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From e2c23ef578b911c1fe91b582c5c26a2b1e6fcaca Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineeringinc.com>
Date: Sat, 5 Sep 2015 18:26:30 -0500
Subject: [PATCH 018/143] superio/nuvoton/nct5572d: Enable power state after
power failure support
Change-Id: Ia0313b9ecd64c9e6f99a140772ebb35abe0175fd
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
---
src/superio/nuvoton/nct5572d/superio.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/src/superio/nuvoton/nct5572d/superio.c b/src/superio/nuvoton/nct5572d/superio.c
index c5278d6..3b71c6b 100644
--- a/src/superio/nuvoton/nct5572d/superio.c
+++ b/src/superio/nuvoton/nct5572d/superio.c
@@ -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;
}
}
--
1.7.9.5
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