1 |
202 |
olivier.gi |
/*===========================================================================*/
|
2 |
|
|
/* Copyright (C) 2001 Authors */
|
3 |
|
|
/* */
|
4 |
|
|
/* This source file may be used and distributed without restriction provided */
|
5 |
|
|
/* that this copyright statement is not removed from the file and that any */
|
6 |
|
|
/* derivative work contains the original copyright notice and the associated */
|
7 |
|
|
/* disclaimer. */
|
8 |
|
|
/* */
|
9 |
|
|
/* This source file is free software; you can redistribute it and/or modify */
|
10 |
|
|
/* it under the terms of the GNU Lesser General Public License as published */
|
11 |
|
|
/* by the Free Software Foundation; either version 2.1 of the License, or */
|
12 |
|
|
/* (at your option) any later version. */
|
13 |
|
|
/* */
|
14 |
|
|
/* This source is distributed in the hope that it will be useful, but WITHOUT*/
|
15 |
|
|
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
|
16 |
|
|
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
|
17 |
|
|
/* License for more details. */
|
18 |
|
|
/* */
|
19 |
|
|
/* You should have received a copy of the GNU Lesser General Public License */
|
20 |
|
|
/* along with this source; if not, write to the Free Software Foundation, */
|
21 |
|
|
/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
|
22 |
|
|
/* */
|
23 |
|
|
/*===========================================================================*/
|
24 |
|
|
/* DMA INTERFACE */
|
25 |
|
|
/*---------------------------------------------------------------------------*/
|
26 |
|
|
/* Test the DMA interface: */
|
27 |
|
|
/* - Check Transfer response. */
|
28 |
|
|
/* */
|
29 |
|
|
/* */
|
30 |
|
|
/* Author(s): */
|
31 |
|
|
/* - Olivier Girard, olgirard@gmail.com */
|
32 |
|
|
/* */
|
33 |
|
|
/*---------------------------------------------------------------------------*/
|
34 |
|
|
/* $Rev$ */
|
35 |
|
|
/* $LastChangedBy$ */
|
36 |
|
|
/* $LastChangedDate$ */
|
37 |
|
|
/*===========================================================================*/
|
38 |
|
|
|
39 |
|
|
.include "pmem_defs.asm"
|
40 |
|
|
|
41 |
|
|
.global main
|
42 |
|
|
|
43 |
|
|
/* ---------------------- SOME VARIABLES IN ROM --------------- */
|
44 |
|
|
diverse_data:
|
45 |
|
|
.word 0x0000 ; set to 1 in order to end test
|
46 |
|
|
.word 0x0001 ; increment value
|
47 |
|
|
|
48 |
|
|
/* ---------------------- MAIN --------------- */
|
49 |
|
|
main:
|
50 |
|
|
;; Disable watchdog
|
51 |
|
|
mov #0x5A80, &WDTCTL
|
52 |
|
|
|
53 |
|
|
;; Initialize variables
|
54 |
|
|
mov #0x0000, &DMEM_200
|
55 |
|
|
mov #0x0000, r10
|
56 |
|
|
mov #0x0001, r11
|
57 |
|
|
mov #0x1000, r15
|
58 |
|
|
|
59 |
|
|
loop:
|
60 |
|
|
add r11, r10
|
61 |
|
|
add &(PMEM_BASE+0x0002), &DMEM_200
|
62 |
|
|
tst &(PMEM_BASE+0x0000)
|
63 |
|
|
jz loop
|
64 |
|
|
|
65 |
|
|
mov #0x2000, r15
|
66 |
|
|
|
67 |
|
|
|
68 |
|
|
/* ---------------------- END OF TEST --------------- */
|
69 |
|
|
end_of_test:
|
70 |
|
|
nop
|
71 |
|
|
br #0xffff
|
72 |
|
|
|
73 |
|
|
/* ---------------------- INTERRUPT VECTORS --------------- */
|
74 |
|
|
|
75 |
|
|
.section .vectors, "a"
|
76 |
|
|
.word end_of_test ; Interrupt 0 (lowest priority)
|
77 |
|
|
.word end_of_test ; Interrupt 1
|
78 |
|
|
.word end_of_test ; Interrupt 2
|
79 |
|
|
.word end_of_test ; Interrupt 3
|
80 |
|
|
.word end_of_test ; Interrupt 4
|
81 |
|
|
.word end_of_test ; Interrupt 5
|
82 |
|
|
.word end_of_test ; Interrupt 6
|
83 |
|
|
.word end_of_test ; Interrupt 7
|
84 |
|
|
.word end_of_test ; Interrupt 8
|
85 |
|
|
.word end_of_test ; Interrupt 9
|
86 |
|
|
.word end_of_test ; Interrupt 10 Watchdog timer
|
87 |
|
|
.word end_of_test ; Interrupt 11
|
88 |
|
|
.word end_of_test ; Interrupt 12
|
89 |
|
|
.word end_of_test ; Interrupt 13
|
90 |
|
|
.word end_of_test ; Interrupt 14 NMI
|
91 |
|
|
.word main ; Interrupt 15 (highest priority) RESET
|