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Uwe Hermann26f0abd2007-10-31 00:00:57 +00001/*
Stefan Reinauer7e61e452008-01-18 10:35:56 +00002 * This file is part of the coreboot project.
Uwe Hermann26f0abd2007-10-31 00:00:57 +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
21#define ASSEMBLY 1
22
23#include <stdint.h>
24#include <device/pci_def.h>
25#include <arch/io.h>
26#include <device/pnp_def.h>
27#include <arch/romcc_io.h>
28#include <arch/hlt.h>
Carl-Daniel Hailfinger2ee67792008-10-01 12:52:52 +000029#include <stdlib.h>
Uwe Hermann26f0abd2007-10-31 00:00:57 +000030#include "pc80/serial.c"
31#include "arch/i386/lib/console.c"
Stefan Reinauerc13093b2009-09-23 18:51:03 +000032#include "lib/ramtest.c"
Uwe Hermann90950922009-10-04 23:50:06 +000033#include "southbridge/intel/i82371eb/i82371eb_enable_rom.c"
Uwe Hermann26f0abd2007-10-31 00:00:57 +000034#include "southbridge/intel/i82371eb/i82371eb_early_smbus.c"
35#include "northbridge/intel/i440bx/raminit.h"
Uwe Hermann598ba432008-10-12 22:34:08 +000036#include "lib/debug.c"
Uwe Hermann26f0abd2007-10-31 00:00:57 +000037#include "pc80/udelay_io.c"
38#include "lib/delay.c"
39#include "cpu/x86/mtrr/earlymtrr.c"
40#include "cpu/x86/bist.h"
41/* FIXME: The ASUS P3B-F has a Winbond W83977EF, actually. */
42#include "superio/winbond/w83977tf/w83977tf_early_serial.c"
43
44/* FIXME: The ASUS P3B-F has a Winbond W83977EF, actually. */
45#define SERIAL_DEV PNP_DEV(0x3f0, W83977TF_SP1)
46
47static inline int spd_read_byte(unsigned int device, unsigned int address)
48{
49 return smbus_read_byte(device, address);
50}
51
52#include "northbridge/intel/i440bx/raminit.c"
53#include "northbridge/intel/i440bx/debug.c"
Uwe Hermann26f0abd2007-10-31 00:00:57 +000054
55static void main(unsigned long bist)
56{
Uwe Hermann26f0abd2007-10-31 00:00:57 +000057 if (bist == 0)
58 early_mtrr_init();
59
60 /* FIXME: The ASUS P3B-F has a Winbond W83977EF, actually. */
Stefan Reinauer08670622009-06-30 15:17:49 +000061 w83977tf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
Uwe Hermann26f0abd2007-10-31 00:00:57 +000062 uart_init();
63 console_init();
64 report_bist_failure(bist);
Uwe Hermann90950922009-10-04 23:50:06 +000065
66 /* Enable access to the full ROM chip, needed very early by CBFS. */
67 i82371eb_enable_rom(PCI_DEV(0, 4, 0)); /* ISA bridge is 00:04.0. */
68
Uwe Hermann26f0abd2007-10-31 00:00:57 +000069 enable_smbus();
Uwe Hermann1683cef2008-11-27 00:47:07 +000070 /* dump_spd_registers(); */
71 sdram_set_registers();
72 sdram_set_spd_registers();
73 sdram_enable();
Uwe Hermann26f0abd2007-10-31 00:00:57 +000074 /* ram_check(0, 640 * 1024); */
75}