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authorwdenk2002-08-17 09:36:01 +0000
committerwdenk2002-08-17 09:36:01 +0000
commitaffae2bff825c1a8d2cfeaf7b270188d251d39d2 (patch)
treee025ca5a84cdcd70cff986e09f89e1aaa360499c /rtc/mpc8xx.c
parentcf356ef708390102d493c53d18fd19a5963c6aa9 (diff)
Initial revision
Diffstat (limited to 'rtc/mpc8xx.c')
-rw-r--r--rtc/mpc8xx.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/rtc/mpc8xx.c b/rtc/mpc8xx.c
new file mode 100644
index 00000000000..830e56e17c5
--- /dev/null
+++ b/rtc/mpc8xx.c
@@ -0,0 +1,75 @@
+/*
+ * (C) Copyright 2001
+ * 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
+ */
+
+/*
+ * Date & Time support for internal RTC of MPC8xx
+ */
+
+/*#define DEBUG*/
+
+#include <common.h>
+#include <command.h>
+#include <rtc.h>
+
+#if defined(CONFIG_RTC_MPC8xx) && (CONFIG_COMMANDS & CFG_CMD_DATE)
+
+/* ------------------------------------------------------------------------- */
+
+void rtc_get (struct rtc_time *tmp)
+{
+ volatile immap_t *immr = (immap_t *)CFG_IMMR;
+ ulong tim;
+
+ tim = immr->im_sit.sit_rtc;
+
+ to_tm (tim, tmp);
+
+ debug ( "Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
+ tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+}
+
+void rtc_set (struct rtc_time *tmp)
+{
+ volatile immap_t *immr = (immap_t *)CFG_IMMR;
+ ulong tim;
+
+ debug ( "Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
+ tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+
+ tim = mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+
+ immr->im_sitk.sitk_rtck = KAPWR_KEY;
+ immr->im_sit.sit_rtc = tim;
+}
+
+void rtc_reset (void)
+{
+ return; /* nothing to do */
+}
+
+/* ------------------------------------------------------------------------- */
+
+#endif /* CONFIG_RTC_MPC8xx && CFG_CMD_DATE */