508 lines
13 KiB
C
508 lines
13 KiB
C
/* $NetBSD: if_fpa.c,v 1.48 2007/03/04 06:02:20 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
|
|
* 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. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
|
|
*
|
|
* Id: if_fpa.c,v 1.11 1997/06/05 01:56:35 thomas Exp
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* DEC PDQ FDDI Controller; code for BSD derived operating systems
|
|
*
|
|
* This module supports the DEC DEFPA PCI FDDI Controller
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: if_fpa.c,v 1.48 2007/03/04 06:02:20 christos Exp $");
|
|
|
|
#ifdef __NetBSD__
|
|
#include "opt_inet.h"
|
|
#endif
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/malloc.h>
|
|
#if defined(__FreeBSD__) && BSD < 199401
|
|
#include <sys/devconf.h>
|
|
#elif defined(__bsdi__) || defined(__NetBSD__)
|
|
#include <sys/device.h>
|
|
#endif
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_types.h>
|
|
#include <net/if_dl.h>
|
|
#include <net/route.h>
|
|
|
|
#include "bpfilter.h"
|
|
#if NBPFILTER > 0
|
|
#include <net/bpf.h>
|
|
#include <net/bpfdesc.h>
|
|
#endif
|
|
|
|
#if defined(__FreeBSD__)
|
|
#include <netinet/if_fddi.h>
|
|
#else
|
|
#include <net/if_fddi.h>
|
|
#endif
|
|
|
|
#if defined(__FreeBSD__)
|
|
#include <vm/vm.h>
|
|
#include "fpa.h"
|
|
#include <netinet/if_ether.h>
|
|
#include <pci/pcivar.h>
|
|
#include <i386/isa/icu.h>
|
|
#include <dev/pdq/pdqvar.h>
|
|
#include <dev/pdq/pdqreg.h>
|
|
#elif defined(__bsdi__)
|
|
#include <netinet/if_ether.h>
|
|
#include <i386/isa/isavar.h>
|
|
#include <i386/isa/icu.h>
|
|
#ifndef DRQNONE
|
|
#define DRQNONE 0
|
|
#endif
|
|
#if _BSDI_VERSION < 199401
|
|
#define IRQSHARE 0
|
|
#endif
|
|
#include <i386/pci/pci.h>
|
|
#include <dev/pdq/pdqvar.h>
|
|
#include <dev/pdq/pdqreg.h>
|
|
#elif defined(__NetBSD__)
|
|
#include <dev/pci/pcidevs.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/ic/pdqvar.h>
|
|
#include <dev/ic/pdqreg.h>
|
|
#endif /* __NetBSD__ */
|
|
|
|
|
|
#define DEC_VENDORID 0x1011
|
|
#define DEFPA_CHIPID 0x000F
|
|
#define PCI_VENDORID(x) ((x) & 0xFFFF)
|
|
#define PCI_CHIPID(x) (((x) >> 16) & 0xFFFF)
|
|
|
|
#define DEFPA_LATENCY 0x88
|
|
|
|
#define PCI_CFLT 0x0C /* Configuration Latency */
|
|
#define PCI_CBMA 0x10 /* Configuration Base Memory Address */
|
|
#define PCI_CBIO 0x14 /* Configuration Base I/O Address */
|
|
|
|
#if defined(__FreeBSD__)
|
|
#if NFPA < 4
|
|
#undef NFPA
|
|
#define NFPA 4
|
|
#endif
|
|
static pdq_softc_t *pdqs_pci[NFPA];
|
|
#define PDQ_PCI_UNIT_TO_SOFTC(unit) (pdqs_pci[unit])
|
|
#if BSD >= 199506
