| Wolfgang Denk | ad5bb45 | 2007-03-06 18:08:43 +0100 | [diff] [blame] | 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 */ |