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authorAngel Pons <th3fanbus@gmail.com>2021-12-18 22:25:07 +0100
committerFelix Held <felix-coreboot@felixheld.de>2022-02-24 01:18:56 +0000
commitfa5ed059eb6fef1aa1681fbc7b38052b2028c1ac (patch)
tree6dc67b2015e4f45b3cf842bda771d23ffd0c0848 /src/drivers/i2c/cs42l42
parente2531ffaa87be5c26005ff986db8492a03f809e3 (diff)
nb/intel/ironlake: Fix some quickpath init magic
Correct some Quickpath initialisation steps according to findings from two different Intel reference code binaries as well as MCHBAR register dump comparisons between vendor firmware and coreboot. The MSR_TURBO_POWER_CURRENT_LIMIT information comes from EDK2 sources. Tested on Apple iMac 10,1 (Clarkdale, aka desktop Ironlake), QPI init now completes successfully instead of causing hangs before raminit. Also tested on HP ProBook 6550b (Arrandale, aka mobile Ironlake), still reaches payload (e.g. TianoCore). Change-Id: Icd0139aa588dc8d948c03132b5c86866d90f3231 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/60216 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
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