/* * This file is part of the coreboot project. * * Copyright (C) 2006 Indrek Kruusa * Copyright (C) 2006 Ronald G. Minnich * Copyright (C) 2006 Stefan Reinauer * Copyright (C) 2006 Andrei Birjukov * 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. * * 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 #include #include #include #include #include #include #include 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 model_lx_init(device_t dev) { printk(BIOS_DEBUG, "model_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 model_lx_init DONE\n"); }; static struct device_operations cpu_dev_ops = { .init = model_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, };