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developer65014b82015-04-13 14:47:57 +08001/*
2 * Copyright (c) 2015, 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#ifndef __PLAT_SIP_SVC_H__
31#define __PLAT_SIP_SVC_H__
32
33#include <stdint.h>
34
35/* SMC function IDs for SiP Service queries */
36#define SIP_SVC_CALL_COUNT 0x8200ff00
37#define SIP_SVC_UID 0x8200ff01
38/* 0x8200ff02 is reserved */
39#define SIP_SVC_VERSION 0x8200ff03
40
41/* Mediatek SiP Service Calls version numbers */
42#define MTK_SIP_SVC_VERSION_MAJOR 0x0
43#define MTK_SIP_SVC_VERSION_MINOR 0x1
44
45/* Number of Mediatek SiP Calls implemented */
46#define MTK_SIP_NUM_CALLS 1
47
48/* Mediatek SiP Service Calls function IDs */
49#define MTK_SIP_SET_AUTHORIZED_SECURE_REG 0x82000001
50
51/* Mediatek SiP Calls error code */
52enum {
53 MTK_SIP_E_SUCCESS = 0,
54 MTK_SIP_E_INVALID_PARAM = -1
55};
56
57/*
58 * This function should be implemented in Mediatek SOC directory. It fullfills
59 * MTK_SIP_SET_AUTHORIZED_SECURE_REG SiP call by checking the sreg with the
60 * predefined secure register list, if a match was found, set val to sreg.
61 *
62 * Return MTK_SIP_E_SUCCESS on success, and MTK_SIP_E_INVALID_PARAM on failure.
63 */
64uint64_t mt_sip_set_authorized_sreg(uint32_t sreg, uint32_t val);
65
66#endif /* __PLAT_SIP_SVC_H__ */