skylake: ACPI: Move storage controllers to separate file

Move the storage controller devices out of serialio.asl
and into a new scs.asl file and implement the power
gating workarounds for D0 and D3 transitions.

BUG=chrome-os-partner:44622
BRANCH=none
TEST=emerge-glados coreboot

Change-Id: I43081e661b7220bfa635c2d166c3675a0ff910d6
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: e0c67b386974dedf7ad475c174c0bc75dc27e529
Original-Change-Id: Iadb395f152905f210ab0361121bbd69c9731c084
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/295908
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11535
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Duncan Laurie 2015-08-27 16:53:45 -07:00 committed by Patrick Georgi
parent 9171f1ab8d
commit 86f23acee5
3 changed files with 127 additions and 29 deletions

View File

@ -46,6 +46,8 @@
/* SMBus 0:1f.3 */
#include "smbus.asl"
/* Storage Controllers */
#include "scs.asl"
/* USB XHCI 0:14.0 */
#include "xhci.asl"

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@ -0,0 +1,125 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Google Inc.
* Copyright (C) 2015 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
/* Intel Storage Controllers */
Device (EMMC)
{
Name (_ADR, 0x001E0004)
Name (_DDN, "eMMC Controller")
OperationRegion (EMCR, PCI_Config, 0x00, 0x100)
Field (EMCR, DWordAcc, NoLock, Preserve)
{
Offset (0x84), /* PMECTRLSTATUS */
D0D3, 2, /* POWERSTATE */
Offset (0xa2), /* PG_CONFIG */
, 2,
PGEN, 1, /* PG_ENABLE */
}
Method (_PS0, 0, Serialized)
{
/* Disable Power Good */
Store (0, ^PGEN)
/* Clear bits 31, 6, 2, 0 */
^^PCRA (PID_SCS, 0x600, 0x7FFFFFBA)
Sleep (2)
/* Set bits 31, 6, 2, 0 */
^^PCRO (PID_SCS, 0x600, 0x80000045)
/* Set Power State to D0 */
Store (0, ^D0D3)
Store (^D0D3, Local0)
}
Method (_PS3, 0, Serialized)
{
/* Enable Power Good */
Store (1, ^PGEN)
/* Set Power State to D0 */
Store (3, ^D0D3)
Store (^D0D3, Local0)
}
Device (CARD)
{
Name (_ADR, 0x00000008)
Method (_RMV, 0, NotSerialized)
{
Return (0)
}
}
}
Device (SDXC)
{
Name (_ADR, 0x001E0006)
Name (_DDN, "SD Controller")
OperationRegion (SDCR, PCI_Config, 0x00, 0x100)
Field (SDCR, DWordAcc, NoLock, Preserve)
{
Offset (0x84), /* PMECTRLSTATUS */
D0D3, 2, /* POWERSTATE */
Offset (0xa2), /* PG_CONFIG */
, 2,
PGEN, 1, /* PG_ENABLE */
}
Method (_PS0, 0, Serialized)
{
/* Disable Power Good */
Store (0, ^PGEN)
/* Clear bits 8, 7, 2, 0 */
^^PCRA (PID_SCS, 0x600, 0xFFFFFE7A)
Sleep (2)
/* Set bits 31, 6, 2, 0 */
^^PCRO (PID_SCS, 0x600, 0x00000185)
/* Set Power State to D0 */
Store (0, ^D0D3)
Store (^D0D3, Local0)
}
Method (_PS3, 0, Serialized)
{
/* Enable Power Good */
Store (1, ^PGEN)
/* Set Power State to D0 */
Store (3, ^D0D3)
Store (^D0D3, Local0)
}
Device (CARD)
{
Name (_ADR, 0x00000008)
Method (_RMV, 0, NotSerialized)
{
Return (1)
}
}
}

View File

@ -618,32 +618,3 @@ Device (UAR2)
^^LPD3 (\SAB1, \SAEN)
}
}
Device (PEMC)
{
Name (_ADR, 0x001E0004)
Device (CARD)
{
Name (_ADR, 0x00000008)
Method (_RMV, 0x0, NotSerialized)
{
Return (0)
}
}
}
/* SD controller */
Device (PSDC)
{
Name (_ADR, 0x001E0006)
Device (CARD)
{
Name (_ADR, 0x00000008)
Method (_RMV, 0x0, NotSerialized)
{
Return (1)
}
}
}