diff options
Diffstat (limited to 'rtc')
| -rw-r--r-- | rtc/Makefile | 70 | ||||
| -rw-r--r-- | rtc/bf5xx_rtc.c | 143 | ||||
| -rw-r--r-- | rtc/date.c | 156 | ||||
| -rw-r--r-- | rtc/ds12887.c | 238 | ||||
| -rw-r--r-- | rtc/ds1302.c | 327 | ||||
| -rw-r--r-- | rtc/ds1306.c | 438 | ||||
| -rw-r--r-- | rtc/ds1307.c | 204 | ||||
| -rw-r--r-- | rtc/ds1337.c | 191 | ||||
| -rw-r--r-- | rtc/ds1374.c | 253 | ||||
| -rw-r--r-- | rtc/ds1556.c | 206 | ||||
| -rw-r--r-- | rtc/ds164x.c | 200 | ||||
| -rw-r--r-- | rtc/ds174x.c | 202 | ||||
| -rw-r--r-- | rtc/ds3231.c | 193 | ||||
| -rw-r--r-- | rtc/m41t11.c | 202 | ||||
| -rw-r--r-- | rtc/m48t35ax.c | 166 | ||||
| -rw-r--r-- | rtc/max6900.c | 131 | ||||
| -rw-r--r-- | rtc/mc146818.c | 178 | ||||
| -rw-r--r-- | rtc/mcfrtc.c | 121 | ||||
| -rw-r--r-- | rtc/mk48t59.c | 237 | ||||
| -rw-r--r-- | rtc/mpc5xxx.c | 140 | ||||
| -rw-r--r-- | rtc/mpc8xx.c | 73 | ||||
| -rw-r--r-- | rtc/pcf8563.c | 144 | ||||
| -rw-r--r-- | rtc/rs5c372.c | 302 | ||||
| -rw-r--r-- | rtc/s3c24x0_rtc.c | 178 |
24 files changed, 0 insertions, 4693 deletions
diff --git a/rtc/Makefile b/rtc/Makefile deleted file mode 100644 index 4a22b0d..0000000 --- a/rtc/Makefile +++ /dev/null @@ -1,70 +0,0 @@ -# -# (C) Copyright 2001-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# 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 $(TOPDIR)/config.mk - -#CFLAGS += -DDEBUG - -LIB = $(obj)librtc.a - -COBJS-y += date.o -COBJS-y += bf5xx_rtc.o -COBJS-y += ds12887.o -COBJS-y += ds1302.o -COBJS-y += ds1306.o -COBJS-y += ds1307.o -COBJS-y += ds1337.o -COBJS-y += ds1374.o -COBJS-y += ds1556.o -COBJS-y += ds164x.o -COBJS-y += ds174x.o -COBJS-y += ds3231.o -COBJS-y += m41t11.o -COBJS-y += max6900.o -COBJS-y += m48t35ax.o -COBJS-y += mc146818.o -COBJS-y += mk48t59.o -COBJS-y += mpc5xxx.o -COBJS-y += mpc8xx.o -COBJS-y += pcf8563.o -COBJS-y += s3c24x0_rtc.o -COBJS-y += rs5c372.o -COBJS-y += mcfrtc.o - -COBJS := $(COBJS-y) -SRCS := $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) - -all: $(LIB) - -$(LIB): $(obj).depend $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/rtc/bf5xx_rtc.c b/rtc/bf5xx_rtc.c deleted file mode 100644 index 8856bb9..0000000 --- a/rtc/bf5xx_rtc.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 - * Real Time Clock interface of ADI21535 (Blackfin) for uCLinux - * - * Copyright (C) 2003 Motorola Corporation. All rights reserved. - * Richard Xiao (A2590C@email.mot.com) - * - * Copyright (C) 1996 Paul Gortmaker - * - * - * Based on other minimal char device drivers, like Alan's - * watchdog, Ted's random, etc. etc. - * - * 1.07 Paul Gortmaker. - * 1.08 Miquel van Smoorenburg: disallow certain things on the - * DEC Alpha as the CMOS clock is also used for other things. - * 1.09 Nikita Schmidt: epoch support and some Alpha cleanup. - * 1.09a Pete Zaitcev: Sun SPARC - * 1.09b Jeff Garzik: Modularize, init cleanup - * 1.09c Jeff Garzik: SMP cleanup - * 1.10 Paul Barton-Davis: add support for async I/O - * 1.10a Andrea Arcangeli: Alpha updates - * 1.10b Andrew Morton: SMP lock fix - * 1.10c Cesar Barros: SMP locking fixes and cleanup - * 1.10d Paul Gortmaker: delete paranoia check in rtc_exit - * 1.10e LG Soft India: Register access is different in BF533. - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> - -#if defined(CONFIG_RTC_BFIN) && defined(CONFIG_CMD_DATE) - -#include <asm/blackfin.h> -#include <asm/arch/bf5xx_rtc.h> - -void rtc_reset(void) -{ - return; /* nothing to do */ -} - -/* Wait for pending writes to complete */ -void wait_for_complete(void) -{ - while (!(*(volatile unsigned short *)RTC_ISTAT & 0x8000)) { - printf(""); - } - *(volatile unsigned short *)RTC_ISTAT = 0x8000; -} - -/* Enable the RTC prescaler enable register */ -void rtc_init() -{ - *(volatile unsigned short *)RTC_PREN = 0x1; - wait_for_complete(); -} - -/* Set the time. Get the time_in_secs which is the number of seconds since Jan 1970 and set the RTC registers - * based on this value. - */ -void rtc_set(struct rtc_time *tmp) -{ - unsigned long n_days_1970 = 0; - unsigned long n_secs_rem = 0; - unsigned long n_hrs = 0; - unsigned long n_mins = 0; - unsigned long n_secs = 0; - unsigned long time_in_secs; - - if (tmp == NULL) { - printf("Error setting the date/time \n"); - return; - } - - time_in_secs = - mktime(tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_hour, - tmp->tm_min, tmp->tm_sec); - - /* Compute no. of days since 1970 */ - n_days_1970 = (unsigned long)(time_in_secs / (NUM_SECS_IN_DAY)); - - /* From the remining secs, compute the hrs(0-23), mins(0-59) and secs(0-59) */ - n_secs_rem = (unsigned long)(time_in_secs % (NUM_SECS_IN_DAY)); - n_hrs = n_secs_rem / (NUM_SECS_IN_HOUR); - n_secs_rem = n_secs_rem % (NUM_SECS_IN_HOUR); - n_mins = n_secs_rem / (NUM_SECS_IN_MIN); - n_secs = n_secs_rem % (NUM_SECS_IN_MIN); - - /* Store the new time in the RTC_STAT register */ - *(volatile unsigned long *)RTC_STAT = - ((n_days_1970 << DAY_BITS_OFF) | (n_hrs << HOUR_BITS_OFF) | - (n_mins << MIN_BITS_OFF) | (n_secs << SEC_BITS_OFF)); - - wait_for_complete(); -} - -/* Read the time from the RTC_STAT. time_in_seconds is seconds since Jan 1970 */ -void rtc_get(struct rtc_time *tmp) -{ - unsigned long cur_rtc_stat = 0; - unsigned long time_in_sec; - unsigned long tm_sec = 0, tm_min = 0, tm_hour = 0, tm_day = 0; - - if (tmp == NULL) { - printf("Error getting the date/time \n"); - return; - } - - /* Read the RTC_STAT register */ - cur_rtc_stat = *(volatile unsigned long *)RTC_STAT; - - /* Get the secs (0-59), mins (0-59), hrs (0-23) and the days since Jan 1970 */ - tm_sec = (cur_rtc_stat >> SEC_BITS_OFF) & 0x3f; - tm_min = (cur_rtc_stat >> MIN_BITS_OFF) & 0x3f; - tm_hour = (cur_rtc_stat >> HOUR_BITS_OFF) & 0x1f; - tm_day = (cur_rtc_stat >> DAY_BITS_OFF) & 0x7fff; - - /* Calculate the total number of seconds since Jan 1970 */ - time_in_sec = (tm_sec) + - MIN_TO_SECS(tm_min) + HRS_TO_SECS(tm_hour) + DAYS_TO_SECS(tm_day); - to_tm(time_in_sec, tmp); -} -#endif diff --git a/rtc/date.c b/rtc/date.c deleted file mode 100644 index a83a723..0000000 --- a/rtc/date.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 - */ - -/* - * Date & Time support for Philips PCF8563 RTC - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> - -#if defined(CONFIG_CMD_DATE) || defined(CONFIG_TIMESTAMP) - -#define FEBRUARY 2 -#define STARTOFTIME 1970 -#define SECDAY 86400L -#define SECYR (SECDAY * 365) -#define leapyear(year) ((year) % 4 == 0) -#define days_in_year(a) (leapyear(a) ? 366 : 365) -#define days_in_month(a) (month_days[(a) - 1]) - -static int month_days[12] = { - 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 -}; - -/* - * This only works for the Gregorian calendar - i.e. after 1752 (in the UK) - */ -void GregorianDay(struct rtc_time * tm) -{ - int leapsToDate; - int lastYear; - int day; - int MonthOffset[] = { 0,31,59,90,120,151,181,212,243,273,304,334 }; - - lastYear=tm->tm_year-1; - - /* - * Number of leap corrections to apply up to end of last year - */ - leapsToDate = lastYear/4 - lastYear/100 + lastYear/400; - - /* - * This year is a leap year if it is divisible by 4 except when it is - * divisible by 100 unless it is divisible by 400 - * - * e.g. 1904 was a leap year, 1900 was not, 1996 is, and 2000 will be - */ - if((tm->tm_year%4==0) && - ((tm->tm_year%100!=0) || (tm->tm_year%400==0)) && - (tm->tm_mon>2)) { - /* - * We are past Feb. 29 in a leap year - */ - day=1; - } else { - day=0; - } - - day += lastYear*365 + leapsToDate + MonthOffset[tm->tm_mon-1] + tm->tm_mday; - - tm->tm_wday=day%7; -} - -void to_tm(int tim, struct rtc_time * tm) -{ - register int i; - register long hms, day; - - day = tim / SECDAY; - hms = tim % SECDAY; - - /* Hours, minutes, seconds are easy */ - tm->tm_hour = hms / 3600; - tm->tm_min = (hms % 3600) / 60; - tm->tm_sec = (hms % 3600) % 60; - - /* Number of years in days */ - for (i = STARTOFTIME; day >= days_in_year(i); i++) { - day -= days_in_year(i); - } - tm->tm_year = i; - - /* Number of months in days left */ - if (leapyear(tm->tm_year)) { - days_in_month(FEBRUARY) = 29; - } - for (i = 1; day >= days_in_month(i); i++) { - day -= days_in_month(i); - } - days_in_month(FEBRUARY) = 28; - tm->tm_mon = i; - - /* Days are what is left over (+1) from all that. */ - tm->tm_mday = day + 1; - - /* - * Determine the day of week - */ - GregorianDay(tm); -} - -/* Converts Gregorian date to seconds since 1970-01-01 00:00:00. - * Assumes input in normal date format, i.e. 1980-12-31 23:59:59 - * => year=1980, mon=12, day=31, hour=23, min=59, sec=59. - * - * [For the Julian calendar (which was used in Russia before 1917, - * Britain & colonies before 1752, anywhere else before 1582, - * and is still in use by some communities) leave out the - * -year/100+year/400 terms, and add 10.] - * - * This algorithm was first published by Gauss (I think). - * - * WARNING: this function will overflow on 2106-02-07 06:28:16 on - * machines were long is 32-bit! (However, as time_t is signed, we - * will already get problems at other places on 2038-01-19 03:14:08) - */ -unsigned long -mktime (unsigned int year, unsigned int mon, - unsigned int day, unsigned int hour, - unsigned int min, unsigned int sec) -{ - if (0 >= (int) (mon -= 2)) { /* 1..12 -> 11,12,1..10 */ - mon += 12; /* Puts Feb last since it has leap day */ - year -= 1; - } - - return ((( - (unsigned long) (year/4 - year/100 + year/400 + 367*mon/12 + day) + - year*365 - 719499 - )*24 + hour /* now have hours */ - )*60 + min /* now have minutes */ - )*60 + sec; /* finally seconds */ -} - -#endif diff --git a/rtc/ds12887.c b/rtc/ds12887.c deleted file mode 100644 index 84fecf0..0000000 --- a/rtc/ds12887.