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authorArthur Heymans <arthur@aheymans.xyz>2017-01-24 20:27:43 +0100
committerPatrick Georgi <pgeorgi@google.com>2018-11-19 08:19:16 +0000
commita29498f59952e89e858affde52c3f7565ab7f210 (patch)
tree81af272ff0495a00f15d94ff01232b5c28b6a7a6 /Documentation
parent0ce41f1a116a816e774ebbd1130d27d7ee70e7e9 (diff)
downloadcoreboot-a29498f59952e89e858affde52c3f7565ab7f210.tar.xz
util/bucts: Add tool to manipulate BUC.TS bit on Intel targets
The purpose of this tool is to manipulate and get information about the `Back Up Control, Top Swap` mechanism present on most Intel Southbridges. This tool is initially written by Peter Stuge. This tool makes it possible to have a backup mechanism for the bootblock by using the southbridges Back Up Control Top Swap. Sometimes it is also possible to circumvent vendor write protection mechanisms in order to flash coreboot. An example of where this would be useful would be the Lenovo Thinkpad X60 and T60. Change-Id: I12cc2e91396f096fc979e23848e1929cb6c44fc5 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/18224 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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