/* $NetBSD: amd64_mainbus.c,v 1.7 2021/08/07 16:18:41 thorpej 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 __KERNEL_RCSID(0, "$NetBSD: amd64_mainbus.c,v 1.7 2021/08/07 16:18:41 thorpej Exp $"); #include #include #include #include #include #include #include #include #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 #include #include #include #if NACPICA > 0 #include #endif #if NIPMI > 0 #include #endif #if NPCI > 0 #if defined(PCI_BUS_FIXUP) #include #if defined(PCI_ADDR_FIXUP) #include #endif #endif #ifdef __HAVE_PCI_MSI_MSIX #include #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(self, &mba.mba_acpi, NULL, CFARGS(.iattr = "acpibus")); } #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(self, &mba.mba_ipmi, NULL, CFARGS(.iattr = "ipmibus")); #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(self, &mba.mba_pba, pcibusprint, CFARGS(.iattr = "pcibus")); #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(self, &mba.mba_iba, isabusprint, CFARGS(.iattr = "isabus")); } #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; }