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path: root/src/mainboard/google/rambi/variants/gnawty/devicetree.cb
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chip soc/intel/baytrail

	# SATA port enable mask (2 ports)
	register "sata_port_map" = "0x1"
	register "sata_ahci" = "0x1"
	register "ide_legacy_combined" = "0x0"

	# Route USB ports to XHCI
	register "usb_route_to_xhci" = "1"

	# USB Port Disable Mask
	register "usb2_port_disable_mask" = "0x0"
	register "usb3_port_disable_mask" = "0x0"

	# USB PHY settings
	# TODO: These values are from Baytrail and need tuned for Gnawty board
	register "usb2_per_port_lane0" = "0x00049a09"
	register "usb2_per_port_rcomp_hs_pullup0" = "0x0300401d"
	register "usb2_per_port_lane1" = "0x00049a09"
	register "usb2_per_port_rcomp_hs_pullup1" = "0x0300401d"
	register "usb2_per_port_lane2" = "0x00049209"
	register "usb2_per_port_rcomp_hs_pullup2" = "0x01004015"
	register "usb2_per_port_lane3" = "0x00049a09"
	register "usb2_per_port_rcomp_hs_pullup3" = "0x0300401d"

	# LPE audio codec settings
	register "lpe_codec_clk_freq" = "25" # 25MHz clock
	register "lpe_codec_clk_num" = "0"   # PMC_PLT_CLK[0]

	# SD Card controller
	register "sdcard_cap_low" = "0x036864b2"
	register "sdcard_cap_high" = "0x0"

	# Enable devices in ACPI mode
	register "lpe_acpi_mode" = "1"
	register "lpss_acpi_mode" = "1"
	register "scc_acpi_mode" = "1"

	# Allow PCIe devices to wake system from suspend
	register "pcie_wake_enable" = "1"

	# Enable PIPEA as DP_C
	register "gpu_pipea_port_select" = "2"		# DP_C
	register "gpu_pipea_power_cycle_delay" = "6"	# 600ms
	register "gpu_pipea_power_on_delay" = "5000"	# 500ms
	register "gpu_pipea_light_on_delay" = "70"	# 7ms
	register "gpu_pipea_power_off_delay" = "500"	# 50ms
	register "gpu_pipea_light_off_delay" = "2000"	# 200ms

	# VR PS2 control
	register "vnn_ps2_enable" = "1"
	register "vcc_ps2_enable" = "1"

	# Disable SLP_X stretching after SUS power well fail.
	register "disable_slp_x_stretch_sus_fail" = "1"

	device cpu_cluster 0 on
		device lapic 0 on end
	end
	device domain 0 on
		device pci 00.0 on  end # SoC router
		device pci 02.0 on  end # GFX
		device pci 11.0 off end # SDIO
		device pci 12.0 on  end # SD
		device pci 13.0 on  end # SATA
		device pci 14.0 on  end # XHCI
		device pci 15.0 on  end # LPE
		device pci 17.0 on  end # MMC
		device pci 18.0 on  end # SIO_DMA1
		device pci 18.1 on  end # I2C1
		device pci 18.2 on  end # I2C2
		device pci 18.3 off end # I2C3
		device pci 18.4 off end # I2C4
		device pci 18.5 off end # I2C5
		device pci 18.6 off end # I2C6
		device pci 18.7 off end # I2C7
		device pci 1a.0 off end # TXE
		device pci 1b.0 on  end # HDA
		device pci 1c.0 on  end # PCIE_PORT1
		device pci 1c.1 on  end # PCIE_PORT2
		device pci 1c.2 off end # PCIE_PORT3
		device pci 1c.3 off end # PCIE_PORT4
		device pci 1d.0 on  end # EHCI
		device pci 1e.0 on  end # SIO_DMA2
		device pci 1e.1 off end # PWM1
		device pci 1e.2 off end # PWM2
		device pci 1e.3 off end # HSUART1
		device pci 1e.4 off end # HSUART2
		device pci 1e.5 off end # SPI
		device pci 1f.0 on
			chip drivers/pc80/tpm
				device pnp 0c31.0 on end
			end
			chip ec/google/chromeec
				# We only have one init function that
				# we need to call to initialize the
				# keyboard part of the EC.
				device pnp ff.1 on # dummy address
				end
			end
		end # LPC Bridge
		device pci 1f.3 off end # SMBus
	end
end