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Yatharth Kochar71c9a5e2015-10-10 19:06:53 +01001/*
2 * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3 *
dp-armfa3cf0b2017-05-03 09:38:09 +01004 * SPDX-License-Identifier: BSD-3-Clause
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +01005 */
6
7#ifndef __BL1_FWU_H__
8#define __BL1_FWU_H__
9
10#include <bl_common.h>
11
12/*
13 * Defines for BL1 SMC function ids.
14 */
15#define BL1_SMC_CALL_COUNT 0x0
16#define BL1_SMC_UID 0x1
17/* SMC #0x2 reserved */
18#define BL1_SMC_VERSION 0x3
19
20/*
21 * Corresponds to the function ID of the SMC that
22 * the BL1 exception handler service to execute BL31.
23 */
24#define BL1_SMC_RUN_IMAGE 0x4
25
26/*
27 * BL1 SMC version
28 */
29#define BL1_SMC_MAJOR_VER 0x0
30#define BL1_SMC_MINOR_VER 0x1
31
32/*
33 * Defines for FWU SMC function ids.
34 */
35
36#define FWU_SMC_IMAGE_COPY 0x10
37#define FWU_SMC_IMAGE_AUTH 0x11
38#define FWU_SMC_IMAGE_EXECUTE 0x12
39#define FWU_SMC_IMAGE_RESUME 0x13
40#define FWU_SMC_SEC_IMAGE_DONE 0x14
41#define FWU_SMC_UPDATE_DONE 0x15
Antonio Nino Diaz0e8e7202017-05-12 16:51:59 +010042#define FWU_SMC_IMAGE_RESET 0x16
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +010043
44/*
45 * Number of FWU calls (above) implemented
46 */
Antonio Nino Diaz0e8e7202017-05-12 16:51:59 +010047#define FWU_NUM_SMC_CALLS 7
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +010048
49#if TRUSTED_BOARD_BOOT
50# define BL1_NUM_SMC_CALLS (FWU_NUM_SMC_CALLS + 4)
51#else
52# define BL1_NUM_SMC_CALLS 4
53#endif
54
55/*
56 * The macros below are used to identify FWU
57 * calls from the SMC function ID
58 */
59#define FWU_SMC_FID_START FWU_SMC_IMAGE_COPY
Antonio Nino Diaz0e8e7202017-05-12 16:51:59 +010060#define FWU_SMC_FID_END FWU_SMC_IMAGE_RESET
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +010061#define is_fwu_fid(_fid) \
62 ((_fid >= FWU_SMC_FID_START) && (_fid <= FWU_SMC_FID_END))
63
64#ifndef __ASSEMBLY__
65#include <cassert.h>
66
67/*
68 * Check if the total number of FWU SMC calls are as expected.
69 */
70CASSERT(FWU_NUM_SMC_CALLS == \
71 (FWU_SMC_FID_END - FWU_SMC_FID_START + 1),\
72 assert_FWU_NUM_SMC_CALLS_mismatch);
73
74#endif /* __ASSEMBLY__ */
75#endif /* __BL1_FWU_H__ */