Attention is currently required from: Tarun Tuli, Michał Żygowski, Martin L Roth, Subrata Banik.
Hello build bot (Jenkins), Tarun Tuli, Martin L Roth, Subrata Banik,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/68987
to look at the new patch set (#4).
Change subject: soc/intel/alderlake/hsphy: Add possibility to cache HSPHY in flash ......................................................................
soc/intel/alderlake/hsphy: Add possibility to cache HSPHY in flash
Tge patch adds a possibility to cache the PCIe 5.0 HSPHY firmware in the SPI flash. New flashmap region is created for that purpose. The goal of caching is to reduce the dependency on CSME and the HECI IP LOAD command which may fail when the CSME is disabled, e.g. soft disabled by HECI command or HAP disabled. This change allows to keep PCIe 5.0 functioning even if CSME/HECI is not functional.
TEST=Boot Ubuntu 22.04 on MSI PRO Z690-A and notice PCIe 5.0 port is functional after loading the HSPHY from cache.
Signed-off-by: Michał Żygowski michal.zygowski@3mdeb.com Change-Id: I5a37f5b06706ff30d92f60f1bf5dc900edbde96f --- M Makefile.inc M src/soc/intel/alderlake/Kconfig M src/soc/intel/alderlake/Makefile.inc M src/soc/intel/alderlake/hsphy.c M util/cbfstool/default-x86.fmd 5 files changed, 313 insertions(+), 42 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/87/68987/4