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authorMichał Żygowski <michal.zygowski@3mdeb.com>2022-05-05 13:21:01 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2022-08-24 17:18:24 +0000
commit9b0f169d2503dc044500e2790b987d766928782a (patch)
tree7d38e31cdba9e19389adffc0a7580f040e566ee8 /3rdparty/intel-microcode
parentb6c32d7fe4ea98ba8b3a10cb5ce46448801855b8 (diff)
soc/intel/alderlake/hsphy: Add support for HSPHY firmware loading
BIOS must send the IP_LOAD HECI command to fetch the firmware for CPU PCIe Gen5 and upload it via CPU REG BAR prior FSP Silicon Init. Implementation based on public Slimbootloader's "Silicon/AlderlakePkg/Library/CpuPcieHsPhyInitLib". TEST=Boot MSI PRO Z690-A and see the HSPHY FW is loaded. PCIe x16 Gen3 GPU card started working in the PCIE 5.0 slot. [DEBUG] HECI: Sending Get IP firmware command [DEBUG] HECI: Get IP firmware success. Response: [DEBUG] Payload size = 0x6944 [DEBUG] Hash type used for signing payload = 0x3 Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com> Change-Id: I6c6c11581e3d3d9bab0131fae6ef487cafe98080 Signed-off-by: Michał Kopeć <michal.kopec@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/64074 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Crawford <tcrawford@system76.com> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to '3rdparty/intel-microcode')
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