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path: root/src/mainboard/google/rex/variants/rex0/overridetree.cb
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chip soc/intel/meteorlake

	register "serial_io_gspi_mode" = "{
		[PchSerialIoIndexGSPI0] = PchSerialIoDisabled,
		[PchSerialIoIndexGSPI1] = PchSerialIoPci,
		[PchSerialIoIndexGSPI2] = PchSerialIoDisabled,
	}"

	register "serial_io_i2c_mode" = "{
		[PchSerialIoIndexI2C0] = PchSerialIoPci,
		[PchSerialIoIndexI2C1] = PchSerialIoPci,
		[PchSerialIoIndexI2C2] = PchSerialIoDisabled,
		[PchSerialIoIndexI2C3] = PchSerialIoPci,
		[PchSerialIoIndexI2C4] = PchSerialIoPci,
		[PchSerialIoIndexI2C5] = PchSerialIoPci,
	}"

	# Intel Common SoC Config
	#+-------------------+---------------------------+
	#| Field             |  Value                    |
	#+-------------------+---------------------------+
	#| I2C0              | Audio and WFC             |
	#| I2C1              | Touchscreen               |
	#| I2C3              | Touchpad                  |
	#| I2C4              | cr50 TPM. Early init is   |
	#|                   | required to set up a BAR  |
	#|                   | for TPM communication     |
	#| I2C5              | UFC, SAR1, SAR2, HPS      |
	#+-------------------+---------------------------+
	register "common_soc_config" = "{
		.i2c[0] = {
			.speed = I2C_SPEED_FAST,
			.rise_time_ns = 650,
			.fall_time_ns = 400,
			.data_hold_time_ns = 50,
		},
		.i2c[1] = {
			.speed = I2C_SPEED_FAST,
			.rise_time_ns = 650,
			.fall_time_ns = 400,
			.data_hold_time_ns = 50,
		},
		.i2c[3] = {
			.speed = I2C_SPEED_FAST,
			.rise_time_ns = 650,
			.fall_time_ns = 400,
			.data_hold_time_ns = 50,
		},
		.i2c[4] = {
			.early_init = 1,
			.speed = I2C_SPEED_FAST,
			.rise_time_ns = 600,
			.fall_time_ns = 400,
			.data_hold_time_ns = 50,
		},
		.i2c[5] = {
			.speed = I2C_SPEED_FAST,
			.rise_time_ns = 900,
			.fall_time_ns = 400,
			.data_hold_time_ns = 50,
		},
	}"

	device domain 0 on
		device ref pcie_rp9 on
			# Enable SSD Card PCIE 9 using clk 4
			register "pcie_rp[PCH_RP(9)]" = "{
				.clk_src = 4,
				.clk_req = 4,
				.flags = PCIE_RP_LTR | PCIE_RP_AER,
			}"
		end	#PCIE9 SSD card
		device ref pcie_rp11 on
			# Enable SD Card PCIE 11 using clk 2
			register "pcie_rp[PCH_RP(11)]" = "{
				.clk_src = 2,
				.clk_req = 2,
				.flags = PCIE_RP_HOTPLUG | PCIE_RP_LTR | PCIE_RP_AER,
			}"
		end	#PCIE11 SD card
		device ref tbt_pcie_rp0 on end
		device ref tbt_pcie_rp1 on end
		device ref tbt_pcie_rp2 on end
		device ref tbt_pcie_rp3 on end
		device ref tcss_xhci on end
		device ref tcss_dma0 on end
		device ref tcss_dma1 on end
		device ref cnvi_wifi on
			chip drivers/wifi/generic
				register "wake" = "GPE0_PME_B0"
				register "is_untrusted" = "true"
				device generic 0 on end
			end
		end
		device ref i2c0 on end
		device ref i2c1 on end
		device ref i2c2 on end
		device ref i2c3 on end
		device ref sata on end
		device ref i2c4 on end
		device ref i2c5 on end
		device ref pcie_rp5 on
			# Enable WLAN Card PCIE 5 using clk 5
			register "pcie_rp[PCH_RP(5)]" = "{
				.clk_src = 5,
				.clk_req = 5,
				.flags = PCIE_RP_HOTPLUG | PCIE_RP_LTR | PCIE_RP_AER,
			}"
		end	#PCIE5 WLAN card
		device ref pcie_rp6 on
			# Enable WWAN Card PCIE 6 using clk 3
			register "pcie_rp[PCH_RP(6)]" = "{
				.clk_src = 3,
				.clk_req = 3,
				.flags = PCIE_RP_HOTPLUG | PCIE_RP_LTR | PCIE_RP_AER,
			}"
		end	#PCIE6 WWAN card
		device ref gspi1 on end
		device ref hda on end
	end
end