src/mainboard/sunw/ultra40/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/multicore.h>
   8 #endif
   9 #include <stdlib.h>
  10 #include <cpu/amd/amdk8_sysconf.h>
  11
  12
  13 // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
  14 //busnum is default
  15         unsigned char bus_isa;
  16         unsigned char bus_ck804_0; //1
  17         unsigned char bus_ck804_1; //2
  18         unsigned char bus_ck804_2; //3
  19         unsigned char bus_ck804_3; //4
  20         unsigned char bus_ck804_4; //5
  21         unsigned char bus_ck804_5; //6
  22         unsigned char bus_8131_0;  //7
  23         unsigned char bus_8131_1;  //8
  24         unsigned char bus_8131_2;  //9
  25         unsigned char bus_ck804b_0;//a
  26         unsigned char bus_ck804b_1;//b
  27         unsigned char bus_ck804b_2;//c
  28         unsigned char bus_ck804b_3;//d
  29         unsigned char bus_ck804b_4;//e
  30         unsigned char bus_ck804b_5;//f
  31         unsigned apicid_ck804;
  32         unsigned apicid_8131_1;
  33         unsigned apicid_8131_2;
  34         unsigned apicid_ck804b;
  35
  36 unsigned sblk;
  37 unsigned pci1234[] =
  38 {        //Here you only need to set value in pci1234 for HT-IO that could be installed or not
  39          //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
  40         0x0000ff0,
  41         0x0000ff0,
  42         0x0000ff0,
  43 //        0x0000ff0,
  44 //        0x0000ff0,
  45 //        0x0000ff0,
  46 //        0x0000ff0,
  47 //        0x0000ff0
  48 };
  49 unsigned hc_possible_num;
  50 unsigned sbdn;
  51 unsigned hcdn[] =
  52 { //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
  53         0x20202020,
  54         0x20202020,
  55         0x20202020,
  56 //        0x20202020,
  57 //        0x20202020,
  58 //        0x20202020,
  59 //        0x20202020,
  60 //        0x20202020,
  61 };
  62 unsigned sbdn3;
  63 unsigned sbdnb;
  64
  65
  66
  67 static unsigned get_bus_conf_done = 0;
  68
  69 void get_bus_conf(void)
  70 {
  71
  72         unsigned apicid_base;
  73
  74         device_t dev;
  75
  76         if(get_bus_conf_done==1) return; //do it only once
  77
  78         get_bus_conf_done = 1;
  79
  80         hc_possible_num = ARRAY_SIZE(pci1234);
  81
  82         get_sblk_pci1234();
  83
  84         sbdn = (hcdn[0] & 0xff); // first byte of first chain
  85
  86         sbdn3 = (hcdn[1] & 0xff);
  87
  88         sbdnb = (hcdn[2] & 0xff); // first byte of second chain
  89
  90 //      bus_ck804_0 = node_link_to_bus(0, sblk);
  91         bus_ck804_0 = (pci1234[0] >> 16) & 0xff;
  92
  93                 /* CK804 */
  94                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x09,0));
  95                 if (dev) {
  96                         bus_ck804_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
  97 #if 0
  98                         bus_ck804_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
  99                         bus_ck804_2++;
 100 #else
 101                         bus_ck804_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 102                         bus_ck804_5++;
 103 #endif
 104                 }
 105                 else {
 106                         printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x09);
 107
 108                         bus_ck804_1 = 2;
 109 #if 0
 110                         bus_ck804_2 = 3;
 111 #else
 112                         bus_ck804_5 = 3;
 113 #endif
 114
 115                 }
 116 #if 0
 117                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0b,0));
 118                 if (dev) {
 119                         bus_ck804_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 120                         bus_ck804_3 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 121                         bus_ck804_3++;
 122                 }
 123                 else {
 124                         printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x0b);
 125
 126                         bus_ck804_3 = bus_ck804_2+1;
 127                 }
 128
 129                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0c,0));
 130                 if (dev) {
 131                         bus_ck804_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 132                         bus_ck804_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 133                         bus_ck804_4++;
 134                 }
 135                 else {
 136                         printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x0c);
 137
 138                         bus_ck804_4 = bus_ck804_3+1;
 139                 }
 140
 141
 142                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0d,0));
 143                 if (dev) {
 144                         bus_ck804_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 145                         bus_ck804_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 146                         bus_ck804_5++;
 147                 }
 148                 else {
 149                         printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n",sbdn + 0x0d);
 150
 151                         bus_ck804_5 = bus_ck804_4+1;
 152                 }
 153 #endif
 154
