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-rw-r--r--src/mainboard/system76/rpl/devicetree.cb72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/mainboard/system76/rpl/devicetree.cb b/src/mainboard/system76/rpl/devicetree.cb
new file mode 100644
index 0000000000..0fed44d889
--- /dev/null
+++ b/src/mainboard/system76/rpl/devicetree.cb
@@ -0,0 +1,72 @@
+chip soc/intel/alderlake
+ register "common_soc_config" = "{
+ // Touchpad I2C bus
+ .i2c[0] = {
+ .speed = I2C_SPEED_FAST,
+ .rise_time_ns = 80,
+ .fall_time_ns = 110,
+ },
+ }"
+
+ # Enable Enhanced Intel SpeedStep
+ register "eist_enable" = "1"
+
+ # Enable C6 DRAM
+ register "enable_c6dram" = "1"
+
+ # Thermal
+ register "tcc_offset" = "8"
+
+ device cpu_cluster 0 on end
+
+ device domain 0 on
+ device ref system_agent on end
+ device ref igpu on
+ # DDIA is eDP, DDIB is HDMI
+ register "ddi_portA_config" = "1"
+ register "ddi_ports_config" = "{
+ [DDI_PORT_A] = DDI_ENABLE_HPD,
+ [DDI_PORT_B] = DDI_ENABLE_HPD | DDI_ENABLE_DDC,
+ }"
+
+ register "gfx" = "GMA_DEFAULT_PANEL(0)"
+ end
+ device ref shared_sram on end
+ device ref cnvi_wifi on
+ register "cnvi_bt_core" = "true"
+ register "cnvi_bt_audio_offload" = "true"
+ chip drivers/wifi/generic
+ register "wake" = "GPE0_PME_B0"
+ device generic 0 on end
+ end
+ end
+ device ref i2c1 on
+ register "serial_io_i2c_mode[PchSerialIoIndexI2C1]" = "PchSerialIoPci"
+ end
+
+ device ref heci1 on end
+ device ref sata on
+ register "sata_salp_support" = "1"
+ register "sata_ports_enable[1]" = "1" # SSD1
+ # FIXME: DevSlp breaks S0ix
+ #register "sata_ports_dev_slp[1]" = "1" # GPP_H12 (SATA1_DEVSLP1)
+ end
+ device ref pch_espi on
+ register "gen1_dec" = "0x00040069" # EC PM channel
+ register "gen2_dec" = "0x00fc0e01" # AP/EC command
+ register "gen3_dec" = "0x00fc0f01" # AP/EC debug
+ chip drivers/pc80/tpm
+ device pnp 0c31.0 on end
+ end
+ end
+ device ref p2sb on end
+ device ref hda on
+ register "pch_hda_audio_link_hda_enable" = "1"
+ register "pch_hda_idisp_codec_enable" = "1"
+ register "pch_hda_idisp_link_frequency" = "HDA_LINKFREQ_96MHZ"
+ register "pch_hda_idisp_link_tmode" = "HDA_TMODE_8T"
+ end
+ device ref smbus on end
+ device ref fast_spi on end
+ end
+end