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mb/google/dedede: Add initial configuration for serial IO ports 

Add initial configuration for GSPI, I2C and UART ports and leave them in
disabled state.

BUG=None
TEST=Build the mainboard.

Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I1cd7659337e6330a8ece34df247e399a085d21d0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38775
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
This commit is contained in:
Karthikeyan Ramasubramanian 2020-02-07 16:45:26 -07:00 committed by Patrick Georgi
parent 441867d2f0
commit c015bcc304
1 changed files with 33 additions and 0 deletions
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33
src/mainboard/google/dedede/variants/baseboard/devicetree.cb
View File

@ -19,6 +19,39 @@ chip soc/intel/tigerlake
register "pmc_gpe0_dw1" = "GPP_D"
register "pmc_gpe0_dw2" = "GPP_H"
register "SerialIoI2cMode" = "{
[PchSerialIoIndexI2C0] = PchSerialIoDisabled,
[PchSerialIoIndexI2C1] = PchSerialIoDisabled,
[PchSerialIoIndexI2C2] = PchSerialIoDisabled,
[PchSerialIoIndexI2C3] = PchSerialIoDisabled,
[PchSerialIoIndexI2C4] = PchSerialIoDisabled,
[PchSerialIoIndexI2C5] = PchSerialIoDisabled,
}"
register "SerialIoGSpiMode" = "{
[PchSerialIoIndexGSPI0] = PchSerialIoDisabled,
[PchSerialIoIndexGSPI1] = PchSerialIoDisabled,
[PchSerialIoIndexGSPI2] = PchSerialIoDisabled,
}"
register "SerialIoGSpiCsMode" = "{
[PchSerialIoIndexGSPI0] = 0,
[PchSerialIoIndexGSPI1] = 0,
[PchSerialIoIndexGSPI2] = 0,
}"
register "SerialIoGSpiCsState" = "{
[PchSerialIoIndexGSPI0] = 0,
[PchSerialIoIndexGSPI1] = 0,
[PchSerialIoIndexGSPI2] = 0,
}"
register "SerialIoUartMode" = "{
[PchSerialIoIndexUART0] = PchSerialIoDisabled,
[PchSerialIoIndexUART1] = PchSerialIoDisabled,
[PchSerialIoIndexUART2] = PchSerialIoDisabled,
}"
device domain 0 on
device pci 00.0 off end # Host Bridge
device pci 02.0 off end # Integrated Graphics Device