src/mainboard/tyan/s2895/get_bus_conf.c

   1 #include <console/console.h>
   2 #include <device/pci.h>
   3 #include <device/pci_ids.h>
   4 #include <string.h>
   5 #include <stdint.h>
   6 #if CONFIG_LOGICAL_CPUS==1
   7 #include <cpu/amd/dualcore.h>
   8 #endif
   9
  10
  11 // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
  12 //busnum is default
  13         unsigned char bus_isa;
  14         unsigned char bus_ck804_0; //1
  15         unsigned char bus_ck804_1; //2
  16         unsigned char bus_ck804_2; //3
  17         unsigned char bus_ck804_3; //4
  18         unsigned char bus_ck804_4; //5
  19         unsigned char bus_ck804_5; //6
  20         unsigned char bus_8131_0;  //7
  21         unsigned char bus_8131_1;  //8
  22         unsigned char bus_8131_2;  //9
  23         unsigned char bus_ck804b_0;//a
  24         unsigned char bus_ck804b_1;//b
  25         unsigned char bus_ck804b_2;//c
  26         unsigned char bus_ck804b_3;//d
  27         unsigned char bus_ck804b_4;//e
  28         unsigned char bus_ck804b_5;//f
  29         unsigned apicid_ck804;
  30         unsigned apicid_8131_1;
  31         unsigned apicid_8131_2;
  32         unsigned apicid_ck804b;
  33
  34 unsigned sblk;
  35 unsigned pci1234[] =
  36 {        //Here you only need to set value in pci1234 for HT-IO that could be installed or not
  37          //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
  38         0x0000ff0,
  39         0x0000ff0,
  40         0x0000ff0,
  41 //        0x0000ff0,
  42 //        0x0000ff0,
  43 //        0x0000ff0,
  44 //        0x0000ff0,
  45 //        0x0000ff0
  46 };
  47 unsigned hc_possible_num;
  48 unsigned sbdn;
  49 unsigned hcdn[] =
  50 { //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
  51         0x20202020,
  52         0x20202020,
  53         0x20202020,
  54 //        0x20202020,
  55 //        0x20202020,
  56 //        0x20202020,
  57 //        0x20202020,
  58 //        0x20202020,
  59 };
  60 unsigned sbdn3;
  61 unsigned sbdnb;
  62
  63 extern void get_sblk_pci1234(void);
  64
  65 static unsigned get_bus_conf_done = 0;
  66
  67 void get_bus_conf(void)
  68 {
  69
  70         unsigned apicid_base;
  71
  72         device_t dev;
  73
  74         if(get_bus_conf_done==1) return; //do it only once
  75
  76         get_bus_conf_done = 1;
  77
  78         hc_possible_num = sizeof(pci1234)/sizeof(pci1234[0]);
  79
  80         get_sblk_pci1234();
  81
  82         sbdn = (hcdn[0] & 0xff); // first byte of first chain
  83
  84         sbdn3 = (hcdn[1] & 0xff);
  85
  86         sbdnb = (hcdn[2] & 0xff); // first byte of second chain
  87
  88 //      bus_ck804_0 = node_link_to_bus(0, sblk);
  89         bus_ck804_0 = (pci1234[0] >> 16) & 0xff;
  90
  91                 /* CK804 */
  92                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x09,0));
  93                 if (dev) {
  94                         bus_ck804_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
  95 #if 0
  96                         bus_ck804_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
  97                         bus_ck804_2++;
  98 #else
  99                         bus_ck804_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 100                         bus_ck804_5++;
 101 #endif
 102                 }
 103                 else {
 104                         printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x09);
 105
 106                         bus_ck804_1 = 2;
 107 #if 0
 108                         bus_ck804_2 = 3;
 109 #else
 110                         bus_ck804_5 = 3;
 111 #endif
 112
 113                 }
 114 #if 0
 115                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0b,0));
 116                 if (dev) {
 117                         bus_ck804_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 118                         bus_ck804_3 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 119                         bus_ck804_3++;
 120                 }
 121                 else {
 122                         printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x0b);
 123
 124                         bus_ck804_3 = bus_ck804_2+1;
 125                 }
 126
 127                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0c,0));
 128                 if (dev) {
 129                         bus_ck804_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 130                         bus_ck804_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 131                         bus_ck804_4++;
 132                 }
 133                 else {
 134                         printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x0c);
 135
 136                         bus_ck804_4 = bus_ck804_3+1;
 137                 }
 138
 139
 140                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0d,0));
 141                 if (dev) {
 142                         bus_ck804_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 143                         bus_ck804_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 144                         bus_ck804_5++;
 145                 }
 146                 else {
 147                         printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n",sbdn + 0x0d);
 148
 149                         bus_ck804_5 = bus_ck804_4+1;
 150                 }
