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 && EFI 14 select EFI_VARS 15 help 16 Say Y here if you want to enable SMI callbacks for Google 17 platforms. This provides an interface for writing to and 18 clearing the EFI event log and reading and writing NVRAM 19 variables. 20 21config GOOGLE_COREBOOT_TABLE 22 tristate 23 depends on GOOGLE_COREBOOT_TABLE_ACPI || GOOGLE_COREBOOT_TABLE_OF 24 25config GOOGLE_COREBOOT_TABLE_ACPI 26 tristate "Coreboot Table Access - ACPI" 27 depends on ACPI 28 select GOOGLE_COREBOOT_TABLE 29 help 30 This option enables the coreboot_table module, which provides other 31 firmware modules to access to the coreboot table. The coreboot table 32 pointer is accessed through the ACPI "GOOGCB00" object. 33 If unsure say N. 34 35config GOOGLE_COREBOOT_TABLE_OF 36 tristate "Coreboot Table Access - Device Tree" 37 depends on OF 38 select GOOGLE_COREBOOT_TABLE 39 help 40 This option enable the coreboot_table module, which provide other 41 firmware modules to access coreboot table. The coreboot table pointer 42 is accessed through the device tree node /firmware/coreboot. 43 If unsure say N. 44 45config GOOGLE_MEMCONSOLE 46 tristate 47 depends on GOOGLE_MEMCONSOLE_X86_LEGACY || GOOGLE_MEMCONSOLE_COREBOOT 48 49config GOOGLE_MEMCONSOLE_X86_LEGACY 50 tristate "Firmware Memory Console - X86 Legacy support" 51 depends on X86 && ACPI && DMI 52 select GOOGLE_MEMCONSOLE 53 help 54 This option enables the kernel to search for a firmware log in 55 the EBDA on Google servers. If found, this log is exported to 56 userland in the file /sys/firmware/log. 57 58config GOOGLE_FRAMEBUFFER_COREBOOT 59 tristate "Coreboot Framebuffer" 60 depends on FB_SIMPLE 61 depends on GOOGLE_COREBOOT_TABLE 62 help 63 This option enables the kernel to search for a framebuffer in 64 the coreboot table. If found, it is registered with simplefb. 65 66config GOOGLE_MEMCONSOLE_COREBOOT 67 tristate "Firmware Memory Console" 68 depends on GOOGLE_COREBOOT_TABLE 69 select GOOGLE_MEMCONSOLE 70 help 71 This option enables the kernel to search for a firmware log in 72 the coreboot table. If found, this log is exported to userland 73 in the file /sys/firmware/log. 74 75config GOOGLE_VPD 76 tristate "Vital Product Data" 77 depends on GOOGLE_COREBOOT_TABLE 78 help 79 This option enables the kernel to expose the content of Google VPD 80 under /sys/firmware/vpd. 81 82endif # GOOGLE_FIRMWARE 83