drivers/rtc : move rtc drivers to drivers/rtc

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

1 files changed, 0 insertions, 302 deletions

diff --git a/rtc/rs5c372.c b/rtc/rs5c372.c
deleted file mode 100644
index 3d1346e..0000000
--- a/rtc/rs5c372.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
- * rs5c372.c
- *
- * Device driver for Ricoh's Real Time Controller RS5C372A.
- *
- * Copyright (C) 2004 Gary Jennejohn garyj@denx.de
- *
- * Based in part in ds1307.c -
- * (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 version 2 as
- * published by the Free Software Foundation.
- *
- * 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
- */
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-#include <i2c.h>
-
-#if defined(CONFIG_RTC_RS5C372A) && defined(CONFIG_CMD_DATE)
-/*
- * Reads are always done starting with register 15, which requires some
- * jumping-through-hoops to access the data correctly.
- *
- * Writes are always done starting with register 0.
- */
-
-#define DEBUG 0
-
-#if DEBUG
-static unsigned int rtc_debug = DEBUG;
-#else
-#define rtc_debug 0	/* gcc will remove all the debug code for us */
-#endif
-
-#ifndef CFG_I2C_RTC_ADDR
-#define CFG_I2C_RTC_ADDR 0x32
-#endif
-
-#define RS5C372_RAM_SIZE 0x10
-#define RATE_32000HZ	0x80	/* Rate Select 32.000KHz */
-#define RATE_32768HZ	0x00	/* Rate Select 32.768KHz */
-
-#define STATUS_XPT  0x10    /* data invalid because voltage was 0 */
-
-#define USE_24HOUR_MODE 0x20
-#define TWELVE_HOUR_MODE(n) ((((n) >> 5) & 1) == 0)
-#define HOURS_AP(n)	(((n) >> 5) & 1)
-#define HOURS_12(n)	bcd2bin((n) & 0x1F)
-#define HOURS_24(n)	bcd2bin((n) & 0x3F)
-
-
-static uchar bin2bcd (unsigned int n);
-static unsigned bcd2bin (uchar c);
-
-static int setup_done = 0;
-
-static int
-rs5c372_readram(unsigned char *buf, int len)
-{
-	int ret;
-
-	ret = i2c_read(CFG_I2C_RTC_ADDR, 0, 0, buf, len);
-	if (ret != 0) {
-		printf("%s: failed to read\n", __FUNCTION__);
-		return ret;
-	}
-
-	if (buf[0] & STATUS_XPT)
-		printf("### Warning: RTC lost power\n");
-
-	return ret;
-}
-
-static void
-rs5c372_enable(void)
-{
-	unsigned char buf[RS5C372_RAM_SIZE + 1];
-	int ret;
-
-	/* note that this returns reg. 15 in buf[1] */
-	ret = rs5c372_readram(&buf[1], RS5C372_RAM_SIZE);
-	if (ret != 0) {
-		printf("%s: failed\n", __FUNCTION__);
-		return;
-	}
-
-	buf[0] = 0;
-	/* we want to start writing at register 0 so we have to copy the */
-	/* register contents up one slot */
-	for (ret = 2; ret < 9; ret++)
-		buf[ret - 1] = buf[ret];
-	/* registers 0 to 6 (time values) are not touched */
-	buf[8] = RATE_32768HZ; /* reg. 7 */
-	buf[9] = 0; /* reg. 8 */
-	buf[10] = 0; /* reg. 9 */
-	buf[11] = 0; /* reg. 10 */
-	buf[12] = 0; /* reg. 11 */
-	buf[13] = 0; /* reg. 12 */
-	buf[14] = 0; /* reg. 13 */
-	buf[15] = 0; /* reg. 14 */
-	buf[16] = USE_24HOUR_MODE; /* reg. 15 */
-	ret = i2c_write(CFG_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1);
-	if (ret != 0) {
-		printf("%s: failed\n", __FUNCTION__);
-		return;
-	}
-	setup_done = 1;
-
-	return;
-}
-
-static void
-rs5c372_convert_to_time(struct rtc_time *dt, unsigned char *buf)
-{
-	/* buf[0] is register 15 */
-	dt->tm_sec = bcd2bin(buf[1]);
-	dt->tm_min = bcd2bin(buf[2]);
-
-	if (TWELVE_HOUR_MODE(buf[0])) {
-		dt->tm_hour = HOURS_12(buf[3]);
-		if (HOURS_AP(buf[3])) /* PM */
-			dt->tm_hour += 12;
-	} else /* 24-hour-mode */
