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Diffstat (limited to 'src/soc/intel/apollolake/acpi/gpiolib.asl')
-rw-r--r--src/soc/intel/apollolake/acpi/gpiolib.asl67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/acpi/gpiolib.asl b/src/soc/intel/apollolake/acpi/gpiolib.asl
new file mode 100644
index 0000000000..cec6d36722
--- /dev/null
+++ b/src/soc/intel/apollolake/acpi/gpiolib.asl
@@ -0,0 +1,67 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 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.
+ */
+
+Scope (\_SB)
+{
+ /* Get Pad Configuration DW0 register value */
+ Method (GPC0, 0x1, Serialized)
+ {
+ /* Arg0 - GPIO DW0 address */
+ Store (Arg0, Local0)
+ OperationRegion (PDW0, SystemMemory, Local0, 4)
+ Field (PDW0, AnyAcc, NoLock, Preserve) {
+ TEMP, 32
+ }
+ Return (TEMP)
+ }
+
+ /* Set Pad Configuration DW0 register value */
+ Method (SPC0, 0x2, Serialized)
+ {
+ /* Arg0 - GPIO DW0 address */
+ /* Arg1 - Value for DW0 register */
+ Store (Arg0, Local0)
+ OperationRegion (PDW0, SystemMemory, Local0, 4)
+ Field (PDW0, AnyAcc, NoLock, Preserve) {
+ TEMP,32
+ }
+ Store (Arg1, TEMP)
+ }
+
+ /* Get Pad Configuration DW1 register value */
+ Method (GPC1, 0x1, Serialized)
+ {
+ /* Arg0 - GPIO DW0 address */
+ Store (Add (Arg0, 0x4), Local0)
+ OperationRegion (PDW1, SystemMemory, Local0, 4)
+ Field (PDW1, AnyAcc, NoLock, Preserve) {
+ TEMP, 32
+ }
+ Return (TEMP)
+ }
+
+ /* Set Pad Configuration DW1 register value */
+ Method (SPC1, 0x2, Serialized)
+ {
+ /* Arg0 - GPIO DW0 address */
+ /* Arg1 - Value for DW1 register */
+ Store (Add (Arg0, 0x4), Local0)
+ OperationRegion (PDW1, SystemMemory, Local0, 4)
+ Field(PDW1, AnyAcc, NoLock, Preserve) {
+ TEMP,32
+ }
+ Store (Arg1, TEMP)
+ }
+}