src/mainboard/google/zork/variants/gumboz/overridetree.cb

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

	# Start : OPN Performance Configuration
	# See devhub #56670 Chapter 5 for documentation
	# For the below fields, 0 indicates use SOC default

	# System config index
	register "system_config" = "1"

	# Set STAPM confiuration. All of these fields must be set >0 to take affect
	register "slow_ppt_limit_mW" = "6000"
	register "fast_ppt_limit_mW" = "9000"
	register "slow_ppt_time_constant_s" = "5"
	register "stapm_time_constant_s" = "2500"
	register "sustained_power_limit_mW" = "4800"

	register "telemetry_vddcr_vdd_slope_mA" = "41322"
	register "telemetry_vddcr_vdd_offset" = "-25"
	register "telemetry_vddcr_soc_slope_mA" = "43440"
	register "telemetry_vddcr_soc_offset" = "115"
	# End : OPN Performance Configuration

	# USB 2.0 strength - MB type-C C0
	register "usb_2_port_tune_params[0]" = "{
		.com_pds_tune = 0x07,
		.sq_rx_tune = 0x3,
		.tx_fsls_tune = 0x3,
		.tx_pre_emp_amp_tune = 0x03,
		.tx_pre_emp_pulse_tune = 0x0,
		.tx_rise_tune = 0x1,
		.tx_vref_tune = 0xe,
		.tx_hsxv_tune = 0x3,
		.tx_res_tune = 0x01,
	}"

	# USB 2.0 strength - DB type-A
	register "usb_2_port_tune_params[2]" = "{
		.com_pds_tune = 0x07,
		.sq_rx_tune = 0x3,
		.tx_fsls_tune = 0x3,
		.tx_pre_emp_amp_tune = 0x03,
		.tx_pre_emp_pulse_tune = 0x0,
		.tx_rise_tune = 0x0,
		.tx_vref_tune = 0xe,
		.tx_hsxv_tune = 0x3,
		.tx_res_tune = 0x01,
	}"

	# USB 2.0 strength - DB type-C C1
	register "usb_2_port_tune_params[3]" = "{
		.com_pds_tune = 0x07,
		.sq_rx_tune = 0x3,
		.tx_fsls_tune = 0x3,
		.tx_pre_emp_amp_tune = 0x03,
		.tx_pre_emp_pulse_tune = 0x0,
		.tx_rise_tune = 0x0,
		.tx_vref_tune = 0xe,
		.tx_hsxv_tune = 0x3,
		.tx_res_tune = 0x01,
	}"

	# USB3 phy parameter
	register "usb3_phy_override" = "1"

	# USB3 Port0 Default
	register "usb3_phy_tune_params[0]" = "{
		.rx_eq_delta_iq_ovrd_val = 0x8,
		.rx_eq_delta_iq_ovrd_en = 0x1,
	}"

	# SUP_DIG_LVL_OVRD_IN Default
	register "usb3_rx_vref_ctrl" = "0x10"
	register "usb3_rx_vref_ctrl_en" = "0x00"
	register "usb_3_tx_vboost_lvl" = "0x07"
	register "usb_3_tx_vboost_lvl_en" = "0x01"

	# SUPX_DIG_LVL_OVRD_IN Default
	register "usb_3_rx_vref_ctrl_x" = "0x10"
	register "usb_3_rx_vref_ctrl_en_x" = "0x00"
	register "usb_3_tx_vboost_lvl_x" = "0x07"
	register "usb_3_tx_vboost_lvl_en_x" = "0x01"

	# I2C2 for touchscreen and trackpad
	register "i2c[2]" = "{
		.speed = I2C_SPEED_FAST,
		.rise_time_ns = 18,  /* 0 to 2.31 (3.3 * .7) */
		.fall_time_ns = 57,  /* 2.31 to 0 */
	}"

	# I2C3 for H1
	register "i2c[3]" = "{
		.speed = I2C_SPEED_FAST,
		.rise_time_ns = 98, /* 0 to 1.26v (1.8 * .7) */
		.fall_time_ns = 17,  /* 1.26v to 0 */
		.early_init = true,
	}"

	register "emmc_config" = "{
		.timing = SD_EMMC_EMMC_HS400,
		.sdr104_hs400_driver_strength = SD_EMMC_DRIVE_STRENGTH_A,
		.init_khz_preset = 400,
	}"

	# See AMD 55570-B1 Table 13: PCI Device ID Assignments.
	device domain 0 on
		subsystemid 0x1022 0x1510 inherit
	end # domain

	device mmio 0xfedc4000 on # APU_I2C2_BASE
		chip drivers/i2c/generic
			register "hid" = ""ELAN0000""
			register "desc" = ""ELAN Touchpad""
			register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_9)"
			register "wake" = "GEVENT_22"
			register "probed" = "1"
			device i2c 15 on end
		end
		chip drivers/i2c/generic
			register "hid" = ""ELAN0001""
			register "desc" = ""ELAN Touchscreen""
			register "probed" = "1"
			register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_12)"
			register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_32)"
			register "enable_delay_ms" = "1"
			register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_140)"
			register "reset_delay_ms" = "20"
			register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_144)"
			register "stop_off_delay_ms" = "1"
			register "has_power_resource" = "1"
			register "disable_gpio_export_in_crs" = "1"
			device i2c 10 on end
		end
		chip drivers/i2c/hid
			register "generic.hid" = ""GTCH7503""
			register "generic.desc" = ""G2TOUCH Touchscreen""
			register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_12)"
			register "generic.probed" = "1"
			register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_32)"
			register "generic.enable_delay_ms" = "1"
			register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_140)"
			register "generic.reset_delay_ms" = "50"
			register "generic.has_power_resource" = "1"
			register "hid_desc_reg_offset" = "0x01"
			device i2c 40 on end
		end
	end

	chip drivers/generic/max98357a
			register "hid" = ""MX98357A""
			register "sdmode_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_91)"
			register "sdmode_delay" = "5"
			device generic 0.1 on end
	end
end	# chip soc/amd/picasso