Yinghai Lu | f55b58d | 2007-02-17 14:28:11 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * This file is part of the LinuxBIOS 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 |
| 28 | #include <cpu/amd/dualcore.h> |
| 29 | #endif |
| 30 | |
| 31 | #include <cpu/amd/amdk8_sysconf.h> |
| 32 | |
| 33 | #include "mb_sysconf.h" |
| 34 | |
| 35 | // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables |
| 36 | struct mb_sysconf_t mb_sysconf; |
| 37 | |
| 38 | unsigned pci1234x[] = |
| 39 | { //Here you only need to set value in pci1234 for HT-IO that could be installed or not |
| 40 | //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail |
| 41 | 0x0000ff0, |
| 42 | 0x0000ff0, |
| 43 | 0x0000ff0, |
| 44 | // 0x0000ff0, |
| 45 | // 0x0000ff0, |
| 46 | // 0x0000ff0, |
| 47 | // 0x0000ff0, |
| 48 | // 0x0000ff0 |
| 49 | }; |
| 50 | unsigned hcdnx[] = |
| 51 | { //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most |
| 52 | 0x20202020, |
| 53 | 0x20202020, |
| 54 | 0x20202020, |
| 55 | // 0x20202020, |
| 56 | // 0x20202020, |
| 57 | // 0x20202020, |
| 58 | // 0x20202020, |
| 59 | // 0x20202020, |
| 60 | }; |
| 61 | |
| 62 | |
| 63 | extern void get_sblk_pci1234(void); |
| 64 | |
| 65 | static unsigned get_bus_conf_done = 0; |
| 66 | |
| 67 | static unsigned get_hcid(unsigned i) |
| 68 | { |
| 69 | unsigned id = 0; |
| 70 | |
| 71 | unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff; |
| 72 | |
| 73 | unsigned devn = sysconf.hcdn[i] & 0xff; |
| 74 | |
| 75 | device_t dev; |
| 76 | |
| 77 | dev = dev_find_slot(busn, PCI_DEVFN(devn,0)); |
| 78 | |
| 79 | switch (dev->device) { |
| 80 | case 0x0369: //IO55 |
| 81 | id = 4; |
| 82 | break; |
| 83 | } |
| 84 | |
| 85 | // we may need more way to find out hcid: subsystem id? GPIO read ? |
| 86 | |
| 87 | // we need use id for 1. bus num, 2. mptable, 3. acpi table |
| 88 | |
| 89 | return id; |
| 90 | } |
| 91 | |
| 92 | void get_bus_conf(void) |
| 93 | { |
| 94 | |
| 95 | unsigned apicid_base; |
| 96 | struct mb_sysconf_t *m; |
| 97 | |
| 98 | device_t dev; |
| 99 | int i, j; |
| 100 | |
| 101 | if(get_bus_conf_done==1) return; //do it only once |
| 102 | |
| 103 | get_bus_conf_done = 1; |
| 104 | |
| 105 | sysconf.mb = &mb_sysconf; |
| 106 | |
| 107 | m = sysconf.mb; |
| 108 | memset(m, 0, sizeof(struct mb_sysconf_t)); |
| 109 | |
| 110 | sysconf.hc_possible_num = sizeof(pci1234x)/sizeof(pci1234x[0]); |
| 111 | |
| 112 | for(i=0;i<sysconf.hc_possible_num; i++) { |
| 113 | sysconf.pci1234[i] = pci1234x[i]; |
| 114 | sysconf.hcdn[i] = hcdnx[i]; |
| 115 | } |
| 116 | |
| 117 | get_sblk_pci1234(); |
| 118 | |
| 119 | sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain |
| 120 | |
| 121 | m->sbdnb = (sysconf.hcdn[1] & 0xff); // first byte of second chain |
| 122 | |
| 123 | m->bus_type[0] = 1; //pci |
| 124 | |
| 125 | m->bus_mcp55[0] = (sysconf.pci1234[0] >> 16) & 0xff; |
| 126 | |
| 127 | /* MCP55 */ |
| 128 | dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0)); |
| 129 | if (dev) { |
| 130 | m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 131 | } |
| 132 | else { |
| 133 | printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06); |
| 134 | } |
| 135 | |
| 136 | for(i=2; i<8;i++) { |
| 137 | dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0)); |
| 138 | if (dev) { |
| 139 | m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 140 | } |
| 141 | else { |
| 142 | printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 ); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | if(m->bus_mcp55[2]) { |
| 147 | for(i=0;i<2; i++) { |
| 148 | dev = dev_find_slot(m->bus_mcp55[2], PCI_DEVFN(0, i)); |
| 149 | if(dev) { |
| 150 | m->bus_pcix[0] = m->bus_mcp55[2]; |
| 151 | m->bus_pcix[i+1] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 152 | } |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | for(i=0; i< sysconf.hc_possible_num; i++) { |
| 157 | if(!(sysconf.pci1234[i] & 0x1) ) continue; |
| 158 | |
| 159 | unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff; |
| 160 | unsigned busn_max = (sysconf.pci1234[i] >> 24) & 0xff; |
| 161 | for (j = busn; j <= busn_max; j++) |
| 162 | m->bus_type[j] = 1; |
| 163 | if(m->bus_isa <= busn_max) |
| 164 | m->bus_isa = busn_max + 1; |
| 165 | printk_debug("i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa); |
| 166 | } |
| 167 | |
| 168 | /* MCP55b */ |
| 169 | for(i=1; i< sysconf.hc_possible_num; i++) { |
| 170 | if (!(sysconf.pci1234[i] & 0x0f) ) continue; |
| 171 | // check hcid type here |
| 172 | sysconf.hcid[i] = get_hcid(i); |
| 173 | if (!sysconf.hcid[i]) continue; //unknown co processor |
| 174 | |
| 175 | m->bus_mcp55b[0] = (sysconf.pci1234[1]>>16) & 0xff; |
| 176 | m->bus_mcp55b[1] = m->bus_mcp55b[0]+1; //fake pci |
| 177 | |
| 178 | for(i=2; i<8;i++) { |
| 179 | dev = dev_find_slot(m->bus_mcp55b[0], PCI_DEVFN(m->sbdnb + 0x0a + i - 2 , 0)); |
| 180 | if (dev) { |
| 181 | m->bus_mcp55b[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| 182 | } |
| 183 | else { |
| 184 | printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55b[0], m->sbdnb + 0x0a + i - 2 ); |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | |
| 190 | /*I/O APICs: APIC ID Version State Address*/ |
| 191 | #if CONFIG_LOGICAL_CPUS==1 |
| 192 | apicid_base = get_apicid_base(2); |
| 193 | #else |
| 194 | apicid_base = CONFIG_MAX_PHYSICAL_CPUS; |
| 195 | #endif |
| 196 | m->apicid_mcp55 = apicid_base+0; |
| 197 | m->apicid_mcp55b = apicid_base+1; |
| 198 | |
| 199 | } |