diff options
Diffstat (limited to 'drivers/net/ethernet/8390/es3210.c')
| -rw-r--r-- | drivers/net/ethernet/8390/es3210.c | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/drivers/net/ethernet/8390/es3210.c b/drivers/net/ethernet/8390/es3210.c deleted file mode 100644 index ba1b5c95531f..000000000000 --- a/drivers/net/ethernet/8390/es3210.c +++ /dev/null @@ -1,445 +0,0 @@ -/* - es3210.c - - Linux driver for Racal-Interlan ES3210 EISA Network Adapter - - Copyright (C) 1996, Paul Gortmaker. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - Information and Code Sources: - - 1) The existing myriad of Linux 8390 drivers written by Donald Becker. - - 2) Once again Russ Nelson's asm packet driver provided additional info. - - 3) Info for getting IRQ and sh-mem gleaned from the EISA cfg files. - Too bad it doesn't work -- see below. - - The ES3210 is an EISA shared memory NS8390 implementation. Note - that all memory copies to/from the board must be 32bit transfers. - Which rules out using eth_io_copy_and_sum() in this driver. - - Apparently there are two slightly different revisions of the - card, since there are two distinct EISA cfg files (!rii0101.cfg - and !rii0102.cfg) One has media select in the cfg file and the - other doesn't. Hopefully this will work with either. - - That is about all I can tell you about it, having never actually - even seen one of these cards. :) Try http://www.interlan.com - if you want more info. - - Thanks go to Mark Salazar for testing v0.02 of this driver. - - Bugs, to-fix, etc: - - 1) The EISA cfg ports that are *supposed* to have the IRQ and shared - mem values just read 0xff all the time. Hrrmpf. Apparently the - same happens with the packet driver as the code for reading - these registers is disabled there. In the meantime, boot with: - ether=<IRQ>,0,0x<shared_mem_addr>,eth0 to override the IRQ and - shared memory detection. (The i/o port detection is okay.) - - 2) Module support currently untested. Probably works though. - -*/ - -static const char version[] = - "es3210.c: Driver revision v0.03, 14/09/96\n"; - -#include <linux/module.h> -#include <linux/eisa.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> - -#include <asm/io.h> - -#include "8390.h" - -static int es_probe1(struct net_device *dev, int ioaddr); - -static void es_reset_8390(struct net_device *dev); - -static void es_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page); -static void es_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset); -static void es_block_output(struct net_device *dev, int count, const unsigned char *buf, int start_page); - -#define ES_START_PG 0x00 /* First page of TX buffer */ -#define ES_STOP_PG 0x40 /* Last page +1 of RX ring */ - -#define ES_IO_EXTENT 0x37 /* The cfg file says 0xc90 -> 0xcc7 */ -#define ES_ID_PORT 0xc80 /* Same for all EISA cards */ -#define ES_SA_PROM 0xc90 /* Start of e'net addr. */ -#define ES_RESET_PORT 0xc84 /* From the packet driver source */ -#define ES_NIC_OFFSET 0xca0 /* Hello, the 8390 is *here* */ - -#define ES_ADDR0 0x02 /* 3 byte vendor prefix */ -#define ES_ADDR1 0x07 -#define ES_ADDR2 0x01 - -/* - * Two card revisions. EISA ID's are always rev. minor, rev. major,, and - * then the three vendor letters stored in 5 bits each, with an "a" = 1. - * For eg: "rii" = 10010 01001 01001 = 0x4929, which is how the EISA - * config utility determines automagically what config file(s) to use. - */ -#define ES_EISA_ID1 0x01012949 /* !rii0101.cfg */ -#define ES_EISA_ID2 0x02012949 /* !rii0102.cfg */ - -#define ES_CFG1 0xcc0 /* IOPORT(1) --> IOPORT(6) in cfg file */ -#define ES_CFG2 0xcc1 -#define ES_CFG3 0xcc2 -#define ES_CFG4 0xcc3 -#define ES_CFG5 0xcc4 -#define ES_CFG6 0xc84 /* NB: 0xc84 is also "reset" port. */ - -/* - * You can OR any of the following bits together and assign it - * to ES_DEBUG to get verbose driver info during operation. - * Some of these don't do anything yet. - */ - -#define ES_D_PROBE 0x01 -#define ES_D_RX_PKT 0x02 -#define ES_D_TX_PKT 0x04 -#define ED_D_IRQ 0x08 - -#define ES_DEBUG 0 - -static unsigned char lo_irq_map[] __initdata = {3, 4, 5, 6, 7, 9, 10}; -static unsigned char hi_irq_map[] __initdata = {11, 12, 0, 14, 0, 0, 0, 15}; - -/* - * Probe for the card. The best way is to read the EISA ID if it - * is known. Then we check the prefix of the station address - * PROM for a match against the Racal-Interlan assigned value. - */ - -static int __init do_es_probe(struct net_device *dev) -{ - unsigned short ioaddr = dev->base_addr; - int irq = dev->irq; - int mem_start = dev->mem_start; - - if (ioaddr > 0x1ff) /* Check a single specified location. */ - return es_probe1(dev, ioaddr); - else if (ioaddr > 0) /* Don't probe at all. */ - return -ENXIO; - - if (!EISA_bus) { -#if ES_DEBUG & ES_D_PROBE - printk("es3210.c: Not EISA bus. Not probing high ports.