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * (C) Copyright 2003 - * - * 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 - */ - -/* - * Date & Time support for the DS12887 RTC - */ - -#undef RTC_DEBUG - -#include <common.h> -#include <command.h> -#include <config.h> -#include <rtc.h> - -#if defined(CONFIG_RTC_DS12887) && defined(CONFIG_CMD_DATE) - -#define RTC_SECONDS 0x00 -#define RTC_SECONDS_ALARM 0x01 -#define RTC_MINUTES 0x02 -#define RTC_MINUTES_ALARM 0x03 -#define RTC_HOURS 0x04 -#define RTC_HOURS_ALARM 0x05 -#define RTC_DAY_OF_WEEK 0x06 -#define RTC_DATE_OF_MONTH 0x07 -#define RTC_MONTH 0x08 -#define RTC_YEAR 0x09 -#define RTC_CONTROL_A 0x0A -#define RTC_CONTROL_B 0x0B -#define RTC_CONTROL_C 0x0C -#define RTC_CONTROL_D 0x0D - -#define RTC_CA_UIP 0x80 -#define RTC_CB_DM 0x04 -#define RTC_CB_24_12 0x02 -#define RTC_CB_SET 0x80 - -#if defined(CONFIG_ATC) - -static uchar rtc_read (uchar reg) -{ - uchar val; - - *(volatile unsigned char*)(RTC_PORT_ADDR) = reg; - __asm__ __volatile__ ("sync"); - - val = *(volatile unsigned char*)(RTC_PORT_DATA); - return (val); -} - -static void rtc_write (uchar reg, uchar val) -{ - *(volatile unsigned char*)(RTC_PORT_ADDR) = reg; - __asm__ __volatile__ ("sync"); - - *(volatile unsigned char*)(RTC_PORT_DATA) = val; - __asm__ __volatile__ ("sync"); -} - -#else -# error Board specific rtc access functions should be supplied -#endif - -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)); -} - -/* ------------------------------------------------------------------------- */ - -void rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, mday, wday, mon, year; - - /* check if rtc is available for access */ - while( rtc_read(RTC_CONTROL_A) & RTC_CA_UIP) - ; - - sec = rtc_read(RTC_SECONDS); - min = rtc_read(RTC_MINUTES); - hour = rtc_read(RTC_HOURS); - mday = rtc_read(RTC_DATE_OF_MONTH); - wday = rtc_read(RTC_DAY_OF_WEEK); - mon = rtc_read(RTC_MONTH); - year = rtc_read(RTC_YEAR); - -#ifdef RTC_DEBUG - printf( "Get RTC year: %d; mon: %d; mday: %d; wday: %d; " - "hr: %d; min: %d; sec: %d\n", - year, mon, mday, wday, hour, min, sec ); - - printf ( "Alarms: hour: %02x min: %02x sec: %02x\n", - rtc_read (RTC_HOURS_ALARM), - rtc_read (RTC_MINUTES_ALARM), - rtc_read (RTC_SECONDS_ALARM) ); -#endif - - if( !(rtc_read(RTC_CONTROL_B) & RTC_CB_DM)) - { /* Information is in BCD format */ -printf(" Get: Convert BSD to BIN\n"); - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon & 0x1F); - tmp->tm_year = bcd2bin (year); - tmp->tm_wday = bcd2bin (wday & 0x07); - } -else - { - tmp->tm_sec = sec & 0x7F; - tmp->tm_min = min & 0x7F; - tmp->tm_hour = hour & 0x3F; - tmp->tm_mday = mday & 0x3F; - tmp->tm_mon = mon & 0x1F; - tmp->tm_year = year; - tmp->tm_wday = wday & 0x07; - } - - - if(tmp->tm_year<70) - tmp->tm_year+=2000; - else - tmp->tm_year+=1900; - - 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) -{ - uchar save_ctrl_b; - uchar sec, min, hour, mday, wday, mon, year; - -#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 - - if( !(rtc_read(RTC_CONTROL_B) & RTC_CB_DM)) - { /* Information is in BCD format */ - year = bin2bcd(tmp->tm_year % 100); - mon = bin2bcd(tmp->tm_mon); - wday = bin2bcd(tmp->tm_wday); - mday = bin2bcd(tmp->tm_mday); - hour = bin2bcd(tmp->tm_hour); - min = bin2bcd(tmp->tm_min); - sec = bin2bcd(tmp->tm_sec); - } - else - { - year = tmp->tm_year % 100; - mon = tmp->tm_mon; - wday = tmp->tm_wday; - mday = tmp->tm_mday; - hour = tmp->tm_hour; - min = tmp->tm_min; - sec = tmp->tm_sec; - } - - /* disables the RTC to update the regs */ - save_ctrl_b = rtc_read(RTC_CONTROL_B); - save_ctrl_b |= RTC_CB_SET; - rtc_write(RTC_CONTROL_B, save_ctrl_b); - - rtc_write (RTC_YEAR, year); - rtc_write (RTC_MONTH, mon); - rtc_write (RTC_DAY_OF_WEEK, wday); - rtc_write (RTC_DATE_OF_MONTH, mday); - rtc_write (RTC_HOURS, hour); - rtc_write (RTC_MINUTES, min); - rtc_write (RTC_SECONDS, sec); - - /* enables the RTC to update the regs */ - save_ctrl_b &= ~RTC_CB_SET; - rtc_write(RTC_CONTROL_B, save_ctrl_b); -} - -void rtc_reset (void) -{ - struct rtc_time tmp; - uchar ctrl_rg; - - ctrl_rg = RTC_CB_SET; - rtc_write(RTC_CONTROL_B,ctrl_rg); - - tmp.tm_year = 1970 % 100; - tmp.tm_mon = 1; - tmp.tm_mday= 1; - tmp.tm_hour = 0; - tmp.tm_min = 0; - tmp.tm_sec = 0; - -#ifdef RTC_DEBUG - printf ( "RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n", - tmp.tm_year, tmp.tm_mon, tmp.tm_mday, - tmp.tm_hour, tmp.tm_min, tmp.tm_sec); -#endif - - ctrl_rg = RTC_CB_SET | RTC_CB_24_12 | RTC_CB_DM; - rtc_write(RTC_CONTROL_B,ctrl_rg); - rtc_set(&tmp); - - rtc_write(RTC_HOURS_ALARM, 0), - rtc_write(RTC_MINUTES_ALARM, 0), - rtc_write(RTC_SECONDS_ALARM, 0); - - ctrl_rg = RTC_CB_24_12 | RTC_CB_DM; - rtc_write(RTC_CONTROL_B,ctrl_rg); -} - -#endif diff --git a/rtc/ds1302.c b/rtc/ds1302.c deleted file mode 100644 index 55af130..0000000 --- a/rtc/ds1302.c +++ /dev/null @@ -1,327 +0,0 @@ -/* - * ds1302.c - Support for the Dallas Semiconductor DS1302 Timekeeping Chip - * - * Rex G. Feany <rfeany@zumanetworks.com> - * - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> - -#if defined(CONFIG_RTC_DS1302) && defined(CONFIG_CMD_DATE) - -/* GPP Pins */ -#define DATA 0x200 -#define SCLK 0x400 -#define RST 0x800 - -/* Happy Fun Defines(tm) */ -#define RESET rtc_go_low(RST), rtc_go_low(SCLK) -#define N_RESET rtc_go_high(RST), rtc_go_low(SCLK) - -#define CLOCK_HIGH rtc_go_high(SCLK) -#define CLOCK_LOW rtc_go_low(SCLK) - -#define DATA_HIGH rtc_go_high(DATA) -#define DATA_LOW rtc_go_low(DATA) -#define DATA_READ (GTREGREAD(GPP_VALUE) & DATA) - -#undef RTC_DEBUG - -#ifdef RTC_DEBUG -# define DPRINTF(x,args...) printf("ds1302: " x , ##args) -static inline void DUMP(const char *ptr, int num) -{ - while (num--) printf("%x ", *ptr++); - printf("]\n"); -} -#else -# define DPRINTF(x,args...) -# define DUMP(ptr, num) -#endif - -/* time data format for DS1302 */ -struct ds1302_st -{ - unsigned char CH:1; /* clock halt 1=stop 0=start */ - unsigned char sec10:3; - unsigned