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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.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; 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.
*/
/* Platform has no romstage entry point under mainboard directory,
* so this one is named with prefix mainboard.
*/
#include <timestamp.h>
#include <console/console.h>
#include <device/pci_ops.h>
#include <cbmem.h>
#include <cf9_reset.h>
#include <romstage_handoff.h>
#include <southbridge/intel/i82801gx/i82801gx.h>
#include <southbridge/intel/common/gpio.h>
#include <southbridge/intel/common/pmclib.h>
#include <arch/romstage.h>
#include <cpu/x86/lapic.h>
#include "raminit.h"
#include "pineview.h"
static void rcba_config(void)
{
/* Set up virtual channel 0 */
RCBA32(0x0014) = 0x80000001;
RCBA32(0x001c) = 0x03128010;
/* Enable IOAPIC */
RCBA8(OIC) = 0x03;
}
__weak void mb_pirq_setup(void)
{
}
#define LPC_DEV PCI_DEV(0x0, 0x1f, 0x0)
void mainboard_romstage_entry(void)
{
u8 spd_addrmap[4] = {};
int boot_path, cbmem_was_initted;
int s3resume = 0;
enable_lapic();
/* Enable GPIOs */
pci_write_config32(LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE | 1);
pci_write_config8(LPC_DEV, GPIO_CNTL, 0x10);
setup_pch_gpios(&mainboard_gpio_map);
enable_smbus();
/* Perform some early chipset initialization required
* before RAM initialization can work
*/
pineview_early_initialization();
post_code(0x30);
s3resume = southbridge_detect_s3_resume();
if (s3resume) {
boot_path = BOOT_PATH_RESUME;
} else {
if (MCHBAR32(0xf14) & (1 << 8)) /* HOT RESET */
boot_path = BOOT_PATH_RESET;
else
boot_path = BOOT_PATH_NORMAL;
}
get_mb_spd_addrmap(&spd_addrmap[0]);
printk(BIOS_DEBUG, "Initializing memory\n");
timestamp_add_now(TS_BEFORE_INITRAM);
sdram_initialize(boot_path, spd_addrmap);
timestamp_add_now(TS_AFTER_INITRAM);
printk(BIOS_DEBUG, "Memory initialized\n");
post_code(0x31);
mb_pirq_setup();
rcba_config();
cbmem_was_initted = !cbmem_recovery(s3resume);
if (!cbmem_was_initted && s3resume) {
/* Failed S3 resume, reset to come up cleanly */
system_reset();
}
romstage_handoff_init(s3resume);
}
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