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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-04-02 06:20:12 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-10 19:54:25 -0700
commit644570b830266ff33ff5f3542b9c838f93a55ea6 (patch)
treeb19c680ce1b1e4cd15465c74aa335459068c033f /drivers/net/mac8390.c
parentb955f6ca776f3bab3d1e2c5fb1d247b203cbda14 (diff)
downloadtalos-obmc-linux-644570b830266ff33ff5f3542b9c838f93a55ea6.tar.gz
talos-obmc-linux-644570b830266ff33ff5f3542b9c838f93a55ea6.zip
8390: Move the 8390 related drivers
Moves the drivers for the National Semi-conductor 8390 chipset into drivers/net/ethernet/8390/ and the necessary Kconfig and Makefile changes. CC: Donald Becker <becker@scyld.com> CC: Paul Gortmaker <paul.gortmaker@windriver.com> CC: Alain Malek <alain.malek@cryogen.com> CC: Peter De Schrijver <p2@mind.be> CC: "David Huggins-Daines" <dhd@debian.org> CC: Wim Dumon <wimpie@kotnet.org> CC: Yoshinori Sato <ysato@users.sourceforge.jp> CC: David Hinds <dahinds@users.sourceforge.net> CC: Russell King <linux@arm.linux.org.uk> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/mac8390.c')
-rw-r--r--drivers/net/mac8390.c874
1 files changed, 0 insertions, 874 deletions
diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c
deleted file mode 100644
index f84f5e6ededb..000000000000
--- a/drivers/net/mac8390.c
+++ /dev/null
@@ -1,874 +0,0 @@
-/* mac8390.c: New driver for 8390-based Nubus (or Nubus-alike)
- Ethernet cards on Linux */
-/* Based on the former daynaport.c driver, by Alan Cox. Some code
- taken from or inspired by skeleton.c by Donald Becker, acenic.c by
- Jes Sorensen, and ne2k-pci.c by Donald Becker and Paul Gortmaker.
-
- This software may be used and distributed according to the terms of
- the GNU Public License, incorporated herein by reference. */
-
-/* 2000-02-28: support added for Dayna and Kinetics cards by
- A.G.deWijn@phys.uu.nl */
-/* 2000-04-04: support added for Dayna2 by bart@etpmod.phys.tue.nl */
-/* 2001-04-18: support for DaynaPort E/LC-M by rayk@knightsmanor.org */
-/* 2001-05-15: support for Cabletron ported from old daynaport driver
- * and fixed access to Sonic Sys card which masquerades as a Farallon
- * by rayk@knightsmanor.org */
-/* 2002-12-30: Try to support more cards, some clues from NetBSD driver */
-/* 2003-12-26: Make sure Asante cards always work. */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/nubus.h>
-#include <linux/in.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/bitops.h>
-#include <linux/io.h>
-
-#include <asm/system.h>
-#include <asm/dma.h>
-#include <asm/hwtest.h>
-#include <asm/macints.h>
-
-static char version[] =
- "v0.4 2001-05-15 David Huggins-Daines <dhd@debian.org> and others\n";
-
-#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)
-
-#include "lib8390.c"
-
-#define WD_START_PG 0x00 /* First page of TX buffer */
-#define CABLETRON_RX_START_PG 0x00 /* First page of RX buffer */
-#define CABLETRON_RX_STOP_PG 0x30 /* Last page +1 of RX ring */
-#define CABLETRON_TX_START_PG CABLETRON_RX_STOP_PG
- /* First page of TX buffer */
-
-/*
- * Unfortunately it seems we have to hardcode these for the moment
- * Shouldn't the card know about this?
- * Does anyone know where to read it off the card?
- * Do we trust the data provided by the card?
