WANG Siyuan | f77f734 | 2013-08-13 17:09:51 +0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2012 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. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | #include <console/console.h> |
| 21 | #include <device/pci.h> |
| 22 | #include <device/pci_ids.h> |
| 23 | #include <string.h> |
| 24 | #include <stdint.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <cpu/amd/amdfam14.h> |
| 27 | #include "agesawrapper.h" |
| 28 | |
| 29 | /* Global variables for MB layouts and these will be shared by irqtable mptable |
| 30 | * and acpi_tables busnum is default. |
| 31 | */ |
| 32 | u8 bus_isa; |
Kyösti Mälkki | 4f9bf7e | 2013-09-09 09:23:19 +0300 | [diff] [blame] | 33 | u8 bus_yangtze[6]; |
WANG Siyuan | f77f734 | 2013-08-13 17:09:51 +0800 | [diff] [blame] | 34 | u32 apicid_yangtze; |
| 35 | |
| 36 | /* |
| 37 | * Here you only need to set value in pci1234 for HT-IO that could be installed or not |
| 38 | * You may need to preset pci1234 for HTIO board, |
| 39 | * please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail |
| 40 | */ |
| 41 | u32 pci1234x[] = { |
| 42 | 0x0000ff0, |
| 43 | }; |
| 44 | |
| 45 | u32 bus_type[256]; |
| 46 | u32 sbdn_yangtze; |
| 47 | |
| 48 | static u32 get_bus_conf_done = 0; |
| 49 | |
WANG Siyuan | f77f734 | 2013-08-13 17:09:51 +0800 | [diff] [blame] | 50 | void get_bus_conf(void) |
| 51 | { |
| 52 | u32 apicid_base; |
WANG Siyuan | 2c86fc4 | 2013-09-23 15:12:56 +0800 | [diff] [blame] | 53 | u32 value; |
WANG Siyuan | f77f734 | 2013-08-13 17:09:51 +0800 | [diff] [blame] | 54 | |
| 55 | device_t dev; |
| 56 | int i, j; |
| 57 | |
| 58 | if (get_bus_conf_done == 1) |
| 59 | return; /* do it only once */ |
| 60 | |
| 61 | get_bus_conf_done = 1; |
| 62 | |
WANG Siyuan | f77f734 | 2013-08-13 17:09:51 +0800 | [diff] [blame] | 63 | dev = dev_find_slot(0, PCI_DEVFN(0, 0)); /* clear IoapicSbFeatureEn */ |
| 64 | pci_write_config32(dev, 0xF8, 0); |
| 65 | pci_write_config32(dev, 0xFC, 5); /* TODO: move it to dsdt.asl */ |
| 66 | |
WANG Siyuan | 2c86fc4 | 2013-09-23 15:12:56 +0800 | [diff] [blame] | 67 | /* disable No Snoop */ |
| 68 | dev = dev_find_slot(0, PCI_DEVFN(1, 1)); |
| 69 | value = pci_read_config32(dev, 0x60); |
| 70 | value &= ~(1 << 11); |
| 71 | pci_write_config32(dev, 0x60, value); |
| 72 | |
WANG Siyuan | f77f734 | 2013-08-13 17:09:51 +0800 | [diff] [blame] | 73 | sbdn_yangtze = 0; |
| 74 | |
Kyösti Mälkki | 4f9bf7e | 2013-09-09 09:23:19 +0300 | [diff] [blame] | 75 | memset(bus_yangtze, 0, sizeof(bus_yangtze)); |
WANG Siyuan | f77f734 | 2013-08-13 17:09:51 +0800 | [diff] [blame] | 76 | |
| 77 | for (i = 0; i < 256; i++) { |
| 78 | bus_type[i] = 0; /* default ISA bus. */ |
| 79 | } |
| 80 | |
| 81 | bus_type[0] = 1; /* pci */ |
| 82 | |
| 83 | // bus_yangtze[0] = (sysconf.pci1234[0] >> 16) & 0xff; |
| 84 | bus_yangtze[0] = (pci1234x[0] >> 16) & 0xff; |
| 85 | |
| 86 | /* yangtze */ |
| 87 | dev = dev_find_slot(bus_yangtze[0], PCI_DEVFN(sbdn_yangtze + 0x14, 4)); |
| 88 | |
| 89 | if (dev) { |
| 90 | bus_yangtze[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 91 | |
| 92 | bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); |
| 93 | bus_isa++; |
| 94 | for (j = bus_yangtze[1]; j < bus_isa; j++) |
| 95 | bus_type[j] = 1; |
| 96 | } |
| 97 | |
| 98 | for (i = 0; i < 4; i++) { |
| 99 | dev = dev_find_slot(bus_yangtze[0], PCI_DEVFN(sbdn_yangtze + 0x14, i)); |
| 100 | if (dev) { |
| 101 | bus_yangtze[2 + i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 102 | bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); |
| 103 | bus_isa++; |
| 104 | } |
| 105 | } |
| 106 | for (j = bus_yangtze[2]; j < bus_isa; j++) |
| 107 | bus_type[j] = 1; |
| 108 | |
| 109 | /* I/O APICs: APIC ID Version State Address */ |
| 110 | bus_isa = 10; |
| 111 | apicid_base = CONFIG_MAX_CPUS; |
| 112 | apicid_yangtze = apicid_base; |
| 113 | } |