char sec:4; - - unsigned char zero0:1; - unsigned char min10:3; - unsigned char min:4; - - unsigned char fmt:1; /* 1=12 hour 0=24 hour */ - unsigned char zero1:1; - unsigned char hr10:2; /* 10 (0-2) or am/pm (am/pm, 0-1) */ - unsigned char hr:4; - - unsigned char zero2:2; - unsigned char date10:2; - unsigned char date:4; - - unsigned char zero3:3; - unsigned char month10:1; - unsigned char month:4; - - unsigned char zero4:5; - unsigned char day:3; /* day of week */ - - unsigned char year10:4; - unsigned char year:4; - - unsigned char WP:1; /* write protect 1=protect 0=unprot */ - unsigned char zero5:7; -}; - -static int ds1302_initted=0; - -/* Pin control */ -static inline void -rtc_go_high(unsigned int mask) -{ - unsigned int f = GTREGREAD(GPP_VALUE) | mask; - - GT_REG_WRITE(GPP_VALUE, f); -} - -static inline void -rtc_go_low(unsigned int mask) -{ - unsigned int f = GTREGREAD(GPP_VALUE) & ~mask; - - GT_REG_WRITE(GPP_VALUE, f); -} - -static inline void -rtc_go_input(unsigned int mask) -{ - unsigned int f = GTREGREAD(GPP_IO_CONTROL) & ~mask; - - GT_REG_WRITE(GPP_IO_CONTROL, f); -} - -static inline void -rtc_go_output(unsigned int mask) -{ - unsigned int f = GTREGREAD(GPP_IO_CONTROL) | mask; - - GT_REG_WRITE(GPP_IO_CONTROL, f); -} - -/* Access data in RTC */ - -static void -write_byte(unsigned char b) -{ - int i; - unsigned char mask=1; - - for(i=0;i<8;i++) { - CLOCK_LOW; /* Lower clock */ - (b&mask)?DATA_HIGH:DATA_LOW; /* set data */ - udelay(1); - CLOCK_HIGH; /* latch data with rising clock */ - udelay(1); - mask=mask<<1; - } -} - -static unsigned char -read_byte(void) -{ - int i; - unsigned char mask=1; - unsigned char b=0; - - for(i=0;i<8;i++) { - CLOCK_LOW; - udelay(1); - if (DATA_READ) b|=mask; /* if this bit is high, set in b */ - CLOCK_HIGH; /* clock out next bit */ - udelay(1); - mask=mask<<1; - } - return b; -} - -static void -read_ser_drv(unsigned char addr, unsigned char *buf, int count) -{ - int i; -#ifdef RTC_DEBUG - char *foo = buf; -#endif - - DPRINTF("READ 0x%x bytes @ 0x%x [ ", count, addr); - - addr|=1; /* READ */ - N_RESET; - udelay(4); - write_byte(addr); - rtc_go_input(DATA); /* Put gpp pin into input mode */ - udelay(1); - for(i=0;i<count;i++) *(buf++)=read_byte(); - RESET; - rtc_go_output(DATA);/* Reset gpp for output */ - udelay(4); - - DUMP(foo, count); -} - -static void -write_ser_drv(unsigned char addr, unsigned char *buf, int count) -{ - int i; - - DPRINTF("WRITE 0x%x bytes @ 0x%x [ ", count, addr); - DUMP(buf, count); - - addr&=~1; /* WRITE */ - N_RESET; - udelay(4); - write_byte(addr); - for(i=0;i<count;i++) write_byte(*(buf++)); - RESET; - udelay(4); - -} - -void -rtc_init(void) -{ - struct ds1302_st bbclk; - unsigned char b; - int mod; - - DPRINTF("init\n"); - - rtc_go_output(DATA|SCLK|RST); - - /* disable write protect */ - b = 0; - write_ser_drv(0x8e,&b,1); - - /* enable trickle */ - b = 0xa5; /* 1010.0101 */ - write_ser_drv(0x90,&b,1); - - /* read burst */ - read_ser_drv(0xbe, (unsigned char *)&bbclk, 8); - - /* Sanity checks */ - mod = 0; - if (bbclk.CH) { - printf("ds1302: Clock was halted, starting clock\n"); - bbclk.CH=0; - mod=1; - } - - if (bbclk.fmt) { - printf("ds1302: Clock was in 12 hour mode, fixing\n"); - bbclk.fmt=0; - mod=1; - } - - if (bbclk.year>9) { - printf("ds1302: Year was corrupted, fixing\n"); - bbclk.year10=100/10; /* 2000 - why not? ;) */ - bbclk.year=0; - mod=1; - } - - /* Write out the changes if needed */ - if (mod) { - /* enable write protect */ - bbclk.WP = 1; - write_ser_drv(0xbe,(unsigned char *)&bbclk,8); - } else { - /* Else just turn write protect on */ - b = 0x80; - write_ser_drv(0x8e,&b,1); - } - DPRINTF("init done\n"); - - ds1302_initted=1; -} - -void -rtc_reset(void) -{ - if(!ds1302_initted) rtc_init(); - /* TODO */ -} - -void -rtc_get(struct rtc_time *tmp) -{ - struct ds1302_st bbclk; - - if(!ds1302_initted) rtc_init(); - - read_ser_drv(0xbe,(unsigned char *)&bbclk, 8); /* read burst */ - - if (bbclk.CH) { - printf("ds1302: rtc_get: Clock was halted, clock probably " - "corrupt\n"); - } - - tmp->tm_sec=10*bbclk.sec10+bbclk.sec; - tmp->tm_min=10*bbclk.min10+bbclk.min; - tmp->tm_hour=10*bbclk.hr10+bbclk.hr; - tmp->tm_wday=bbclk.day; - tmp->tm_mday=10*bbclk.date10+bbclk.date; - tmp->tm_mon=10*bbclk.month10+bbclk.month; - tmp->tm_year=10*bbclk.year10+bbclk.year + 1900; - - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - DPRINTF("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 ); -} - -void -rtc_set(struct rtc_time *tmp) -{ - struct ds1302_st bbclk; - unsigned char b=0; - - if(!ds1302_initted) rtc_init(); - - DPRINTF("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); - - memset(&bbclk,0,sizeof(bbclk)); - bbclk.CH=0; /* dont halt */ - bbclk.WP=1; /* write protect when we're done */ - - bbclk.sec10=tmp->tm_sec/10; - bbclk.sec=tmp->tm_sec%10; - - bbclk.min10=tmp->tm_min/10; - bbclk.min=tmp->tm_min%10; - - bbclk.hr10=tmp->tm_hour/10; - bbclk.hr=tmp->tm_hour%10; - - bbclk.day=tmp->tm_wday; - - bbclk.date10=tmp->tm_mday/10; - bbclk.date=tmp->tm_mday%10; - - bbclk.month10=tmp->tm_mon/10; - bbclk.month=tmp->tm_mon%10; - - tmp->tm_year -= 1900; - bbclk.year10=tmp->tm_year/10; - bbclk.year=tmp->tm_year%10; - - write_ser_drv(0x8e,&b,1); /* disable write protect */ - write_ser_drv(0xbe,(unsigned char *)&bbclk, 8); /* write burst */ -} - -#endif diff --git a/rtc/ds1306.c b/rtc/ds1306.c deleted file mode 100644 index 89e433d..0000000 --- a/rtc/ds1306.