Add support for Intel Emerald Lake 2 CRB
This adds support for Intel's Emerald Lake 2 board.
Change-Id: Ifaeeac9d52fe655324ee29df5f7187b89b35f73a
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/951
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/mainboard/intel/emeraldlake2/ec.c b/src/mainboard/intel/emeraldlake2/ec.c
new file mode 100644
index 0000000..ac37b0b
--- /dev/null
+++ b/src/mainboard/intel/emeraldlake2/ec.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/acpi.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include <types.h>
+#include <console/console.h>
+#include <ec/smsc/mec1308/ec.h>
+#include "ec.h"
+
+void lumpy_ec_init(void)
+{
+ printk(BIOS_DEBUG, "lumpy_ec_init\n");
+
+ if (acpi_slp_type == 3)
+ return;
+
+ /*
+ * Enable EC control of fan speed.
+ *
+ * This will be changed to OS control in ACPI EC _REG
+ * method when the OS is ready to control the fan.
+ */
+ ec_write(EC_FAN_SPEED, 0);
+
+ send_ec_command_data(EC_BATTERY_MODE, EC_BATTERY_MODE_NORMAL);
+ send_ec_command_data(EC_POWER_BUTTON_MODE, EC_POWER_BUTTON_MODE_OS);
+ send_ec_command(EC_SMI_DISABLE);
+ send_ec_command(EC_ACPI_ENABLE);
+ send_ec_command(EC_BACKLIGHT_ON);
+}