diff options
| author | Rex-BC Chen <rex-bc.chen@mediatek.com> | 2022-07-25 19:36:56 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-08-03 16:40:20 +0000 |
| commit | d9e568a0464796b0d5e6209f4c5e3d7ed42e59b2 (patch) | |
| tree | 39a259ae920f6093fd611ad47b5c6644d0c5170f /src | |
| parent | 433810a5777cbfb1ee5cae5b284481acdbf63048 (diff) | |
mb/google/geralt: Configure TPM
Initialize I2C bus 1 for TPM control.
TEST=build pass
BUG=b:236331724
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Change-Id: If5807c9bb39260315ecbc55305def483bd2b8c51
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66273
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/geralt/Kconfig | 11 | ||||
| -rw-r--r-- | src/mainboard/google/geralt/bootblock.c | 6 | ||||
| -rw-r--r-- | src/mainboard/google/geralt/chromeos.c | 9 | ||||
| -rw-r--r-- | src/mainboard/google/geralt/gpio.h | 1 |
4 files changed, 27 insertions, 0 deletions
diff --git a/src/mainboard/google/geralt/Kconfig b/src/mainboard/google/geralt/Kconfig index 0501a1d34f..9655bca100 100644 --- a/src/mainboard/google/geralt/Kconfig +++ b/src/mainboard/google/geralt/Kconfig @@ -24,6 +24,9 @@ config BOARD_SPECIFIC_OPTIONS select EC_GOOGLE_CHROMEEC select EC_GOOGLE_CHROMEEC_BOARDID select EC_GOOGLE_CHROMEEC_SPI + select I2C_TPM if VBOOT + select MAINBOARD_HAS_TPM2 if VBOOT + select TPM_GOOGLE_TI50 if VBOOT config MAINBOARD_DIR string @@ -40,4 +43,12 @@ config BOOT_DEVICE_SPI_FLASH_BUS config EC_GOOGLE_CHROMEEC_SPI_BUS hex default 0x0 + +config DRIVER_TPM_I2C_BUS + hex + default 0x1 + +config DRIVER_TPM_I2C_ADDR + hex + default 0x50 endif diff --git a/src/mainboard/google/geralt/bootblock.c b/src/mainboard/google/geralt/bootblock.c index ef7e5d1fbf..9a76b368ca 100644 --- a/src/mainboard/google/geralt/bootblock.c +++ b/src/mainboard/google/geralt/bootblock.c @@ -2,10 +2,16 @@ #include <bootblock_common.h> #include <device/mmio.h> +#include <soc/gpio.h> +#include <soc/i2c.h> #include <soc/spi.h> +#include "gpio.h" + void bootblock_mainboard_init(void) { + mtk_i2c_bus_init(CONFIG_DRIVER_TPM_I2C_BUS, I2C_SPEED_FAST); mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD0_MASK, 3 * MHz, 0); mtk_snfc_init(); + gpio_eint_configure(GPIO_GSC_AP_INT_ODL, IRQ_TYPE_EDGE_RISING); } diff --git a/src/mainboard/google/geralt/chromeos.c b/src/mainboard/google/geralt/chromeos.c index 434ff90659..eb93be20c4 100644 --- a/src/mainboard/google/geralt/chromeos.c +++ b/src/mainboard/google/geralt/chromeos.c @@ -2,8 +2,17 @@ #include <bootmode.h> #include <boot/coreboot_tables.h> +#include <gpio.h> +#include <security/tpm/tis.h> + +#include "gpio.h" void fill_lb_gpios(struct lb_gpios *gpios) { /* TODO: add Chrome specific gpios */ } + +int tis_plat_irq_status(void) +{ + return gpio_eint_poll(GPIO_GSC_AP_INT_ODL); +} diff --git a/src/mainboard/google/geralt/gpio.h b/src/mainboard/google/geralt/gpio.h index 386df4d1b3..ff6de17563 100644 --- a/src/mainboard/google/geralt/gpio.h +++ b/src/mainboard/google/geralt/gpio.h @@ -6,6 +6,7 @@ #include <soc/gpio.h> #define GPIO_AP_EC_WARM_RST_REQ GPIO(DPI_HSYNC) +#define GPIO_GSC_AP_INT_ODL GPIO(GPIO00) void setup_chromeos_gpios(void); |