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Diffstat (limited to 'src/mainboard/google/guado/smihandler.c')
-rw-r--r--src/mainboard/google/guado/smihandler.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/mainboard/google/guado/smihandler.c b/src/mainboard/google/guado/smihandler.c
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+++ b/src/mainboard/google/guado/smihandler.c
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright 2014 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 <arch/io.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <soc/pm.h>
+#include <soc/smm.h>
+#include <elog.h>
+#include <ec/google/chromeec/ec.h>
+#include <soc/gpio.h>
+#include <soc/iomap.h>
+#include <soc/nvs.h>
+#include <soc/pm.h>
+#include <soc/smm.h>
+#include <superio/ite/it8772f/it8772f.h>
+#include "onboard.h"
+
+
+int mainboard_io_trap_handler(int smif)
+{
+ switch (smif) {
+ case 0x99:
+ printk(BIOS_DEBUG, "Sample\n");
+ smm_get_gnvs()->smif = 0;
+ break;
+ default:
+ return 0;
+ }
+
+ /* On success, the IO Trap Handler returns 0
+ * On failure, the IO Trap Handler returns a value != 0
+ *
+ * For now, we force the return value to 0 and log all traps to
+ * see what's going on.
+ */
+ return 1;
+}
+
+/* gpi_sts is GPIO 47:32 */
+void mainboard_smi_gpi(u32 gpi_sts)
+{
+}
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+ /* Disable USB charging if required */
+ switch (slp_typ) {
+ case 3:
+ it8772f_gpio_led(IT8772F_GPIO_DEV, 1 /* set */, 0x01 /* select */,
+ 0x01 /* polarity */, 0x01 /* 1=pullup */,
+ 0x01 /* output */, 0x00, /* 0=Alternate function */
+ SIO_GPIO_BLINK_GPIO10, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
+ break;
+ case 5:
+ it8772f_gpio_led(IT8772F_GPIO_DEV, 1 /* set */, 0x01 /* select */,
+ 0x00 /* polarity: non-inverting */, 0x00 /* 0=pulldown */,
+ 0x01 /* output */, 0x01 /* 1=Simple IO function */,
+ SIO_GPIO_BLINK_GPIO10, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
+ break;
+ default:
+ break;
+ }
+ return;
+}
+
+int mainboard_smi_apmc(u8 apmc)
+{
+ switch (apmc) {
+ case APM_CNT_ACPI_ENABLE:
+ break;
+ case APM_CNT_ACPI_DISABLE:
+ break;
+ }
+ return 0;
+}