1menuconfig GOOGLE_FIRMWARE 2 bool "Google Firmware Drivers" 3 default n 4 help 5 These firmware drivers are used by Google's servers. They are 6 only useful if you are working directly on one of their 7 proprietary servers. If in doubt, say "N". 8 9if GOOGLE_FIRMWARE 10 11config GOOGLE_SMI 12 tristate "SMI interface for Google platforms" 13 depends on X86 && ACPI && DMI 14 help 15 Say Y here if you want to enable SMI callbacks for Google 16 platforms. This provides an interface for writing to and 17 clearing the event log. If EFI_VARS is also enabled this 18 driver provides an interface for reading and writing NVRAM 19 variables. 20 21config GOOGLE_COREBOOT_TABLE 22 tristate "Coreboot Table Access" 23 depends on ACPI || OF 24 help 25 This option enables the coreboot_table module, which provides other 26 firmware modules access to the coreboot table. The coreboot table 27 pointer is accessed through the ACPI "GOOGCB00" object or the 28 device tree node /firmware/coreboot. 29 If unsure say N. 30 31config GOOGLE_COREBOOT_TABLE_ACPI 32 tristate 33 select GOOGLE_COREBOOT_TABLE 34 35config GOOGLE_COREBOOT_TABLE_OF 36 tristate 37 select GOOGLE_COREBOOT_TABLE 38 39config GOOGLE_MEMCONSOLE 40 tristate 41 depends on GOOGLE_MEMCONSOLE_X86_LEGACY || GOOGLE_MEMCONSOLE_COREBOOT 42 43config GOOGLE_MEMCONSOLE_X86_LEGACY 44 tristate "Firmware Memory Console - X86 Legacy support" 45 depends on X86 && ACPI && DMI 46 select GOOGLE_MEMCONSOLE 47 help 48 This option enables the kernel to search for a firmware log in 49 the EBDA on Google servers. If found, this log is exported to 50 userland in the file /sys/firmware/log. 51 52config GOOGLE_FRAMEBUFFER_COREBOOT 53 tristate "Coreboot Framebuffer" 54 depends on FB_SIMPLE 55 depends on GOOGLE_COREBOOT_TABLE 56 help 57 This option enables the kernel to search for a framebuffer in 58 the coreboot table. If found, it is registered with simplefb. 59 60config GOOGLE_MEMCONSOLE_COREBOOT 61 tristate "Firmware Memory Console" 62 depends on GOOGLE_COREBOOT_TABLE 63 select GOOGLE_MEMCONSOLE 64 help 65 This option enables the kernel to search for a firmware log in 66 the coreboot table. If found, this log is exported to userland 67 in the file /sys/firmware/log. 68 69config GOOGLE_VPD 70 tristate "Vital Product Data" 71 depends on GOOGLE_COREBOOT_TABLE 72 help 73 This option enables the kernel to expose the content of Google VPD 74 under /sys/firmware/vpd. 75 76endif # GOOGLE_FIRMWARE 77