From 125082091655feb99892f1af440f282213f3037f Mon Sep 17 00:00:00 2001 From: Rex-BC Chen Date: Mon, 25 Jul 2022 19:08:06 +0800 Subject: mb/google/geralt: Enable Chrome EC Initialize SPI bus 0 for Chrome EC control. TEST=build pass BUG=b:236331724 Signed-off-by: Bo-Chen Chen Change-Id: I6de5ea8a0273a3b0c725e4cdbcf69f4db74c5db7 Reviewed-on: https://review.coreboot.org/c/coreboot/+/66272 Tested-by: build bot (Jenkins) Reviewed-by: Yu-Ping Wu --- src/mainboard/google/geralt/Kconfig | 9 +++++++++ src/mainboard/google/geralt/bootblock.c | 1 + src/mainboard/google/geralt/chromeos.c | 6 ------ src/mainboard/google/geralt/gpio.h | 12 ++++++++++++ src/mainboard/google/geralt/reset.c | 5 ++++- 5 files changed, 26 insertions(+), 7 deletions(-) create mode 100644 src/mainboard/google/geralt/gpio.h (limited to 'src/mainboard/google') diff --git a/src/mainboard/google/geralt/Kconfig b/src/mainboard/google/geralt/Kconfig index dde5b57511..0501a1d34f 100644 --- a/src/mainboard/google/geralt/Kconfig +++ b/src/mainboard/google/geralt/Kconfig @@ -8,17 +8,22 @@ if BOARD_GOOGLE_GERALT_COMMON config VBOOT select VBOOT_VBNV_FLASH + select EC_GOOGLE_CHROMEEC_SWITCHES config BOARD_SPECIFIC_OPTIONS def_bool y select SOC_MEDIATEK_MT8188 select BOARD_ROMSIZE_KB_8192 select MAINBOARD_HAS_CHROMEOS + select CHROMEOS_USE_EC_WATCHDOG_FLAG if CHROMEOS select COMMON_CBFS_SPI_WRAPPER select SPI_FLASH select SPI_FLASH_INCLUDE_ALL_DRIVERS select COMMONLIB_STORAGE select COMMONLIB_STORAGE_MMC + select EC_GOOGLE_CHROMEEC + select EC_GOOGLE_CHROMEEC_BOARDID + select EC_GOOGLE_CHROMEEC_SPI config MAINBOARD_DIR string @@ -31,4 +36,8 @@ config MAINBOARD_PART_NUMBER config BOOT_DEVICE_SPI_FLASH_BUS int default 7 + +config EC_GOOGLE_CHROMEEC_SPI_BUS + hex + default 0x0 endif diff --git a/src/mainboard/google/geralt/bootblock.c b/src/mainboard/google/geralt/bootblock.c index 88be0ffec1..ef7e5d1fbf 100644 --- a/src/mainboard/google/geralt/bootblock.c +++ b/src/mainboard/google/geralt/bootblock.c @@ -6,5 +6,6 @@ void bootblock_mainboard_init(void) { + mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD0_MASK, 3 * MHz, 0); mtk_snfc_init(); } diff --git a/src/mainboard/google/geralt/chromeos.c b/src/mainboard/google/geralt/chromeos.c index 94f5b4feef..434ff90659 100644 --- a/src/mainboard/google/geralt/chromeos.c +++ b/src/mainboard/google/geralt/chromeos.c @@ -7,9 +7,3 @@ void fill_lb_gpios(struct lb_gpios *gpios) { /* TODO: add Chrome specific gpios */ } - -int get_recovery_mode_switch(void) -{ - /* TODO: use Chrome EC switches when EC support is added */ - return 0; -} diff --git a/src/mainboard/google/geralt/gpio.h b/src/mainboard/google/geralt/gpio.h new file mode 100644 index 0000000000..386df4d1b3 --- /dev/null +++ b/src/mainboard/google/geralt/gpio.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __MAINBOARD_GOOGLE_GERALT_GPIO_H__ +#define __MAINBOARD_GOOGLE_GERALT_GPIO_H__ + +#include + +#define GPIO_AP_EC_WARM_RST_REQ GPIO(DPI_HSYNC) + +void setup_chromeos_gpios(void); + +#endif diff --git a/src/mainboard/google/geralt/reset.c b/src/mainboard/google/geralt/reset.c index 3eb13907b8..05a576b69c 100644 --- a/src/mainboard/google/geralt/reset.c +++ b/src/mainboard/google/geralt/reset.c @@ -1,8 +1,11 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include #include +#include "gpio.h" + void do_board_reset(void) { - /* TODO: add reset function when gpio is ready */ + gpio_output(GPIO_AP_EC_WARM_RST_REQ, 1); } -- cgit v1.2.3