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+/** @file
+*
+* Copyright (c) 2012-2014, ARM Limited. All rights reserved.
+*
+* This program and the accompanying materials
+* are licensed and made available under the terms and conditions of the BSD License
+* which accompanies this distribution. The full text of the license may be found at
+* http://opensource.org/licenses/bsd-license.php
+*
+* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+
+#ifndef __ARM_STD_SMC_H__
+#define __ARM_STD_SMC_H__
+
+/*
+ * SMC function IDs for Standard Service queries
+ */
+
+#define ARM_SMC_ID_STD_CALL_COUNT 0x8400ff00
+#define ARM_SMC_ID_STD_UID 0x8400ff01
+/* 0x8400ff02 is reserved */
+#define ARM_SMC_ID_STD_REVISION 0x8400ff03
+
+/*
+ * The 'Standard Service Call UID' is supposed to return the Standard
+ * Service UUID. This is a 128-bit value.
+ */
+#define ARM_SMC_STD_UUID0 0x108d905b
+#define ARM_SMC_STD_UUID1 0x47e8f863
+#define ARM_SMC_STD_UUID2 0xfbc02dae
+#define ARM_SMC_STD_UUID3 0xe2f64156
+
+/*
+ * ARM Standard Service Calls revision numbers
+ * The current revision is: 0.1
+ */
+#define ARM_SMC_STD_REVISION_MAJOR 0x0
+#define ARM_SMC_STD_REVISION_MINOR 0x1
+
+/*
+ * Power State Coordination Interface (PSCI) calls cover a subset of the
+ * Standard Service Call range.
+ * The list below is not exhaustive.
+ */
+#define ARM_SMC_ID_PSCI_VERSION 0x84000000
+#define ARM_SMC_ID_PSCI_CPU_SUSPEND_AARCH64 0xc4000001
+#define ARM_SMC_ID_PSCI_CPU_SUSPEND_AARCH32 0x84000001
+#define ARM_SMC_ID_PSCI_CPU_OFF 0x84000002
+#define ARM_SMC_ID_PSCI_CPU_ON_AARCH64 0xc4000003
+#define ARM_SMC_ID_PSCI_CPU_ON_AARCH32 0x84000003
+#define ARM_SMC_ID_PSCI_AFFINITY_INFO_AARCH64 0xc4000004
+#define ARM_SMC_ID_PSCI_AFFINITY_INFO_AARCH32 0x84000004
+#define ARM_SMC_ID_PSCI_MIGRATE_AARCH64 0xc4000005
+#define ARM_SMC_ID_PSCI_MIGRATE_AARCH32 0x84000005
+
+/* The current PSCI version is: 0.2 */
+#define ARM_SMC_PSCI_VERSION_MAJOR 0
+#define ARM_SMC_PSCI_VERSION_MINOR 2
+#define ARM_SMC_PSCI_VERSION \
+ ((ARM_SMC_PSCI_VERSION_MAJOR << 16) | ARM_SMC_PSCI_VERSION_MINOR)
+
+/* PSCI return error codes */
+#define ARM_SMC_PSCI_RET_SUCCESS 0
+#define ARM_SMC_PSCI_RET_NOT_SUPPORTED -1
+#define ARM_SMC_PSCI_RET_INVALID_PARAMS -2
+#define ARM_SMC_PSCI_RET_DENIED -3
+#define ARM_SMC_PSCI_RET_ALREADY_ON -4
+#define ARM_SMC_PSCI_RET_ON_PENDING -5
+#define ARM_SMC_PSCI_RET_INTERN_FAIL -6
+#define ARM_SMC_PSCI_RET_NOT_PRESENT -7
+#define ARM_SMC_PSCI_RET_DISABLED -8
+
+#define ARM_SMC_PSCI_TARGET_CPU32(Aff2, Aff1, Aff0) \
+ ((((Aff2) & 0xFF) << 16) | (((Aff1) & 0xFF) << 8) | ((Aff0) & 0xFF))
+
+#define ARM_SMC_PSCI_TARGET_CPU64(Aff3, Aff2, Aff1, Aff0) \
+ ((((Aff3) & 0xFFULL) << 32) | (((Aff2) & 0xFF) << 16) | (((Aff1) & 0xFF) << 8) | ((Aff0) & 0xFF))
+
+#define ARM_SMC_PSCI_TARGET_GET_AFF0(TargetId) ((TargetId) & 0xFF)
+#define ARM_SMC_PSCI_TARGET_GET_AFF1(TargetId) (((TargetId) >> 8) & 0xFF)
+
+#define ARM_SMC_ID_PSCI_AFFINITY_LEVEL_0 0
+#define ARM_SMC_ID_PSCI_AFFINITY_LEVEL_1 1
+#define ARM_SMC_ID_PSCI_AFFINITY_LEVEL_2 2
+#define ARM_SMC_ID_PSCI_AFFINITY_LEVEL_3 3
+
+#define ARM_SMC_ID_PSCI_AFFINITY_INFO_ON 0
+#define ARM_SMC_ID_PSCI_AFFINITY_INFO_OFF 1
+#define ARM_SMC_ID_PSCI_AFFINITY_INFO_ON_PENDING 2
+
+#endif