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authorLean Sheng Tan <sheng.tan@9elements.com>2022-09-07 16:25:52 +0200
committerFelix Held <felix-coreboot@felixheld.de>2022-09-30 16:51:00 +0000
commit2ddcf409c3b79672665163e7a826991779dd620e (patch)
treea901f52450e223f61c6cd5a895f22b01bc728853 /configs/config.pcengines_apu1
parent1ec8f97782060757dc8d2df2ff1c022039b225f8 (diff)
mb/prodrive/atlas: Add Kconfig option to enable SaGv
It turns out that one can use Kconfig options to specify values for devicetree options, as long as the resulting expression is a compile time constant. Use this to configure SaGv for Atlas: enable it by default, but allow SaGv to be disabled manually for convenience when testing. Enabling SaGv makes MRC train the RAM multiple times, which takes a significant amount of time. For further info on SAGV on ADL, please refer to Intel Doc 655258 (Alder Lake Datasheet) section 5.1.3.2. Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com> Signed-off-by: Angel Pons <th3fanbus@gmail.com> Change-Id: I3c6ac25d414122c408f2348d12dba8dce909e567 Reviewed-on: https://review.coreboot.org/c/coreboot/+/67412 Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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