src/mainboard/tyan/s2875/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 unsigned long initial_apicid[CONFIG_MAX_CPUS] =
  10 {
  11         0,1
  12 };
  13 #if 0
  14 static void fixup_lsi_53c1030(struct device *pdev)
  15 {
  16 //      uint8_t byte;
  17         uint16_t word;
  18
  19         byte = 1;
  20         pci_write_config8(pdev, 0xff, byte);
  21            // Set the device id
  22 //      pci_write_config_word(pdev, PCI_DEVICE_ID, PCI_DEVICE_ID_LSILOGIC_53C1030);
  23            // Set the subsytem vendor id
  24 //      pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_TYAN);
  25         word = 0x10f1;
  26         pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word);
  27             // Set the subsytem id
  28         word = 0x2880;
  29         pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word);
  30             // Disable writes to the device id
  31         byte = 0;
  32         pci_write_config8(pdev, 0xff, byte);
  33
  34 //      lsi_scsi_init(pdev);
  35
  36 }
  37 #endif
  38 //extern static void lsi_scsi_init(struct device *dev);
  39 #if 0
  40 static void print_pci_regs(struct device *dev)
  41 {
  42       uint8_t byte;
  43       int i;
  44
  45       for(i=0;i<256;i++) {
  46              byte = pci_read_config8(dev, i);
  47
  48              if((i%16)==0) printk_debug("\n%02x:",i);
  49              printk_debug(" %02x",byte);
  50       }
  51       printk_debug("\n");
  52
  53 //        pci_write_config8(dev, 0x4, byte);
  54
  55 }
  56 #endif
  57 #if 0
  58 static void print_mem(void)
  59 {
  60         int i;
  61         int low_1MB = 0;
  62         for(i=low_1MB;i<low_1MB+1024*4;i++) {
  63              if((i%16)==0) printk_debug("\n %08x:",i);
  64              printk_debug(" %02x ",(unsigned char)*((unsigned char *)i));
  65              }
  66
  67         for(i=low_1MB;i<low_1MB+1024*4;i++) {
  68              if((i%16)==0) printk_debug("\n %08x:",i);
  69              printk_debug(" %c ",(unsigned char)*((unsigned char *)i));
  70              }
  71  }
  72 #endif
  73 #if 0
  74 static void amd8111_enable_rom(void)
  75 {
  76         uint8_t byte;
  77         struct device *dev;
  78
  79         /* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
  80         /* Locate the amd8111 */
  81         dev = dev_find_device(0x1022, 0x7468, 0);
  82
  83         /* Set the 4MB enable bit bit */
  84         byte = pci_read_config8(dev, 0x43);
  85         byte |= 0x80;
  86         pci_write_config8(dev, 0x43, byte);
  87 }
  88 #endif
  89 #if 0
  90 static void onboard_scsi_fixup(void)
  91 {
  92         struct device *dev;
  93 #if 1
  94         unsigned char i,j,k;
  95
  96         for(i=0;i<=6;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 #endif
 123 #if 0
 124 static void vga_fixup(void) {
 125         // we do this right here because:
 126         // - all the hardware is working, and some VGA bioses seem to need
 127         //   that
 128         // - we need page 0 below for linuxbios tables.
 129 #if CONFIG_REALMODE_IDT == 1
 130         printk_debug("INSTALL REAL-MODE IDT\n");
 131         setup_realmode_idt();
 132 #endif
 133 #if CONFIG_VGABIOS == 1
 134         printk_debug("DO THE VGA BIOS\n");
 135         do_vgabios(0x0600);
 136         post_code(0x93);
 137 #endif
 138
 139 }
 140
 141 #endif
 142
 143
 144 static void
 145 enable(struct chip *chip, enum chip_pass pass)
 146 {
 147
 148         struct mainboard_tyan_s2875_config *conf =
 149                 (struct mainboard_tyan_s2875_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 void final_mainboard_fixup(void)
 168 {
 169 #if 0
 170         enable_ide_devices();
 171 #endif
 172 }
 173 static struct device_operations mainboard_operations = {
 174         .read_resources   = root_dev_read_resources,
 175         .set_resources    = root_dev_set_resources,
 176         .enable_resources = enable_childrens_resources,
 177         .init             = 0,
 178         .scan_bus         = amdk8_scan_root_bus,
 179         .enable           = 0,
 180 };
 181
 182 static void enumerate(struct chip *chip)
 183 {
 184         struct chip *child;
 185         dev_root.ops = &mainboard_operations;
 186         chip->dev = &dev_root;
 187         chip->bus = 0;
 188         for(child = chip->children; child; child = child->next) {
 189                 child->bus = &dev_root.link[0];
 190         }
 191 }
 192 struct chip_control mainboard_tyan_s2875_control = {
 193         .enable = enable,
 194         .enumerate = enumerate,
 195         .name      = "Tyan s2875 mainboard ",
 196 };