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Diffstat (limited to 'board/w7o/post2.c')
-rw-r--r-- | board/w7o/post2.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/board/w7o/post2.c b/board/w7o/post2.c new file mode 100644 index 0000000000..271c197f06 --- /dev/null +++ b/board/w7o/post2.c @@ -0,0 +1,109 @@ +/* + * (C) Copyright 2001 + * Bill Hunter, Wave 7 Optics, williamhunter@mediaone.net + * and + * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. + * + * 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> +#include <config.h> +#include <rtc.h> +#include "errors.h" +#include "dtt.h" + +#if defined(CONFIG_RTC_M48T35A) +void rtctest(void) +{ + volatile uchar *tchar = (uchar*)(CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE - 9); + struct rtc_time tmp; + + /* set up led code for RTC tests */ + log_stat(ERR_RTCG); + + /* + * Do RTC battery test. The first write after power up + * fails if battery is low. + */ + *tchar = 0xaa; + if ((*tchar ^ 0xaa) != 0x0) log_warn(ERR_RTCBAT); + *tchar = 0x55; /* Reset test address */ + + /* + * Now lets check the validity of the values in the RTC. + */ + rtc_get(&tmp); + if ((tmp.tm_sec < 0) | (tmp.tm_sec > 59) | + (tmp.tm_min < 0) | (tmp.tm_min > 59) | + (tmp.tm_hour < 0) | (tmp.tm_hour > 23) | + (tmp.tm_mday < 1 ) | (tmp.tm_mday > 31) | + (tmp.tm_mon < 1 ) | (tmp.tm_mon > 12) | + (tmp.tm_year < 2000) | (tmp.tm_year > 2500) | + (tmp.tm_wday < 1 ) | (tmp.tm_wday > 7)) { + log_warn(ERR_RTCTIM); + rtc_reset(); + } + + /* + * Now lets do a check to see if the NV RAM is there. + */ + *tchar = 0xaa; + if ((*tchar ^ 0xaa) != 0x0) log_err(ERR_RTCVAL); + *tchar = 0x55; /* Reset test address */ + +} /* rtctest() */ +#endif /* CONFIG_RTC_M48T35A */ + + +#ifdef CONFIG_DTT_LM75 +int dtt_test(int sensor) +{ + short temp, trip, hyst; + + /* get values */ + temp = dtt_read(sensor, DTT_READ_TEMP) / 256; + trip = dtt_read(sensor, DTT_TEMP_SET) / 256; + hyst = dtt_read(sensor, DTT_TEMP_HYST) / 256; + + /* check values */ + if ((hyst != (CFG_DTT_MAX_TEMP - CFG_DTT_HYSTERESIS)) || + (trip != CFG_DTT_MAX_TEMP) || + (temp < CFG_DTT_LOW_TEMP) || (temp > CFG_DTT_MAX_TEMP)) + return 1; + + return 0; +} /* dtt_test() */ +#endif /* CONFIG_DTT_LM75 */ + +/*****************************************/ + +void post2(void) +{ +#if defined(CONFIG_RTC_M48T35A) + rtctest(); +#endif /* CONFIG_RTC_M48T35A */ + +#ifdef CONFIG_DTT_LM75 + log_stat(ERR_TempG); + if(dtt_test(2) != 0) log_warn(ERR_Ttest0); + if(dtt_test(4) != 0) log_warn(ERR_Ttest1); +#endif /* CONFIG_DTT_LM75 */ +} /* post2() */ + |