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| author | Wim Vervoorn <wvervoorn@eltan.com> | 2020-05-07 13:21:36 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-05-18 07:10:48 +0000 |
| commit | 544cc834700590c6c804150f1db81ee31a3bbd30 (patch) | |
| tree | 6d6ed7e06b329bcd634204e7bb8a6d8e11449805 | |
| parent | d0ded1652927016677e366e2cc8a112a60db251a (diff) | |
| download | coreboot-544cc834700590c6c804150f1db81ee31a3bbd30.tar.xz | |
mb/facebookmonolith: Update root port settings
Update monolith root port settings to match those of the original BIOS.
MaxPayload is set to 256 bytes, ASPM is disabled and LTR and Advanced
Error reporting are enabled.
BUG=N/A
TEST=tested on facebook monolith
Change-Id: Idf6e706d45cf1ea1aee4a75a6d0eb130b21db927
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41172
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
| -rw-r--r-- | src/mainboard/facebook/monolith/devicetree.cb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/facebook/monolith/devicetree.cb b/src/mainboard/facebook/monolith/devicetree.cb index 45829aac1f..102450a77a 100644 --- a/src/mainboard/facebook/monolith/devicetree.cb +++ b/src/mainboard/facebook/monolith/devicetree.cb @@ -161,6 +161,14 @@ chip soc/intel/skylake register "PcieRpEnable[2]" = "1" # Disable CLKREQ# register "PcieRpClkReqSupport[2]" = "0" + # Set MaxPayload to 256 bytes + register "PcieRpMaxPayload[2]" = "RpMaxPayload_256" + # Enable Latency Tolerance Reporting Mechanism + register "PcieRpLtrEnable[2]" = "1" + # Enable Advanced Error Reporting + register "PcieRpAdvancedErrorReporting[2]" = "1" + # Disable Aspm + register "PcieRpAspm[2]" = "AspmDisabled" # PCIE Port 4 disabled # PCIE Port 5 x1 -> MODULE i219 @@ -168,6 +176,14 @@ chip soc/intel/skylake # PCIE Port 6 x1 -> BASEBOARD x1 i210 : Mapped to PCIe 4 on the baseboard register "PcieRpEnable[5]" = "1" register "PcieRpClkReqSupport[5]" = "0" + # Set MaxPayload to 256 bytes + register "PcieRpMaxPayload[5]" = "RpMaxPayload_256" + # Enable Latency Tolerance Reporting Mechanism + register "PcieRpLtrEnable[5]" = "1" + # Enable Advanced Error Reporting + register "PcieRpAdvancedErrorReporting[5]" = "1" + # Disable Aspm + register "PcieRpAspm[5]" = "AspmDisabled" # PCIE Port 7 Disabled # PCIE Port 8 Disabled @@ -178,6 +194,14 @@ chip soc/intel/skylake register "PcieRpClkReqSupport[8]" = "0" # Use Hot Plug subsystem register "PcieRpHotPlug[8]" = "1" + # Set MaxPayload to 256 bytes + register "PcieRpMaxPayload[8]" = "RpMaxPayload_256" + # Enable Latency Tolerance Reporting Mechanism + register "PcieRpLtrEnable[8]" = "1" + # Enable Advanced Error Reporting + register "PcieRpAdvancedErrorReporting[8]" = "1" + # Disable Aspm + register "PcieRpAspm[8]" = "AspmDisabled" # USB 2.0 Enable all ports register "usb2_ports[0]" = "USB2_PORT_TYPE_C(OC_SKIP)" # USB-C Port 2 |