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authorRex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>2021-11-17 15:50:38 +0800
committerFelix Held <felix-coreboot@felixheld.de>2021-11-26 11:20:14 +0000
commit580150de460c9b87d78acac6c42f6c0b4e545bc2 (patch)
tree83175566f530d878cb298341a6135a6dea6cc08d /src/mainboard
parent9234d9231b177c80281805301d4c67c8ca4d02bb (diff)
mb/google/corsola: configure GPIOs
Configure Chromebook specific GPIOs, including EC_AP_INT, EC_IN_RW, GSC_AP_INT, EN_SPK, GPIO_AP, and GPIO_RESET. Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: I76bde75788889111c0a051eed731dadc9898c0e1 Reviewed-on: https://review.coreboot.org/c/coreboot/+/59565 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/corsola/bootblock.c3
-rw-r--r--src/mainboard/google/corsola/chromeos.c21
-rw-r--r--src/mainboard/google/corsola/gpio.h19
3 files changed, 42 insertions, 1 deletions
diff --git a/src/mainboard/google/corsola/bootblock.c b/src/mainboard/google/corsola/bootblock.c
index e9ae5cefe7..bb76b983a9 100644
--- a/src/mainboard/google/corsola/bootblock.c
+++ b/src/mainboard/google/corsola/bootblock.c
@@ -4,7 +4,10 @@
#include <device/mmio.h>
#include <soc/spi.h>
+#include "gpio.h"
+
void bootblock_mainboard_init(void)
{
mtk_snfc_init(SPI_NOR_GPIO_SET0);
+ setup_chromeos_gpios();
}
diff --git a/src/mainboard/google/corsola/chromeos.c b/src/mainboard/google/corsola/chromeos.c
index 3f0937f693..6a727c9897 100644
--- a/src/mainboard/google/corsola/chromeos.c
+++ b/src/mainboard/google/corsola/chromeos.c
@@ -2,10 +2,29 @@
#include <bootmode.h>
#include <boot/coreboot_tables.h>
+#include <gpio.h>
-void fill_lb_gpios(struct lb_gpios *gpios)
+#include "gpio.h"
+
+void setup_chromeos_gpios(void)
{
+ gpio_input(GPIO_WP);
+ gpio_input_pullup(GPIO_EC_AP_INT);
+ gpio_input_pullup(GPIO_EC_IN_RW);
+ gpio_input_pullup(GPIO_GSC_AP_INT);
+ gpio_output(GPIO_EN_SPK, 0);
+ gpio_output(GPIO_RESET, 0);
+}
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+ struct lb_gpio chromeos_gpios[] = {
+ {GPIO_EC_AP_INT.id, ACTIVE_LOW, -1, "EC interrupt"},
+ {GPIO_EC_IN_RW.id, ACTIVE_LOW, -1, "EC in RW"},
+ {GPIO_GSC_AP_INT.id, ACTIVE_HIGH, -1, "TPM interrupt"},
+ {GPIO_EN_SPK.id, ACTIVE_HIGH, -1, "speaker enable"},
+ };
+ lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_recovery_mode_switch(void)
diff --git a/src/mainboard/google/corsola/gpio.h b/src/mainboard/google/corsola/gpio.h
new file mode 100644
index 0000000000..78dd252050
--- /dev/null
+++ b/src/mainboard/google/corsola/gpio.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __MAINBOARD_GOOGLE_CORSOLA_GPIO_H__
+#define __MAINBOARD_GOOGLE_CORSOLA_GPIO_H__
+
+#include <soc/gpio.h>
+
+#define GPIO_EC_AP_INT GPIO(EINT13)
+#define GPIO_WP GPIO(EINT16)
+#define GPIO_BEEP_ON GPIO(PERIPHERAL_EN4)
+#define GPIO_XHCI_DONE GPIO(PERIPHERAL_EN1)
+#define GPIO_EC_IN_RW GPIO(EINT14)
+#define GPIO_GSC_AP_INT GPIO(EINT15)
+#define GPIO_EN_SPK GPIO(PERIPHERAL_EN3)
+#define GPIO_RESET GPIO(PERIPHERAL_EN0)
+
+void setup_chromeos_gpios(void);
+
+#endif