The issue in question was resolved with commit 334be3289d6c ("nb/intel/haswell: Add support for PEG"). Also add a link to the known issues for Haswell, which has some information on PCIe. Change-Id: Icc3061b60893394e3d537d3b86f4ac748cec2eb4 Signed-off-by: Tristan Corrick <tristan@corrick.kiwi> Reviewed-on: https://review.coreboot.org/c/30689 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>