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Diffstat (limited to 'src/mainboard/google/auron/variants/samus/overridetree.cb')
-rw-r--r--src/mainboard/google/auron/variants/samus/overridetree.cb40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/mainboard/google/auron/variants/samus/overridetree.cb b/src/mainboard/google/auron/variants/samus/overridetree.cb
new file mode 100644
index 0000000000..93e96cac3f
--- /dev/null
+++ b/src/mainboard/google/auron/variants/samus/overridetree.cb
@@ -0,0 +1,40 @@
+chip soc/intel/broadwell
+
+ # Enable DDI2 Hotplug with 6ms pulse
+ register "gpu_dp_c_hotplug" = "0x06"
+
+ # 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
+
+ register "sata_port0_gen3_tx" = "0x72"
+
+ # Set I2C0 to 1.8V
+ register "sio_i2c0_voltage" = "1"
+
+ # Force enable ASPM for PCIe Port 3
+ register "pcie_port_force_aspm" = "0x04"
+ register "pcie_port_coalesce" = "1"
+
+ # Disable PCIe CLKOUT 1-5 and CLKOUT_XDP
+ register "icc_clock_disable" = "0x013b0000"
+
+ # Disable S0ix for now
+ register "s0ix_enable" = "0"
+
+ register "vr_slow_ramp_rate_set" = "3"
+ register "vr_slow_ramp_rate_enable" = "1"
+
+ device domain 0 on
+ device pci 13.0 on end # Smart Sound Audio DSP
+ device pci 15.3 on end # GSPI0
+ device pci 1b.0 off end # High Definition Audio
+ device pci 1c.0 off end # PCIe Port #1
+ device pci 1c.2 on end # PCIe Port #3
+ device pci 1d.0 off end # USB2 EHCI
+ end
+end