- */
-
-#define DAYNA_8390_BASE 0x80000
-#define DAYNA_8390_MEM 0x00000
-
-#define CABLETRON_8390_BASE 0x90000
-#define CABLETRON_8390_MEM 0x00000
-
-#define INTERLAN_8390_BASE 0xE0000
-#define INTERLAN_8390_MEM 0xD0000
-
-enum mac8390_type {
- MAC8390_NONE = -1,
- MAC8390_APPLE,
- MAC8390_ASANTE,
- MAC8390_FARALLON,
- MAC8390_CABLETRON,
- MAC8390_DAYNA,
- MAC8390_INTERLAN,
- MAC8390_KINETICS,
-};
-
-static const char *cardname[] = {
- "apple",
- "asante",
- "farallon",
- "cabletron",
- "dayna",
- "interlan",
- "kinetics",
-};
-
-static const int word16[] = {
- 1, /* apple */
- 1, /* asante */
- 1, /* farallon */
- 1, /* cabletron */
- 0, /* dayna */
- 1, /* interlan */
- 0, /* kinetics */
-};
-
-/* on which cards do we use NuBus resources? */
-static const int useresources[] = {
- 1, /* apple */
- 1, /* asante */
- 1, /* farallon */
- 0, /* cabletron */
- 0, /* dayna */
- 0, /* interlan */
- 0, /* kinetics */
-};
-
-enum mac8390_access {
- ACCESS_UNKNOWN = 0,
- ACCESS_32,
- ACCESS_16,
-};
-
-extern int mac8390_memtest(struct net_device *dev);
-static int mac8390_initdev(struct net_device *dev, struct nubus_dev *ndev,
- enum mac8390_type type);
-
-static int mac8390_open(struct net_device *dev);
-static int mac8390_close(struct net_device *dev);
-static void mac8390_no_reset(struct net_device *dev);
-static void interlan_reset(struct net_device *dev);
-
-/* Sane (32-bit chunk memory read/write) - Some Farallon and Apple do this*/
-static void sane_get_8390_hdr(struct net_device *dev,
- struct e8390_pkt_hdr *hdr, int ring_page);
-static void sane_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset);
-static void sane_block_output(struct net_device *dev, int count,
- const unsigned char *buf, const int start_page);
-
-/* dayna_memcpy to and from card */
-static void dayna_memcpy_fromcard(struct net_device *dev, void *to,
- int from, int count);
-static void dayna_memcpy_tocard(struct net_device *dev, int to,
- const void *from, int count);
-
-/* Dayna - Dayna/Kinetics use this */
-static void dayna_get_8390_hdr(struct net_device *dev,
- struct e8390_pkt_hdr *hdr, int ring_page);
-static void dayna_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset);
-static void dayna_block_output(struct net_device *dev, int count,
- const unsigned char *buf, int start_page);
-
-#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
-#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
-
-#define memcmp_withio(a, b, c) memcmp((a), (void *)(b), (c))
-
-/* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */
-static void slow_sane_get_8390_hdr(struct net_device *dev,
- struct e8390_pkt_hdr *hdr, int ring_page);
-static void slow_sane_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset);
-static void slow_sane_block_output(struct net_device *dev, int count,
- const unsigned char *buf, int start_page);
-static void word_memcpy_tocard(unsigned long tp, const void *fp, int count);
-static void word_memcpy_fromcard(void *tp, unsigned long fp, int count);
-
-static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
-{
- switch (dev->dr_sw) {
- case NUBUS_DRSW_3COM:
- switch (dev->dr_hw) {
- case NUBUS_DRHW_APPLE_SONIC_NB:
- case NUBUS_DRHW_APPLE_SONIC_LC:
- case NUBUS_DRHW_SONNET:
- return MAC8390_NONE;
- break;
- default:
- return MAC8390_APPLE;
- break;
- }
- break;
-
- case NUBUS_DRSW_APPLE:
- switch (dev->dr_hw) {
- case NUBUS_DRHW_ASANTE_LC:
- return MAC8390_NONE;
- break;
- case NUBUS_DRHW_CABLETRON:
- return MAC8390_CABLETRON;
- break;
- default:
- return MAC8390_APPLE;
- break;
- }
- break;
-
- case NUBUS_DRSW_ASANTE:
- return MAC8390_ASANTE;
- break;
-
- case NUBUS_DRSW_TECHWORKS:
- case NUBUS_DRSW_DAYNA2:
- case NUBUS_DRSW_DAYNA_LC:
- if (dev->dr_hw == NUBUS_DRHW_CABLETRON)
- return MAC8390_CABLETRON;
- else
- return MAC8390_APPLE;
- break;
-
- case NUBUS_DRSW_FARALLON:
- return MAC8390_FARALLON;
- break;
-
- case NUBUS_DRSW_KINETICS:
- switch (dev->dr_hw) {
- case NUBUS_DRHW_INTERLAN:
- return MAC8390_INTERLAN;
- break;
- default:
- return MAC8390_KINETICS;
- break;
- }
- break;
-
- case NUBUS_DRSW_DAYNA:
- /*
- * These correspond to Dayna Sonic cards
- * which use the macsonic driver
- */
- if (dev->dr_hw == NUBUS_DRHW_SMC9194 ||
- dev->dr_hw == NUBUS_DRHW_INTERLAN)
- return MAC8390_NONE;
- else
- return MAC8390_DAYNA;
- break;
- }
- return MAC8390_NONE;
-}
-
-static enum mac8390_access __init mac8390_testio(volatile unsigned long membase)
-{
- unsigned long outdata = 0xA5A0B5B0;
- unsigned long indata = 0x00000000;
- /* Try writing 32 bits */
- memcpy_toio(membase, &outdata, 4);
- /* Now compare them */
- if (memcmp_withio(&outdata, membase, 4) == 0)
- return ACCESS_32;
- /* Write 16 bit output */
- word_memcpy_tocard(membase, &outdata, 4);
- /* Now read it back */
- word_memcpy_fromcard(&indata, membase, 4);
- if (outdata == indata)
- return ACCESS_16;
- return ACCESS_UNKNOWN;
-}
-
-static int __init mac8390_memsize(unsigned long membase)
-{
- unsigned long flags;
- int i, j;
-
- local_irq_save(flags);
- /* Check up to 32K in 4K increments */
- for (i = 0; i < 8; i++) {
- volatile unsigned short *m = (unsigned short *)(membase + (i * 0x1000));
-
- /* Unwriteable - we have a fully decoded card and the
- RAM end located */
- if (hwreg_present(m) == 0)
- break;
-
- /* write a distinctive byte */
- *m = 0xA5A0 | i;
- /* check that we read back what we wrote */
- if (*m != (0xA5A0 | i))
- break;
-
- /* check for partial decode and wrap */
- for (j = 0; j < i; j++) {
- volatile unsigned short *p = (unsigned short *)(membase + (j * 0x1000));
- if (*p != (0xA5A0 | j))
- break;
- }
- }
- local_irq_restore(flags);
- /*
- * in any case, we stopped once we tried one block too many,
- * or once we reached 32K
- */
- return i * 0x1000;
-}
-
-static bool __init mac8390_init(struct net_device *dev, struct nubus_dev *ndev,
- enum mac8390_type cardtype)
-{
- struct nubus_dir dir;
- struct nubus_dirent ent;
- int offset;
- volatile unsigned short *i;
-
- printk_once(KERN_INFO pr_fmt("%s"), version);
-
- dev->irq = SLOT2IRQ(ndev->board->slot);
- /* This is getting to be a habit */
- dev->base_addr = (ndev->board->slot_addr |
- ((ndev->board->slot & 0xf) << 20));
-
- /*
- * Get some Nubus info - we will trust the card's idea
- * of where its memory and registers are.
- */
-
- if (nubus_get_func_dir(ndev, &dir) == -1) {
- pr_err("%s: Unable to get Nubus functional directory for slot %X!\n",
- dev->name, ndev->board->slot);
- return false;
