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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Mats Erik Andersson <mats.andersson@gisladisker.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define ASSEMBLY 1
#define __PRE_RAM__
#include <stdint.h>
#include <stdlib.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 "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "lib/ramtest.c"
#include "southbridge/intel/i82371eb/i82371eb_enable_rom.c"
#include "southbridge/intel/i82371eb/i82371eb_early_smbus.c"
#include "northbridge/intel/i440bx/raminit.h"
#include "lib/debug.c"
#include "pc80/udelay_io.c"
#include "lib/delay.c"
#include "cpu/x86/mtrr/earlymtrr.c"
#include <cpu/x86/bist.h>
#include "superio/winbond/w83977tf/w83977tf_early_serial.c"
#define SERIAL_DEV PNP_DEV(0x3f0, W83977TF_SP1)
static inline int spd_read_byte(unsigned int device, unsigned int address)
{
return smbus_read_byte(device, address);
}
#include "northbridge/intel/i440bx/raminit.c"
/* #include "northbridge/intel/i440bx/debug.c" */
static void main(unsigned long bist)
{
if (bist == 0)
early_mtrr_init();
w83977tf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
uart_init();
console_init();
report_bist_failure(bist);
/* Enable access to the full ROM chip, needed very early by CBFS. */
i82371eb_enable_rom(PCI_DEV(0, 7, 0)); /* ISA bridge is 00:07.0. */
enable_smbus();
/* dump_spd_registers(); */
sdram_set_registers();
sdram_set_spd_registers();
sdram_enable();
#if 0
ram_check(0, 640 * 1024); /* DOS-area */
ram_check(0x00100000, 0x00400000); /* 1MB to 4MB */
ram_check(0x00100000, 0x03ffffff); /* 1MB to 64MB- */
ram_check(0x03fff000, 0x04000010); /* Across 64MB boundary */
ram_check(0x07ffff00, 0x07fffff0); /* Just below 128MB */
ram_check(0x00100000, 0x07ffffff); /* 1MB to 128MB- */
#endif
}
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