#define ASSEMBLY 1


#include <stdint.h>
#include <device/pci_def.h>
#include <cpu/p6/apic.h>
#include <arch/io.h>
#include <device/pnp.h>
#include <arch/romcc_io.h>
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.c"
#include "northbridge/via/vt8601/raminit.h"
/*
 */
void udelay(int usecs) {
  int i;
  for(i = 0; i < usecs; i++)
    outb(i&0xff, 0x80);
}

#include "lib/delay.c"
#include "cpu/p6/boot_cpu.c"
#include "debug.c"

#include "southbridge/via/vt8231/vt8231_early_smbus.c"

#define MAXIMUM_CONSOLE_LOGLEVEL 9
#define DEFAULT_CONSOLE_LOGLEVEL 9

#include "southbridge/via/vt8231/vt8231_early_serial.c"
static void memreset_setup(void)
{
}

/*
  static void memreset(int controllers, const struct mem_controller *ctrl)
  {
  }
*/
static inline int spd_read_byte(unsigned device, unsigned address)
{
  unsigned char c;
  c = smbus_read_byte(device, address);
  return c;
}



#include "northbridge/via/vt8601/raminit.c"
/*
  #include "sdram/generic_sdram.c"
*/

static void
enable_mainboard_devices(void) {
  device_t dev;
  /* dev 0 for southbridge */
  
  dev = pci_locate_device(PCI_ID(0x1106,0x8231), 0);
  
  if (dev == PCI_DEV_INVALID) {
    die("Southbridge not found!!!\n");
  }
  pci_write_config8(dev, 0x50, 7);
  pci_write_config8(dev, 0x51, 0xff);
#if 0
  // This early setup switches IDE into compatibility mode before PCI gets 
  // // a chance to assign I/Os
  //         movl    $CONFIG_ADDR(0, 0x89, 0x42), %eax
  //         //      movb    $0x09, %dl
  //                 movb    $0x00, %dl
  //                         PCI_WRITE_CONFIG_BYTE
  //
#endif
  /* we do this here as in V2, we can not yet do raw operations 
   * to pci!
   */
  dev++; /* ICKY */
  pci_write_config8(dev, 0x42, 0);
}

static void
enable_shadow_ram(void) {
  device_t dev = 0; /* no need to look up 0:0.0 */
  unsigned char shadowreg;
  /* dev 0 for southbridge */
  shadowreg = pci_read_config8(dev, 0x63);
  /* 0xf0000-0xfffff */
  shadowreg |= 0x30;
  pci_write_config8(dev, 0x63, shadowreg);
}
static void main(void)
{
  unsigned long x;
  /*	init_timer();*/
  outb(5, 0x80);

  enable_vt8231_serial();
  enable_mainboard_devices();
  uart_init();
  console_init();
	
  enable_smbus();
  enable_shadow_ram();
  /*
    memreset_setup();
    this is way more generic than we need.
    sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu);
  */
  sdram_set_registers((const struct mem_controller *) 0);
  sdram_set_spd_registers((const struct mem_controller *) 0);
  sdram_enable(0, (const struct mem_controller *) 0);

  /* Check all of memory */
#if 0
  ram_check(0x00000000, msr.lo);
#endif
#if 0
  static const struct {
    unsigned long lo, hi;
  } check_addrs[] = {
    /* Check 16MB of memory @ 0*/
    { 0x00000000, 0x01000000 },
#if TOTAL_CPUS > 1
    /* Check 16MB of memory @ 2GB */
    { 0x80000000, 0x81000000 },
#endif
  };
  int i;
  for(i = 0; i < sizeof(check_addrs)/sizeof(check_addrs[0]); i++) {
    ram_check(check_addrs[i].lo, check_addrs[i].hi);
  }
#endif
}