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freebsd-nq/sys/dev/ep/if_ep_eisa.c
Atsushi Murai 0ed091876d Add interrupt register set up with original register value 
before attaching. Without this fix, 3c579(EISA) never make
any H/W inturrupt.
Reviewed by:	"Justin T. Gibbs" <gibbs@freefall.freebsd.org>, nao@sbl.cl.nec.co.jp and owner-current on mailing list ;-)
Submitted by:	amurai@spec.co.jp, nao@sbl.cl.nec.co.jp
1996-07-19 13:20:05 +00:00

314 lines
7.4 KiB
C
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/*
* Product specific probe and attach routines for:
* 3COM 3C579 and 3C509(in eisa config mode) ethernet controllers
*
* Copyright (c) 1996 Justin T. Gibbs
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice immediately at the beginning of the file, without modification,
* this list of conditions, and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Absolutely no warranty of function or purpose is made by the author
* Justin T. Gibbs.
* 4. Modifications may be freely made to this file if the above conditions
* are met.
*
* $Id: 3c5x9.c,v 1.3 1996/06/12 05:02:39 gpalmer Exp $
*/
#include "eisa.h"
#if NEISA > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/devconf.h>
#include <sys/kernel.h>
#include <machine/clock.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <i386/isa/if_epreg.h>
#include <i386/isa/isa_device.h> /* For kdc_isa0 */
#include <i386/eisa/eisaconf.h>
#define EISA_DEVICE_ID_3COM_3C509_TP 0x506d5090
#define EISA_DEVICE_ID_3COM_3C509_BNC 0x506d5091
#define EISA_DEVICE_ID_3COM_3C579_TP 0x506d5092
#define EISA_DEVICE_ID_3COM_3C579_BNC 0x506d5093
#define EISA_DEVICE_ID_3COM_3C509_COMBO 0x506d5094
#define EISA_DEVICE_ID_3COM_3C509_TPO 0x506d5095
#define EP_EISA_SLOT_OFFSET 0x0c80
#define EP_EISA_IOSIZE 0x000a
#define EISA_IOCONF 0x0008
#define IRQ_CHANNEL 0xf000
#define INT_3 0x3000
#define INT_5 0x5000
#define INT_7 0x7000
#define INT_9 0x9000
#define INT_10 0xa000
#define INT_11 0xb000
#define INT_12 0xc000
#define INT_15 0xf000
#define EISA_BPROM_MEDIA_CONF 0x0006
#define TRANS_TYPE 0xc000
#define TRANS_TP 0x0000
#define TRANS_AUI 0x4000
#define TRANS_BNC 0xc000
static int ep_eisa_probe __P((void));
static int ep_eisa_attach __P((struct eisa_device *e_dev));
struct eisa_driver ep_eisa_driver = {
"ep",
ep_eisa_probe,
ep_eisa_attach,
/*shutdown*/NULL,
&ep_unit
};
DATA_SET (eisadriver_set, ep_eisa_driver);
static struct kern_devconf kdc_eisa_ep = {
0, 0, 0, /* filled in by dev_attach */
"ep", 0, { MDDT_EISA, 0, "net" },
eisa_generic_externalize, 0, 0, EISA_EXTERNALLEN,
&kdc_eisa0, /* parent */
0, /* parentdata */
DC_UNCONFIGURED, /* always start out here */
NULL,
DC_CLS_MISC /* host adapters aren't special */
};
static char *ep_match __P((eisa_id_t type));
static char*
ep_match(type)
eisa_id_t type;
{
switch(type) {
case EISA_DEVICE_ID_3COM_3C509_TP:
return "3Com 3C509-TP Network Adapter";
break;
case EISA_DEVICE_ID_3COM_3C509_BNC:
return "3Com 3C509-BNC Network Adapter";
break;
case EISA_DEVICE_ID_3COM_3C579_TP:
return "3Com 3C579-TP EISA Network Adapter";
break;
case EISA_DEVICE_ID_3COM_3C579_BNC:
return "3Com 3C579-BNC EISA Network Adapter";
break;
case EISA_DEVICE_ID_3COM_3C509_COMBO:
return "3Com 3C509-Combo Network Adapter";
break;
case EISA_DEVICE_ID_3COM_3C509_TPO:
return "3Com 3C509-TPO Network Adapter";
break;
default:
break;
}
return (NULL);
}
static int
ep_eisa_probe(void)
{
u_long iobase;
struct eisa_device *e_dev = NULL;
int count;
count = 0;
while ((e_dev = eisa_match_dev(e_dev, ep_match))) {
