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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011-2012 Alexandru Gagniuc <mr.nuke.me@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.
*/
/*
* Inspired from the EPIA-M700
*/
#include <stdint.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <console/console.h>
#include <lib.h>
#include <cpu/x86/bist.h>
#include <string.h>
#include <timestamp.h>
#include <northbridge/via/vx900/early_vx900.h>
#include <northbridge/via/vx900/raminit.h>
#include <superio/fintek/common/fintek.h>
#include <superio/fintek/f81865f/f81865f.h>
#define SERIAL_DEV PNP_DEV(0x4e, F81865F_SP1)
/* cache_as_ram.inc jumps to here. */
void main(unsigned long bist)
{
u32 tolm;
timestamp_init(timestamp_get());
timestamp_add_now(TS_START_ROMSTAGE);
/* First thing we need to do on the VX900, before anything else */
vx900_enable_pci_config_space();
/* Serial console is easy to take care of */
fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
printk(BIOS_DEBUG, "Console initialized.\n");
vx900_cpu_bus_interface_setup();
/* Be smart. Get this info */
vx900_print_strapping_info();
/* DEVEL helper */
vx900_disable_auto_reboot();
/* Halt if there was a built-in self test failure. */
report_bist_failure(bist);
/* Oh, almighty, give us the SMBUS */
enable_smbus();
timestamp_add_now(TS_BEFORE_INITRAM);
/* Now we can worry about raminit.
* This board only has DDR3, so no need to worry about which DRAM type
* to use */
dimm_layout dimms = { {0x50, 0x51, SPD_END_LIST} };
vx900_init_dram_ddr3(&dimms);
timestamp_add_now(TS_AFTER_INITRAM);
/* TODO: All these ram_checks are here to ensure we test most of the RAM
* below 4G. They should not be needed once VX900 raminit is stable */
ram_check(0, 0x80);
ram_check(512 << 10, 0x80);
ram_check((1 << 20) - (1 << 10), 0x80);
ram_check((1 << 24), 0x80);
ram_check((512 + 256 - 1) << 20, 0x80);
ram_check(0x80c0000, 0x80);
tolm = vx900_get_tolm () << 20;
if (tolm > (1 * (u32) GiB))
ram_check(1024 << 10, 0x80);
if (tolm > (2 * (u32) GiB))
ram_check(2048 << 20, 0x80);
printk(BIOS_DEBUG, "We passed RAM verify\n");
/* FIXME: read fb_size from CMOS, but until that is implemented, start
* from 512MB */
vx900_set_chrome9hd_fb_size (512);
/* We got RAM working, now we can write the timestamps to RAM */
cbmem_recovery(0);
/* FIXME: See if this is needed or take this out please */
/* Disable Memcard and SDIO */
pci_mod_config8(LPC, 0x51, 0, (1 << 7) | (1 << 4));
}
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