+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2006
* Markus Klotzbuecher, mk@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
*/
/*
#define RTC_STAT_BIT_A1F 0x1 /* Alarm 1 flag */
#define RTC_STAT_BIT_A2F 0x2 /* Alarm 2 flag */
#define RTC_STAT_BIT_OSF 0x80 /* Oscillator stop flag */
+#define RTC_STAT_BIT_BB32KHZ 0x40 /* Battery backed 32KHz Output */
+#define RTC_STAT_BIT_EN32KHZ 0x8 /* Enable 32KHz Output */
static uchar rtc_read (uchar reg);
rtc_write (RTC_CTL_REG_ADDR, RTC_CTL_BIT_RS1 | RTC_CTL_BIT_RS2);
}
+/*
+ * Enable 32KHz output
+ */
+void rtc_enable_32khz_output(void)
+{
+ rtc_write(RTC_STAT_REG_ADDR,
+ RTC_STAT_BIT_BB32KHZ | RTC_STAT_BIT_EN32KHZ);
+}
/*
* Helper functions