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superio/nuvoton/nct5572d: Enable power state after power failure support

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Change-Id: Ia0313b9ecd64c9e6f99a140772ebb35abe0175fd
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/11950
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Timothy Pearson 2015-09-05 18:26:30 -05:00 committed by Patrick Georgi
parent a8d73a3957
commit 907ea331f2
1 changed files with 29 additions and 0 deletions
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29
src/superio/nuvoton/nct5572d/superio.c
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@ -3,6 +3,7 @@
*
* Copyright (C) 2014 Felix Held <felix-coreboot@felixheld.de>
* Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
*
* 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
@ -19,17 +20,29 @@
* Foundation, Inc.
*/
#include <console/console.h>
#include <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <pc80/keyboard.h>
#include <pc80/mc146818rtc.h>
#include <stdlib.h>
#include <superio/conf_mode.h>
#include "nct5572d.h"
#define MAINBOARD_POWER_OFF 0
#define MAINBOARD_POWER_ON 1
#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL
#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
#endif
static void nct5572d_init(struct device *dev)
{
uint8_t byte;
uint8_t power_status;
if (!dev->enabled)
return;
@ -38,6 +51,22 @@ static void nct5572d_init(struct device *dev)
case NCT5572D_KBC:
pc_keyboard_init();
break;
case NCT5572D_ACPI:
/* Set power state after power fail */
power_status = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
get_option(&power_status, "power_on_after_fail");
pnp_enter_conf_mode_8787(dev);
pnp_set_logical_device(dev);
byte = pnp_read_config(dev, 0xe4);
byte &= ~0x60;
if (power_status == 1)
byte |= (0x1 << 5); /* Force power on */
else if (power_status == 2)
byte |= (0x2 << 5); /* Use last power state */
pnp_write_config(dev, 0xe4, byte);
pnp_exit_conf_mode_aa(dev);
printk(BIOS_INFO, "set power %s after power fail\n", power_status ? "on" : "off");
break;
}
}