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Jeenu Viswambharan1814a3e2014-02-28 10:08:33 +00001/*
2 * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef __STD_SVC_H__
32#define __STD_SVC_H__
33
34/* SMC function IDs for Standard Service queries */
35
36#define ARM_STD_SVC_CALL_COUNT 0x8400ff00
37#define ARM_STD_SVC_UID 0x8400ff01
38/* 0x8400ff02 is reserved */
39#define ARM_STD_SVC_VERSION 0x8400ff03
40
41/* ARM Standard Service Calls version numbers */
42#define STD_SVC_VERSION_MAJOR 0x0
43#define STD_SVC_VERSION_MINOR 0x1
44
45/* The macros below are used to identify PSCI calls from the SMC function ID */
46#define PSCI_FID_MASK 0xffe0u
47#define PSCI_FID_VALUE 0u
48#define is_psci_fid(_fid) \
49 (((_fid) & PSCI_FID_MASK) == PSCI_FID_VALUE)
50
51#endif /* __STD_SVC_H__ */