src/mainboard/tyan/s2735/romstage.c

   1
   2 #include <stdint.h>
   3 #include <string.h>
   4 #include <device/pci_def.h>
   5 #include <arch/io.h>
   6 #include <device/pnp_def.h>
   7 #include <arch/romcc_io.h>
   8 #include <cpu/x86/lapic.h>
   9 #include "option_table.h"
  10 #include "pc80/mc146818rtc_early.c"
  11 #include "pc80/serial.c"
  12 #include "console/console.c"
  13 #include "lib/ramtest.c"
  14
  15 #include "southbridge/intel/i82801ex/i82801ex_early_smbus.c"
  16 #include "northbridge/intel/e7501/raminit.h"
  17
  18 #include "northbridge/intel/e7501/debug.c"
  19 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
  20
  21 #include "cpu/x86/mtrr/earlymtrr.c"
  22 #include "cpu/x86/bist.h"
  23
  24 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
  25
  26 // FIXME: There's another hard_reset() in reset.c. Why?
  27 static void hard_reset(void)
  28 {
  29         /* full reset */
  30         outb(0x0a, 0x0cf9);
  31         outb(0x0e, 0x0cf9);
  32 }
  33
  34 static inline int spd_read_byte(unsigned device, unsigned address)
  35 {
  36         return smbus_read_byte(device, address);
  37 }
  38
  39 #include "northbridge/intel/e7501/raminit.c"
  40 #include "northbridge/intel/e7501/reset_test.c"
  41 #include "lib/generic_sdram.c"
  42
  43 void main(unsigned long bist)
  44 {
  45         static const struct mem_controller memctrl[] = {
  46                 {
  47                         .d0 = PCI_DEV(0, 0, 0),
  48                         .d0f1 = PCI_DEV(0, 0, 1),
  49                         .channel0 = { (0xa<<3)|0, (0xa<<3)|1, (0xa<<3)|2, 0 },
  50                         .channel1 = { (0xa<<3)|4, (0xa<<3)|5, (0xa<<3)|6, 0 },
  51                 },
  52         };
  53
  54         if (bist == 0) {
  55                 enable_lapic();
  56         }
  57
  58         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
  59         uart_init();
  60         console_init();
  61
  62         /* Halt if there was a built in self test failure */
  63         report_bist_failure(bist);
  64
  65         if(bios_reset_detected()) {
  66                 hard_reset();
  67         }
  68
  69         enable_smbus();
  70 #if 0
  71         dump_spd_registers(&memctrl[0]);
  72 #endif
  73 #if 0
  74         dump_smbus_registers();
  75 #endif
  76
  77         sdram_initialize(1, memctrl);
  78
  79 #if 0
  80         dump_pci_devices();
  81 #endif
  82
  83 #if 1
  84         dump_pci_device(PCI_DEV(0, 0, 0));
  85 #endif
  86 }
  87