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# SPDX-License-Identifier: GPL-2.0-only
chip soc/intel/tigerlake
register "common_soc_config" = "{
// Touchpad I2C bus
.i2c[0] = {
.speed = I2C_SPEED_FAST,
.rise_time_ns = 80,
.fall_time_ns = 110,
},
}"
# ACPI (soc/intel/tigerlake/acpi.c)
# Enable Enhanced Intel SpeedStep
register "eist_enable" = "1"
# Enable s0ix, required for TGL-U
register "s0ix_enable" = "1"
# FSP Memory (soc/intel/tigerlake/romstage/fsp_params.c)
# Enable C6 DRAM
register "enable_c6dram" = "1"
# System Agent dynamic frequency support
register "SaGv" = "SaGv_Enabled"
# FSP Silicon (soc/intel/tigerlake/fsp_params.c)
# Acoustic settings
register "AcousticNoiseMitigation" = "1"
register "SlowSlewRate" = "SLEW_FAST_8"
register "FastPkgCRampDisable" = "1"
# FIVR configuration
# Read EXT_RAIL_CONFIG to determine bitmaps
# sudo devmem2 0xfe0011b8
# 0x0
# Read EXT_V1P05_VR_CONFIG
# sudo devmem2 0xfe0011c0
# 0x1a42000
# Read EXT_VNN_VR_CONFIG0
# sudo devmem2 0xfe0011c4
# 0x1a42000
# TODO: v1p05 voltage and vnn icc max?
register "ext_fivr_settings" = "{
.configure_ext_fivr = 1,
.v1p05_enable_bitmap = 0,
.vnn_enable_bitmap = 0,
.v1p05_supported_voltage_bitmap = 0,
.vnn_supported_voltage_bitmap = 0,
.v1p05_icc_max_ma = 500,
.vnn_sx_voltage_mv = 1050,
}"
# Read LPM_EN, make sure to invert the bits
register "LpmStateDisableMask" = "
LPM_S0i2_1 |
LPM_S0i2_2 |
LPM_S0i3_1 |
LPM_S0i3_2 |
LPM_S0i3_3 |
LPM_S0i3_4
"
# Thermal
register "tcc_offset" = "12"
# Actual device tree
device cpu_cluster 0 on end
device domain 0 on
device ref system_agent on end
device ref igpu on
# DDIA is eDP
register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
register "DdiPortAHpd" = "1"
register "DdiPortADdc" = "0"
# DDIB is HDMI
register "DdiPortBConfig" = "DDI_PORT_CFG_NO_LFP"
register "DdiPortBHpd" = "1"
register "DdiPortBDdc" = "1"
register "gfx" = "GMA_DEFAULT_PANEL(0)"
end
device ref dptf on end
device ref tbt_pcie_rp0 on end
device ref gna on end
device ref shared_ram on end
device ref cnvi_wifi on
register "CnviBtCore" = true
register "CnviBtAudioOffload" = true
chip drivers/wifi/generic
register "wake" = "GPE0_PME_B0"
device generic 0 on end
end
end
device ref i2c0 on
# Touchpad I2C bus
register "SerialIoI2cMode[PchSerialIoIndexI2C0]" = "PchSerialIoPci"
chip drivers/i2c/hid
register "generic.hid" = ""ELAN0412""
register "generic.desc" = ""ELAN Touchpad""
register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPP_B3)"
register "generic.detect" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 15 on end
end
chip drivers/i2c/hid
register "generic.hid" = ""FTCS1000""
register "generic.desc" = ""FocalTech Touchpad""
register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPP_B3)"
register "generic.detect" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 38 on end
end
end
device ref i2c1 on
# TODO: USB-PD?
register "SerialIoI2cMode[PchSerialIoIndexI2C1]" = "PchSerialIoPci"
end
device ref heci1 on end
device ref uart2 on
# Debug console
register "SerialIoUartMode[PchSerialIoIndexUART2]" = "PchSerialIoSkipInit"
end
device ref pch_espi on
register "gen1_dec" = "0x00040069"
register "gen2_dec" = "0x00fc0E01"
register "gen3_dec" = "0x00fc0F01"
chip drivers/pc80/tpm
device pnp 0c31.0 on end
end
end
device ref p2sb on end
device ref hda on
register "PchHdaAudioLinkHdaEnable" = "1"
end
device ref smbus on end
device ref fast_spi on end
end
end
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