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * (C) Copyright 2002 SIXNET, dge@sixnetio.com. - * - * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net> - * Stephan Linz <linz@li-pro.net> - * - * 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 - */ - -/* - * Date & Time support for DS1306 RTC using SPI: - * - * - SXNI855T: it uses its own soft SPI here in this file - * - all other: use the external spi_xfer() function - * (see include/spi.h) - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <spi.h> - -#if defined(CONFIG_RTC_DS1306) && defined(CONFIG_CMD_DATE) - -#define RTC_SECONDS 0x00 -#define RTC_MINUTES 0x01 -#define RTC_HOURS 0x02 -#define RTC_DAY_OF_WEEK 0x03 -#define RTC_DATE_OF_MONTH 0x04 -#define RTC_MONTH 0x05 -#define RTC_YEAR 0x06 - -#define RTC_SECONDS_ALARM0 0x07 -#define RTC_MINUTES_ALARM0 0x08 -#define RTC_HOURS_ALARM0 0x09 -#define RTC_DAY_OF_WEEK_ALARM0 0x0a - -#define RTC_SECONDS_ALARM1 0x0b -#define RTC_MINUTES_ALARM1 0x0c -#define RTC_HOURS_ALARM1 0x0d -#define RTC_DAY_OF_WEEK_ALARM1 0x0e - -#define RTC_CONTROL 0x0f -#define RTC_STATUS 0x10 -#define RTC_TRICKLE_CHARGER 0x11 - -#define RTC_USER_RAM_BASE 0x20 - -/* - * External table of chip select functions (see the appropriate board - * support for the actual definition of the table). - */ -extern spi_chipsel_type spi_chipsel[]; -extern int spi_chipsel_cnt; - -static unsigned int bin2bcd (unsigned int n); -static unsigned char bcd2bin (unsigned char c); - -/* ************************************************************************* */ -#ifdef CONFIG_SXNI855T /* !!! SHOULD BE CHANGED TO NEW CODE !!! */ - -static void soft_spi_send (unsigned char n); -static unsigned char soft_spi_read (void); -static void init_spi (void); - -/*----------------------------------------------------------------------- - * Definitions - */ - -#define PB_SPISCK 0x00000002 /* PB 30 */ -#define PB_SPIMOSI 0x00000004 /* PB 29 */ -#define PB_SPIMISO 0x00000008 /* PB 28 */ -#define PB_SPI_CE 0x00010000 /* PB 15 */ - -/* ------------------------------------------------------------------------- */ - -/* read clock time from DS1306 and return it in *tmp */ -void rtc_get (struct rtc_time *tmp) -{ - volatile immap_t *immap = (immap_t *) CFG_IMMR; - unsigned char spi_byte; /* Data Byte */ - - init_spi (); /* set port B for software SPI */ - - /* Now we can enable the DS1306 RTC */ - immap->im_cpm.cp_pbdat |= PB_SPI_CE; - udelay (10); - - /* Shift out the address (0) of the time in the Clock Chip */ - soft_spi_send (0); - - /* Put the clock readings into the rtc_time structure */ - tmp->tm_sec = bcd2bin (soft_spi_read ()); /* Read seconds */ - tmp->tm_min = bcd2bin (soft_spi_read ()); /* Read minutes */ - - /* Hours are trickier */ - spi_byte = soft_spi_read (); /* Read Hours into temporary value */ - if (spi_byte & 0x40) { - /* 12 hour mode bit is set (time is in 1-12 format) */ - if (spi_byte & 0x20) { - /* since PM we add 11 to get 0-23 for hours */ - tmp->tm_hour = (bcd2bin (spi_byte & 0x1F)) + 11; - } else { - /* since AM we subtract 1 to get 0-23 for hours */ - tmp->tm_hour = (bcd2bin (spi_byte & 0x1F)) - 1; - } - } else { - /* Otherwise, 0-23 hour format */ - tmp->tm_hour = (bcd2bin (spi_byte & 0x3F)); - } - - soft_spi_read (); /* Read and discard Day of week */ - tmp->tm_mday = bcd2bin (soft_spi_read ()); /* Read Day of the Month */ - tmp->tm_mon = bcd2bin (soft_spi_read ()); /* Read Month */ - - /* Read Year and convert to this century */ - tmp->tm_year = bcd2bin (soft_spi_read ()) + 2000; - - /* Now we can disable the DS1306 RTC */ - immap->im_cpm.cp_pbdat &= ~PB_SPI_CE; /* Disable DS1306 Chip */ - udelay (10); - - GregorianDay (tmp); /* Determine the day of week */ - - debug ("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); -} - -/* ------------------------------------------------------------------------- */ - -/* set clock time in DS1306 RTC and in MPC8xx RTC */ -void rtc_set (struct rtc_time *tmp) -{ - volatile immap_t *immap = (immap_t *) CFG_IMMR; - - init_spi (); /* set port B for software SPI */ - - /* Now we can enable the DS1306 RTC */ - immap->im_cpm.cp_pbdat |= PB_SPI_CE; /* Enable DS1306 Chip */ - udelay (10); - - /* First disable write protect in the clock chip control register */ - soft_spi_send (0x8F); /* send address of the control register */ - soft_spi_send (0x00); /* send control register contents */ - - /* Now disable the DS1306 to terminate the write */ - immap->im_cpm.cp_pbdat &= ~PB_SPI_CE; - udelay (10); - - /* Now enable the DS1306 to initiate a new write */ - immap->im_cpm.cp_pbdat |= PB_SPI_CE; - udelay (10); - - /* Next, send the address of the clock time write registers */ - soft_spi_send (0x80); /* send address of the first time register */ - - /* Use Burst Mode to send all of the time data to the clock */ - bin2bcd (tmp->tm_sec); - soft_spi_send (bin2bcd (tmp->tm_sec)); /* Send Seconds */ - soft_spi_send (bin2bcd (tmp->tm_min)); /* Send Minutes */ - soft_spi_send (bin2bcd (tmp->tm_hour)); /* Send Hour */ - soft_spi_send (bin2bcd (tmp->tm_wday)); /* Send Day of the Week */ - soft_spi_send (bin2bcd (tmp->tm_mday)); /* Send Day of Month */ - soft_spi_send (bin2bcd (tmp->tm_mon)); /* Send Month */ - soft_spi_send (bin2bcd (tmp->tm_year - 2000)); /* Send Year */ - - /* Now we can disable the Clock chip to terminate the burst write */ - immap->im_cpm.cp_pbdat &= ~PB_SPI_CE; /* Disable DS1306 Chip */ - udelay (10); - - /* Now we can enable the Clock chip to initiate a new write */ - immap->im_cpm.cp_pbdat |= PB_SPI_CE; /* Enable DS1306 Chip */ - udelay (10); - - /* First we Enable write protect in the clock chip control register */ - soft_spi_send (0x8F); /* send address of the control register */ - soft_spi_send (0x40); /* send out Control Register contents */ - - /* Now disable the DS1306 */ - immap->im_cpm.cp_pbdat &= ~PB_SPI_CE; /* Disable DS1306 Chip */ - udelay (10); - - /* Set standard MPC8xx clock to the same time so Linux will - * see the time even if it doesn't have a DS1306 clock driver. - * This helps with experimenting with standard kernels. - */ - { - ulong tim; - - tim = mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday, - tmp->tm_hour, tmp->tm_min, tmp->tm_sec); - - immap->im_sitk.sitk_rtck = KAPWR_KEY; - immap->im_sit.sit_rtc = tim; - } - - debug ("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); -} - -/* ------------------------------------------------------------------------- */ - -/* Initialize Port B for software SPI */ -static void init_spi (void) -{ - volatile immap_t *immap = (immap_t *) CFG_IMMR; - - /* Force output pins to begin at logic 0 */ - immap->im_cpm.cp_pbdat &= ~(PB_SPI_CE | PB_SPIMOSI | PB_SPISCK); - - /* Set these 3 signals as outputs */ - immap->im_cpm.cp_pbdir |= (PB_SPIMOSI | PB_SPI_CE | PB_SPISCK); - - immap->im_cpm.cp_pbdir &= ~PB_SPIMISO; /* Make MISO pin an input */ - udelay (10); -} - -/* ------------------------------------------------------------------------- */ - -/* NOTE: soft_spi_send() assumes that the I/O lines are configured already */ -static void soft_spi_send (unsigned char n) -{ - volatile immap_t *immap = (immap_t *) CFG_IMMR; - unsigned char bitpos; /* bit position to receive */ - unsigned char i; /* Loop Control */ - - /* bit position to send, start with most significant bit */ - bitpos = 0x80; - - /* Send 8 bits to software SPI */ - for (i = 0; i < 8; i++) { /* Loop for 8 bits */ - immap->im_cpm.cp_pbdat |= PB_SPISCK; /* Raise SCK */ - - if (n & bitpos) - immap->im_cpm.cp_pbdat |= PB_SPIMOSI; /* Set MOSI to 1 */ - else - immap->im_cpm.cp_pbdat &= ~PB_SPIMOSI; /* Set MOSI to 0 */ - udelay (10); - - immap->im_cpm.cp_pbdat &= ~PB_SPISCK; /* Lower SCK */ - udelay (10); - - bitpos >>= 1; /* Shift for next bit position */ - } -} - -/* ------------------------------------------------------------------------- */ - -/* NOTE: soft_spi_read() assumes that the I/O lines are configured already */ -static unsigned char soft_spi_read (void) -{ - volatile immap_t *immap = (immap_t *) CFG_IMMR; - - unsigned char spi_byte = 0; /* Return value, assume success */ - unsigned char bitpos; /* bit position to receive */ - unsigned char i; /* Loop Control */ - - /* bit position to receive, start with most significant bit */ - bitpos = 0x80; - - /* Read 8 bits here */ - for (i = 0; i < 8; i++) { /* Do 8 bits in loop */ - immap->im_cpm.cp_pbdat |= PB_SPISCK; /* Raise SCK */ - udelay (10); - if (immap->im_cpm.cp_pbdat & PB_SPIMISO) /* Get a bit of data */ - spi_byte |= bitpos; /* Set data accordingly */ - immap->im_cpm.cp_pbdat &= ~PB_SPISCK; /* Lower SCK */ - udelay (10); - bitpos >>= 1; /* Shift for next bit position */ - } - - return spi_byte; /* Return the byte read */ -} - -/* ------------------------------------------------------------------------- */ - -void rtc_reset (void) -{ - return; /* nothing to do */ -} - -#else /* not CONFIG_SXNI855T */ -/* ************************************************************************* */ - -static unsigned char rtc_read (unsigned char reg); -static void rtc_write (unsigned char reg, unsigned char val); - -/* read clock time from DS1306 and return it in *tmp */ -void rtc_get (struct rtc_time *tmp) -{ - unsigned char sec, min, hour, mday, wday, mon, year; - - sec = rtc_read (RTC_SECONDS); - min = rtc_read (RTC_MINUTES); - hour = rtc_read (RTC_HOURS); - mday = rtc_read (RTC_DATE_OF_MONTH); - wday = rtc_read (RTC_DAY_OF_WEEK); - mon = rtc_read (RTC_MONTH); - year = rtc_read (RTC_YEAR); - - debug ("Get RTC year: %02x mon: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, hour, min, sec); - debug ("Alarms[0]: wday: %02x hour: %02x min: %02x sec: %02x\n", - rtc_read (RTC_DAY_OF_WEEK_ALARM0), - rtc_read (RTC_HOURS_ALARM0), - rtc_read (RTC_MINUTES_ALARM0), rtc_read (RTC_SECONDS_ALARM0)); - debug ("Alarms[1]: wday: %02x hour: %02x min: %02x sec: %02x\n", - rtc_read (RTC_DAY_OF_WEEK_ALARM1), - rtc_read (RTC_HOURS_ALARM1), - rtc_read (RTC_MINUTES_ALARM1), rtc_read (RTC_SECONDS_ALARM1)); - - tmp->tm_sec = bcd2bin (sec & 0x7F); /* convert Seconds */ - tmp->tm_min = bcd2bin (min & 0x7F); /* convert Minutes */ - - /* convert Hours */ - tmp->tm_hour = (hour & 0x40) - ? ((hour & 0x20) /* 12 hour mode */ - ? bcd2bin (hour & 0x1F) + 11 /* PM */ - : bcd2bin (hour & 0x1F) - 1 /* AM */ - ) - : bcd2bin (hour & 0x3F); /* 24 hour mode */ - - tmp->tm_mday = bcd2bin (mday & 0x3F); /* convert Day of the Month */ - tmp->tm_mon = bcd2bin (mon & 0x1F); /* convert Month */ - tmp->tm_year = bcd2bin (year) + 2000; /* convert Year */ - tmp->tm_wday = bcd2bin (wday & 0x07) - 1; /* convert Day of the Week */ - tmp->tm_yday = 0; - tmp->tm_isdst = 0; - - debug ("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); -} - -/* ------------------------------------------------------------------------- */ - -/* set clock time from *tmp in DS1306 RTC */ -void rtc_set (struct rtc_time *tmp) -{ - debug ("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); - - rtc_write (RTC_SECONDS, bin2bcd (tmp->tm_sec)); - rtc_write (RTC_MINUTES, bin2bcd (tmp->tm_min)); - rtc_write (RTC_HOURS, bin2bcd (tmp->tm_hour)); - rtc_write (RTC_DAY_OF_WEEK, bin2bcd (tmp->tm_wday + 1)); - rtc_write (RTC_DATE_OF_MONTH, bin2bcd (tmp->tm_mday)); - rtc_write (RTC_MONTH, bin2bcd (tmp->tm_mon)); - rtc_write (RTC_YEAR, bin2bcd (tmp->tm_year - 2000)); -} - -/* ------------------------------------------------------------------------- */ - -/* reset the DS1306 */ -void rtc_reset (void) -{ - /* clear the control register */ - rtc_write (RTC_CONTROL, 0x00); /* 1st step: reset WP */ - rtc_write (RTC_CONTROL, 0x00); /* 2nd step: reset 1Hz, AIE1, AIE0 */ - - /* reset all alarms */ - rtc_write (RTC_SECONDS_ALARM0, 0x00); - rtc_write (RTC_SECONDS_ALARM1, 0x00); - rtc_write (RTC_MINUTES_ALARM0, 0x00); - rtc_write (RTC_MINUTES_ALARM1, 0x00); - rtc_write (RTC_HOURS_ALARM0, 0x00); - rtc_write (RTC_HOURS_ALARM1, 0x00); - rtc_write (RTC_DAY_OF_WEEK_ALARM0, 0x00); - rtc_write (RTC_DAY_OF_WEEK_ALARM1, 0x00); -} - -/* ------------------------------------------------------------------------- */ - -static unsigned char rtc_read (unsigned char reg) -{ - unsigned char dout[2]; /* SPI Output Data Bytes */ - unsigned char din[2]; /* SPI Input Data Bytes */ - - dout[0] = reg; - - if (spi_xfer (spi_chipsel[CFG_SPI_RTC_DEVID], 16, dout, din) != 0) { - return 0; - } else { - return din[1]; - } -} - -/* ------------------------------------------------------------------------- */ - -static void rtc_write (unsigned char reg, unsigned char val) -{ - unsigned char dout[2]; /* SPI Output Data Bytes */ - unsigned char din[2]; /* SPI Input Data Bytes */ - - dout[0] = 0x80 | reg; - dout[1] = val; - - spi_xfer (spi_chipsel[CFG_SPI_RTC_DEVID], 16, dout, din); -} - -#endif /* end of code exclusion (see #ifdef CONFIG_SXNI855T above) */ - -/* ------------------------------------------------------------------------- */ - -static unsigned char bcd2bin (unsigned char n) -{ - return ((((n >> 4) & 0x0F) * 10) + (n & 0x0F)); -} - -/* ------------------------------------------------------------------------- */ - -static unsigned int bin2bcd (unsigned int n) -{ - return (((n / 10) << 4) | (n % 10)); -} -/* ------------------------------------------------------------------------- */ - -#endif diff --git a/rtc/ds1307.c b/rtc/ds1307.c deleted file mode 100644 index c882d79..0000000 --- a/rtc/ds1307.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * (C) Copyright 2001, 2002, 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * Keith Outwater, keith_outwater@mvis.com` - * Steven Scholz, steven.scholz@imc-berlin.de - * - * 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 - */ - -/* - * Date & Time support (no alarms) for Dallas Semiconductor (now Maxim) - * DS1307 and DS1338 Real Time Clock (RTC). - * - * based on ds1337.c - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> - -#if (defined(CONFIG_RTC_DS1307) || defined(CONFIG_RTC_DS1338) ) && \ - defined(CONFIG_CMD_DATE) - -/*---------------------------------------------------------------------*/ -#undef DEBUG_RTC - -#ifdef DEBUG_RTC -#define DEBUGR(fmt,args...) printf(fmt ,##args) -#else -#define DEBUGR(fmt,args...) -#endif -/*---------------------------------------------------------------------*/ - -#ifndef CFG_I2C_RTC_ADDR -# define CFG_I2C_RTC_ADDR 0x68 -#endif - -#if defined(CONFIG_RTC_DS1307) && (CFG_I2C_SPEED > 100000) -# error The DS1307 is specified only up to 100kHz! -#endif - -/* - * RTC register addresses - */ -#define RTC_SEC_REG_ADDR 0x00 -#define RTC_MIN_REG_ADDR 0x01 -#define RTC_HR_REG_ADDR 0x02 -#define RTC_DAY_REG_ADDR 0x03 -#define RTC_DATE_REG_ADDR 0x04 -#define RTC_MON_REG_ADDR 0x05 -#define RTC_YR_REG_ADDR 0x06 -#define RTC_CTL_REG_ADDR 0x07 - -#define RTC_SEC_BIT_CH 0x80 /* Clock Halt (in Register 0) */ - -#define RTC_CTL_BIT_RS0 0x01 /* Rate select 0 */ -#define RTC_CTL_BIT_RS1 0x02 /* Rate select 1 */ -#define RTC_CTL_BIT_SQWE 0x10 /* Square Wave Enable */ -#define RTC_CTL_BIT_OUT 0x80 /* Output Control */ - -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); - -/* - * Get the current time from the RTC - */ -void rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, mday, wday, mon, year; - - sec = rtc_read (RTC_SEC_REG_ADDR); - min = rtc_read (RTC_MIN_REG_ADDR); - hour = rtc_read (RTC_HR_REG_ADDR); - wday = rtc_read (RTC_DAY_REG_ADDR); - mday = rtc_read (RTC_DATE_REG_ADDR); - mon = rtc_read (RTC_MON_REG_ADDR); - year = rtc_read (RTC_YR_REG_ADDR); - - DEBUGR ("Get RTC year: %02x mon: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, hour, min, sec); - - if (sec & RTC_SEC_BIT_CH) { - printf ("### Warning: RTC oscillator has stopped\n"); - /* clear the CH flag */ - rtc_write (RTC_SEC_REG_ADDR, - rtc_read (RTC_SEC_REG_ADDR) & ~RTC_SEC_BIT_CH); - } - - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon & 0x1F); - tmp->tm_year = bcd2bin (year) + ( bcd2bin (year) >= 70 ? 