- }
-
- /* Get the MAC address */
- if (nubus_find_rsrc(&dir, NUBUS_RESID_MAC_ADDRESS, &ent) == -1) {
- pr_info("%s: Couldn't get MAC address!\n", dev->name);
- return false;
- }
-
- nubus_get_rsrc_mem(dev->dev_addr, &ent, 6);
-
- if (useresources[cardtype] == 1) {
- nubus_rewinddir(&dir);
- if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_BASEOS,
- &ent) == -1) {
- pr_err("%s: Memory offset resource for slot %X not found!\n",
- dev->name, ndev->board->slot);
- return false;
- }
- nubus_get_rsrc_mem(&offset, &ent, 4);
- dev->mem_start = dev->base_addr + offset;
- /* yes, this is how the Apple driver does it */
- dev->base_addr = dev->mem_start + 0x10000;
- nubus_rewinddir(&dir);
- if (nubus_find_rsrc(&dir, NUBUS_RESID_MINOR_LENGTH,
- &ent) == -1) {
- pr_info("%s: Memory length resource for slot %X not found, probing\n",
- dev->name, ndev->board->slot);
- offset = mac8390_memsize(dev->mem_start);
- } else {
- nubus_get_rsrc_mem(&offset, &ent, 4);
- }
- dev->mem_end = dev->mem_start + offset;
- } else {
- switch (cardtype) {
- case MAC8390_KINETICS:
- case MAC8390_DAYNA: /* it's the same */
- dev->base_addr = (int)(ndev->board->slot_addr +
- DAYNA_8390_BASE);
- dev->mem_start = (int)(ndev->board->slot_addr +
- DAYNA_8390_MEM);
- dev->mem_end = dev->mem_start +
- mac8390_memsize(dev->mem_start);
- break;
- case MAC8390_INTERLAN:
- dev->base_addr = (int)(ndev->board->slot_addr +
- INTERLAN_8390_BASE);
- dev->mem_start = (int)(ndev->board->slot_addr +
- INTERLAN_8390_MEM);
- dev->mem_end = dev->mem_start +
- mac8390_memsize(dev->mem_start);
- break;
- case MAC8390_CABLETRON:
- dev->base_addr = (int)(ndev->board->slot_addr +
- CABLETRON_8390_BASE);
- dev->mem_start = (int)(ndev->board->slot_addr +
- CABLETRON_8390_MEM);
- /* The base address is unreadable if 0x00
- * has been written to the command register
- * Reset the chip by writing E8390_NODMA +
- * E8390_PAGE0 + E8390_STOP just to be
- * sure
- */
- i = (void *)dev->base_addr;
- *i = 0x21;
- dev->mem_end = dev->mem_start +
- mac8390_memsize(dev->mem_start);
- break;
-
- default:
- pr_err("Card type %s is unsupported, sorry\n",
- ndev->board->name);
- return false;
- }
- }
-
- return true;
-}
-
-struct net_device * __init mac8390_probe(int unit)
-{
- struct net_device *dev;
- struct nubus_dev *ndev = NULL;
- int err = -ENODEV;
-
- static unsigned int slots;
-
- enum mac8390_type cardtype;
-
- /* probably should check for Nubus instead */
-
- if (!MACH_IS_MAC)
- return ERR_PTR(-ENODEV);
-
- dev = ____alloc_ei_netdev(0);
- if (!dev)
- return ERR_PTR(-ENOMEM);
-
- if (unit >= 0)
- sprintf(dev->name, "eth%d", unit);
-
- while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, NUBUS_TYPE_ETHERNET,
- ndev))) {
- /* Have we seen it already? */
- if (slots & (1 << ndev->board->slot))
- continue;
- slots |= 1 << ndev->board->slot;
-
- cardtype = mac8390_ident(ndev);
- if (cardtype == MAC8390_NONE)
- continue;
-
- if (!mac8390_init(dev, ndev, cardtype))
- continue;
-
- /* Do the nasty 8390 stuff */
- if (!mac8390_initdev(dev, ndev, cardtype))
- break;
- }
-
- if (!ndev)
- goto out;
- err = register_netdev(dev);
- if (err)
- goto out;
- return dev;
-
-out:
- free_netdev(dev);
- return ERR_PTR(err);
-}
-
-#ifdef MODULE
