diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/reef/Kconfig | 1 | ||||
| -rw-r--r-- | src/mainboard/google/reef/variants/sand/devicetree.cb | 227 |
2 files changed, 228 insertions, 0 deletions
diff --git a/src/mainboard/google/reef/Kconfig b/src/mainboard/google/reef/Kconfig index 0243d5783c..2247f19247 100644 --- a/src/mainboard/google/reef/Kconfig +++ b/src/mainboard/google/reef/Kconfig @@ -57,6 +57,7 @@ config VARIANT_DIR config DEVICETREE string default "variants/pyro/devicetree.cb" if BOARD_GOOGLE_PYRO + default "variants/sand/devicetree.cb" if BOARD_GOOGLE_SAND default "variants/snappy/devicetree.cb" if BOARD_GOOGLE_SNAPPY default "variants/baseboard/devicetree.cb" diff --git a/src/mainboard/google/reef/variants/sand/devicetree.cb b/src/mainboard/google/reef/variants/sand/devicetree.cb new file mode 100644 index 0000000000..b0c82e2be8 --- /dev/null +++ b/src/mainboard/google/reef/variants/sand/devicetree.cb @@ -0,0 +1,227 @@ +chip soc/intel/apollolake + + device cpu_cluster 0 on + device lapic 0 on end + end + + register "pcie_rp0_clkreq_pin" = "0" # wifi/bt + # Disable unused clkreq of PCIe root ports + register "pcie_rp1_clkreq_pin" = "CLKREQ_DISABLED" + register "pcie_rp2_clkreq_pin" = "CLKREQ_DISABLED" + register "pcie_rp3_clkreq_pin" = "CLKREQ_DISABLED" + register "pcie_rp4_clkreq_pin" = "CLKREQ_DISABLED" + register "pcie_rp5_clkreq_pin" = "CLKREQ_DISABLED" + + # GPIO for PERST_0 + # If the Board has PERST_0 signal, assign the GPIO + # If the Board does not have PERST_0, assign GPIO_PRT0_UDEF + register "prt0_gpio" = "GPIO_122" + + # EMMC TX DATA Delay 1 + # Refer to EDS-Vol2-22.3. + # [14:8] steps of delay for HS400, each 125ps. + # [6:0] steps of delay for SDR104/HS200, each 125ps. + register "emmc_tx_data_cntl1" = "0x0C16" + + # EMMC TX DATA Delay 2 + # Refer to EDS-Vol2-22.3. + # [30:24] steps of delay for SDR50, each 125ps. + # [22:16] steps of delay for DDR50, each 125ps. + # [14:8] steps of delay for SDR25/HS50, each 125ps. + # [6:0] steps of delay for SDR12, each 125ps. + register "emmc_tx_data_cntl2" = "0x28162828" + + # EMMC RX CMD/DATA Delay 1 + # Refer to EDS-Vol2-22.3. + # [30:24] steps of delay for SDR50, each 125ps. + # [22:16] steps of delay for DDR50, each 125ps. + # [14:8] steps of delay for SDR25/HS50, each 125ps. + # [6:0] steps of delay for SDR12, each 125ps. + register "emmc_rx_cmd_data_cntl1" = "0x00181717" + + # EMMC RX CMD/DATA Delay 2 + # Refer to EDS-Vol2-22.3. + # [17:16] stands for Rx Clock before Output Buffer + # [14:8] steps of delay for Auto Tuning Mode, each 125ps. + # [6:0] steps of delay for HS200, each 125ps. + register "emmc_rx_cmd_data_cntl2" = "0x10008" + + # Enable DPTF + register "dptf_enable" = "1" + + # PL1 override 12000 mW: the energy calculation is wrong with the + # current VR solution. Experiments show that SoC TDP max (6W) can + # be reached when RAPL PL1 is set to 12W. + register "tdp_pl1_override_mw" = "12000" + # Set RAPL PL2 to 15W. + register "tdp_pl2_override_mw" = "15000" + + # Enable Audio Clock and Power gating + register "hdaudio_clk_gate_enable" = "1" + register "hdaudio_pwr_gate_enable" = "1" + register "hdaudio_bios_config_lockdown" = "1" + + # Enable lpss s0ix + register "lpss_s0ix_enable" = "1" + + # 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_N_31_0" + register "gpe0_dw2" = "PMC_GPE_N_63_32" + register "gpe0_dw3" = "PMC_GPE_SW_31_0" + + # Enable I2C0 for audio codec at 400kHz + register "i2c[0]" = "{ + .speed = I2C_SPEED_FAST, + .rise_time_ns = 104, + .fall_time_ns = 52, + }" + + # Enable I2C2 bus early for TPM at 400kHz + register "i2c[2]" = "{ + .early_init = 1, + .speed = I2C_SPEED_FAST, + .rise_time_ns = 57, + .fall_time_ns = 28, + }" + + # touchscreen at 400kHz + register "i2c[3]" = "{ + .speed = I2C_SPEED_FAST, + .rise_time_ns = 76, + .fall_time_ns = 164, + }" + + # trackpad at 400kHz + register "i2c[4]" = "{ + .speed = I2C_SPEED_FAST, + .rise_time_ns = 114, + .fall_time_ns = 164, + }" + + # digitizer at 400kHz + register "i2c[5]" = "{ + .speed = I2C_SPEED_FAST, + .rise_time_ns = 152, + .fall_time_ns = 30, + }" + + # Minimum SLP S3 assertion width 28ms. + register "slp_s3_assertion_width_usecs" = "28000" + + device domain 0 on + device pci 00.0 on end # - Host Bridge + device pci 00.1 on end # - DPTF + device pci 00.2 on end # - NPK + device pci 02.0 on end # - Gen + device pci 03.0 on end # - Iunit + device pci 0d.0 on end # - P2SB + device pci 0d.1 on end # - PMC + device pci 0d.2 on end # - SPI + device pci 0d.3 on end # - Shared SRAM + device pci 0e.0 on # - Audio + chip drivers/generic/max98357a + register "sdmode_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_76)" + register "sdmode_delay" = "5" + device generic 0 on end + end + end + device pci 11.0 off end # - ISH + device pci 12.0 off end # - SATA + device pci 13.0 off end # - Root Port 2 - PCIe-A 0 + device pci 13.1 off end # - Root Port 3 - PCIe-A 1 + device pci 13.2 off end # - Root Port 4 - PCIe-A 2 + device pci 13.3 off end # - Root Port 5 - PCIe-A 3 + device pci 14.0 on + chip drivers/intel/wifi + register "wake" = "GPE0_DW3_00" + device pci 00.0 on end + end + end # - Root Port 0 - PCIe-B 0 - Wifi + device pci 14.1 off end # - Root Port 1 - PCIe-B 1 + device pci 15.0 on end # - XHCI + device pci 15.1 off end # - XDCI + device pci 16.0 on # - I2C 0 + chip drivers/i2c/da7219 + register "irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_116_IRQ)" + register "btn_cfg" = "50" + register "mic_det_thr" = "500" + register "jack_ins_deb" = "20" + register "jack_det_rate" = ""32ms_64ms"" + register "jack_rem_deb" = "1" + register "a_d_btn_thr" = "0xa" + register "d_b_btn_thr" = "0x16" + register "b_c_btn_thr" = "0x21" + register "c_mic_btn_thr" = "0x3e" + register "btn_avg" = "4" + register "adc_1bit_rpt" = "1" + register "micbias_lvl" = "2600" + register "mic_amp_in_sel" = ""diff"" + device i2c 1a on end + end + end + device pci 16.1 on end # - I2C 1 + device pci 16.2 on + chip drivers/i2c/tpm + register "hid" = ""GOOG0005"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_28_IRQ)" + device i2c 50 on end + end + end # - I2C 2 + device pci 16.3 on + chip drivers/i2c/generic + register "hid" = ""ELAN0001"" + register "desc" = ""ELAN Touchscreen"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_21_IRQ)" + register "probed" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_36)" + register "reset_delay_ms" = "20" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_152)" + register "enable_delay_ms" = "1" + register "has_power_resource" = "1" + device i2c 10 on end + end + end # - I2C 3 + device pci 17.0 on + chip drivers/i2c/generic + register "hid" = ""ELAN0000"" + register "desc" = ""ELAN Touchpad"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_18_IRQ)" + register "wake" = "GPE0_DW1_15" + register "probed" = "1" + device i2c 15 on end + end + end # - I2C 4 + device pci 17.1 on + chip drivers/i2c/hid + register "generic.hid" = ""WCOM50C1"" + register "generic.desc" = ""WCOM Digitizer"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_13_IRQ)" + register "hid_desc_reg_offset" = "0x1" + device i2c 0x9 on end + end + end # - I2C 5 + device pci 17.2 off end # - I2C 6 + device pci 17.3 off end # - I2C 7 + device pci 18.0 on end # - UART 0 + device pci 18.1 on end # - UART 1 + device pci 18.2 on end # - UART 2 + device pci 18.3 off end # - UART 3 + device pci 19.0 on end # - SPI 0 + device pci 19.1 off end # - SPI 1 + device pci 19.2 off end # - SPI 2 + device pci 1a.0 on end # - PWM + device pci 1b.0 on end # - SDCARD + device pci 1c.0 on end # - eMMC + device pci 1e.0 off end # - SDIO + device pci 1f.0 on # - LPC + chip ec/google/chromeec + device pnp 0c09.0 on end + end + end + device pci 1f.1 on end # - SMBUS + end +end |