X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Frtc%2Fm48t35ax.c;h=021b91f7313c7093731a65fa47914bdf52c3d4be;hb=4f2532c4a4a34f0241ef9bc921044772f19f928d;hp=be29279d0336e3058864c62d4ef27ebbd96a59e9;hpb=47310715f4316a3677b206acf9f83adb7949ecd1;p=u-boot diff --git a/drivers/rtc/m48t35ax.c b/drivers/rtc/m48t35ax.c index be29279d03..021b91f731 100644 --- a/drivers/rtc/m48t35ax.c +++ b/drivers/rtc/m48t35ax.c @@ -2,23 +2,7 @@ * (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 + * SPDX-License-Identifier: GPL-2.0+ */ /* @@ -33,12 +17,10 @@ #include #include -#if defined(CONFIG_RTC_M48T35A) && defined(CONFIG_CMD_DATE) +#if 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); /* ------------------------------------------------------------------------- */ @@ -87,7 +69,7 @@ int rtc_get (struct rtc_time *tmp) return 0; } -void rtc_set (struct rtc_time *tmp) +int rtc_set (struct rtc_time *tmp) { uchar ccr; /* Clock control register */ uchar century; @@ -116,6 +98,8 @@ void rtc_set (struct rtc_time *tmp) ccr = rtc_read(0); ccr = ccr & 0x7F; rtc_write(0, ccr); + + return 0; } void rtc_reset (void) @@ -145,24 +129,14 @@ static uchar rtc_read (uchar reg) { uchar val; val = *(unsigned char *) - ((CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE - 8) + reg); + ((CONFIG_SYS_NVRAM_BASE_ADDR + CONFIG_SYS_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)); + ((CONFIG_SYS_NVRAM_BASE_ADDR + CONFIG_SYS_NVRAM_SIZE - 8) + reg) = val; } #endif