LXR coreboot-v3/mainboard/amp/tinygx/stage1.c

   1/*
   2 * This file is part of the coreboot project.
   3 *
   4 * Copyright (C) 2007 Advanced Micro Devices, Inc.
   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#include <types.h>
  22#include <lib.h>
  23#include <console.h>
  24#include <device/device.h>
  25#include <device/pci.h>
  26#include <string.h>
  27#include <msr.h>
  28#include <io.h>
  29#include <amd_geodelx.h>
  30#include <southbridge/amd/cs5536/cs5536.h>
  31#include <superio/ite/it8716f/it8716f.h>
  32
  33#define SERIAL_DEV IT8716F_SP1
  34#define SERIAL_IOBASE 0x3f8
  35
  36void hardware_stage1(void)
  37{
  38        void it8716f_enable_serial(u8 dev, u8 serial, u16 iobase);
  39
  40        post_code(POST_START_OF_MAIN);
  41        geodelx_msr_init();
  42        cs5536_stage1();
  43
  44        /*
  45         * Note: Must do this AFTER the early_setup! It is counting on some
  46         * early MSR setup for CS5536.
  47         */
  48        cs5536_disable_internal_uart();
  49
  50        it8716f_enable_serial(0x2e, SERIAL_DEV, SERIAL_IOBASE);
  51}
  52
  53void mainboard_pre_payload(void)
  54{
  55        geode_pre_payload();
  56        banner(BIOS_DEBUG, "mainboard_pre_payload: done");
  57}
  58