X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Frtc%2Fds164x.c;h=b9133544285945ebd7838dd53e53c860d6591fc8;hb=d77af8a8c9f75cb8ffe7804dfe0c999cc727afdd;hp=5943f8711df003e788d0733f90c18c22b20cf487;hpb=493a2b1dc97367e904bf83869501f6290f3b374e;p=u-boot diff --git a/drivers/rtc/ds164x.c b/drivers/rtc/ds164x.c index 5943f8711d..b913354428 100644 --- a/drivers/rtc/ds164x.c +++ b/drivers/rtc/ds164x.c @@ -7,23 +7,7 @@ * * 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+ */ /* @@ -37,19 +21,17 @@ #include -#if defined(CONFIG_RTC_DS164x) && 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_EPOCH 2000 /* century */ /* * DS164x registers layout */ -#define RTC_BASE ( CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE ) +#define RTC_BASE ( CONFIG_SYS_NVRAM_BASE_ADDR + CONFIG_SYS_NVRAM_SIZE ) #define RTC_YEAR ( RTC_BASE + 0x07 ) #define RTC_MONTH ( RTC_BASE + 0x06 ) @@ -119,7 +101,7 @@ 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; @@ -145,6 +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) @@ -189,14 +173,4 @@ 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