blaze: Create a nyan_blaze mainboard, copied from nyan_big

The nyan_blaze board will have different BCT .inc files, to be
added/updated later. GPIOs and some devicetree stuff may also differ.

BUG=None
TEST=Built nyan, nyan_big and nyan_blaze.
BRANCH=None

Original-Change-Id: I8b16fc71346cf973983aa046096b79cb83ad4bb6
Original-Signed-off-by: Tom Warren <twarren@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/190721
Original-Reviewed-by: Gabe Black <gabeblack@chromium.org>
Original-Tested-by: Julius Werner <jwerner@chromium.org>
(cherry picked from commit bea753131e2247a90cc5359fa5f603026d66c7ce)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: I435ae78da2f6c4f1a78fea8300b6285e52272535
Reviewed-on: http://review.coreboot.org/7453
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>

1 files changed, 103 insertions, 0 deletions

diff --git a/src/mainboard/google/nyan_blaze/chromeos.c b/src/mainboard/google/nyan_blaze/chromeos.c
new file mode 100644
index 000000000000..16f0c9878ea8
--- /dev/null
+++ b/src/mainboard/google/nyan_blaze/chromeos.c
@@ -0,0 +1,103 @@
+/*
+ * 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/tegra124/gpio.h>
+
+//enum {
+//	ACTIVE_LOW = 0,
+//	ACTIVE_HIGH = 1
+//};
+
+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 = get_recovery_mode_switch();
+	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 = gpio_get_in_value(GPIO(R4));
+	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 = gpio_get_in_value(GPIO(Q0));
+	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)
+{
+	uint32_t ec_events;
+
+	/* The GPIO is active low. */
+	if (!gpio_get_in_value(GPIO(Q7))) // RECMODE_GPIO
+		return 1;
+
+	ec_events = google_chromeec_get_events_b();
+	return !!(ec_events &
+		  EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
+}
+
+int get_write_protect_state(void)
+{
+	return !gpio_get_in_value(GPIO(R1));
+}