253 lines
6.9 KiB
C
253 lines
6.9 KiB
C
/* $NetBSD: if_le_pci.c,v 1.16 1997/03/17 03:19:10 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Ralph Campbell and Rick Macklem.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*
|
|
* @(#)if_le.c 8.2 (Berkeley) 11/16/93
|
|
*/
|
|
|
|
#include "bpfilter.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/syslog.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <vm/vm.h>
|
|
#include <vm/vm_kern.h>
|
|
#include <vm/vm_param.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_ether.h>
|
|
#include <net/if_media.h>
|
|
|
|
#ifdef INET
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_inarp.h>
|
|
#endif
|
|
|
|
#include <vm/vm.h>
|
|
|
|
#include <machine/cpu.h>
|
|
#include <machine/bus.h>
|
|
#include <machine/intr.h>
|
|
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcidevs.h>
|
|
|
|
#include <dev/ic/am7990reg.h>
|
|
#include <dev/ic/am7990var.h>
|
|
|
|
#include <dev/pci/if_levar.h>
|
|
|
|
#ifdef __alpha__ /* XXX */
|
|
/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
|
|
#undef vtophys
|
|
#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)(va))
|
|
#endif
|
|
|
|
#ifdef __BROKEN_INDIRECT_CONFIG
|
|
int le_pci_match __P((struct device *, void *, void *));
|
|
#else
|
|
int le_pci_match __P((struct device *, struct cfdata *, void *));
|
|
#endif
|
|
void le_pci_attach __P((struct device *, struct device *, void *));
|
|
|
|
struct cfattach le_pci_ca = {
|
|
sizeof(struct le_softc), le_pci_match, le_pci_attach
|
|
};
|
|
|
|
hide void le_pci_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
|
|
hide u_int16_t le_pci_rdcsr __P((struct am7990_softc *, u_int16_t));
|
|
|
|
/*
|
|
* PCI constants.
|
|
* XXX These should be in a common file!
|
|
*/
|
|
#define PCI_CBIO 0x10 /* Configuration Base IO Address */
|
|
|
|
hide void
|
|
le_pci_wrcsr(sc, port, val)
|
|
struct am7990_softc *sc;
|
|
u_int16_t port, val;
|
|
{
|
|
struct le_softc *lesc = (struct le_softc *)sc;
|
|
bus_space_tag_t iot = lesc->sc_iot;
|
|
bus_space_handle_t ioh = lesc->sc_ioh;
|
|
|
|
bus_space_write_2(iot, ioh, lesc->sc_rap, port);
|
|
bus_space_write_2(iot, ioh, lesc->sc_rdp, val);
|
|
}
|
|
|
|
hide u_int16_t
|
|
le_pci_rdcsr(sc, port)
|
|
struct am7990_softc *sc;
|
|
u_int16_t port;
|
|
{
|
|
struct le_softc *lesc = (struct le_softc *)sc;
|
|
bus_space_tag_t iot = lesc->sc_iot;
|
|
bus_space_handle_t ioh = lesc->sc_ioh;
|
|
u_int16_t val;
|
|
|
|
bus_space_write_2(iot, ioh, lesc->sc_rap, port);
|
|
val = bus_space_read_2(iot, ioh, lesc->sc_rdp);
|
|
return (val);
|
|
}
|
|
|
|
int
|
|
le_pci_match(parent, match, aux)
|
|
struct device *parent;
|
|
#ifdef __BROKEN_INDIRECT_CONFIG
|
|
void *match;
|
|
#else
|
|
struct cfdata *match;
|
|
#endif
|
|
void *aux;
|
|
{
|
|
struct pci_attach_args *pa = aux;
|
|
|
|
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_AMD)
|
|
return (0);
|
|
|
|
switch (PCI_PRODUCT(pa->pa_id)) {
|
|
case PCI_PRODUCT_AMD_PCNET_PCI:
|
|
return (1);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
le_pci_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct le_softc *lesc = (void *)self;
|
|
struct am7990_softc *sc = &lesc->sc_am7990;
|
|
struct pci_attach_args *pa = aux;
|
|
pci_intr_handle_t ih;
|
|
bus_addr_t iobase;
|
|
bus_size_t iosize;
|
|
bus_space_handle_t ioh;
|
|
bus_space_tag_t iot = pa->pa_iot;
|
|
pci_chipset_tag_t pc = pa->pa_pc;
|
|
pcireg_t csr;
|
|
int i;
|
|
const char *model, *intrstr;
|
|
|
|
switch (PCI_PRODUCT(pa->pa_id)) {
|
|
case PCI_PRODUCT_AMD_PCNET_PCI:
|
|
model = "PCnet-PCI Ethernet";
|
|
lesc->sc_rap = PCNET_PCI_RAP;
|
|
lesc->sc_rdp = PCNET_PCI_RDP;
|
|
break;
|
|
|
|
default:
|
|
model = "unknown model!";
|
|
}
|
|
|
|
printf(": %s\n", model);
|
|
|
|
if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) {
|
|
printf("%s: can't find I/O base\n", sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
if (bus_space_map(iot, iobase, iosize, 0, &ioh)) {
|
|
printf("%s: can't map I/O space\n", sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Extract the physical MAC address from the ROM.
|
|
*/
|
|
for (i = 0; i < sizeof(sc->sc_enaddr); i++)
|
|
sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, i);
|
|
|
|
sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT);
|
|
if (sc->sc_mem == 0) {
|
|
printf("%s: couldn't allocate memory for card\n",
|
|
sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
|
|
lesc->sc_iot = iot;
|
|
lesc->sc_ioh = ioh;
|
|
|
|
sc->sc_conf3 = 0;
|
|
sc->sc_addr = vtophys(sc->sc_mem); /* XXX XXX XXX */
|
|
sc->sc_memsize = 16384;
|
|
|
|
sc->sc_copytodesc = am7990_copytobuf_contig;
|
|
sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
|
|
sc->sc_copytobuf = am7990_copytobuf_contig;
|
|
sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
|
|
sc->sc_zerobuf = am7990_zerobuf_contig;
|
|
|
|
sc->sc_rdcsr = le_pci_rdcsr;
|
|
sc->sc_wrcsr = le_pci_wrcsr;
|
|
sc->sc_hwinit = NULL;
|
|
|
|
printf("%s", sc->sc_dev.dv_xname);
|
|
am7990_config(sc);
|
|
|
|
/* Enable the card. */
|
|
csr = pci_conf_read(pc, pa->pa_tag,
|
|
PCI_COMMAND_STATUS_REG);
|
|
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
|
|
csr | PCI_COMMAND_MASTER_ENABLE);
|
|
|
|
/* Map and establish the interrupt. */
|
|
if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
|
|
pa->pa_intrline, &ih)) {
|
|
printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
intrstr = pci_intr_string(pc, ih);
|
|
lesc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, am7990_intr, sc);
|
|
if (lesc->sc_ih == NULL) {
|
|
printf("%s: couldn't establish interrupt",
|
|
sc->sc_dev.dv_xname);
|
|
if (intrstr != NULL)
|
|
printf(" at %s", intrstr);
|
|
printf("\n");
|
|
return;
|
|
}
|
|
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
|
|
}
|