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path: root/drivers/net/zorro8390.c
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Diffstat (limited to 'drivers/net/zorro8390.c')
-rw-r--r--drivers/net/zorro8390.c452
1 files changed, 0 insertions, 452 deletions
diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
deleted file mode 100644
index 15e7751a273..00000000000
--- a/drivers/net/zorro8390.c
+++ /dev/null
@@ -1,452 +0,0 @@
-/*
- * Amiga Linux/m68k and Linux/PPC Zorro NS8390 Ethernet Driver
- *
- * (C) Copyright 1998-2000 by some Elitist 680x0 Users(TM)
- *
- * ---------------------------------------------------------------------------
- *
- * This program is based on all the other NE2000 drivers for Linux
- *
- * ---------------------------------------------------------------------------
- *
- * 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 Ariadne II and X-Surf are Zorro-II boards containing Realtek RTL8019AS
- * Ethernet Controllers.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/zorro.h>
-#include <linux/jiffies.h>
-
-#include <asm/system.h>
-#include <asm/irq.h>
-#include <asm/amigaints.h>
-#include <asm/amigahw.h>
-
-#define EI_SHIFT(x) (ei_local->reg_offset[x])
-#define ei_inb(port) in_8(port)
-#define ei_outb(val, port) out_8(port, val)
-#define ei_inb_p(port) in_8(port)
-#define ei_outb_p(val, port) out_8(port, val)
-
-static const char version[] =
- "8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n";
-
-#include "lib8390.c"
-
-#define DRV_NAME "zorro8390"
-
-#define NE_BASE (dev->base_addr)
-#define NE_CMD (0x00 * 2)
-#define NE_DATAPORT (0x10 * 2) /* NatSemi-defined port window offset */
-#define NE_RESET (0x1f * 2) /* Issue a read to reset,
- * a write to clear. */
-#define NE_IO_EXTENT (0x20 * 2)
-
-#define NE_EN0_ISR (0x07 * 2)
-#define NE_EN0_DCFG (0x0e * 2)
-
-#define NE_EN0_RSARLO (0x08 * 2)
-#define NE_EN0_RSARHI (0x09 * 2)
-#define NE_EN0_RCNTLO (0x0a * 2)
-#define NE_EN0_RXCR (0x0c * 2)
-#define NE_EN0_TXCR (0x0d * 2)
-#define NE_EN0_RCNTHI (0x0b * 2)
-#define NE_EN0_IMR (0x0f * 2)
-
-#define NESM_START_PG 0x40 /* First page of TX buffer */
-#define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
-
-#define WORDSWAP(a) ((((a) >> 8) & 0xff) | ((a) << 8))
-
-static struct card_info {
- zorro_id id;
- const char *name;
- unsigned int offset;
-} cards[] __devinitdata = {
- { ZORRO_PROD_VILLAGE_TRONIC_ARIADNE2, "Ariadne II", 0x0600 },
- { ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, "X-Surf", 0x8600 },
-};
-
-/* Hard reset the card. This used to pause for the same period that a
- * 8390 reset command required, but that shouldn't be necessary.
- */
-static void zorro8390_reset_8390(struct net_device *dev)
-{
- unsigned long reset_start_time = jiffies;
-
- if (ei_debug > 1)
- netdev_dbg(dev, "resetting - t=%ld...\n", jiffies);
-
- z_writeb(z_readb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
-
- ei_status.txing = 0;
- ei_status.dmaing = 0;
-
- /* This check _should_not_ be necessary, omit eventually. */
- while ((z_readb(NE_BASE + NE_EN0_ISR) & ENISR_RESET) == 0)
- if (time_after(jiffies, reset_start_time + 2 * HZ / 100)) {
- netdev_warn(dev, "%s: did not complete\n", __func__);
- break;
- }
- z_writeb(ENISR_RESET, NE_BASE + NE_EN0_ISR); /* Ack intr */
-}
-
-/* Grab the 8390 specific header. Similar to the block_input routine, but
- * we don't need to be concerned with ring wrap as the header will be at
- * the start of a page, so we optimize accordingly.
