src/mainboard/tyan/s4880/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         0,1,2,3
  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 = 0x4880;
  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_debug("\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 #if 0
  92 static void onboard_scsi_fixup(void)
  93 {
  94         struct device *dev;
  95 #if 0
  96         unsigned char i,j,k;
  97
  98         for(i=0;i<=6;i++) {
  99                 for(j=0;j<=0x1f;j++) {
 100                         for (k=0;k<=6;k++){
 101                                 dev = dev_find_slot(i, PCI_DEVFN(j, k));
 102                                 if (dev) {
 103                                         printk_debug("%02x:%02x:%02x",i,j,k);
 104                                         print_pci_regs(dev);
 105                                 }
 106                         }
 107                 }
 108         }
 109 #endif
 110
 111
 112 #if 0
 113         dev = dev_find_device(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030,0);
 114         if(!dev) {
 115                 printk_info("LSI_SCSI_FW_FIXUP: No Device Found!");
 116                 return;
 117         }
 118
 119         lsi_scsi_init(dev);
 120 #endif
 121 //      print_mem();
 122 //      amd8111_enable_rom();
 123 }
 124 #endif
 125 #if 0
 126 static void vga_fixup(void) {
 127         // we do this right here because:
 128         // - all the hardware is working, and some VGA bioses seem to need
 129         //   that
 130         // - we need page 0 below for linuxbios tables.
 131 #if CONFIG_REALMODE_IDT == 1
 132         printk_debug("INSTALL REAL-MODE IDT\n");
 133         setup_realmode_idt();
 134 #endif
 135 #if CONFIG_VGABIOS == 1
 136         printk_debug("DO THE VGA BIOS\n");
 137         do_vgabios();
 138         post_code(0x93);
 139 #endif
 140
 141 }
 142 #endif
 143
 144 static void
 145 enable(struct chip *chip, enum chip_pass pass)
 146 {
 147
 148         struct mainboard_tyan_s4880_config *conf =
 149                 (struct mainboard_tyan_s4880_config *)chip->chip_info;
 150
 151         switch (pass) {
 152                 default: break;
 153 //              case CONF_PASS_PRE_CONSOLE:
 154 //              case CONF_PASS_PRE_PCI:
 155 //              case CONF_PASS_POST_PCI:
 156                 case CONF_PASS_PRE_BOOT:
 157 //                      if (conf->fixup_scsi)
 158 //                              onboard_scsi_fixup();
 159 //                      if (conf->fixup_vga)
 160 //                              vga_fixup();
 161                         printk_debug("mainboard fixup pass %d done\r\n",
 162                                         pass);
 163                         break;
 164         }
 165
 166 }
 167 static struct device_operations mainboard_operations = {
 168         .read_resources   = root_dev_read_resources,
 169         .set_resources    = root_dev_set_resources,
 170         .enable_resources = enable_childrens_resources,
 171         .init             = 0,
 172         .scan_bus         = amdk8_scan_root_bus,
 173         .enable           = 0,
 174 };
 175
 176 static void enumerate(struct chip *chip)
 177 {
 178         struct chip *child;
 179         dev_root.ops = &mainboard_operations;
 180         chip->dev = &dev_root;
 181         chip->bus = 0;
 182         for(child = chip->children; child; child = child->next) {
 183                 child->bus = &dev_root.link[0];
 184         }
 185 }
 186 struct chip_control mainboard_tyan_s4880_control = {
 187         .enable = enable,
 188         .enumerate = enumerate,
 189         .name      = "Tyan s4880 mainboard ",
 190 };
 191
 192