-MODULE_AUTHOR("David Huggins-Daines <dhd@debian.org> and others");
-MODULE_DESCRIPTION("Macintosh NS8390-based Nubus Ethernet driver");
-MODULE_LICENSE("GPL");
-
-/* overkill, of course */
-static struct net_device *dev_mac8390[15];
-int init_module(void)
-{
- int i;
- for (i = 0; i < 15; i++) {
- struct net_device *dev = mac8390_probe(-1);
- if (IS_ERR(dev))
- break;
- dev_mac890[i] = dev;
- }
- if (!i) {
- pr_notice("No useable cards found, driver NOT installed.\n");
- return -ENODEV;
- }
- return 0;
-}
-
-void cleanup_module(void)
-{
- int i;
- for (i = 0; i < 15; i++) {
- struct net_device *dev = dev_mac890[i];
- if (dev) {
- unregister_netdev(dev);
- free_netdev(dev);
- }
- }
-}
-
-#endif /* MODULE */
-
-static const struct net_device_ops mac8390_netdev_ops = {
- .ndo_open = mac8390_open,
- .ndo_stop = mac8390_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 __init mac8390_initdev(struct net_device *dev,
- struct nubus_dev *ndev,
- enum mac8390_type type)
-{
- static u32 fwrd4_offsets[16] = {
- 0, 4, 8, 12,
- 16, 20, 24, 28,
- 32, 36, 40, 44,
- 48, 52, 56, 60
- };
- static u32 back4_offsets[16] = {
- 60, 56, 52, 48,
- 44, 40, 36, 32,
- 28, 24, 20, 16,
- 12, 8, 4, 0
- };
- static u32 fwrd2_offsets[16] = {
- 0, 2, 4, 6,
- 8, 10, 12, 14,
- 16, 18, 20, 22,
- 24, 26, 28, 30
- };
-
- int access_bitmode = 0;
-
- /* Now fill in our stuff */
- dev->netdev_ops = &mac8390_netdev_ops;
-
- /* GAR, ei_status is actually a macro even though it looks global */
- ei_status.name = cardname[type];
- ei_status.word16 = word16[type];
-
- /* Cabletron's TX/RX buffers are backwards */
- if (type == MAC8390_CABLETRON) {
- ei_status.tx_start_page = CABLETRON_TX_START_PG;
- ei_status.rx_start_page = CABLETRON_RX_START_PG;
- ei_status.stop_page = CABLETRON_RX_STOP_PG;
- ei_status.rmem_start = dev->mem_start;
- ei_status.rmem_end = dev->mem_start + CABLETRON_RX_STOP_PG*256;
- } else {
- ei_status.tx_start_page = WD_START_PG;
- ei_status.rx_start_page = WD_START_PG + TX_PAGES;
- ei_status.stop_page = (dev->mem_end - dev->mem_start)/256;
- ei_status.rmem_start = dev->mem_start + TX_PAGES*256;
- ei_status.rmem_end = dev->mem_end;
- }
-
- /* Fill in model-specific information and functions */
- switch (type) {
- case MAC8390_FARALLON:
- case MAC8390_APPLE:
- switch (mac8390_testio(dev->mem_start)) {
- case ACCESS_UNKNOWN:
- pr_err("Don't know how to access card memory!\n");
- return -ENODEV;
- break;
-
- case ACCESS_16:
- /* 16 bit card, register map is reversed */
- ei_status.reset_8390 = mac8390_no_reset;
- ei_status.block_input = slow_sane_block_input;
- ei_status.block_output = slow_sane_block_output;
- ei_status.get_8390_hdr = slow_sane_get_8390_hdr;
- ei_status.reg_offset = back4_offsets;
- break;
-
- case ACCESS_32:
- /* 32 bit card, register map is reversed */
- ei_status.reset_8390 = mac8390_no_reset;
- ei_status.block_input = sane_block_input;
- ei_status.block_output = sane_block_output;
- ei_status.get_8390_hdr = sane_get_8390_hdr;
- ei_status.reg_offset = back4_offsets;
- access_bitmode = 1;
- break;
- }
- break;
-
- case MAC8390_ASANTE:
- /* Some Asante cards pass the 32 bit test
- * but overwrite system memory when run at 32 bit.
- * so we run them all at 16 bit.
