freebsd-dev/sys/pci/if_vx_pci.c
1999-01-12 02:09:33 +00:00

144 lines
4.0 KiB
C

/*
* Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
* 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.
*
*/
#include "pci.h"
#if NPCI > 0
#include "vx.h"
#if NVX > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <pci/pcivar.h>
#include <dev/vx/if_vxreg.h>
static void vx_pci_shutdown(int, void *);
static const char *vx_pci_probe(pcici_t, pcidi_t);
static void vx_pci_attach(pcici_t, int unit);
static void
vx_pci_shutdown(
int howto,
void *sc)
{
vxstop(sc);
vxfree(sc);
}
static const char*
vx_pci_probe(
pcici_t config_id,
pcidi_t device_id)
{
if(device_id == 0x590010b7ul)
return "3COM 3C590 Etherlink III PCI";
if(device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
device_id == 0x595210b7ul)
return "3COM 3C595 Fast Etherlink III PCI";
/*
* The (Fast) Etherlink XL adapters are now supported by
* the xl driver, which uses bus master DMA and is much
* faster. (And which also supports the 3c905B.
*/
#ifdef VORTEX_ETHERLINK_XL
if(device_id == 0x900010b7ul || device_id == 0x900110b7ul)
return "3COM 3C900 Etherlink XL PCI";
if(device_id == 0x905010b7ul || device_id == 0x905110b7ul)
return "3COM 3C905 Fast Etherlink XL PCI";
#endif
return NULL;
}
static void
vx_pci_attach(
pcici_t config_id,
int unit)
{
struct vx_softc *sc;
if (unit >= NVX) {
printf("vx%d: not configured; kernel is built for only %d device%s.\n",
unit, NVX, NVX == 1 ? "" : "s");
return;
}
if ((sc = vxalloc(unit)) == NULL) {
return;
}
sc->vx_io_addr = pci_conf_read(config_id, 0x10) & 0xffffffe0;
if (vxattach(sc) == 0) {
return;
}
/* defect check for 3C590 */
if ((pci_conf_read(config_id, 0) >> 16) == 0x5900) {
GO_WINDOW(0);
if (vxbusyeeprom(sc))
return;
outw(BASE + VX_W0_EEPROM_COMMAND, EEPROM_CMD_RD | EEPROM_SOFT_INFO_2);
if (vxbusyeeprom(sc))
return;
if (!(inw(BASE + VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) {
printf("Warning! Defective early revision adapter!\n");
}
}
/*
* Add shutdown hook so that DMA is disabled prior to reboot. Not
* doing do could allow DMA to corrupt kernel memory during the
* reboot before the driver initializes.
*/
at_shutdown(vx_pci_shutdown, sc, SHUTDOWN_POST_SYNC);
pci_map_int(config_id, vxintr, (void *) sc, &net_imask);
}
static struct pci_device vxdevice = {
"vx",
vx_pci_probe,
vx_pci_attach,
&vx_count,
NULL
};
DATA_SET (pcidevice_set, vxdevice);
#endif /* NVX */
#endif /* NPCI */