Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2007 AMD |
| 5 | * Written by Yinghai Lu <yinghailu@amd.com> for AMD. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include <console/console.h> |
| 23 | #include <device/pci.h> |
| 24 | #include <device/pci_ids.h> |
| 25 | #include <string.h> |
| 26 | #include <stdint.h> |
| 27 | #if CONFIG_LOGICAL_CPUS==1 |
Stefan Reinauer | 2d85fbed | 2010-04-14 15:44:21 +0000 | [diff] [blame] | 28 | #include <cpu/amd/multicore.h> |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 29 | #endif |
| 30 | |
| 31 | #include <cpu/amd/amdfam10_sysconf.h> |
| 32 | |
| 33 | #include <stdlib.h> |
| 34 | #include "mb_sysconf.h" |
| 35 | |
| 36 | // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables |
| 37 | struct mb_sysconf_t mb_sysconf; |
| 38 | |
| 39 | /* Here you only need to set value in pci1234 for HT-IO that could be |
| 40 | installed or not You may need to preset pci1234 for HTIO board, please |
| 41 | refer to src/northbridge/amd/amdfam10/get_pci1234.c for detail */ |
| 42 | static u32 pci1234x[] = { |
| 43 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 44 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 45 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 46 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 47 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 48 | 0x0000ffc, 0x0000ffc, |
| 49 | }; |
| 50 | |
| 51 | |
| 52 | /* HT Chain device num, actually it is unit id base of every ht device |
| 53 | in chain, assume every chain only have 4 ht device at most */ |
| 54 | |
| 55 | static unsigned hcdnx[] = { |
| 56 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 57 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 58 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 59 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 60 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 61 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 62 | 0x20202020, 0x20202020, |
| 63 | }; |
| 64 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 65 | unsigned sbdn3; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 66 | |
| 67 | extern void get_pci1234(void); |
| 68 | |
| 69 | static unsigned get_bus_conf_done = 0; |
| 70 | |
| 71 | void get_bus_conf(void) |
| 72 | { |
| 73 | |
| 74 | unsigned apicid_base; |
| 75 | struct mb_sysconf_t *m; |
| 76 | |
| 77 | device_t dev; |
Patrick Georgi | 7411eab | 2010-11-22 14:14:56 +0000 | [diff] [blame^] | 78 | int i; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 79 | |
| 80 | if(get_bus_conf_done==1) return; //do it only once |
| 81 | |
| 82 | get_bus_conf_done = 1; |
| 83 | |
| 84 | sysconf.mb = &mb_sysconf; |
| 85 | |
| 86 | m = sysconf.mb; |
| 87 | memset(m, 0, sizeof(struct mb_sysconf_t)); |
| 88 | |
| 89 | sysconf.hc_possible_num = ARRAY_SIZE(pci1234x); |
| 90 | for(i=0;i<sysconf.hc_possible_num; i++) { |
| 91 | sysconf.pci1234[i] = pci1234x[i]; |
| 92 | sysconf.hcdn[i] = hcdnx[i]; |
| 93 | } |
| 94 | |
| 95 | get_pci1234(); |
| 96 | |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 97 | sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain |
| 98 | m->bus_mcp55[0] = (sysconf.pci1234[0] >> 12) & 0xff; |
| 99 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 100 | m->bus_8132_0 = (sysconf.pci1234[1] >> 12) & 0xff; |
| 101 | sbdn3 = (sysconf.hcdn[1] & 0xff); // first byte of second chain |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 102 | |
| 103 | /* MCP55 */ |
| 104 | dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0)); |
| 105 | |
| 106 | if (dev) { |
| 107 | m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 108 | } |
| 109 | else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 110 | printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | for(i=2; i<8;i++) { |
| 114 | dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0)); |
| 115 | if (dev) { |
| 116 | m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 117 | } |
| 118 | else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 119 | printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 ); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 120 | } |
| 121 | } |
| 122 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 123 | /* 8132_1 */ |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 124 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 125 | dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(sbdn3, 0)); |
| 126 | m->bus_8132_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 127 | m->bus_8132_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); |
| 128 | m->bus_8132_2++; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 129 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 130 | /* 8132_2 */ |
| 131 | dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(sbdn3 + 1, 0)); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 132 | m->bus_8132_2 = pci_read_config8(dev, PCI_SECONDARY_BUS); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 133 | |
| 134 | /*I/O APICs: APIC ID Version State Address*/ |
| 135 | #if CONFIG_LOGICAL_CPUS==1 |
| 136 | apicid_base = get_apicid_base(3); |
| 137 | #else |
| 138 | apicid_base = CONFIG_MAX_PHYSICAL_CPUS; |
| 139 | #endif |
| 140 | m->apicid_mcp55 = apicid_base+0; |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 141 | m->apicid_8132_1 = apicid_base+1; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 142 | m->apicid_8132_2 = apicid_base+2; |
| 143 | } |