/* * This file is part of the coreboot project. * * Copyright (C) 2010 Advanced Micro Devices, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include #include /* Global variables for MB layouts and these will be shared by irqtable mptable * and acpi_tables busnum is default. */ u32 apicid_sb700; /* * Here you only need to set value in pci1234 for HT-IO that could be installed or not * You may need to preset pci1234 for HTIO board, * please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail */ u32 pci1234x[] = { 0x0000ff0, }; /* * HT Chain device num, actually it is unit id base of every ht device in chain, * assume every chain only have 4 ht device at most */ u32 hcdnx[] = { 0x20202020, }; void get_bus_conf(void) { u32 apicid_base; int i; sysconf.hc_possible_num = ARRAY_SIZE(pci1234x); for (i = 0; i < sysconf.hc_possible_num; i++) { sysconf.pci1234[i] = pci1234x[i]; sysconf.hcdn[i] = hcdnx[i]; } get_pci1234(); sysconf.sbdn = (sysconf.hcdn[0] & 0xff); pirq_router_bus = (sysconf.pci1234[0] >> 16) & 0xff; /* I/O APICs: APIC ID Version State Address */ if (IS_ENABLED(CONFIG_LOGICAL_CPUS)) apicid_base = get_apicid_base(1); else apicid_base = CONFIG_MAX_PHYSICAL_CPUS; apicid_sb700 = apicid_base + 0; }