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authorRaul E Rangel <rrangel@chromium.org>2021-11-05 10:29:24 -0600
committerRaul Rangel <rrangel@chromium.org>2021-11-08 20:20:01 +0000
commit159284606a761ea7f5574d9e8eb5cde20a1300ef (patch)
treeff913b3fd70eddc92d544026a4504d9de5d82208 /src/superio/common/ssdt.c
parent82897c9c4f15880a7efa21c4e11a0929975384a1 (diff)
drivers/intel/fsp2_0: Add preload_fspm and preload_fsps
In the non-XIP world, FSP is normally memmapped and then decompressed. The AMD SPI DMA controller can actually read faster than mmap. So by reading the contents into a buffer and then decompressing we reduce boot time. BUG=b:179699789 TEST=Boot guybrush and see 30ms reduction in boot time Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: I28d7530ae9e50f743e3d6c86a5a29b1fa85cacb6 Reviewed-on: https://review.coreboot.org/c/coreboot/+/58987 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/superio/common/ssdt.c')
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