: transmit now */ - ll->rdp = LE_C0_INEA | LE_C0_TDMD; - dev_kfree_skb(skb); - - local_irq_restore(flags); - - return status; -} - -/* taken from the depca driver */ -static void lance_load_multicast(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib = lp->init_block; - volatile u16 *mcast_table = (u16 *)&ib->filter; - struct netdev_hw_addr *ha; - u32 crc; - - /* set all multicast bits */ - if (dev->flags & IFF_ALLMULTI) { - ib->filter[0] = 0xffffffff; - ib->filter[1] = 0xffffffff; - return; - } - /* clear the multicast filter */ - ib->filter[0] = 0; - ib->filter[1] = 0; - - /* Add addresses */ - netdev_for_each_mc_addr(ha, dev) { - crc = ether_crc_le(6, ha->addr); - crc = crc >> 26; - mcast_table[crc >> 4] |= 1 << (crc & 0xf); - } -} - -static void lance_set_multicast(struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib = lp->init_block; - volatile struct lance_regs *ll = lp->ll; - - if (!netif_running(dev)) - return; - - if (lp->tx_old != lp->tx_new) { - mod_timer(&lp->multicast_timer, jiffies + 4); - netif_wake_queue(dev); - return; - } - - netif_stop_queue(dev); - - ll->rap = LE_CSR0; - ll->rdp = LE_C0_STOP; - lance_init_ring(dev); - - if (dev->flags & IFF_PROMISC) { - ib->mode |= LE_MO_PROM; - } else { - ib->mode &= ~LE_MO_PROM; - lance_load_multicast(dev); - } - load_csrs(lp); - init_restart_lance(lp); - netif_wake_queue(dev); -} - -static int __devinit a2065_init_one(struct zorro_dev *z, - const struct zorro_device_id *ent); -static void __devexit a2065_remove_one(struct zorro_dev *z); - - -static struct zorro_device_id a2065_zorro_tbl[] __devinitdata = { - { ZORRO_PROD_CBM_A2065_1 }, - { ZORRO_PROD_CBM_A2065_2 }, - { ZORRO_PROD_AMERISTAR_A2065 }, - { 0 } -}; -MODULE_DEVICE_TABLE(zorro, a2065_zorro_tbl); - -static struct zorro_driver a2065_driver = { - .name = "a2065", - .id_table = a2065_zorro_tbl, - .probe = a2065_init_one, - .remove = __devexit_p(a2065_remove_one), -}; - -static const struct net_device_ops lance_netdev_ops = { - .ndo_open = lance_open, - .ndo_stop = lance_close, - .ndo_start_xmit = lance_start_xmit, - .ndo_tx_timeout = lance_tx_timeout, - .ndo_set_multicast_list = lance_set_multicast, - .ndo_validate_addr = eth_validate_addr, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, -}; - -static int __devinit a2065_init_one(struct zorro_dev *z, - const struct zorro_device_id *ent) -{ - struct net_device *dev; - struct lance_private *priv; - unsigned long board = z->resource.start; - unsigned long base_addr = board + A2065_LANCE; - unsigned long mem_start = board + A2065_RAM; - struct resource *r1, *r2; - int err; - - r1 = request_mem_region(base_addr, sizeof(struct lance_regs), - "Am7990"); - if (!r1) - return -EBUSY; - r2 = request_mem_region(mem_start, A2065_RAM_SIZE, "RAM"); - if (!r2) { - release_mem_region(base_addr, sizeof(struct lance_regs)); - return -EBUSY; - } - - dev = alloc_etherdev(sizeof(struct lance_private)); - if (dev == NULL) { - release_mem_region(base_addr, sizeof(struct lance_regs)); - release_mem_region(mem_start, A2065_RAM_SIZE); - return -ENOMEM; - } - - priv = netdev_priv(dev); - - r1->name = dev->name; - r2->name = dev->name; - - dev->dev_addr[0] = 0x00; - if (z->id != ZORRO_PROD_AMERISTAR_A2065) { /* Commodore */ - dev->dev_addr[1] = 0x80; - dev->dev_addr[2] = 0x10; - } else { /* Ameristar */ - dev->dev_addr[1] = 0x00; - dev->dev_addr[2] = 0x9f; - } - dev->dev_addr[3] = (z->rom.er_SerialNumber >> 16) & 0xff; - dev->dev_addr[4] = (z->rom.er_SerialNumber >> 8) & 0xff; - dev->dev_addr[5] = z->rom.er_SerialNumber & 0xff; - dev->base_addr = ZTWO_VADDR(base_addr); - dev->mem_start = ZTWO_VADDR(mem_start); - dev->mem_end = dev->mem_start + A2065_RAM_SIZE; - - priv->ll = (volatile struct lance_regs *)dev->base_addr; - priv->init_block = (struct lance_init_block *)dev->mem_start; - priv->lance_init_block = (struct lance_init_block *)A2065_RAM; - priv->auto_select = 0; - priv->busmaster_regval = LE_C3_BSWP; - - priv->lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS; - priv->lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS; - priv->rx_ring_mod_mask = RX_RING_MOD_MASK; - priv->tx_ring_mod_mask = TX_RING_MOD_MASK; - - dev->netdev_ops = &lance_netdev_ops; - dev->watchdog_timeo = 5*HZ; - dev->dma = 0; - - init_timer(&priv->multicast_timer); - priv->multicast_timer.data = (unsigned long) dev; - priv->multicast_timer.function = - (void (*)(unsigned long))lance_set_multicast; - - err = register_netdev(dev); - if (err) { - release_mem_region(base_addr, sizeof(struct lance_regs)); - release_mem_region(mem_start, A2065_RAM_SIZE); - free_netdev(dev); - return err; - } - zorro_set_drvdata(z, dev); - - netdev_info(dev, "A2065 at 0x%08lx, Ethernet Address %pM\n", - board, dev->dev_addr); - - return 0; -} - - -static void __devexit a2065_remove_one(struct zorro_dev *z) -{ - struct net_device *dev = zorro_get_drvdata(z); - - unregister_netdev(dev); - release_mem_region(ZTWO_PADDR(dev->base_addr), - sizeof(struct lance_regs)); - release_mem_region(ZTWO_PADDR(dev->mem_start), A2065_RAM_SIZE); - free_netdev(dev); -} - -static int __init a2065_init_module(void) -{ - return zorro_register_driver(&a2065_driver); -} - -static void __exit a2065_cleanup_module(void) -{ - zorro_unregister_driver(&a2065_driver); -} - -module_init(a2065_init_module); -module_exit(a2065_cleanup_module); - -MODULE_LICENSE("GPL"); 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