diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/Space.c | 16 | ||||
| -rw-r--r-- | drivers/net/ethernet/8390/3c503.c | 778 | ||||
| -rw-r--r-- | drivers/net/ethernet/8390/3c503.h | 91 | ||||
| -rw-r--r-- | drivers/net/ethernet/8390/Kconfig | 48 | ||||
| -rw-r--r-- | drivers/net/ethernet/8390/Makefile | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/8390/e2100.c | 489 | ||||
| -rw-r--r-- | drivers/net/ethernet/8390/hp-plus.c | 505 | ||||
| -rw-r--r-- | drivers/net/ethernet/8390/hp.c | 438 |
8 files changed, 0 insertions, 2369 deletions
diff --git a/drivers/net/Space.c b/drivers/net/Space.c index 15de20bed4fc..393b0176c131 100644 --- a/drivers/net/Space.c +++ b/drivers/net/Space.c @@ -40,14 +40,10 @@ extern struct net_device *hp100_probe(int unit); extern struct net_device *ultra_probe(int unit); extern struct net_device *wd_probe(int unit); -extern struct net_device *el2_probe(int unit); extern struct net_device *ne_probe(int unit); -extern struct net_device *hp_probe(int unit); -extern struct net_device *hp_plus_probe(int unit); extern struct net_device *fmv18x_probe(int unit); extern struct net_device *i82596_probe(int unit); extern struct net_device *ewrk3_probe(int unit); -extern struct net_device *e2100_probe(int unit); extern struct net_device *ni65_probe(int unit); extern struct net_device *sonic_probe(int unit); extern struct net_device *seeq8005_probe(int unit); @@ -108,18 +104,6 @@ static struct devprobe2 isa_probes[] __initdata = { #ifdef CONFIG_WD80x3 {wd_probe, 0}, #endif -#ifdef CONFIG_EL2 /* 3c503 */ - {el2_probe, 0}, -#endif -#ifdef CONFIG_HPLAN - {hp_probe, 0}, -#endif -#ifdef CONFIG_HPLAN_PLUS - {hp_plus_probe, 0}, -#endif -#ifdef CONFIG_E2100 /* Cabletron E21xx series. */ - {e2100_probe, 0}, -#endif #if defined(CONFIG_NE2000) || \ defined(CONFIG_NE_H8300) /* ISA (use ne2k-pci for PCI cards) */ {ne_probe, 0}, diff --git a/drivers/net/ethernet/8390/3c503.c b/drivers/net/ethernet/8390/3c503.c deleted file mode 100644 index 0e9afe7b61a4..000000000000 --- a/drivers/net/ethernet/8390/3c503.c +++ /dev/null @@ -1,778 +0,0 @@ -/* 3c503.c: A shared-memory NS8390 ethernet driver for linux. */ -/* - Written 1992-94 by Donald Becker. - - Copyright 1993 United States Government as represented by the - Director, National Security Agency. This software may be used and - distributed according to the terms of the GNU General Public License, - incorporated herein by reference. - - The author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 410 Severn Ave., Suite 210 - Annapolis MD 21403 - - - This driver should work with the 3c503 and 3c503/16. It should be used - in shared memory mode for best performance, although it may also work - in programmed-I/O mode. - - Sources: - EtherLink II Technical Reference Manual, - EtherLink II/16 Technical Reference Manual Supplement, - 3Com Corporation, 5400 Bayfront Plaza, Santa Clara CA 95052-8145 - - The Crynwr 3c503 packet driver. - - Changelog: - - Paul Gortmaker : add support for the 2nd 8kB of RAM on 16 bit cards. - Paul Gortmaker : multiple card support for module users. - rjohnson@analogic.com : Fix up PIO interface for efficient operation. - Jeff Garzik : ethtool support - -*/ - -#define DRV_NAME "3c503" -#define DRV_VERSION "1.10a" -#define DRV_RELDATE "11/17/2001" - - -static const char version[] = - DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " Donald Becker (becker@scyld.com)\n"; - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/ethtool.h> - -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/byteorder.h> - -#include "8390.h" -#include "3c503.h" -#define WRD_COUNT 4 - -static int el2_pio_probe(struct net_device *dev); -static int el2_probe1(struct net_device *dev, int ioaddr); - -/* A zero-terminated list of I/O addresses to be probed in PIO mode. */ -static unsigned int netcard_portlist[] __initdata = - { 0x300,0x310,0x330,0x350,0x250,0x280,0x2a0,0x2e0,0}; - -#define EL2_IO_EXTENT 16 - -static int el2_open(struct net_device *dev); -static int el2_close(struct net_device *dev); -static void el2_reset_8390(struct net_device *dev); -static void el2_init_card(struct net_device *dev); -static void el2_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page); -static void el2_block_input(struct net_device *dev, int count, struct sk_buff *skb, - int ring_offset); -static void el2_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page); -static const struct ethtool_ops netdev_ethtool_ops; - - -/* This routine probes for a memory-mapped 3c503 board by looking for - the "location register" at the end of the jumpered boot PROM space. - This works even if a PROM isn't there. - - If the ethercard isn't found there is an optional probe for - ethercard jumpered to programmed-I/O mode. - */ -static int __init do_el2_probe(struct net_device *dev) -{ - int *addr, addrs[] = { 0xddffe, 0xd9ffe, 0xcdffe, 0xc9ffe, 0}; - int base_addr = dev->base_addr; - int irq = dev->irq; - - if (base_addr > 0x1ff) /* Check a single specified location. */ - return el2_probe1(dev, base_addr); - else if (base_addr != 0) /* Don't probe at all. */ - return -ENXIO; - - for (addr = addrs; *addr; addr++) { - void __iomem *p = ioremap(*addr, 1); - unsigned base_bits; - int i; - - if (!p) - continue; - base_bits = readb(p); - iounmap(p); - i = ffs(base_bits) - 1; - if (i == -1 || base_bits != (1 << i)) - continue; - if (el2_probe1(dev, netcard_portlist[i]) == 0) - return 0; - dev->irq = irq; - } -#if ! defined(no_probe_nonshared_memory) - return el2_pio_probe(dev); -#else - return -ENODEV; -#endif -} - -/* Try all of the locations that aren't obviously empty. This touches - a lot of locations, and is much riskier than the code above. */ -static int __init -el2_pio_probe(struct net_device *dev) -{ - int i; - int base_addr = dev->base_addr; - int irq = dev->irq; - - if (base_addr > 0x1ff) /* Check a single specified location. */ - return el2_probe1(dev, base_addr); - else if (base_addr != 0) /* Don't probe at all. */ - return -ENXIO; - - for (i = 0; netcard_portlist[i]; i++) { - if (el2_probe1(dev, netcard_portlist[i]) == 0) - return 0; - dev->irq = irq; - } - - return -ENODEV; -} - -#ifndef MODULE -struct net_device * __init el2_probe(int unit) -{ - struct net_device *dev = alloc_eip_netdev(); - int err; - - if (!dev) - return ERR_PTR(-ENOMEM); - - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - - err = do_el2_probe(dev); - if (err) - goto out; - return dev; -out: - free_netdev(dev); - return ERR_PTR(err); -} -#endif - -static const struct net_device_ops el2_netdev_ops = { - .ndo_open = el2_open, - .ndo_stop = el2_close, - - .ndo_start_xmit = eip_start_xmit, - .ndo_tx_timeout = eip_tx_timeout, - .ndo_get_stats = eip_get_stats, - .ndo_set_rx_mode = eip_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 = eip_poll, -#endif -}; - -/* Probe for the Etherlink II card at I/O port base IOADDR, - returning non-zero on success. If found, set the station - address and memory parameters in DEVICE. */ -static int __init -el2_probe1(struct net_device *dev, int ioaddr) -{ - int i, iobase_reg, membase_reg, saved_406, wordlength, retval; - static unsigned version_printed; - unsigned long vendor_id; - - if (!request_region(ioaddr, EL2_IO_EXTENT, DRV_NAME)) - return -EBUSY; - - if (!request_region(ioaddr + 0x400, 8, DRV_NAME)) { - retval = -EBUSY; - goto out; - } - - /* Reset and/or avoid any lurking NE2000 */ - if (inb(ioaddr + 0x408) == 0xff) { - mdelay(1); - retval = -ENODEV; - goto out1; - } - - /* We verify that it's a 3C503 board by checking the first three octets - of its ethernet address. */ - iobase_reg = inb(ioaddr+0x403); - membase_reg = inb(ioaddr+0x404); - /* ASIC location registers should be 0 or have only a single bit set. */ - if ((iobase_reg & (iobase_reg - 1)) || - (membase_reg & (membase_reg - 1))) { - retval = -ENODEV; - goto out1; - } - saved_406 = inb_p(ioaddr + 0x406); - outb_p(ECNTRL_RESET|ECNTRL_THIN, ioaddr + 0x406); /* Reset it... */ - outb_p(ECNTRL_THIN, ioaddr + 0x406); - /* Map the station addr PROM into the lower I/O ports. We now check - for both the old and new 3Com prefix */ - outb(ECNTRL_SAPROM|ECNTRL_THIN, ioaddr + 0x406); - vendor_id = inb(ioaddr)*0x10000 + inb(ioaddr + 1)*0x100 + inb(ioaddr + 2); - if ((vendor_id != OLD_3COM_ID) && (vendor_id != NEW_3COM_ID)) { - /* Restore the register we frobbed. */ - outb(saved_406, ioaddr + 0x406); - retval = -ENODEV; - goto out1; - } - - if (ei_debug && version_printed++ == 0) - pr_debug("%s", version); - - dev->base_addr = ioaddr; - - pr_info("%s: 3c503 at i/o base %#3x, node ", dev->name, ioaddr); - - /* Retrieve and print the ethernet address. */ - for (i = 0; i < 6; i++) - dev->dev_addr[i] = inb(ioaddr + i); - pr_cont("%pM", dev->dev_addr); - - /* Map the 8390 back into the window. */ - outb(ECNTRL_THIN, ioaddr + 0x406); - - /* Check for EL2/16 as described in tech. man. */ - outb_p(E8390_PAGE0, ioaddr + E8390_CMD); - outb_p(0, ioaddr + EN0_DCFG); - outb_p(E8390_PAGE2, ioaddr + E8390_CMD); - wordlength = inb_p(ioaddr + EN0_DCFG) & ENDCFG_WTS; - outb_p(E8390_PAGE0, ioaddr + E8390_CMD); - - /* Probe for, turn on and clear the board's shared memory. */ - if (ei_debug > 2) - pr_cont(" memory jumpers %2.2x ", membase_reg); - outb(EGACFR_NORM, ioaddr + 0x405); /* Enable RAM */ - - /* This should be probed for (or set via an ioctl()) at run-time. - Right now we use a sleazy hack to pass in the interface number - at boot-time via the low bits of the mem_end field. That value is - unused, and the low bits would be discarded even if it was used. */ -#if defined(EI8390_THICK) || defined(EL2_AUI) - ei_status.interface_num = 1; -#else - ei_status.interface_num = dev->mem_end & 0xf; -#endif - pr_cont(", using %sternal xcvr.