From a0eeba47a16e5339f02a02ae85418bd9699975a4 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Wed, 8 Jan 2014 15:20:59 -0800 Subject: google/panther: Disable DEVSLP for SATA Some SSD modules don't support DEVSLP correctly due to their firmware. Since the power savings are minimal, don't use DEVSLP to prevent potential problems. Some of the symptoms are that sometimes this causes USB devices to not work properly. BUG=chrome-os-partner:23186, BRANCH=panther TEST=Boot tested on Panther Change-Id: Iba3f721c73e0e760b6a9861ca23480ddb923df40 Signed-off-by: Stefan Reinauer Signed-off-by: Stefan Reinauer Reviewed-on: https://chromium-review.googlesource.com/181957 Reviewed-by: Duncan Laurie Reviewed-on: http://review.coreboot.org/5999 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/mainboard/google/panther/devicetree.cb | 1 + 1 file changed, 1 insertion(+) (limited to 'src/mainboard/google') diff --git a/src/mainboard/google/panther/devicetree.cb b/src/mainboard/google/panther/devicetree.cb index f461c589e2..9fbe8e62b3 100644 --- a/src/mainboard/google/panther/devicetree.cb +++ b/src/mainboard/google/panther/devicetree.cb @@ -55,6 +55,7 @@ chip northbridge/intel/haswell register "ide_legacy_combined" = "0x0" register "sata_ahci" = "0x1" register "sata_port_map" = "0x1" + register "sata_devslp_disable" = "0x1" register "sio_acpi_mode" = "0" register "sio_i2c0_voltage" = "0" # 3.3V -- cgit v1.2.3