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