266 lines
6.0 KiB
C
266 lines
6.0 KiB
C
/*
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* Product specific probe and attach routines for:
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* 3COM 3C579 and 3C509(in eisa config mode) ethernet controllers
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*
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* Copyright (c) 1996 Justin T. Gibbs
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Absolutely no warranty of function or purpose is made by the author
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* Justin T. Gibbs.
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* 4. Modifications may be freely made to this file if the above conditions
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* are met.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <dev/eisa/eisaconf.h>
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#include <dev/ep/if_epreg.h>
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#include <dev/ep/if_epvar.h>
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#define EISA_DEVICE_ID_3COM_3C509_TP 0x506d5090
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#define EISA_DEVICE_ID_3COM_3C509_BNC 0x506d5091
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#define EISA_DEVICE_ID_3COM_3C579_TP 0x506d5092
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#define EISA_DEVICE_ID_3COM_3C579_BNC 0x506d5093
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#define EISA_DEVICE_ID_3COM_3C509_COMBO 0x506d5094
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#define EISA_DEVICE_ID_3COM_3C509_TPO 0x506d5095
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#define EP_EISA_SLOT_OFFSET 0x0c80
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#define EP_EISA_IOSIZE 0x000a
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#define EISA_IOCONF 0x0008
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#define IRQ_CHANNEL 0xf000
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#define INT_3 0x3000
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#define INT_5 0x5000
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#define INT_7 0x7000
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#define INT_9 0x9000
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#define INT_10 0xa000
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#define INT_11 0xb000
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#define INT_12 0xc000
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#define INT_15 0xf000
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#define EISA_BPROM_MEDIA_CONF 0x0006
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#define TRANS_TYPE 0xc000
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#define TRANS_TP 0x0000
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#define TRANS_AUI 0x4000
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#define TRANS_BNC 0xc000
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static const char *ep_match __P((eisa_id_t type));
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static const char*
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ep_match(eisa_id_t type)
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{
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switch(type) {
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case EISA_DEVICE_ID_3COM_3C509_TP:
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return "3Com 3C509-TP Network Adapter";
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break;
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case EISA_DEVICE_ID_3COM_3C509_BNC:
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return "3Com 3C509-BNC Network Adapter";
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break;
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case EISA_DEVICE_ID_3COM_3C579_TP:
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return "3Com 3C579-TP EISA Network Adapter";
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break;
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case EISA_DEVICE_ID_3COM_3C579_BNC:
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return "3Com 3C579-BNC EISA Network Adapter";
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break;
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case EISA_DEVICE_ID_3COM_3C509_COMBO:
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return "3Com 3C509-Combo Network Adapter";
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break;
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case EISA_DEVICE_ID_3COM_3C509_TPO:
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return "3Com 3C509-TPO Network Adapter";
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break;
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default:
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break;
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}
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return (NULL);
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}
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static int
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ep_eisa_probe(device_t dev)
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{
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const char *desc;
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u_long iobase;
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u_short conf;
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u_long port;
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int irq;
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int int_trig;
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desc = ep_match(eisa_get_id(dev));
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if (!desc)
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return (ENXIO);
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device_set_desc(dev, desc);
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port = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
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iobase = port + EP_EISA_SLOT_OFFSET;
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/* We must be in EISA configuration mode */
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if ((inw(iobase + EP_W0_ADDRESS_CFG) & 0x1f) != 0x1f)
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return ENXIO;
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eisa_add_iospace(dev, iobase, EP_EISA_IOSIZE, RESVADDR_NONE);
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eisa_add_iospace(dev, port, EP_IOSIZE, RESVADDR_NONE);
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conf = inw(iobase + EISA_IOCONF);
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/* Determine our IRQ */
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switch (conf & IRQ_CHANNEL) {
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case INT_3:
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irq = 3;
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break;
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case INT_5:
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irq = 5;
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break;
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case INT_7:
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irq = 7;
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break;
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case INT_9:
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irq = 9;
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break;
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case INT_10:
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irq = 10;
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break;
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case INT_11:
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irq = 11;
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break;
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case INT_12:
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irq = 12;
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break;
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case INT_15:
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irq = 15;
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break;
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default:
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/* Disabled */
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printf("ep: 3COM Network Adapter at "
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"slot %d has its IRQ disabled. "
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"Probe failed.\n",
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eisa_get_slot(dev));
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return ENXIO;
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}
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switch(eisa_get_id(dev)) {
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case EISA_DEVICE_ID_3COM_3C579_BNC:
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case EISA_DEVICE_ID_3COM_3C579_TP:
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int_trig = EISA_TRIGGER_LEVEL;
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break;
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default:
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int_trig = EISA_TRIGGER_EDGE;
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break;
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}
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eisa_add_intr(dev, irq, int_trig);
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return 0;
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}
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static int
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ep_eisa_attach(device_t dev)
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{
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struct ep_softc * sc = device_get_softc(dev);
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struct resource * eisa_io = NULL;
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u_int32_t eisa_iobase;
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int irq;
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int error = 0;
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int rid;
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rid = 1;
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eisa_io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, 1, RF_ACTIVE);
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if (!eisa_io) {
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device_printf(dev, "No I/O space?!\n");
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error = ENXIO;
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goto bad;
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}
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eisa_iobase = rman_get_start(eisa_io);
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/* Reset and Enable the card */
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outb(eisa_iobase + EP_W0_CONFIG_CTRL, W0_P4_CMD_RESET_ADAPTER);
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DELAY(1000); /* we must wait at least 1 ms */
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outb(eisa_iobase + EP_W0_CONFIG_CTRL, W0_P4_CMD_ENABLE_ADAPTER);
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/* Now the registers are availible through the lower ioport */
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if ((error = ep_alloc(dev))) {
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device_printf(dev, "ep_alloc() failed! (%d)\n", error);
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goto bad;
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}
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switch(eisa_get_id(dev)) {
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case EISA_DEVICE_ID_3COM_3C579_BNC:
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case EISA_DEVICE_ID_3COM_3C579_TP:
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sc->stat = F_ACCESS_32_BITS;
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break;
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default:
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break;
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}
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ep_get_media(sc);
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irq = rman_get_start(sc->irq);
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if (irq == 9)
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irq = 2;
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GO_WINDOW(0);
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SET_IRQ(BASE, irq);
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if ((error = ep_attach(sc))) {
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device_printf(dev, "ep_attach() failed! (%d)\n", error);
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goto bad;
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}
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if ((error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET, ep_intr,
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sc, &sc->ep_intrhand))) {
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device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
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goto bad;
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}
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return (0);
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bad:
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if (eisa_io)
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bus_release_resource(dev, SYS_RES_IOPORT, 0, eisa_io);
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ep_free(dev);
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return (error);
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}
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static device_method_t ep_eisa_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ep_eisa_probe),
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DEVMETHOD(device_attach, ep_eisa_attach),
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{ 0, 0 }
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};
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static driver_t ep_eisa_driver = {
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"ep",
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ep_eisa_methods,
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sizeof(struct ep_softc),
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};
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extern devclass_t ep_devclass;
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DRIVER_MODULE(ep, eisa, ep_eisa_driver, ep_devclass, 0, 0);
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