nand: lpc32xx: add SLC NAND controller support

[karo-tx-uboot.git] / drivers / rtc / ds174x.c

diff --git a/drivers/rtc/ds174x.c b/drivers/rtc/ds174x.c
index 3f486b1b4d927582d3c69da1cdab41c31deded73..fc073e075e43032fcb05d4cfca2dffaeb8b4d30d 100644 (file)
--- a/drivers/rtc/ds174x.c
+++ b/drivers/rtc/ds174x.c
@@ -4,23 +4,7 @@
  *
  * Based on MontaVista DS1743 code and U-Boot mc146818 code
  *
- * 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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /*
@@ -37,10 +21,8 @@
 
 static uchar rtc_read( unsigned int addr );
 static void  rtc_write( unsigned int addr, uchar val);
-static uchar bin2bcd   (unsigned int n);
-static unsigned bcd2bin(uchar c);
 
-#define RTC_BASE               ( CFG_NVRAM_SIZE + CFG_NVRAM_BASE_ADDR )
+#define RTC_BASE               ( CONFIG_SYS_NVRAM_SIZE + CONFIG_SYS_NVRAM_BASE_ADDR )
 
 #define RTC_YEAR               ( RTC_BASE + 7 )
 #define RTC_MONTH              ( RTC_BASE + 6 )
@@ -117,7 +99,7 @@ int rtc_get( struct rtc_time *tmp )
        return 0;
 }
 
-void rtc_set( struct rtc_time *tmp )
+int rtc_set( struct rtc_time *tmp )
 {
        uchar reg_a;
 #ifdef RTC_DEBUG
@@ -143,6 +125,8 @@ void rtc_set( struct rtc_time *tmp )
 
        /* unlock clock registers after read */
        rtc_write( RTC_CONTROLA, ( reg_a  & ~RTC_CA_WRITE ));
+
+       return 0;
 }
 
 void rtc_reset (void)
@@ -190,14 +174,4 @@ static void rtc_write( unsigned int addr, uchar val )
        out8( addr, 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