/* $OpenBSD: mainbus.c,v 1.42 2008/07/08 05:22:00 dlg Exp $ */ /* $NetBSD: mainbus.c,v 1.21 1997/06/06 23:14:20 thorpej 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 #include #include #include #include #include #include #include /* for ISA_HOLE_VADDR */ #include #include "pci.h" #include "eisa.h" #include "isa.h" #include "apm.h" #include "bios.h" #include "mpbios.h" #include "acpi.h" #include "ipmi.h" #include "esm.h" #include "vmt.h" #include "vesabios.h" #include "amdmsr.h" #include #include #include #if NBIOS > 0 #include #endif #include #if NIPMI > 0 #include #endif #if NVMT > 0 #include #endif #if NAMDMSR > 0 #include #endif #if NESM > 0 #include #endif #if NVESABIOS > 0 #include #endif int mainbus_match(struct device *, void *, void *); void mainbus_attach(struct device *, struct device *, void *); struct cfattach mainbus_ca = { sizeof(struct device), mainbus_match, mainbus_attach }; struct cfdriver mainbus_cd = { NULL, "mainbus", DV_DULL }; int mainbus_print(void *, const char *); union mainbus_attach_args { const char *mba_busname; /* first elem of all */ struct pcibus_attach_args mba_pba; struct eisabus_attach_args mba_eba; struct isabus_attach_args mba_iba; #if NBIOS > 0 struct bios_attach_args mba_bios; #endif struct cpu_attach_args mba_caa; struct apic_attach_args aaa_caa; #if NIPMI > 0 struct ipmi_attach_args mba_iaa; #endif #if NESM > 0 struct esm_attach_args mba_eaa; #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; /* * Probe for the mainbus; always succeeds. */ int mainbus_match(struct device *parent, void *match, void *aux) { return (1); } /* * Attach the mainbus. */ void mainbus_attach(struct device *parent, struct device *self, void *aux) { union mainbus_attach_args mba; extern void (*setperf_setup)(struct cpu_info *); extern void (*cpusensors_setup)(struct cpu_info *); printf("\n"); #if NBIOS > 0 { mba.mba_bios.ba_name = "bios"; mba.mba_bios.ba_iot = I386_BUS_SPACE_IO; mba.mba_bios.ba_memt = I386_BUS_SPACE_MEM; config_found(self, &mba.mba_bios, mainbus_print); } #endif #if NIPMI > 0 { memset(&mba.mba_iaa, 0, sizeof(mba.mba_iaa)); mba.mba_iaa.iaa_name = "ipmi"; mba.mba_iaa.iaa_iot = I386_BUS_SPACE_IO; mba.mba_iaa.iaa_memt = I386_BUS_SPACE_MEM; if (ipmi_probe(&mba.mba_iaa)) config_found(self, &mba.mba_iaa, mainbus_print); } #endif #if NVMT > 0 if (vmt_probe()) { mba.mba_busname = "vmware"; config_found(self, &mba.mba_busname, mainbus_print); } #endif #if NMPBIOS > 0 if (mpbios_probe(self)) mpbios_scan(self); #endif if ((cpu_info_primary.ci_flags & CPUF_PRESENT) == 0) { struct cpu_attach_args caa; memset(&caa, 0, sizeof(caa)); caa.caa_name = "cpu"; caa.cpu_number = 0; caa.cpu_role = CPU_ROLE_SP; caa.cpu_func = 0; caa.cpu_signature = cpu_id; caa.feature_flags = cpu_feature; config_found(self, &caa, mainbus_print); } #if NAMDMSR > 0 if (amdmsr_probe()) { mba.mba_busname = "amdmsr"; config_found(self, &mba.mba_busname, mainbus_print); } #endif #if NACPI > 0 if (!acpi_hasprocfvs) #endif { if (setperf_setup != NULL) setperf_setup(&cpu_info_primary); } #ifdef MULTIPROCESSOR mp_setperf_init(); #endif if (cpusensors_setup != NULL) cpusensors_setup(&cpu_info_primary); #if NVESABIOS > 0 if (vbeprobe()) { mba.mba_busname = "vesabios"; config_found(self, &mba.mba_busname, NULL); } #endif #if NESM > 0 { memset(&mba.mba_eaa, 0, sizeof(mba.mba_eaa)); mba.mba_eaa.eaa_name = "esm"; mba.mba_eaa.eaa_iot = I386_BUS_SPACE_IO; mba.mba_eaa.eaa_memt = I386_BUS_SPACE_MEM; if (esm_probe(&mba.mba_eaa)) config_found(self, &mba.mba_eaa, mainbus_print); } #endif /* * XXX Note also that the presence of a PCI bus should * XXX _always_ be checked, and if present the bus should be * XXX 'found'. However, because of the structure of the code, * XXX that's not currently possible. */ #if NPCI > 0 if (pci_mode_detect() != 0) { mba.mba_pba.pba_busname = "pci"; mba.mba_pba.pba_iot = I386_BUS_SPACE_IO; mba.mba_pba.pba_memt = I386_BUS_SPACE_MEM; mba.mba_pba.pba_dmat = &pci_bus_dma_tag; mba.mba_pba.pba_domain = pci_ndomains++; mba.mba_pba.pba_bus = 0; mba.mba_pba.pba_bridgetag = NULL; config_found(self, &mba.mba_pba, mainbus_print); } #endif if (!bcmp(ISA_HOLE_VADDR(EISA_ID_PADDR), EISA_ID, EISA_ID_LEN)) { mba.mba_eba.eba_busname = "eisa"; mba.mba_eba.eba_iot = I386_BUS_SPACE_IO; mba.mba_eba.eba_memt = I386_BUS_SPACE_MEM; #if NEISA > 0 mba.mba_eba.eba_dmat = &eisa_bus_dma_tag; #endif config_found(self, &mba.mba_eba, mainbus_print); } if (isa_has_been_seen == 0) { mba.mba_iba.iba_busname = "isa"; mba.mba_iba.iba_iot = I386_BUS_SPACE_IO; mba.mba_iba.iba_memt = I386_BUS_SPACE_MEM; #if NISADMA > 0 mba.mba_iba.iba_dmat = &isa_bus_dma_tag; #endif config_found(self, &mba.mba_iba, mainbus_print); } } int mainbus_print(void *aux, const char *pnp) { union mainbus_attach_args *mba = aux; if (pnp) printf("%s at %s", mba->mba_busname, pnp); if (!strcmp(mba->mba_busname, "pci")) printf(" bus %d", mba->mba_pba.pba_bus); return (UNCONF); }