aboutsummaryrefslogtreecommitdiff
path: root/board/Marvell/common/ecctest.c
blob: e22b1136a261ff7adca6c7b5cabd356c4a08b9bb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * (C) Copyright 2001
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifdef ECC_TEST
static inline void ecc_off (void)
{
	*(volatile int *) (INTERNAL_REG_BASE_ADDR + 0x4b4) &= ~0x00200000;
}

static inline void ecc_on (void)
{
	*(volatile int *) (INTERNAL_REG_BASE_ADDR + 0x4b4) |= 0x00200000;
}

static int putshex (const char *buf, int len)
{
	int i;

	for (i = 0; i < len; i++) {
		printf ("%02x", buf[i]);
	}
	return 0;
}

static int char_memcpy (void *d, const void *s, int len)
{
	int i;
	char *cd = d;
	const char *cs = s;

	for (i = 0; i < len; i++) {
		*(cd++) = *(cs++);
	}
	return 0;
}

static int memory_test (char *buf)
{
	const char src[][16] = {
		{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
		{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
		 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
		{0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
		 0x02, 0x02, 0x02, 0x02, 0x02, 0x02},
		{0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
		 0x04, 0x04, 0x04, 0x04, 0x04, 0x04},
		{0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
		 0x08, 0x08, 0x08, 0x08, 0x08, 0x08},
		{0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
		 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
		{0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
		 0x20, 0x20, 0x20, 0x20, 0x20, 0x20},
		{0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,
		 0x40, 0x40, 0x40, 0x40, 0x40, 0x40},
		{0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
		 0x80, 0x80, 0x80, 0x80, 0x80, 0x80},
		{0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
		 0x55, 0x55, 0x55, 0x55, 0x55, 0x55},
		{0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
		 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa},
		{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
		 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
	};
	const int foo[] = { 0 };
	int i, j, a;

	printf ("\ntest @ %d %p\n", foo[0], buf);
	for (i = 0; i < 12; i++) {
		for (a = 0; a < 8; a++) {
			const char *s = src[i] + a;
			int align = (unsigned) (s) & 0x7;

			/* ecc_off(); */
			memcpy (buf, s, 8);
			/* ecc_on(); */
			putshex (s, 8);
			if (memcmp (buf, s, 8)) {
				putc ('\n');
				putshex (buf, 8);
				printf (" [FAIL] (%p) align=%d\n", s, align);
				for (j = 0; j < 8; j++) {
					s[j] == buf[j] ? puts ("  ") :
						printf ("%02x",
							(s[j]) ^ (buf[j]));
				}
				putc ('\n');
			} else {
				printf (" [PASS] (%p) align=%d\n", s, align);
			}
			/* ecc_off(); */
			char_memcpy (buf, s, 8);
			/* ecc_on(); */
			putshex (s, 8);
			if (memcmp (buf, s, 8)) {
				putc ('\n');
				putshex (buf, 8);
				printf (" [FAIL] (%p) align=%d\n", s, align);
				for (j = 0; j < 8; j++) {
					s[j] == buf[j] ? puts ("  ") :
						printf ("%02x",
							(s[j]) ^ (buf[j]));
				}
				putc ('\n');
			} else {
				printf (" [PASS] (%p) align=%d\n", s, align);
			}
		}
	}

	return 0;
}
#endif