diff options
| author | TsiChung Liew <Tsi-Chung.Liew@freescale.com> | 2007-06-18 13:50:13 -0500 | 
|---|---|---|
| committer | John Rigby <jrigby@freescale.com> | 2007-06-18 15:17:56 -0600 | 
| commit | 8e585f02f82c17cc66cd229dbf0fd3066bbbf658 (patch) | |
| tree | 9483ff1f96ab9208eeac92101a5c6db855fcd2ee /rtc | |
| parent | 9912121f7ed804ea58fd62f3f230b5dcfc357d88 (diff) | |
| download | olio-uboot-2014.01-8e585f02f82c17cc66cd229dbf0fd3066bbbf658.tar.xz olio-uboot-2014.01-8e585f02f82c17cc66cd229dbf0fd3066bbbf658.zip | |
Added M5329AFEE and M5329BFEE Platforms
Added board/freescale/m5329evb, cpu/mcf532x, drivers/net,
drivers/serial,  immap_5329.h, m5329.h, mcfrtc.h,
include/configs/M5329EVB.h, lib_m68k/interrupts.c, and
rtc/mcfrtc.c
Modified CREDITS, MAKEFILE, Makefile, README, common/cmd_bdinfo.c,
common/cmd_mii.c, include/asm-m68k/byteorder.h, include/asm-m68k/fec.h,
include/asm-m68k/io.h, include/asm-m68k/mcftimer.h,
include/asm-m68k/mcfuart.h, include/asm-m68k/ptrace.h,
include/asm-m68k/u-boot.h, lib_m68k/Makefile, lib_m68k/board.c,
lib_m68k/time.c, net/eth.c and rtc/Makefile
Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
Diffstat (limited to 'rtc')
| -rw-r--r-- | rtc/Makefile | 3 | ||||
| -rw-r--r-- | rtc/mcfrtc.c | 120 | 
2 files changed, 122 insertions, 1 deletions
| diff --git a/rtc/Makefile b/rtc/Makefile index 96c68c0ce..2e6f3bddd 100644 --- a/rtc/Makefile +++ b/rtc/Makefile @@ -31,7 +31,8 @@ COBJS	= date.o   \  	  bf5xx_rtc.o ds12887.o ds1302.o ds1306.o ds1307.o \  	  ds1337.o ds1374.o ds1556.o ds164x.o ds174x.o ds3231.o \  	  m41t11.o max6900.o m48t35ax.o mc146818.o mk48t59.o \ -	  mpc5xxx.o mpc8xx.o pcf8563.o s3c24x0_rtc.o rs5c372.o +	  mpc5xxx.o mpc8xx.o pcf8563.o s3c24x0_rtc.o rs5c372.o \ +	  mcfrtc.o  SRCS	:= $(COBJS:.o=.c)  OBJS	:= $(addprefix $(obj),$(COBJS)) diff --git a/rtc/mcfrtc.c b/rtc/mcfrtc.c new file mode 100644 index 000000000..c7eb53fb4 --- /dev/null +++ b/rtc/mcfrtc.c @@ -0,0 +1,120 @@ +/* + * (C) Copyright 2007 + * Freescale Semiconductor Tsi-Chung.Liew@freescale.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 + */ + +#include <common.h> +#include <command.h> +#include <rtc.h> + +#include <asm/mcfrtc.h> + +#if defined(CONFIG_MCFRTC) && (CONFIG_COMMANDS & CFG_CMD_DATE) + +#undef RTC_DEBUG + +#ifndef CFG_MCFRTC_BASE +#error RTC_BASE is not defined! +#endif + +#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) +#define	STARTOFTIME		1970 + +void rtc_get(struct rtc_time *tmp) +{ +	volatile rtc_t *rtc = (rtc_t *) (CFG_MCFRTC_BASE); + +	int rtc_days, rtc_hrs, rtc_mins; +	int tim; + +	rtc_days = rtc->days; +	rtc_hrs = rtc->hourmin >> 8; +	rtc_mins = RTC_HOURMIN_MINUTES(rtc->hourmin); + +	tim = (rtc_days * 24) + rtc_hrs; +	tim = (tim * 60) + rtc_mins; +	tim = (tim * 60) + rtc->seconds; + +	to_tm(tim, tmp); + +	tmp->tm_yday = 0; +	tmp->tm_isdst = 0; + +#ifdef RTC_DEBUG +	printf("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); +#endif +} + +void rtc_set(struct rtc_time *tmp) +{ +	volatile rtc_t *rtc = (rtc_t *) (CFG_MCFRTC_BASE); + +	static int month_days[12] = { +		31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 +	}; +	int days, i, months; + +	if (tmp->tm_year > 2037) { +		printf("Unable to handle. Exceeding integer limitation!\n"); +		tmp->tm_year = 2027; +	} +#ifdef RTC_DEBUG +	printf("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); +#endif + +	/* calculate days by years */ +	for (i = STARTOFTIME, days = 0; i < tmp->tm_year; i++) { +		days += 365 + isleap(i); +	} + +	/* calculate days by months */ +	months = tmp->tm_mon - 1; +	for (i = 0; i < months; i++) { +		days += month_days[i]; + +		if (i == 1) +			days += isleap(i); +	} + +	days += tmp->tm_mday - 1; + +	rtc->days = days; +	rtc->hourmin = (tmp->tm_hour << 8) | tmp->tm_min; +	rtc->seconds = tmp->tm_sec; +} + +void rtc_reset(void) +{ +	volatile rtc_t *rtc = (rtc_t *) (CFG_MCFRTC_BASE); + +	if ((rtc->cr & RTC_CR_EN) == 0) { +		printf("real-time-clock was stopped. Now starting...\n"); +		rtc->cr |= RTC_CR_EN; +	} + +	rtc->cr |= RTC_CR_SWR; +} + +#endif				/* CONFIG_MCFRTC && CFG_CMD_DATE */ |