diff options
Diffstat (limited to 'post/rtc.c')
| -rw-r--r-- | post/rtc.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/post/rtc.c b/post/rtc.c deleted file mode 100644 index 7d4f9b8..0000000 --- a/post/rtc.c +++ /dev/null @@ -1,183 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 - */ - -#include <common.h> - -/* - * RTC test - * - * The Real Time Clock (RTC) operation is verified by this test. - * The following features are verified: - * o) Time uniformity - * This is verified by reading RTC in polling within - * a short period of time. - * o) Passing month boundaries - * This is checked by setting RTC to a second before - * a month boundary and reading it after its passing the - * boundary. The test is performed for both leap- and - * nonleap-years. - */ - -#ifdef CONFIG_POST - -#include <post.h> -#include <rtc.h> - -#if CONFIG_POST & CFG_POST_RTC - -static int rtc_post_skip (ulong * diff) -{ - struct rtc_time tm1; - struct rtc_time tm2; - ulong start1; - ulong start2; - - rtc_get (&tm1); - start1 = get_timer (0); - - while (1) { - rtc_get (&tm2); - start2 = get_timer (0); - if (tm1.tm_sec != tm2.tm_sec) - break; - if (start2 - start1 > 1500) - break; - } - - if (tm1.tm_sec != tm2.tm_sec) { - *diff = start2 - start1; - - return 0; - } else { - return -1; - } -} - -static void rtc_post_restore (struct rtc_time *tm, unsigned int sec) -{ - time_t t = mktime (tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, - tm->tm_min, tm->tm_sec) + sec; - struct rtc_time ntm; - - to_tm (t, &ntm); - - rtc_set (&ntm); -} - -int rtc_post_test (int flags) -{ - ulong diff; - unsigned int i; - struct rtc_time svtm; - static unsigned int daysnl[] = - { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; - static unsigned int daysl[] = - { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; - unsigned int ynl = 1999; - unsigned int yl = 2000; - unsigned int skipped = 0; - - /* Time uniformity */ - if (rtc_post_skip (&diff) != 0) { - post_log ("Timeout while waiting for a new second !\n"); - - return -1; - } - - for (i = 0; i < 5; i++) { - if (rtc_post_skip (&diff) != 0) { - post_log ("Timeout while waiting for a new second !\n"); - - return -1; - } - - if (diff < 950 || diff > 1050) { - post_log ("Invalid second duration !\n"); - - return -1; - } - } - - /* Passing month boundaries */ - - if (rtc_post_skip (&diff) != 0) { - post_log ("Timeout while waiting for a new second !\n"); - - return -1; - } - rtc_get (&svtm); - - for (i = 0; i < 12; i++) { - time_t t = mktime (ynl, i + 1, daysnl[i], 23, 59, 59); - struct rtc_time tm; - - to_tm (t, &tm); - rtc_set (&tm); - - skipped++; - if (rtc_post_skip (&diff) != 0) { - rtc_post_restore (&svtm, skipped); - post_log ("Timeout while waiting for a new second !\n"); - - return -1; - } - - rtc_get (&tm); - if (tm.tm_mon == i + 1) { - rtc_post_restore (&svtm, skipped); - post_log ("Month %d boundary is not passed !\n", i + 1); - - return -1; - } - } - - for (i = 0; i < 12; i++) { - time_t t = mktime (yl, i + 1, daysl[i], 23, 59, 59); - struct rtc_time tm; - - to_tm (t, &tm); - rtc_set (&tm); - - skipped++; - if (rtc_post_skip (&diff) != 0) { - rtc_post_restore (&svtm, skipped); - post_log ("Timeout while waiting for a new second !\n"); - - return -1; - } - - rtc_get (&tm); - if (tm.tm_mon == i + 1) { - rtc_post_restore (&svtm, skipped); - post_log ("Month %d boundary is not passed !\n", i + 1); - - return -1; - } - } - rtc_post_restore (&svtm, skipped); - - return 0; -} - -#endif /* CONFIG_POST & CFG_POST_RTC */ -#endif /* CONFIG_POST */ |