drivers/rtc : move rtc drivers to drivers/rtc

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 0 insertions, 193 deletions

diff --git a/rtc/ds3231.c b/rtc/ds3231.c
deleted file mode 100644
index fe11b86..0000000
--- a/rtc/ds3231.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * (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
- */
-
-/*
- * Date & Time support (no alarms) for Dallas Semiconductor (now Maxim)
- * Extremly Accurate DS3231 Real Time Clock (RTC).
- *
- * copied from ds1337.c
- */
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-#include <i2c.h>
-
-#if defined(CONFIG_RTC_DS3231) && defined(CONFIG_CMD_DATE)
-
-/*---------------------------------------------------------------------*/
-#undef DEBUG_RTC
-
-#ifdef DEBUG_RTC
-#define DEBUGR(fmt,args...) printf(fmt ,##args)
-#else
-#define DEBUGR(fmt,args...)
-#endif
-/*---------------------------------------------------------------------*/
-
-/*
- * RTC register addresses
- */
-#define RTC_SEC_REG_ADDR	0x0
-#define RTC_MIN_REG_ADDR	0x1
-#define RTC_HR_REG_ADDR		0x2
-#define RTC_DAY_REG_ADDR	0x3
-#define RTC_DATE_REG_ADDR	0x4
-#define RTC_MON_REG_ADDR	0x5
-#define RTC_YR_REG_ADDR		0x6
-#define RTC_CTL_REG_ADDR	0x0e
-#define RTC_STAT_REG_ADDR	0x0f
-
-
-/*
- * RTC control register bits
- */
-#define RTC_CTL_BIT_A1IE	0x1	/* Alarm 1 interrupt enable     */
-#define RTC_CTL_BIT_A2IE	0x2	/* Alarm 2 interrupt enable     */
-#define RTC_CTL_BIT_INTCN	0x4	/* Interrupt control            */
-#define RTC_CTL_BIT_RS1		0x8	/* Rate select 1                */
-#define RTC_CTL_BIT_RS2		0x10	/* Rate select 2                */
-#define RTC_CTL_BIT_DOSC	0x80	/* Disable Oscillator           */
-
-/*
- * RTC status register bits
- */
-#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         */
-
-
-static uchar rtc_read (uchar reg);
-static void rtc_write (uchar reg, uchar val);
-static uchar bin2bcd (unsigned int n);
-static unsigned bcd2bin (uchar c);
-
-
-/*
- * Get the current time from the RTC
- */
-void rtc_get (struct rtc_time *tmp)
-{
-	uchar sec, min, hour, mday, wday, mon_cent, year, control, status;
-
-	control = rtc_read (RTC_CTL_REG_ADDR);
-	status = rtc_read (RTC_STAT_REG_ADDR);
-	sec = rtc_read (RTC_SEC_REG_ADDR);
-	min = rtc_read (RTC_MIN_REG_ADDR);
-	hour = rtc_read (RTC_HR_REG_ADDR);
-	wday = rtc_read (RTC_DAY_REG_ADDR);
-	mday = rtc_read (RTC_DATE_REG_ADDR);
-	mon_cent = rtc_read (RTC_MON_REG_ADDR);
-	year = rtc_read (RTC_YR_REG_ADDR);
-
-	DEBUGR ("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "
-		"hr: %02x min: %02x sec: %02x control: %02x status: %02x\n",
-		year, mon_cent, mday, wday, hour, min, sec, control, status);
-
-	if (status & RTC_STAT_BIT_OSF) {
-		printf ("### Warning: RTC oscillator has stopped\n");
-		/* clear the OSF flag */
-		rtc_write (RTC_STAT_REG_ADDR,
-			   rtc_read (RTC_STAT_REG_ADDR) & ~RTC_STAT_BIT_OSF);
-	}
-
-	tmp->tm_sec  = bcd2bin (sec & 0x7F);
-	tmp->tm_min  = bcd2bin (min & 0x7F);
-	tmp->tm_hour = bcd2bin (hour & 0x3F);
-	tmp->tm_mday = bcd2bin (mday & 0x3F);
-	tmp->tm_mon  = bcd2bin (mon_cent & 0x1F);
-	tmp->tm_year = bcd2bin (year) + ((mon_cent & 0x80) ? 2000 : 1900);
-	tmp->tm_wday = bcd2bin ((wday - 1) & 0x07);
-	tmp->tm_yday = 0;
-	tmp->tm_isdst= 0;
-
-	DEBUGR ("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);
-}
-
-
-/*
- * Set the RTC
- */
-void rtc_set (struct rtc_time *tmp)
-{
-	uchar century;
-
-	DEBUGR ("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);
-
-	rtc_write (RTC_YR_REG_ADDR, bin2bcd (tmp->tm_year % 100));
-
-	century = (tmp->tm_year >= 2000) ? 0x80 : 0;
-	rtc_write (RTC_MON_REG_ADDR, bin2bcd (tmp->tm_mon) | century);
-
-	rtc_write (RTC_DAY_REG_ADDR, bin2bcd (tmp->tm_wday + 1));
-	rtc_write (RTC_DATE_REG_ADDR, bin2bcd (tmp->tm_mday));
-	rtc_write (RTC_HR_REG_ADDR, bin2bcd (tmp->tm_hour));
-	rtc_write (RTC_MIN_REG_ADDR, bin2bcd (tmp->tm_min));
-	rtc_write (RTC_SEC_REG_ADDR, bin2bcd (tmp->tm_sec));
-}
-
-
-/*
- * Reset the RTC.  We also enable the oscillator output on the
- * SQW/INTB* pin and program it for 32,768 Hz output. Note that
- * according to the datasheet, turning on the square wave output
- * increases the current drain on the backup battery from about
- * 600 nA to 2uA.
- */
-void rtc_reset (void)
-{
-	rtc_write (RTC_CTL_REG_ADDR, RTC_CTL_BIT_RS1 | RTC_CTL_BIT_RS2);
-}
-
-
-/*
- * Helper functions
- */
-
-static
-uchar rtc_read (uchar reg)
-{
-	return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg));
-}
-
-
-static void rtc_write (uchar reg, uchar val)
-{
-	i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
-}
-
-static unsigned bcd2bin (uchar n)
-{
-	return ((((n >> 4) & 0x0F) * 10) + (n & 0x0F));
-}
-
-static unsigned char bin2bcd (unsigned int n)
-{
-	return (((n / 10) << 4) | (n % 10));
-}
-
-#endif