src/mainboard/tyan/s2735/romstage.c

   1 #include <stdint.h>
   2 #include <string.h>
   3 #include <device/pci_def.h>
   4 #include <arch/io.h>
   5 #include <device/pnp_def.h>
   6 #include <arch/romcc_io.h>
   7 #include <cpu/x86/lapic.h>
   8 #include <pc80/mc146818rtc.h>
   9 #include <console/console.h>
  10 #include <lib.h>
  11 #include <spd.h>
  12 #include "southbridge/intel/i82801ex/early_smbus.c"
  13 #include "northbridge/intel/e7501/raminit.h"
  14 #include "northbridge/intel/e7501/debug.c"
  15 #include "superio/winbond/w83627hf/early_serial.c"
  16 #include "cpu/x86/bist.h"
  17
  18 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
  19
  20 // FIXME: There's another hard_reset() in reset.c. Why?
  21 static void hard_reset(void)
  22 {
  23         /* full reset */
  24         outb(0x0a, 0x0cf9);
  25         outb(0x0e, 0x0cf9);
  26 }
  27
  28 static inline int spd_read_byte(unsigned device, unsigned address)
  29 {
  30         return smbus_read_byte(device, address);
  31 }
  32
  33 #include "northbridge/intel/e7501/raminit.c"
  34 #include "northbridge/intel/e7501/reset_test.c"
  35 #include "lib/generic_sdram.c"
  36
  37 void main(unsigned long bist)
  38 {
  39         static const struct mem_controller memctrl[] = {
  40                 {
  41                         .d0 = PCI_DEV(0, 0, 0),
  42                         .d0f1 = PCI_DEV(0, 0, 1),
  43                         .channel0 = { DIMM0, DIMM1, DIMM2, 0 },
  44                         .channel1 = { DIMM4, DIMM5, DIMM6, 0 },
  45                 },
  46         };
  47
  48         if (bist == 0)
  49                 enable_lapic();
  50
  51         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
  52         console_init();
  53
  54         /* Halt if there was a built in self test failure */
  55         report_bist_failure(bist);
  56
  57         if (bios_reset_detected())
  58                 hard_reset();
  59
  60         enable_smbus();
  61 #if 0
  62         dump_spd_registers(&memctrl[0]);
  63         dump_smbus_registers();
  64 #endif
  65
  66         sdram_initialize(1, memctrl);
  67
  68 #if 0
  69         dump_pci_devices();
  70 #endif
  71
  72 #if 1
  73         dump_pci_device(PCI_DEV(0, 0, 0));
  74 #endif
  75 }