| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 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 <console/console.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <cpu/amd/multicore.h> |
| #include <cpu/amd/amdfam10_sysconf.h> |
| #if CONFIG_AMD_SB_CIMX |
| #include <sb_cimx.h> |
| #endif |
| |
| /* Global variables for MB layouts and these will be shared by irqtable mptable |
| * and acpi_tables busnum is default. |
| */ |
| int bus_isa; |
| u8 bus_rs780[11]; |
| u8 bus_sb800[6]; |
| u32 apicid_sb800; |
| |
| /* |
| * 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, |
| }; |
| |
| |
| u32 sbdn_rs780; |
| u32 sbdn_sb800; |
| |
| extern void get_pci1234(void); |
| |
| static u32 get_bus_conf_done = 0; |
| |
| void get_bus_conf(void) |
| { |
| u32 apicid_base; |
| device_t dev; |
| int i; |
| |
| if (get_bus_conf_done == 1) |
| return; /* do it only once */ |
| get_bus_conf_done = 1; |
| |
| 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); |
| sbdn_rs780 = sysconf.sbdn; |
| sbdn_sb800 = 0; |
| |
| memset(bus_sb800, 0, sizeof(bus_sb800)); |
| |
| for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) { |
| bus_rs780[i] = 0; |
| } |
| |
| |
| bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff; |
| bus_sb800[0] = bus_rs780[0]; |
| |
| |
| /* sb800 */ |
| dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(sbdn_sb800 + 0x14, 4)); |
| if (dev) { |
| bus_sb800[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); |
| bus_isa++; |
| } |
| |
| for (i = 0; i < 4; i++) { |
| dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(sbdn_sb800 + 0x15, i)); |
| if (dev) { |
| bus_sb800[2 + i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); |
| bus_isa++; |
| } |
| } |
| |
| /* rs780 */ |
| for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) { |
| dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sbdn_rs780 + i, 0)); |
| if (dev) { |
| bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| if(255 != bus_rs780[i]) { |
| bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); |
| bus_isa++; |
| } |
| } |
| } |
| |
| /* I/O APICs: APIC ID Version State Address */ |
| bus_isa = 10; |
| if (IS_ENABLED(CONFIG_LOGICAL_CPUS)) |
| apicid_base = get_apicid_base(1); |
| else |
| apicid_base = CONFIG_MAX_PHYSICAL_CPUS; |
| apicid_sb800 = apicid_base + 0; |
| |
| #if CONFIG_AMD_SB_CIMX |
| sb_Late_Post(); |
| #endif |
| } |