src/mainboard/system76/gaze16/devicetree.cb

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