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-rw-r--r--src/mainboard/google/octopus/Kconfig1
-rw-r--r--src/mainboard/google/octopus/variants/bip/devicetree.cb194
2 files changed, 195 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/Kconfig b/src/mainboard/google/octopus/Kconfig
index 3254ec6339..79af95c238 100644
--- a/src/mainboard/google/octopus/Kconfig
+++ b/src/mainboard/google/octopus/Kconfig
@@ -46,6 +46,7 @@ config VARIANT_DIR
config DEVICETREE
string
+ default "variants/bip/devicetree.cb" if BOARD_GOOGLE_BIP
default "variants/baseboard/devicetree.cb"
config MAINBOARD_PART_NUMBER
diff --git a/src/mainboard/google/octopus/variants/bip/devicetree.cb b/src/mainboard/google/octopus/variants/bip/devicetree.cb
new file mode 100644
index 0000000000..860ca7933a
--- /dev/null
+++ b/src/mainboard/google/octopus/variants/bip/devicetree.cb
@@ -0,0 +1,194 @@
+chip soc/intel/apollolake
+ device cpu_cluster 0 on
+ device lapic 0 on end
+ end
+
+ register "pcie_rp_clkreq_pin[2]" = "3" # wifi/bt
+ # Disable unused clkreq of PCIe root ports
+ register "pcie_rp_clkreq_pin[0]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[1]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[3]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[4]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[5]" = "CLKREQ_DISABLED"
+
+ # Set de-emphasis to disabled for PCIE WiFI (Thunderpeak)
+ # as it is required for detection
+ register "pcie_rp_deemphasis_enable[2]" = "0"
+ # Set de-emphasis to default (enabled) for remaining ports
+ register "pcie_rp_deemphasis_enable[0]" = "1"
+ register "pcie_rp_deemphasis_enable[1]" = "1"
+ register "pcie_rp_deemphasis_enable[3]" = "1"
+ register "pcie_rp_deemphasis_enable[4]" = "1"
+ register "pcie_rp_deemphasis_enable[5]" = "1"
+
+ # GPIO for PERST_0 (WLAN_PE_RST)
+ register "prt0_gpio" = "GPIO_164"
+
+ # GPE configuration
+ # Note that GPE events called out in ASL code rely on this
+ # route, i.e., if this route changes then the affected GPE
+ # offset bits also need to be changed. This sets the PMC register
+ # GPE_CFG fields.
+ register "gpe0_dw1" = "PMC_GPE_NW_63_32"
+ register "gpe0_dw2" = "PMC_GPE_N_95_64"
+ register "gpe0_dw3" = "PMC_GPE_NW_31_0"
+
+ # PL1 override 8000 mW: Due to error in the energy calculation for
+ # current VR solution. Experiments show that SoC TDP max (6W) can
+ # be reached when RAPL PL1 is set to 8W.
+ register "tdp_pl1_override_mw" = "8000"
+ # Set RAPL PL2 to 15W.
+ register "tdp_pl2_override_mw" = "15000"
+
+ # Minimum SLP S3 assertion width 28ms.
+ register "slp_s3_assertion_width_usecs" = "28000"
+
+ # Enable lpss s0ix
+ register "lpss_s0ix_enable" = "1"
+
+ # Enable DPTF
+ register "dptf_enable" = "1"
+
+ # Enable Audio Clock and Power gating
+ register "hdaudio_clk_gate_enable" = "1"
+ register "hdaudio_pwr_gate_enable" = "1"
+ register "hdaudio_bios_config_lockdown" = "1"
+
+ # digitizer at 400kHz
+ register "i2c[0]" = "{
+ .speed = I2C_SPEED_FAST,
+ .rise_time_ns = 152,
+ .fall_time_ns = 30,
+ }"
+
+ # Enable I2C5 for audio codec at 400kHz
+ register "i2c[5]" = "{
+ .speed = I2C_SPEED_FAST,
+ .rise_time_ns = 104,
+ .fall_time_ns = 52,
+ }"
+
+ # trackpad at 400kHz
+ register "i2c[6]" = "{
+ .speed = I2C_SPEED_FAST,
+ .rise_time_ns = 114,
+ .fall_time_ns = 164,
+ .data_hold_time_ns = 350,
+ }"
+
+ # touchscreen at 400kHz
+ register "i2c[7]" = "{
+ .speed = I2C_SPEED_FAST,
+ .rise_time_ns = 76,
+ .fall_time_ns = 164,
+ }"
+
+ # Use GSPI0 for cr50 TPM. Early init is required to set up a BAR for TPM
+ # communication before memory is up.
