X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Frtc%2Fds1556.c;h=687b32937a088586ebededbc9423b1174b14877c;hb=d677b00cb62a4cf4d4a24468f218581b4f57c2fe;hp=4365cfb9813c39ba36faf45c84b88ba1d7e19187;hpb=f743931f9b4d4e15c9bdfe726bef033ea1f1402c;p=u-boot diff --git a/drivers/rtc/ds1556.c b/drivers/rtc/ds1556.c index 4365cfb981..687b32937a 100644 --- a/drivers/rtc/ds1556.c +++ b/drivers/rtc/ds1556.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2002 * ARIO Data Networks, Inc. dchiu@ariodata.com @@ -6,24 +7,6 @@ * Frank Panno , Delphin Technology AG * * 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 */ /* @@ -36,15 +19,12 @@ #include #include - -#if defined(CONFIG_RTC_DS1556) && defined(CONFIG_CMD_DATE) +#if defined(CONFIG_CMD_DATE) 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 + 0xf ) #define RTC_MONTH ( RTC_BASE + 0xe ) @@ -69,7 +49,7 @@ static unsigned bcd2bin(uchar c); /* ------------------------------------------------------------------------- */ -void rtc_get( struct rtc_time *tmp ) +int rtc_get( struct rtc_time *tmp ) { uchar sec, min, hour; uchar mday, wday, mon, year; @@ -118,9 +98,10 @@ void rtc_get( struct rtc_time *tmp ) tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, tmp->tm_hour, tmp->tm_min, tmp->tm_sec ); #endif + return 0; } -void rtc_set( struct rtc_time *tmp ) +int rtc_set( struct rtc_time *tmp ) { uchar reg_a; #ifdef RTC_DEBUG @@ -146,6 +127,8 @@ 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) @@ -193,14 +176,4 @@ static void rtc_write( unsigned int addr, uchar val ) *(volatile unsigned char*)(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