- */
- ei_status.reset_8390 = mac8390_no_reset;
- ei_status.block_input = slow_sane_block_input;
- ei_status.block_output = slow_sane_block_output;
- ei_status.get_8390_hdr = slow_sane_get_8390_hdr;
- ei_status.reg_offset = back4_offsets;
- break;
-
- case MAC8390_CABLETRON:
- /* 16 bit card, register map is short forward */
- ei_status.reset_8390 = mac8390_no_reset;
- ei_status.block_input = slow_sane_block_input;
- ei_status.block_output = slow_sane_block_output;
- ei_status.get_8390_hdr = slow_sane_get_8390_hdr;
- ei_status.reg_offset = fwrd2_offsets;
- break;
-
- case MAC8390_DAYNA:
- case MAC8390_KINETICS:
- /* 16 bit memory, register map is forward */
- /* dayna and similar */
- ei_status.reset_8390 = mac8390_no_reset;
- ei_status.block_input = dayna_block_input;
- ei_status.block_output = dayna_block_output;
- ei_status.get_8390_hdr = dayna_get_8390_hdr;
- ei_status.reg_offset = fwrd4_offsets;
- break;
-
- case MAC8390_INTERLAN:
- /* 16 bit memory, register map is forward */
- ei_status.reset_8390 = interlan_reset;
- ei_status.block_input = slow_sane_block_input;
- ei_status.block_output = slow_sane_block_output;
- ei_status.get_8390_hdr = slow_sane_get_8390_hdr;
- ei_status.reg_offset = fwrd4_offsets;
- break;
-
- default:
- pr_err("Card type %s is unsupported, sorry\n",
- ndev->board->name);
- return -ENODEV;
- }
-
- __NS8390_init(dev, 0);
-
- /* Good, done, now spit out some messages */
- pr_info("%s: %s in slot %X (type %s)\n",
- dev->name, ndev->board->name, ndev->board->slot,
- cardname[type]);
- pr_info("MAC %pM IRQ %d, %d KB shared memory at %#lx, %d-bit access.\n",
- dev->dev_addr, dev->irq,
- (unsigned int)(dev->mem_end - dev->mem_start) >> 10,
- dev->mem_start, access_bitmode ? 32 : 16);
- return 0;
-}
-
-static int mac8390_open(struct net_device *dev)
-{
- int err;
-
- __ei_open(dev);
- err = request_irq(dev->irq, __ei_interrupt, 0, "8390 Ethernet", dev);
- if (err)
- pr_err("%s: unable to get IRQ %d\n", dev->name, dev->irq);
- return err;
-}
-
-static int mac8390_close(struct net_device *dev)
-{
- free_irq(dev->irq, dev);
- __ei_close(dev);
- return 0;
-}
-
-static void mac8390_no_reset(struct net_device *dev)
-{
- ei_status.txing = 0;
- if (ei_debug > 1)
- pr_info("reset not supported\n");
-}
-
-static void interlan_reset(struct net_device *dev)
-{
- unsigned char *target = nubus_slot_addr(IRQ2SLOT(dev->irq));
- if (ei_debug > 1)
- pr_info("Need to reset the NS8390 t=%lu...", jiffies);
- ei_status.txing = 0;
- target[0xC0000] = 0;
- if (ei_debug > 1)
- pr_cont("reset complete\n");
-}
-
-/* dayna_memcpy_fromio/dayna_memcpy_toio */
-/* directly from daynaport.c by Alan Cox */
-static void dayna_memcpy_fromcard(struct net_device *dev, void *to, int from,
- int count)
-{
- volatile unsigned char *ptr;
- unsigned char *target = to;
- from <<= 1; /* word, skip overhead */
- ptr = (unsigned char *)(dev->mem_start+from);
- /* Leading byte? */
- if (from & 2) {
- *target++ = ptr[-1];
- ptr += 2;
- count--;
- }
- while (count >= 2) {
- *(unsigned short *)target = *(unsigned short volatile *)ptr;
- ptr += 4; /* skip cruft */
- target += 2;
- count -= 2;
- }
- /* Trailing byte? */
- if (count)
- *target = *ptr;
-}
-
-static void dayna_memcpy_tocard(struct net_device *dev, int to,
- const void *from, int count)
-{
- volatile unsigned short *ptr;
- const unsigned char *src = from;
- to <<= 1; /* word, skip overhead */
- ptr = (unsigned short *)(dev->mem_start+to);
- /* Leading byte? */
- if (to & 2) { /* avoid a byte write (stomps on other data) */
- ptr[-1] = (ptr[-1]&0xFF00)|*src++;
- ptr++;
- count--;
- }
- while (count >= 2) {
- *ptr++ = *(unsigned short *)src; /* Copy and */
- ptr++; /* skip cruft */
- src += 2;
- count -= 2;
- }
- /* Trailing byte? */
- if (count) {
- /* card doesn't like byte writes */
- *ptr = (*ptr & 0x00FF) | (*src << 8);
- }
-}
-
-/* sane block input/output */
-static void sane_get_8390_hdr(struct net_device *dev,
- struct e8390_pkt_hdr *hdr, int ring_page)
