src/mainboard/tyan/s4880/mainboard.c

   1 #include <console/console.h>
   2 #include <device/device.h>
   3 #include <device/pci.h>
   4 #include <device/pci_ids.h>
   5 #include <device/pci_ops.h>
   6 #include "../../../northbridge/amd/amdk8/northbridge.h"
   7 #include "chip.h"
   8 //#include <part/mainboard.h>
   9 //#include "lsi_scsi.c"
  10 unsigned long initial_apicid[CONFIG_MAX_CPUS] =
  11 {
  12         0,1,2,3
  13 };
  14 #if 0
  15 static void fixup_lsi_53c1030(struct device *pdev)
  16 {
  17 //      uint8_t byte;
  18         uint16_t word;
  19
  20         byte = 1;
  21         pci_write_config8(pdev, 0xff, byte);
  22            // Set the device id
  23 //      pci_write_config_word(pdev, PCI_DEVICE_ID, PCI_DEVICE_ID_LSILOGIC_53C1030);
  24            // Set the subsytem vendor id
  25 //      pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_TYAN);
  26         word = 0x10f1;
  27         pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word);
  28             // Set the subsytem id
  29         word = 0x4880;
  30         pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word);
  31             // Disable writes to the device id
  32         byte = 0;
  33         pci_write_config8(pdev, 0xff, byte);
  34
  35 //      lsi_scsi_init(pdev);
  36
  37 }
  38 #endif
  39 //extern static void lsi_scsi_init(struct device *dev);
  40 #if 1
  41 static void print_pci_regs(struct device *dev)
  42 {
  43       uint8_t byte;
  44       int i;
  45
  46       for(i=0;i<256;i++) {
  47              byte = pci_read_config8(dev, i);
  48
  49              if((i%16)==0) printk_debug("\n%02x:",i);
  50              printk_debug(" %02x",byte);
  51       }
  52       printk_debug("\n");
  53
  54 //        pci_write_config8(dev, 0x4, byte);
  55
  56 }
  57 #endif
  58 #if 0
  59 static void print_mem(void)
  60 {
  61         int i;
  62         int low_1MB = 0;
  63         for(i=low_1MB;i<low_1MB+1024*4;i++) {
  64              if((i%16)==0) printk_debug("\n %08x:",i);
  65              printk_debug(" %02x ",(unsigned char)*((unsigned char *)i));
  66              }
  67
  68         for(i=low_1MB;i<low_1MB+1024*4;i++) {
  69              if((i%16)==0) printk_debug("\n %08x:",i);
  70              printk_debug(" %c ",(unsigned char)*((unsigned char *)i));
  71              }
  72  }
  73 #endif
  74 #if 0
  75 static void amd8111_enable_rom(void)
  76 {
  77         uint8_t byte;
  78         struct device *dev;
  79
  80         /* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
  81         /* Locate the amd8111 */
  82         dev = dev_find_device(0x1022, 0x7468, 0);
  83
  84         /* Set the 4MB enable bit bit */
  85         byte = pci_read_config8(dev, 0x43);
  86         byte |= 0x80;
  87         pci_write_config8(dev, 0x43, byte);
  88 }
  89 #endif
  90 #if 1
  91 static void onboard_scsi_fixup(void)
  92 {
  93         struct device *dev;
  94 #if 1
  95         unsigned char i,j,k;
  96
  97         for(i=0;i<=6;i++) {
  98                 for(j=0;j<=0x1f;j++) {
  99                         for (k=0;k<=6;k++){
 100                                 dev = dev_find_slot(i, PCI_DEVFN(j, k));
 101                                 if (dev) {
 102                                         printk_debug("%02x:%02x:%02x",i,j,k);
 103                                         print_pci_regs(dev);
 104                                 }
 105                         }
 106                 }
 107         }
 108 #endif
 109
 110
 111 #if 0
 112         dev = dev_find_device(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030,0);
 113         if(!dev) {
 114                 printk_info("LSI_SCSI_FW_FIXUP: No Device Found!");
 115                 return;
 116         }
 117
 118         lsi_scsi_init(dev);
 119 #endif
 120 //      print_mem();
 121 //      amd8111_enable_rom();
 122 }
 123 #endif
 124 #if 0
 125 static void vga_fixup(void) {
 126         // we do this right here because:
 127         // - all the hardware is working, and some VGA bioses seem to need
 128         //   that
 129         // - we need page 0 below for linuxbios tables.
 130 #if CONFIG_REALMODE_IDT == 1
 131         printk_debug("INSTALL REAL-MODE IDT\n");
 132         setup_realmode_idt();
 133 #endif
 134 #if CONFIG_VGABIOS == 1
 135         printk_debug("DO THE VGA BIOS\n");
 136         do_vgabios();
 137         post_code(0x93);
 138 #endif
 139
 140 }
 141 #endif
 142
 143 static void
 144 enable(struct chip *chip, enum chip_pass pass)
 145 {
 146
 147         struct mainboard_tyan_s4880_config *conf =
 148                 (struct mainboard_tyan_s4880_config *)chip->chip_info;
 149
 150         switch (pass) {
 151                 default: break;
 152 //              case CONF_PASS_PRE_CONSOLE:
 153 //              case CONF_PASS_PRE_PCI:
 154 //              case CONF_PASS_POST_PCI:
 155                 case CONF_PASS_PRE_BOOT:
 156                         if (conf->fixup_scsi)
 157                                 onboard_scsi_fixup();
 158 //                      if (conf->fixup_vga)
 159 //                              vga_fixup();
 160                         printk_debug("mainboard fixup pass %d done\r\n",
 161                                         pass);
 162                         break;
 163         }
 164
 165 }
 166 static struct device_operations mainboard_operations = {
 167         .read_resources   = root_dev_read_resources,
 168         .set_resources    = root_dev_set_resources,
 169         .enable_resources = enable_childrens_resources,
 170         .init             = 0,
 171         .scan_bus         = amdk8_scan_root_bus,
 172         .enable           = 0,
 173 };
 174
 175 static void enumerate(struct chip *chip)
 176 {
 177         struct chip *child;
 178         dev_root.ops = &mainboard_operations;
 179         chip->dev = &dev_root;
 180         chip->bus = 0;
 181         for(child = chip->children; child; child = child->next) {
 182                 child->bus = &dev_root.link[0];
 183         }
 184 }
 185 struct chip_control mainboard_tyan_s4880_control = {
 186         .enable = enable,
 187         .enumerate = enumerate,
 188         .name      = "Tyan s4880 mainboard ",
 189 };
 190
 191