diff options
| author | Sean Rhodes <sean@starlabs.systems> | 2021-12-20 21:35:05 +0000 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-01-04 11:53:07 +0000 |
| commit | 51ab5e454d32c24d54e5ac2e5d23dd308fa953e5 (patch) | |
| tree | 42bab327c18825a505bab3d20ec7991372565f2f /src/mainboard/starlabs | |
| parent | 58f6a5d7445c0215358b429a0a3b8a8f18097e46 (diff) | |
mb/starlabs/labtop: Enable I2C4
Enable unused I2C4 PCI device (00:19.0) so that UART2 (00:19.2) can be
enumerated properly, using `PchSerialIoSkipInit` to prevent FSP-S from
configuring anything regarding I2C4 (e.g. GPIOs).
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I9c2c4f67672ba5667ebdae9ecc01054449dd3dfd
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60264
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Andy Pont <andy.pont@sdcsystems.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/mainboard/starlabs')
| -rw-r--r-- | src/mainboard/starlabs/labtop/variants/tgl/devicetree.cb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mainboard/starlabs/labtop/variants/tgl/devicetree.cb b/src/mainboard/starlabs/labtop/variants/tgl/devicetree.cb index 35c201080b..2e001c6481 100644 --- a/src/mainboard/starlabs/labtop/variants/tgl/devicetree.cb +++ b/src/mainboard/starlabs/labtop/variants/tgl/devicetree.cb @@ -28,6 +28,7 @@ chip soc/intel/tigerlake # Serial I/O register "SerialIoI2cMode" = "{ [PchSerialIoIndexI2C0] = PchSerialIoPci, + [PchSerialIoIndexI2C4] = PchSerialIoSkipInit, }" register "SerialIoUartMode" = "{ @@ -165,7 +166,7 @@ chip soc/intel/tigerlake register "SataPortsEnable[1]" = "1" register "SataPortsDevSlp[1]" = "1" end - device pci 19.0 off end # I2C4 + device pci 19.0 on end # I2C4 device pci 19.1 off end # I2C5 device pci 19.2 on end # UART #2 device pci 1c.0 off end # PCI Express Port 1 |