drivers/rtc : move rtc drivers to drivers/rtc

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

1 files changed, 0 insertions, 206 deletions

diff --git a/rtc/ds1556.c b/rtc/ds1556.c
deleted file mode 100644
index 4365cfb..0000000
--- a/rtc/ds1556.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * (C) Copyright 2002
- * ARIO Data Networks, Inc. dchiu@ariodata.com
- *
- * modified for DS1556:
- * Frank Panno <fpanno@delphintech.com>, Delphin Technology AG
- *
- * Based on MontaVista DS1743 code and U-Boot mc146818 code
- *
- * 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 the DS1556 RTC
- */
-
-/*#define	RTC_DEBUG */
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-
-
-#if defined(CONFIG_RTC_DS1556) && defined(CONFIG_CMD_DATE)
-
-static uchar rtc_read( unsigned int addr );
-static void  rtc_write( unsigned int addr, uchar val);
-static uchar bin2bcd   (unsigned int n);
-static unsigned bcd2bin(uchar c);
-
-#define RTC_BASE		( CFG_NVRAM_SIZE + CFG_NVRAM_BASE_ADDR )
-
-#define RTC_YEAR		( RTC_BASE + 0xf )
-#define RTC_MONTH		( RTC_BASE + 0xe )
-#define RTC_DAY_OF_MONTH	( RTC_BASE + 0xd )
-#define RTC_DAY_OF_WEEK		( RTC_BASE + 0xc )
-#define RTC_HOURS		( RTC_BASE + 0xb )
-#define RTC_MINUTES		( RTC_BASE + 0xa )
-#define RTC_SECONDS		( RTC_BASE + 0x9 )
-#define RTC_CENTURY		( RTC_BASE + 0x8 )
-
-#define RTC_CONTROLA		RTC_CENTURY
-#define RTC_CONTROLB		RTC_SECONDS
-#define RTC_CONTROLC		RTC_BASE
-
-#define RTC_CA_WRITE		0x80
-#define RTC_CA_READ		0x40
-
-#define RTC_CB_OSC_DISABLE	0x80
-
-#define RTC_CC_BATTERY_FLAG	0x10
-#define RTC_CC_FREQ_TEST	0x40
-
-/* ------------------------------------------------------------------------- */
-
-void rtc_get( struct rtc_time *tmp )
-{
-	uchar sec, min, hour;
-	uchar mday, wday, mon, year;
-
-	int century;
-
-	uchar reg_a;
-
-	reg_a = rtc_read( RTC_CONTROLA );
-	/* lock clock registers for read */
-	rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_READ ));
-
-	sec     = rtc_read( RTC_SECONDS );
-	min     = rtc_read( RTC_MINUTES );
-	hour    = rtc_read( RTC_HOURS );
-	mday    = rtc_read( RTC_DAY_OF_MONTH );
-	wday    = rtc_read( RTC_DAY_OF_WEEK );
-	mon     = rtc_read( RTC_MONTH );
-	year    = rtc_read( RTC_YEAR );
-	century = rtc_read( RTC_CENTURY );
-
-	/* unlock clock registers after read */
-	rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_READ ));
-
-#ifdef RTC_DEBUG
-	printf( "Get RTC year: %02x mon/cent: %02x mon: %02x mday: %02x wday: %02x "
-		"hr: %02x min: %02x sec: %02x\n",
-		year, century, mon, mday, wday,
-		hour, min, sec );
-#endif
-	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 & 0x1F );
-	tmp->tm_wday = bcd2bin( wday & 0x07 );
-
-	/* glue year from century and year in century */
-	tmp->tm_year = bcd2bin( year ) +
-		( bcd2bin( century & 0x3F ) * 100 );
-
-	tmp->tm_yday = 0;
-	tmp->tm_isdst= 0;
-#ifdef RTC_DEBUG
-	printf( "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 );
-#endif
-}
-
-void rtc_set( struct rtc_time *tmp )
-{
-	uchar reg_a;
-#ifdef RTC_DEBUG
-	printf( "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);
-#endif
-	/* lock clock registers for write */
-	reg_a = rtc_read( RTC_CONTROLA );
-	rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_WRITE ));
-
-	rtc_write( RTC_MONTH, bin2bcd( tmp->tm_mon ));
-
-	rtc_write( RTC_DAY_OF_WEEK, bin2bcd( tmp->tm_wday ));
-	rtc_write( RTC_DAY_OF_MONTH, bin2bcd( tmp->tm_mday ));
-	rtc_write( RTC_HOURS, bin2bcd( tmp->tm_hour ));
-	rtc_write( RTC_MINUTES, bin2bcd( tmp->tm_min ));
-	rtc_write( RTC_SECONDS, bin2bcd( tmp->tm_sec ));
-
-	/* break year up into century and year in century */
-	rtc_write( RTC_YEAR, bin2bcd( tmp->tm_year % 100 ));
-	rtc_write( RTC_CENTURY, bin2bcd( tmp->tm_year / 100 ));
-
-	/* unlock clock registers after read */
-	rtc_write( RTC_CONTROLA, ( reg_a  & ~RTC_CA_WRITE ));
-}
-
-void rtc_reset (void)
-{
-	uchar reg_a, reg_b, reg_c;
-
-	reg_a = rtc_read( RTC_CONTROLA );
-	reg_b = rtc_read( RTC_CONTROLB );
-
-	if ( reg_b & RTC_CB_OSC_DISABLE )
-	{
-		printf( "real-time-clock was stopped. Now starting...\n" );
-		reg_a |= RTC_CA_WRITE;
-		reg_b &= ~RTC_CB_OSC_DISABLE;
-
-		rtc_write( RTC_CONTROLA, reg_a );
-		rtc_write( RTC_CONTROLB, reg_b );
-	}
-
-	/* make sure read/write clock register bits are cleared */
-	reg_a &= ~( RTC_CA_WRITE | RTC_CA_READ );
-	rtc_write( RTC_CONTROLA, reg_a );
-
-	reg_c = rtc_read( RTC_CONTROLC );
-	if (( reg_c & RTC_CC_BATTERY_FLAG ) == 0 )
-		printf( "RTC battery low. Clock setting may not be reliable.\n" );
-}
-
-/* ------------------------------------------------------------------------- */
-
-static uchar rtc_read( unsigned int addr )
-{
-	uchar val = *(volatile unsigned char*)(addr);
-#ifdef RTC_DEBUG
-	printf( "rtc_read: %x:%x\n", addr, val );
-#endif
-	return( val );
-}
-
-static void rtc_write( unsigned int addr, uchar val )
-{
-#ifdef RTC_DEBUG
-	printf( "rtc_write: %x:%x\n", addr, val );
-#endif
-	*(volatile unsigned char*)(addr) = 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