From c27ce827dc788e2c34d72fcc43097d8e858e2f9f Mon Sep 17 00:00:00 2001 From: Mario Scheithauer Date: Fri, 9 Nov 2018 08:54:35 +0100 Subject: siemens/mc_apl4: Disable CLKREQ of PCIe root ports All PCIe root ports of this mainboard do not have an associated CLKREQ signal. Therefore the ports are marked with "CLKREQ_DISABLED". Change-Id: I834b3b0c77223d81c950e27ccfff8e9aeece2aa4 Signed-off-by: Mario Scheithauer Reviewed-on: https://review.coreboot.org/29556 Tested-by: build bot (Jenkins) Reviewed-by: Werner Zeh --- src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'src/mainboard') diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb index f3e8a77143..a2a2ba1e8b 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb @@ -6,11 +6,12 @@ chip soc/intel/apollolake register "sci_irq" = "SCIS_IRQ10" - # Disable unused clkreq of PCIe root ports - register "pcie_rp_clkreq_pin[0]" = "3" # PCIe-PCI-Bridge - register "pcie_rp_clkreq_pin[1]" = "2" # FPGA - register "pcie_rp_clkreq_pin[2]" = "0" # MACPHY - register "pcie_rp_clkreq_pin[3]" = "1" # MACPHY + # Disable all clkreq of PCIe root ports as SMARC interface do not + # have this pins. + register "pcie_rp_clkreq_pin[0]" = "CLKREQ_DISABLED" + register "pcie_rp_clkreq_pin[1]" = "CLKREQ_DISABLED" + register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED" + register "pcie_rp_clkreq_pin[3]" = "CLKREQ_DISABLED" register "pcie_rp_clkreq_pin[4]" = "CLKREQ_DISABLED" register "pcie_rp_clkreq_pin[5]" = "CLKREQ_DISABLED" -- cgit v1.2.3