drivers/rtc : move rtc drivers to drivers/rtc

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

1 files changed, 0 insertions, 253 deletions

diff --git a/rtc/ds1374.c b/rtc/ds1374.c
deleted file mode 100644
index e773dd9..0000000
--- a/rtc/ds1374.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * (C) Copyright 2001, 2002, 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- * Keith Outwater, keith_outwater@mvis.com`
- * Steven Scholz, steven.scholz@imc-berlin.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)
- * DS1374 Real Time Clock (RTC).
- *
- * based on ds1337.c
- */
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-#include <i2c.h>
-
-#if (defined(CONFIG_RTC_DS1374)) && defined(CONFIG_CMD_DATE)
-
-/*---------------------------------------------------------------------*/
-#undef DEBUG_RTC
-#define DEBUG_RTC
-
-#ifdef DEBUG_RTC
-#define DEBUGR(fmt,args...) printf(fmt ,##args)
-#else
-#define DEBUGR(fmt,args...)
-#endif
-/*---------------------------------------------------------------------*/
-
-#ifndef CFG_I2C_RTC_ADDR
-# define CFG_I2C_RTC_ADDR	0x68
-#endif
-
-#if defined(CONFIG_RTC_DS1374) && (CFG_I2C_SPEED > 400000)
-# error The DS1374 is specified up to 400kHz in fast mode!
-#endif
-
-/*
- * RTC register addresses
- */
-#define RTC_TOD_CNT_BYTE0_ADDR		0x00 /* TimeOfDay */
-#define RTC_TOD_CNT_BYTE1_ADDR		0x01
-#define RTC_TOD_CNT_BYTE2_ADDR		0x02
-#define RTC_TOD_CNT_BYTE3_ADDR		0x03
-
-#define RTC_WD_ALM_CNT_BYTE0_ADDR	0x04
-#define RTC_WD_ALM_CNT_BYTE1_ADDR	0x05
-#define RTC_WD_ALM_CNT_BYTE2_ADDR	0x06
-
-#define RTC_CTL_ADDR			0x07 /* RTC-CoNTrol-register */
-#define RTC_SR_ADDR			0x08 /* RTC-StatusRegister */
-#define RTC_TCS_DS_ADDR			0x09 /* RTC-TrickleChargeSelect DiodeSelect-register */
-
-#define RTC_CTL_BIT_AIE			(1<<0) /* Bit 0 - Alarm Interrupt enable */
-#define RTC_CTL_BIT_RS1			(1<<1) /* Bit 1/2 - Rate Select square wave output */
-#define RTC_CTL_BIT_RS2			(1<<2) /* Bit 2/2 - Rate Select square wave output */
-#define RTC_CTL_BIT_WDSTR		(1<<3) /* Bit 3 - Watchdog Reset Steering */
-#define RTC_CTL_BIT_BBSQW		(1<<4) /* Bit 4 - Battery-Backed Square-Wave */
-#define RTC_CTL_BIT_WD_ALM		(1<<5) /* Bit 5 - Watchdoc/Alarm Counter Select */
-#define RTC_CTL_BIT_WACE		(1<<6) /* Bit 6 - Watchdog/Alarm Counter Enable WACE*/
-#define RTC_CTL_BIT_EN_OSC		(1<<7) /* Bit 7 - Enable Oscilator */
-
-#define RTC_SR_BIT_AF			0x01 /* Bit 0 = Alarm Flag */
-#define RTC_SR_BIT_OSF			0x80 /* Bit 7 - Osc Stop Flag */
-
-typedef unsigned char boolean_t;
-
-#ifndef TRUE
-#define TRUE ((boolean_t)(0==0))
-#endif
-#ifndef FALSE
-#define FALSE (!TRUE)
-#endif
-
-const char RtcTodAddr[] = {
-	RTC_TOD_CNT_BYTE0_ADDR,
-	RTC_TOD_CNT_BYTE1_ADDR,
-	RTC_TOD_CNT_BYTE2_ADDR,
-	RTC_TOD_CNT_BYTE3_ADDR
-};
-
-static uchar rtc_read (uchar reg);
-static void rtc_write (uchar reg, uchar val, boolean_t set);
-static void rtc_write_raw (uchar reg, uchar val);
-
-/*
- * Get the current time from the RTC
- */
-void rtc_get (struct rtc_time *tm){
-
-	unsigned long time1, time2;
-	unsigned int limit;
-	unsigned char tmp;
-	unsigned int i;
-
-	/*
-	 * Since the reads are being performed one byte at a time,
-	 * there is a chance that a carry will occur during the read.
-	 * To detect this, 2 reads are performed and compared.
