Add PCI-specific configuration for PCnet-PCI.

This commit is contained in:
mycroft 1995-07-27 04:39:05 +00:00
parent 58f294f29c
commit c9f7b2a185
2 changed files with 136 additions and 90 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: if_le.c,v 1.34 1995/07/24 18:04:21 mycroft Exp $ */
/* $NetBSD: if_le.c,v 1.35 1995/07/27 04:39:05 mycroft Exp $ */
/*-
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
@ -60,16 +60,26 @@
#include <machine/cpu.h>
#include <machine/pio.h>
#include "isa.h"
#include "pci.h"
#if NISA > 0
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <i386/isa/isa_machdep.h>
#include <dev/isa/isadmavar.h>
#include <i386/isa/isa_machdep.h>
#endif
#if NPCI > 0
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#endif
#include <dev/isa/if_levar.h>
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
char *card_type[] = {"unknown", "BICC Isolan", "NE2100", "DEPCA"};
char *chip_type[] = {"unknown", "Am7990 LANCE", "Am79960 PCnet-ISA"};
char *card_type[] = {"unknown", "BICC Isolan", "NE2100", "DEPCA", "PCnet-ISA", "PCnet-PCI"};
#define LE_SOFTC(unit) lecd.cd_devs[unit]
#define LE_DELAY(x) delay(x)
@ -115,49 +125,34 @@ leprobe(parent, match, aux)
void *match, *aux;
{
struct le_softc *sc = match;
struct isa_attach_args *ia = aux;
extern struct cfdriver isacd, pcicd;
if (bicc_probe(sc, ia))
goto found;
if (ne2100_probe(sc, ia))
goto found;
if (depca_probe(sc, ia))
goto found;
return (0);
#if NISA > 0
if (parent->dv_cfdata->cf_driver == &isacd) {
struct isa_attach_args *ia = aux;
found:
if (sc->sc_card == DEPCA) {
u_char *mem, val;
int i;
mem = sc->sc_mem = ISA_HOLE_VADDR(ia->ia_maddr);
val = 0xff;
for (;;) {
for (i = 0; i < ia->ia_msize; i++)
mem[i] = val;
for (i = 0; i < ia->ia_msize; i++)
if (mem[i] != val) {
printf("%s: failed to clear memory\n",
sc->sc_dev.dv_xname);
return (0);
}
if (val == 0x00)
break;
val -= 0x55;
}
} else {
sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT);
if (!sc->sc_mem) {
printf("%s: couldn't allocate memory for card\n",
sc->sc_dev.dv_xname);
return (0);
}
if (bicc_probe(sc, ia))
return (1);
if (ne2100_probe(sc, ia))
return (1);
if (depca_probe(sc, ia))
return (1);
}
#endif
return (1);
#if NPCI > 0
if (parent->dv_cfdata->cf_driver == &pcicd) {
struct pci_attach_args *pa = aux;
if (pa->pa_id == 0x20001022)
return (1);
}
#endif
return (0);
}
#if NISA > 0
int
depca_probe(sc, ia)
struct le_softc *sc;
@ -172,7 +167,7 @@ depca_probe(sc, ia)
sc->sc_rdp = iobase + DEPCA_RDP;
sc->sc_card = DEPCA;
if ((sc->sc_chip = lance_probe(sc)) == 0)
if (lance_probe(sc) == 0)
return 0;
outb(iobase + DEPCA_CSR, DEPCA_CSR_DUM);
@ -251,7 +246,7 @@ ne2100_probe(sc, ia)
sc->sc_rdp = iobase + NE2100_RDP;
sc->sc_card = NE2100;
if ((sc->sc_chip = lance_probe(sc)) == 0)
if (lance_probe(sc) == 0)
return 0;
/*
@ -276,7 +271,7 @@ bicc_probe(sc, ia)
sc->sc_rdp = iobase + BICC_RDP;
sc->sc_card = BICC;
if ((sc->sc_chip = lance_probe(sc)) == 0)
if (lance_probe(sc) == 0)
return 0;
/*
@ -296,7 +291,6 @@ int
lance_probe(sc)
struct le_softc *sc;
{
int type;
/* Stop the LANCE chip and put it in a known state. */
lewrcsr(sc, LE_CSR0, LE_C0_STOP);
@ -305,26 +299,10 @@ lance_probe(sc)
if (lerdcsr(sc, LE_CSR0) != LE_C0_STOP)
return 0;
/*
* The PCnet-ISA chip doesn't allow some bits to be set.
*/
lewrcsr(sc, LE_CSR3, PROBE_MASK);
switch (lerdcsr(sc, LE_CSR3) & PROBE_MASK) {
case LANCE_MASK:
type = LANCE;
break;
case PCnet_ISA_MASK:
type = PCnet_ISA;
break;
default:
type = 0;
break;
}
