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mb/system76/lemp9: enable SATA ALPM capability 

Enable SATA Link Power Management capability to be able to save power.

TEST: /sys/class/scsi_host/host*/link_power_management_policy exists.

Change-Id: I88de28cfb266af3fcd6e498a08a24b46c992cb9d
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45492
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Michael Niewöhner 2020-09-18 00:05:00 +02:00
parent c9ebf8d501
commit 8b5cd49b5a
1 changed files with 1 additions and 1 deletions
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src/mainboard/system76/lemp9/devicetree.cb
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@ -126,7 +126,7 @@ chip soc/intel/cannonlake
device pci 16.5 off end # Management Engine Interface 4
device pci 17.0 on # SATA
register "SataMode" = "Sata_AHCI"
register "SataSalpSupport" = "0"
register "SataSalpSupport" = "1"
# Port 2 (J_SSD2)
register "SataPortsEnable[1]" = "1"
register "SataPortsDevSlp[1]" = "1"