|
|
#define pdq_pci_ifwatchdog NULL
|
|
static void pdq_pci_shutdown(int howto, void *sc);
|
|
#endif
|
|
|
|
#elif defined(__bsdi__)
|
|
extern struct cfdriver fpacd;
|
|
#define PDQ_PCI_UNIT_TO_SOFTC(unit) ((pdq_softc_t *)fpacd.cd_devs[unit])
|
|
|
|
#elif defined(__NetBSD__)
|
|
extern struct cfdriver fpa_cd;
|
|
#define PDQ_PCI_UNIT_TO_SOFTC(unit) ((pdq_softc_t *)fpa_cd.cd_devs[unit])
|
|
#define pdq_pci_ifwatchdog NULL
|
|
#endif
|
|
|
|
#ifndef pdq_pci_ifwatchdog
|
|
static ifnet_ret_t
|
|
pdq_pci_ifwatchdog(
|
|
int unit)
|
|
{
|
|
pdq_ifwatchdog(&PDQ_PCI_UNIT_TO_SOFTC(unit)->sc_if);
|
|
}
|
|
#endif
|
|
|
|
#if defined(__FreeBSD__) && BSD >= 199506
|
|
static void
|
|
pdq_pci_ifintr(
|
|
void *arg)
|
|
{
|
|
(void) pdq_interrupt(((pdq_softc_t *) arg)->sc_pdq);
|
|
}
|
|
#else
|
|
static int
|
|
pdq_pci_ifintr(
|
|
void *arg)
|
|
{
|
|
pdq_softc_t * const sc = (pdq_softc_t *) arg;
|
|
#ifdef __FreeBSD__
|
|
return pdq_interrupt(sc->sc_pdq);
|
|
#elif defined(__bsdi__) || defined(__NetBSD__)
|
|
(void) pdq_interrupt(sc->sc_pdq);
|
|
return 1;
|
|
#endif
|
|
}
|
|
#endif /* __FreeBSD && BSD */
|
|
|
|
#if defined(__FreeBSD__)
|
|
/*
|
|
* This is the PCI configuration support. Since the PDQ is available
|
|
* on both EISA and PCI boards, one must be careful in how defines the
|
|
* PDQ in the config file.
|
|
*/
|
|
static char *
|
|
pdq_pci_probe(
|
|
pcici_t config_id,
|
|
pcidi_t device_id)
|
|
{
|
|
if (PCI_VENDORID(device_id) == DEC_VENDORID &&
|
|
PCI_CHIPID(device_id) == DEFPA_CHIPID)
|
|
return "Digital DEFPA PCI FDDI Controller";
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
pdq_pci_attach(
|
|
pcici_t config_id,
|
|
int unit)
|
|
{
|
|
pdq_softc_t *sc;
|
|
vaddr_t va_csrs;
|
|
paddr_t pa_csrs;
|
|
pdq_uint32_t data;
|
|
|
|
if (unit == NFPA) {
|
|
printf("fpa%d: not configured; kernel is built for only %d device%s.\n",
|
|
unit, NFPA, NFPA == 1 ? "" : "s");
|
|
return;
|
|
}
|
|
|
|
data = pci_conf_read(config_id, PCI_CFLT);
|
|
if ((data & 0xFF00) < (DEFPA_LATENCY << 8)) {
|
|
data &= ~0xFF00;
|
|
data |= DEFPA_LATENCY << 8;
|
|
pci_conf_write(config_id, PCI_CFLT, data);
|
|
}
|
|
|
|
sc = (pdq_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT|M_ZERO);
|
|
if (sc == NULL)
|
|
return;
|
|
|
|
if (!pci_map_mem(config_id, PCI_CBMA, &va_csrs, &pa_csrs)) {
|
|
free((void *) sc, M_DEVBUF);
|
|
return;
|
|
}
|
|
|
|
sc->sc_if.if_name = "fpa";
|
|
sc->sc_if.if_unit = unit;
|
|
sc->sc_membase = (pdq_bus_memaddr_t) va_csrs;
|
|
sc->sc_pdq = pdq_initialize(PDQ_BUS_PCI, sc->sc_membase,
|
|
sc->sc_if.if_name, sc->sc_if.if_unit,
|
|
