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authorKarthikeyan Ramasubramanian <kramasub@google.com>2021-10-05 14:20:14 -0600
committerFelix Held <felix-coreboot@felixheld.de>2021-10-13 17:39:43 +0000
commit9eaaf0d309af6fce19132676314932e85b790b65 (patch)
tree0a80c0dcf95e25df47d52255737ade7acd27e287 /src/mainboard/google/hatch/variants/scout
parent2526be8db381addd398afae55370127f3a747cdc (diff)
mb/google/guybrush: Override SPI Fast speeds
Add support to override SPI fast speeds based on board version from both bootblock and verstage. Overrides apply for Guybrush only and SPI speed is overridden from 66 MHz to 100 MHz starting board version 4. This will help to improve the boot time on board version by ~60 ms and still allow the old boards to boot with 66 MHz. BUG=b:199779306 TEST=Build and boot to OS in Guybrush. Perform S5->S0, G3->S0, warm reset and suspend/resume cycles for 50 iterations each. Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com> Change-Id: I5bf03ab8772f27aca346589e9c5662caf014d0d2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/58117 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-by: Raul Rangel <rrangel@chromium.org>
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