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/*
* 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.
*/
/* 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 Gate */
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 (Zero, Local0)
Store (Local0, ^D0D3)
Store (^D0D3, Local0)
}
Method (_PS3, 0, Serialized)
{
/* Enable Power Gate */
Store (1, ^PGEN)
/* Set Power State to D0 */
Store (3, Local0)
Store (Local0, ^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 Gate */
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 (Zero, Local0)
Store (Local0, ^D0D3)
Store (^D0D3, Local0)
}
Method (_PS3, 0, Serialized)
{
/* Enable Power Gate */
Store (1, ^PGEN)
/* Set Power State to D0 */
Store (3, Local0)
Store (Local0, ^D0D3)
Store (^D0D3, Local0)
}
Device (CARD)
{
Name (_ADR, 0x00000008)
Method (_RMV, 0, NotSerialized)
{
Return (1)
}
}
}
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