\n", ei_status.interface_num == 0 ? "in" : "ex"); - - if ((membase_reg & 0xf0) == 0) { - dev->mem_start = 0; - ei_status.name = "3c503-PIO"; - ei_status.mem = NULL; - } else { - dev->mem_start = ((membase_reg & 0xc0) ? 0xD8000 : 0xC8000) + - ((membase_reg & 0xA0) ? 0x4000 : 0); -#define EL2_MEMSIZE (EL2_MB1_STOP_PG - EL2_MB1_START_PG)*256 - ei_status.mem = ioremap(dev->mem_start, EL2_MEMSIZE); - -#ifdef EL2MEMTEST - /* This has never found an error, but someone might care. - Note that it only tests the 2nd 8kB on 16kB 3c503/16 - cards between card addr. 0x2000 and 0x3fff. */ - { /* Check the card's memory. */ - void __iomem *mem_base = ei_status.mem; - unsigned int test_val = 0xbbadf00d; - writel(0xba5eba5e, mem_base); - for (i = sizeof(test_val); i < EL2_MEMSIZE; i+=sizeof(test_val)) { - writel(test_val, mem_base + i); - if (readl(mem_base) != 0xba5eba5e || - readl(mem_base + i) != test_val) { - pr_warning("3c503: memory failure or memory address conflict.\n"); - dev->mem_start = 0; - ei_status.name = "3c503-PIO"; - iounmap(mem_base); - ei_status.mem = NULL; - break; - } - test_val += 0x55555555; - writel(0, mem_base + i); - } - } -#endif /* EL2MEMTEST */ - - if (dev->mem_start) - dev->mem_end = dev->mem_start + EL2_MEMSIZE; - - if (wordlength) { /* No Tx pages to skip over to get to Rx */ - ei_status.priv = 0; - ei_status.name = "3c503/16"; - } else { - ei_status.priv = TX_PAGES * 256; - ei_status.name = "3c503"; - } - } - - /* - Divide up the memory on the card. This is the same regardless of - whether shared-mem or PIO is used. For 16 bit cards (16kB RAM), - we use the entire 8k of bank1 for an Rx ring. We only use 3k - of the bank0 for 2 full size Tx packet slots. For 8 bit cards, - (8kB RAM) we use 3kB of bank1 for two Tx slots, and the remaining - 5kB for an Rx ring. */ - - if (wordlength) { - ei_status.tx_start_page = EL2_MB0_START_PG; - ei_status.rx_start_page = EL2_MB1_START_PG; - } else { - ei_status.tx_start_page = EL2_MB1_START_PG; - ei_status.rx_start_page = EL2_MB1_START_PG + TX_PAGES; - } - - /* Finish setting the board's parameters. */ - ei_status.stop_page = EL2_MB1_STOP_PG; - ei_status.word16 = wordlength; - ei_status.reset_8390 = el2_reset_8390; - ei_status.get_8390_hdr = el2_get_8390_hdr; - ei_status.block_input = el2_block_input; - ei_status.block_output = el2_block_output; - - if (dev->irq == 2) - dev->irq = 9; - else if (dev->irq > 5 && dev->irq != 9) { - pr_warning("3c503: configured interrupt %d invalid, will use autoIRQ.\n", - dev->irq); - dev->irq = 0; - } - - ei_status.saved_irq = dev->irq; - - dev->netdev_ops = &el2_netdev_ops; - dev->ethtool_ops = &netdev_ethtool_ops; - - retval = register_netdev(dev); - if (retval) - goto out1; - - if (dev->mem_start) - pr_info("%s: %s - %dkB RAM, 8kB shared mem window at %#6lx-%#6lx.\n", - dev->name, ei_status.name, (wordlength+1)<<3, - dev->mem_start, dev->mem_end-1); - - else - { - ei_status.tx_start_page = EL2_MB1_START_PG; - ei_status.rx_start_page = EL2_MB1_START_PG + TX_PAGES; - pr_info("%s: %s, %dkB RAM, using programmed I/O (REJUMPER for SHARED MEMORY).\n", - dev->name, ei_status.name, (wordlength+1)<<3); - } - release_region(ioaddr + 0x400, 8); - return 0; -out1: - release_region(ioaddr + 0x400, 8); -out: - release_region(ioaddr, EL2_IO_EXTENT); - return retval; -} - -static irqreturn_t el2_probe_interrupt(int irq, void *seen) -{ - *(bool *)seen = true; - return IRQ_HANDLED; -} - -static int -el2_open(struct net_device *dev) -{ - int retval; - - if (dev->irq < 2) { - static const int irqlist[] = {5, 9, 3, 4, 0}; - const int *irqp = irqlist; - - outb(EGACFR_NORM, E33G_GACFR); /* Enable RAM and interrupts. */ - do { - bool seen; - - retval = request_irq(*irqp, el2_probe_interrupt, 0, - dev->name, &seen); - if (retval == -EBUSY) - continue; - if (retval < 0) - goto err_disable; - - /* Twinkle the interrupt, and check if it's seen. */ - seen = false; - smp_wmb(); - outb_p(0x04 << ((*irqp == 9) ? 2 : *irqp), E33G_IDCFR); - outb_p(0x00, E33G_IDCFR); - msleep(1); - free_irq(*irqp, &seen); - if (!seen) - continue; - - retval = request_irq(dev->irq = *irqp, eip_interrupt, 0, - dev->name, dev); - if (retval == -EBUSY) - continue; - if (retval < 0) - goto err_disable; - break; - } while (*++irqp); - - if (*irqp == 0) { - err_disable: - outb(EGACFR_IRQOFF, E33G_GACFR); /* disable interrupts. */ - return -EAGAIN; - } - } else { - if ((retval = request_irq(dev->irq, eip_interrupt, 0, dev->name, dev))) { - return retval; - } - } - - el2_init_card(dev); - eip_open(dev); - return 0; -} - -static int -el2_close(struct net_device *dev) -{ - free_irq(dev->irq, dev); - dev->irq = ei_status.saved_irq; - outb(EGACFR_IRQOFF, E33G_GACFR); /* disable interrupts. */ - - eip_close(dev); - return 0; -} - -/* This is called whenever we have a unrecoverable failure: - transmit timeout - Bad ring buffer packet header - */ -static void -el2_reset_8390(struct net_device *dev) -{ - if (ei_debug > 1) { - pr_debug("%s: Resetting the 3c503 board...", dev->name); - pr_cont(" %#lx=%#02x %#lx=%#02x %#lx=%#02x...", E33G_IDCFR, inb(E33G_IDCFR), - E33G_CNTRL, inb(E33G_CNTRL), E33G_GACFR, inb(E33G_GACFR)); - } - outb_p(ECNTRL_RESET|ECNTRL_THIN, E33G_CNTRL); - ei_status.txing = 0; - outb_p(ei_status.interface_num==0 ? ECNTRL_THIN : ECNTRL_AUI, E33G_CNTRL); - el2_init_card(dev); - if (ei_debug > 1) - pr_cont("done\n"); -} - -/* Initialize the 3c503 GA registers after a reset. */ -static void -el2_init_card(struct net_device *dev) -{ - /* Unmap the station PROM and select the DIX or BNC connector. */ - outb_p(ei_status.interface_num==0 ? ECNTRL_THIN : ECNTRL_AUI, E33G_CNTRL); - - /* Set ASIC copy of rx's first and last+1 buffer pages */ - /* These must be the same as in the 8390. */ - outb(ei_status.rx_start_page, E33G_STARTPG); - outb(ei_status.stop_page, E33G_STOPPG); - - /* Point the vector pointer registers somewhere ?harmless?. */ - outb(0xff, E33G_VP2); /* Point at the ROM restart location 0xffff0 */ - outb(0xff, E33G_VP1); - outb(0x00, E33G_VP0); - /* Turn off all interrupts until we're opened. */ - outb_p(0x00, dev->base_addr + EN0_IMR); - /* Enable IRQs iff started. */ - outb(EGACFR_NORM, E33G_GACFR); - - /* Set the interrupt line. */ - outb_p((0x04 << (dev->irq == 9 ? 2 : dev->irq)), E33G_IDCFR); - outb_p((WRD_COUNT << 1), E33G_DRQCNT); /* Set burst size to 8 */ - outb_p(0x20, E33G_DMAAH); /* Put a valid addr in the GA DMA */ - outb_p(0x00, E33G_DMAAL); - return; /* We always succeed */ -} - -/* - * Either use the shared memory (if enabled on the board) or put the packet - * out through the ASIC FIFO. - */ -static void -el2_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page) -{ - unsigned short int *wrd; - int boguscount; /* timeout counter */ - unsigned short word; /* temporary for better machine code */ - void __iomem *base = ei_status.mem; - - if (ei_status.word16) /* Tx packets go into bank 0 on EL2/16 card */ - outb(EGACFR_RSEL|EGACFR_TCM, E33G_GACFR); - else - outb(EGACFR_NORM, E33G_GACFR); - - if (base) { /* Shared memory transfer */ - memcpy_toio(base + ((start_page - ei_status.tx_start_page) << 8), - buf, count); - outb(EGACFR_NORM, E33G_GACFR); /* Back to bank1 in case on bank0 */ - return; - } - -/* - * No shared memory, put the packet out the other way. - * Set up then start the internal memory transfer to Tx Start Page - */ - - word = (unsigned short)start_page; - outb(word&0xFF, E33G_DMAAH); - outb(word>>8, E33G_DMAAL); - - outb_p((ei_status.interface_num ? ECNTRL_AUI : ECNTRL_THIN ) | ECNTRL_OUTPUT - | ECNTRL_START, E33G_CNTRL); - -/* - * Here I am going to write data to the FIFO as quickly as possible. - * Note that E33G_FIFOH is defined incorrectly. It is really - * E33G_FIFOL, the lowest port address for both the byte and - * word write. Variable 'count' is NOT checked. Caller must supply a - * valid count. Note that I may write a harmless extra byte to the - * 8390 if the byte-count was not even. - */ - wrd = (unsigned short int *) buf; - count = (count + 1) >> 1; - for(;;) - { - boguscount = 0x1000; - while ((inb(E33G_STATUS) & ESTAT_DPRDY) == 0) - { - if(!boguscount--) - { - pr_notice("%s: FIFO blocked in el2_block_output.