-	 */
-	limit = 10;
-	do {
-		i = 4;
-		time1 = 0;
-		while (i--) {
-			tmp = rtc_read(RtcTodAddr[i]);
-			time1 = (time1 << 8) | (tmp & 0xff);
-		}
-
-		i = 4;
-		time2 = 0;
-		while (i--) {
-			tmp = rtc_read(RtcTodAddr[i]);
-			time2 = (time2 << 8) | (tmp & 0xff);
-		}
-	} while ((time1 != time2) && limit--);
-
-	if (time1 != time2) {
-		printf("can't get consistent time from rtc chip\n");
-	}
-
-	DEBUGR ("Get RTC s since 1.1.1970: %d\n", time1);
-
-	to_tm(time1, tm); /* To Gregorian Date */
-
-	if (rtc_read(RTC_SR_ADDR) & RTC_SR_BIT_OSF)
-		printf ("### Warning: RTC oscillator has stopped\n");
-
-	DEBUGR ("Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
-		tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_wday,
-		tm->tm_hour, tm->tm_min, tm->tm_sec);
-}
-
-/*
- * Set the RTC
- */
-void rtc_set (struct rtc_time *tmp){
-
-	unsigned long time;
-	unsigned i;
-
-	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);
-
-	if (tmp->tm_year < 1970 || tmp->tm_year > 2069)
-		printf("WARNING: year should be between 1970 and 2069!\n");
-
-	time = mktime(tmp->tm_year, tmp->tm_mon,
-			tmp->tm_mday, tmp->tm_hour,
-			tmp->tm_min, tmp->tm_sec);
-
-	DEBUGR ("Set RTC s since 1.1.1970: %d (0x%02x)\n", time, time);
-
-	/* write to RTC_TOD_CNT_BYTEn_ADDR */
-	for (i = 0; i <= 3; i++) {
-		rtc_write_raw(RtcTodAddr[i], (unsigned char)(time & 0xff));
-		time = time >> 8;
-	}
-
-	/* Start clock */
-	rtc_write(RTC_CTL_ADDR, RTC_CTL_BIT_EN_OSC, FALSE);
-}
-
-/*
- * Reset the RTC. We setting the date back to 1970-01-01.
- * We also enable the oscillator output on the SQW/OUT 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 to something between 480nA and 800nA.
- */
-void rtc_reset (void){
-
-	struct rtc_time tmp;
-
-	/* clear status flags */
-	rtc_write (RTC_SR_ADDR, (RTC_SR_BIT_AF|RTC_SR_BIT_OSF), FALSE); /* clearing OSF and AF */
-
-	/* Initialise DS1374 oriented to MPC8349E-ADS */
-	rtc_write (RTC_CTL_ADDR, (RTC_CTL_BIT_EN_OSC
-				 |RTC_CTL_BIT_WACE
-				 |RTC_CTL_BIT_AIE), FALSE);/* start osc, disable WACE, clear AIE
-							      - set to 0 */
-	rtc_write (RTC_CTL_ADDR, (RTC_CTL_BIT_WD_ALM
-				|RTC_CTL_BIT_WDSTR
-				|RTC_CTL_BIT_RS1
-				|RTC_CTL_BIT_RS2
-				|RTC_CTL_BIT_BBSQW), TRUE);/* disable WD/ALM, WDSTR set to INT-pin,
-							      set BBSQW and SQW to 32k
-							      - set to 1 */
-	tmp.tm_year = 1970;
-	tmp.tm_mon = 1;
-	tmp.tm_mday= 1;
-	tmp.tm_hour = 0;
-	tmp.tm_min = 0;
-	tmp.tm_sec = 0;
-
-	rtc_set(&tmp);
-
-	printf("RTC:   %4d-%02d-%02d %2d:%02d:%02d UTC\n",
-		tmp.tm_year, tmp.tm_mon, tmp.tm_mday,
-		tmp.tm_hour, tmp.tm_min, tmp.tm_sec);
-
-	rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR,0xAC, TRUE);
-	rtc_write(RTC_WD_ALM_CNT_BYTE1_ADDR,0xDE, TRUE);
-	rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR,0xAD, TRUE);
-}
-
-/*
- * 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, boolean_t set)
-{
-	if (set == TRUE) {
-		val |= i2c_reg_read (CFG_I2C_RTC_ADDR, reg);
-		i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
-	} else {
-		val = i2c_reg_read (CFG_I2C_RTC_ADDR, reg) & ~val;
-		i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
-	}
-}
-
-static void rtc_write_raw (uchar reg, uchar val)
-{
-		i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
-}
-#endif