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authorHung-Te Lin <hungte@chromium.org>2019-01-22 15:52:02 +0800
committerPatrick Georgi <pgeorgi@google.com>2019-01-23 14:55:10 +0000
commit6e44d7c4523ad29a5f7f25bb91160b5bbde9649c (patch)
tree763f23b89329e5dd3a189f939cabbaf4ddd6a389 /Documentation/arch
parent03f654c8ee62af8b2cef81864c6a16d4f1b1c955 (diff)
google/kukui: Revise FMAP layout for larger CBFS
Kukui with vboot enabled will build with `detachable_ui`, which needs larger space in CBFS for more complicated assets. So we need to revise FMAP sections: - BOOTBLOCK (not really used) only needs <= 32K. - GBB can be much smaller since assets moved from GBB to CBFS. - FMAP is re-ordered (with the cost of less efficient in bsearch) so CBFS can get larger continuous space. - COREBOOT(CBFS) should take all space left. Since FMAP and COREBOOT have changed location, the system will need to reflash EC (which contains the new bootblock) as well. BUG=b:123202015 TEST=Builds and boots on Kukui P1 Change-Id: I22cff99dca8c396c5897c3f6631721af40f3ffbd Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: https://review.coreboot.org/c/31035 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: You-Cheng Syu <youcheng@google.com> Reviewed-by: Julius Werner <jwerner@chromium.org>
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