(void *) sc, PDQ_DEFPA);
|
|
if (sc->sc_pdq == NULL) {
|
|
free((void *) sc, M_DEVBUF);
|
|
return;
|
|
}
|
|
bcopy((void *) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes, sc->sc_ac.ac_enaddr, 6);
|
|
pdqs_pci[unit] = sc;
|
|
pdq_ifattach(sc, pdq_pci_ifwatchdog);
|
|
pci_map_int(config_id, pdq_pci_ifintr, (void*) sc, &net_imask);
|
|
#if BSD >= 199506
|
|
at_shutdown(pdq_pci_shutdown, (void *) sc, SHUTDOWN_POST_SYNC);
|
|
#endif
|
|
}
|
|
|
|
#if BSD < 199401
|
|
static int
|
|
pdq_pci_shutdown(
|
|
struct kern_devconf *kdc,
|
|
int force)
|
|
{
|
|
if (kdc->kdc_unit < NFPA)
|
|
pdq_hwreset(PDQ_PCI_UNIT_TO_SOFTC(kdc->kdc_unit)->sc_pdq);
|
|
(void) dev_detach(kdc);
|
|
return 0;
|
|
}
|
|
#else
|
|
static void
|
|
pdq_pci_shutdown(
|
|
int howto,
|
|
void *sc)
|
|
{
|
|
pdq_hwreset(((pdq_softc_t *)sc)->sc_pdq);
|
|
}
|
|
#endif
|
|
|
|
static u_long pdq_pci_count;
|
|
|
|
struct pci_device fpadevice = {
|
|
"fpa",
|
|
pdq_pci_probe,
|
|
pdq_pci_attach,
|
|
&pdq_pci_count,
|
|
#if BSD < 199401
|
|
pdq_pci_shutdown,
|
|
#endif
|
|
};
|
|
|
|
#ifdef DATA_SET
|
|
DATA_SET (pcidevice_set, fpadevice);
|
|
#endif
|
|
#elif defined(__bsdi__)
|
|
|
|
static int
|
|
pdq_pci_match(
|
|
pci_devaddr_t *pa)
|
|
{
|
|
int irq;
|
|
int id;
|
|
|
|
id = pci_inl(pa, PCI_VENDOR_ID);
|
|
if (PCI_VENDORID(id) != DEC_VENDORID || PCI_CHIPID(id) != DEFPA_CHIPID)
|
|
return 0;
|
|
|
|
irq = pci_inl(pa, PCI_I_LINE) & 0xFF;
|
|
if (irq == 0 || irq >= 16)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
pdq_pci_probe(
|
|
struct device *parent,
|
|
struct cfdata *cf,
|
|
void *aux)
|
|
{
|
|
struct isa_attach_args *ia = (struct isa_attach_args *) aux;
|
|
pdq_uint32_t irq, data;
|
|
pci_devaddr_t *pa;
|
|
|
|
pa = pci_scan(pdq_pci_match);
|
|
if (pa == NULL)
|
|
return 0;
|
|
|
|
irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF));
|
|
|
|
if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) {
|
|
printf("fpa%d: error: desired IRQ of %d does not match device's actual IRQ of %d\n",
|
|
cf->cf_unit,
|
|
ffs(ia->ia_irq) - 1, ffs(irq) - 1);
|
|
return 0;
|
|
}
|
|
if (ia->ia_irq == IRQUNK) {
|
|
(void) isa_irqalloc(irq);
|
|
ia->ia_irq = irq;
|
|
}
|
|
|
|
/* PCI bus masters don't use host DMA channels */
|
|
ia->ia_drq = DRQNONE;
|
|
|
|
/* Get the memory base address; assume the BIOS set it up correctly */
|
|
ia->ia_maddr = (void *) (pci_inl(pa, PCI_CBMA) & ~7);
|
|
pci_outl(pa, PCI_CBMA, 0xFFFFFFFF);
|
|
ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1;
|
|
pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr);
|
|
|
|
/* Disable I/O space access */
