drivers/rtc : move rtc drivers to drivers/rtc

[karo-tx-uboot.git] / rtc / max6900.c

diff --git a/rtc/max6900.c b/rtc/max6900.c
deleted file mode 100644 (file)
index c75a8e0..0000000
--- a/rtc/max6900.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * (C) Copyright 2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.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 for MAXIM MAX6900 RTC
- */
-
-/* #define     DEBUG   */
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-#include <i2c.h>
-
-#if defined(CONFIG_RTC_MAX6900) && defined(CONFIG_CMD_DATE)
-
-#ifndef        CFG_I2C_RTC_ADDR
-#define        CFG_I2C_RTC_ADDR        0x50
-#endif
-
-/* ------------------------------------------------------------------------- */
-
-static uchar rtc_read (uchar reg)
-{
-       return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg));
-}
-
-static void rtc_write (uchar reg, uchar val)
-{
-       i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val);
-       udelay(2500);
-}
-
-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)
-{
-       uchar sec, min, hour, mday, wday, mon, cent, year;
-       int retry = 1;
-
-       do {
-               sec     = rtc_read (0x80);
-               min     = rtc_read (0x82);
-               hour    = rtc_read (0x84);
-               mday    = rtc_read (0x86);
-               mon     = rtc_read (0x88);
-               wday    = rtc_read (0x8a);
-               year    = rtc_read (0x8c);
-               cent    = rtc_read (0x92);
-               /*
-                * Check for seconds rollover
-                */
-               if ((sec != 59) || (rtc_read(0x80) == sec)){
-                       retry = 0;
-               }
-       } while (retry);
-
-       debug ( "Get RTC year: %02x mon: %02x cent: %02x mday: %02x wday: %02x "
-               "hr: %02x min: %02x sec: %02x\n",
-               year, mon, cent, mday, wday,
-               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 (mday & 0x3F);
-       tmp->tm_mon  = bcd2bin (mon & 0x1F);
-       tmp->tm_year = bcd2bin (year) + bcd2bin(cent) * 100;
-       tmp->tm_wday = bcd2bin (wday & 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)
-{
-
-       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);
-
-       rtc_write (0x9E, 0x00);
-       rtc_write (0x80, 0);    /* Clear seconds to ensure no rollover */
-       rtc_write (0x92, bin2bcd(tmp->tm_year / 100));
-       rtc_write (0x8c, bin2bcd(tmp->tm_year % 100));
-       rtc_write (0x8a, bin2bcd(tmp->tm_wday));
-       rtc_write (0x88, bin2bcd(tmp->tm_mon));
-       rtc_write (0x86, bin2bcd(tmp->tm_mday));
-       rtc_write (0x84, bin2bcd(tmp->tm_hour));
-       rtc_write (0x82, bin2bcd(tmp->tm_min ));
-       rtc_write (0x80, bin2bcd(tmp->tm_sec ));
-}
-
-void rtc_reset (void)
-{
-}
-
-#endif