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config EC_GOOGLE_CHROMEEC
bool
select EC_SUPPORTS_DPTF_TEVT
help
Google's Chrome EC
config EC_GOOGLE_CHROMEEC_ACPI_MEMMAP
depends on EC_GOOGLE_CHROMEEC_LPC
def_bool n
help
When defined, ACPI accesses EC memmap data on ports 66h/62h. When
not defined, the memmap data is instead accessed on 900h-9ffh via
the LPC bus.
config EC_GOOGLE_CHROMEEC_ACPI_USB_PORT_POWER
depends on EC_GOOGLE_CHROMEEC
def_bool n
help
Expose methods for enabling and disabling port power on individual USB
ports through the EC.
config EC_GOOGLE_CHROMEEC_BOARDID
depends on EC_GOOGLE_CHROMEEC
def_bool n
help
Provides common routine for reading boardid from Chrome EC.
config EC_GOOGLE_CHROMEEC_I2C
depends on EC_GOOGLE_CHROMEEC
bool
default n
help
Google's Chrome EC via I2C bus.
config EC_GOOGLE_CHROMEEC_I2C_BUS
depends on EC_GOOGLE_CHROMEEC_I2C
hex "I2C bus for Google's Chrome EC"
config EC_GOOGLE_CHROMEEC_I2C_CHIP
depends on EC_GOOGLE_CHROMEEC_I2C
hex
default 0x1e
config EC_GOOGLE_CHROMEEC_I2C_PROTO3
depends on EC_GOOGLE_CHROMEEC_I2C
bool
default n
help
Use only proto3 for i2c EC communication.
config EC_GOOGLE_CHROMEEC_ESPI
depends on EC_GOOGLE_CHROMEEC && ARCH_X86 # Needs Plug-and-play.
def_bool n
select EC_GOOGLE_CHROMEEC_LPC
help
Google Chrome EC via eSPI bus.
The EC communication code is the same between eSPI and LPC, so
this option simply enables the LPC EC code. The eSPI device
still needs to correctly configure the bus transactions.
config EC_GOOGLE_CHROMEEC_LPC
depends on EC_GOOGLE_CHROMEEC && ARCH_X86 # Needs Plug-and-play.
def_bool n
help
Google Chrome EC via LPC bus.
config EC_GOOGLE_CHROMEEC_MEC
depends on EC_GOOGLE_CHROMEEC_LPC
def_bool n
select EC_GOOGLE_COMMON_MEC
help
Microchip EC variant for LPC register access.
config EC_GOOGLE_CHROMEEC_PD
depends on EC_GOOGLE_CHROMEEC
def_bool n
help
Indicates that Google's Chrome USB PD chip is present.
config EC_GOOGLE_CHROMEEC_SPI
depends on EC_GOOGLE_CHROMEEC
def_bool n
help
Google's Chrome EC via SPI bus.
config EC_GOOGLE_CHROMEEC_SPI_BUS
depends on EC_GOOGLE_CHROMEEC_SPI
hex
config EC_GOOGLE_CHROMEEC_SPI_WAKEUP_DELAY_US
depends on EC_GOOGLE_CHROMEEC_SPI
int
default 0
help
Force delay after asserting /CS to allow EC to wakeup.
config EC_GOOGLE_CHROMEEC_SPI_CHIP
depends on EC_GOOGLE_CHROMEEC_SPI
hex
default 0x0
config EC_GOOGLE_CHROMEEC_BOARDNAME
depends on EC_GOOGLE_CHROMEEC
string "Chrome EC board name for EC"
default ""
help
The board name used in the Chrome EC code base to build
the EC firmware. If set, the coreboot build with also
build the EC firmware and add it to the image.
config EC_GOOGLE_CHROMEEC_PD_BOARDNAME
depends on EC_GOOGLE_CHROMEEC_PD
string "Chrome EC board name for PD"
default ""
help
The board name used in the Chrome EC code base to build
the PD firmware. If set, the coreboot build with also
build the EC firmware and add it to the image.
config EC_GOOGLE_CHROMEEC_RTC
depends on EC_GOOGLE_CHROMEEC
bool "Enable Chrome OS EC RTC"
help
Enable support for the real-time clock on the Chrome OS EC. This
uses the EC_CMD_RTC_GET_VALUE command to read the current time.
choice
prompt "Chrome EC firmware source"
depends on EC_GOOGLE_CHROMEEC
default EC_GOOGLE_CHROMEEC_FIRMWARE_BUILTIN if EC_GOOGLE_CHROMEEC_BOARDNAME != ""
default EC_GOOGLE_CHROMEEC_FIRMWARE_NONE
config EC_GOOGLE_CHROMEEC_FIRMWARE_NONE
bool "No EC firmware is included"
help
Disable building and including any EC firmware in the image.
config EC_GOOGLE_CHROMEEC_FIRMWARE_EXTERNAL
bool "External EC firmware is included"
help
Include EC firmware binary in the image from an external source.
It is expected to be built externally.
config EC_GOOGLE_CHROMEEC_FIRMWARE_BUILTIN
bool "Builtin EC firmware is included"
help
Build and include EC firmware binary in the image.
endchoice
config EC_GOOGLE_CHROMEEC_FIRMWARE_FILE
string "Chrome EC firmware path and filename"
depends on EC_GOOGLE_CHROMEEC_FIRMWARE_EXTERNAL
help
The path and filename of the EC firmware file to use.
choice
prompt "Chrome EC firmware source for PD"
depends on EC_GOOGLE_CHROMEEC_PD
default EC_GOOGLE_CHROMEEC_PD_FIRMWARE_BUILTIN if EC_GOOGLE_CHROMEEC_PD_BOARDNAME != ""
default EC_GOOGLE_CHROMEEC_PD_FIRMWARE_NONE
config EC_GOOGLE_CHROMEEC_PD_FIRMWARE_NONE
bool "No PD firmware is included"
help
Disable building and including any PD firmware in the image.
config EC_GOOGLE_CHROMEEC_PD_FIRMWARE_EXTERNAL
bool "External PD firmware is included"
help
Include PD firmware binary in the image from an external source.
It is expected to be built externally.
config EC_GOOGLE_CHROMEEC_PD_FIRMWARE_BUILTIN
bool "Builtin PD firmware is included"
help
Build and include PD firmware binary in the image.
endchoice
config EC_GOOGLE_CHROMEEC_PD_FIRMWARE_FILE
string "Chrome EC firmware path and filename for PD"
depends on EC_GOOGLE_CHROMEEC_PD_FIRMWARE_EXTERNAL
help
The path and filename of the PD firmware file to use.
config EC_GOOGLE_CHROMEEC_SWITCHES
depends on EC_GOOGLE_CHROMEEC && VBOOT
bool
help
Enable support for Chrome OS mode switches provided by the Chrome OS
EC.
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