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/* $OpenBSD: if_le_pci.c,v 1.20 2003/06/02 23:28:03 millert Exp $ */
/* $NetBSD: if_le_pci.c,v 1.13 1996/10/25 21:33:32 cgd 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. 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 <uvm/uvm_extern.h>
#include <net/if.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#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
int le_pci_match(struct device *, void *, void *);
void le_pci_attach(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(struct am7990_softc *, u_int16_t, u_int16_t);
hide u_int16_t le_pci_rdcsr(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;
void *match, *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:
case PCI_PRODUCT_AMD_PCHOME_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, rseg;
const char *intrstr;
bus_dma_segment_t seg;
bus_dmamap_t dmamap;
caddr_t kva;
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_AMD_PCNET_PCI:
lesc->sc_rap = PCNET_PCI_RAP;
lesc->sc_rdp = PCNET_PCI_RDP;
break;
}
if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) {
printf(": can't find I/O base\n");
return;
}
if (bus_space_map(iot, iobase, iosize, 0, &ioh)) {
printf(": can't map I/O space\n");
return;
}
/*
* Extract the physical MAC address from the ROM.
*/
for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++)
sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(iot, ioh, i);
if (bus_dmamem_alloc(pa->pa_dmat, PCNET_MEMSIZE, PAGE_SIZE,
0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) {
printf(": couldn't allocate memory for card\n");
return;
}
if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, PCNET_MEMSIZE,
&kva, BUS_DMA_NOWAIT)) {
printf(": couldn't map memory for card\n");
bus_dmamem_free(pa->pa_dmat, &seg, rseg);
return;
}
if (bus_dmamap_create(pa->pa_dmat, PCNET_MEMSIZE, 1, PCNET_MEMSIZE,
0, BUS_DMA_NOWAIT, &dmamap)) {
printf(": couldn't create dma map\n");
bus_dmamem_unmap(pa->pa_dmat, kva, PCNET_MEMSIZE);
bus_dmamem_free(pa->pa_dmat, &seg, rseg);
return;
}
if (bus_dmamap_load(pa->pa_dmat, dmamap, kva, PCNET_MEMSIZE,
NULL, BUS_DMA_NOWAIT)) {
printf(": couldn't load dma map\n");
bus_dmamap_destroy(pa->pa_dmat, dmamap);
bus_dmamem_unmap(pa->pa_dmat, kva, PCNET_MEMSIZE);
bus_dmamem_free(pa->pa_dmat, &seg, rseg);
return;
}
sc->sc_mem = kva;
bzero(sc->sc_mem, PCNET_MEMSIZE);
printf("\n");
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 = PCNET_MEMSIZE;
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_hwreset = NULL;
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(pa, &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,
sc->sc_dev.dv_xname);
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);
}
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