lewrcsr(sc, LE_CSR3, sc->sc_conf3);
return type;
return 1;
}
#endif
void
leattach(parent, self, aux)
@ -332,7 +310,72 @@ leattach(parent, self, aux)
void *aux;
{
struct le_softc *sc = (void *)self;
struct isa_attach_args *ia = aux;
extern struct cfdriver isacd, pcicd;
#if NPCI > 0
if (parent->dv_cfdata->cf_driver == &pcicd) {
struct pci_attach_args *pa = aux;
int iobase;
if (pa->pa_id == 0x20001022) {
int i;
if (pci_map_io(pa->pa_tag, 0x10, &iobase))
return;
sc->sc_rap = iobase + NE2100_RAP;
sc->sc_rdp = iobase + NE2100_RDP;
sc->sc_card = PCnet_PCI;
/*
* 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] = inb(iobase + i);
}
}
#endif
#if NISA > 0
if (sc->sc_card == DEPCA) {
struct isa_attach_args *ia = aux;
u_char *mem, val;
int i;
mem = sc->sc_mem = ISA_HOLE_VADDR(ia->ia_maddr);
val = 0xff;
for (;;) {
for (i = 0; i < ia->ia_msize; i++)
mem[i] = val;
for (i = 0; i < ia->ia_msize; i++)
if (mem[i] != val) {
printf("%s: failed to clear memory\n",
sc->sc_dev.dv_xname);
return;
}
if (val == 0x00)
break;
val -= 0x55;
}
sc->sc_conf3 = LE_C3_ACON;
sc->sc_addr = 0;
sc->sc_memsize = ia->ia_msize;
} else
#endif
{
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;
}
sc->sc_conf3 = 0;
sc->sc_addr = kvtop(sc->sc_mem);
sc->sc_memsize = 16384;
}
sc->sc_copytodesc = copytobuf_contig;
sc->sc_copyfromdesc = copyfrombuf_contig;
@ -340,30 +383,37 @@ leattach(parent, self, aux)
sc->sc_copyfrombuf = copyfrombuf_contig;
sc->sc_zerobuf = zerobuf_contig;
if (sc->sc_card == DEPCA) {
sc->sc_conf3 = LE_C3_ACON;
sc->sc_addr = 0;
sc->sc_memsize = ia->ia_msize;
} else {
sc->sc_conf3 = 0;
sc->sc_addr = kvtop(sc->sc_mem);
sc->sc_memsize = 16384;
}
sc->sc_arpcom.ac_if.if_name = lecd.cd_name;
leconfig(sc);
printf("%s: type %s %s\n",
sc->sc_dev.dv_xname,
card_type[sc->sc_card], chip_type[sc->sc_chip]);
printf("%s: type %s\n", sc->sc_dev.dv_xname, card_type[sc->sc_card]);
if (ia->ia_drq != DRQUNK)
isa_dmacascade(ia->ia_drq);
#if NISA > 0
if (parent->dv_cfdata->cf_driver == &isacd) {
struct isa_attach_args *ia = aux;
sc->sc_ih = isa_intr_establish(ia->ia_irq, ISA_IST_EDGE, ISA_IPL_NET,
leintredge, sc);
if (ia->ia_drq != DRQUNK)
isa_dmacascade(ia->ia_drq);
sc->sc_ih = isa_intr_establish(ia->ia_irq, ISA_IST_EDGE,
ISA_IPL_NET, leintredge, sc);
}
#endif
#if NPCI > 0
if (parent->dv_cfdata->cf_driver == &pcicd) {
struct pci_attach_args *pa = aux;
pci_conf_write(pa->pa_tag, PCI_COMMAND_STATUS_REG,
pci_conf_read(pa->pa_tag, PCI_COMMAND_STATUS_REG) |
PCI_COMMAND_MASTER_ENABLE);
sc->sc_ih = pci_map_int(pa->pa_tag, PCI_IPL_NET, leintr, sc);
}
#endif
}
#if NISA > 0
/*
* Controller interrupt.
*/
@ -377,6 +427,7 @@ leintredge(arg)
if (leintr(arg) == 0)
return (1);
}
#endif
/*
* Routines for accessing the transmit and receive buffers.

View File

@ -1,4 +1,4 @@
/* $NetBSD: if_levar.h,v 1.1 1995/07/24 18:04:39 mycroft Exp $ */
/* $NetBSD: if_levar.h,v 1.2 1995/07/27 04:39:08 mycroft Exp $ */
/*
* LANCE Ethernet driver header file
@ -19,6 +19,8 @@
#define BICC_RAP 0xe
#define NE2100 2
#define PCnet_ISA 4
#define PCnet_PCI 5
#define NE2100_RDP 0x10
#define NE2100_RAP 0x12
@ -35,13 +37,6 @@
#define DEPCA_RAP 0x6
#define DEPCA_ADP 0xc
/* Chip types */
#define PROBE_MASK 0x0007
#define LANCE 1
#define LANCE_MASK 0x0007
#define PCnet_ISA 2
#define PCnet_ISA_MASK 0x0000
/*
* Ethernet software status per interface.
*
@ -82,6 +77,6 @@ struct le_softc {
#endif
void *sc_ih;
int sc_chip, sc_card;
int sc_card;
int sc_rap, sc_rdp; /* LANCE registers */
};