menuconfig GOOGLE_FIRMWARE
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bool "Google Firmware Drivers"
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default n
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help
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These firmware drivers are used by Google servers,
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Chromebooks and other devices using coreboot firmware.
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If in doubt, say "N".
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if GOOGLE_FIRMWARE
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config GOOGLE_SMI
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tristate "SMI interface for Google platforms"
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depends on X86 && ACPI && DMI && EFI
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select EFI_VARS
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help
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Say Y here if you want to enable SMI callbacks for Google
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platforms. This provides an interface for writing to and
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clearing the EFI event log and reading and writing NVRAM
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variables.
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config GOOGLE_COREBOOT_TABLE
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tristate
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depends on GOOGLE_COREBOOT_TABLE_ACPI || GOOGLE_COREBOOT_TABLE_OF
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config GOOGLE_COREBOOT_TABLE_ACPI
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tristate "Coreboot Table Access - ACPI"
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depends on ACPI
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select GOOGLE_COREBOOT_TABLE
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help
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This option enables the coreboot_table module, which provides other
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firmware modules to access to the coreboot table. The coreboot table
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pointer is accessed through the ACPI "GOOGCB00" object.
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If unsure say N.
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config GOOGLE_COREBOOT_TABLE_OF
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tristate "Coreboot Table Access - Device Tree"
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depends on OF
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select GOOGLE_COREBOOT_TABLE
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help
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This option enable the coreboot_table module, which provide other
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firmware modules to access coreboot table. The coreboot table pointer
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is accessed through the device tree node /firmware/coreboot.
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If unsure say N.
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config GOOGLE_MEMCONSOLE
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tristate
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depends on GOOGLE_MEMCONSOLE_X86_LEGACY || GOOGLE_MEMCONSOLE_COREBOOT
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config GOOGLE_MEMCONSOLE_X86_LEGACY
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tristate "Firmware Memory Console - X86 Legacy support"
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depends on X86 && ACPI && DMI
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select GOOGLE_MEMCONSOLE
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help
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This option enables the kernel to search for a firmware log in
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the EBDA on Google servers. If found, this log is exported to
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userland in the file /sys/firmware/log.
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config GOOGLE_FRAMEBUFFER_COREBOOT
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tristate "Coreboot Framebuffer"
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depends on FB_SIMPLE
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depends on GOOGLE_COREBOOT_TABLE
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help
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This option enables the kernel to search for a framebuffer in
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the coreboot table. If found, it is registered with simplefb.
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config GOOGLE_MEMCONSOLE_COREBOOT
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tristate "Firmware Memory Console"
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depends on GOOGLE_COREBOOT_TABLE
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select GOOGLE_MEMCONSOLE
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help
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This option enables the kernel to search for a firmware log in
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the coreboot table. If found, this log is exported to userland
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in the file /sys/firmware/log.
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config GOOGLE_VPD
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tristate "Vital Product Data"
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depends on GOOGLE_COREBOOT_TABLE
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help
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This option enables the kernel to expose the content of Google VPD
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under /sys/firmware/vpd.
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endif # GOOGLE_FIRMWARE
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