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-rw-r--r--src/mainboard/lenovo/t410/smihandler.c110
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diff --git a/src/mainboard/lenovo/t410/smihandler.c b/src/mainboard/lenovo/t410/smihandler.c
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+++ b/src/mainboard/lenovo/t410/smihandler.c
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * 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 <southbridge/intel/ibexpeak/nvs.h>
+#include <southbridge/intel/common/pmutil.h>
+#include <northbridge/intel/nehalem/nehalem.h>
+#include <ec/acpi/ec.h>
+#include <ec/lenovo/h8/h8.h>
+#include <delay.h>
+#include "dock.h"
+
+#define GPE_EC_SCI 1
+#define GPE_EC_WAKE 13
+
+static void mainboard_smi_handle_ec_sci(void)
+{
+ u8 status = inb(EC_SC);
+ u8 event;
+
+ if (!(status & EC_SCI_EVT))
+ return;
+
+ event = ec_query();
+ printk(BIOS_DEBUG, "EC event %02x\n", event);
+
+ switch (event) {
+ case 0x18:
+ /* Fn-F9 key */
+ case 0x27:
+ /* Power loss */
+ case 0x50:
+ /* Undock Key */
+ ec_clr_bit(0x03, 2);
+ dock_disconnect();
+ break;
+ case 0x37:
+ case 0x58:
+ /* Dock Event */
+ ec_clr_bit(0x03, 2);
+ mdelay(250);
+ dock_connect();
+ ec_set_bit(0x03, 2);
+ /* set dock LED to indicate status */
+ ec_write(0x0c, 0x09);
+ ec_write(0x0c, 0x88);
+ break;
+ default:
+ break;
+ }
+}
+
+void mainboard_smi_gpi(u32 gpi_sts)
+{
+ if (gpi_sts & (1 << GPE_EC_SCI))
+ mainboard_smi_handle_ec_sci();
+}
+
+int mainboard_smi_apmc(u8 data)
+{
+ switch (data) {
+ case APM_CNT_ACPI_ENABLE:
+ /* use 0x1600/0x1604 to prevent races with userspace */
+ ec_set_ports(0x1604, 0x1600);
+ /* route H8SCI to SCI */
+ gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI);
+ /* discard all events, and enable attention */
+ ec_write(0x80, 0x01);
+ break;
+ case APM_CNT_ACPI_DISABLE:
+ /* we have to use port 0x62/0x66, as 0x1600/0x1604 doesn't
+ provide a EC query function */
+ ec_set_ports(0x66, 0x62);
+ /* route H8SCI# to SMI */
+ gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI);
+ /* discard all events, and enable attention */
+ ec_write(0x80, 0x01);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+ if (slp_typ == 3) {
+ u8 ec_wake = ec_read(0x32);
+ /* If EC wake events are enabled, enable wake on EC WAKE GPE. */
+ if (ec_wake & 0x14) {
+ /* Redirect EC WAKE GPE to SCI. */
+ gpi_route_interrupt(GPE_EC_WAKE, GPI_IS_SCI);
+ }
+ }
+}