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/* $OpenBSD: if_ti_sbus.c,v 1.5 2022/03/13 13:34:54 mpi 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 <sys/systm.h>
#include <net/if.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/autoconf.h>
#include <dev/sbus/sbusvar.h>
#include <dev/pci/pcireg.h>
#include <dev/ic/tireg.h>
#include <dev/ic/tivar.h>
struct ti_sbus_softc {
struct ti_softc tsc_sc;
};
int ti_sbus_match(struct device *, void *, void *);
void ti_sbus_attach(struct device *, struct device *, void *);
const 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 sbus_attach_args *sa = aux;
return (strcmp("SUNW,vge", sa->sa_name) == 0);
}
void
ti_sbus_attach(struct device *parent, struct device *self, void *aux)
{
struct sbus_attach_args *sa = 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 */
sc->ti_btag = sa->sa_bustag;
sc->sc_dmatag = sa->sa_dmatag;
if (sa->sa_nintr < 1) {
printf(": no interrupt\n");
return;
}
if (sa->sa_nreg < 2) {
printf(": only %d register sets\n", sa->sa_nreg);
return;
}
if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[1].sbr_slot,
sa->sa_reg[1].sbr_offset, sa->sa_reg[1].sbr_size,
0, 0, &sc->ti_bhandle)) {
printf(": can't map registers\n");
return;
}
if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot,
sa->sa_reg[0].sbr_offset, sa->sa_reg[0].sbr_size,
0, 0, &ioh)) {
printf(": can't map registers\n");
goto unmap;
}
bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, 0, ti_intr,
sc, self->dv_xname);
bus_space_write_4(sa->sa_bustag, ioh, TI_PCI_CMDSTAT, 0x02000006);
bus_space_write_4(sa->sa_bustag, ioh, TI_PCI_BIST, 0xffffffff);
bus_space_write_4(sa->sa_bustag, ioh, TI_PCI_LOMEM, 0x00000400);
bus_space_unmap(sa->sa_bustag, ioh, sa->sa_reg[0].sbr_size);
sc->ti_sbus = 1;
if (ti_attach(sc) == 0)
return;
unmap:
bus_space_unmap(sa->sa_bustag, sc->ti_bhandle,
sa->sa_reg[1].sbr_size);
}
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