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/* $OpenBSD: if_ti_sbus.c,v 1.1 2009/08/29 21:30:48 kettenis Exp $ */
/*
* Copyright (c) 2009 Mark Kettenis
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#include <machine/autoconf.h>
#include <machine/bus.h>
extern struct sparc_bus_dma_tag *iommu_dmatag;
#include <dev/pci/pcireg.h>
#include <dev/ic/tireg.h>
#include <dev/ic/tivar.h>
struct ti_sbus_softc {
struct ti_softc tsc_sc;
struct intrhand tsc_ih;
struct rom_reg tsc_rr;
};
int ti_sbus_match(struct device *, void *, void *);
void ti_sbus_attach(struct device *, struct device *, void *);
struct cfattach ti_sbus_ca = {
sizeof(struct ti_sbus_softc), ti_sbus_match, ti_sbus_attach
};
int
ti_sbus_match(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
struct romaux *ra = &ca->ca_ra;
return (strcmp("SUNW,vge", ra->ra_name) == 0);
}
void
ti_sbus_attach(struct device *parent, struct device *self, void *aux)
{
struct confargs *ca = aux;
struct ti_sbus_softc *tsc = (void *)self;
struct ti_softc *sc = &tsc->tsc_sc;
bus_space_handle_t ioh;
/* Pass on the bus tags */
tsc->tsc_rr = ca->ca_ra.ra_reg[1];
sc->ti_btag = &tsc->tsc_rr;
sc->sc_dmatag = iommu_dmatag;
if (ca->ca_ra.ra_nintr < 1) {
printf(": no interrupt\n");
return;
}
if (ca->ca_ra.ra_nreg < 2) {
printf(": only %d register sets\n", ca->ca_ra.ra_nreg);
return;
}
if (bus_space_map(&ca->ca_ra.ra_reg[1], 0,
ca->ca_ra.ra_reg[1].rr_len, 0, &sc->ti_bhandle)) {
printf(": can't map registers\n");
return;
}
if (bus_space_map(&ca->ca_ra.ra_reg[0], 0,
ca->ca_ra.ra_reg[0].rr_len, 0, &ioh)) {
printf(": can't map registers\n");
goto fail;
}
tsc->tsc_ih.ih_fun = ti_intr;
tsc->tsc_ih.ih_arg = sc;
intr_establish(ca->ca_ra.ra_intr[0].int_pri, &tsc->tsc_ih,
IPL_NET, self->dv_xname);
bus_space_write_4(sc->ti_btag, ioh, TI_PCI_CMDSTAT, 0x02000006);
bus_space_write_4(sc->ti_btag, ioh, TI_PCI_BIST, 0xffffffff);
bus_space_write_4(sc->ti_btag, ioh, TI_PCI_LOMEM, 0x00000400);
bus_space_unmap(&ca->ca_ra.ra_reg[0], ioh, ca->ca_ra.ra_reg[0].rr_len);
sc->ti_sbus = 1;
if (ti_attach(sc) == 0)
return;
fail:
bus_space_unmap(&ca->ca_ra.ra_reg[1], sc->ti_bhandle,
ca->ca_ra.ra_reg[1].rr_len);
}
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