\n", dev->name); - el2_reset_8390(dev); - goto blocked; - } - } - if(count > WRD_COUNT) - { - outsw(E33G_FIFOH, wrd, WRD_COUNT); - wrd += WRD_COUNT; - count -= WRD_COUNT; - } - else - { - outsw(E33G_FIFOH, wrd, count); - break; - } - } - blocked:; - outb_p(ei_status.interface_num==0 ? ECNTRL_THIN : ECNTRL_AUI, E33G_CNTRL); -} - -/* Read the 4 byte, page aligned 8390 specific header. */ -static void -el2_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) -{ - int boguscount; - void __iomem *base = ei_status.mem; - unsigned short word; - - if (base) { /* Use the shared memory. */ - void __iomem *hdr_start = base + ((ring_page - EL2_MB1_START_PG)<<8); - memcpy_fromio(hdr, hdr_start, sizeof(struct e8390_pkt_hdr)); - hdr->count = le16_to_cpu(hdr->count); - return; - } - -/* - * No shared memory, use programmed I/O. - */ - - word = (unsigned short)ring_page; - outb(word&0xFF, E33G_DMAAH); - outb(word>>8, E33G_DMAAL); - - outb_p((ei_status.interface_num == 0 ? ECNTRL_THIN : ECNTRL_AUI) | ECNTRL_INPUT - | ECNTRL_START, E33G_CNTRL); - boguscount = 0x1000; - while ((inb(E33G_STATUS) & ESTAT_DPRDY) == 0) - { - if(!boguscount--) - { - pr_notice("%s: FIFO blocked in el2_get_8390_hdr.\n", dev->name); - memset(hdr, 0x00, sizeof(struct e8390_pkt_hdr)); - el2_reset_8390(dev); - goto blocked; - } - } - insw(E33G_FIFOH, hdr, (sizeof(struct e8390_pkt_hdr))>> 1); - blocked:; - outb_p(ei_status.interface_num == 0 ? ECNTRL_THIN : ECNTRL_AUI, E33G_CNTRL); -} - - -static void -el2_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) -{ - int boguscount = 0; - void __iomem *base = ei_status.mem; - unsigned short int *buf; - unsigned short word; - - /* Maybe enable shared memory just be to be safe... nahh.*/ - if (base) { /* Use the shared memory. */ - ring_offset -= (EL2_MB1_START_PG<<8); - if (ring_offset + count > EL2_MEMSIZE) { - /* We must wrap the input move. */ - int semi_count = EL2_MEMSIZE - ring_offset; - memcpy_fromio(skb->data, base + ring_offset, semi_count); - count -= semi_count; - memcpy_fromio(skb->data + semi_count, base + ei_status.priv, count); - } else { - memcpy_fromio(skb->data, base + ring_offset, count); - } - return; - } - -/* - * No shared memory, use programmed I/O. - */ - word = (unsigned short) ring_offset; - outb(word>>8, E33G_DMAAH); - outb(word&0xFF, E33G_DMAAL); - - outb_p((ei_status.interface_num == 0 ? ECNTRL_THIN : ECNTRL_AUI) | ECNTRL_INPUT - | ECNTRL_START, E33G_CNTRL); - -/* - * Here I also try to get data as fast as possible. I am betting that I - * can read one extra byte without clobbering anything in the kernel because - * this would only occur on an odd byte-count and allocation of skb->data - * is word-aligned. Variable 'count' is NOT checked. Caller must check - * for a valid count. - * [This is currently quite safe.... but if one day the 3c503 explodes - * you know where to come looking ;)] - */ - - buf = (unsigned short int *) skb->data; - count = (count + 1) >> 1; - for(;;) - { - boguscount = 0x1000; - while ((inb(E33G_STATUS) & ESTAT_DPRDY) == 0) - { - if(!boguscount--) - { - pr_notice("%s: FIFO blocked in el2_block_input.\n", dev->name); - el2_reset_8390(dev); - goto blocked; - } - } - if(count > WRD_COUNT) - { - insw(E33G_FIFOH, buf, WRD_COUNT); - buf += WRD_COUNT; - count -= WRD_COUNT; - } - else - { - insw(E33G_FIFOH, buf, count); - break; - } - } - blocked:; - outb_p(ei_status.interface_num == 0 ? ECNTRL_THIN : ECNTRL_AUI, E33G_CNTRL); -} - - -static void netdev_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); - snprintf(info->bus_info, sizeof(info->bus_info), "ISA 0x%lx", - dev->base_addr); -} - -static const struct ethtool_ops netdev_ethtool_ops = { - .get_drvinfo = netdev_get_drvinfo, -}; - -#ifdef MODULE -#define MAX_EL2_CARDS 4 /* Max number of EL2 cards per module */ - -static struct net_device *dev_el2[MAX_EL2_CARDS]; -static int io[MAX_EL2_CARDS]; -static int irq[MAX_EL2_CARDS]; -static int xcvr[MAX_EL2_CARDS]; /* choose int. or ext. xcvr */ -module_param_array(io, int, NULL, 0); -module_param_array(irq, int, NULL, 0); -module_param_array(xcvr, int, NULL, 0); -MODULE_PARM_DESC(io, "I/O base address(es)"); -MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)"); -MODULE_PARM_DESC(xcvr, "transceiver(s) (0=internal, 1=external)"); -MODULE_DESCRIPTION("3Com ISA EtherLink II, II/16 (3c503, 3c503/16) driver"); -MODULE_LICENSE("GPL"); - -/* This is set up so that only a single autoprobe takes place per call. -ISA device autoprobes on a running machine are not recommended. */ -int __init -init_module(void) -{ - struct net_device *dev; - int this_dev, found = 0; - - for (this_dev = 0; this_dev < MAX_EL2_CARDS; this_dev++) { - if (io[this_dev] == 0) { - if (this_dev != 0) break; /* only autoprobe 1st one */ - pr_notice("3c503.c: Presently autoprobing (not recommended) for a single card.\n"); - } - dev = alloc_eip_netdev(); - if (!dev) - break; - dev->irq = irq[this_dev]; - dev->base_addr = io[this_dev]; - dev->mem_end = xcvr[this_dev]; /* low 4bits = xcvr sel. */ - if (do_el2_probe(dev) == 0) { - dev_el2[found++] = dev; - continue; - } - free_netdev(dev); - pr_warning("3c503.c: No 3c503 card found (i/o = 0x%x).\n", io[this_dev]); - break; - } - if (found) - return 0; - return -ENXIO; -} - -static void cleanup_card(struct net_device *dev) -{ - /* NB: el2_close() handles free_irq */ - release_region(dev->base_addr, EL2_IO_EXTENT); - if (ei_status.mem) - iounmap(ei_status.mem); -} - -void __exit -cleanup_module(void) -{ - int this_dev; - - for (this_dev = 0; this_dev < MAX_EL2_CARDS; this_dev++) { - struct net_device *dev = dev_el2[this_dev]; - if (dev) { - unregister_netdev(dev); - cleanup_card(dev); - free_netdev(dev); - } - } -} -#endif /* MODULE */ diff --git a/drivers/net/ethernet/8390/3c503.h b/drivers/net/ethernet/8390/3c503.h deleted file mode 100644 index e2367b82a2ec..000000000000 --- a/drivers/net/ethernet/8390/3c503.h +++ /dev/null @@ -1,91 +0,0 @@ -/* Definitions for the 3Com 3c503 Etherlink 2. */ -/* This file is distributed under the GPL. - Many of these names and comments are directly from the Crynwr packet - drivers, which are released under the GPL. */ - -#define EL2H (dev->base_addr + 0x400) -#define EL2L (dev->base_addr) - -/* Vendor unique hardware addr. prefix. 3Com has 2 because they ran - out of available addresses on the first one... */ - -#define OLD_3COM_ID 0x02608c -#define NEW_3COM_ID 0x0020af - -/* Shared memory management parameters. NB: The 8 bit cards have only - one bank (MB1) which serves both Tx and Rx packet space. The 16bit - cards have 2 banks, MB0 for Tx packets, and MB1 for Rx packets. - You choose which bank appears in the sh. mem window with EGACFR_MBSn */ - -#define EL2_MB0_START_PG (0x00) /* EL2/16 Tx packets go in bank 0 */ -#define EL2_MB1_START_PG (0x20) /* First page of bank 1 */ -#define EL2_MB1_STOP_PG (0x40) /* Last page +1 of bank 1 */ - -/* 3Com 3c503 ASIC registers */ -#define E33G_STARTPG (EL2H+0) /* Start page, matching EN0_STARTPG */ -#define E33G_STOPPG (EL2H+1) /* Stop page, must match EN0_STOPPG */ -#define E33G_DRQCNT (EL2H+2) /* DMA burst count */ -#define E33G_IOBASE (EL2H+3) /* Read of I/O base jumpers. */ - /* (non-useful, but it also appears at the end of EPROM space) */ -#define E33G_ROMBASE (EL2H+4) /* Read of memory base jumpers. */ -#define E33G_GACFR (EL2H+5) /* Config/setup bits for the ASIC GA */ -#define E33G_CNTRL (EL2H+6) /* Board's main control register */ -#define E33G_STATUS (EL2H+7) /* Status on completions. */ -#define E33G_IDCFR (EL2H+8) /* Interrupt/DMA config register */ - /* (Which IRQ to assert, DMA chan to use) */ -#define E33G_DMAAH (EL2H+9) /* High byte of DMA address reg */ -#define E33G_DMAAL (EL2H+10) /* Low byte of DMA address reg */ -/* "Vector pointer" - if this address matches a read, the EPROM (rather than - shared RAM) is mapped into memory space. */ -#define E33G_VP2 (EL2H+11) -#define E33G_VP1 (EL2H+12) -#define E33G_VP0 (EL2H+13) -#define E33G_FIFOH (EL2H+14) /* FIFO for programmed I/O moves */ -#define E33G_FIFOL (EL2H+15) /* ... low byte of above. */ - -/* Bits in E33G_CNTRL register: */ - -#define ECNTRL_RESET (0x01) /* Software reset of the ASIC and 8390 */ -#define ECNTRL_THIN (0x02) /* Onboard xcvr enable, AUI disable */ -#define ECNTRL_AUI (0x00) /* Onboard xcvr disable, AUI enable */ -#define ECNTRL_SAPROM (0x04) /* Map the station address prom */ -#define ECNTRL_DBLBFR (0x20) /* FIFO configuration bit */ -#define ECNTRL_OUTPUT (0x40) /* PC-to-3C503 direction if 1 */ -#define ECNTRL_INPUT (0x00) /* 3C503-to-PC direction if 0 */ -#define ECNTRL_START (0x80) /* Start the DMA logic */ - -/* Bits in E33G_STATUS register: */ - -#define ESTAT_DPRDY (0x80) /* Data port (of FIFO) ready */ -#define ESTAT_UFLW (0x40) /* Tried to read FIFO when it was empty */ -#define ESTAT_OFLW (0x20) /* Tried to write FIFO when it was full */ -#define ESTAT_DTC (0x10) /* Terminal Count from PC bus DMA logic */ -#define ESTAT_DIP (0x08) /* DMA In Progress */ - -/* Bits in E33G_GACFR register: */ - -#define EGACFR_NIM (0x80) /* NIC interrupt mask */ -#define EGACFR_TCM (0x40) /* DMA term. count interrupt mask */ -#define EGACFR_RSEL (0x08) /* Map a bank of card mem into system mem */ -#define EGACFR_MBS2 (0x04) /* Memory bank select, bit 2. */ -#define EGACFR_MBS1 (0x02) /* Memory bank