- */
-static void zorro8390_get_8390_hdr(struct net_device *dev,
- struct e8390_pkt_hdr *hdr, int ring_page)
-{
- int nic_base = dev->base_addr;
- int cnt;
- short *ptrs;
-
- /* This *shouldn't* happen.
- * If it does, it's the last thing you'll see
- */
- if (ei_status.dmaing) {
- netdev_err(dev, "%s: DMAing conflict [DMAstat:%d][irqlock:%d]\n",
- __func__, ei_status.dmaing, ei_status.irqlock);
- return;
- }
-
- ei_status.dmaing |= 0x01;
- z_writeb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD);
- z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
- z_writeb(sizeof(struct e8390_pkt_hdr), nic_base + NE_EN0_RCNTLO);
- z_writeb(0, nic_base + NE_EN0_RCNTHI);
- z_writeb(0, nic_base + NE_EN0_RSARLO); /* On page boundary */
- z_writeb(ring_page, nic_base + NE_EN0_RSARHI);
- z_writeb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
-
- ptrs = (short *)hdr;
- for (cnt = 0; cnt < sizeof(struct e8390_pkt_hdr) >> 1; cnt++)
- *ptrs++ = z_readw(NE_BASE + NE_DATAPORT);
-
- z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr */
-
- hdr->count = WORDSWAP(hdr->count);
-
- ei_status.dmaing &= ~0x01;
-}
-
-/* Block input and output, similar to the Crynwr packet driver.
- * If you are porting to a new ethercard, look at the packet driver source
- * for hints. The NEx000 doesn't share the on-board packet memory --
- * you have to put the packet out through the "remote DMA" dataport
- * using z_writeb.
- */
-static void zorro8390_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset)
-{
- int nic_base = dev->base_addr;
- char *buf = skb->data;
- short *ptrs;
- int cnt;
-
- /* This *shouldn't* happen.
- * If it does, it's the last thing you'll see
- */
- if (ei_status.dmaing) {
- netdev_err(dev, "%s: DMAing conflict [DMAstat:%d][irqlock:%d]\n",
- __func__, ei_status.dmaing, ei_status.irqlock);
- return;
- }
- ei_status.dmaing |= 0x01;
- z_writeb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD);
- z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
- z_writeb(count & 0xff, nic_base + NE_EN0_RCNTLO);
- z_writeb(count >> 8, nic_base + NE_EN0_RCNTHI);
- z_writeb(ring_offset & 0xff, nic_base + NE_EN0_RSARLO);
- z_writeb(ring_offset >> 8, nic_base + NE_EN0_RSARHI);
- z_writeb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- ptrs = (short *)buf;
- for (cnt = 0; cnt < count >> 1; cnt++)
- *ptrs++ = z_readw(NE_BASE + NE_DATAPORT);
- if (count & 0x01)
- buf[count - 1] = z_readb(NE_BASE + NE_DATAPORT);
-
- z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr */
- ei_status.dmaing &= ~0x01;
-}
-
-static void zorro8390_block_output(struct net_device *dev, int count,
- const unsigned char *buf,
- const int start_page)
-{
- int nic_base = NE_BASE;
- unsigned long dma_start;
- short *ptrs;
- int cnt;
-
- /* Round the count up for word writes. Do we need to do this?
- * What effect will an odd byte count have on the 8390?
- * I should check someday.
- */
- if (count & 0x01)
- count++;
-
- /* This *shouldn't* happen.
