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-rw-r--r--src/mainboard/google/rush_ryu/Kconfig21
-rw-r--r--src/mainboard/google/rush_ryu/Makefile.inc2
-rw-r--r--src/mainboard/google/rush_ryu/chromeos.c89
-rw-r--r--src/mainboard/google/rush_ryu/romstage.c2
4 files changed, 114 insertions, 0 deletions
diff --git a/src/mainboard/google/rush_ryu/Kconfig b/src/mainboard/google/rush_ryu/Kconfig
index c489a80920..0b64980a8f 100644
--- a/src/mainboard/google/rush_ryu/Kconfig
+++ b/src/mainboard/google/rush_ryu/Kconfig
@@ -22,9 +22,14 @@ if BOARD_GOOGLE_RUSH_RYU
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select BOARD_ID_SUPPORT
+ select EC_GOOGLE_CHROMEEC
+ select EC_GOOGLE_CHROMEEC_I2C
+ select EC_SOFTWARE_SYNC
+ select SPI_FLASH
select SOC_NVIDIA_TEGRA132
select MAINBOARD_HAS_BOOTBLOCK_INIT
select BOARD_ROMSIZE_KB_4096
+ select VIRTUAL_DEV_SWITCH
config MAINBOARD_DIR
string
@@ -68,4 +73,20 @@ config BOOT_MEDIA_SPI_CHIP_SELECT
help
Which chip select to use for boot media.
+config VBOOT_RAMSTAGE_INDEX
+ hex
+ default 0x2
+
+config DRIVER_TPM_I2C_BUS
+ hex
+ default 0x2
+
+config DRIVER_TPM_I2C_ADDR
+ hex
+ default 0x20
+
+config EC_GOOGLE_CHROMEEC_I2C_BUS
+ hex
+ default 1
+
endif # BOARD_GOOGLE_RUSH_RYU
diff --git a/src/mainboard/google/rush_ryu/Makefile.inc b/src/mainboard/google/rush_ryu/Makefile.inc
index 4f50c6be5c..677b5f5ba7 100644
--- a/src/mainboard/google/rush_ryu/Makefile.inc
+++ b/src/mainboard/google/rush_ryu/Makefile.inc
@@ -31,6 +31,7 @@ bootblock-y += bootblock.c
bootblock-y += pmic.c
bootblock-y += reset.c
+romstage-y += chromeos.c
romstage-y += reset.c
romstage-y += reset.c
romstage-y += romstage.c
@@ -39,3 +40,4 @@ romstage-y += sdram_configs.c
ramstage-y += boardid.c
ramstage-y += mainboard.c
ramstage-y += reset.c
+ramstage-y += chromeos.c
diff --git a/src/mainboard/google/rush_ryu/chromeos.c b/src/mainboard/google/rush_ryu/chromeos.c
new file mode 100644
index 0000000000..401cf9372e
--- /dev/null
+++ b/src/mainboard/google/rush_ryu/chromeos.c
@@ -0,0 +1,89 @@
+/*
+ * 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 = get_recovery_mode_switch();
+ strncpy((char *)gpios->gpios[count].name, "recovery",
+ GPIO_MAX_NAME_LENGTH);
+ count++;
+
+ /* TODO(adurbin): add lid switch */
+
+ /* 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)
+{
+ uint32_t ec_events;
+
+ 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));
+}
diff --git a/src/mainboard/google/rush_ryu/romstage.c b/src/mainboard/google/rush_ryu/romstage.c
index b2acb5d9aa..e570c99314 100644
--- a/src/mainboard/google/rush_ryu/romstage.c
+++ b/src/mainboard/google/rush_ryu/romstage.c
@@ -34,6 +34,8 @@ static const struct pad_config padcfgs[] = {
/* EC on I2C2 */
PAD_CFG_SFIO(GEN2_I2C_SCL, PINMUX_INPUT_ENABLE, I2C2),
PAD_CFG_SFIO(GEN2_I2C_SDA, PINMUX_INPUT_ENABLE, I2C2),
+ /* WP_L */
+ PAD_CFG_GPIO_INPUT(KB_ROW1, PINMUX_PULL_NONE),
};
static void configure_clocks(void)