1 /*
2  * Copyright (C) 2016 Freescale Semiconductor, Inc.
3  * Copyright 2017 NXP
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright notice,
10  * this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <compiler.h>
30 #include <platform/tzasc.h>
31 
initial_tzasc(const tzasc_region_t * r,uint num)32 void initial_tzasc(const tzasc_region_t* r, uint num) {
33     /*
34      * ACTION field 0x2 means
35      * sets tzasc_int HIGH and issues an OKAY response
36      */
37     TZ_REG(TZ_ACTION) = 0x2;
38 
39     // From number 0 region to config.
40     for (uint i = 0; i < num; i++, r++) {
41         TZ_REG(TZ_GET_REGION_ADDR(i)) = r->addr_l;
42         TZ_REG(TZ_GET_REGION_ADDR(i) + 0x4) = r->addr_h;
43         TZ_REG(TZ_GET_REGION_ADDR(i) + 0x8) = r->attr;
44     }
45 
46     TZ_REG(TZ_INT_CLEAR) = 0;
47 }
48