+ register "gspi[0]" = "{
+ .speed_mhz = 1,
+ .early_init = 1,
+ }"
+
+ register "pnp_settings" = "PNP_PERF_POWER"
+
+ device domain 0 on
+ device pci 00.0 on end # - Host Bridge
+ device pci 00.1 on end # - DPTF
+ device pci 00.2 off end # - NPK
+ device pci 02.0 on end # - Gen
+ device pci 03.0 on end # - Iunit
+ device pci 0c.0 on end # - CNVi
+ device pci 0d.0 on end # - P2SB
+ device pci 0d.1 on end # - PMC
+ device pci 0d.2 on end # - Fast SPI
+ device pci 0d.3 on end # - Shared SRAM
+ device pci 0e.0 on
+ chip drivers/generic/max98357a
+ register "sdmode_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_91)"
+ register "sdmode_delay" = "5"
+ device generic 0 on end
+ end
+ end # - Audio
+ device pci 0f.0 on end # - Heci1
+ device pci 0f.1 on end # - Heci2
+ device pci 0f.2 on end # - Heci3
+ device pci 11.0 off end # - ISH
+ device pci 12.0 off end # - SATA
+ device pci 13.0 on
+ chip drivers/intel/wifi
+ device pci 00.0 on end
+ end
+ end # - PCIe-A 0 Onboard M2 Slot(Wifi)
+ device pci 13.1 off end # - PCIe-A 1
+ device pci 13.2 off end # - PCIe-A 2
+ device pci 13.3 off end # - PCIe-A 3
+ device pci 14.0 off end # - PCIe-B 0
+ device pci 14.1 off end # - PCIe-B 1
+ device pci 15.0 on end # - XHCI
+ device pci 15.1 off end # - XDCI
+ device pci 16.0 on
+ chip drivers/i2c/hid
+ register "generic.hid" = ""WCOM50C1""
+ register "generic.desc" = ""WCOM Digitizer""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_139_IRQ)"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x1"
+ device i2c 0x9 on end
+ end
+ end # - I2C 0
+ device pci 16.1 on end # - I2C 1
+ device pci 16.2 on end # - I2C 2
+ device pci 16.3 on end # - I2C 3
+ device pci 17.0 on end # - I2C 4
+ device pci 17.1 on end # - I2C 5
+ device pci 17.2 on
+ chip drivers/i2c/generic
+ register "hid" = ""ELAN0000""
+ register "desc" = ""ELAN Touchpad""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_135_IRQ)"
+ register "wake" = "GPE0_DW2_02"
+ register "probed" = "1"
+ device i2c 15 on end
+ end
+ end # - I2C 6
+ device pci 17.3 on
+ chip drivers/i2c/generic
+ register "hid" = ""ELAN0001""
+ register "desc" = ""ELAN Touchscreen""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_212_IRQ)"
+ register "probed" = "1"
+ register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_105)"
+ register "reset_delay_ms" = "20"
+ register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_213)"
+ register "enable_delay_ms" = "1"
+ register "has_power_resource" = "1"
+ device i2c 10 on end
+ end
+ end # - I2C 7
+ device pci 18.0 on end # - UART 0
+ device pci 18.1 off end # - UART 1
+ device pci 18.2 on end # - UART 2
+ device pci 18.3 off end # - UART 3
+ device pci 19.0 on
+ chip drivers/spi/acpi
+ register "hid" = "ACPI_DT_NAMESPACE_HID"
+ register "compat_string" = ""google,cr50""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_63_IRQ)"
+ device spi 0 on end
+ end
+ end # - GSPI 0
+ device pci 19.1 off end # - SPI 1
+ device pci 19.2 on end # - SPI 2
+ device pci 1a.0 on end # - PWM
+ device pci 1c.0 on end # - eMMC
+ device pci 1e.0 off end # - SDIO
+ device pci 1f.0 on
+ chip ec/google/chromeec
+ device pnp 0c09.0 on end
+ end
+ end # - ESPI
+ device pci 1f.1 on end # - SMBUS
+ end
+end