diff options
Diffstat (limited to 'src/mainboard/google/glados/devicetree.cb')
| -rw-r--r-- | src/mainboard/google/glados/devicetree.cb | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/src/mainboard/google/glados/devicetree.cb b/src/mainboard/google/glados/devicetree.cb index e57c4906ef..797865ddc8 100644 --- a/src/mainboard/google/glados/devicetree.cb +++ b/src/mainboard/google/glados/devicetree.cb @@ -65,6 +65,43 @@ chip soc/intel/skylake register "PortUsb30Enable[2]" = "1" # Type-A Port 1 register "PortUsb30Enable[3]" = "1" # Type-A Port 2 + # USB Per Port HS Preemphasis Bias + register "Usb2AfePetxiset" = "{ 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, \ + 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, \ + 0x07, 0x07, 0x07, 0x07 }" + + # USB Per Port HS Transmitter Bias + register "Usb2AfeTxiset" = "{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00 }" + + # USB Per Port HS Transmitter Emphasis + register "Usb2AfePredeemp" = "{ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, \ + 0x02, 0x02, 0x02, 0x02, 0x03, 0x03, \ + 0x03, 0x03, 0x03, 0x03 }" + + # USB Per Port Half Bit Pre-emphasis + register "Usb2AfePehalfbit" = "{ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, \ + 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00 }" + + # Enable the write to USB 3.0 TX Output -3.5dB De-Emphasis Adjustment + register "Usb3HsioTxDeEmphEnable" = "{ 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00 }" + + # USB 3.0 TX Output -3.5dB De-Emphasis Adjustment Setting + register "Usb3HsioTxDeEmph" = "{ 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00 }" + + # Enable the write to USB 3.0 TX Output Downscale Amplitude Adjustment + register "Usb3HsioTxDownscaleAmpEnable" = "{ 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00 }" + + # USB 3.0 TX Output Downscale Amplitude Adjustment + register "Usb3HsioTxDownscaleAmp" = "{ 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00 }" + # Must leave UART0 enabled or SD/eMMC will not work as PCI register "SerialIoDevMode" = "{ \ [PchSerialIoIndexI2C0] = PchSerialIoPci, \ @@ -77,7 +114,7 @@ chip soc/intel/skylake [PchSerialIoIndexSpi1] = PchSerialIoDisabled, \ [PchSerialIoIndexUart0] = PchSerialIoPci, \ [PchSerialIoIndexUart1] = PchSerialIoDisabled, \ - [PchSerialIoIndexUart2] = PchSerialIoPci, \ + [PchSerialIoIndexUart2] = PchSerialIoSkipInit, \ }" device cpu_cluster 0 on |