310 lines
7.2 KiB
C
310 lines
7.2 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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* $Id: 3c5x9.c,v 1.1 1996/02/26 01:01:37 gibbs Exp $
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*/
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#include "eisa.h"
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#if NEISA > 0
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/devconf.h>
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#include <sys/kernel.h>
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#include <machine/clock.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <i386/isa/if_epreg.h>
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#include <i386/isa/isa_device.h> /* For kdc_isa0 */
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#include <i386/eisa/eisaconf.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 int ep_eisa_probe __P((void));
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static int ep_eisa_attach __P((struct eisa_device *e_dev));
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struct eisa_driver ep_eisa_driver = {
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"ep",
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ep_eisa_probe,
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ep_eisa_attach,
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/*shutdown*/NULL,
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&ep_unit
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};
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DATA_SET (eisadriver_set, ep_eisa_driver);
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static struct kern_devconf kdc_eisa_ep = {
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0, 0, 0, /* filled in by dev_attach */
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"ep", 0, { MDDT_EISA, 0, "net" },
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eisa_generic_externalize, 0, 0, EISA_EXTERNALLEN,
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&kdc_eisa0, /* parent */
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0, /* parentdata */
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DC_UNCONFIGURED, /* always start out here */
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NULL,
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DC_CLS_MISC /* host adapters aren't special */
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};
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static char *ep_match __P((eisa_id_t type));
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static char*
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ep_match(type)
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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(void)
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{
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u_long iobase;
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struct eisa_device *e_dev = NULL;
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int stat = 0;
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int count;
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count = 0;
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while ((e_dev = eisa_match_dev(e_dev, ep_match))) {
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u_short conf;
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u_long port;
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int irq;
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port = (e_dev->ioconf.slot * 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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continue;
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eisa_add_iospace(e_dev, iobase, EP_EISA_IOSIZE, RESVADDR_NONE);
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eisa_add_iospace(e_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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e_dev->ioconf.slot);
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continue;
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}
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eisa_add_intr(e_dev, irq);
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eisa_registerdev(e_dev, &ep_eisa_driver, &kdc_eisa_ep);
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if(e_dev->id != EISA_DEVICE_ID_3COM_3C579_TP &&
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e_dev->id != EISA_DEVICE_ID_3COM_3C579_BNC) {
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/* Our real parent is the isa bus. Say so. */
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e_dev->kdc->kdc_parent = &kdc_isa0;
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}
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count++;
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}
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return count;
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}
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static int
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ep_eisa_attach(e_dev)
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struct eisa_device *e_dev;
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{
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struct ep_softc *sc;
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struct ep_board *epb;
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int unit = e_dev->unit;
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int irq = ffs(e_dev->ioconf.irq) - 1;
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resvaddr_t *ioport;
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resvaddr_t *eisa_ioport;
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u_char level_intr;
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u_short conf;
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int i;
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/*
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* The addresses are sorted in increasing order
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* so we know the port to pass to the core ep
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* driver comes first.
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*/
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ioport = e_dev->ioconf.ioaddrs.lh_first;
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if(!ioport)
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return -1;
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eisa_ioport = ioport->links.le_next;
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if(!eisa_ioport)
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return -1;
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eisa_reg_start(e_dev);
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if(eisa_reg_iospace(e_dev, ioport))
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return -1;
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if(eisa_reg_iospace(e_dev, eisa_ioport))
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return -1;
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epb = &ep_board[ep_boards];
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epb->epb_addr = ioport->addr;
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epb->epb_used = 1;
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if(!(sc = ep_alloc(unit, epb)))
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return -1;
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ep_boards++;
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sc->stat = 0;
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sc->kdc = e_dev->kdc;
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level_intr = FALSE;
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switch(e_dev->id) {
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case EISA_DEVICE_ID_3COM_3C509_TP:
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sc->ep_connectors = UTP|AUI;
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break;
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case EISA_DEVICE_ID_3COM_3C509_BNC:
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sc->ep_connectors = BNC|AUI;
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break;
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case EISA_DEVICE_ID_3COM_3C579_TP:
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sc->ep_connectors = UTP|AUI;
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sc->stat = F_ACCESS_32_BITS;
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level_intr = TRUE;
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break;
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case EISA_DEVICE_ID_3COM_3C579_BNC:
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sc->ep_connectors = BNC|AUI;
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sc->stat = F_ACCESS_32_BITS;
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level_intr = TRUE;
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break;
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case EISA_DEVICE_ID_3COM_3C509_COMBO:
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sc->ep_connectors = UTP|BNC|AUI;
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break;
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case EISA_DEVICE_ID_3COM_3C509_TPO:
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sc->ep_connectors = UTP;
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break;
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default:
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break;
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}
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/*
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* Set the eisa config selected media type
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*/
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sc->ep_connector = inw(eisa_ioport->addr + EISA_BPROM_MEDIA_CONF)
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>> ACF_CONNECTOR_BITS;
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if(eisa_reg_intr(e_dev, irq, ep_intr, (void *)sc, &net_imask,
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/*shared ==*/level_intr)) {
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ep_free(sc);
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return -1;
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}
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eisa_reg_end(e_dev);
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/* Reset and Enable the card */
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outb(eisa_ioport->addr + 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_ioport->addr + 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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/*
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* Retrieve our ethernet address
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*/
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GO_WINDOW(0);
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for(i = 0; i < 3; i++)
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sc->epb->eth_addr[i] = get_e(sc, i);
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ep_attach(sc);
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if(eisa_enable_intr(e_dev, irq)) {
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ep_free(sc);
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eisa_release_intr(e_dev, irq, ep_intr);
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return -1;
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}
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return 0;
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}
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#endif /* NEISA > 0 */
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