 155                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn+ 0x0e,0));
 156                 if (dev) {
 157                         bus_ck804_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 158                 }
 159                 else {
 160                         printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn+ 0x0e);
 161                 }
 162
 163                 bus_8131_0 = (pci1234[1] >> 16) & 0xff;
 164                 /* 8131-1 */
 165                 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
 166                 if (dev) {
 167                         bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 168                         bus_8131_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 169                         bus_8131_2++;
 170                 }
 171                 else {
 172                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:01.0, using defaults\n", bus_8131_0);
 173
 174                         bus_8131_1 = bus_8131_0+1;
 175                         bus_8131_2 = bus_8131_0+2;
 176                 }
 177                 /* 8131-2 */
 178                 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
 179                 if (dev) {
 180                         bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 181                         bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 182                         bus_isa++;
 183                 }
 184                 else {
 185                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
 186
 187                         bus_8131_2 = bus_8131_1+1;
 188                 }
 189
 190                 /* CK804b */
 191
 192         if(pci1234[2] & 0xf) { //if the second cpu is installed
 193                 bus_ck804b_0 = (pci1234[2]>>16) & 0xff;
 194 #if 0
 195                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x09,0));
 196                 if (dev) {
 197                         bus_ck804b_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 198                         bus_ck804b_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 199                         bus_ck804b_2++;
 200                 }
 201                 else {
 202                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x09);
 203
 204                         bus_ck804b_1 = bus_ck804b_0+1;
 205                         bus_ck804b_2 = bus_ck804b_0+2;
 206                 }
 207
 208                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0b,0));
 209                 if (dev) {
 210                         bus_ck804b_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 211                         bus_ck804b_3 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 212                         bus_ck804b_3++;
 213                 }
 214                 else {
 215                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0b);
 216
 217                         bus_ck804b_2 = bus_ck804b_0+1;
 218                         bus_ck804b_3 = bus_ck804b_0+2;
 219                 }
 220
 221                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0c,0));
 222                 if (dev) {
 223                         bus_ck804b_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 224                         bus_ck804b_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 225                         bus_ck804b_4++;
 226                 }
 227                 else {
 228                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0c);
 229
 230                         bus_ck804b_4 = bus_ck804b_3+1;
 231                 }
 232                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0d,0));
 233                 if (dev) {
 234                         bus_ck804b_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 235                         bus_ck804b_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 236                         bus_ck804b_5++;
 237                 }
 238                 else {
 239                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0d);
 240
 241                         bus_ck804b_5 = bus_ck804b_4+1;
 242                 }
 243 #endif
 244
 245                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0e,0));
 246                 if (dev) {
 247                         bus_ck804b_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 248                         bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
 249                         bus_isa++;
 250                 }
 251                 else {
 252                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0e);
 253 #if 1
 254                         bus_ck804b_5 = bus_ck804b_4+1;
 255 #endif
 256
 257                         bus_isa = bus_ck804b_5+1;
 258                 }
 259         }
 260
 261
 262 /*I/O APICs:    APIC ID Version State           Address*/
 263 #if CONFIG_LOGICAL_CPUS==1
 264         apicid_base = get_apicid_base(4);
 265 #else
 266         apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
 267 #endif
 268         apicid_ck804 = apicid_base+0;
 269         apicid_8131_1 = apicid_base+1;
 270         apicid_8131_2 = apicid_base+2;
 271         apicid_ck804b = apicid_base+3;
 272
 273 }