src/mainboard/system76/tgl-h/devicetree.cb

   1 # SPDX-License-Identifier: GPL-2.0-only
   2
   3 chip soc/intel/tigerlake
   4         register "common_soc_config" = "{
   5                 // Touchpad I2C bus
   6                 .i2c[0] = {
   7                         .speed = I2C_SPEED_FAST,
   8                         .rise_time_ns = 80,
   9                         .fall_time_ns = 110,
  10                 },
  11         }"
  12
  13 # ACPI (soc/intel/tigerlake/acpi.c)
  14         # Enable Enhanced Intel SpeedStep
  15         register "eist_enable" = "true"
  16
  17 # CPU (soc/intel/tigerlake/cpu.c)
  18         # Power limits
  19         register "power_limits_config[POWER_LIMITS_H_8_CORE]" = "{
  20                 .tdp_pl1_override = 45,
  21                 .tdp_pl2_override = 109,
  22         }"
  23         register "power_limits_config[POWER_LIMITS_H_6_CORE]" = "{
  24                 .tdp_pl1_override = 45,
  25                 .tdp_pl2_override = 109,
  26         }"
  27
  28 # FSP Memory (soc/intel/tigerlake/romstage/fsp_params.c)
  29         # Enable C6 DRAM
  30         register "enable_c6dram" = "1"
  31
  32 # FSP Silicon (soc/intel/tigerlake/fsp_params.c)
  33         # Acoustic settings
  34         register "AcousticNoiseMitigation" = "1"
  35         register "SlowSlewRate" = "SLEW_FAST_8"
  36         register "FastPkgCRampDisable" = "1"
  37
  38         # FIVR configuration
  39         #   Read EXT_RAIL_CONFIG to determine bitmaps
  40         #     sudo devmem2 0xfe0011b8
  41         #     0x0
  42         #   Read EXT_V1P05_VR_CONFIG
  43         #     sudo devmem2 0xfe0011c0
  44         #     0x1a42000
  45         #   Read EXT_VNN_VR_CONFIG0
  46         #     sudo devmem2 0xfe0011c4
  47         #     0x1a42000
  48         # TODO: v1p05 voltage and vnn icc max?
  49         register "ext_fivr_settings" = "{
  50                 .configure_ext_fivr = 1,
  51                 .v1p05_enable_bitmap = 0,
  52                 .vnn_enable_bitmap = 0,
  53                 .v1p05_supported_voltage_bitmap = 0,
  54                 .vnn_supported_voltage_bitmap = 0,
  55                 .v1p05_icc_max_ma = 500,
  56                 .vnn_sx_voltage_mv = 1050,
  57         }"
  58
  59         # Disable S0ix substates
  60         register "LpmStateDisableMask" = "
  61                 LPM_S0i2_1 |
  62                 LPM_S0i2_2 |
  63                 LPM_S0i3_1 |
  64                 LPM_S0i3_2 |
  65                 LPM_S0i3_3 |
  66                 LPM_S0i3_4
  67         "
  68
  69         # Thermal
  70         # rdmsr --bitfield 31:24 --decimal 0x1A2
  71         register "tcc_offset" = "8"
  72
  73 # PM Util (soc/intel/tigerlake/pmutil.c)
  74         # GPE configuration
  75         register "pmc_gpe0_dw0" = "PMC_GPP_R"
  76         register "pmc_gpe0_dw1" = "PMC_GPP_B"
  77         register "pmc_gpe0_dw2" = "PMC_GPP_D"
  78
  79 # Actual device tree
  80         device domain 0 on
  81                 #From CPU EDS(575683)
  82                 device ref system_agent on end
  83                 device ref igpu on
  84                         # DDIA is eDP
  85                         register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
  86                         register "DdiPortAHpd" = "1"
  87                         register "DdiPortADdc" = "0"
  88
  89                         register "gfx" = "GMA_DEFAULT_PANEL(0)"
  90                 end
  91                 device ref dptf on end
  92                 device ref gna on end
  93                 device ref north_xhci on
  94                         # TODO: No TBT, but needed for USB 2.0 on Type-C port?
  95                         register "TcssXhciEn" = "1"
  96                 end
  97
  98                 # From PCH EDS(615985)
  99                 device ref shared_ram on end
 100                 device ref cnvi_wifi on
 101                         register "CnviBtCore" = true
 102                         register "CnviBtAudioOffload" = true
 103                         chip drivers/wifi/generic
 104                                 register "wake" = "GPE0_PME_B0"
 105                                 device generic 0 on end
 106                         end
 107                 end
 108                 device ref i2c0 on
 109                         # Touchpad I2C bus
 110                         register "SerialIoI2cMode[PchSerialIoIndexI2C0]" = "PchSerialIoPci"
 111                         chip drivers/i2c/hid
 112                                 register "generic.hid" = ""ELAN0412""
 113                                 register "generic.desc" = ""ELAN Touchpad""
 114                                 register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPP_R12)"
 115                                 register "generic.detect" = "1"
 116                                 register "hid_desc_reg_offset" = "0x01"
 117                                 device i2c 15 on end
 118                         end
 119                         chip drivers/i2c/hid
 120                                 register "generic.hid" = ""SYNA1202""
 121                                 register "generic.desc" = ""Synaptics Touchpad""
 122                                 register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPP_R12)"
 123                                 register "generic.detect" = "1"
 124                                 register "hid_desc_reg_offset" = "0x20"
 125                                 device i2c 2c on end
 126                         end
 127                 end
 128                 device ref heci1 on end
 129                 device ref uart2 on
 130                         # Debug console
 131                         register "SerialIoUartMode[PchSerialIoIndexUART2]" = "PchSerialIoSkipInit"
 132                 end
 133                 device ref pch_espi on
 134                         register "gen1_dec" = "0x00040069" # EC PM channel
 135                         register "gen2_dec" = "0x00fc0E01" # AP/EC command
 136                         register "gen3_dec" = "0x00fc0F01" # AP/EC debug
 137                         chip drivers/pc80/tpm
 138                                 device pnp 0c31.0 on end
 139                         end
 140                 end
 141                 device ref p2sb on end
 142                 device ref pmc hidden end
 143                 device ref hda on
 144                         register "PchHdaAudioLinkHdaEnable" = "1"
 145                 end
 146                 device ref smbus on end
 147                 device ref fast_spi on end
 148         end
 149 end