-{
- unsigned long hdr_start = (ring_page - WD_START_PG)<<8;
- memcpy_fromio(hdr, dev->mem_start + hdr_start, 4);
- /* Fix endianness */
- hdr->count = swab16(hdr->count);
-}
-
-static void sane_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset)
-{
- unsigned long xfer_base = ring_offset - (WD_START_PG<<8);
- unsigned long xfer_start = xfer_base + dev->mem_start;
-
- if (xfer_start + count > ei_status.rmem_end) {
- /* We must wrap the input move. */
- int semi_count = ei_status.rmem_end - xfer_start;
- memcpy_fromio(skb->data, dev->mem_start + xfer_base,
- semi_count);
- count -= semi_count;
- memcpy_fromio(skb->data + semi_count, ei_status.rmem_start,
- count);
- } else {
- memcpy_fromio(skb->data, dev->mem_start + xfer_base, count);
- }
-}
-
-static void sane_block_output(struct net_device *dev, int count,
- const unsigned char *buf, int start_page)
-{
- long shmem = (start_page - WD_START_PG)<<8;
-
- memcpy_toio(dev->mem_start + shmem, buf, count);
-}
-
-/* dayna block input/output */
-static void dayna_get_8390_hdr(struct net_device *dev,
- struct e8390_pkt_hdr *hdr, int ring_page)
-{
- unsigned long hdr_start = (ring_page - WD_START_PG)<<8;
-
- dayna_memcpy_fromcard(dev, hdr, hdr_start, 4);
- /* Fix endianness */
- hdr->count = (hdr->count & 0xFF) << 8 | (hdr->count >> 8);
-}
-
-static void dayna_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset)
-{
- unsigned long xfer_base = ring_offset - (WD_START_PG<<8);
- unsigned long xfer_start = xfer_base+dev->mem_start;
-
- /* Note the offset math is done in card memory space which is word
- per long onto our space. */
-
- if (xfer_start + count > ei_status.rmem_end) {
- /* We must wrap the input move. */
- int semi_count = ei_status.rmem_end - xfer_start;
- dayna_memcpy_fromcard(dev, skb->data, xfer_base, semi_count);
- count -= semi_count;
- dayna_memcpy_fromcard(dev, skb->data + semi_count,
- ei_status.rmem_start - dev->mem_start,
- count);
- } else {
- dayna_memcpy_fromcard(dev, skb->data, xfer_base, count);
- }
-}
-
-static void dayna_block_output(struct net_device *dev, int count,
- const unsigned char *buf,
- int start_page)
-{
- long shmem = (start_page - WD_START_PG)<<8;
-
- dayna_memcpy_tocard(dev, shmem, buf, count);
-}
-
-/* Cabletron block I/O */
-static void slow_sane_get_8390_hdr(struct net_device *dev,
- struct e8390_pkt_hdr *hdr,
- int ring_page)
-{
- unsigned long hdr_start = (ring_page - WD_START_PG)<<8;
- word_memcpy_fromcard(hdr, dev->mem_start + hdr_start, 4);
- /* Register endianism - fix here rather than 8390.c */
- hdr->count = (hdr->count&0xFF)<<8|(hdr->count>>8);
-}
-
-static void slow_sane_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset)
-{
- unsigned long xfer_base = ring_offset - (WD_START_PG<<8);
- unsigned long xfer_start = xfer_base+dev->mem_start;
-
- if (xfer_start + count > ei_status.rmem_end) {
- /* We must wrap the input move. */
- int semi_count = ei_status.rmem_end - xfer_start;
- word_memcpy_fromcard(skb->data, dev->mem_start + xfer_base,
- semi_count);
- count -= semi_count;
- word_memcpy_fromcard(skb->data + semi_count,
- ei_status.rmem_start, count);
- } else {
- word_memcpy_fromcard(skb->data, dev->mem_start + xfer_base,
- count);
- }
-}
-
-static void slow_sane_block_output(struct net_device *dev, int count,
- const unsigned char *buf, int start_page)
-{
- long shmem = (start_page - WD_START_PG)<<8;
-
- word_memcpy_tocard(dev->mem_start + shmem, buf, count);
-}
-
-static void word_memcpy_tocard(unsigned long tp, const void *fp, int count)
-{
- volatile unsigned short *to = (void *)tp;
- const unsigned short *from = fp;
-
- count++;
- count /= 2;
-
- while (count--)
- *to++ = *from++;
-}
-
-static void word_memcpy_fromcard(void *tp, unsigned long fp, int count)
-{
- unsigned short *to = tp;
- const volatile unsigned short *from = (const void *)fp;
-
- count++;
- count /= 2;
-
- while (count--)
- *to++ = *from++;
-}
-
-
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