diff options
| author | Wonkyu Kim <wonkyu.kim@intel.com> | 2021-11-01 20:55:25 -0700 |
|---|---|---|
| committer | Paul Fagerburg <pfagerburg@chromium.org> | 2021-11-08 14:48:05 +0000 |
| commit | 43e269239e43ad15b7324950e4b986a58abe766b (patch) | |
| tree | c74bcb0817e0bdc24ef76b0f735b7ed4a9681005 /src/Kconfig | |
| parent | 3864973a0960c942ad96664676f59dae9f3eff2d (diff) | |
src/lib: Add FW_CONFIG_SOURCE_VPD
Read fw_config value from VPD.
This new option can be used where chrome EC is not supported like
pre-silicon platform and fw_config can be updated by VPD tool in OS.
TEST= boot to OS and read fw_config from vpd
1. Boot to OS
2. Write "fw_config" in VPD
ex) vpd -i "RW_VPD" -s "fw_config"="1"
3. reboot and check fw_config value from coreboot log
Signed-off-by: Wonkyu Kim <wonkyu.kim@intel.com>
Change-Id: I4df7d5612e18957416a40ab854fa63c8b11b4216
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58839
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/Kconfig')
| -rw-r--r-- | src/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/Kconfig b/src/Kconfig index e30152d2e5..e1d0c00c45 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -416,6 +416,16 @@ config FW_CONFIG_SOURCE_CBFS local image to preempt the mainboard selected source and can be used as FW_CONFIG_SOURCE_CHROMEEC_CBI fallback option. +config FW_CONFIG_SOURCE_VPD + bool "Obtain Firmware Configuration value from VPD" + depends on FW_CONFIG && VPD + default n + help + With this option enabled coreboot will look for the 32bit firmware + configuration value in VPD key name "fw_config". This option will + override other sources and allow the local image to preempt the mainboard + selected source and can be used for other FW_CONFIG_SOURCEs fallback option. + config HAVE_RAMPAYLOAD bool |