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-rw-r--r--src/mainboard/purism/librem13/devicetree.cb68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/mainboard/purism/librem13/devicetree.cb b/src/mainboard/purism/librem13/devicetree.cb
new file mode 100644
index 0000000000..6bc55214d5
--- /dev/null
+++ b/src/mainboard/purism/librem13/devicetree.cb
@@ -0,0 +1,68 @@
+chip soc/intel/broadwell
+
+ # Enable eDP Hotplug with 6ms pulse
+ register "gpu_dp_d_hotplug" = "0x06"
+
+ # Enable DDI1 Hotplug with 6ms pulse
+ register "gpu_dp_b_hotplug" = "0x06"
+
+ # Set backlight PWM values for eDP
+ register "gpu_cpu_backlight" = "0x00000200"
+ register "gpu_pch_backlight" = "0x04000200"
+
+ # Enable Panel and configure power delays
+ register "gpu_panel_port_select" = "1" # eDP
+ register "gpu_panel_power_cycle_delay" = "6" # 500ms
+ register "gpu_panel_power_up_delay" = "2000" # 200ms
+ register "gpu_panel_power_down_delay" = "500" # 50ms
+ register "gpu_panel_power_backlight_on_delay" = "2000" # 200ms
+ register "gpu_panel_power_backlight_off_delay" = "2000" # 200ms
+
+ # Port 0 is HDD
+ # Port 3 is M.2 NGFF
+ register "sata_port_map" = "0x9"
+
+ # Port 0 tuning for link stability
+ register "sata_port0_gen3_dtle" = "9"
+
+ device cpu_cluster 0 on
+ device lapic 0 on end
+ end
+ device domain 0 on
+ device pci 00.0 on end # host bridge
+ device pci 02.0 on end # vga controller
+ device pci 03.0 on end # mini-hd audio
+ device pci 13.0 off end # Smart Sound Audio DSP
+ device pci 14.0 on end # USB3 XHCI
+ device pci 15.0 off end # Serial I/O DMA
+ device pci 15.1 off end # I2C0
+ device pci 15.2 off end # I2C1
+ device pci 15.3 off end # GSPI0
+ device pci 15.4 off end # GSPI1
+ device pci 15.5 off end # UART0
+ device pci 15.6 off end # UART1
+ device pci 16.0 on end # Management Engine Interface 1
+ device pci 16.1 off end # Management Engine Interface 2
+ device pci 16.2 off end # Management Engine IDE-R
+ device pci 16.3 off end # Management Engine KT
+ device pci 17.0 off end # SDIO
+ device pci 19.0 off end # GbE
+ device pci 1b.0 on end # High Definition Audio
+ device pci 1c.0 off end # PCIe Port #1
+ device pci 1c.1 off end # PCIe Port #2
+ device pci 1c.2 on end # PCIe Port #3 - LAN
+ device pci 1c.3 on end # PCIe Port #4 - WiFi
+ device pci 1c.4 off end # PCIe Port #5
+ device pci 1c.5 off end # PCIe Port #6
+ device pci 1d.0 off end # USB2 EHCI
+ device pci 1e.0 off end # PCI bridge
+ device pci 1f.0 on
+ chip ec/purism/librem
+ device pnp 0c09.0 on end
+ end
+ end # LPC bridge
+ device pci 1f.2 on end # SATA Controller
+ device pci 1f.3 on end # SMBus
+ device pci 1f.6 off end # Thermal
+ end
+end