diff options
| author | Mario Scheithauer <mario.scheithauer@siemens.com> | 2021-11-02 12:22:26 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-11-04 10:22:20 +0000 |
| commit | 8aac54d43abef86232471b3e0a214f08675013ff (patch) | |
| tree | d11c4acae1b418b6ebcfd31d40e36080ed1f944d /src | |
| parent | 17641208f5456b65b6d2660683c01e0506f8c619 (diff) | |
mb/siemens/mc_ehl2: Clean up PCIe root port settings in devicetree
PCIe root ports #4 (00:1c.3) and #6 (00:1c.5) are currently not used on
this mainboard and are not routed either, so remove them from the
devicetree completely. PCIe root port #7 (00:1c.6) is connected and
used. Add the missing settings for L1 substates and latency reporting to
disable these features for this port as well.
Change-Id: I47e8528bea993ed527a0aecdbc93b94bbd9a7a49
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58853
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb index 8b9e9e2450..701efb41c0 100644 --- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb +++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb @@ -50,9 +50,7 @@ chip soc/intel/elkhartlake register "PcieRpEnable[0]" = "1" register "PcieRpEnable[1]" = "1" register "PcieRpEnable[2]" = "1" - register "PcieRpEnable[3]" = "1" register "PcieRpEnable[4]" = "1" - register "PcieRpEnable[5]" = "1" register "PcieRpEnable[6]" = "1" register "PcieClkSrcUsage[0]" = "PCIE_CLK_FREE" @@ -73,17 +71,15 @@ chip soc/intel/elkhartlake register "PcieRpL1Substates[0]" = "L1_SS_DISABLED" register "PcieRpL1Substates[1]" = "L1_SS_DISABLED" register "PcieRpL1Substates[2]" = "L1_SS_DISABLED" - register "PcieRpL1Substates[3]" = "L1_SS_DISABLED" register "PcieRpL1Substates[4]" = "L1_SS_DISABLED" - register "PcieRpL1Substates[5]" = "L1_SS_DISABLED" + register "PcieRpL1Substates[6]" = "L1_SS_DISABLED" # Disable LTR for all PCIe root ports register "PcieRpLtrDisable[0]" = "true" register "PcieRpLtrDisable[1]" = "true" register "PcieRpLtrDisable[2]" = "true" - register "PcieRpLtrDisable[3]" = "true" register "PcieRpLtrDisable[4]" = "true" - register "PcieRpLtrDisable[5]" = "true" + register "PcieRpLtrDisable[6]" = "true" # Storage (SATA/SDCARD/EMMC) related UPDs register "SataSalpSupport" = "0" @@ -220,9 +216,7 @@ chip soc/intel/elkhartlake device pci 1c.0 on end # RP1 (pcie0 single VC) device pci 1c.1 on end # RP2 (pcie0 single VC) device pci 1c.2 on end # RP3 (pcie0 single VC) - device pci 1c.3 on end # RP4 (pcie0 single VC) device pci 1c.4 on end # RP5 (pcie1 multi VC) - device pci 1c.5 on end # RP6 (pcie2 multi VC) device pci 1c.6 on end # RP7 (pcie3 multi VC) device pci 1d.0 off end # Intel PSE IPC (local host to PSE) |