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config EC_GOOGLE_CHROMEEC
bool
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_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_LPC
depends on EC_GOOGLE_CHROMEEC && ARCH_X86 # Needs Plug-and-play.
def_bool y
help
Google Chrome EC via LPC bus.
config EC_GOOGLE_CHROMEEC_MEC
depends on EC_GOOGLE_CHROMEEC_LPC
def_bool n
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 0
config EC_EXTERNAL_FIRMWARE
depends on EC_GOOGLE_CHROMEEC
bool "Disable building EC firmware"
default n
help
Disable building EC firmware if it's already built externally (and
added manually.)
config EC_GOOGLE_CHROMEEC_BOARDNAME
depends on EC_GOOGLE_CHROMEEC && !EC_EXTERNAL_FIRMWARE
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 && !EC_EXTERNAL_FIRMWARE
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.
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