Add support for Sandybridge based Samsung ChromeBook

Change-Id: I8bf439bc903c1ec105016866753c7cb9ccfe5974
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/952
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/mainboard/samsung/lumpy/ec.h

@@ -0,0 +1,61 @@
+/*
+ * 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
+ */
+
+#ifndef LUMPY_EC_H
+#define LUMPY_EC_H
+
+#define EC_MAILBOX_PORT               0xa00 /* Mailbox IO address */
+#define EC_SMI_GPI                    1     /* GPIO 1 is KBC3_EXTSMI# */
+
+/* Commands */
+#define EC_SMI_ENABLE                 0x74
+#define EC_SMI_DISABLE                0x75
+#define EC_ACPI_ENABLE                0x76 /* Enter ACPI mode */
+#define EC_ACPI_DISABLE               0x77 /* Exit ACPI mode */
+
+/* Commands with data */
+#define EC_AUX_PORT_MODE              0x64 /* PS/2 control mode */
+#define  EC_AUX_PORT_MODE_ENABLE       0x00
+#define  EC_AUX_PORT_MODE_DISABLE      0x01
+#define EC_POWER_BUTTON_MODE          0x63
+#define  EC_POWER_BUTTON_MODE_OS       0x00 /* OS control, 8 second override */
+#define  EC_POWER_BUTTON_MODE_EC       0x01 /* EC control */
+#define EC_BACKLIGHT_OFF              0x67  /* Turn Backlight Off */
+#define EC_BACKLIGHT_ON               0x68  /* Turn Backlight On */
+#define EC_BATTERY_MODE               0x13
+#define  EC_BATTERY_MODE_NORMAL        0x00 /* Normal mode */
+#define  EC_BATTERY_MODE_EXTEND        0x01 /* Battery Life Cycle Extension */
+#define EC_GET_SMI_CAUSE              0x72  /* Get cause of SMI */
+
+/* EC RAM */
+#define EC_FAN_SPEED                  0xca
+#define  EC_FAN_SPEED_LEVEL_0	       0x01 /* Level 0 is fastest */
+#define  EC_FAN_SPEED_LEVEL_1	       0x02 /* Level 1 is fast */
+#define  EC_FAN_SPEED_LEVEL_2	       0x04 /* Level 2 is slow */
+#define  EC_FAN_SPEED_LEVEL_3	       0x08 /* Level 3 is slowest */
+#define  EC_FAN_SPEED_LEVEL_4	       0x10 /* Level 4 is off */
+#define  EC_FAN_SPEED_FLAG_OS          0x80 /* OS control of fan speed */
+
+/* EC SMI */
+#define EC_LID_CLOSE                  0x9c  /* Lid close event */
+#define EC_LID_OPEN                   0x9d  /* Lid open event */
+
+extern void lumpy_ec_init(void);
+
+#endif // LUMPY_EC_H