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07c04875 WD |
1 | /* |
2 | * (C) Copyright 2002 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | ||
26 | /* Cache test | |
27 | * | |
28 | * This test verifies the CPU data and instruction cache using | |
29 | * several test scenarios. | |
30 | */ | |
31 | ||
32 | #ifdef CONFIG_POST | |
33 | ||
34 | #include <post.h> | |
35 | #include <watchdog.h> | |
36 | ||
37 | #if CONFIG_POST & CFG_POST_CACHE | |
38 | ||
39 | #define CACHE_POST_SIZE 1024 | |
40 | ||
41 | extern int cache_post_test1 (char *, unsigned int); | |
42 | extern int cache_post_test2 (char *, unsigned int); | |
43 | extern int cache_post_test3 (char *, unsigned int); | |
44 | extern int cache_post_test4 (char *, unsigned int); | |
45 | extern int cache_post_test5 (void); | |
46 | extern int cache_post_test6 (void); | |
47 | ||
48 | int cache_post_test (int flags) | |
49 | { | |
50 | int ints = disable_interrupts (); | |
51 | int res = 0; | |
52 | static char ta[CACHE_POST_SIZE + 0xf]; | |
53 | char *testarea = (char *) (((unsigned long) ta + 0xf) & ~0xf); | |
54 | ||
55 | WATCHDOG_RESET (); | |
56 | if (res == 0) | |
57 | res = cache_post_test1 (testarea, CACHE_POST_SIZE); | |
58 | WATCHDOG_RESET (); | |
59 | if (res == 0) | |
60 | res = cache_post_test2 (testarea, CACHE_POST_SIZE); | |
61 | WATCHDOG_RESET (); | |
62 | if (res == 0) | |
63 | res = cache_post_test3 (testarea, CACHE_POST_SIZE); | |
64 | WATCHDOG_RESET (); | |
65 | if (res == 0) | |
66 | res = cache_post_test4 (testarea, CACHE_POST_SIZE); | |
67 | WATCHDOG_RESET (); | |
68 | if (res == 0) | |
69 | res = cache_post_test5 (); | |
70 | WATCHDOG_RESET (); | |
71 | if (res == 0) | |
72 | res = cache_post_test6 (); | |
73 | ||
74 | WATCHDOG_RESET (); | |
75 | if (ints) | |
76 | enable_interrupts (); | |
77 | return res; | |
78 | } | |
79 | ||
80 | #endif /* CONFIG_POST & CFG_POST_CACHE */ | |
81 | #endif /* CONFIG_POST */ |