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-rw-r--r--src/mainboard/google/brya/variants/baseboard/hades/devicetree.cb120
1 files changed, 120 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/baseboard/hades/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/hades/devicetree.cb
index a5e2217fef..c05658a090 100644
--- a/src/mainboard/google/brya/variants/baseboard/hades/devicetree.cb
+++ b/src/mainboard/google/brya/variants/baseboard/hades/devicetree.cb
@@ -1,4 +1,124 @@
chip soc/intel/alderlake
+
+ # GPE configuration
+ register "pmc_gpe0_dw0" = "GPP_A"
+ register "pmc_gpe0_dw1" = "GPP_E"
+ register "pmc_gpe0_dw2" = "GPP_F"
+
+ # EC host command ranges are in 0x800-0x8ff & 0x200-0x20f
+ register "gen1_dec" = "0x00fc0801"
+ register "gen2_dec" = "0x000c0201"
+ # EC memory map range is 0x900-0x9ff
+ register "gen3_dec" = "0x00fc0901"
+
+ # S0ix enable
+ register "s0ix_enable" = "1"
+
+ # DPTF enable
+ register "dptf_enable" = "1"
+
+ register "tcc_offset" = "10" # TCC of 90
+
+ # Enable CNVi BT
+ register "cnvi_bt_core" = "true"
+
+ register "usb2_ports[0]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[1]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[2]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[3]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[4]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[5]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[6]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[7]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[8]" = "USB2_PORT_EMPTY"
+ register "usb2_ports[9]" = "USB2_PORT_EMPTY"
+
+ register "usb3_ports[0]" = "USB3_PORT_EMPTY"
+ register "usb3_ports[1]" = "USB3_PORT_EMPTY"
+ register "usb3_ports[2]" = "USB3_PORT_EMPTY"
+ register "usb3_ports[3]" = "USB3_PORT_EMPTY"
+
+ register "tcss_ports[0]" = "TCSS_PORT_EMPTY"
+ register "tcss_ports[1]" = "TCSS_PORT_EMPTY"
+ register "tcss_ports[2]" = "TCSS_PORT_EMPTY"
+ register "tcss_ports[3]" = "TCSS_PORT_EMPTY"
+
+ register "pch_slp_s3_min_assertion_width" = "SLP_S3_ASSERTION_50_MS"
+ register "pch_slp_s4_min_assertion_width" = "SLP_S4_ASSERTION_1S"
+ register "pch_slp_sus_min_assertion_width" = "SLP_SUS_ASSERTION_1_S"
+ register "pch_slp_a_min_assertion_width" = "SLP_A_ASSERTION_98_MS"
+ register "pch_reset_power_cycle_duration" = "POWER_CYCLE_DURATION_1S"
+
+ # HD Audio
+ register "pch_hda_dsp_enable" = "1"
+ register "pch_hda_idisp_link_tmode" = "HDA_TMODE_8T"
+ register "pch_hda_idisp_link_frequency" = "HDA_LINKFREQ_96MHZ"
+ register "pch_hda_idisp_codec_enable" = "1"
+
+ # FIVR RFI Spread Spectrum 1.5%
+ register "fivr_spread_spectrum" = "FIVR_SS_1_5"
+
+ # Disable C state auto-demotion for all brya baseboards
+ register "disable_c1_state_auto_demotion" = "1"
+
+ register "serial_io_uart_mode" = "{
+ [PchSerialIoIndexUART0] = PchSerialIoPci,
+ [PchSerialIoIndexUART1] = PchSerialIoDisabled,
+ [PchSerialIoIndexUART2] = PchSerialIoDisabled,
+ }"
+
device domain 0 on
+ # The timing values can be derived from datasheet of display panel
+ # You can use EDID string to identify the type of display on the board
+ # use below command to get display info from EDID
+ # strings /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-eDP-1/edid
+
+ # refer to display PRM document (Volume 2b: Command Reference: Registers)
+ # for more info on display control registers
+ # https://01.org/linuxgraphics/documentation/hardware-specification-prms
+ #+-----------------------------+---------------------------------------+-----+
+ #| Intel docs | devicetree.cb | eDP |
+ #+-----------------------------+---------------------------------------+-----+
+ #| Power up delay | `gpu_panel_power_up_delay` | T3 |
+ #+-----------------------------+---------------------------------------+-----+
+ #| Power on to backlight on | `gpu_panel_power_backlight_on_delay` | T7 |
+ #+-----------------------------+---------------------------------------+-----+
+ #| Power Down delay | `gpu_panel_power_down_delay` | T10 |
+ #+-----------------------------+---------------------------------------+-----+
+ #| Backlight off to power down | `gpu_panel_power_backlight_off_delay` | T9 |
+ #+-----------------------------+---------------------------------------+-----+
+ #| Power Cycle Delay | `gpu_panel_power_cycle_delay` | T12 |
+ #+-----------------------------+---------------------------------------+-----+
+ device ref igpu on
+ register "panel_cfg" = "{
+ .up_delay_ms = 200,
+ .down_delay_ms = 50,
+ .cycle_delay_ms = 500,
+ .backlight_on_delay_ms = 1,
+ .backlight_off_delay_ms = 200,
+ .backlight_pwm_hz = 200,
+ }"
+ end
+ device ref dtt on end
+ device ref tcss_xhci on end
+ device ref xhci on end
+ device ref shared_sram on end
+ device ref cnvi_wifi on
+ chip drivers/wifi/generic
+ register "wake" = "GPE0_PME_B0"
+ register "add_acpi_dma_property" = "true"
+ device generic 0 on end
+ end
+ end
+ device ref heci1 on end
+ device ref sata on end
+ device ref uart0 on end
+ device ref gspi1 on end
+ device ref pch_espi on
+ chip ec/google/chromeec
+ device pnp 0c09.0 on end
+ end
+ end
+ device ref hda on end
end
end