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#include <stdint.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <arch/hlt.h>
#include <stdlib.h>
#include <console/console.h>
#include "northbridge/via/vt8601/raminit.h"
#include "cpu/x86/mtrr/earlymtrr.c"
#include "cpu/x86/bist.h"
#include "drivers/pc80/udelay_io.c"
#include "lib/delay.c"
#include "lib/debug.c"
#include "southbridge/via/vt8231/early_smbus.c"
#include "southbridge/via/vt8231/early_serial.c"
#include "southbridge/via/vt8231/enable_rom.c"
static inline int spd_read_byte(unsigned device, unsigned address)
{
return smbus_read_byte(device, address);
}
#include "northbridge/via/vt8601/raminit.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!
*/
/* changed this to work correctly on later revisions of LB.
* The original dev += 0x100; stopped working. It also appears
* that if this is not set here, but in ide_init() only, the IDE
* does not work at all. I assume it needs to be set before something else,
* possibly before enabling the IDE peripheral, or it is a timing issue.
* Ben Hewson 29 Apr 2007.
*/
dev = pci_locate_device(PCI_ID(0x1106,0x0571), 0);
pci_write_config8(dev, 0x42, 0);
}
static void enable_shadow_ram(void)
{
device_t dev = 0;
unsigned char shadowreg;
shadowreg = pci_read_config8(dev, 0x63);
/* 0xf0000-0xfffff */
shadowreg |= 0x30;
pci_write_config8(dev, 0x63, shadowreg);
}
static void main(unsigned long bist)
{
if (bist == 0)
early_mtrr_init();
enable_vt8231_serial();
console_init();
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
vt8231_enable_rom();
enable_mainboard_devices();
enable_smbus();
enable_shadow_ram();
/*
this is way more generic than we need.
sdram_initialize(ARRAY_SIZE(cpu), 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);
}
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