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authorAamir Bohra <aamir.bohra@intel.com>2018-03-28 11:32:58 +0530
committerPatrick Georgi <pgeorgi@google.com>2018-07-30 18:49:15 +0000
commit2276d4f4a858da4a1cccc7cd8d870f0ac114efed (patch)
treebc96f520ceb72e6aba761a3515da58a0f9c752a8 /.gitreview
parent4f9ff53e4239426d06c5a55a9e04b0e9a3e801cc (diff)
soc/intel/common: Add support to configure top swap feature
RTC BUC control register provides a software interface to configure the top swap feature. This patch adds implementation to enable/disable top swap feature and gets it accessible in romstage as well. The top swap control functions are exposed only if INTEL_HAS_TOP_SWAP is selected. To use the topswap feature a second bootblock has to be added to the cbfs. Below configs aid in doing that, INTEL_HAS_TOP_SWAP INTEL_ADD_TOP_SWAP_BOOTBLOCK INTEL_TOP_SWAP_BOOTBLOCK_SIZE Enabling and Disabling topswap, using the added API enables user to boot alternatively from either bootblock. Change-Id: Iea31b891f81e76d4d623fcb68183c3ad3dcadbad Signed-off-by: Aamir Bohra <aamir.bohra@intel.com> Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com> Reviewed-on: https://review.coreboot.org/25805 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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