diff options
Diffstat (limited to 'drivers/firmware/google/Kconfig')
| -rw-r--r-- | drivers/firmware/google/Kconfig | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/firmware/google/Kconfig b/drivers/firmware/google/Kconfig index 983e07dc022e..41b78f5cb735 100644 --- a/drivers/firmware/google/Kconfig +++ b/drivers/firmware/google/Kconfig @@ -19,6 +19,21 @@ config GOOGLE_SMI driver provides an interface for reading and writing NVRAM variables. +config GOOGLE_CBMEM + tristate "CBMEM entries in sysfs" + depends on GOOGLE_COREBOOT_TABLE + help + CBMEM is a downwards-growing memory region created by the + Coreboot BIOS containing tagged data structures from the + BIOS. These data structures expose things like the verified + boot firmware variables, flash layout, firmware event log, + and more. + + This option enables the cbmem module, which causes the + kernel to search for Coreboot CBMEM entries, and expose the + memory for each entry in sysfs under + /sys/bus/coreboot/devices/cbmem-<id>. + config GOOGLE_COREBOOT_TABLE tristate "Coreboot Table Access" depends on HAS_IOMEM && (ACPI || OF) @@ -29,14 +44,6 @@ config GOOGLE_COREBOOT_TABLE device tree node /firmware/coreboot. If unsure say N. -config GOOGLE_COREBOOT_TABLE_ACPI - tristate - select GOOGLE_COREBOOT_TABLE - -config GOOGLE_COREBOOT_TABLE_OF - tristate - select GOOGLE_COREBOOT_TABLE - config GOOGLE_MEMCONSOLE tristate depends on GOOGLE_MEMCONSOLE_X86_LEGACY || GOOGLE_MEMCONSOLE_COREBOOT @@ -52,7 +59,7 @@ config GOOGLE_MEMCONSOLE_X86_LEGACY config GOOGLE_FRAMEBUFFER_COREBOOT tristate "Coreboot Framebuffer" - depends on FB_SIMPLE + depends on FB_SIMPLE || DRM_SIMPLEDRM depends on GOOGLE_COREBOOT_TABLE help This option enables the kernel to search for a framebuffer in |