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Uwe Hermanncc447302008-12-15 12:15:49 +00001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
Uwe Hermanncc447302008-12-15 12:15:49 +000015 */
16
Uwe Hermanncc447302008-12-15 12:15:49 +000017#include <stdint.h>
18#include <device/pci_def.h>
19#include <arch/io.h>
20#include <device/pnp_def.h>
Uwe Hermanncc447302008-12-15 12:15:49 +000021#include <stdlib.h>
Patrick Georgi12584e22010-05-08 09:14:51 +000022#include <console/console.h>
Edward O'Callaghan77757c22015-01-04 21:33:39 +110023#include <southbridge/intel/i82371eb/i82371eb.h>
24#include <northbridge/intel/i440bx/raminit.h>
Stefan Reinauerae5e11d2012-04-27 02:31:28 +020025#include "drivers/pc80/udelay_io.c"
Edward O'Callaghanebe3a7a2015-01-05 00:27:54 +110026#include <delay.h>
Edward O'Callaghan77757c22015-01-04 21:33:39 +110027#include <cpu/x86/bist.h>
Edward O'Callaghan6fb379a2014-06-01 17:38:22 +100028#include <superio/winbond/common/winbond.h>
29#include <superio/winbond/w83977tf/w83977tf.h>
Uwe Hermann6f2d20e2010-10-06 19:32:39 +000030#include <lib.h>
Uwe Hermanncc447302008-12-15 12:15:49 +000031
32#define SERIAL_DEV PNP_DEV(0x3f0, W83977TF_SP1)
33
Uwe Hermann115c5b92010-10-09 17:00:18 +000034int spd_read_byte(unsigned int device, unsigned int address)
Uwe Hermanncc447302008-12-15 12:15:49 +000035{
36 return smbus_read_byte(device, address);
37}
38
Aaron Durbina0a37272014-08-14 08:35:11 -050039#include <cpu/intel/romstage.h>
Uwe Hermann6f2d20e2010-10-06 19:32:39 +000040void main(unsigned long bist)
Uwe Hermanncc447302008-12-15 12:15:49 +000041{
Edward O'Callaghan6fb379a2014-06-01 17:38:22 +100042 winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
Uwe Hermanncc447302008-12-15 12:15:49 +000043 console_init();
44 report_bist_failure(bist);
Uwe Hermann90950922009-10-04 23:50:06 +000045
Uwe Hermanncc447302008-12-15 12:15:49 +000046 enable_smbus();
Uwe Hermann6f2d20e2010-10-06 19:32:39 +000047 dump_spd_registers();
Uwe Hermanncc447302008-12-15 12:15:49 +000048 sdram_set_registers();
49 sdram_set_spd_registers();
50 sdram_enable();
Uwe Hermanncc447302008-12-15 12:15:49 +000051}