From 192a140843e1699f14ab09e9154a29227018f210 Mon Sep 17 00:00:00 2001 From: Karthikeyan Ramasubramanian Date: Mon, 9 Sep 2024 21:29:07 -0600 Subject: mb/google/brox/var/brox: Enable ASPM for PCIe4 SSD of CPU Check that lnkCap supports ASPM L1, so set it to ASPM_L1 to avoid excessive power consumption. BUG=b:363854853 TEST=emerge-brox sys-boot/coreboot sys-boot/chromeos-bootimage Change-Id: I386f8e88a5af661b1f4c04d2e2a34cd181608bd8 Signed-off-by: Karthikeyan Ramasubramanian Reviewed-on: https://review.coreboot.org/c/coreboot/+/84278 Tested-by: build bot (Jenkins) Reviewed-by: Subrata Banik Reviewed-by: --- src/mainboard/google/brox/variants/brox/overridetree.cb | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mainboard/google/brox/variants/brox/overridetree.cb b/src/mainboard/google/brox/variants/brox/overridetree.cb index f2342f03c5..79771eb2db 100644 --- a/src/mainboard/google/brox/variants/brox/overridetree.cb +++ b/src/mainboard/google/brox/variants/brox/overridetree.cb @@ -273,6 +273,7 @@ chip soc/intel/alderlake .clk_req = 3, .clk_src = 3, .flags = PCIE_RP_LTR | PCIE_RP_AER, + .pcie_rp_aspm = ASPM_L1 }" probe STORAGE STORAGE_NVME probe unprovisioned -- cgit v1.2.3