src/mainboard/asrock/e350m1/romstage.c

/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2011 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; version 2 of the License.
 *
 * 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 <stdint.h>
#include <string.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include <arch/stages.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <arch/cpu.h>
#include <cpu/x86/lapic.h>
#include <console/console.h>
#include <console/loglevel.h>
#include "agesawrapper.h"
#include "cpu/x86/bist.h"
#include "superio/winbond/w83627hf/early_serial.c"
#include "cpu/x86/lapic/boot_cpu.c"
#include "pc80/i8254.c"
#include "pc80/i8259.c"
#include "SbEarly.h"
#include "SBPLATFORM.h"

void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx);

#define SERIAL_DEV PNP_DEV(CONFIG_SIO_PORT, W83627HF_SP1)

void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	u32 val;
	u8 reg8;

	// all cores: allow caching of flash chip code and data
	// (there are no cache-as-ram reliability concerns with family 14h)
	__writemsr(0x20c, (0x0100000000ull - CONFIG_ROM_SIZE) | 5);
	__writemsr(0x20d, (0x1000000000ull - CONFIG_ROM_SIZE) | 0x800);

	// all cores: set pstate 0 (1600 MHz) early to save a few ms of boot time
	__writemsr(0xc0010062, 0);

	// early enable of PrefetchEnSPIFromHost
	if (boot_cpu()) {
		__outdword(0xcf8, 0x8000a3b8);
		__outdword(0xcfc, __indword(0xcfc) | 1 << 24);
	}
	// early enable of SPI 33 MHz fast mode read
	if (boot_cpu()) {
		volatile u32 *spiBase = (void *)0xa0000000;
		u32 save;
		__outdword(0xcf8, 0x8000a3a0);
		save = __indword(0xcfc);
		__outdword(0xcfc, (u32) spiBase | 2);	// set temp MMIO base
		spiBase[3] = (spiBase[3] & ~(3 << 14)) | (1 << 14);
		spiBase[0] |= 1 << 18;	// fast read enable
		__outdword(0xcfc, save);	// clear temp base
	}

	if (!cpu_init_detectedx && boot_cpu()) {
		post_code(0x30);
		sb_poweron_init();

		post_code(0x31);
		w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
		console_init();
	}
	//reg8 = pmio_read(0x24);
	outb(0x24, 0xCD6);
	reg8 = inb(0xCD7);
	reg8 |= 1;
	reg8 &= ~(1 << 1);
	//pmio_write(0x24, reg8);
	outb(0x24, 0xCD6);
	outb(reg8, 0xCD7);

	*(volatile u32 *)(0xFED80000 + 0xE00 + 0x40) &= ~((1 << 0) | (1 << 2));	/* 48Mhz */
	*(volatile u32 *)(0xFED80000 + 0xE00 + 0x40) |= 1 << 1;	/* 48Mhz */

	/* Halt if there was a built in self test failure */
	post_code(0x34);
	report_bist_failure(bist);

	// Load MPB
	val = cpuid_eax(1);
	printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
	printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);

	post_code(0x35);
	val = agesawrapper_amdinitmmio();

	post_code(0x37);
	val = agesawrapper_amdinitreset();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n",
		       val);
	}

	post_code(0x38);
	printk(BIOS_DEBUG, "Got past sb800_early_setup\n");

	post_code(0x39);
	val = agesawrapper_amdinitearly();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n",
		       val);
	}
	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitearly\n");

	post_code(0x40);
	val = agesawrapper_amdinitpost();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n",
		       val);
	}
	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitpost\n");

	post_code(0x41);
	val = agesawrapper_amdinitenv();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n",
		       val);
	}
	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitenv\n");

	/* Initialize i8259 pic */
	post_code(0x41);
	setup_i8259();

	/* Initialize i8254 timers */
	post_code(0x42);
	setup_i8254();

	post_code(0x50);
	copy_and_run(0);

	post_code(0x54);	// Should never see this post code.
}