xref: /rk3399_ARM-atf/include/services/std_svc.h (revision 532ed6183868036e4a4f83cd7a71b93266a3bdb7)
1*532ed618SSoby Mathew /*
2*532ed618SSoby Mathew  * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
3*532ed618SSoby Mathew  *
4*532ed618SSoby Mathew  * Redistribution and use in source and binary forms, with or without
5*532ed618SSoby Mathew  * modification, are permitted provided that the following conditions are met:
6*532ed618SSoby Mathew  *
7*532ed618SSoby Mathew  * Redistributions of source code must retain the above copyright notice, this
8*532ed618SSoby Mathew  * list of conditions and the following disclaimer.
9*532ed618SSoby Mathew  *
10*532ed618SSoby Mathew  * Redistributions in binary form must reproduce the above copyright notice,
11*532ed618SSoby Mathew  * this list of conditions and the following disclaimer in the documentation
12*532ed618SSoby Mathew  * and/or other materials provided with the distribution.
13*532ed618SSoby Mathew  *
14*532ed618SSoby Mathew  * Neither the name of ARM nor the names of its contributors may be used
15*532ed618SSoby Mathew  * to endorse or promote products derived from this software without specific
16*532ed618SSoby Mathew  * prior written permission.
17*532ed618SSoby Mathew  *
18*532ed618SSoby Mathew  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19*532ed618SSoby Mathew  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20*532ed618SSoby Mathew  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21*532ed618SSoby Mathew  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22*532ed618SSoby Mathew  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23*532ed618SSoby Mathew  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24*532ed618SSoby Mathew  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25*532ed618SSoby Mathew  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26*532ed618SSoby Mathew  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27*532ed618SSoby Mathew  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28*532ed618SSoby Mathew  * POSSIBILITY OF SUCH DAMAGE.
29*532ed618SSoby Mathew  */
30*532ed618SSoby Mathew 
31*532ed618SSoby Mathew #ifndef __STD_SVC_H__
32*532ed618SSoby Mathew #define __STD_SVC_H__
33*532ed618SSoby Mathew 
34*532ed618SSoby Mathew /* SMC function IDs for Standard Service queries */
35*532ed618SSoby Mathew 
36*532ed618SSoby Mathew #define ARM_STD_SVC_CALL_COUNT		0x8400ff00
37*532ed618SSoby Mathew #define ARM_STD_SVC_UID			0x8400ff01
38*532ed618SSoby Mathew /*					0x8400ff02 is reserved */
39*532ed618SSoby Mathew #define ARM_STD_SVC_VERSION		0x8400ff03
40*532ed618SSoby Mathew 
41*532ed618SSoby Mathew /* ARM Standard Service Calls version numbers */
42*532ed618SSoby Mathew #define STD_SVC_VERSION_MAJOR		0x0
43*532ed618SSoby Mathew #define STD_SVC_VERSION_MINOR		0x1
44*532ed618SSoby Mathew 
45*532ed618SSoby Mathew /* The macros below are used to identify PSCI calls from the SMC function ID */
46*532ed618SSoby Mathew #define PSCI_FID_MASK			0xffe0u
47*532ed618SSoby Mathew #define PSCI_FID_VALUE			0u
48*532ed618SSoby Mathew #define is_psci_fid(_fid) \
49*532ed618SSoby Mathew 	(((_fid) & PSCI_FID_MASK) == PSCI_FID_VALUE)
50*532ed618SSoby Mathew 
51*532ed618SSoby Mathew #endif /* __STD_SVC_H__ */
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