diff options
Diffstat (limited to 'src/mainboard/system76/tgl-u/devicetree.cb')
| -rw-r--r-- | src/mainboard/system76/tgl-u/devicetree.cb | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/mainboard/system76/tgl-u/devicetree.cb b/src/mainboard/system76/tgl-u/devicetree.cb new file mode 100644 index 0000000000..9c91c17368 --- /dev/null +++ b/src/mainboard/system76/tgl-u/devicetree.cb @@ -0,0 +1,134 @@ +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" + + # Enable CNVi BT + register "CnviBtCore" = "true" + +# Actual device tree + device cpu_cluster 0 on + device lapic 0 on end + 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 + 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.probed" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 15 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 |