diff options
Diffstat (limited to 'src/mainboard/amd')
| -rw-r--r-- | src/mainboard/amd/persimmon/devicetree.cb | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/mainboard/amd/persimmon/devicetree.cb b/src/mainboard/amd/persimmon/devicetree.cb index 178fd76eef..bd40a43a62 100644 --- a/src/mainboard/amd/persimmon/devicetree.cb +++ b/src/mainboard/amd/persimmon/devicetree.cb @@ -91,6 +91,55 @@ chip northbridge/amd/agesa/family14/root_complex device pci 16.2 off end # EHCI USB3 register "gpp_configuration" = "0" #4:0:0:0 (really need to disable all 4 somehow) register "boot_switch_sata_ide" = "0" # 0: boot from SATA. 1: IDE + + #set up SB800 Fan control registers and IMC fan controls + register "imc_port_address" = "0x6E" # 0x2E and 0x6E are common + register "fan0_enabled" = "1" + register "fan1_enabled" = "1" + register "imc_fan_zone0_enabled" = "1" + register "imc_fan_zone1_enabled" = "1" + + register "fan0_config_vals" = "{ \ + FAN_INPUT_INTERNAL_DIODE, FAN_POLARITY_HIGH, \ + FREQ_25KHZ, 0x08, 0x00, 0x00, 0x00, 0x00,\ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }" + register "fan1_config_vals" = "{ \ + FAN_INPUT_INTERNAL_DIODE, FAN_POLARITY_HIGH, \ + FREQ_25KHZ, 0x10, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }" + + register "imc_zone0_mode1" = " \ + IMC_MODE1_FAN_ENABLED | IMC_MODE1_FAN_IMC_CONTROLLED | \ + IMC_MODE1_FAN_STEP_MODE | IMC_MODE1_FANOUT0" + register "imc_zone0_mode2" = " IMC_MODE2_TEMPIN_SB_TSI | \ + IMC_MODE2_FANIN0 | IMC_MODE2_TEMP_AVERAGING_DISABLED" + register "imc_zone0_temp_offset" = "0x00" # No temp offset + register "imc_zone0_hysteresis" = "0x05" # Degrees C Hysteresis + register "imc_zone0_smbus_addr" = "0x98" # Temp Sensor SMBus address + register "imc_zone0_smbus_num" = "IMC_TEMP_SENSOR_ON_SMBUS_3" # SMBUS number + register "imc_zone0_pwm_step" = "0x01" # Fan PWM stepping rate + register "imc_zone0_ramping" = "0x00" # Disable Fan PWM ramping and stepping + + register "imc_zone1_mode1" = " \ + IMC_MODE1_FAN_ENABLED | IMC_MODE1_FAN_IMC_CONTROLLED | \ + IMC_MODE1_FAN_STEP_MODE | IMC_MODE1_FANOUT1" + register "imc_zone1_mode2" = " IMC_MODE2_TEMPIN_SB_TSI | \ + IMC_MODE2_FANIN1 | IMC_MODE2_TEMP_AVERAGING_DISABLED" + register "imc_zone1_temp_offset" = "0x00" # No temp offset + register "imc_zone1_hysteresis" = "0x05" # Degrees C Hysteresis + register "imc_zone1_smbus_addr" = "0x98" # Temp Sensor SMBus address + register "imc_zone1_smbus_num" = "IMC_TEMP_SENSOR_ON_SMBUS_3" # SMBUS number + register "imc_zone1_pwm_step" = "0x01" # Fan PWM stepping rate + register "imc_zone1_ramping" = "0x00" # Disable Fan PWM ramping and stepping + + # T56N has a Maximum operating temperature of 90C + # ZONEX_THRESHOLDS - _AC0 - _AC7, _CRT - Temp Threshold in degrees C + # ZONEX_FANSPEEDS - Fan speeds as a "percentage" + register "imc_zone0_thresholds" = "{ 87, 82, 77, 72, 65, 1, 0, 0, 90 }" + register "imc_zone0_fanspeeds" = "{100, 7, 5, 4, 3, 2, 0, 0 }" + register "imc_zone1_thresholds" = "{ 85, 80, 75, 65, 1, 0, 0, 0, 90 }" + register "imc_zone1_fanspeeds" = "{100, 10, 6, 4, 3, 0, 0, 0 }" + end #southbridge/amd/cimx/sb800 # end # device pci 18.0 # These seem unnecessary |