- * If it does, it's the last thing you'll see
- */
- if (ei_status.dmaing) {
- netdev_err(dev, "%s: DMAing conflict [DMAstat:%d][irqlock:%d]\n",
- __func__, ei_status.dmaing, ei_status.irqlock);
- return;
- }
- ei_status.dmaing |= 0x01;
- /* We should already be in page 0, but to be safe... */
- z_writeb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
-
- z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR);
-
- /* Now the normal output. */
- z_writeb(count & 0xff, nic_base + NE_EN0_RCNTLO);
- z_writeb(count >> 8, nic_base + NE_EN0_RCNTHI);
- z_writeb(0x00, nic_base + NE_EN0_RSARLO);
- z_writeb(start_page, nic_base + NE_EN0_RSARHI);
-
- z_writeb(E8390_RWRITE + E8390_START, nic_base + NE_CMD);
- ptrs = (short *)buf;
- for (cnt = 0; cnt < count >> 1; cnt++)
- z_writew(*ptrs++, NE_BASE + NE_DATAPORT);
-
- dma_start = jiffies;
-
- while ((z_readb(NE_BASE + NE_EN0_ISR) & ENISR_RDC) == 0)
- if (time_after(jiffies, dma_start + 2 * HZ / 100)) {
- /* 20ms */
- netdev_err(dev, "timeout waiting for Tx RDC\n");
- zorro8390_reset_8390(dev);
- __NS8390_init(dev, 1);
- break;
- }
-
- z_writeb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr */
- ei_status.dmaing &= ~0x01;
-}
-
-static int zorro8390_open(struct net_device *dev)
-{
- __ei_open(dev);
- return 0;
-}
-
-static int zorro8390_close(struct net_device *dev)
-{
- if (ei_debug > 1)
- netdev_dbg(dev, "Shutting down ethercard\n");
- __ei_close(dev);
- return 0;
-}
-
-static void __devexit zorro8390_remove_one(struct zorro_dev *z)
-{
- struct net_device *dev = zorro_get_drvdata(z);
-
- unregister_netdev(dev);
- free_irq(IRQ_AMIGA_PORTS, dev);
- release_mem_region(ZTWO_PADDR(dev->base_addr), NE_IO_EXTENT * 2);
- free_netdev(dev);
-}
-
-static struct zorro_device_id zorro8390_zorro_tbl[] __devinitdata = {
- { ZORRO_PROD_VILLAGE_TRONIC_ARIADNE2, },
- { ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, },
- { 0 }
-};
-MODULE_DEVICE_TABLE(zorro, zorro8390_zorro_tbl);
-
-static const struct net_device_ops zorro8390_netdev_ops = {
- .ndo_open = zorro8390_open,
- .ndo_stop = zorro8390_close,
- .ndo_start_xmit = __ei_start_xmit,
- .ndo_tx_timeout = __ei_tx_timeout,
- .ndo_get_stats = __ei_get_stats,
- .ndo_set_multicast_list = __ei_set_multicast_list,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_change_mtu = eth_change_mtu,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = __ei_poll,
-#endif
-};
-
-static int __devinit zorro8390_init(struct net_device *dev,
- unsigned long board, const char *name,
- unsigned long ioaddr)
-{
- int i;
- int err;
- unsigned char SA_prom[32];
- int start_page, stop_page;
- static u32 zorro8390_offsets[16] = {
- 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
- 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
- };
-
- /* Reset card. Who knows what dain-bramaged state it was left in. */
- {
- unsigned long reset_start_time = jiffies;
-
- z_writeb(z_readb(ioaddr + NE_RESET), ioaddr + NE_RESET);
-
- while ((z_readb(ioaddr + NE_EN0_ISR) & ENISR_RESET) == 0)
- if (time_after(jiffies,
- reset_start_time + 2 * HZ / 100)) {
- netdev_warn(dev, "not found (no reset ack)\n");
- return -ENODEV;
- }
-
- z_writeb(0xff, ioaddr + NE_EN0_ISR); /* Ack all intr. */
- }
-
- /* Read the 16 bytes of station address PROM.
- * We must first initialize registers,
- * similar to NS8390_init(eifdev, 0).
- * We can't reliably read the SAPROM address without this.
- * (I learned the hard way!).
