src/mainboard/google/zork/variants/baseboard/devicetree.cb

# SPDX-License-Identifier: GPL-2.0-or-later
chip soc/amd/picasso

	# Set FADT Configuration
	register "fadt_pm_profile" = "PM_MOBILE"
	register "fadt_boot_arch" = "ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042"
	register "fadt_flags" = "ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */
				ACPI_FADT_C1_SUPPORTED |
				ACPI_FADT_SLEEP_BUTTON |
				ACPI_FADT_S4_RTC_WAKE |
				ACPI_FADT_32BIT_TIMER |
				ACPI_FADT_RESET_REGISTER |
				ACPI_FADT_SEALED_CASE |
				ACPI_FADT_PCI_EXPRESS_WAKE |
				ACPI_FADT_REMOTE_POWER_ON"

	register "acp_pin_cfg" = "I2S_PINS_I2S_TDM"

	# DMIC select GPIO for ACP machine device
	# This GPIO is used to select DMIC0 or DMIC1 by the kernel driver. It does not
	# really have a polarity since low and high control the selection of DMIC and
	# hence does not have an active polarity.
	# Kernel driver does not use the polarity field and instead treats the GPIO
	# selection as follows:
	# Set low (0) = Select DMIC0
	# Set high (1) = Select DMIC1
	register "dmic_select_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_67)"

	# Start : OPN Performance Configuration
	# (Configuratin that is common for all variants)
	# For the below fields, 0 indicates use SOC default

	# PROCHOT_L de-assertion Ramp Time
	register "prochot_l_deassertion_ramp_time" = "20" #mS

	# Lower die temperature limit
	register "thermctl_limit" = "100" #degrees C

	# FP5 Processor Voltage Supply PSI Currents
	register "psi0_current_limit" = "18000" #mA
	register "psi0_soc_current_limit" = "12000"  #mA
	register "vddcr_soc_voltage_margin" = "0" #mV
	register "vddcr_vdd_voltage_margin" = "0" #mV

	# VRM Limits
	register "vrm_maximum_current_limit" = "0"  #mA
	register "vrm_soc_maximum_current_limit" = "0"  #mA
	register "vrm_current_limit" = "0"  #mA
	register "vrm_soc_current_limit" = "0" #mA

	# Misc SMU settings
	register "sb_tsi_alert_comparator_mode_en" = "0"
	register "core_dldo_bypass" = "1"
	register "min_soc_vid_offset" = "0"
	register "aclk_dpm0_freq_400MHz" = "0"

	# End : OPN Performance Configuration

	register "sd_emmc_config" = "SD_EMMC_EMMC_HS400"

	register "xhci0_force_gen1" = "0"

	# SPI Configuration
	register "common_config.spi_config" = "{
		.normal_speed = SPI_SPEED_66M, /* MHz */
		.fast_speed = SPI_SPEED_66M, /* MHz */
		.altio_speed = SPI_SPEED_66M, /* MHz */
		.tpm_speed = SPI_SPEED_66M, /* MHz */
		.read_mode = SPI_READ_MODE_DUAL112,
	}"

	# eSPI Configuration
	register "common_config.espi_config" = "{
		.std_io_decode_bitmap = ESPI_DECODE_IO_0x80_EN | ESPI_DECODE_IO_0X60_0X64_EN,
		.generic_io_range[0] = {
			.base = 0x62,
			/*
			 * Only 0x62 and 0x66 are required. But, this is not supported by
			 * standard IO decodes and there are only 4 generic I/O windows
			 * available. Hence, open a window from 0x62-0x67.
			 */
			.size = 5,
		},
		.generic_io_range[1] = {
			.base = 0x800,   /* EC_HOST_CMD_REGION0 */
			.size = 256,     /* EC_HOST_CMD_REGION_SIZE * 2 */
		},
		.generic_io_range[2] = {
			.base = 0x900,   /* EC_LPC_ADDR_MEMMAP */
			.size = 255,     /* EC_MEMMAP_SIZE */
		},
		.generic_io_range[3] = {
			.base = 0x200,   /* EC_LPC_ADDR_HOST_DATA */
			.size = 8,       /* 0x200 - 0x207 */
		},

