Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2010 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <console/console.h> |
| 17 | #include <device/pci.h> |
| 18 | #include <device/pci_ids.h> |
| 19 | #include <string.h> |
| 20 | #include <stdint.h> |
| 21 | #include <stdlib.h> |
Stefan Reinauer | 9a16e3e | 2010-03-29 14:45:36 +0000 | [diff] [blame] | 22 | #include <cpu/amd/multicore.h> |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 23 | |
| 24 | #include <cpu/amd/amdk8_sysconf.h> |
| 25 | |
| 26 | /* Global variables for MB layouts and these will be shared by irqtable mptable |
| 27 | * and acpi_tables busnum is default. |
| 28 | */ |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 29 | u8 bus_rs780[11]; |
| 30 | u8 bus_sb700[2]; |
| 31 | u32 apicid_sb700; |
| 32 | |
| 33 | /* |
| 34 | * Here you only need to set value in pci1234 for HT-IO that could be installed or not |
| 35 | * You may need to preset pci1234 for HTIO board, |
| 36 | * please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail |
| 37 | */ |
| 38 | u32 pci1234x[] = { |
| 39 | 0x0000ff0, |
| 40 | }; |
| 41 | |
| 42 | /* |
| 43 | * HT Chain device num, actually it is unit id base of every ht device in chain, |
| 44 | * assume every chain only have 4 ht device at most |
| 45 | */ |
| 46 | u32 hcdnx[] = { |
| 47 | 0x20202020, |
| 48 | }; |
| 49 | |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 50 | u32 sbdn_rs780; |
| 51 | u32 sbdn_sb700; |
| 52 | |
Stefan Reinauer | e9de1e2 | 2010-04-07 15:30:11 +0000 | [diff] [blame] | 53 | |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 54 | |
| 55 | static u32 get_bus_conf_done = 0; |
| 56 | |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 57 | void get_bus_conf(void) |
| 58 | { |
| 59 | u32 apicid_base; |
| 60 | device_t dev; |
Patrick Georgi | 8cda969 | 2010-11-21 14:40:09 +0000 | [diff] [blame] | 61 | int i; |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 62 | |
| 63 | if (get_bus_conf_done == 1) |
| 64 | return; /* do it only once */ |
| 65 | get_bus_conf_done = 1; |
| 66 | |
| 67 | sysconf.hc_possible_num = ARRAY_SIZE(pci1234x); |
| 68 | for (i = 0; i < sysconf.hc_possible_num; i++) { |
| 69 | sysconf.pci1234[i] = pci1234x[i]; |
| 70 | sysconf.hcdn[i] = hcdnx[i]; |
| 71 | } |
| 72 | |
| 73 | get_sblk_pci1234(); |
| 74 | |
| 75 | sysconf.sbdn = (sysconf.hcdn[0] & 0xff); |
| 76 | sbdn_rs780 = sysconf.sbdn; |
| 77 | sbdn_sb700 = 0; |
| 78 | |
| 79 | for (i = 0; i < 2; i++) { |
| 80 | bus_sb700[i] = 0; |
| 81 | } |
| 82 | for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) { |
| 83 | bus_rs780[i] = 0; |
| 84 | } |
| 85 | |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 86 | bus_rs780[0] = (sysconf.pci1234[0] >> 16) & 0xff; |
| 87 | bus_sb700[0] = bus_rs780[0]; |
| 88 | |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 89 | /* sb700 */ |
| 90 | dev = dev_find_slot(bus_sb700[0], PCI_DEVFN(sbdn_sb700 + 0x14, 4)); |
| 91 | if (dev) { |
| 92 | bus_sb700[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | /* rs780 */ |
| 96 | for (i = 1; i < ARRAY_SIZE(bus_rs780); i++) { |
| 97 | dev = dev_find_slot(bus_rs780[0], PCI_DEVFN(sbdn_rs780 + i, 0)); |
| 98 | if (dev) { |
| 99 | bus_rs780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 100 | } |
| 101 | } |
| 102 | |
| 103 | /* I/O APICs: APIC ID Version State Address */ |
Timothy Pearson | d4bbfe8 | 2015-10-27 16:48:36 -0500 | [diff] [blame] | 104 | if (IS_ENABLED(CONFIG_LOGICAL_CPUS)) |
| 105 | apicid_base = get_apicid_base(1); |
| 106 | else |
| 107 | apicid_base = CONFIG_MAX_PHYSICAL_CPUS; |
Zheng Bao | dec279f | 2010-03-16 01:42:50 +0000 | [diff] [blame] | 108 | apicid_sb700 = apicid_base + 0; |
| 109 | } |