1 /*
2  * \ingroup MODULMACROS
3  *
4  * \file ResetArm.c
5  *
6  * \brief <FILEBRIEF>
7  *
8  *
9  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
10  *
11  *
12  *  Redistribution and use in source and binary forms, with or without
13  *  modification, are permitted provided that the following conditions
14  *  are met:
15  *
16  *    Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  *
19  *    Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in the
21  *    documentation and/or other materials provided with the
22  *    distribution.
23  *
24  *    Neither the name of Texas Instruments Incorporated nor the names of
25  *    its contributors may be used to endorse or promote products derived
26  *    from this software without specific prior written permission.
27  *
28  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39  */
40 
41 #include "arch.h"
42 #include "edt.h"
43 #include "hal.h"
44 #include "stream.h"
45 #include "JTAG_defs.h"
46 #include "error_def.h"
47 
48 /**
49   Halt: Resets and Halts the Core
50 */
51 #if defined(MSP430_UIF) || defined(MSP_FET)
52 extern ARMConfigSettings armConfigSettings;
53 #endif
54 
HAL_FUNCTION(_hal_ResetArm)55 HAL_FUNCTION(_hal_ResetArm)
56 {
57 #if defined(MSP430_UIF) || defined(MSP_FET)
58     unsigned short resetType = 0;
59 
60     if(STREAM_get_word(&resetType) == -1)
61     {
62         return HALERR_UNDEFINED_ERROR;
63     }
64     unsigned long data = VECTKEY | (resetType ? SYSRESETREQ : VECTRESET);
65     if(IHIL_Write_Read_Mem_Ap(0, AIRCR, &data, WRITE) == -1)
66     {
67         return HALERR_UNDEFINED_ERROR;
68     }
69     if(IHIL_Write_Read_Mem_Ap(0, DHCSR, &data, READ) == -1)
70     {
71         return HALERR_UNDEFINED_ERROR;
72     }
73     if(resetType == 0)
74     {
75         if(((data & 0xFF000000) >> 24) != 0x2)
76         {
77             return HALERR_UNDEFINED_ERROR;
78         }
79     }
80 
81 #endif
82     return 0;
83 }
84