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google/lulu: enable SATA device to sleep in S0 

sata_devslp_disable was set to work around some buggy SSD
firmware, but as it's disabled by default in both Linux and
Windows, no reason to disable at the firmware level when
many properly-functioning SSDs can take advantage of power
savings.

Change-Id: Ib15f8b51db19b3d9d2e135f85c71a15a45a2ffbd
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/19957
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Matt DeVillier 2017-04-11 15:14:20 -05:00 committed by Martin Roth
parent e7cb29493d
commit 1a5c6201da
1 changed files with 0 additions and 1 deletions
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src/mainboard/google/auron/variants/lulu/devicetree.cb
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@ -43,7 +43,6 @@ chip soc/intel/broadwell
register "gpe0_en_4" = "0x00000000" register "gpe0_en_4" = "0x00000000"
register "sata_port_map" = "0x1" register "sata_port_map" = "0x1"
register "sata_devslp_disable" = "1"
register "sio_acpi_mode" = "1" register "sio_acpi_mode" = "1"