drivers/rtc : move rtc drivers to drivers/rtc

[karo-tx-uboot.git] / rtc / m48t35ax.c

diff --git a/rtc/m48t35ax.c b/rtc/m48t35ax.c
deleted file mode 100644 (file)
index 0a0ffa8..0000000
--- a/rtc/m48t35ax.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * (C) Copyright 2001
- * Erik Theisen,  Wave 7 Optics, etheisen@mindspring.com.
- *
- * 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 ST Electronics M48T35Ax RTC
- */
-
-/*#define       DEBUG */
-
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-#include <config.h>
-
-#if defined(CONFIG_RTC_M48T35A) && defined(CONFIG_CMD_DATE)
-
-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);
-
-/* ------------------------------------------------------------------------- */
-
-void rtc_get (struct rtc_time *tmp)
-{
-       uchar sec, min, hour, cent_day, date, month, year;
-       uchar ccr;                      /* Clock control register */
-
-       /* Lock RTC for read using clock control register */
-       ccr = rtc_read(0);
-       ccr = ccr | 0x40;
-       rtc_write(0, ccr);
-
-       sec     = rtc_read (0x1);
-       min     = rtc_read (0x2);
-       hour    = rtc_read (0x3);
-       cent_day= rtc_read (0x4);
-       date    = rtc_read (0x5);
-       month   = rtc_read (0x6);
-       year    = rtc_read (0x7);
-
-       /* UNLock RTC */
-       ccr = rtc_read(0);
-       ccr = ccr & 0xBF;
-       rtc_write(0, ccr);
-
-       debug ( "Get RTC year: %02x month: %02x date: %02x cent_day: %02x "
-               "hr: %02x min: %02x sec: %02x\n",
-               year, month, date, cent_day,
-               hour, min, sec );
-
-       tmp->tm_sec  = bcd2bin (sec  & 0x7F);
-       tmp->tm_min  = bcd2bin (min  & 0x7F);
-       tmp->tm_hour = bcd2bin (hour & 0x3F);
-       tmp->tm_mday = bcd2bin (date & 0x3F);
-       tmp->tm_mon  = bcd2bin (month & 0x1F);
-       tmp->tm_year = bcd2bin (year) + ((cent_day & 0x10) ? 2000 : 1900);
-       tmp->tm_wday = bcd2bin (cent_day & 0x07);
-       tmp->tm_yday = 0;
-       tmp->tm_isdst= 0;
-
-       debug ( "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);
-}
-
-void rtc_set (struct rtc_time *tmp)
-{
-       uchar ccr;                      /* Clock control register */
-       uchar century;
-
-       debug ( "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);
-
-       /* Lock RTC for write using clock control register */
-       ccr = rtc_read(0);
-       ccr = ccr | 0x80;
-       rtc_write(0, ccr);
-
-       rtc_write (0x07, bin2bcd(tmp->tm_year % 100));
-       rtc_write (0x06, bin2bcd(tmp->tm_mon));
-       rtc_write (0x05, bin2bcd(tmp->tm_mday));
-
-       century = ((tmp->tm_year >= 2000) ? 0x10 : 0) | 0x20;
-       rtc_write (0x04, bin2bcd(tmp->tm_wday) | century);
-
-       rtc_write (0x03, bin2bcd(tmp->tm_hour));
-       rtc_write (0x02, bin2bcd(tmp->tm_min ));
-       rtc_write (0x01, bin2bcd(tmp->tm_sec ));
-
-       /* UNLock RTC */
-       ccr = rtc_read(0);
-       ccr = ccr & 0x7F;
-       rtc_write(0, ccr);
-}
-
-void rtc_reset (void)
-{
-       uchar val;
-
-       /* Clear all clock control registers */
-       rtc_write (0x0, 0x80);          /* No Read Lock or calibration */
-
-       /* Clear stop bit */
-       val = rtc_read (0x1);
-       val &= 0x7f;
-       rtc_write(0x1, val);
-
-       /* Enable century / disable frequency test */
-       val = rtc_read (0x4);
-       val = (val & 0xBF) | 0x20;
-       rtc_write(0x4, val);
-
-       /* Clear write lock */
-       rtc_write(0x0, 0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-static uchar rtc_read (uchar reg)
-{
-       uchar val;
-       val = *(unsigned char *)
-               ((CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE - 8) + reg);
-       return val;
-}
-
-static void rtc_write (uchar reg, uchar val)
-{
-       *(unsigned char *)
-               ((CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE - 8) + 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