-		dt->tm_hour = HOURS_24(buf[3]);
-
-	dt->tm_mday = bcd2bin(buf[5]);
-	dt->tm_mon = bcd2bin(buf[6]);
-	dt->tm_year = bcd2bin(buf[7]);
-	if (dt->tm_year >= 70)
-		dt->tm_year += 1900;
-	else
-		dt->tm_year += 2000;
-	/* 0 is Sunday */
-	dt->tm_wday = bcd2bin(buf[4] & 0x07);
-	dt->tm_yday = 0;
-	dt->tm_isdst= 0;
-
-	if(rtc_debug > 2) {
-		printf("rs5c372_convert_to_time: year = %d\n", dt->tm_year);
-		printf("rs5c372_convert_to_time: mon  = %d\n", dt->tm_mon);
-		printf("rs5c372_convert_to_time: mday = %d\n", dt->tm_mday);
-		printf("rs5c372_convert_to_time: hour = %d\n", dt->tm_hour);
-		printf("rs5c372_convert_to_time: min  = %d\n", dt->tm_min);
-		printf("rs5c372_convert_to_time: sec  = %d\n", dt->tm_sec);
-	}
-}
-
-/*
- * Get the current time from the RTC
- */
-void
-rtc_get (struct rtc_time *tmp)
-{
-	unsigned char buf[RS5C372_RAM_SIZE];
-	int ret;
-
-	if (!setup_done)
-		rs5c372_enable();
-
-	if (!setup_done)
-		return;
-
-	memset(buf, 0, sizeof(buf));
-
-	/* note that this returns reg. 15 in buf[0] */
-	ret = rs5c372_readram(buf, RS5C372_RAM_SIZE);
-	if (ret != 0) {
-		printf("%s: failed\n", __FUNCTION__);
-		return;
-	}
-
-	rs5c372_convert_to_time(tmp, buf);
-
-	return;
-}
-
-/*
- * Set the RTC
- */
-void
-rtc_set (struct rtc_time *tmp)
-{
-	unsigned char buf[8], reg15;
-	int ret;
-
-	if (!setup_done)
-		rs5c372_enable();
-
-	if (!setup_done)
-		return;
-
-	if(rtc_debug > 2) {
-		printf("rtc_set: tm_year = %d\n", tmp->tm_year);
-		printf("rtc_set: tm_mon	 = %d\n", tmp->tm_mon);
-		printf("rtc_set: tm_mday = %d\n", tmp->tm_mday);
-		printf("rtc_set: tm_hour = %d\n", tmp->tm_hour);
-		printf("rtc_set: tm_min	 = %d\n", tmp->tm_min);
-		printf("rtc_set: tm_sec	 = %d\n", tmp->tm_sec);
-	}
-
-	memset(buf, 0, sizeof(buf));
-
-	/* only read register 15 */
-	ret = i2c_read(CFG_I2C_RTC_ADDR, 0, 0, buf, 1);
-
-	if (ret == 0) {
-		/* need to save register 15 */
-		reg15 = buf[0];
-		buf[0] = 0;	/* register address on RS5C372 */
-		buf[1] = bin2bcd(tmp->tm_sec);
-		buf[2] = bin2bcd(tmp->tm_min);
-		/* need to handle 12 hour mode */
-		if (TWELVE_HOUR_MODE(reg15)) {
-			if (tmp->tm_hour >= 12) { /* PM */
-				/* 12 PM is a special case */
-				if (tmp->tm_hour == 12)
-					buf[3] = bin2bcd(tmp->tm_hour);
-				else
-					buf[3] = bin2bcd(tmp->tm_hour - 12);
-				buf[3] |= 0x20;
-			}
-		} else {
-			buf[3] = bin2bcd(tmp->tm_hour);
-		}
-
-		buf[4] = bin2bcd(tmp->tm_wday);
-		buf[5] = bin2bcd(tmp->tm_mday);
-		buf[6] = bin2bcd(tmp->tm_mon);
-		if (tmp->tm_year < 1970 || tmp->tm_year > 2069)
-			printf("WARNING: year should be between 1970 and 2069!\n");
-		buf[7] = bin2bcd(tmp->tm_year % 100);
-
-		ret = i2c_write(CFG_I2C_RTC_ADDR, 0, 0, buf, 8);
-		if (ret != 0)
-			printf("rs5c372_set_datetime(), i2c_master_send() returned %d\n",ret);
-	}
-
-	return;
-}
-
-/*
- * Reset the RTC. We set the date back to 1970-01-01.
- */
-void
-rtc_reset (void)
-{
-	struct rtc_time tmp;
-
-	if (!setup_done)
-		rs5c372_enable();
-
-	if (!setup_done)
-		return;
-
-	tmp.tm_year = 1970;
-	tmp.tm_mon = 1;
-	/* Jan. 1, 1970 was a Thursday */
-	tmp.tm_wday= 4;
-	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);
-
-	return;
-}
-
-static unsigned int
-bcd2bin (unsigned char n)
-{
-	return ((((n >> 4) & 0x0F) * 10) + (n & 0x0F));
-}
-
-static unsigned char
-bin2bcd (unsigned int n)
-{
-	return (((n / 10) << 4) | (n % 10));
-}
-#endif