diff options
| author | Tristan Shieh <tristan.shieh@mediatek.com> | 2018-08-21 10:33:10 +0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-08-28 15:12:05 +0000 |
| commit | fdcc0b39156f915cdc8ee7221fca6d8640545f25 (patch) | |
| tree | 518d8140b77a7a6d76be4a5beddc70524d2b6694 | |
| parent | 3762e99893a7a0978fec72dc955cf2976d3dc5a5 (diff) | |
google/kukui: Set up GPIOs for ChromeOS
Set up EC interrupt GPIO to boot depthcharge. Without this patch,
depthcharge will fail to detect EC interrupt GPIO.
BUG=b:80501386
BRANCH=none
TEST=Boots correctly on Kukui and see in logs, that depthcharge detects
EC interrupt GPIO.
Change-Id: I0ec2c70c189a059219954e0384aaf98995285728
Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/28250
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Julius Werner <jwerner@chromium.org>
| -rw-r--r-- | src/mainboard/google/kukui/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/bootblock.c | 4 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/chromeos.c | 12 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/gpio.h | 25 |
4 files changed, 42 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/Makefile.inc b/src/mainboard/google/kukui/Makefile.inc index 290be4cf0e..aa6bf11812 100644 --- a/src/mainboard/google/kukui/Makefile.inc +++ b/src/mainboard/google/kukui/Makefile.inc @@ -1,4 +1,5 @@ bootblock-y += bootblock.c +bootblock-y += chromeos.c bootblock-y += memlayout.ld decompressor-y += memlayout.ld diff --git a/src/mainboard/google/kukui/bootblock.c b/src/mainboard/google/kukui/bootblock.c index d8b5c5a59d..fa51488501 100644 --- a/src/mainboard/google/kukui/bootblock.c +++ b/src/mainboard/google/kukui/bootblock.c @@ -18,10 +18,14 @@ #include <soc/gpio.h> #include <soc/spi.h> +#include "gpio.h" + #define BOOTBLOCK_EN_L (GPIO(KPROW0)) void bootblock_mainboard_init(void) { + setup_chromeos_gpios(); + /* Turn on real eMMC. */ gpio_output(BOOTBLOCK_EN_L, 1); diff --git a/src/mainboard/google/kukui/chromeos.c b/src/mainboard/google/kukui/chromeos.c index 7f9946ae40..9184d8835d 100644 --- a/src/mainboard/google/kukui/chromeos.c +++ b/src/mainboard/google/kukui/chromeos.c @@ -15,9 +15,21 @@ #include <bootmode.h> #include <boot/coreboot_tables.h> +#include <gpio.h> + +#include "gpio.h" + +void setup_chromeos_gpios(void) +{ + gpio_input_pullup(EC_IRQ); +} void fill_lb_gpios(struct lb_gpios *gpios) { + struct lb_gpio chromeos_gpios[] = { + {EC_IRQ.id, ACTIVE_LOW, -1, "EC interrupt"}, + }; + lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios)); } int get_recovery_mode_switch(void) diff --git a/src/mainboard/google/kukui/gpio.h b/src/mainboard/google/kukui/gpio.h new file mode 100644 index 0000000000..cb9ad24906 --- /dev/null +++ b/src/mainboard/google/kukui/gpio.h @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek 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. + */ + +#ifndef __MAINBOARD_GOOGLE_KUKUI_GPIO_H__ +#define __MAINBOARD_GOOGLE_KUKUI_GPIO_H__ + +#include <soc/gpio.h> + +#define EC_IRQ GPIO(PERIPHERAL_EN1) + +void setup_chromeos_gpios(void); + +#endif |