|
|
pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1);
|
|
ia->ia_iobase = 0;
|
|
ia->ia_iosize = 0;
|
|
|
|
/* Make sure the latency timer is what the DEFPA likes */
|
|
data = pci_inl(pa, PCI_CFLT);
|
|
if ((data & 0xFF00) < (DEFPA_LATENCY << 8)) {
|
|
data &= ~0xFF00;
|
|
data |= DEFPA_LATENCY << 8;
|
|
pci_outl(pa, PCI_CFLT, data);
|
|
}
|
|
ia->ia_irq |= IRQSHARE;
|
|
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
pdq_pci_attach(
|
|
struct device *parent,
|
|
struct device *self,
|
|
void *aux)
|
|
{
|
|
pdq_softc_t *sc = (pdq_softc_t *) self;
|
|
struct isa_attach_args *ia = (struct isa_attach_args *) aux;
|
|
struct ifnet *ifp = &sc->sc_if;
|
|
int i;
|
|
|
|
sc->sc_if.if_unit = sc->sc_dev.dv_unit;
|
|
sc->sc_if.if_name = "fpa";
|
|
sc->sc_if.if_flags = 0;
|
|
sc->sc_membase = (pdq_bus_memaddr_t) mapphys((vaddr_t)ia->ia_maddr, ia->ia_msize);
|
|
|
|
sc->sc_pdq = pdq_initialize(PDQ_BUS_PCI, sc->sc_membase,
|
|
sc->sc_if.if_name, sc->sc_if.if_unit,
|
|
(void *) sc, PDQ_DEFPA);
|
|
if (sc->sc_pdq == NULL) {
|
|
printf("fpa%d: initialization failed\n", sc->sc_if.if_unit);
|
|
return;
|
|
}
|
|
|
|
bcopy((void *) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes, sc->sc_ac.ac_enaddr, 6);
|
|
|
|
pdq_ifattach(sc, pdq_pci_ifwatchdog);
|
|
|
|
isa_establish(&sc->sc_id, &sc->sc_dev);
|
|
|
|
sc->sc_ih.ih_fun = pdq_pci_ifintr;
|
|
sc->sc_ih.ih_arg = (void *)sc;
|
|
intr_establish(ia->ia_irq, &sc->sc_ih, DV_NET);
|
|
|
|
sc->sc_ats.func = (void (*)(void *)) pdq_hwreset;
|
|
sc->sc_ats.arg = (void *) sc->sc_pdq;
|
|
atshutdown(&sc->sc_ats, ATSH_ADD);
|
|
}
|
|
|
|
struct cfdriver fpacd = {
|
|
0, "fpa", pdq_pci_probe, pdq_pci_attach,
|
|
#if _BSDI_VERSION >= 199401
|
|
DV_IFNET,
|
|
#endif
|
|
sizeof(pdq_softc_t)
|
|
};
|
|
|
|
#elif defined(__NetBSD__)
|
|
|
|
static int
|
|
pdq_pci_match(
|
|
struct device *parent,
|
|
struct cfdata *match,
|
|
void *aux)
|
|
{
|
|
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
|
|
|
|
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_DEC)
|
|
return 0;
|
|
if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_DEC_DEFPA)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
pdq_pci_attach(
|
|
struct device * const parent,
|
|
struct device * const self,
|
|
void *const aux)
|
|
{
|
|
pdq_softc_t * const sc = (pdq_softc_t *)self;
|
|
struct pci_attach_args * const pa = (struct pci_attach_args *) aux;
|
|
pdq_uint32_t data;
|
|
pci_intr_handle_t intrhandle;
|
|
const char *intrstr;
|
|
bus_space_tag_t iot, memt;
|
|
bus_space_handle_t ioh, memh;
|
|
int ioh_valid, memh_valid;
|
|
|
|
