freebsd-dev/sys/dev/sr/if_sr_pci.c

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/*
* Copyright (c) 1996 John Hay.
* Copyright (c) 1996 SDL Communications, Inc.
* 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.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
1999-08-28 01:08:13 +00:00
* $FreeBSD$
*/
#include "sr.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <pci/pcivar.h>
#ifndef BUGGY
#define BUGGY 0
#endif
/*
* The must match with the real functions in if_sr.c
*/
extern void *srattach_pci(int unit,
vm_offset_t plx_vaddr,
vm_offset_t sca_vaddr);
extern void srintr_hc(void *hc);
static const char *sr_pci_probe(pcici_t tag, pcidi_t type);
static void sr_pci_attach(pcici_t config_id, int unit);
static u_long src_count = NSR;
1998-02-09 06:11:36 +00:00
static struct pci_device sr_pci_driver =
{
"src",
sr_pci_probe,
sr_pci_attach,
&src_count,
NULL
};
COMPAT_PCI_DRIVER (sr_pci, sr_pci_driver);
static const char *
sr_pci_probe(pcici_t tag, pcidi_t type)
{
switch(type) {
case 0x556812aa:
return ("RISCom/N2pci");
break;
case 0x55684778:
case 0x55684877:
/*
* XXX This can probably be removed sometime.
*/
return ("RISCom/N2pci (old id)");
break;
default:
break;
}
return (0);
}
static void
sr_pci_attach(pcici_t config_id, int unit)
{
void *hc;
#if BUGGY > 0
u_int *fecr;
#endif
vm_offset_t plx_vaddr, plx_paddr, sca_vaddr, sca_paddr;
#if BUGGY > 0
printf("srp: ID %x\n", pci_conf_read(config_id, 0));
printf("srp: BADR0 %x\n", pci_conf_read(config_id, 0x10));
printf("srp: BADR1 %x\n", pci_conf_read(config_id, 0x18));
#endif
if(!pci_map_mem(config_id, 0x10, &plx_vaddr, &plx_paddr)) {
printf("srp: map failed.\n");
return;
}
#if BUGGY > 0
printf("srp: vaddr %x, paddr %x\n", plx_vaddr, plx_paddr);
#endif
if(!pci_map_mem(config_id, 0x18, &sca_vaddr, &sca_paddr)) {
printf("srp: map failed.\n");
return;
}
#if BUGGY > 0
printf("srp: vaddr %x, paddr %x\n", sca_vaddr, sca_paddr);
fecr = (u_int *)(sca_vaddr + 0x200);
printf("srp: FECR %x\n", *fecr);
#endif
hc = srattach_pci(unit, plx_vaddr, sca_vaddr);
if(!hc)
return;
if(!pci_map_int(config_id, srintr_hc, (void *)hc, &net_imask)) {
free(hc, M_DEVBUF);
return;
}
}