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Corey Osgood33d1af372007-05-09 08:11:52 +00001/*
Stefan Reinauer7e61e452008-01-18 10:35:56 +00002 * This file is part of the coreboot project.
Corey Osgood33d1af372007-05-09 08:11:52 +00003 *
4 * Copyright (C) 2007 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.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
Richard Smith924f92f2006-07-29 17:40:36 +000021#include <stdint.h>
22#include <device/pci_def.h>
23#include <arch/io.h>
24#include <device/pnp_def.h>
25#include <arch/romcc_io.h>
26#include <arch/hlt.h>
Carl-Daniel Hailfinger2ee67792008-10-01 12:52:52 +000027#include <stdlib.h>
Richard Smith924f92f2006-07-29 17:40:36 +000028#include "pc80/serial.c"
Patrick Georgi12584e22010-05-08 09:14:51 +000029#include <console/console.h>
Stefan Reinauerc13093b2009-09-23 18:51:03 +000030#include "lib/ramtest.c"
Uwe Hermann90950922009-10-04 23:50:06 +000031#include "southbridge/intel/i82371eb/i82371eb_enable_rom.c"
Stefan Reinauerac4ca2b2006-08-04 08:58:17 +000032#include "southbridge/intel/i82371eb/i82371eb_early_smbus.c"
Richard Smith924f92f2006-07-29 17:40:36 +000033#include "northbridge/intel/i440bx/raminit.h"
Uwe Hermann598ba432008-10-12 22:34:08 +000034#include "lib/debug.c"
Uwe Hermann8c1c1c02007-10-16 00:13:59 +000035#include "pc80/udelay_io.c"
36#include "lib/delay.c"
Richard Smith924f92f2006-07-29 17:40:36 +000037#include "cpu/x86/mtrr/earlymtrr.c"
38#include "cpu/x86/bist.h"
Uwe Hermann113c2012007-10-30 23:57:59 +000039#include "superio/winbond/w83977tf/w83977tf_early_serial.c"
Richard Smith924f92f2006-07-29 17:40:36 +000040
41#define SERIAL_DEV PNP_DEV(0x3f0, W83977TF_SP1)
42
Uwe Hermann8c1c1c02007-10-16 00:13:59 +000043static inline int spd_read_byte(unsigned int device, unsigned int address)
Richard Smith924f92f2006-07-29 17:40:36 +000044{
Uwe Hermann4c0d39f2007-05-15 10:26:16 +000045 return smbus_read_byte(device, address);
Richard Smith924f92f2006-07-29 17:40:36 +000046}
47
Richard Smith924f92f2006-07-29 17:40:36 +000048#include "northbridge/intel/i440bx/raminit.c"
49#include "northbridge/intel/i440bx/debug.c"
Richard Smith924f92f2006-07-29 17:40:36 +000050
51static void main(unsigned long bist)
52{
Uwe Hermann8c1c1c02007-10-16 00:13:59 +000053 if (bist == 0)
Richard Smith924f92f2006-07-29 17:40:36 +000054 early_mtrr_init();
Uwe Hermann8c1c1c02007-10-16 00:13:59 +000055
Stefan Reinauer08670622009-06-30 15:17:49 +000056 w83977tf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
Richard Smith924f92f2006-07-29 17:40:36 +000057 uart_init();
58 console_init();
Richard Smith924f92f2006-07-29 17:40:36 +000059 report_bist_failure(bist);
Uwe Hermann90950922009-10-04 23:50:06 +000060
61 /* Enable access to the full ROM chip, needed very early by CBFS. */
62 i82371eb_enable_rom(PCI_DEV(0, 4, 0)); /* ISA bridge at 00:04.0. */
63
Corey Osgood33d1af372007-05-09 08:11:52 +000064 enable_smbus();
Uwe Hermann1683cef2008-11-27 00:47:07 +000065 /* dump_spd_registers(); */
66 sdram_set_registers();
67 sdram_set_spd_registers();
68 sdram_enable();
Uwe Hermann113c2012007-10-30 23:57:59 +000069 /* ram_check(0, 640 * 1024); */
Richard Smith924f92f2006-07-29 17:40:36 +000070}
Stefan Reinauer798ef282010-03-29 22:08:01 +000071