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-rw-r--r--src/mainboard/google/mancomb/Kconfig10
-rw-r--r--src/mainboard/google/mancomb/variants/baseboard/devicetree.cb8
-rw-r--r--src/mainboard/google/mancomb/variants/baseboard/gpio.c6
3 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/google/mancomb/Kconfig b/src/mainboard/google/mancomb/Kconfig
index 85a50b399d..5851e5ccef 100644
--- a/src/mainboard/google/mancomb/Kconfig
+++ b/src/mainboard/google/mancomb/Kconfig
@@ -20,6 +20,8 @@ config BOARD_SPECIFIC_OPTIONS
select ELOG_GSMI
select HAVE_ACPI_RESUME
select MAINBOARD_HAS_CHROMEOS
+ select MAINBOARD_HAS_I2C_TPM_CR50
+ select MAINBOARD_HAS_TPM2
select SOC_AMD_CEZANNE
select SOC_AMD_COMMON_BLOCK_USE_ESPI
@@ -49,6 +51,14 @@ config AMD_FWM_POSITION_INDEX
help
TODO: might need to be adapted for better placement of files in cbfs
+config DRIVER_TPM_I2C_BUS
+ hex
+ default 0x03
+
+config DRIVER_TPM_I2C_ADDR
+ hex
+ default 0x50
+
config VARIANT_DIR
string
default "mancomb" if BOARD_GOOGLE_MANCOMB
diff --git a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
index 533e2b4faa..0a604a37f5 100644
--- a/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
@@ -121,5 +121,13 @@ chip soc/amd/cezanne
device pnp 0c09.0 on end
end
end
+ device ref i2c_3 on
+ chip drivers/i2c/tpm
+ register "hid" = ""GOOG0005""
+ register "desc" = ""Cr50 TPM""
+ register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_3)"
+ device i2c 50 on end
+ end
+ end
end # domain
end # chip soc/amd/cezanne
diff --git a/src/mainboard/google/mancomb/variants/baseboard/gpio.c b/src/mainboard/google/mancomb/variants/baseboard/gpio.c
index bcca693c51..cd86f9c69c 100644
--- a/src/mainboard/google/mancomb/variants/baseboard/gpio.c
+++ b/src/mainboard/google/mancomb/variants/baseboard/gpio.c
@@ -163,6 +163,12 @@ static const struct soc_amd_gpio base_gpio_table[] = {
/* Early GPIO configuration */
static const struct soc_amd_gpio early_gpio_table[] = {
+ /* GSC_SOC_INT_L */
+ PAD_INT(GPIO_3, PULL_NONE, EDGE_LOW, STATUS_DELIVERY),
+ /* I2C3_SCL */
+ PAD_NF(GPIO_19, I2C3_SCL, PULL_NONE),
+ /* I2C3_SDA */
+ PAD_NF(GPIO_20, I2C3_SDA, PULL_NONE),
/* ESPI1_DATA0 */
PAD_NF(GPIO_104, SPI2_DO_ESPI2_D0, PULL_NONE),
/* ESPI1_DATA1 */