NetBSD-5.0.2/sys/arch/algor/dev/mainbus.c
/* $NetBSD: mainbus.c,v 1.20 2008/04/28 20:23:10 martin Exp $ */
/*-
* Copyright (c) 2001 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.
*
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.20 2008/04/28 20:23:10 martin Exp $");
#include "opt_algor_p4032.h"
#include "opt_algor_p5064.h"
#include "opt_algor_p6032.h"
#include "opt_pci.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/reboot.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/extent.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <mips/cache.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pciconf.h>
#if defined(PCI_NETBSD_CONFIGURE) && defined(PCI_NETBSD_ENABLE_IDE)
#if defined(ALGOR_P5064) || defined(ALGOR_P6032)
#include <dev/pci/pciide_piix_reg.h>
#endif /* ALGOR_P5064 || ALGOR_P6032 */
#endif /* PCI_NETBSD_CONFIGURE && PCI_NETBSD_ENABLE_IDE */
#include "locators.h"
#include "pci.h"
int mainbus_match(struct device *, struct cfdata *, void *);
void mainbus_attach(struct device *, struct device *, void *);
CFATTACH_DECL(mainbus, sizeof(struct device),
mainbus_match, mainbus_attach, NULL, NULL);
int mainbus_print(void *, const char *);
int mainbus_submatch(struct device *, struct cfdata *,
const int *, void *);
/* There can be only one. */
int mainbus_found;
struct mainbusdev {
const char *md_name;
bus_addr_t md_addr;
int md_irq;
};
#if defined(ALGOR_P4032)
#include <algor/algor/algor_p4032reg.h>
#include <algor/algor/algor_p4032var.h>
struct mainbusdev mainbusdevs[] = {
{ "cpu", -1, -1 },
{ "mcclock", P4032_RTC, P4032_IRQ_RTC },
{ "com", P4032_COM1, P4032_IRQ_COM1 },
{ "com", P4032_COM2, P4032_IRQ_COM2 },
{ "lpt", P4032_LPT, P4032_IRQ_LPT },
{ "pckbc", P4032_PCKBC, P4032_IRQ_PCKBC },
{ "fdc", P4032_FDC, P4032_IRQ_FLOPPY },
{ "vtpbc", P4032_V962PBC, -1 },
{ NULL, 0, 0 },
};
#endif /* ALGOR_P4032 */
#if defined(ALGOR_P5064)
#include <algor/algor/algor_p5064reg.h>
#include <algor/algor/algor_p5064var.h>
struct mainbusdev mainbusdevs[] = {
{ "cpu", -1, -1 },
{ "vtpbc", P5064_V360EPC, -1 },
{ NULL, 0, 0 },
};
#endif /* ALGOR_P5064 */
#if defined(ALGOR_P6032)
#include <algor/algor/algor_p6032reg.h>
#include <algor/algor/algor_p6032var.h>
struct mainbusdev mainbusdevs[] = {
{ "cpu", -1, -1 },
{ "bonito", BONITO_REG_BASE, -1 },
{ NULL, 0, 0 },
};
#endif /* ALGOR_P6032 */
int
mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
{
if (mainbus_found)
return (0);
return (1);
}
void
mainbus_attach(struct device *parent, struct device *self, void *aux)
{
struct mainbus_attach_args ma;
struct mainbusdev *md;
bus_space_tag_t st;
#if defined(PCI_NETBSD_CONFIGURE)
struct extent *ioext, *memext;
pci_chipset_tag_t pc;
#if defined(PCI_NETBSD_ENABLE_IDE)
pcitag_t idetag;
pcireg_t idetim;
#endif
#endif
mainbus_found = 1;
printf("\n");
#if NPCI > 0 && defined(PCI_NETBSD_CONFIGURE)
#if defined(ALGOR_P4032)
/*
* Reserve the bottom 64K of the I/O space for ISA devices.
