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This change updates the release notes for coreboot-4.14 to add deprecation notice for SAR support in VPD for Chrome OS platforms. BUG=b:173465272 Change-Id: If6d511a22a3a2a31671dac91e57e801134d4ecf8 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/51486 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Upcoming release - coreboot 4.14
The 4.14 release is planned for May 2021.
Update this document with changes that should be in the release notes.
- Please use Markdown.
- See the past few release notes for the general format.
- The chip and board additions and removals will be updated right before the release, so those do not need to be added.
Deprecations
SAR support in VPD for Chrome OS
SAR support in VPD has been deprecated for Chrome OS platforms for > 1 year now. All new Chrome OS platforms have switched to using SAR tables from CBFS. For the next release, coreboot is updated to align with the Chrome OS factory changes and hence SAR support in VPD is deprecated in CB:51483. Starting with this release, anyone building coreboot for an already released Chrome OS platform with SAR table in VPD will have to extract the "wifi_sar" key from VPD and add it as a file to CBFS using following steps:
- On DUT, read SAR value using
vpd -i RO_VPD -g wifi_sar - In coreboot repo, generate CBFS SAR file using:
echo ${SAR_STRING} > site-local/${BOARD}-sar.hex - Add to site-local/Kconfig:
config WIFI_SAR_CBFS_FILEPATH string default "site-local/${BOARD}-sar.hex"