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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Indrek Kruusa <indrek.kruusa@artecdesign.ee>
* Copyright (C) 2006 Ronald G. Minnich <rminnich@gmail.com>
* Copyright (C) 2006 Stefan Reinauer <stepan@coresystems.de>
* Copyright (C) 2006 Andrei Birjukov <andrei.birjukov@artecdesign.ee>
* Copyright (C) 2007 Advanced Micro Devices, Inc.
*
* 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.
*/
#include <console/console.h>
#include <device/device.h>
#include <string.h>
#include <cpu/cpu.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/cache.h>
#include <arch/io.h>
static void vsm_end_post_smi(void)
{
__asm__ volatile ("push %ax\n"
"mov $0x5000, %ax\n"
".byte 0x0f, 0x38\n" "pop %ax\n");
}
static void geode_lx_init(device_t dev)
{
printk(BIOS_DEBUG, "geode_lx_init\n");
/* Turn on caching if we haven't already */
x86_enable_cache();
/* Enable the local cpu apics */
//setup_lapic();
// do VSA late init
vsm_end_post_smi();
// Set gate A20 (legacy vsm disables it in late init)
printk(BIOS_DEBUG, "A20 (0x92): %d\n", inb(0x92));
outb(0x02, 0x92);
printk(BIOS_DEBUG, "A20 (0x92): %d\n", inb(0x92));
printk(BIOS_DEBUG, "CPU geode_lx_init DONE\n");
};
static struct device_operations cpu_dev_ops = {
.init = geode_lx_init,
};
static struct cpu_device_id cpu_table[] = {
{X86_VENDOR_AMD, 0x05A2},
{0, 0},
};
static const struct cpu_driver driver __cpu_driver = {
.ops = &cpu_dev_ops,
.id_table = cpu_table,
};
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