select, bit 1. */ -#define EGACFR_MBS0 (0x01) /* Memory bank select, bit 0. */ - -#define EGACFR_NORM (0x49) /* TCM | RSEL | MBS0 */ -#define EGACFR_IRQOFF (0xc9) /* TCM | RSEL | MBS0 | NIM */ - -/* - MBS2 MBS1 MBS0 Sh. mem windows card mem at: - ---- ---- ---- ----------------------------- - 0 0 0 0x0000 -- bank 0 - 0 0 1 0x2000 -- bank 1 (only choice for 8bit card) - 0 1 0 0x4000 -- bank 2, not used - 0 1 1 0x6000 -- bank 3, not used - -There was going to be a 32k card that used bank 2 and 3, but it -never got produced. - -*/ - - -/* End of 3C503 parameter definitions */ diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig index e49a44221800..1b78ca7a9786 100644 --- a/drivers/net/ethernet/8390/Kconfig +++ b/drivers/net/ethernet/8390/Kconfig @@ -21,18 +21,6 @@ config NET_VENDOR_8390 if NET_VENDOR_8390 -config EL2 - tristate "3c503 \"EtherLink II\" support" - depends on ISA - select CRC32 - ---help--- - If you have a network (Ethernet) card of this type, say Y and read - the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - To compile this driver as a module, choose M here. The module - will be called 3c503. - config PCMCIA_AXNET tristate "Asix AX88190 PCMCIA support" depends on PCMCIA @@ -62,42 +50,6 @@ config AX88796_93CX6 ---help--- Select this if your platform comes with an external 93CX6 eeprom. -config E2100 - tristate "Cabletron E21xx support" - depends on ISA - select CRC32 - ---help--- - If you have a network (Ethernet) card of this type, say Y and read - the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - To compile this driver as a module, choose M here. The module - will be called e2100. - -config HPLAN_PLUS - tristate "HP PCLAN+ (27247B and 27252A) support" - depends on ISA - select CRC32 - ---help--- - If you have a network (Ethernet) card of this type, say Y and read - the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - To compile this driver as a module, choose M here. The module - will be called hp-plus. - -config HPLAN - tristate "HP PCLAN (27245 and other 27xxx series) support" - depends on ISA - select CRC32 - ---help--- - If you have a network (Ethernet) card of this type, say Y and read - the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - To compile this driver as a module, choose M here. The module - will be called hp. - config HYDRA tristate "Hydra support" depends on ZORRO diff --git a/drivers/net/ethernet/8390/Makefile b/drivers/net/ethernet/8390/Makefile index e8bb97cd355f..588954a79b2a 100644 --- a/drivers/net/ethernet/8390/Makefile +++ b/drivers/net/ethernet/8390/Makefile @@ -6,10 +6,6 @@ obj-$(CONFIG_MAC8390) += mac8390.o obj-$(CONFIG_APNE) += apne.o 8390.o obj-$(CONFIG_ARM_ETHERH) += etherh.o obj-$(CONFIG_AX88796) += ax88796.o -obj-$(CONFIG_E2100) += e2100.o 8390.o -obj-$(CONFIG_EL2) += 3c503.o 8390p.o -obj-$(CONFIG_HPLAN_PLUS) += hp-plus.o 8390p.o -obj-$(CONFIG_HPLAN) += hp.o 8390p.o obj-$(CONFIG_HYDRA) += hydra.o 8390.o obj-$(CONFIG_MCF8390) += mcf8390.o 8390.o obj-$(CONFIG_NE2000) += ne.o 8390p.o diff --git a/drivers/net/ethernet/8390/e2100.c b/drivers/net/ethernet/8390/e2100.c deleted file mode 100644 index ed55ce85ebbf..000000000000 --- a/drivers/net/ethernet/8390/e2100.c +++ /dev/null @@ -1,489 +0,0 @@ -/* e2100.c: A Cabletron E2100 series ethernet driver for linux. */ -/* - Written 1993-1994 by Donald Becker. - - Copyright 1994 by Donald Becker. - Copyright 1993 United States Government as represented by the - Director, National Security Agency. This software may be used and - distributed according to the terms of the GNU General Public License, - incorporated herein by reference. - - This is a driver for the Cabletron E2100 series ethercards. - - The Author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 410 Severn Ave., Suite 210 - Annapolis MD 21403 - - The E2100 series ethercard is a fairly generic shared memory 8390 - implementation. The only unusual aspect is the way the shared memory - registers are set: first you do an inb() in what is normally the - station address region, and the low three bits of next outb() *address* - is used as the write value for that register. Either someone wasn't - too used to dem bit en bites, or they were trying to obfuscate the - programming interface. - - There is an additional complication when setting the window on the packet - buffer. You must first do a read into the packet buffer region with the - low 8 address bits the address setting the page for the start of the packet - buffer window, and then do the above operation. See mem_on() for details. - - One bug on the chip is that even a hard reset won't disable the memory - window, usually resulting in a hung machine if mem_off() isn't called. - If this happens, you must power down the machine for about 30 seconds. -*/ - -static const char version[] = - "e2100.c:v1.01 7/21/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/delay.h> - -#include <asm/io.h> - -#include "8390.h" - -#define DRV_NAME "e2100" - -static int e21_probe_list[] = {0x300, 0x280, 0x380, 0x220, 0}; - -/* Offsets from the base_addr. - Read from the ASIC register, and the low three bits of the next outb() - address is used to set the corresponding register. */ -#define E21_NIC_OFFSET 0 /* Offset to the 8390 NIC. */ -#define E21_ASIC 0x10 -#define E21_MEM_ENABLE 0x10 -#define E21_MEM_ON 0x05 /* Enable memory in 16 bit mode. */ -#define E21_MEM_ON_8 0x07 /* Enable memory in 8 bit mode. */ -#define E21_MEM_BASE 0x11 -#define E21_IRQ_LOW 0x12 /* The low three bits of the IRQ number. */ -#define E21_IRQ_HIGH 0x14 /* The high IRQ bit and media select ... */ -#define E21_MEDIA 0x14 /* (alias). */ -#define E21_ALT_IFPORT 0x02 /* Set to use the other (BNC,AUI) port. */ -#define E21_BIG_MEM 0x04 /* Use a bigger (64K) buffer (we don't) */ -#define E21_SAPROM 0x10 /* Offset to station address data. */ -#define E21_IO_EXTENT 0x20 - -static inline void mem_on(short port, volatile char __iomem *mem_base, - unsigned char start_page ) -{ - /* This is a little weird: set the shared memory window by doing a - read. The low address bits specify the starting page. */ - readb(mem_base+start_page); - inb(port + E21_MEM_ENABLE); - outb(E21_MEM_ON, port + E21_MEM_ENABLE + E21_MEM_ON); -} - -static inline void mem_off(short port) -{ - inb(port + E21_MEM_ENABLE); - outb(0x00, port + E21_MEM_ENABLE); -} - -/* In other drivers I put the TX pages first, but the E2100 window circuitry - is designed to have a 4K Tx region last. The windowing circuitry wraps the - window at 0x2fff->0x0000 so that the packets at e.g. 0x2f00 in the RX ring - appear contiguously in the window. */ -#define E21_RX_START_PG 0x00 /* First page of RX buffer */ -#define E21_RX_STOP_PG 0x30 /* Last page +1 of RX ring */ -#define E21_BIG_RX_STOP_PG 0xF0 /* Last page +1 of RX ring */ -#define E21_TX_START_PG E21_RX_STOP_PG /* First page of TX buffer */ - -static int e21_probe1(struct net_device *dev, int ioaddr); - -static int e21_open(struct net_device *dev); -static void e21_reset_8390(struct net_device *dev); -static void e21_block_input(struct net_device *dev, int count, - struct sk_buff *skb, int ring_offset); -static void e21_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page); -static void e21_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page); -static int e21_open(struct net_device *dev); -static int e21_close(struct net_device *dev); - - -/* Probe for the E2100 series ethercards. These cards have an 8390 at the - base address and the station address at both offset 0x10 and 0x18. I read - the station address from offset 0x18 to avoid the dataport of NE2000 - ethercards, and look for Ctron's unique ID (first three octets of the - station address). - */ - -static int __init do_e2100_probe(struct net_device *dev) -{ - int *port; - int base_addr = dev->base_addr; - int irq = dev->irq; - - if (base_addr > 0x1ff) /* Check a single specified location. */ - return e21_probe1(dev, base_addr); - else if (base_addr != 0) /* Don't probe at all. */ - return -ENXIO; - - for (port = e21_probe_list; *port; port++) { - dev->irq = irq; - if (e21_probe1(dev, *port) == 0) - return 0; - } - - return -ENODEV; -} - -#ifndef MODULE -struct net_device * __init e2100_probe(int unit) -{ - struct net_device *dev = alloc_ei_netdev(); - int err; - - if (!dev) - return ERR_PTR(-ENOMEM); - - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - - err = do_e2100_probe(dev); - if (err) - goto out; - return dev; -out: - free_netdev(dev); - return ERR_PTR(err); -} -#endif - -static const struct net_device_ops e21_netdev_ops = { - .ndo_open = e21_open, - .ndo_stop = e21_close, - - .ndo_start_xmit = ei_start_xmit, - .ndo_tx_timeout = ei_tx_timeout, - .ndo_get_stats = ei_get_stats, - .ndo_set_rx_mode = 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 e21_probe1(struct net_device *dev, int ioaddr) -{ - int i, status, retval; - unsigned char *station_addr = dev->dev_addr; - static unsigned version_printed; - - if (!request_region(ioaddr, E21_IO_EXTENT, DRV_NAME)) - return -EBUSY; - - /* First check the station address for the Ctron prefix. */ - if (inb(ioaddr + E21_SAPROM + 0) != 0x00 || - inb(ioaddr + E21_SAPROM + 1) != 0x00 || - inb(ioaddr + E21_SAPROM + 2) != 0x1d) { - retval = -ENODEV; - goto out; - } - - /* Verify by making certain that there is a 8390 at there. */ - outb(E8390_NODMA + E8390_STOP, ioaddr); - udelay(1); /* we want to delay one I/O cycle - which is 2MHz */ - status = inb(ioaddr); - if (status != 0x21 && status != 0x23) { - retval = -ENODEV; - goto out; - } - - /* Read the station address PROM. */ - for (i = 0; i < 6; i++) - station_addr[i] = inb(ioaddr + E21_SAPROM + i); - - inb(ioaddr + E21_MEDIA); /* Point to media selection. */ - outb(0, ioaddr + E21_ASIC); /* and disable the secondary interface. */ - - if (ei_debug && version_printed++ == 0) - printk(version); - - for (i = 0; i < 6; i++) - printk(" %02X", station_addr[i]); - - if (dev->irq < 2) { - static const int irqlist[] = {15, 11, 10, 12, 5, 9, 3, 4}; - for (i = 0; i < ARRAY_SIZE(irqlist); i++) - if (request_irq (irqlist[i], NULL, 0, "bogus", NULL) != -EBUSY) { - dev->irq = irqlist[i]; - break; - } - if (i >= ARRAY_SIZE(irqlist)) { - printk(" unable to get IRQ %d.