162 lines
4 KiB
C
162 lines
4 KiB
C
/* $NetBSD: 3c590.c,v 1.15 2008/12/14 18:46:33 christos Exp $ */
|
|
|
|
/* stripped down from freebsd:sys/i386/netboot/3c509.c */
|
|
|
|
|
|
/**************************************************************************
|
|
NETBOOT - BOOTP/TFTP Bootstrap Program
|
|
|
|
Author: Martin Renters.
|
|
Date: Mar 22 1995
|
|
|
|
This code is based heavily on David Greenman's if_ed.c driver and
|
|
Andres Vega Garcia's if_ep.c driver.
|
|
|
|
Copyright (C) 1993-1994, David Greenman, Martin Renters.
|
|
Copyright (C) 1993-1995, Andres Vega Garcia.
|
|
Copyright (C) 1995, Serge Babkin.
|
|
This software may be used, modified, copied, distributed, and sold, in
|
|
both source and binary form provided that the above copyright and these
|
|
terms are retained. Under no circumstances are the authors responsible for
|
|
the proper functioning of this software, nor do the authors assume any
|
|
responsibility for damages incurred with its use.
|
|
|
|
3c509 support added by Serge Babkin (babkin@hq.icb.chel.su)
|
|
|
|
3c509.c,v 1.2 1995/05/30 07:58:52 rgrimes Exp
|
|
|
|
***************************************************************************/
|
|
|
|
#include <sys/types.h>
|
|
#include <machine/pio.h>
|
|
|
|
#include <lib/libsa/stand.h>
|
|
|
|
#include <libi386.h>
|
|
#include <pcivar.h>
|
|
|
|
#if defined(_STANDALONE) && !defined(SUPPORT_NO_NETBSD)
|
|
#include <lib/libkern/libkern.h>
|
|
#include <bootinfo.h>
|
|
#endif
|
|
|
|
#include "etherdrv.h"
|
|
#include "3c509.h"
|
|
|
|
#define EP_W3_INTERNAL_CONFIG 0x00 /* 32 bits */
|
|
#define EP_W3_RESET_OPTIONS 0x08 /* 16 bits */
|
|
|
|
unsigned ether_medium;
|
|
unsigned short eth_base;
|
|
|
|
extern void epreset(void);
|
|
extern int ep_get_e(int);
|
|
|
|
u_char eth_myaddr[6];
|
|
|
|
static struct mtabentry {
|
|
int address_cfg; /* configured connector */
|
|
int config_bit; /* connector present */
|
|
char *name;
|
|
} mediatab[] = { /* indexed by media type - etherdrv.h */
|
|
{3, 0x10, "BNC"},
|
|
{0, 0x08, "UTP"},
|
|
{1, 0x20, "AUI"},
|
|
{6, 0x40, "MII"},
|
|
};
|
|
|
|
#if defined(_STANDALONE) && !defined(SUPPORT_NO_NETBSD)
|
|
static struct btinfo_netif bi_netif;
|
|
#endif
|
|
|
|
/**************************************************************************
|
|
ETH_PROBE - Look for an adapter
|
|
***************************************************************************/
|
|
int
|
|
EtherInit(unsigned char *myadr)
|
|
{
|
|
/* common variables */
|
|
int i, j;
|
|
/* variables for 3C509 */
|
|
u_short *p;
|
|
struct mtabentry *m;
|
|
|
|
/*********************************************************
|
|
Search for 3Com 590 card
|
|
***********************************************************/
|
|
|
|
pcihdl_t hdl;
|
|
int iobase;
|
|
|
|
if (pcicheck() == -1) {
|
|
printf("cannot access PCI\n");
|
|
return 0;
|
|
}
|
|
|
|
if (pcifinddev(0x10b7, 0x5900, &hdl) &&
|
|
pcifinddev(0x10b7, 0x5950, &hdl) &&
|
|
pcifinddev(0x10b7, 0x9000, &hdl) &&
|
|
pcifinddev(0x10b7, 0x9001, &hdl) &&
|
|
pcifinddev(0x10b7, 0x9050, &hdl)) {
|
|
printf("cannot find 3c59x / 3c90x\n");
|
|
return 0;
|
|
}
|
|
|
|
if (pcicfgread(&hdl, 0x10, &iobase) || !(iobase & 1)) {
|
|
printf("cannot map IO space\n");
|
|
return 0;
|
|
}
|
|
eth_base = iobase & 0xfffffffc;
|
|
|
|
/* test for presence of connectors */
|
|
GO_WINDOW(3);
|
|
i = inb(IS_BASE + EP_W3_RESET_OPTIONS);
|
|
j = (inw(IS_BASE + EP_W3_INTERNAL_CONFIG + 2) >> 4) & 7;
|
|
|
|
GO_WINDOW(0);
|
|
|
|
for (ether_medium = 0, m = mediatab;
|
|
ether_medium < sizeof(mediatab) / sizeof(mediatab[0]);
|
|
ether_medium++, m++) {
|
|
if (j == m->address_cfg) {
|
|
if (!(i & m->config_bit)) {
|
|
printf("%s not present\n", m->name);
|
|
return 0;
|
|
}
|
|
printf("using %s\n", m->name);
|
|
goto ok;
|
|
}
|
|
}
|
|
printf("unknown connector\n");
|
|
return 0;
|
|
|
|
ok:
|
|
/*
|
|
* Read the station address from the eeprom
|
|
*/
|
|
p = (u_short *) eth_myaddr;
|
|
for (i = 0; i < 3; i++) {
|
|
u_short help;
|
|
GO_WINDOW(0);
|
|
help = ep_get_e(i);
|
|
p[i] = ((help & 0xff) << 8) | ((help & 0xff00) >> 8);
|
|
GO_WINDOW(2);
|
|
outw(BASE + EP_W2_ADDR_0 + (i * 2), help);
|
|
}
|
|
for (i = 0; i < 6; i++)
|
|
myadr[i] = eth_myaddr[i];
|
|
|
|
epreset();
|
|
|
|
|
|
#if defined(_STANDALONE) && !defined(SUPPORT_NO_NETBSD)
|
|
strncpy(bi_netif.ifname, "ep", sizeof(bi_netif.ifname));
|
|
bi_netif.bus = BI_BUS_PCI;
|
|
bi_netif.addr.tag = hdl;
|
|
|
|
BI_ADD(&bi_netif, BTINFO_NETIF, sizeof(bi_netif));
|
|
#endif
|
|
|
|
return 1;
|
|
}
|