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diff --git a/board/w7o/post2.c b/board/w7o/post2.c
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+/*
+ * (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() */
+