aprint_naive(": FDDI controller\n");
|
|
|
|
data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CFLT);
|
|
if ((data & 0xFF00) < (DEFPA_LATENCY << 8)) {
|
|
data &= ~0xFF00;
|
|
data |= DEFPA_LATENCY << 8;
|
|
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_CFLT, data);
|
|
}
|
|
|
|
strcpy(sc->sc_if.if_xname, sc->sc_dev.dv_xname);
|
|
sc->sc_if.if_flags = 0;
|
|
sc->sc_if.if_softc = sc;
|
|
|
|
ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
|
|
&iot, &ioh, NULL, NULL) == 0);
|
|
memh_valid = (pci_mapreg_map(pa, PCI_CBMA,
|
|
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
|
|
&memt, &memh, NULL, NULL) == 0);
|
|
|
|
#if defined(DEFPA_IOMAPED)
|
|
if (ioh_valid) {
|
|
sc->sc_csrtag = iot;
|
|
sc->sc_membase = ioh;
|
|
} else if (memh_valid) {
|
|
sc->sc_csrtag = memt;
|
|
sc->sc_membase = memh;
|
|
}
|
|
#else /* defined(DEFPA_IOMAPPED) */
|
|
if (memh_valid) {
|
|
sc->sc_csrtag = memt;
|
|
sc->sc_membase = memh;
|
|
} else if (ioh_valid) {
|
|
sc->sc_csrtag = iot;
|
|
sc->sc_membase = ioh;
|
|
}
|
|
#endif /* DEFPA_IOMAPPED */
|
|
else {
|
|
aprint_error(": unable to map device registers\n");
|
|
return;
|
|
}
|
|
|
|
sc->sc_dmatag = pa->pa_dmat;
|
|
|
|
/* Make sure bus mastering is enabled. */
|
|
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
|
|
pci_conf_read(pa->pa_pc, pa->pa_tag,
|
|
PCI_COMMAND_STATUS_REG) |
|
|
PCI_COMMAND_MASTER_ENABLE);
|
|
|
|
sc->sc_pdq = pdq_initialize(sc->sc_csrtag, sc->sc_membase,
|
|
sc->sc_if.if_xname, 0,
|
|
(void *) sc, PDQ_DEFPA);
|
|
if (sc->sc_pdq == NULL) {
|
|
aprint_error("%s: initialization failed\n", sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
|
|
pdq_ifattach(sc, pdq_pci_ifwatchdog);
|
|
|
|
if (pci_intr_map(pa, &intrhandle)) {
|
|
aprint_error("%s: couldn't map interrupt\n", self->dv_xname);
|
|
return;
|
|
}
|
|
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
|
|
sc->sc_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, pdq_pci_ifintr, sc);
|
|
if (sc->sc_ih == NULL) {
|
|
aprint_error("%s: couldn't establish interrupt", self->dv_xname);
|
|
if (intrstr != NULL)
|
|
aprint_normal(" at %s", intrstr);
|
|
aprint_normal("\n");
|
|
return;
|
|
}
|
|
|
|
sc->sc_ats = shutdownhook_establish((void (*)(void *)) pdq_hwreset, sc->sc_pdq);
|
|
if (sc->sc_ats == NULL)
|
|
aprint_error("%s: warning: couldn't establish shutdown hook\n", self->dv_xname);
|
|
if (intrstr != NULL)
|
|
aprint_normal("%s: interrupting at %s\n", self->dv_xname, intrstr);
|
|
}
|
|
|
|
CFATTACH_DECL(fpa, sizeof(pdq_softc_t),
|
|
pdq_pci_match, pdq_pci_attach, NULL, NULL);
|
|
|
|
#endif /* __NetBSD__ */
|