1 /*
2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * o Redistributions of source code must retain the above copyright notice, this list
9 * of conditions and the following disclaimer.
10 *
11 * o Redistributions in binary form must reproduce the above copyright notice, this
12 * list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "rdc.h"
32
33 /*******************************************************************************
34 * Code
35 ******************************************************************************/
36
37 /*FUNCTION**********************************************************************
38 *
39 * Function Name : RDC_SetMrAccess
40 * Description : Set RDC memory region access permission for RDC domains
41 *
42 *END**************************************************************************/
RDC_SetMrAccess(RDC_Type * base,uint32_t mr,uint32_t startAddr,uint32_t endAddr,uint8_t perm,bool enable,bool lock)43 void RDC_SetMrAccess(RDC_Type * base, uint32_t mr, uint32_t startAddr, uint32_t endAddr,
44 uint8_t perm, bool enable, bool lock)
45 {
46 base->MR[mr].MRSA = startAddr;
47 base->MR[mr].MREA = endAddr;
48 base->MR[mr].MRC = perm | (enable ? RDC_MRC_ENA_MASK : 0) | (lock ? RDC_MRC_LCK_MASK : 0);
49 }
50
51 /*FUNCTION**********************************************************************
52 *
53 * Function Name : RDC_GetMrAccess
54 * Description : Get RDC memory region access permission for RDC domains
55 *
56 *END**************************************************************************/
RDC_GetMrAccess(RDC_Type * base,uint32_t mr,uint32_t * startAddr,uint32_t * endAddr)57 uint8_t RDC_GetMrAccess(RDC_Type * base, uint32_t mr, uint32_t *startAddr, uint32_t *endAddr)
58 {
59 if (startAddr)
60 *startAddr = base->MR[mr].MRSA;
61 if (endAddr)
62 *endAddr = base->MR[mr].MREA;
63
64 return base->MR[mr].MRC & 0xFF;
65 }
66
67 /*FUNCTION**********************************************************************
68 *
69 * Function Name : RDC_GetViolationStatus
70 * Description : Get RDC memory violation status
71 *
72 *END**************************************************************************/
RDC_GetViolationStatus(RDC_Type * base,uint32_t mr,uint32_t * violationAddr,uint32_t * violationDomain)73 bool RDC_GetViolationStatus(RDC_Type * base, uint32_t mr, uint32_t *violationAddr, uint32_t *violationDomain)
74 {
75 uint32_t mrvs;
76
77 mrvs = base->MR[mr].MRVS;
78
79 if (violationAddr)
80 *violationAddr = mrvs & RDC_MRVS_VADR_MASK;
81 if (violationDomain)
82 *violationDomain = (mrvs & RDC_MRVS_VDID_MASK) >> RDC_MRVS_VDID_SHIFT;
83
84 return (bool)(mrvs & RDC_MRVS_AD_MASK);
85 }
86
87 /*******************************************************************************
88 * EOF
89 ******************************************************************************/
90
