diff options
| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2019-10-25 14:58:15 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-11-20 13:29:49 +0000 |
| commit | d6fc557b9344cf466122ebe7bd7382e9d247c77c (patch) | |
| tree | de2a5bc6b63670ab706f8215b2961d12759284f6 /src/security/vboot/Kconfig | |
| parent | fe338e2319f40a22f1c64aef3df95e015ab8b90b (diff) | |
security/vboot: Add vboot callbacks to support EC software sync
Use the new functions introduced into the EC driver to support
performing EC software sync via vboot callbacks.
NOTE: This patch assumes that the EC image is added to CBFS
uncompressed. Streaming decompression of the image will be added in a
future patch.
Also adds a new Kconfig option VBOOT_EARLY_EC_SYNC. The new Kconfig
option compiles EC software sync into romstage, dependent upon having a
CrOS EC.
BUG=b:112198832
BRANCH=none
TEST=Successful EC software sync
Change-Id: I9b1458a45ab3ed5623af50f78036c4f88461b226
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36208
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/security/vboot/Kconfig')
| -rw-r--r-- | src/security/vboot/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/security/vboot/Kconfig b/src/security/vboot/Kconfig index 89e12323b6..df1b7e478a 100644 --- a/src/security/vboot/Kconfig +++ b/src/security/vboot/Kconfig @@ -242,6 +242,18 @@ config VBOOT_ENABLE_CBFS_FALLBACK When this option is enabled cbfs_boot_locate will look for a file in the RO (COREBOOT) region if it isn't available in the active RW region. +config VBOOT_EARLY_EC_SYNC + bool + default n + depends on EC_GOOGLE_CHROMEEC + help + Enables CrOS EC software sync in romstage, before memory training + runs. This is useful mainly as a way to achieve full USB-PD + negotiation earlier in the boot flow, as the EC will only do this once + it has made the sysjump to its RW firmware. It should not + significantly impact boot time, as this operation will be performed + later in the boot flow if it is disabled here. + menu "GBB configuration" config GBB_HWID |