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-rw-r--r--src/vendorcode/google/chromeos/Kconfig14
-rw-r--r--src/vendorcode/google/chromeos/Makefile.inc12
2 files changed, 24 insertions, 2 deletions
diff --git a/src/vendorcode/google/chromeos/Kconfig b/src/vendorcode/google/chromeos/Kconfig
index b7431b2408..238b4e51b1 100644
--- a/src/vendorcode/google/chromeos/Kconfig
+++ b/src/vendorcode/google/chromeos/Kconfig
@@ -113,6 +113,20 @@ config HAVE_REGULATORY_DOMAIN
help
This option is needed to add ACPI regulatory domain methods
+config CHROMEOS_FWID_MODEL
+ string "Chrome OS Firmware ID model"
+ default "$(CONFIG_MAINBOARD_VENDOR)_$(CONFIG_MAINBOARD_PART_NUMBER)"
+ help
+ This is the first part of the FWID written to various regions of a
+ Chrome OS firmware image to identify its version.
+
+config CHROMEOS_FWID_VERSION
+ string "Chrome OS Firmware ID version"
+ default "$(KERNELVERSION)"
+ help
+ This is the second part of the FWID written to various regions of a
+ Chrome OS firmware image to identify its version.
+
menu "GBB configuration"
config GBB_HWID
diff --git a/src/vendorcode/google/chromeos/Makefile.inc b/src/vendorcode/google/chromeos/Makefile.inc
index c94d6abd7d..cd3831c414 100644
--- a/src/vendorcode/google/chromeos/Makefile.inc
+++ b/src/vendorcode/google/chromeos/Makefile.inc
@@ -41,6 +41,8 @@ CONFIG_GBB_BMPFV_FILE := $(call strip_quotes,$(CONFIG_GBB_BMPFV_FILE))
CONFIG_VBOOT_KEYBLOCK := $(call strip_quotes,$(CONFIG_VBOOT_KEYBLOCK))
CONFIG_VBOOT_FIRMWARE_PRIVKEY := $(call strip_quotes,$(CONFIG_VBOOT_FIRMWARE_PRIVKEY))
CONFIG_VBOOT_KERNEL_KEY := $(call strip_quotes,$(CONFIG_VBOOT_KERNEL_KEY))
+CONFIG_CHROMEOS_FWID_MODEL := $(call strip_quotes,$(CONFIG_CHROMEOS_FWID_MODEL))
+CONFIG_CHROMEOS_FWID_VERSION := $(call strip_quotes,$(CONFIG_CHROMEOS_FWID_VERSION))
# bool-to-mask(var, value)
# return "value" if var is "y", 0 otherwise
@@ -95,9 +97,15 @@ ifneq ($(CONFIG_GBB_BMPFV_FILE),)
endif
mv $@.tmp $@
-build_complete:: $(obj)/gbb.region
+$(obj)/fwid.region:
+ printf "$(CONFIG_CHROMEOS_FWID_MODEL)$(CONFIG_CHROMEOS_FWID_VERSION)\0" > $@
+
+build_complete:: $(obj)/gbb.region $(obj)/fwid.region
@printf " WRITE GBB\n"
- $(CBFSTOOL) $(obj)/coreboot.rom write -u -r GBB -f $<
+ $(CBFSTOOL) $(obj)/coreboot.rom write -u -r GBB -i 0 -f $(obj)/gbb.region
+ $(CBFSTOOL) $(obj)/coreboot.rom write -u -r RO_FRID -i 0 -f $(obj)/fwid.region
+ $(CBFSTOOL) $(obj)/coreboot.rom write -u -r RW_FWID_A -i 0 -f $(obj)/fwid.region
+ $(CBFSTOOL) $(obj)/coreboot.rom write -u -r RW_FWID_B -i 0 -f $(obj)/fwid.region
# Extract FW_MAIN_? region and minimize it if the last file is empty, so it
# doesn't contain this empty file (that can have a significant size),