summaryrefslogtreecommitdiff
path: root/src/mainboard/google/auron/variants/buddy/devicetree.cb
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/google/auron/variants/buddy/devicetree.cb')
-rw-r--r--src/mainboard/google/auron/variants/buddy/devicetree.cb111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/mainboard/google/auron/variants/buddy/devicetree.cb b/src/mainboard/google/auron/variants/buddy/devicetree.cb
new file mode 100644
index 0000000000..e6627949b5
--- /dev/null
+++ b/src/mainboard/google/auron/variants/buddy/devicetree.cb
@@ -0,0 +1,111 @@
+chip soc/intel/broadwell
+
+ # Enable eDP Hotplug with 6ms pulse
+ register "gpu_dp_d_hotplug" = "0x06"
+
+ # Disable DisplayPort C Hotplug
+ register "gpu_dp_c_hotplug" = "0x00"
+
+ # Enable HDMI 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" = "0x04000000"
+
+ # Enable Panel and configure power delays
+ register "gpu_panel_port_select" = "1" # eDP
+ register "gpu_panel_power_cycle_delay" = "5" # 400ms
+ register "gpu_panel_power_up_delay" = "400" # 40ms
+ register "gpu_panel_power_down_delay" = "150" # 15ms
+ register "gpu_panel_power_backlight_on_delay" = "70" # 7ms
+ register "gpu_panel_power_backlight_off_delay" = "2100" # 210ms
+
+ register "pirqa_routing" = "0x8b"
+ register "pirqb_routing" = "0x8a"
+ register "pirqc_routing" = "0x8b"
+ register "pirqd_routing" = "0x8b"
+ register "pirqe_routing" = "0x80"
+ register "pirqf_routing" = "0x80"
+ register "pirqg_routing" = "0x80"
+ register "pirqh_routing" = "0x80"
+
+ # EC range is 0x800-0x9ff
+ register "gen1_dec" = "0x00fc0801"
+ register "gen2_dec" = "0x00fc0901"
+
+ # EC_SMI is GPIO34
+ register "alt_gp_smi_en" = "0x0004"
+ register "gpe0_en_1" = "0x00000000"
+ # EC_SCI is GPIO36
+ register "gpe0_en_2" = "0x00000010"
+ register "gpe0_en_3" = "0x00000000"
+ register "gpe0_en_4" = "0x00000000"
+
+ register "sata_port_map" = "0x1"
+ register "sata_devslp_disable" = "0x1"
+
+ register "sio_acpi_mode" = "1"
+ register "sio_i2c0_voltage" = "1" # 1.8V
+ register "sio_i2c1_voltage" = "0" # 3.3V
+
+ # DTLE DATA / EDGE values
+ register "sata_port0_gen3_dtle" = "0x5"
+ register "sata_port1_gen3_dtle" = "0x5"
+
+ # Force enable ASPM for PCIe Port 5
+ register "pcie_port_force_aspm" = "0x10"
+
+ # Enable port coalescing
+ register "pcie_port_coalesce" = "1"
+
+ # Disable PCIe CLKOUT 1,5 and CLKOUT_XDP
+ register "icc_clock_disable" = "0x01220000"
+
+ register "s0ix_enable" = "0"
+
+ 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 on end # Smart Sound Audio DSP
+ device pci 14.0 on end # USB3 XHCI
+ device pci 15.0 on end # Serial I/O DMA
+ device pci 15.1 on end # I2C0
+ device pci 15.2 on 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 off 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
+ device pci 1c.3 on end # PCIe Port #4
+ device pci 1c.4 on end # PCIe Port #5
+ device pci 1c.5 off end # PCIe Port #6
+ device pci 1d.0 on end # USB2 EHCI
+ device pci 1e.0 off end # PCI bridge
+ device pci 1f.0 on
+ chip drivers/pc80/tpm
+ device pnp 0c31.0 on end
+ end
+ chip ec/google/chromeec
+ 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 on end # Thermal
+ end
+end