/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007-2009 coresystems GmbH
 * Copyright (C) 2011 Google 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.
 */

#include <device/device.h>
#include <pc80/mc146818rtc.h>
#include <cf9_reset.h>
#include <smbios.h>
#include <string.h>
#include <drivers/vpd/vpd.h>
#include <console/console.h>
#include <drivers/ipmi/ipmi_ops.h>
#include "ipmi.h"
/* VPD variable for enabling/disabling FRB2 timer. */
#define FRB2_TIMER "FRB2_TIMER"
/* VPD variable for setting FRB2 timer countdown value. */
#define FRB2_COUNTDOWN "FRB2_COUNTDOWN"
#define VPD_LEN 10
/* Default countdown is 15 minutes. */
#define DEFAULT_COUNTDOWN 9000

static void init_frb2_wdt(void)
{

	char val[VPD_LEN];
	/* Enable FRB2 timer by default. */
	u8 enable = 1;
	uint16_t countdown;

	if (vpd_get_bool(FRB2_TIMER, VPD_RW, &enable)) {
		if (!enable) {
			printk(BIOS_DEBUG, "Disable FRB2 timer\n");
			ipmi_stop_bmc_wdt(BMC_KCS_BASE);
		}
	}
	if (enable) {
		if (vpd_gets(FRB2_COUNTDOWN, val, VPD_LEN, VPD_RW)) {
			countdown = (uint16_t)atol(val);
			printk(BIOS_DEBUG, "FRB2 timer countdown set to: %d\n",
				countdown);
		} else {
			printk(BIOS_DEBUG, "FRB2 timer use default value: %d\n",
				DEFAULT_COUNTDOWN);
			countdown = DEFAULT_COUNTDOWN;
		}
		ipmi_init_and_start_bmc_wdt(BMC_KCS_BASE, countdown,
			TIMEOUT_HARD_RESET);
	}
}

/*
 * mainboard_enable is executed as first thing after enumerate_buses().
 * This is the earliest point to add customization.
 */
static void mainboard_enable(struct device *dev)
{
	ipmi_oem_rsp_t rsp;

	init_frb2_wdt();
	if (is_ipmi_clear_cmos_set(&rsp)) {
		/* TODO: Should also try to restore CMOS to cmos.default
		 * if USE_OPTION_TABLE is set */
		cmos_init(1);
		clear_ipmi_flags(&rsp);
		system_reset();
	}
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};

void smbios_fill_dimm_locator(const struct dimm_info *dimm, struct smbios_type17 *t)
{

	char locator[64] = {0};

	snprintf(locator, sizeof(locator), "DIMM_%c%u", 'A' + dimm->channel_num,
		 dimm->dimm_num);
	t->device_locator = smbios_add_string(t->eos, locator);

	snprintf(locator, sizeof(locator), "_Node0_Channel%d_Dimm%d", dimm->channel_num,
		 dimm->dimm_num);
	t->bank_locator = smbios_add_string(t->eos, locator);
}