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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2007-11-24 20:59:50 +0100
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2007-11-25 23:28:50 +0100
commit0c698dcaa70275eb8814f665b545547cee013892 (patch)
tree32d61a4cfced08af7f4e68bf15d48d90caf924f5 /rtc/s3c24x0_rtc.c
parentf868cc5a50757d94f36c312395481cb0f187d9e6 (diff)
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drivers/rtc : move rtc drivers to drivers/rtc
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'rtc/s3c24x0_rtc.c')
-rw-r--r--rtc/s3c24x0_rtc.c178
1 files changed, 0 insertions, 178 deletions
diff --git a/rtc/s3c24x0_rtc.c b/rtc/s3c24x0_rtc.c
deleted file mode 100644
index 7f8b4fa..0000000
--- a/rtc/s3c24x0_rtc.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * (C) Copyright 2003
- * David Müller ELSOFT AG Switzerland. d.mueller@elsoft.ch
- *
- * 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 built-in Samsung S3C24X0 RTC
- */
-
-#include <common.h>
-#include <command.h>
-
-#if defined(CONFIG_RTC_S3C24X0) && (defined(CONFIG_CMD_DATE))
-
-#if defined(CONFIG_S3C2400)
-#include <s3c2400.h>
-#elif defined(CONFIG_S3C2410)
-#include <s3c2410.h>
-#endif
-
-#include <rtc.h>
-
-/*#define DEBUG*/
-
-typedef enum {
- RTC_ENABLE,
- RTC_DISABLE
-} RTC_ACCESS;
-
-
-static inline void SetRTC_Access(RTC_ACCESS a)
-{
- S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC();
- switch (a) {
- case RTC_ENABLE:
- rtc->RTCCON |= 0x01; break;
-
- case RTC_DISABLE:
- rtc->RTCCON &= ~0x01; break;
- }
-}
-
-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));
-}
-
-/* ------------------------------------------------------------------------- */
-
-void rtc_get (struct rtc_time *tmp)
-{
- S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC();
- uchar sec, min, hour, mday, wday, mon, year;
- uchar a_sec,a_min, a_hour, a_date, a_mon, a_year, a_armed;
-
- /* enable access to RTC registers */
- SetRTC_Access(RTC_ENABLE);
-
- /* read RTC registers */
- do {
- sec = rtc->BCDSEC;
- min = rtc->BCDMIN;
- hour = rtc->BCDHOUR;
- mday = rtc->BCDDATE;
- wday = rtc->BCDDAY;
- mon = rtc->BCDMON;
- year = rtc->BCDYEAR;
- } while (sec != rtc->BCDSEC);
-
- /* read ALARM registers */
- a_sec = rtc->ALMSEC;
- a_min = rtc->ALMMIN;
- a_hour = rtc->ALMHOUR;
- a_date = rtc->ALMDATE;
- a_mon = rtc->ALMMON;
- a_year = rtc->ALMYEAR;
- a_armed = rtc->RTCALM;
-
- /* disable access to RTC registers */
- SetRTC_Access(RTC_DISABLE);
-
-#ifdef RTC_DEBUG
- printf ( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x "
- "hr: %02x min: %02x sec: %02x\n",
- year, mon, mday, wday,
- hour, min, sec);
- printf ( "Alarms: %02x: year: %02x month: %02x date: %02x hour: %02x min: %02x sec: %02x\n",
- a_armed,
- a_year, a_mon, a_date,
- a_hour, a_min, a_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_year = bcd2bin(year);
- tmp->tm_wday = bcd2bin(wday & 0x07);
- if(tmp->tm_year<70)
- tmp->tm_year+=2000;
- else
- tmp->tm_year+=1900;
- 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)
-{
- S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC();
- uchar sec, min, hour, mday, wday, mon, year;
-
-#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
- year = bin2bcd(tmp->tm_year % 100);
- mon = bin2bcd(tmp->tm_mon);
- wday = bin2bcd(tmp->tm_wday);
- mday = bin2bcd(tmp->tm_mday);
- hour = bin2bcd(tmp->tm_hour);
- min = bin2bcd(tmp->tm_min);
- sec = bin2bcd(tmp->tm_sec);
-
- /* enable access to RTC registers */
- SetRTC_Access(RTC_ENABLE);
-
- /* write RTC registers */
- rtc->BCDSEC = sec;
- rtc->BCDMIN = min;
- rtc->BCDHOUR = hour;
- rtc->BCDDATE = mday;
- rtc->BCDDAY = wday;
- rtc->BCDMON = mon;
- rtc->BCDYEAR = year;
-
- /* disable access to RTC registers */
- SetRTC_Access(RTC_DISABLE);
-}
-
-void rtc_reset (void)
-{
- S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC();
-
- rtc->RTCCON = (rtc->RTCCON & ~0x06) | 0x08;
- rtc->RTCCON &= ~(0x08|0x01);
-}
-
-#endif