From d44e08ad9f183f0ed92fb35ed52e92baf5022f37 Mon Sep 17 00:00:00 2001 From: Subrata Banik Date: Fri, 30 Jun 2023 22:47:34 -0700 Subject: mb/google/rex/var/ovis: Enable LAN0 This patch performs below operations to enable LAN0. - Complete the LAN PEREST power sequencing - Program the SRC_CLKREQ (GPP_D20) with correctly. - Add overridetree.cb entry to configure the LAN0 device. BUG=b:289395519 TEST=Able to boot google/ovis with LAN0 being enabled. Change-Id: I91b0a76395ade4459cf8705c333728a71f95df14 Signed-off-by: Subrata Banik Reviewed-on: https://review.coreboot.org/c/coreboot/+/76213 Reviewed-by: Kapil Porwal Tested-by: build bot (Jenkins) --- src/mainboard/google/rex/variants/ovis/overridetree.cb | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'src/mainboard/google/rex/variants/ovis/overridetree.cb') diff --git a/src/mainboard/google/rex/variants/ovis/overridetree.cb b/src/mainboard/google/rex/variants/ovis/overridetree.cb index 259aaf5c2e..112072cb97 100644 --- a/src/mainboard/google/rex/variants/ovis/overridetree.cb +++ b/src/mainboard/google/rex/variants/ovis/overridetree.cb @@ -63,7 +63,14 @@ chip soc/intel/meteorlake .flags = PCIE_RP_LTR | PCIE_RP_AER, }" end #PCIE7 LAN1 card - + device ref pcie_rp10 on + # Enable LAN0 Card PCIE 10 using clk 8 + register "pcie_rp[PCH_RP(10)]" = "{ + .clk_src = 8, + .clk_req = 8, + .flags = PCIE_RP_LTR | PCIE_RP_AER, + }" + end #PCIE10 LAN0 card device ref pcie_rp11 on # Enable SSD Card PCIE 11 using clk 7 register "pcie_rp[PCH_RP(11)]" = "{ -- cgit v1.2.3