| /* |
| * 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, |
| }; |