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mb/google/rex: Add TPM device to Kconfig and devicetree 

Add TPM device for Rex.
Device details:
I2C Controller/Bus = 4
I2C Slave Address = 0x50
GPE = GPE0_DW1_03/GPP_E03

BUG=b:224325352
TEST=Verified in emulator that there is no regression

Signed-off-by: Kapil Porwal <kapilporwal@google.com>
Change-Id: Ifa3a5b503a203e3900049f27a54025156e22a285
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66014
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Kapil Porwal 2022-07-20 14:22:41 +00:00 committed by Martin Roth
parent 3132a5fb89
commit 381c21910a
3 changed files with 24 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/mainboard/google/rex/Kconfig
View File

@ -4,7 +4,9 @@ config BOARD_GOOGLE_REX_COMMON
select EC_GOOGLE_CHROMEEC_BOARDID select EC_GOOGLE_CHROMEEC_BOARDID
select HAVE_ACPI_RESUME select HAVE_ACPI_RESUME
select HAVE_ACPI_TABLES select HAVE_ACPI_TABLES
select I2C_TPM
select INTEL_LPSS_UART_FOR_CONSOLE select INTEL_LPSS_UART_FOR_CONSOLE
select MAINBOARD_HAS_TPM2
config BOARD_GOOGLE_BASEBOARD_REX config BOARD_GOOGLE_BASEBOARD_REX
def_bool n def_bool n
@ -15,6 +17,8 @@ config BOARD_GOOGLE_BASEBOARD_REX
select MEMORY_SOLDERDOWN select MEMORY_SOLDERDOWN
select SOC_INTEL_METEORLAKE select SOC_INTEL_METEORLAKE
select SYSTEM_TYPE_LAPTOP select SYSTEM_TYPE_LAPTOP
select TI50_FIRMWARE_VERSION_NOT_SUPPORTED
select TPM_GOOGLE_TI50
config BOARD_GOOGLE_REX0 config BOARD_GOOGLE_REX0
select BOARD_GOOGLE_BASEBOARD_REX select BOARD_GOOGLE_BASEBOARD_REX
@ -62,4 +66,16 @@ config UART_FOR_CONSOLE
config OVERRIDE_DEVICETREE config OVERRIDE_DEVICETREE
default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb" default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb"
config DRIVER_TPM_I2C_BUS
hex
default 0x4 if BOARD_GOOGLE_REX0
config DRIVER_TPM_I2C_ADDR
hex
default 0x50
config TPM_TIS_ACPI_INTERRUPT
int
default 35 # GPE0_DW1_03 (GPP_E03)
endif # BOARD_GOOGLE_REX_COMMON endif # BOARD_GOOGLE_REX_COMMON

1
src/mainboard/google/rex/chromeos.fmd
View File

@ -43,6 +43,7 @@ FLASH 32M {
# memory protected range specification. # memory protected range specification.
WP_RO 8M { WP_RO 8M {
RO_VPD(PRESERVE) 16K RO_VPD(PRESERVE) 16K
RO_GSCVD 8K
RO_SECTION { RO_SECTION {
FMAP 2K FMAP 2K
RO_FRID 64 RO_FRID 64

8
src/mainboard/google/rex/variants/rex0/overridetree.cb
View File

@ -110,7 +110,13 @@ chip soc/intel/meteorlake
device ref i2c2 on end device ref i2c2 on end
device ref i2c3 on end device ref i2c3 on end
device ref sata on end device ref sata on end
device ref i2c4 on end device ref i2c4 on
chip drivers/i2c/tpm
register "hid" = ""GOOG0005""
register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E03_IRQ)"
device i2c 50 on end
end
end
device ref i2c5 on end device ref i2c5 on end
device ref pcie_rp5 on device ref pcie_rp5 on
# Enable WLAN Card PCIE 5 using clk 5 # Enable WLAN Card PCIE 5 using clk 5