\n"); -#endif - return -ENXIO; - } - - /* EISA spec allows for up to 16 slots, but 8 is typical. */ - for (ioaddr = 0x1000; ioaddr < 0x9000; ioaddr += 0x1000) { - if (es_probe1(dev, ioaddr) == 0) - return 0; - dev->irq = irq; - dev->mem_start = mem_start; - } - - return -ENODEV; -} - -#ifndef MODULE -struct net_device * __init es_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_es_probe(dev); - if (err) - goto out; - return dev; -out: - free_netdev(dev); - return ERR_PTR(err); -} -#endif - -static int __init es_probe1(struct net_device *dev, int ioaddr) -{ - int i, retval; - unsigned long eisa_id; - - if (!request_region(ioaddr + ES_SA_PROM, ES_IO_EXTENT, "es3210")) - return -ENODEV; - -#if ES_DEBUG & ES_D_PROBE - printk("es3210.c: probe at %#x, ID %#8x\n", ioaddr, inl(ioaddr + ES_ID_PORT)); - printk("es3210.c: config regs: %#x %#x %#x %#x %#x %#x\n", - inb(ioaddr + ES_CFG1), inb(ioaddr + ES_CFG2), inb(ioaddr + ES_CFG3), - inb(ioaddr + ES_CFG4), inb(ioaddr + ES_CFG5), inb(ioaddr + ES_CFG6)); -#endif - -/* Check the EISA ID of the card. */ - eisa_id = inl(ioaddr + ES_ID_PORT); - if ((eisa_id != ES_EISA_ID1) && (eisa_id != ES_EISA_ID2)) { - retval = -ENODEV; - goto out; - } - - for (i = 0; i < ETH_ALEN ; i++) - dev->dev_addr[i] = inb(ioaddr + ES_SA_PROM + i); - -/* Check the Racal vendor ID as well. */ - if (dev->dev_addr[0] != ES_ADDR0 || - dev->dev_addr[1] != ES_ADDR1 || - dev->dev_addr[2] != ES_ADDR2) { - printk("es3210.c: card not found %pM (invalid_prefix).\n", - dev->dev_addr); - retval = -ENODEV; - goto out; - } - - printk("es3210.c: ES3210 rev. %ld at %#x, node %pM", - eisa_id>>24, ioaddr, dev->dev_addr); - - /* Snarf the interrupt now. */ - if (dev->irq == 0) { - unsigned char hi_irq = inb(ioaddr + ES_CFG2) & 0x07; - unsigned char lo_irq = inb(ioaddr + ES_CFG1) & 0xfe; - - if (hi_irq != 0) { - dev->irq = hi_irq_map[hi_irq - 1]; - } else { - int i = 0; - while (lo_irq > (1<<i)) i++; - dev->irq = lo_irq_map[i]; - } - printk(" using IRQ %d", dev->irq); -#if ES_DEBUG & ES_D_PROBE - printk("es3210.c: hi_irq %#x, lo_irq %#x, dev->irq = %d\n", - hi_irq, lo_irq, dev->irq); -#endif - } else { - if (dev->irq == 2) - dev->irq = 9; /* Doh! */ - printk(" assigning IRQ %d", dev->irq); - } - - if (request_irq(dev->irq, ei_interrupt, 0, "es3210", dev)) { - printk (" unable to get IRQ %d.\n", dev->irq); - retval = -EAGAIN; - goto out; - } - - if (dev->mem_start == 0) { - unsigned char mem_enabled = inb(ioaddr + ES_CFG2) & 0xc0; - unsigned char mem_bits = inb(ioaddr + ES_CFG3) & 0x07; - - if (mem_enabled != 0x80) { - printk(" shared mem disabled - giving up\n"); - retval = -ENXIO; - goto out1; - } - dev->mem_start = 0xC0000 + mem_bits*0x4000; - printk(" using "); - } else { - printk(" assigning "); - } - - ei_status.mem = ioremap(dev->mem_start, (ES_STOP_PG - ES_START_PG)*256); - if (!ei_status.mem) { - printk("ioremap failed - giving up\n"); - retval = -ENXIO; - goto out1; - } - - dev->mem_end = dev->mem_start + (ES_STOP_PG - ES_START_PG)*256; - - printk("mem %#lx-%#lx\n", dev->mem_start, dev->mem_end-1); - -#if ES_DEBUG & ES_D_PROBE - if (inb(ioaddr + ES_CFG5)) - printk("es3210: Warning - DMA channel enabled, but not used here.