Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +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. |
Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +0000 | [diff] [blame] | 16 | */ |
| 17 | |
| 18 | #include <console/console.h> |
| 19 | #include <device/pci.h> |
| 20 | #include <device/pci_ids.h> |
| 21 | #include <string.h> |
| 22 | #include <stdint.h> |
Stefan Reinauer | 9a16e3e | 2010-03-29 14:45:36 +0000 | [diff] [blame] | 23 | #include <cpu/amd/multicore.h> |
Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +0000 | [diff] [blame] | 24 | |
| 25 | #include <cpu/amd/amdfam10_sysconf.h> |
| 26 | |
| 27 | #include <stdlib.h> |
| 28 | #include "mb_sysconf.h" |
| 29 | |
| 30 | // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables |
| 31 | struct mb_sysconf_t mb_sysconf; |
| 32 | |
| 33 | /* Here you only need to set value in pci1234 for HT-IO that could be |
| 34 | installed or not You may need to preset pci1234 for HTIO board, please |
| 35 | refer to src/northbridge/amd/amdfam10/get_pci1234.c for detail */ |
| 36 | static u32 pci1234x[] = { |
| 37 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 38 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 39 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 40 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 41 | 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, |
| 42 | 0x0000ffc, 0x0000ffc, |
| 43 | }; |
| 44 | |
| 45 | |
| 46 | /* HT Chain device num, actually it is unit id base of every ht device |
| 47 | in chain, assume every chain only have 4 ht device at most */ |
| 48 | |
| 49 | static unsigned hcdnx[] = { |
| 50 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 51 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 52 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 53 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 54 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 55 | 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, |
| 56 | 0x20202020, 0x20202020, |
| 57 | }; |
| 58 | |
| 59 | extern void get_pci1234(void); |
| 60 | |
| 61 | static unsigned get_bus_conf_done = 0; |
| 62 | |
| 63 | void get_bus_conf(void) |
| 64 | { |
| 65 | |
| 66 | unsigned apicid_base; |
| 67 | struct mb_sysconf_t *m; |
| 68 | |
| 69 | device_t dev; |
Patrick Georgi | 7411eab | 2010-11-22 14:14:56 +0000 | [diff] [blame] | 70 | int i; |
Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +0000 | [diff] [blame] | 71 | |
| 72 | if(get_bus_conf_done==1) return; //do it only once |
| 73 | |
| 74 | get_bus_conf_done = 1; |
| 75 | |
| 76 | sysconf.mb = &mb_sysconf; |
| 77 | |
| 78 | m = sysconf.mb; |
| 79 | memset(m, 0, sizeof(struct mb_sysconf_t)); |
| 80 | |
| 81 | sysconf.hc_possible_num = ARRAY_SIZE(pci1234x); |
| 82 | for(i=0;i<sysconf.hc_possible_num; i++) { |
| 83 | sysconf.pci1234[i] = pci1234x[i]; |
| 84 | sysconf.hcdn[i] = hcdnx[i]; |
| 85 | } |
| 86 | |
| 87 | get_pci1234(); |
| 88 | |
Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +0000 | [diff] [blame] | 89 | sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain |
| 90 | m->bus_mcp55[0] = (sysconf.pci1234[0] >> 12) & 0xff; |
| 91 | |
| 92 | /* MCP55 */ |
| 93 | dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0)); |
| 94 | if (dev) { |
| 95 | m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 96 | } |
| 97 | else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 98 | printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06); |
Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +0000 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | for(i=2; i<8;i++) { |
| 102 | dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0)); |
| 103 | if (dev) { |
| 104 | m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 105 | } |
| 106 | else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 107 | printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 ); |
Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +0000 | [diff] [blame] | 108 | } |
| 109 | } |
| 110 | |
Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +0000 | [diff] [blame] | 111 | /*I/O APICs: APIC ID Version State Address*/ |
Timothy Pearson | d4bbfe8 | 2015-10-27 16:48:36 -0500 | [diff] [blame] | 112 | if (IS_ENABLED(CONFIG_LOGICAL_CPUS)) |
| 113 | apicid_base = get_apicid_base(1); |
| 114 | else |
| 115 | apicid_base = CONFIG_MAX_PHYSICAL_CPUS; |
Ward Vandewege | 2583dd2 | 2009-09-30 14:46:43 +0000 | [diff] [blame] | 116 | m->apicid_mcp55 = apicid_base+0; |
| 117 | |
| 118 | } |