src/mainboard/tyan/s2882/mainboard.c

   1 #include <console/console.h>
   2 #include <device/device.h>
   3 #include <device/chip.h>
   4 #include <device/pci.h>
   5 #include <device/pci_ids.h>
   6 #include <device/pci_ops.h>
   7 #include "../../../northbridge/amd/amdk8/northbridge.h"
   8 #include "chip.h"
   9 //#include <part/mainboard.h>
  10 //#include "lsi_scsi.c"
  11 unsigned long initial_apicid[CONFIG_MAX_CPUS] =
  12 {
  13         0,1
  14 };
  15 #if 0
  16 static void fixup_lsi_53c1030(struct device *pdev)
  17 {
  18 //      uint8_t byte;
  19         uint16_t word;
  20
  21         byte = 1;
  22         pci_write_config8(pdev, 0xff, byte);
  23            // Set the device id
  24 //      pci_write_config_word(pdev, PCI_DEVICE_ID, PCI_DEVICE_ID_LSILOGIC_53C1030);
  25            // Set the subsytem vendor id
  26 //      pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_TYAN);
  27         word = 0x10f1;
  28         pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word);
  29             // Set the subsytem id
  30         word = 0x2880;
  31         pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word);
  32             // Disable writes to the device id
  33         byte = 0;
  34         pci_write_config8(pdev, 0xff, byte);
  35
  36 //      lsi_scsi_init(pdev);
  37
  38 }
  39 #endif
  40 //extern static void lsi_scsi_init(struct device *dev);
  41 #if 0
  42 static void print_pci_regs(struct device *dev)
  43 {
  44       uint8_t byte;
  45       int i;
  46
  47       for(i=0;i<256;i++) {
  48              byte = pci_read_config8(dev, i);
  49
  50              if((i%16)==0) printk_info("\n%02x:",i);
  51              printk_debug(" %02x",byte);
  52       }
  53       printk_debug("\n");
  54
  55 //        pci_write_config8(dev, 0x4, byte);
  56
  57 }
  58 #endif
  59 #if 0
  60 static void print_mem(void)
  61 {
  62         int i;
  63         int low_1MB = 0;
  64         for(i=low_1MB;i<low_1MB+1024*4;i++) {
  65              if((i%16)==0) printk_debug("\n %08x:",i);
  66              printk_debug(" %02x ",(unsigned char)*((unsigned char *)i));
  67              }
  68
  69         for(i=low_1MB;i<low_1MB+1024*4;i++) {
  70              if((i%16)==0) printk_debug("\n %08x:",i);
  71              printk_debug(" %c ",(unsigned char)*((unsigned char *)i));
  72              }
  73  }
  74 #endif
  75 #if 0
  76 static void amd8111_enable_rom(void)
  77 {
  78         uint8_t byte;
  79         struct device *dev;
  80
  81         /* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
  82         /* Locate the amd8111 */
  83         dev = dev_find_device(0x1022, 0x7468, 0);
  84
  85         /* Set the 4MB enable bit bit */
  86         byte = pci_read_config8(dev, 0x43);
  87         byte |= 0x80;
  88         pci_write_config8(dev, 0x43, byte);
  89 }
  90 #endif
  91 static void onboard_scsi_fixup(void)
  92 {
  93        struct device *dev;
  94         unsigned char i,j,k;
  95 #if 0
  96         for(i=0;i<=5;i++) {
  97                 for(j=0;j<=0x1f;j++) {
  98                         for (k=0;k<=6;k++){
  99                                 dev = dev_find_slot(i, PCI_DEVFN(j, k));
 100                                 if (dev) {
 101                                         printk_debug("%02x:%02x:%02x",i,j,k);
 102                                         print_pci_regs(dev);
 103                                 }
 104                         }
 105                 }
 106         }
 107 #endif
 108
 109
 110 #if 0
 111         dev = dev_find_device(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030,0);
 112         if(!dev) {
 113                 printk_info("LSI_SCSI_FW_FIXUP: No Device Found!");
 114                 return;
 115         }
 116
 117         lsi_scsi_init(dev);
 118 #endif
 119 //      print_mem();
 120 //      amd8111_enable_rom();
 121 }
 122 /*
 123 static void vga_fixup(void) {
 124         // we do this right here because:
 125         // - all the hardware is working, and some VGA bioses seem to need
 126         //   that
 127         // - we need page 0 below for linuxbios tables.
 128 #if CONFIG_REALMODE_IDT == 1
 129         printk_debug("INSTALL REAL-MODE IDT\n");
 130         setup_realmode_idt();
 131 #endif
 132 #if CONFIG_VGABIOS == 1
 133         printk_debug("DO THE VGA BIOS\n");
 134         do_vgabios();
 135         post_code(0x93);
 136 #endif
 137
 138 }
 139  */
 140
 141 static void
 142 enable(struct chip *chip, enum chip_pass pass)
 143 {
 144
 145         struct mainboard_tyan_s2882_config *conf =
 146                 (struct mainboard_tyan_s2882_config *)chip->chip_info;
 147
 148         switch (pass) {
 149                 default: break;
 150 //              case CONF_PASS_PRE_CONSOLE:
 151 //              case CONF_PASS_PRE_PCI:
 152                 case CONF_PASS_POST_PCI:
 153                 case CONF_PASS_PRE_BOOT:
 154 //                      if (conf->fixup_scsi)
 155 //                              onboard_scsi_fixup();
 156 //                      if (conf->fixup_vga)
 157 //                              vga_fixup();
 158 //                      printk_debug("mainboard fixup pass %d done\r\n",pass);
 159                         break;
 160         }
 161
 162 }
 163 void final_mainboard_fixup(void)
 164 {
 165 #if 0
 166         enable_ide_devices();
 167 #endif
 168 }
 169 static struct device_operations mainboard_operations = {
 170         .read_resources   = root_dev_read_resources,
 171         .set_resources    = root_dev_set_resources,
 172         .enable_resources = enable_childrens_resources,
 173         .init             = 0,
 174         .scan_bus         = amdk8_scan_root_bus,
 175         .enable           = 0,
 176 };
 177
 178 static void enumerate(struct chip *chip)
 179 {
 180         struct chip *child;
 181         dev_root.ops = &mainboard_operations;
 182         chip->dev = &dev_root;
 183         chip->bus = 0;
 184         for(child = chip->children; child; child = child->next) {
 185                 child->bus = &dev_root.link[0];
 186         }
 187 }
 188 struct chip_control mainboard_tyan_s2882_control = {
 189         .enable = enable,
 190         .enumerate = enumerate,
 191         .name      = "Tyan s2882 mainboard ",
 192 };
 193