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authorSridahr Siricilla <sridhar.siricilla@intel.com>2021-09-17 22:25:17 +0530
committerFelix Held <felix-coreboot@felixheld.de>2022-07-14 23:12:36 +0000
commit096ce1444ec7fa204f331a75c2ac9d00ea00bf12 (patch)
treea14079aed4bda3bb5a6ae64308ca7c8f43b488ff /src/mainboard/amd/bilby
parent1dc080fc1d812628b80529441c52a5ee571340ed (diff)
soc/intel/alderlake: Support PCIe hardware compliance test mode
The validation process verifies that hardware components comply with the standard hardware specifications. For instance, PCI express implementation must comply with the hardware PCIe specification requirements: Electrical, Configuration, Link Protocol and Transaction Protocol. To perform these tests the hardware must be configured in a particular state: some feature related to power management need to be turned off, hot plug should be enabled... This patch sets the appropriate FSP Updateable Product Data flags to get the hardware in the proper configuration: - Enable PCIe hotplug on all ports - Set clock sources to run free - Set the FSP compliance test mode flag BUG=b:235863379 TEST=Compilation with and without the flag Verify code path with instrumentation Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com> Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com> Change-Id: Ic07b9276121dfbd273a8f63a1f775ddbd3566884 Reviewed-on: https://review.coreboot.org/c/coreboot/+/65114 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
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