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d185a3466f
The help text for GOOGLE_FIRMWARE states that it should only be
enabled when building a kernel for Google's own servers. However,
many of the drivers dependent on it are also useful on Chromebooks or
on any platform using coreboot.
Update the help text to reflect this double duty.
Fixes: d384d6f43d ("firmware: google memconsole: Add coreboot support")
Reviewed-by: Julius Werner <jwerner@chromium.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Link: https://lore.kernel.org/r/20180618225540.GD14131@decadent.org.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
77 lines
2.3 KiB
Text
77 lines
2.3 KiB
Text
# SPDX-License-Identifier: GPL-2.0-only
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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
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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 event log. If CONFIG_EFI is also enabled this
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driver provides an interface for reading and writing NVRAM
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variables.
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config GOOGLE_COREBOOT_TABLE
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tristate "Coreboot Table Access"
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depends on ACPI || OF
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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 access to the coreboot table. The coreboot table
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pointer is accessed through the ACPI "GOOGCB00" object or the
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device tree node /firmware/coreboot.
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If unsure say N.
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config GOOGLE_COREBOOT_TABLE_ACPI
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tristate
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select GOOGLE_COREBOOT_TABLE
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config GOOGLE_COREBOOT_TABLE_OF
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tristate
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select GOOGLE_COREBOOT_TABLE
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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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