\n"); -#endif - /* Note, point at the 8390, and not the card... */ - dev->base_addr = ioaddr + ES_NIC_OFFSET; - - ei_status.name = "ES3210"; - ei_status.tx_start_page = ES_START_PG; - ei_status.rx_start_page = ES_START_PG + TX_PAGES; - ei_status.stop_page = ES_STOP_PG; - ei_status.word16 = 1; - - if (ei_debug > 0) - printk(version); - - ei_status.reset_8390 = &es_reset_8390; - ei_status.block_input = &es_block_input; - ei_status.block_output = &es_block_output; - ei_status.get_8390_hdr = &es_get_8390_hdr; - - dev->netdev_ops = &ei_netdev_ops; - NS8390_init(dev, 0); - - retval = register_netdev(dev); - if (retval) - goto out1; - return 0; -out1: - free_irq(dev->irq, dev); -out: - release_region(ioaddr + ES_SA_PROM, ES_IO_EXTENT); - return retval; -} - -/* - * Reset as per the packet driver method. Judging by the EISA cfg - * file, this just toggles the "Board Enable" bits (bit 2 and 0). - */ - -static void es_reset_8390(struct net_device *dev) -{ - unsigned short ioaddr = dev->base_addr; - unsigned long end; - - outb(0x04, ioaddr + ES_RESET_PORT); - if (ei_debug > 1) printk("%s: resetting the ES3210...", dev->name); - - end = jiffies + 2*HZ/100; - while ((signed)(end - jiffies) > 0) continue; - - ei_status.txing = 0; - outb(0x01, ioaddr + ES_RESET_PORT); - if (ei_debug > 1) printk("reset done\n"); -} - -/* - * Note: In the following three functions is the implicit assumption - * that the associated memcpy will only use "rep; movsl" as long as - * we keep the counts as some multiple of doublewords. This is a - * requirement of the hardware, and also prevents us from using - * eth_io_copy_and_sum() since we can't guarantee it will limit - * itself to doubleword access. - */ - -/* - * Grab the 8390 specific header. Similar to the block_input routine, but - * we don't need to be concerned with ring wrap as the header will be at - * the start of a page, so we optimize accordingly. (A single doubleword.) - */ - -static void -es_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) -{ - void __iomem *hdr_start = ei_status.mem + ((ring_page - ES_START_PG)<<8); - memcpy_fromio(hdr, hdr_start, sizeof(struct e8390_pkt_hdr)); - hdr->count = (hdr->count + 3) & ~3; /* Round up allocation. */ -} - -/* - * Block input and output are easy on shared memory ethercards, the only - * complication is when the ring buffer wraps. The count will already - * be rounded up to a doubleword value via es_get_8390_hdr() above. - */ - -static void es_block_input(struct net_device *dev, int count, struct sk_buff *skb, - int ring_offset) -{ - void __iomem *xfer_start = ei_status.mem + ring_offset - ES_START_PG*256; - - if (ring_offset + count > ES_STOP_PG*256) { - /* Packet wraps over end of ring buffer. */ - int semi_count = ES_STOP_PG*256 - ring_offset; - memcpy_fromio(skb->data, xfer_start, semi_count); - count -= semi_count; - memcpy_fromio(skb->data + semi_count, ei_status.mem, count); - } else { - /* Packet is in one chunk. */ - memcpy_fromio(skb->data, xfer_start, count); - } -} - -static void es_block_output(struct net_device *dev, int count, - const unsigned char *buf, int start_page) -{ - void __iomem *shmem = ei_status.mem + ((start_page - ES_START_PG)<<8); - - count = (count + 3) & ~3; /* Round up to doubleword */ - memcpy_toio(shmem, buf, count); -} - -#ifdef MODULE -#define MAX_ES_CARDS 4 /* Max number of ES3210 cards per module */ -#define NAMELEN 8 /* # of chars for storing dev->name */ -static struct net_device *dev_es3210[MAX_ES_CARDS]; -static int io[MAX_ES_CARDS]; -static int irq[MAX_ES_CARDS]; -static int mem[MAX_ES_CARDS]; - -module_param_array(io, int, NULL, 0); -module_param_array(irq, int, NULL, 0); -module_param_array(mem, 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_DESCRIPTION("Racal-Interlan ES3210 EISA ethernet driver"); -MODULE_LICENSE("GPL"); - -int __init init_module(void) -{ - struct net_device *dev; - int this_dev, found = 0; - - for (this_dev = 0; this_dev < MAX_ES_CARDS; this_dev++) { - if (io[this_dev] == 0 && this_dev != 0) - break; - dev = alloc_ei_netdev(); - if (!dev) - break; - dev->irq = irq[this_dev]; - dev->base_addr = io[this_dev]; - dev->mem_start = mem[this_dev]; - if (do_es_probe(dev) == 0) { - dev_es3210[found++] = dev; - continue; - } - free_netdev(dev); - printk(KERN_WARNING "es3210.c: No es3210 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, ES_IO_EXTENT); - iounmap(ei_status.mem); -} - -void __exit -cleanup_module(void) -{ - int this_dev; - - for (this_dev = 0; this_dev < MAX_ES_CARDS; this_dev++) { - struct net_device *dev = dev_es3210[this_dev]; - if (dev) { - unregister_netdev(dev); - cleanup_card(dev); - free_netdev(dev); - } - } -} -#endif /* MODULE */ - |