purism/librem13v2: Update PCI config
Update devicetree PCI config based on board spec:
- enable PCIe Root Ports 5 and 9 (wifi and nvme respectively)
- enable PCIe CLKREQ on RP9, disable on RP5
- enable USB OTG
- enable P2SB
Note: PCIe RP5 is on 0.1c.0 despite this being labeled as RP1
Change-Id: Ia71ed25bd41668df1ee3e4b4e28f54482722452c
Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm>
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/19939
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/purism/librem13v2/devicetree.cb b/src/mainboard/purism/librem13v2/devicetree.cb
index 8f8dc92..ffd33a2 100644
--- a/src/mainboard/purism/librem13v2/devicetree.cb
+++ b/src/mainboard/purism/librem13v2/devicetree.cb
@@ -147,12 +147,13 @@
.voltage_limit = 1520,
}"
- # Enable Root port 1.
- register "PcieRpEnable[0]" = "1"
- # Enable CLKREQ#
- register "PcieRpClkReqSupport[0]" = "1"
- # RP 1 uses SRCCLKREQ1#
- register "PcieRpClkReqNumber[0]" = "1"
+ # Enable Root Ports 5 and 9
+ register "PcieRpEnable[4]" = "1"
+ register "PcieRpEnable[8]" = "1"
+ # Enable CLKREQ# for RP9
+ register "PcieRpClkReqSupport[8]" = "1"
+ # ClkReq for NVMe - Bruteforced (no other value works)
+ register "PcieRpClkReqNumber[8]" = "2"
register "usb2_ports[0]" = "USB2_PORT_LONG(OC2)" # Type-C Port 1
register "usb2_ports[1]" = "USB2_PORT_LONG(OC3)" # Type-C Port 2
@@ -198,7 +199,7 @@
device pci 00.0 on end # Host Bridge
device pci 02.0 on end # Integrated Graphics Device
device pci 14.0 on end # USB xHCI
- device pci 14.1 off end # USB xDCI (OTG)
+ device pci 14.1 on end # USB xDCI (OTG)
device pci 14.2 on end # Thermal Subsystem
device pci 16.0 on end # Management Engine Interface 1
device pci 16.1 off end # Management Engine Interface 2
@@ -206,12 +207,7 @@
device pci 16.3 off end # Management Engine KT Redirection
device pci 16.4 off end # Management Engine Interface 3
device pci 17.0 on end # SATA
- device pci 1c.0 on
- chip drivers/intel/wifi
- register "wake" = "GPE0_DW0_16"
- device pci 00.0 on end
- end
- end # PCI Express Port 1
+ device pci 1c.0 on end # PCI Express Port 1
device pci 1c.1 off end # PCI Express Port 2
device pci 1c.2 off end # PCI Express Port 3
device pci 1c.3 off end # PCI Express Port 4
@@ -219,7 +215,7 @@
device pci 1c.5 off end # PCI Express Port 6
device pci 1c.6 off end # PCI Express Port 7
device pci 1c.7 off end # PCI Express Port 8
- device pci 1d.0 off end # PCI Express Port 9
+ device pci 1d.0 on end # PCI Express Port 9
device pci 1d.1 off end # PCI Express Port 10
device pci 1d.2 off end # PCI Express Port 11
device pci 1d.3 off end # PCI Express Port 12
@@ -228,7 +224,7 @@
device pnp 0c09.0 on end
end
end # LPC Interface
- device pci 1f.1 off end # P2SB
+ device pci 1f.1 on end # P2SB
device pci 1f.2 on end # Power Management Controller
device pci 1f.3 on end # Intel HDA
device pci 1f.4 on end # SMBus