224 lines
6.5 KiB
C
224 lines
6.5 KiB
C
/* $NetBSD: bootbus.c,v 1.9 2003/01/01 02:20:47 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jason R. Thorpe.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
/*
|
|
* Autoconfiguration support for Sun4d "bootbus".
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <machine/autoconf.h>
|
|
#include <machine/bus.h>
|
|
|
|
#include <sparc/sparc/cpuunitvar.h>
|
|
#include <sparc/dev/bootbusvar.h>
|
|
|
|
#include "locators.h"
|
|
|
|
struct bootbus_softc {
|
|
struct device sc_dev;
|
|
int sc_node; /* our OBP node */
|
|
|
|
bus_space_tag_t sc_st; /* ours */
|
|
bus_space_tag_t sc_bustag; /* passed on to children */
|
|
};
|
|
|
|
static int bootbus_match(struct device *, struct cfdata *, void *);
|
|
static void bootbus_attach(struct device *, struct device *, void *);
|
|
|
|
CFATTACH_DECL(bootbus, sizeof(struct bootbus_softc),
|
|
bootbus_match, bootbus_attach, NULL, NULL);
|
|
|
|
static int bootbus_submatch(struct device *, struct cfdata *, void *);
|
|
static int bootbus_print(void *, const char *);
|
|
|
|
static int bootbus_setup_attach_args(struct bootbus_softc *, bus_space_tag_t,
|
|
int, struct bootbus_attach_args *);
|
|
static void bootbus_destroy_attach_args(struct bootbus_attach_args *);
|
|
|
|
static int
|
|
bootbus_match(struct device *parent, struct cfdata *cf, void *aux)
|
|
{
|
|
struct cpuunit_attach_args *cpua = aux;
|
|
|
|
if (strcmp(cpua->cpua_name, cf->cf_name) == 0)
|
|
return (1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
bootbus_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct bootbus_softc *sc = (void *) self;
|
|
struct cpuunit_attach_args *cpua = aux;
|
|
int node, error;
|
|
|
|
sc->sc_node = cpua->cpua_node;
|
|
sc->sc_st = cpua->cpua_bustag;
|
|
|
|
printf("\n");
|
|
|
|
/*
|
|
* Initialize the bus space tag we pass on to our children.
|
|
*/
|
|
sc->sc_bustag = malloc(sizeof(*sc->sc_bustag), M_DEVBUF,
|
|
M_WAITOK|M_ZERO);
|
|
sc->sc_bustag->cookie = sc;
|
|
sc->sc_bustag->parent = sc->sc_st;
|
|
sc->sc_bustag->sparc_bus_map = sc->sc_st->sparc_bus_map;
|
|
sc->sc_bustag->sparc_bus_mmap = sc->sc_st->sparc_bus_mmap;
|
|
|
|
/*
|
|
* Collect address translations from the OBP.
|
|
*/
|
|
error = PROM_getprop(sc->sc_node, "ranges",
|
|
sizeof(struct openprom_range), &sc->sc_bustag->nranges,
|
|
(void **) &sc->sc_bustag->ranges);
|
|
if (error) {
|
|
printf("%s: error %d getting \"ranges\" property\n",
|
|
sc->sc_dev.dv_xname, error);
|
|
panic("bootbus_attach");
|
|
}
|
|
|
|
/* Attach the CPU (and possibly bootbus) child nodes. */
|
|
for (node = firstchild(sc->sc_node); node != 0;
|
|
node = nextsibling(node)) {
|
|
struct bootbus_attach_args baa;
|
|
|
|
if (bootbus_setup_attach_args(sc, sc->sc_bustag, node, &baa))
|
|
panic("bootbus_attach: failed to set up attach args");
|
|
|
|
(void) config_found_sm(&sc->sc_dev, &baa, bootbus_print,
|
|
bootbus_submatch);
|
|
|
|
bootbus_destroy_attach_args(&baa);
|
|
}
|
|
}
|
|
|
|
static int
|
|
bootbus_submatch(struct device *parent, struct cfdata *cf, void *aux)
|
|
{
|
|
struct bootbus_attach_args *baa = aux;
|
|
|
|
if (cf->cf_loc[BOOTBUSCF_SLOT] != BOOTBUSCF_SLOT_DEFAULT &&
|
|
cf->cf_loc[BOOTBUSCF_SLOT] != baa->ba_slot)
|
|
return (0);
|
|
|
|
if (cf->cf_loc[BOOTBUSCF_OFFSET] != BOOTBUSCF_OFFSET_DEFAULT &&
|
|
cf->cf_loc[BOOTBUSCF_OFFSET] != baa->ba_offset)
|
|
return (0);
|
|
|
|
return (config_match(parent, cf, aux));
|
|
}
|
|
|
|
static int
|
|
bootbus_print(void *aux, const char *pnp)
|
|
{
|
|
struct bootbus_attach_args *baa = aux;
|
|
int i;
|
|
|
|
if (pnp)
|
|
aprint_normal("%s at %s", baa->ba_name, pnp);
|
|
aprint_normal(" slot %d offset 0x%x", baa->ba_slot, baa->ba_offset);
|
|
for (i = 0; i < baa->ba_nintr; i++)
|
|
aprint_normal(" ipl %d", baa->ba_intr[i].oi_pri);
|
|
|
|
return (UNCONF);
|
|
}
|
|
|
|
static int
|
|
bootbus_setup_attach_args(struct bootbus_softc *sc, bus_space_tag_t bustag,
|
|
int node, struct bootbus_attach_args *baa)
|
|
{
|
|
int n, error;
|
|
|
|
memset(baa, 0, sizeof(*baa));
|
|
|
|
error = PROM_getprop(node, "name", 1, &n, (void **) &baa->ba_name);
|
|
if (error)
|
|
return (error);
|
|
baa->ba_name[n] = '\0';
|
|
|
|
baa->ba_bustag = bustag;
|
|
baa->ba_node = node;
|
|
|
|
error = PROM_getprop(node, "reg", sizeof(struct openprom_addr),
|
|
&baa->ba_nreg, (void **) &baa->ba_reg);
|
|
if (error) {
|
|
bootbus_destroy_attach_args(baa);
|
|
return (error);
|
|
}
|
|
|
|
error = PROM_getprop(node, "intr", sizeof(struct openprom_intr),
|
|
&baa->ba_nintr, (void **) &baa->ba_intr);
|
|
if (error != 0 && error != ENOENT) {
|
|
bootbus_destroy_attach_args(baa);
|
|
return (error);
|
|
}
|
|
|
|
error = PROM_getprop(node, "address", sizeof(uint32_t),
|
|
&baa->ba_npromvaddrs, (void **) &baa->ba_promvaddrs);
|
|
if (error != 0 && error != ENOENT) {
|
|
bootbus_destroy_attach_args(baa);
|
|
return (error);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
bootbus_destroy_attach_args(struct bootbus_attach_args *baa)
|
|
{
|
|
|
|
if (baa->ba_name != NULL)
|
|
free(baa->ba_name, M_DEVBUF);
|
|
|
|
if (baa->ba_reg != NULL)
|
|
free(baa->ba_reg, M_DEVBUF);
|
|
|
|
if (baa->ba_intr != NULL)
|
|
free(baa->ba_intr, M_DEVBUF);
|
|
|
|
if (baa->ba_promvaddrs != NULL)
|
|
free(baa->ba_promvaddrs, M_DEVBUF);
|
|
}
|