rush: Pull in chromeos.c from nyan into rush

Hardcoded values are set for developer,recovery mode. Change as per requirements

BUG=chrome-os-partner:30784
BRANCH=None
TEST=Compiles succesfully for rush

Original-Change-Id: Ied506a9d1c4e0ba8ee06d57c6ca8c726220998b5
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/209974
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
(cherry picked from commit 2e6934d47c5b4bb98e60486202b230bae79d927b)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: I36e384b0d331fdd9e3f47954decfddaf4f31aed3
Reviewed-on: http://review.coreboot.org/8678
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/mainboard/google/rush/Kconfig

@@ -21,6 +21,7 @@ if BOARD_GOOGLE_RUSH
 
 config BOARD_SPECIFIC_OPTIONS # dummy
 	def_bool y
+	select CHROMEOS
 	select SOC_NVIDIA_TEGRA132
 	select MAINBOARD_HAS_BOOTBLOCK_INIT
 	select BOARD_ROMSIZE_KB_4096

src/mainboard/google/rush/Makefile.inc

@@ -35,5 +35,7 @@ bootblock-y += reset.c
 romstage-y += reset.c
 romstage-y += romstage.c
 romstage-y += sdram_configs.c
+romstage-$(CONFIG_CHROMEOS) += chromeos.c
 
 ramstage-y += mainboard.c
+ramstage-$(CONFIG_CHROMEOS) += chromeos.c

src/mainboard/google/rush/chromeos.c

@@ -0,0 +1,90 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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.
+ *
+ * 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 <boot/coreboot_tables.h>
+#include <console/console.h>
+#include <ec/google/chromeec/ec.h>
+#include <ec/google/chromeec/ec_commands.h>
+#include <string.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include <soc/nvidia/tegra132/gpio.h>
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+	int count = 0;
+
+	/* Write Protect: active low */
+	gpios->gpios[count].port = GPIO_R1_INDEX;
+	gpios->gpios[count].polarity = ACTIVE_LOW;
+	gpios->gpios[count].value = gpio_get_in_value(GPIO(R1));
+	strncpy((char *)gpios->gpios[count].name, "write protect",
+		GPIO_MAX_NAME_LENGTH);
+	count++;
+
+	/* Recovery: active high */
+	gpios->gpios[count].port = -1;
+	gpios->gpios[count].polarity = ACTIVE_HIGH;
+	gpios->gpios[count].value = 1;
+	strncpy((char *)gpios->gpios[count].name, "recovery",
+		GPIO_MAX_NAME_LENGTH);
+	count++;
+
+	/* Lid: active high */
+	gpios->gpios[count].port = GPIO_R4_INDEX;
+	gpios->gpios[count].polarity = ACTIVE_HIGH;
+	gpios->gpios[count].value = 1;
+	strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH);
+	count++;
+
+	/* Power: active low */
+	gpios->gpios[count].port = GPIO_Q0_INDEX;
+	gpios->gpios[count].polarity = ACTIVE_LOW;
+	gpios->gpios[count].value = 1;
+	strncpy((char *)gpios->gpios[count].name, "power",
+		GPIO_MAX_NAME_LENGTH);
+	count++;
+
+	/* Developer: virtual GPIO active high */
+	gpios->gpios[count].port = -1;
+	gpios->gpios[count].polarity = ACTIVE_HIGH;
+	gpios->gpios[count].value = get_developer_mode_switch();
+	strncpy((char *)gpios->gpios[count].name, "developer",
+		GPIO_MAX_NAME_LENGTH);
+	count++;
+
+	gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
+	gpios->count = count;
+
+	printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
+}
+
+int get_developer_mode_switch(void)
+{
+	return 0;
+}
+
+int get_recovery_mode_switch(void)
+{
+	return 0;
+}
+
+int get_write_protect_state(void)
+{
+	return !gpio_get_in_value(GPIO(R1));
+}