		.io_mode = ESPI_IO_MODE_QUAD,
		.op_freq_mhz = ESPI_OP_FREQ_33_MHZ,
		.crc_check_enable = 1,
		.dedicated_alert_pin = 1,
		.periph_ch_en = 1,
		.vw_ch_en = 1,
		.oob_ch_en = 0,
		.flash_ch_en = 0,

		.vw_irq_polarity = ESPI_VW_IRQ_LEVEL_LOW(1) | ESPI_VW_IRQ_LEVEL_LOW(12),
	}"

	register "i2c_scl_reset" = "GPIO_I2C2_SCL | GPIO_I2C3_SCL"

	device cpu_cluster 0 on
		device lapic 0 on end
	end

	# See AMD 55570-B1 Table 13: PCI Device ID Assignments.
	device domain 0 on
		subsystemid 0x1022 0x1510 inherit
		device pci 0.0 on  end # Root Complex
		device pci 0.2 on  end # IOMMU
		device pci 1.0 on  end # Dummy Host Bridge, must be enabled
		device pci 1.1 off end # GPP Bridge 0
		device pci 1.2 on  end # GPP Bridge 1 - Wifi
		device pci 1.3 on  end # GPP Bridge 2 - SD
		device pci 1.4 off end # GPP Bridge 3
		device pci 1.5 off end # GPP Bridge 4
		device pci 8.0 on  end # Dummy Host Bridge, must be enabled
		device pci 8.1 on      # Internal GPP Bridge 0 to Bus A
			device pci 0.0 on  end # Internal GPU
			device pci 0.1 on  end # Display HDA
			device pci 0.2 on  end # Crypto Coprocesor
			device pci 0.5 on  end # Audio
			device pci 0.6 on  end # HDA
			device pci 0.7 on  end # non-Sensor Fusion Hub device
		end
		device pci 8.2 on      # Internal GPP Bridge 0 to Bus B
			device pci 0.0 on  end # AHCI
		end
		device pci 14.0 on  end # SM
		device pci 14.3 on  # - D14F3 bridge
			chip ec/google/chromeec
				device pnp 0c09.0 on
					chip ec/google/chromeec/i2c_tunnel
						register "uid" = "1"
						register "remote_bus" = "8"
						device generic 0.0 on
							chip drivers/i2c/generic
								register "hid" = ""10EC5682""
								register "name" = ""RT58""
								register "uid" = "1"
								register "desc" = ""Realtek RT5682""
								register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_BOTH(62)"
								register "property_count" = "1"
								register "property_list[0].type" = "ACPI_DP_TYPE_INTEGER"
								register "property_list[0].name" = ""realtek,jd-src""
								register "property_list[0].integer" = "1"
								device i2c 1a on end
							end
						end
					end
					chip ec/google/chromeec/i2c_tunnel
						register "name" = ""MSTH""
						register "uid" = "1"
						register "remote_bus" = "9"
						device generic 1.0 on end
					end
				end
			end
		end
		device pci 18.0 on  end # Data fabric [0-7]
		device pci 18.1 on  end
		device pci 18.2 on  end
		device pci 18.3 on  end
		device pci 18.4 on  end
		device pci 18.5 on  end
		device pci 18.6 on  end
	end # domain

	chip drivers/generic/max98357a
			register "sdmode_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_91)"
			register "sdmode_delay" = "5"
			device generic 0.1 on end
	end

	device mmio 0xfedc5000 on
		chip drivers/i2c/tpm
			register "hid" = ""GOOG0005""
			register "desc" = ""Cr50 TPM""
			register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_3)"
			device i2c 50 on end
		end
	end

end	# chip soc/amd/picasso