\n", dev->irq); - retval = -EAGAIN; - goto out; - } - } else if (dev->irq == 2) /* Fixup luser bogosity: IRQ2 is really IRQ9 */ - dev->irq = 9; - - /* The 8390 is at the base address. */ - dev->base_addr = ioaddr; - - ei_status.name = "E2100"; - ei_status.word16 = 1; - ei_status.tx_start_page = E21_TX_START_PG; - ei_status.rx_start_page = E21_RX_START_PG; - ei_status.stop_page = E21_RX_STOP_PG; - ei_status.saved_irq = dev->irq; - - /* Check the media port used. The port can be passed in on the - low mem_end bits. */ - if (dev->mem_end & 15) - dev->if_port = dev->mem_end & 7; - else { - dev->if_port = 0; - inb(ioaddr + E21_MEDIA); /* Turn automatic media detection on. */ - for(i = 0; i < 6; i++) - if (station_addr[i] != inb(ioaddr + E21_SAPROM + 8 + i)) { - dev->if_port = 1; - break; - } - } - - /* Never map in the E21 shared memory unless you are actively using it. - Also, the shared memory has effective only one setting -- spread all - over the 128K region! */ - if (dev->mem_start == 0) - dev->mem_start = 0xd0000; - - ei_status.mem = ioremap(dev->mem_start, 2*1024); - if (!ei_status.mem) { - printk("unable to remap memory\n"); - retval = -EAGAIN; - goto out; - } - -#ifdef notdef - /* These values are unused. The E2100 has a 2K window into the packet - buffer. The window can be set to start on any page boundary. */ - ei_status.rmem_start = dev->mem_start + TX_PAGES*256; - dev->mem_end = ei_status.rmem_end = dev->mem_start + 2*1024; -#endif - - printk(", IRQ %d, %s media, memory @ %#lx.\n", dev->irq, - dev->if_port ? "secondary" : "primary", dev->mem_start); - - ei_status.reset_8390 = &e21_reset_8390; - ei_status.block_input = &e21_block_input; - ei_status.block_output = &e21_block_output; - ei_status.get_8390_hdr = &e21_get_8390_hdr; - - dev->netdev_ops = &e21_netdev_ops; - NS8390_init(dev, 0); - - retval = register_netdev(dev); - if (retval) - goto out; - return 0; -out: - release_region(ioaddr, E21_IO_EXTENT); - return retval; -} - -static int -e21_open(struct net_device *dev) -{ - short ioaddr = dev->base_addr; - int retval; - - if ((retval = request_irq(dev->irq, ei_interrupt, 0, dev->name, dev))) - return retval; - - /* Set the interrupt line and memory base on the hardware. */ - inb(ioaddr + E21_IRQ_LOW); - outb(0, ioaddr + E21_ASIC + (dev->irq & 7)); - inb(ioaddr + E21_IRQ_HIGH); /* High IRQ bit, and if_port. */ - outb(0, ioaddr + E21_ASIC + (dev->irq > 7 ? 1:0) - + (dev->if_port ? E21_ALT_IFPORT : 0)); - inb(ioaddr + E21_MEM_BASE); - outb(0, ioaddr + E21_ASIC + ((dev->mem_start >> 17) & 7)); - - ei_open(dev); - return 0; -} - -static void -e21_reset_8390(struct net_device *dev) -{ - short ioaddr = dev->base_addr; - - outb(0x01, ioaddr); - if (ei_debug > 1) printk("resetting the E2180x3 t=%ld...", jiffies); - ei_status.txing = 0; - - /* Set up the ASIC registers, just in case something changed them. */ - - if (ei_debug > 1) printk("reset done\n"); -} - -/* Grab the 8390 specific header. We put the 2k window so the header page - appears at the start of the shared memory. */ - -static void -e21_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) -{ - - short ioaddr = dev->base_addr; - char __iomem *shared_mem = ei_status.mem; - - mem_on(ioaddr, shared_mem, ring_page); - -#ifdef notdef - /* Officially this is what we are doing, but the readl() is faster */ - memcpy_fromio(hdr, shared_mem, sizeof(struct e8390_pkt_hdr)); -#else - ((unsigned int*)hdr)[0] = readl(shared_mem); -#endif - - /* Turn off memory access: we would need to reprogram the window anyway. */ - mem_off(ioaddr); - -} - -/* Block input and output are easy on shared memory ethercards. - The E21xx makes block_input() especially easy by wrapping the top - ring buffer to the bottom automatically. */ -static void -e21_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) -{ - short ioaddr = dev->base_addr; - char __iomem *shared_mem = ei_status.mem; - - mem_on(ioaddr, shared_mem, (ring_offset>>8)); - - memcpy_fromio(skb->data, ei_status.mem + (ring_offset & 0xff), count); - - mem_off(ioaddr); -} - -static void -e21_block_output(struct net_device *dev, int count, const unsigned char *buf, - int start_page) -{ - short ioaddr = dev->base_addr; - volatile char __iomem *shared_mem = ei_status.mem; - - /* Set the shared memory window start by doing a read, with the low address - bits specifying the starting page. */ - readb(shared_mem + start_page); - mem_on(ioaddr, shared_mem, start_page); - - memcpy_toio(shared_mem, buf, count); - mem_off(ioaddr); -} - -static int -e21_close(struct net_device *dev) -{ - short ioaddr = dev->base_addr; - - if (ei_debug > 1) - printk("%s: Shutting down ethercard.\n", dev->name); - - free_irq(dev->irq, dev); - dev->irq = ei_status.saved_irq; - - /* Shut off the interrupt line and secondary interface. */ - inb(ioaddr + E21_IRQ_LOW); - outb(0, ioaddr + E21_ASIC); - inb(ioaddr + E21_IRQ_HIGH); /* High IRQ bit, and if_port. */ - outb(0, ioaddr + E21_ASIC); - - ei_close(dev); - - /* Double-check that the memory has been turned off, because really - really bad things happen if it isn't. */ - mem_off(ioaddr); - - return 0; -} - - -#ifdef MODULE -#define MAX_E21_CARDS 4 /* Max number of E21 cards per module */ -static struct net_device *dev_e21[MAX_E21_CARDS]; -static int io[MAX_E21_CARDS]; -static int irq[MAX_E21_CARDS]; -static int mem[MAX_E21_CARDS]; -static int xcvr[MAX_E21_CARDS]; /* choose int. or ext. xcvr */ - -module_param_array(io, int, NULL, 0); -module_param_array(irq, int, NULL, 0); -module_param_array(mem, int, NULL, 0); -module_param_array(xcvr, int, NULL, 0); -MODULE_PARM_DESC(io, "I/O base address(es)"); -MODULE_PARM_DESC(irq, "IRQ number(s)"); -MODULE_PARM_DESC(mem, " memory base address(es)"); -MODULE_PARM_DESC(xcvr, "transceiver(s) (0=internal, 1=external)"); -MODULE_DESCRIPTION("Cabletron E2100 ISA ethernet driver"); -MODULE_LICENSE("GPL"); - -/* This is set up so that only a single autoprobe takes place per call. -ISA device autoprobes on a running machine are not recommended. */ - -int __init init_module(void) -{ - struct net_device *dev; - int this_dev, found = 0; - - for (this_dev = 0; this_dev < MAX_E21_CARDS; this_dev++) { - if (io[this_dev] == 0) { - if (this_dev != 0) break; /* only autoprobe 1st one */ - printk(KERN_NOTICE "e2100.c: Presently autoprobing (not recommended) for a single card.\n"); - } - dev = alloc_ei_netdev(); - if (!dev) - break; - dev->irq = irq[this_dev]; - dev->base_addr = io[this_dev]; - dev->mem_start = mem[this_dev]; - dev->mem_end = xcvr[this_dev]; /* low 4bits = xcvr sel. */ - if (do_e2100_probe(dev) == 0) { - dev_e21[found++] = dev; - continue; - } - free_netdev(dev); - printk(KERN_WARNING "e2100.c: No E2100 card found (i/o = 0x%x).\n", io[this_dev]); - break; - } - if (found) - return 0; - return -ENXIO; -} - -static void cleanup_card(struct net_device *dev) -{ - /* NB: e21_close() handles free_irq */ - iounmap(ei_status.mem); - release_region(dev->base_addr, E21_IO_EXTENT); -} - -void __exit -cleanup_module(void) -{ - int this_dev; - - for (this_dev = 0; this_dev < MAX_E21_CARDS; this_dev++) { - struct net_device *dev = dev_e21[this_dev]; - if (dev) { - unregister_netdev(dev); - cleanup_card(dev); - free_netdev(dev); - } - } -} -#endif /* MODULE */ diff --git a/drivers/net/ethernet/8390/hp-plus.c b/drivers/net/ethernet/8390/hp-plus.c deleted file mode 100644 index 52f70f999c00..000000000000 --- a/drivers/net/ethernet/8390/hp-plus.c +++ /dev/null @@ -1,505 +0,0 @@ -/* hp-plus.c: A HP PCLAN/plus ethernet driver for linux. */ -/* - Written 1994 by Donald Becker. - - This driver is for the Hewlett Packard PC LAN (27***) plus ethercards. - These cards are sold under several model numbers, usually 2724*. