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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
* Copyright (C) 2008 Ronald G. Minnich <rminnich@gmail.com>
*
* 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
*/
#include <types.h>
#include <lib.h>
#include <console.h>
#include <device/device.h>
#include <device/pci.h>
#include <string.h>
#include <msr.h>
#include <io.h>
#include <amd_geodelx.h>
#include <southbridge/amd/cs5536/cs5536.h>
#include <northbridge/amd/geodelx/raminit.h>
#include <arch/x86/msr.h>
static const struct msrinit dbe62_msr[] = {
{.msrnum = 0x10000020, {.lo = 0x00fff80, .hi = 0x20000000}},
{.msrnum = 0x10000021, {.lo = 0x80fffe0, .hi = 0x20000000}},
{.msrnum = 0x40000020, {.lo = 0x00fff80, .hi = 0x20000000}},
{.msrnum = 0x40000021, {.lo = 0x80fffe0, .hi = 0x20000000}},
};
static void dbe62_msr_init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(dbe62_msr); i++)
wrmsr(dbe62_msr[i].msrnum, dbe62_msr[i].msr);
}
void hardware_stage1(void)
{
post_code(POST_START_OF_MAIN);
dbe62_msr_init();
cs5536_stage1();
/*
* NOTE: Must do this AFTER the early_setup! It is counting on some
* early MSR setup for the CS5536.
*/
cs5536_setup_onchipuart(2);
/* Set up 4MB mode for Artec LPC Dongle (this should be a no-op when not booting from the dongle) */
outb(0xf4,0x88);
}
void mainboard_pre_payload(void)
{
geode_pre_payload();
banner(BIOS_DEBUG, "mainboard_pre_payload: done");
}
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