*/
ioext = extent_create("pciio", 0x00010000, 0x000effff,
M_DEVBUF, NULL, 0, EX_NOWAIT);
memext = extent_create("pcimem", 0x01000000, 0x07ffffff,
M_DEVBUF, NULL, 0, EX_NOWAIT);
pc = &p4032_configuration.ac_pc;
#elif defined(ALGOR_P5064)
/*
* Reserve the bottom 512K of the I/O space for ISA devices.
* According to the PMON sources, this is a work-around for
* a bug in the ISA bridge.
*/
ioext = extent_create("pciio", 0x00080000, 0x00ffffff,
M_DEVBUF, NULL, 0, EX_NOWAIT);
memext = extent_create("pcimem", 0x01000000, 0x07ffffff,
M_DEVBUF, NULL, 0, EX_NOWAIT);
pc = &p5064_configuration.ac_pc;
#if defined(PCI_NETBSD_ENABLE_IDE)
idetag = pci_make_tag(pc, 0, 2, 1);
#endif
#elif defined(ALGOR_P6032)
/*
* Reserve the bottom 64K of the I/O space for ISA devices.
*/
ioext = extent_create("pciio", 0x00010000, 0x000effff,
M_DEVBUF, NULL, 0, EX_NOWAIT);
memext = extent_create("pcimem", 0x01000000, 0x0affffff,
M_DEVBUF, NULL, 0, EX_NOWAIT);
pc = &p6032_configuration.ac_pc;
#if defined(PCI_NETBSD_ENABLE_IDE)
idetag = pci_make_tag(pc, 0, 17, 1);
#endif
#endif /* ALGOR_P4032 || ALGOR_P5064 || ALGOR_P6032 */
pci_configure_bus(pc, ioext, memext, NULL, 0, mips_dcache_align);
extent_destroy(ioext);
extent_destroy(memext);
#if defined(PCI_NETBSD_ENABLE_IDE)
/*
* Perhaps PMON has not enabled the IDE controller. Easy to
* fix -- just set the ENABLE bits for each channel in the
* IDETIM register. Just clear all the bits for the channel
* except for the ENABLE bits -- the `pciide' driver will
* properly configure it later.
*/
idetim = 0;
if (PCI_NETBSD_ENABLE_IDE & 0x01)
idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 0);
if (PCI_NETBSD_ENABLE_IDE & 0x02)
idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1);
pci_conf_write(pc, idetag, PIIX_IDETIM, idetim);
#endif
#endif /* NPCI > 0 && defined(PCI_NETBSD_CONFIGURE) */
#if defined(ALGOR_P4032)
st = &p4032_configuration.ac_lociot;
#elif defined(ALGOR_P5064)
st = NULL;
#elif defined(ALGOR_P6032)
st = NULL;
#endif
for (md = mainbusdevs; md->md_name != NULL; md++) {
ma.ma_name = md->md_name;
ma.ma_st = st;
ma.ma_addr = md->md_addr;
ma.ma_irq = md->md_irq;
(void) config_found_sm_loc(self, "mainbus", NULL, &ma,
mainbus_print, mainbus_submatch);
}
}
int
mainbus_print(void *aux, const char *pnp)
{
struct mainbus_attach_args *ma = aux;
if (pnp)
aprint_normal("%s at %s", ma->ma_name, pnp);
if (ma->ma_addr != (bus_addr_t) -1)
aprint_normal(" addr 0x%lx", ma->ma_addr);
return (UNCONF);
}
int
mainbus_submatch(struct device *parent, struct cfdata *cf,
const int *ldesc, void *aux)
{
struct mainbus_attach_args *ma = aux;
if (cf->cf_loc[MAINBUSCF_ADDR] != MAINBUSCF_ADDR_DEFAULT &&
cf->cf_loc[MAINBUSCF_ADDR] != ma->ma_addr)
return (0);
return (config_match(parent, cf, aux));
}