99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/* $NetBSD: pcnet_pci.c,v 1.8 2008/12/14 18:46:33 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1996
|
|
* Matthias Drochner. 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, 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
|
|
#include <sys/types.h>
|
|
#include <machine/pio.h>
|
|
#include <lib/libkern/libkern.h>
|
|
#include <lib/libsa/stand.h>
|
|
|
|
#include <libi386.h>
|
|
#include <pcivar.h>
|
|
#include <bootinfo.h>
|
|
|
|
#include "etherdrv.h"
|
|
#include "lance.h"
|
|
|
|
int lance_rap, lance_rdp;
|
|
|
|
static pcihdl_t hdl;
|
|
|
|
u_char eth_myaddr[6];
|
|
|
|
extern void am7990_init(void);
|
|
extern void am7990_stop(void);
|
|
|
|
static struct btinfo_netif bi_netif;
|
|
|
|
int
|
|
EtherInit(unsigned char *myadr)
|
|
{
|
|
int iobase, pcicsr, i;
|
|
|
|
if (pcicheck() == -1) {
|
|
printf("cannot access PCI\n");
|
|
return 0;
|
|
}
|
|
|
|
if (pcifinddev(0x1022, 0x2000, &hdl)) {
|
|
printf("cannot find PCNET\n");
|
|
return 0;
|
|
}
|
|
|
|
if (pcicfgread(&hdl, 0x10, &iobase) || !(iobase & 1)) {
|
|
printf("cannot map IO space\n");
|
|
return 0;
|
|
}
|
|
iobase &= 0xfffffffc;
|
|
|
|
lance_rap = iobase + 0x12;
|
|
lance_rdp = iobase + 0x10;
|
|
|
|
/* make sure it's stopped */
|
|
am7990_stop();
|
|
|
|
/* enable bus mastering in PCI command register */
|
|
if (pcicfgread(&hdl, 0x04, &pcicsr)
|
|
|| pcicfgwrite(&hdl, 0x04, pcicsr | 4)) {
|
|
printf("cannot enable DMA\n");
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; i < 6; i++)
|
|
myadr[i] = eth_myaddr[i] = inb(iobase + i);
|
|
|
|
am7990_init();
|
|
|
|
strncpy(bi_netif.ifname, "le", sizeof(bi_netif.ifname));
|
|
bi_netif.bus = BI_BUS_PCI;
|
|
bi_netif.addr.tag = hdl;
|
|
|
|
BI_ADD(&bi_netif, BTINFO_NETIF, sizeof(bi_netif));
|
|
|
|
return 1;
|
|
}
|