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 410 Severn Ave., Suite 210 - Annapolis MD 21403 - - As is often the case, a great deal of credit is owed to Russ Nelson. - The Crynwr packet driver was my primary source of HP-specific - programming information. -*/ - -static const char version[] = -"hp-plus.c:v1.10 9/24/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; - -#include <linux/module.h> - -#include <linux/string.h> /* Important -- this inlines word moves. */ -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/delay.h> - -#include <asm/io.h> - -#include "8390.h" - -#define DRV_NAME "hp-plus" - -/* A zero-terminated list of I/O addresses to be probed. */ -static unsigned int hpplus_portlist[] __initdata = -{0x200, 0x240, 0x280, 0x2C0, 0x300, 0x320, 0x340, 0}; - -/* - The HP EtherTwist chip implementation is a fairly routine DP8390 - implementation. It allows both shared memory and programmed-I/O buffer - access, using a custom interface for both. The programmed-I/O mode is - entirely implemented in the HP EtherTwist chip, bypassing the problem - ridden built-in 8390 facilities used on NE2000 designs. The shared - memory mode is likewise special, with an offset register used to make - packets appear at the shared memory base. Both modes use a base and bounds - page register to hide the Rx ring buffer wrap -- a packet that spans the - end of physical buffer memory appears continuous to the driver. (c.f. the - 3c503 and Cabletron E2100) - - A special note: the internal buffer of the board is only 8 bits wide. - This lays several nasty traps for the unaware: - - the 8390 must be programmed for byte-wide operations - - all I/O and memory operations must work on whole words (the access - latches are serially preloaded and have no byte-swapping ability). - - This board is laid out in I/O space much like the earlier HP boards: - the first 16 locations are for the board registers, and the second 16 are - for the 8390. The board is easy to identify, with both a dedicated 16 bit - ID register and a constant 0x530* value in the upper bits of the paging - register. -*/ - -#define HP_ID 0x00 /* ID register, always 0x4850. */ -#define HP_PAGING 0x02 /* Registers visible @ 8-f, see PageName. */ -#define HPP_OPTION 0x04 /* Bitmapped options, see HP_Option. */ -#define HPP_OUT_ADDR 0x08 /* I/O output location in Perf_Page. */ -#define HPP_IN_ADDR 0x0A /* I/O input location in Perf_Page. */ -#define HP_DATAPORT 0x0c /* I/O data transfer in Perf_Page. */ -#define NIC_OFFSET 0x10 /* Offset to the 8390 registers. */ -#define HP_IO_EXTENT 32 - -#define HP_START_PG 0x00 /* First page of TX buffer */ -#define HP_STOP_PG 0x80 /* Last page +1 of RX ring */ - -/* The register set selected in HP_PAGING. */ -enum PageName { - Perf_Page = 0, /* Normal operation. */ - MAC_Page = 1, /* The ethernet address (+checksum). */ - HW_Page = 2, /* EEPROM-loaded hardware parameters. */ - LAN_Page = 4, /* Transceiver selection, testing, etc. */ - ID_Page = 6 }; - -/* The bit definitions for the HPP_OPTION register. */ -enum HP_Option { - NICReset = 1, ChipReset = 2, /* Active low, really UNreset. */ - EnableIRQ = 4, FakeIntr = 8, BootROMEnb = 0x10, IOEnb = 0x20, - MemEnable = 0x40, ZeroWait = 0x80, MemDisable = 0x1000, }; - -static int hpp_probe1(struct net_device *dev, int ioaddr); - -static void hpp_reset_8390(struct net_device *dev); -static int hpp_open(struct net_device *dev); -static int hpp_close(struct net_device *dev); -static void hpp_mem_block_input(struct net_device *dev, int count, - struct sk_buff *skb, int ring_offset); -static void hpp_mem_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page); -static void hpp_mem_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page); -static void hpp_io_block_input(struct net_device *dev, int count, - struct sk_buff *skb, int ring_offset); -static void hpp_io_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page); -static void hpp_io_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page); - - -/* Probe a list of addresses for an HP LAN+ adaptor. - This routine is almost boilerplate. */ - -static int __init do_hpp_probe(struct net_device *dev) -{ - int i; - int base_addr = dev->base_addr; - int irq = dev->irq; - - if (base_addr > 0x1ff) /* Check a single specified location. */ - return hpp_probe1(dev, base_addr); - else if (base_addr != 0) /* Don't probe at all. */ - return -ENXIO; - - for (i = 0; hpplus_portlist[i]; i++) { - if (hpp_probe1(dev, hpplus_portlist[i]) == 0) - return 0; - dev->irq = irq; - } - - return -ENODEV; -} - -#ifndef MODULE -struct net_device * __init hp_plus_probe(int unit) -{ - struct net_device *dev = alloc_eip_netdev(); - int err; - - if (!dev) - return ERR_PTR(-ENOMEM); - - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - - err = do_hpp_probe(dev); - if (err) - goto out; - return dev; -out: - free_netdev(dev); - return ERR_PTR(err); -} -#endif - -static const struct net_device_ops hpp_netdev_ops = { - .ndo_open = hpp_open, - .ndo_stop = hpp_close, - .ndo_start_xmit = eip_start_xmit, - .ndo_tx_timeout = eip_tx_timeout, - .ndo_get_stats = eip_get_stats, - .ndo_set_rx_mode = eip_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 = eip_poll, -#endif -}; - - -/* Do the interesting part of the probe at a single address. */ -static int __init hpp_probe1(struct net_device *dev, int ioaddr) -{ - int i, retval; - unsigned char checksum = 0; - const char name[] = "HP-PC-LAN+"; - int mem_start; - static unsigned version_printed; - - if (!request_region(ioaddr, HP_IO_EXTENT, DRV_NAME)) - return -EBUSY; - - /* Check for the HP+ signature, 50 48 0x 53. */ - if (inw(ioaddr + HP_ID) != 0x4850 || - (inw(ioaddr + HP_PAGING) & 0xfff0) != 0x5300) { - retval = -ENODEV; - goto out; - } - - if (ei_debug && version_printed++ == 0) - printk(version); - - printk("%s: %s at %#3x, ", dev->name, name, ioaddr); - - /* Retrieve and checksum the station address. */ - outw(MAC_Page, ioaddr + HP_PAGING); - - for(i = 0; i < ETH_ALEN; i++) { - unsigned char inval = inb(ioaddr + 8 + i); - dev->dev_addr[i] = inval; - checksum += inval; - } - checksum += inb(ioaddr + 14); - - printk("%pM", dev->dev_addr); - - if (checksum != 0xff) { - printk(" bad checksum %2.2x.\n", checksum); - retval = -ENODEV; - goto out; - } else { - /* Point at the Software Configuration Flags. */ - outw(ID_Page, ioaddr + HP_PAGING); - printk(" ID %4.4x", inw(ioaddr + 12)); - } - - /* Read the IRQ line. */ - outw(HW_Page, ioaddr + HP_PAGING); - { - int irq = inb(ioaddr + 13) & 0x0f; - int option = inw(ioaddr + HPP_OPTION); - - dev->irq = irq; - if (option & MemEnable) { - mem_start = inw(ioaddr + 9) << 8; - printk(", IRQ %d, memory address %#x.\n", irq, mem_start); - } else { - mem_start = 0; - printk(", IRQ %d, programmed-I/O mode.\n", irq); - } - } - - /* Set the wrap registers for string I/O reads. */ - outw((HP_START_PG + TX_PAGES/2) | ((HP_STOP_PG - 1) << 8), ioaddr + 14); - - /* Set the base address to point to the NIC, not the "real" base! */ - dev->base_addr = ioaddr + NIC_OFFSET; - - dev->netdev_ops = &hpp_netdev_ops; - - ei_status.name = name; - ei_status.word16 = 0; /* Agggghhhhh! Debug time: 2 days! */ - ei_status.tx_start_page = HP_START_PG; - ei_status.rx_start_page = HP_START_PG + TX_PAGES/2; - ei_status.stop_page = HP_STOP_PG; - - ei_status.reset_8390 = &hpp_reset_8390; - ei_status.block_input = &hpp_io_block_input; - ei_status.block_output = &hpp_io_block_output; - ei_status.get_8390_hdr = &hpp_io_get_8390_hdr; - - /* Check if the memory_enable flag is set in the option register. */ - if (mem_start) { - ei_status.block_input = &hpp_mem_block_input; - ei_status.block_output = &hpp_mem_block_output; - ei_status.get_8390_hdr = &hpp_mem_get_8390_hdr; - dev->mem_start = mem_start; - ei_status.mem = ioremap(mem_start, - (HP_STOP_PG - HP_START_PG)*256); - if (!ei_status.mem) { - retval = -ENOMEM; - goto out; - } - ei_status.rmem_start = dev->mem_start + TX_PAGES/2*256; - dev->mem_end = ei_status.rmem_end - = dev->mem_start + (HP_STOP_PG - HP_START_PG)*256; - } - - outw(Perf_Page, ioaddr + HP_PAGING); - NS8390p_init(dev, 0); - /* Leave the 8390 and HP chip reset. */ - outw(inw(ioaddr + HPP_OPTION) & ~EnableIRQ, ioaddr + HPP_OPTION); - - retval = register_netdev(dev); - if (retval) - goto out1; - return 0; -out1: - iounmap(ei_status.mem); -out: - release_region(ioaddr, HP_IO_EXTENT); - return retval; -} - -static int -hpp_open(struct net_device *dev) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - int option_reg; - int retval; - - if ((retval = request_irq(dev->irq, eip_interrupt, 0, dev->name, dev))) { - return retval; - } - - /* Reset the 8390 and HP chip. */ - option_reg = inw(ioaddr + HPP_OPTION); - outw(option_reg & ~(NICReset + ChipReset), ioaddr + HPP_OPTION); - udelay(5); - /* Unreset the board and enable interrupts. */ - outw(option_reg | (EnableIRQ + NICReset + ChipReset), ioaddr + HPP_OPTION); - - /* Set the wrap registers for programmed-I/O operation. */ - outw(HW_Page, ioaddr + HP_PAGING); - outw((HP_START_PG + TX_PAGES/2) | ((HP_STOP_PG - 1) << 8), ioaddr + 14); - - /* Select the operational page. */ - outw(Perf_Page, ioaddr + HP_PAGING); - - return eip_open(dev); -} - -static int -hpp_close(struct net_device *dev) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - int option_reg = inw(ioaddr + HPP_OPTION); - - free_irq(dev->irq, dev); - eip_close(dev); - outw((option_reg & ~EnableIRQ) | MemDisable | NICReset | ChipReset, - ioaddr + HPP_OPTION); - - return 0; -} - -static void -hpp_reset_8390(struct net_device *dev) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - int option_reg = inw(ioaddr + HPP_OPTION); - - if (ei_debug > 1) printk("resetting the 8390 time=%ld...", jiffies); - - outw(option_reg & ~(NICReset + ChipReset), ioaddr + HPP_OPTION); - /* Pause a few cycles for the hardware reset to take place. */ - udelay(5); - ei_status.txing = 0; - outw(option_reg | (EnableIRQ + NICReset + ChipReset), ioaddr + HPP_OPTION); - - udelay(5); - - - if ((inb_p(ioaddr+NIC_OFFSET+EN0_ISR) & ENISR_RESET) == 0) - printk("%s: hp_reset_8390() did not complete.