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1 /*
2  * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 #ifndef IMX_CSU_H
7 #define IMX_CSU_H
8 
9 #include <arch.h>
10 
11 /*
12  * Security Reference Manual for i.MX 7Dual and 7Solo Applications Processors,
13  * Rev. 0, 03/2017 Section 3.3.1
14  *
15  * Config secure level register (CSU_CSLn)
16  */
17 #define CSU_CSL_LOCK_S1		BIT(24)
18 #define CSU_CSL_NSW_S1		BIT(23)
19 #define CSU_CSL_NUW_S1		BIT(22)
20 #define CSU_CSL_SSW_S1		BIT(21)
21 #define CSU_CSL_SUW_S1		BIT(20)
22 #define CSU_CSL_NSR_S1		BIT(19)
23 #define CSU_CSL_NUR_S1		BIT(18)
24 #define CSU_CSL_SSR_S1		BIT(17)
25 #define CSU_CSL_SUR_S1		BIT(16)
26 #define CSU_CSL_LOCK_S2		BIT(8)
27 #define CSU_CSL_NSW_S2		BIT(7)
28 #define CSU_CSL_NUW_S2		BIT(6)
29 #define CSU_CSL_SSW_S2		BIT(5)
30 #define CSU_CSL_SUW_S2		BIT(4)
31 #define CSU_CSL_NSR_S2		BIT(3)
32 #define CSU_CSL_NUR_S2		BIT(2)
33 #define CSU_CSL_SSR_S2		BIT(1)
34 #define CSU_CSL_SUR_S2		BIT(0)
35 
36 #define CSU_CSL_OPEN_ACCESS  (CSU_CSL_NSW_S1 | CSU_CSL_NUW_S1 | CSU_CSL_SSW_S1 |\
37 			      CSU_CSL_SUW_S1 | CSU_CSL_NSR_S1 | CSU_CSL_NUR_S1 |\
38 			      CSU_CSL_SSR_S1 | CSU_CSL_SUR_S1 | CSU_CSL_NSW_S2 |\
39 			      CSU_CSL_NUW_S2 | CSU_CSL_SSW_S2 | CSU_CSL_SUW_S2 |\
40 			      CSU_CSL_NSR_S2 | CSU_CSL_NUR_S2 | CSU_CSL_SSR_S2 |\
41 			      CSU_CSL_SUR_S2)
42 void imx_csu_init(void);
43 
44 #endif /* IMX_CSU_H */
45