- */
- {
- static const struct {
- u32 value;
- u32 offset;
- } program_seq[] = {
- {E8390_NODMA + E8390_PAGE0 + E8390_STOP, NE_CMD},
- /* Select page 0 */
- {0x48, NE_EN0_DCFG}, /* 0x48: Set byte-wide access */
- {0x00, NE_EN0_RCNTLO}, /* Clear the count regs */
- {0x00, NE_EN0_RCNTHI},
- {0x00, NE_EN0_IMR}, /* Mask completion irq */
- {0xFF, NE_EN0_ISR},
- {E8390_RXOFF, NE_EN0_RXCR}, /* 0x20 Set to monitor */
- {E8390_TXOFF, NE_EN0_TXCR}, /* 0x02 and loopback mode */
- {32, NE_EN0_RCNTLO},
- {0x00, NE_EN0_RCNTHI},
- {0x00, NE_EN0_RSARLO}, /* DMA starting at 0x0000 */
- {0x00, NE_EN0_RSARHI},
- {E8390_RREAD + E8390_START, NE_CMD},
- };
- for (i = 0; i < ARRAY_SIZE(program_seq); i++)
- z_writeb(program_seq[i].value,
- ioaddr + program_seq[i].offset);
- }
- for (i = 0; i < 16; i++) {
- SA_prom[i] = z_readb(ioaddr + NE_DATAPORT);
- (void)z_readb(ioaddr + NE_DATAPORT);
- }
-
- /* We must set the 8390 for word mode. */
- z_writeb(0x49, ioaddr + NE_EN0_DCFG);
- start_page = NESM_START_PG;
- stop_page = NESM_STOP_PG;
-
- dev->base_addr = ioaddr;
- dev->irq = IRQ_AMIGA_PORTS;
-
- /* Install the Interrupt handler */
- i = request_irq(IRQ_AMIGA_PORTS, __ei_interrupt,
- IRQF_SHARED, DRV_NAME, dev);
- if (i)
- return i;
-
- for (i = 0; i < ETHER_ADDR_LEN; i++)
- dev->dev_addr[i] = SA_prom[i];
-
- pr_debug("Found ethernet address: %pM\n", dev->dev_addr);
-
- ei_status.name = name;
- ei_status.tx_start_page = start_page;
- ei_status.stop_page = stop_page;
- ei_status.word16 = 1;
-
- ei_status.rx_start_page = start_page + TX_PAGES;
-
- ei_status.reset_8390 = zorro8390_reset_8390;
- ei_status.block_input = zorro8390_block_input;
- ei_status.block_output = zorro8390_block_output;
- ei_status.get_8390_hdr = zorro8390_get_8390_hdr;
- ei_status.reg_offset = zorro8390_offsets;
-
- dev->netdev_ops = &zorro8390_netdev_ops;
- __NS8390_init(dev, 0);
- err = register_netdev(dev);
- if (err) {
- free_irq(IRQ_AMIGA_PORTS, dev);
- return err;
- }
-
- netdev_info(dev, "%s at 0x%08lx, Ethernet Address %pM\n",
- name, board, dev->dev_addr);
-
- return 0;
-}
-
-static int __devinit zorro8390_init_one(struct zorro_dev *z,
- const struct zorro_device_id *ent)
-{
- struct net_device *dev;
- unsigned long board, ioaddr;
- int err, i;
-
- for (i = ARRAY_SIZE(cards) - 1; i >= 0; i--)
- if (z->id == cards[i].id)
- break;
- if (i < 0)
- return -ENODEV;
-
- board = z->resource.start;
- ioaddr = board + cards[i].offset;
- dev = ____alloc_ei_netdev(0);
- if (!dev)
- return -ENOMEM;
- if (!request_mem_region(ioaddr, NE_IO_EXTENT * 2, DRV_NAME)) {
- free_netdev(dev);
- return -EBUSY;
- }
- err = zorro8390_init(dev, board, cards[i].name, ZTWO_VADDR(ioaddr));
- if (err) {
- release_mem_region(ioaddr, NE_IO_EXTENT * 2);
- free_netdev(dev);
- return err;
- }
- zorro_set_drvdata(z, dev);
- return 0;
-}
-
-static struct zorro_driver zorro8390_driver = {
- .name = "zorro8390",
- .id_table = zorro8390_zorro_tbl,
- .probe = zorro8390_init_one,
- .remove = __devexit_p(zorro8390_remove_one),
-};
-
-static int __init zorro8390_init_module(void)
-{
- return zorro_register_driver(&zorro8390_driver);
-}
-
-static void __exit zorro8390_cleanup_module(void)
-{
- zorro_unregister_driver(&zorro8390_driver);
-}
-
-module_init(zorro8390_init_module);
-module_exit(zorro8390_cleanup_module);
-
-MODULE_LICENSE("GPL");