1 /*
2 * \ingroup MODULMACROS
3 *
4 * \file ScanAPArm.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 ScanAP: Scan access port and provide back nil terminated list
50 */
51 #if defined(MSP430_UIF) || defined(MSP_FET)
52 extern unsigned long cswValues[4];
53 #endif
54
HAL_FUNCTION(_hal_ScanApArm)55 HAL_FUNCTION(_hal_ScanApArm)
56 {
57 #if defined(MSP430_UIF) || defined(MSP_FET)
58 unsigned long val = 0;
59 unsigned long apsel = 0;
60
61 // Set system and debug power up if cleared
62 if( powerUpArm() != 0)
63 {
64 return HALERR_UNDEFINED_ERROR;
65 }
66
67 IHIL_Write_Read_Ap(AP_IDR | apsel, &val, READ);
68 if(val)
69 {
70 STREAM_put_long(val); // IDR value
71
72 IHIL_Write_Read_Ap(AP_BASE | apsel, &val, READ);
73 STREAM_put_long(val); // BASE value
74
75 IHIL_Write_Read_Ap(AP_CFG | apsel, &val, READ);
76 STREAM_put_long(val); // CFG value
77
78 STREAM_put_byte(apsel >> 24); // Port number
79
80 // Read and save CSW value
81 IHIL_Write_Read_Ap(AP_CSW | apsel, &val, READ);
82 cswValues[(apsel >> 24) & 0x3] = val & ~(AP_CSW_SIZE_MASK | AP_CSW_ADDRINC_MASK);
83 }
84 STREAM_put_long(val);
85 #endif
86 return 0;
87 }
88