1 files changed, 125 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/acpi/scs.asl b/src/soc/intel/skylake/acpi/scs.asl
new file mode 100644
index 0000000000..4eb9683c7d
--- /dev/null
+++ b/src/soc/intel/skylake/acpi/scs.asl
@@ -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)
+		}
+	}
+}