\n", dev->name); - - if (ei_debug > 1) printk("8390 reset done (%ld).", jiffies); -} - -/* The programmed-I/O version of reading the 4 byte 8390 specific header. - Note that transfer with the EtherTwist+ must be on word boundaries. */ - -static void -hpp_io_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - - outw((ring_page<<8), ioaddr + HPP_IN_ADDR); - insw(ioaddr + HP_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1); -} - -/* Block input and output, similar to the Crynwr packet driver. */ - -static void -hpp_io_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - char *buf = skb->data; - - outw(ring_offset, ioaddr + HPP_IN_ADDR); - insw(ioaddr + HP_DATAPORT, buf, count>>1); - if (count & 0x01) - buf[count-1] = inw(ioaddr + HP_DATAPORT); -} - -/* The corresponding shared memory versions of the above 2 functions. */ - -static void -hpp_mem_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - int option_reg = inw(ioaddr + HPP_OPTION); - - outw((ring_page<<8), ioaddr + HPP_IN_ADDR); - outw(option_reg & ~(MemDisable + BootROMEnb), ioaddr + HPP_OPTION); - memcpy_fromio(hdr, ei_status.mem, sizeof(struct e8390_pkt_hdr)); - outw(option_reg, ioaddr + HPP_OPTION); - hdr->count = (le16_to_cpu(hdr->count) + 3) & ~3; /* Round up allocation. */ -} - -static void -hpp_mem_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - int option_reg = inw(ioaddr + HPP_OPTION); - - outw(ring_offset, ioaddr + HPP_IN_ADDR); - - outw(option_reg & ~(MemDisable + BootROMEnb), ioaddr + HPP_OPTION); - - /* Caution: this relies on get_8390_hdr() rounding up count! - Also note that we *can't* use eth_io_copy_and_sum() because - it will not always copy "count" bytes (e.g. padded IP). */ - - memcpy_fromio(skb->data, ei_status.mem, count); - outw(option_reg, ioaddr + HPP_OPTION); -} - -/* A special note: we *must* always transfer >=16 bit words. - It's always safe to round up, so we do. */ -static void -hpp_io_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - outw(start_page << 8, ioaddr + HPP_OUT_ADDR); - outsl(ioaddr + HP_DATAPORT, buf, (count+3)>>2); -} - -static void -hpp_mem_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page) -{ - int ioaddr = dev->base_addr - NIC_OFFSET; - int option_reg = inw(ioaddr + HPP_OPTION); - - outw(start_page << 8, ioaddr + HPP_OUT_ADDR); - outw(option_reg & ~(MemDisable + BootROMEnb), ioaddr + HPP_OPTION); - memcpy_toio(ei_status.mem, buf, (count + 3) & ~3); - outw(option_reg, ioaddr + HPP_OPTION); -} - - -#ifdef MODULE -#define MAX_HPP_CARDS 4 /* Max number of HPP cards per module */ -static struct net_device *dev_hpp[MAX_HPP_CARDS]; -static int io[MAX_HPP_CARDS]; -static int irq[MAX_HPP_CARDS]; - -module_param_array(io, int, NULL, 0); -module_param_array(irq, int, NULL, 0); -MODULE_PARM_DESC(io, "I/O port address(es)"); -MODULE_PARM_DESC(irq, "IRQ number(s); ignored if properly detected"); -MODULE_DESCRIPTION("HP PC-LAN+ ISA ethernet driver"); -MODULE_LICENSE("GPL"); - -/* This is set up so that only a single autoprobe takes place per call. -ISA device autoprobes on a running machine are not recommended. */ -int __init -init_module(void) -{ - struct net_device *dev; - int this_dev, found = 0; - - for (this_dev = 0; this_dev < MAX_HPP_CARDS; this_dev++) { - if (io[this_dev] == 0) { - if (this_dev != 0) break; /* only autoprobe 1st one */ - printk(KERN_NOTICE "hp-plus.c: Presently autoprobing (not recommended) for a single card.\n"); - } - dev = alloc_eip_netdev(); - if (!dev) - break; - dev->irq = irq[this_dev]; - dev->base_addr = io[this_dev]; - if (do_hpp_probe(dev) == 0) { - dev_hpp[found++] = dev; - continue; - } - free_netdev(dev); - printk(KERN_WARNING "hp-plus.c: No HP-Plus card found (i/o = 0x%x).\n", io[this_dev]); - break; - } - if (found) - return 0; - return -ENXIO; -} - -static void cleanup_card(struct net_device *dev) -{ - /* NB: hpp_close() handles free_irq */ - iounmap(ei_status.mem); - release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); -} - -void __exit -cleanup_module(void) -{ - int this_dev; - - for (this_dev = 0; this_dev < MAX_HPP_CARDS; this_dev++) { - struct net_device *dev = dev_hpp[this_dev]; - if (dev) { - unregister_netdev(dev); - cleanup_card(dev); - free_netdev(dev); - } - } -} -#endif /* MODULE */ diff --git a/drivers/net/ethernet/8390/hp.c b/drivers/net/ethernet/8390/hp.c deleted file mode 100644 index 37fa89aa4578..000000000000 --- a/drivers/net/ethernet/8390/hp.c +++ /dev/null @@ -1,438 +0,0 @@ -/* hp.c: A HP LAN ethernet driver for linux. */ -/* - Written 1993-94 by Donald Becker. - - Copyright 1993 United States Government as represented by the - Director, National Security Agency. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as becker@scyld.com, or C/O - Scyld Computing Corporation - 410 Severn Ave., Suite 210 - Annapolis MD 21403 - - This is a driver for the HP PC-LAN adaptors. - - Sources: - The Crynwr packet driver. -*/ - -static const char version[] = - "hp.c:v1.10 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; - - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/delay.h> - -#include <asm/io.h> - -#include "8390.h" - -#define DRV_NAME "hp" - -/* A zero-terminated list of I/O addresses to be probed. */ -static unsigned int hppclan_portlist[] __initdata = -{ 0x300, 0x320, 0x340, 0x280, 0x2C0, 0x200, 0x240, 0}; - -#define HP_IO_EXTENT 32 - -#define HP_DATAPORT 0x0c /* "Remote DMA" data port. */ -#define HP_ID 0x07 -#define HP_CONFIGURE 0x08 /* Configuration register. */ -#define HP_RUN 0x01 /* 1 == Run, 0 == reset. */ -#define HP_IRQ 0x0E /* Mask for software-configured IRQ line. */ -#define HP_DATAON 0x10 /* Turn on dataport */ -#define NIC_OFFSET 0x10 /* Offset the 8390 registers. */ - -#define HP_START_PG 0x00 /* First page of TX buffer */ -#define HP_8BSTOP_PG 0x80 /* Last page +1 of RX ring */ -#define HP_16BSTOP_PG 0xFF /* Same, for 16 bit cards. */ - -static int hp_probe1(struct net_device *dev, int ioaddr); - -static void hp_reset_8390(struct net_device *dev); -static void hp_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page); -static void hp_block_input(struct net_device *dev, int count, - struct sk_buff *skb , int ring_offset); -static void hp_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page); - -static void hp_init_card(struct net_device *dev); - -/* The map from IRQ number to HP_CONFIGURE register setting. */ -/* My default is IRQ5 0 1 2 3 4 5 6 7 8 9 10 11 */ -static char irqmap[16] __initdata= { 0, 0, 4, 6, 8,10, 0,14, 0, 4, 2,12,0,0,0,0}; - - -/* Probe for an HP LAN adaptor. - Also initialize the card and fill in STATION_ADDR with the station - address. */ - -static int __init do_hp_probe(struct net_device *dev) -{ - int i; - int base_addr = dev->base_addr; - int irq = dev->irq; - - if (base_addr > 0x1ff) /* Check a single specified location. */ - return hp_probe1(dev, base_addr); - else if (base_addr != 0) /* Don't probe at all. */ - return -ENXIO; - - for (i = 0; hppclan_portlist[i]; i++) { - if (hp_probe1(dev, hppclan_portlist[i]) == 0) - return 0; - dev->irq = irq; - } - - return -ENODEV; -} - -#ifndef MODULE -struct net_device * __init hp_probe(int unit) -{ - struct net_device *dev = alloc_eip_netdev(); - int err; - - if (!dev) - return ERR_PTR(-ENOMEM); - - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - - err = do_hp_probe(dev); - if (err) - goto out; - return dev; -out: - free_netdev(dev); - return ERR_PTR(err); -} -#endif - -static int __init hp_probe1(struct net_device *dev, int ioaddr) -{ - int i, retval, board_id, wordmode; - const char *name; - static unsigned version_printed; - - if (!request_region(ioaddr, HP_IO_EXTENT, DRV_NAME)) - return -EBUSY; - - /* Check for the HP physical address, 08 00 09 xx xx xx. */ - /* This really isn't good enough: we may pick up HP LANCE boards - also! Avoid the lance 0x5757 signature. */ - if (inb(ioaddr) != 0x08 - || inb(ioaddr+1) != 0x00 - || inb(ioaddr+2) != 0x09 - || inb(ioaddr+14) == 0x57) { - retval = -ENODEV; - goto out; - } - - /* Set up the parameters based on the board ID. - If you have additional mappings, please mail them to me -djb. */ - if ((board_id = inb(ioaddr + HP_ID)) & 0x80) { - name = "HP27247"; - wordmode = 1; - } else { - name = "HP27250"; - wordmode = 0; - } - - if (ei_debug && version_printed++ == 0) - printk(version); - - printk("%s: %s (ID %02x) at %#3x,", dev->name, name, board_id, ioaddr); - - for(i = 0; i < ETH_ALEN; i++) - dev->dev_addr[i] = inb(ioaddr + i); - - printk(" %pM", dev->dev_addr); - - /* Snarf the interrupt now. Someday this could be moved to open(). */ - if (dev->irq < 2) { - static const int irq_16list[] = { 11, 10, 5, 3, 4, 7, 9, 0}; - static const int irq_8list[] = { 7, 5, 3, 4, 9, 0}; - const int *irqp = wordmode ? irq_16list : irq_8list; - do { - int irq = *irqp; - if (request_irq (irq, NULL, 0, "bogus", NULL) != -EBUSY) { - unsigned long cookie = probe_irq_on(); - /* Twinkle the interrupt, and check if it's seen. */ - outb_p(irqmap[irq] | HP_RUN, ioaddr + HP_CONFIGURE); - outb_p( 0x00 | HP_RUN, ioaddr + HP_CONFIGURE); - if (irq == probe_irq_off(cookie) /* It's a good IRQ line! */ - && request_irq (irq, eip_interrupt, 0, DRV_NAME, dev) == 0) { - printk(" selecting IRQ %d.