 151 #endif
 152
 153                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn+ 0x0e,0));
 154                 if (dev) {
 155                         bus_ck804_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 156                 }
 157                 else {
 158                         printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn+ 0x0e);
 159                 }
 160
 161                 bus_8131_0 = (pci1234[1] >> 16) & 0xff;
 162                 /* 8131-1 */
 163                 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
 164                 if (dev) {
 165                         bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 166                         bus_8131_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 167                         bus_8131_2++;
 168                 }
 169                 else {
 170                         printk_debug("ERROR - could not find PCI %02x:01.0, using defaults\n", bus_8131_0);
 171
 172                         bus_8131_1 = bus_8131_0+1;
 173                         bus_8131_2 = bus_8131_0+2;
 174                 }
 175                 /* 8131-2 */
 176                 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
 177                 if (dev) {
 178                         bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 179                         bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 180                         bus_isa++;
 181                 }
 182                 else {
 183                         printk_debug("ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
 184
 185                         bus_8131_2 = bus_8131_1+1;
 186                 }
 187
 188                 /* CK804b */
 189
 190         if(pci1234[2] & 0xf) { //if the second cpu is installed
 191                 bus_ck804b_0 = (pci1234[2]>>16) & 0xff;
 192 #if 0
 193                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x09,0));
 194                 if (dev) {
 195                         bus_ck804b_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 196                         bus_ck804b_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 197                         bus_ck804b_2++;
 198                 }
 199                 else {
 200                         printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x09);
 201
 202                         bus_ck804b_1 = bus_ck804b_0+1;
 203                         bus_ck804b_2 = bus_ck804b_0+2;
 204                 }
 205
 206                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0b,0));
 207                 if (dev) {
 208                         bus_ck804b_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 209                         bus_ck804b_3 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 210                         bus_ck804b_3++;
 211                 }
 212                 else {
 213                         printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0b);
 214
 215                         bus_ck804b_2 = bus_ck804b_0+1;
 216                         bus_ck804b_3 = bus_ck804b_0+2;
 217                 }
 218
 219                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0c,0));
 220                 if (dev) {
 221                         bus_ck804b_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 222                         bus_ck804b_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 223                         bus_ck804b_4++;
 224                 }
 225                 else {
 226                         printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0c);
 227
 228                         bus_ck804b_4 = bus_ck804b_3+1;
 229                 }
 230                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0d,0));
 231                 if (dev) {
 232                         bus_ck804b_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 233                         bus_ck804b_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 234                         bus_ck804b_5++;
 235                 }
 236                 else {
 237                         printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0d);
 238
 239                         bus_ck804b_5 = bus_ck804b_4+1;
 240                 }
 241 #endif
 242
 243                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0e,0));
 244                 if (dev) {
 245                         bus_ck804b_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 246                         bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 247                         bus_isa++;
 248                 }
 249                 else {
 250                         printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0e);
 251 #if 1
 252                         bus_ck804b_5 = bus_ck804b_4+1;
 253 #endif
 254
 255                         bus_isa = bus_ck804b_5+1;
 256                 }
 257         }
 258
 259
 260 /*I/O APICs:    APIC ID Version State           Address*/
 261 #if CONFIG_LOGICAL_CPUS==1
 262         apicid_base = get_apicid_base(4);
 263 #else
 264         apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
 265 #endif
 266         apicid_ck804 = apicid_base+0;
 267         apicid_8131_1 = apicid_base+1;
 268         apicid_8131_2 = apicid_base+2;
 269         apicid_ck804b = apicid_base+3;
 270
 271 }