/* $NetBSD: amd64_mainbus.c,v 1.5 2019/02/14 07:12:40 cherry Exp $ */
/* NetBSD: mainbus.c,v 1.39 2018/12/02 08:19:44 cherry Exp */
/*
* Copyright (c) 1996 Christopher G. Demetriou. 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. 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 Christopher G. Demetriou
* for the NetBSD Project.
* 4. 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: amd64_mainbus.c,v 1.5 2019/02/14 07:12:40 cherry Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <sys/bus.h>
#include <dev/isa/isavar.h>
#include <dev/pci/pcivar.h>
#include <dev/isa/isareg.h>
#include "pci.h"
#include "isa.h"
#include "isadma.h"
#include "acpica.h"
#include "ipmi.h"
#include "opt_acpi.h"
#include "opt_mpbios.h"
#include "opt_pcifixup.h"
#include <machine/cpuvar.h>
#include <machine/i82093var.h>
#include <machine/mpbiosvar.h>
#include <machine/mpacpi.h>
#if NACPICA > 0
#include <dev/acpi/acpivar.h>
#endif
#if NIPMI > 0
#include <x86/ipmivar.h>
#endif
#if NPCI > 0
#if defined(PCI_BUS_FIXUP)
#include <arch/x86/pci/pci_bus_fixup.h>
#if defined(PCI_ADDR_FIXUP)
#include <arch/x86/pci/pci_addr_fixup.h>
#endif
#endif
#ifdef __HAVE_PCI_MSI_MSIX
#include <arch/x86/pci/msipic.h>
#endif /* __HAVE_PCI_MSI_MSIX */
#endif
/*
* XXXfvdl ACPI
*/
int amd64_mainbus_match(device_t, cfdata_t, void *);
void amd64_mainbus_attach(device_t, device_t, void *);
int amd64_mainbus_print(void *, const char *);
union amd64_mainbus_attach_args {
const char *mba_busname; /* first elem of all */
struct pcibus_attach_args mba_pba;
struct isabus_attach_args mba_iba;
struct cpu_attach_args mba_caa;
#if NACPICA > 0
struct acpibus_attach_args mba_acpi;
#endif
struct apic_attach_args aaa_caa;
#if NIPMI > 0
struct ipmi_attach_args mba_ipmi;
#endif
};
/*
* This is set when the ISA bus is attached. If it's not set by the
* time it's checked below, then mainbus attempts to attach an ISA.
*/
int isa_has_been_seen;
struct x86_isa_chipset x86_isa_chipset;
#if NISA > 0
static const struct isabus_attach_args mba_iba = {
._iba_busname = "isa",
.iba_dmat = &isa_bus_dma_tag,
.iba_ic = &x86_isa_chipset
};
#endif
#if defined(MPBIOS) || NACPICA > 0
struct mp_bus *mp_busses;
int mp_nbus;
struct mp_intr_map *mp_intrs;
int mp_nintr;
int mp_isa_bus = -1;
int mp_eisa_bus = -1;
extern bool acpi_present;
extern bool mpacpi_active;
# ifdef MPVERBOSE
# if MPVERBOSE > 0
int mp_verbose = MPVERBOSE;
# else
int mp_verbose = 1;
# endif
# else
int mp_verbose = 0;
# endif
#endif
/*
* Probe for the mainbus; always succeeds.
*/
int
amd64_mainbus_match(device_t parent, cfdata_t match, void *aux)
{
return 1;
}
/*
* Attach the mainbus.
*/
void
amd64_mainbus_attach(device_t parent, device_t self, void *aux)
{
#if NISA > 0 || NPCI > 0 || NACPICA > 0 || NIPMI > 0
union amd64_mainbus_attach_args mba;
#endif
#if NISADMA > 0 && NACPICA > 0
/*
* ACPI needs ISA DMA initialized before they start probing.
*/
isa_dmainit(&x86_isa_chipset, x86_bus_space_io, &isa_bus_dma_tag,
self);
#endif
#if NACPICA > 0
if (acpi_present) {
mba.mba_acpi.aa_iot = x86_bus_space_io;
mba.mba_acpi.aa_memt = x86_bus_space_mem;
mba.mba_acpi.aa_pc = NULL;
mba.mba_acpi.aa_pciflags =
PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY |
PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY |
PCI_FLAGS_MWI_OKAY;
mba.mba_acpi.aa_ic = &x86_isa_chipset;
mba.mba_acpi.aa_dmat = &pci_bus_dma_tag;
mba.mba_acpi.aa_dmat64 = &pci_bus_dma64_tag;
config_found_ia(self, "acpibus", &mba.mba_acpi, 0);
}
#endif
#if NIPMI > 0
memset(&mba.mba_ipmi, 0, sizeof(mba.mba_ipmi));
mba.mba_ipmi.iaa_iot = x86_bus_space_io;
mba.mba_ipmi.iaa_memt = x86_bus_space_mem;
if (ipmi_probe(&mba.mba_ipmi))
config_found_ia(self, "ipmibus", &mba.mba_ipmi, 0);
#endif
#if NPCI > 0
if (pci_mode_detect() != 0) {
int npcibus = 0;
mba.mba_pba.pba_iot = x86_bus_space_io;
mba.mba_pba.pba_memt = x86_bus_space_mem;
mba.mba_pba.pba_dmat = &pci_bus_dma_tag;
mba.mba_pba.pba_dmat64 = &pci_bus_dma64_tag;
mba.mba_pba.pba_pc = NULL;
mba.mba_pba.pba_flags =
PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY |
PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY |
PCI_FLAGS_MWI_OKAY;
mba.mba_pba.pba_bus = 0;
mba.mba_pba.pba_bridgetag = NULL;
#if NACPICA > 0 && defined(ACPI_SCANPCI)
if (npcibus == 0 && mpacpi_active)
npcibus = mp_pci_scan(self, &mba.mba_pba, pcibusprint);
#endif
#if defined(MPBIOS) && defined(MPBIOS_SCANPCI)
if (npcibus == 0 && mpbios_scanned != 0)
npcibus = mp_pci_scan(self, &mba.mba_pba, pcibusprint);
#endif
if (npcibus == 0)
config_found_ia(self, "pcibus", &mba.mba_pba,
pcibusprint);
#if NACPICA > 0
if (mp_verbose)
acpi_pci_link_state();
#endif
}
#endif
#if NISA > 0
if (isa_has_been_seen == 0) {
mba.mba_iba = mba_iba;
mba.mba_iba.iba_iot = x86_bus_space_io;
mba.mba_iba.iba_memt = x86_bus_space_mem;
config_found_ia(self, "isabus", &mba.mba_iba, isabusprint);
}
#endif
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
}
int
amd64_mainbus_print(void *aux, const char *pnp)
{
union amd64_mainbus_attach_args *mba = aux;
if (pnp)
aprint_normal("%s at %s", mba->mba_busname, pnp);
return UNCONF;
}