\n", irq); - dev->irq = *irqp; - break; - } - } - } while (*++irqp); - if (*irqp == 0) { - printk(" no free IRQ lines.\n"); - retval = -EBUSY; - goto out; - } - } else { - if (dev->irq == 2) - dev->irq = 9; - if ((retval = request_irq(dev->irq, eip_interrupt, 0, DRV_NAME, dev))) { - printk (" unable to get IRQ %d.\n", dev->irq); - goto out; - } - } - - /* Set the base address to point to the NIC, not the "real" base! */ - dev->base_addr = ioaddr + NIC_OFFSET; - dev->netdev_ops = &eip_netdev_ops; - - ei_status.name = name; - ei_status.word16 = wordmode; - ei_status.tx_start_page = HP_START_PG; - ei_status.rx_start_page = HP_START_PG + TX_PAGES; - ei_status.stop_page = wordmode ? HP_16BSTOP_PG : HP_8BSTOP_PG; - - ei_status.reset_8390 = hp_reset_8390; - ei_status.get_8390_hdr = hp_get_8390_hdr; - ei_status.block_input = hp_block_input; - ei_status.block_output = hp_block_output; - hp_init_card(dev); - - retval = register_netdev(dev); - if (retval) - goto out1; - return 0; -out1: - free_irq(dev->irq, dev); -out: - release_region(ioaddr, HP_IO_EXTENT); - return retval; -} - -static void -hp_reset_8390(struct net_device *dev) -{ - int hp_base = dev->base_addr - NIC_OFFSET; - int saved_config = inb_p(hp_base + HP_CONFIGURE); - - if (ei_debug > 1) printk("resetting the 8390 time=%ld...", jiffies); - outb_p(0x00, hp_base + HP_CONFIGURE); - ei_status.txing = 0; - /* Pause just a few cycles for the hardware reset to take place. */ - udelay(5); - - outb_p(saved_config, hp_base + HP_CONFIGURE); - udelay(5); - - if ((inb_p(hp_base+NIC_OFFSET+EN0_ISR) & ENISR_RESET) == 0) - printk("%s: hp_reset_8390() did not complete.\n", dev->name); - - if (ei_debug > 1) printk("8390 reset done (%ld).", jiffies); -} - -static void -hp_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) -{ - int nic_base = dev->base_addr; - int saved_config = inb_p(nic_base - NIC_OFFSET + HP_CONFIGURE); - - outb_p(saved_config | HP_DATAON, nic_base - NIC_OFFSET + HP_CONFIGURE); - outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base); - outb_p(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO); - outb_p(0, nic_base + EN0_RCNTHI); - outb_p(0, nic_base + EN0_RSARLO); /* On page boundary */ - outb_p(ring_page, nic_base + EN0_RSARHI); - outb_p(E8390_RREAD+E8390_START, nic_base); - - if (ei_status.word16) - insw(nic_base - NIC_OFFSET + HP_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1); - else - insb(nic_base - NIC_OFFSET + HP_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)); - - outb_p(saved_config & (~HP_DATAON), nic_base - NIC_OFFSET + HP_CONFIGURE); -} - -/* 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 HP LAN doesn't use shared memory -- we put the packet - out through the "remote DMA" dataport. */ - -static void -hp_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) -{ - int nic_base = dev->base_addr; - int saved_config = inb_p(nic_base - NIC_OFFSET + HP_CONFIGURE); - int xfer_count = count; - char *buf = skb->data; - - outb_p(saved_config | HP_DATAON, nic_base - NIC_OFFSET + HP_CONFIGURE); - outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base); - outb_p(count & 0xff, nic_base + EN0_RCNTLO); - outb_p(count >> 8, nic_base + EN0_RCNTHI); - outb_p(ring_offset & 0xff, nic_base + EN0_RSARLO); - outb_p(ring_offset >> 8, nic_base + EN0_RSARHI); - outb_p(E8390_RREAD+E8390_START, nic_base); - if (ei_status.word16) { - insw(nic_base - NIC_OFFSET + HP_DATAPORT,buf,count>>1); - if (count & 0x01) - buf[count-1] = inb(nic_base - NIC_OFFSET + HP_DATAPORT), xfer_count++; - } else { - insb(nic_base - NIC_OFFSET + HP_DATAPORT, buf, count); - } - /* This is for the ALPHA version only, remove for later releases. */ - if (ei_debug > 0) { /* DMA termination address check... */ - int high = inb_p(nic_base + EN0_RSARHI); - int low = inb_p(nic_base + EN0_RSARLO); - int addr = (high << 8) + low; - /* Check only the lower 8 bits so we can ignore ring wrap. */ - if (((ring_offset + xfer_count) & 0xff) != (addr & 0xff)) - printk("%s: RX transfer address mismatch, %#4.4x vs. %#4.4x (actual).\n", - dev->name, ring_offset + xfer_count, addr); - } - outb_p(saved_config & (~HP_DATAON), nic_base - NIC_OFFSET + HP_CONFIGURE); -} - -static void -hp_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page) -{ - int nic_base = dev->base_addr; - int saved_config = inb_p(nic_base - NIC_OFFSET + HP_CONFIGURE); - - outb_p(saved_config | HP_DATAON, nic_base - NIC_OFFSET + HP_CONFIGURE); - /* 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 (ei_status.word16 && (count & 0x01)) - count++; - /* We should already be in page 0, but to be safe... */ - outb_p(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base); - -#ifdef NE8390_RW_BUGFIX - /* Handle the read-before-write bug the same way as the - Crynwr packet driver -- the NatSemi method doesn't work. */ - outb_p(0x42, nic_base + EN0_RCNTLO); - outb_p(0, nic_base + EN0_RCNTHI); - outb_p(0xff, nic_base + EN0_RSARLO); - outb_p(0x00, nic_base + EN0_RSARHI); -#define NE_CMD 0x00 - outb_p(E8390_RREAD+E8390_START, nic_base + NE_CMD); - /* Make certain that the dummy read has occurred. */ - inb_p(0x61); - inb_p(0x61); -#endif - - outb_p(count & 0xff, nic_base + EN0_RCNTLO); - outb_p(count >> 8, nic_base + EN0_RCNTHI); - outb_p(0x00, nic_base + EN0_RSARLO); - outb_p(start_page, nic_base + EN0_RSARHI); - - outb_p(E8390_RWRITE+E8390_START, nic_base); - if (ei_status.word16) { - /* Use the 'rep' sequence for 16 bit boards. */ - outsw(nic_base - NIC_OFFSET + HP_DATAPORT, buf, count>>1); - } else { - outsb(nic_base - NIC_OFFSET + HP_DATAPORT, buf, count); - } - - /* DON'T check for 'inb_p(EN0_ISR) & ENISR_RDC' here -- it's broken! */ - - /* This is for the ALPHA version only, remove for later releases. */ - if (ei_debug > 0) { /* DMA termination address check... */ - int high = inb_p(nic_base + EN0_RSARHI); - int low = inb_p(nic_base + EN0_RSARLO); - int addr = (high << 8) + low; - if ((start_page << 8) + count != addr) - printk("%s: TX Transfer address mismatch, %#4.4x vs. %#4.4x.\n", - dev->name, (start_page << 8) + count, addr); - } - outb_p(saved_config & (~HP_DATAON), nic_base - NIC_OFFSET + HP_CONFIGURE); -} - -/* This function resets the ethercard if something screws up. */ -static void __init -hp_init_card(struct net_device *dev) -{ - int irq = dev->irq; - NS8390p_init(dev, 0); - outb_p(irqmap[irq&0x0f] | HP_RUN, - dev->base_addr - NIC_OFFSET + HP_CONFIGURE); -} - -#ifdef MODULE -#define MAX_HP_CARDS 4 /* Max number of HP cards per module */ -static struct net_device *dev_hp[MAX_HP_CARDS]; -static int io[MAX_HP_CARDS]; -static int irq[MAX_HP_CARDS]; - -module_param_array(io, int, NULL, 0); -module_param_array(irq, int, NULL, 0); -MODULE_PARM_DESC(io, "I/O base address(es)"); -MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)"); -MODULE_DESCRIPTION("HP PC-LAN ISA ethernet driver"); -MODULE_LICENSE("GPL"); - -/* This is set up so that only a single autoprobe takes place per call. -ISA device autoprobes on a running machine are not recommended. */ -int __init -init_module(void) -{ - struct net_device *dev; - int this_dev, found = 0; - - for (this_dev = 0; this_dev < MAX_HP_CARDS; this_dev++) { - if (io[this_dev] == 0) { - if (this_dev != 0) break; /* only autoprobe 1st one */ - printk(KERN_NOTICE "hp.c: Presently autoprobing (not recommended) for a single card.\n"); - } - dev = alloc_eip_netdev(); - if (!dev) - break; - dev->irq = irq[this_dev]; - dev->base_addr = io[this_dev]; - if (do_hp_probe(dev) == 0) { - dev_hp[found++] = dev; - continue; - } - free_netdev(dev); - printk(KERN_WARNING "hp.c: No HP card found (i/o = 0x%x).\n", io[this_dev]); - break; - } - if (found) - return 0; - return -ENXIO; -} - -static void cleanup_card(struct net_device *dev) -{ - free_irq(dev->irq, dev); - release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT); -} - -void __exit -cleanup_module(void) -{ - int this_dev; - - for (this_dev = 0; this_dev < MAX_HP_CARDS; this_dev++) { - struct net_device *dev = dev_hp[this_dev]; - if (dev) { - unregister_netdev(dev); - cleanup_card(dev); - free_netdev(dev); - } - } -} -#endif /* MODULE */ |