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. |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 16 | */ |
| 17 | |
| 18 | #include <console/console.h> |
| 19 | #include <device/pci.h> |
Kyösti Mälkki | f1b58b7 | 2019-03-01 13:43:02 +0200 | [diff] [blame] | 20 | #include <device/pci_ops.h> |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 21 | #include <string.h> |
| 22 | #include <stdint.h> |
Stefan Reinauer | 2d85fbed | 2010-04-14 15:44:21 +0000 | [diff] [blame] | 23 | #include <cpu/amd/multicore.h> |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +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 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 33 | unsigned sbdn3; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 34 | |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 35 | void get_bus_conf(void) |
| 36 | { |
| 37 | |
| 38 | unsigned apicid_base; |
| 39 | struct mb_sysconf_t *m; |
| 40 | |
Elyes HAOUAS | 66e602a | 2018-05-04 21:52:58 +0200 | [diff] [blame] | 41 | struct device *dev; |
Patrick Georgi | 7411eab | 2010-11-22 14:14:56 +0000 | [diff] [blame] | 42 | int i; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 43 | |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 44 | sysconf.mb = &mb_sysconf; |
| 45 | |
| 46 | m = sysconf.mb; |
| 47 | memset(m, 0, sizeof(struct mb_sysconf_t)); |
| 48 | |
Kyösti Mälkki | f112f9f | 2019-01-03 11:39:05 +0200 | [diff] [blame] | 49 | get_default_pci1234(32); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 50 | |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 51 | sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain |
| 52 | m->bus_mcp55[0] = (sysconf.pci1234[0] >> 12) & 0xff; |
| 53 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 54 | m->bus_8132_0 = (sysconf.pci1234[1] >> 12) & 0xff; |
| 55 | sbdn3 = (sysconf.hcdn[1] & 0xff); // first byte of second chain |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 56 | |
| 57 | /* MCP55 */ |
| 58 | dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0)); |
| 59 | |
| 60 | if (dev) { |
| 61 | m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 62 | } |
| 63 | else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 64 | 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] | 65 | } |
| 66 | |
Elyes HAOUAS | a5aad2e | 2016-09-19 09:47:16 -0600 | [diff] [blame] | 67 | for(i = 2; i < 8; i++) { |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 68 | dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2, 0)); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 69 | if (dev) { |
| 70 | m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 71 | } |
| 72 | else { |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 73 | 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] | 74 | } |
| 75 | } |
| 76 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 77 | /* 8132_1 */ |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 78 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 79 | dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(sbdn3, 0)); |
| 80 | m->bus_8132_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 81 | m->bus_8132_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); |
| 82 | m->bus_8132_2++; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 83 | |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 84 | /* 8132_2 */ |
| 85 | 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] | 86 | m->bus_8132_2 = pci_read_config8(dev, PCI_SECONDARY_BUS); |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 87 | |
| 88 | /*I/O APICs: APIC ID Version State Address*/ |
Timothy Pearson | d4bbfe8 | 2015-10-27 16:48:36 -0500 | [diff] [blame] | 89 | if (IS_ENABLED(CONFIG_LOGICAL_CPUS)) |
| 90 | apicid_base = get_apicid_base(3); |
| 91 | else |
| 92 | apicid_base = CONFIG_MAX_PHYSICAL_CPUS; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 93 | m->apicid_mcp55 = apicid_base+0; |
Uwe Hermann | d0d7c01 | 2010-02-03 22:07:57 +0000 | [diff] [blame] | 94 | m->apicid_8132_1 = apicid_base+1; |
Knut Kujat | 081c897 | 2010-02-03 16:04:40 +0000 | [diff] [blame] | 95 | m->apicid_8132_2 = apicid_base+2; |
| 96 | } |