u_short conf;
u_long port;
int irq;
port = (e_dev->ioconf.slot * EISA_SLOT_SIZE);
iobase = port + EP_EISA_SLOT_OFFSET;
/* We must be in EISA configuration mode */
if ((inw(iobase + EP_W0_ADDRESS_CFG) & 0x1f) != 0x1f)
continue;
eisa_add_iospace(e_dev, iobase, EP_EISA_IOSIZE, RESVADDR_NONE);
eisa_add_iospace(e_dev, port, EP_IOSIZE, RESVADDR_NONE);
conf = inw(iobase + EISA_IOCONF);
/* Determine our IRQ */
switch (conf & IRQ_CHANNEL) {
case INT_3:
irq = 3;
break;
case INT_5:
irq = 5;
break;
case INT_7:
irq = 7;
break;
case INT_9:
irq = 9;
break;
case INT_10:
irq = 10;
break;
case INT_11:
irq = 11;
break;
case INT_12:
irq = 12;
break;
case INT_15:
irq = 15;
break;
default:
/* Disabled */
printf("ep: 3COM Network Adapter at "
"slot %d has its IRQ disabled. "
"Probe failed.\n",
e_dev->ioconf.slot);
continue;
}
eisa_add_intr(e_dev, irq);
eisa_registerdev(e_dev, &ep_eisa_driver, &kdc_eisa_ep);
if(e_dev->id != EISA_DEVICE_ID_3COM_3C579_TP &&
e_dev->id != EISA_DEVICE_ID_3COM_3C579_BNC) {
/* Our real parent is the isa bus. Say so. */
e_dev->kdc->kdc_parent = &kdc_isa0;
}
count++;
}
return count;
}
static int
ep_eisa_attach(e_dev)
struct eisa_device *e_dev;
{
struct ep_softc *sc;
struct ep_board *epb;
int unit = e_dev->unit;
int irq = ffs(e_dev->ioconf.irq) - 1;
resvaddr_t *ioport;
resvaddr_t *eisa_ioport;
u_char level_intr;
int i;
/*
* The addresses are sorted in increasing order
* so we know the port to pass to the core ep
* driver comes first.
*/
ioport = e_dev->ioconf.ioaddrs.lh_first;
if(!ioport)
return -1;
eisa_ioport = ioport->links.le_next;
if(!eisa_ioport)
return -1;
eisa_reg_start(e_dev);
if(eisa_reg_iospace(e_dev, ioport))
return -1;
if(eisa_reg_iospace(e_dev, eisa_ioport))
return -1;
epb = &ep_board[ep_boards];
epb->epb_addr = ioport->addr;
epb->epb_used = 1;
if(!(sc = ep_alloc(unit, epb)))
return -1;
ep_boards++;
sc->stat = 0;
sc->kdc = e_dev->kdc;
level_intr = FALSE;
switch(e_dev->id) {
case EISA_DEVICE_ID_3COM_3C509_TP:
sc->ep_connectors = UTP|AUI;
break;
case EISA_DEVICE_ID_3COM_3C509_BNC:
sc->ep_connectors = BNC|AUI;
break;
case EISA_DEVICE_ID_3COM_3C579_TP:
sc->ep_connectors = UTP|AUI;
sc->stat = F_ACCESS_32_BITS;
level_intr = TRUE;
break;
case EISA_DEVICE_ID_3COM_3C579_BNC:
sc->ep_connectors = BNC|AUI;
sc->stat = F_ACCESS_32_BITS;
level_intr = TRUE;
break;
case EISA_DEVICE_ID_3COM_3C509_COMBO:
sc->ep_connectors = UTP|BNC|AUI;
break;
case EISA_DEVICE_ID_3COM_3C509_TPO:
sc->ep_connectors = UTP;
break;
default:
break;
}
/*
* Set the eisa config selected media type
*/
sc->ep_connector = inw(eisa_ioport->addr + EISA_BPROM_MEDIA_CONF)
>> ACF_CONNECTOR_BITS;
if(eisa_reg_intr(e_dev, irq, ep_intr, (void *)sc, &net_imask,
/*shared ==*/level_intr)) {
ep_free(sc);
return -1;
}
eisa_reg_end(e_dev);
/* Reset and Enable the card */
outb(eisa_ioport->addr + EP_W0_CONFIG_CTRL, W0_P4_CMD_RESET_ADAPTER);
DELAY(1000); /* we must wait at least 1 ms */
outb(eisa_ioport->addr + EP_W0_CONFIG_CTRL, W0_P4_CMD_ENABLE_ADAPTER);
/* Now the registers are availible through the lower ioport */
/*
* Retrieve our ethernet address
*/
GO_WINDOW(0);
for(i = 0; i < 3; i++)
sc->epb->eth_addr[i] = get_e(sc, i);
/* Even we get irq number from board, we should tell him..
Otherwise we never get a H/W interrupt anymore...*/
if ( irq == 9 )
irq = 2;
SET_IRQ(eisa_ioport->addr, irq);
ep_attach(sc);
if(eisa_enable_intr(e_dev, irq)) {
ep_free(sc);
eisa_release_intr(e_dev, irq, ep_intr);
return -1;
}
return 0;
}
#endif /* NEISA > 0 */
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