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authorSubrata Banik <subratabanik@google.com>2024-03-02 21:02:06 +0530
committerSubrata Banik <subratabanik@google.com>2024-03-04 13:34:03 +0000
commitbcdbb44805c39e689171600db8351a965e6700ef (patch)
tree1261d7ae437a6c32d85837ea6f5ca486d5c818e1 /src/mainboard/intel/adlrvp/spd
parent4efd2e3aae8089fab95564bbc3bf940b2db04f6c (diff)
soc/intel/cmn/cse: Use CSE RW partition version directly for CBFS entry
This patch automates the process of determining the CSE RW version used for the CBFS entry, eliminating the need for manual configuration in CONFIG_SOC_INTEL_CSE_RW_VERSION. How to get CSE RW Version: 1. Open CSE RW file as per CONFIG_SOC_INTEL_CSE_RW_FILE 2. Read offset 16 (0x10) to know the CSE version 3. Format: - CSE_VERSION_MAJOR : offset 16-17 - CSE_VERSION_MINOR : offset 18-19 - CSE_VERSION_HOTFIX: offset 20-21 - CSE_VERSION_HOTFIX: offset 22-23 Benefits: - Removes error-prone manual version updates. - Prevents boot loops due to mismatched CSE RW versions (actual vs config) - Eliminates the need for SKU-specific CSE version limitations. BUG=b:327842062 TEST=CSE RW update successful on Screebo with this patch. Example Debug Output: [DEBUG] cse_lite: RO version = 18.0.5.2066 [DEBUG] cse_lite: RW version = 18.0.5.2107 Change-Id: I0165d81b0e4b38e0e097956f250bb7484d774145 Signed-off-by: Subrata Banik <subratabanik@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/80923 Reviewed-by: Werner Zeh <werner.zeh@siemens.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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