1900 : 2000); - tmp->tm_wday = bcd2bin ((wday - 1) & 0x07); - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - DEBUGR ("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); -} - - -/* - * Set the RTC - */ -void rtc_set (struct rtc_time *tmp) -{ - DEBUGR ("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); - - if (tmp->tm_year < 1970 || tmp->tm_year > 2069) - printf("WARNING: year should be between 1970 and 2069!\n"); - - rtc_write (RTC_YR_REG_ADDR, bin2bcd (tmp->tm_year % 100)); - rtc_write (RTC_MON_REG_ADDR, bin2bcd (tmp->tm_mon)); - rtc_write (RTC_DAY_REG_ADDR, bin2bcd (tmp->tm_wday + 1)); - rtc_write (RTC_DATE_REG_ADDR, bin2bcd (tmp->tm_mday)); - rtc_write (RTC_HR_REG_ADDR, bin2bcd (tmp->tm_hour)); - rtc_write (RTC_MIN_REG_ADDR, bin2bcd (tmp->tm_min)); - rtc_write (RTC_SEC_REG_ADDR, bin2bcd (tmp->tm_sec)); -} - - -/* - * Reset the RTC. We setting the date back to 1970-01-01. - * We also enable the oscillator output on the SQW/OUT pin and program - * it for 32,768 Hz output. Note that according to the datasheet, turning - * on the square wave output increases the current drain on the backup - * battery to something between 480nA and 800nA. - */ -void rtc_reset (void) -{ - struct rtc_time tmp; - - rtc_write (RTC_SEC_REG_ADDR, 0x00); /* clearing Clock Halt */ - rtc_write (RTC_CTL_REG_ADDR, RTC_CTL_BIT_SQWE | RTC_CTL_BIT_RS1 | RTC_CTL_BIT_RS0); - - tmp.tm_year = 1970; - tmp.tm_mon = 1; - tmp.tm_mday= 1; - tmp.tm_hour = 0; - tmp.tm_min = 0; - tmp.tm_sec = 0; - - rtc_set(&tmp); - - printf ( "RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n", - tmp.tm_year, tmp.tm_mon, tmp.tm_mday, - tmp.tm_hour, tmp.tm_min, tmp.tm_sec); - - return; -} - - -/* - * Helper functions - */ - -static -uchar rtc_read (uchar reg) -{ - return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg)); -} - - -static void rtc_write (uchar reg, uchar val) -{ - i2c_reg_write (CFG_I2C_RTC_ADDR, 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)); -} - -#endif diff --git a/rtc/ds1337.c b/rtc/ds1337.c deleted file mode 100644 index c636ac5..0000000 --- a/rtc/ds1337.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * (C) Copyright 2001, 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * Keith Outwater, keith_outwater@mvis.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 - */ - -/* - * Date & Time support (no alarms) for Dallas Semiconductor (now Maxim) - * DS1337 Real Time Clock (RTC). - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> - -#if defined(CONFIG_RTC_DS1337) && defined(CONFIG_CMD_DATE) - -/*---------------------------------------------------------------------*/ -#undef DEBUG_RTC - -#ifdef DEBUG_RTC -#define DEBUGR(fmt,args...) printf(fmt ,##args) -#else -#define DEBUGR(fmt,args...) -#endif -/*---------------------------------------------------------------------*/ - -/* - * RTC register addresses - */ -#define RTC_SEC_REG_ADDR 0x0 -#define RTC_MIN_REG_ADDR 0x1 -#define RTC_HR_REG_ADDR 0x2 -#define RTC_DAY_REG_ADDR 0x3 -#define RTC_DATE_REG_ADDR 0x4 -#define RTC_MON_REG_ADDR 0x5 -#define RTC_YR_REG_ADDR 0x6 -#define RTC_CTL_REG_ADDR 0x0e -#define RTC_STAT_REG_ADDR 0x0f - -/* - * RTC control register bits - */ -#define RTC_CTL_BIT_A1IE 0x1 /* Alarm 1 interrupt enable */ -#define RTC_CTL_BIT_A2IE 0x2 /* Alarm 2 interrupt enable */ -#define RTC_CTL_BIT_INTCN 0x4 /* Interrupt control */ -#define RTC_CTL_BIT_RS1 0x8 /* Rate select 1 */ -#define RTC_CTL_BIT_RS2 0x10 /* Rate select 2 */ -#define RTC_CTL_BIT_DOSC 0x80 /* Disable Oscillator */ - -/* - * RTC status register bits - */ -#define RTC_STAT_BIT_A1F 0x1 /* Alarm 1 flag */ -#define RTC_STAT_BIT_A2F 0x2 /* Alarm 2 flag */ -#define RTC_STAT_BIT_OSF 0x80 /* Oscillator stop flag */ - - -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); - - -/* - * Get the current time from the RTC - */ -void rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, mday, wday, mon_cent, year, control, status; - - control = rtc_read (RTC_CTL_REG_ADDR); - status = rtc_read (RTC_STAT_REG_ADDR); - sec = rtc_read (RTC_SEC_REG_ADDR); - min = rtc_read (RTC_MIN_REG_ADDR); - hour = rtc_read (RTC_HR_REG_ADDR); - wday = rtc_read (RTC_DAY_REG_ADDR); - mday = rtc_read (RTC_DATE_REG_ADDR); - mon_cent = rtc_read (RTC_MON_REG_ADDR); - year = rtc_read (RTC_YR_REG_ADDR); - - DEBUGR ("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x control: %02x status: %02x\n", - year, mon_cent, mday, wday, hour, min, sec, control, status); - - if (status & RTC_STAT_BIT_OSF) { - printf ("### Warning: RTC oscillator has stopped\n"); - /* clear the OSF flag */ - rtc_write (RTC_STAT_REG_ADDR, - rtc_read (RTC_STAT_REG_ADDR) & ~RTC_STAT_BIT_OSF); - } - - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon_cent & 0x1F); - tmp->tm_year = bcd2bin (year) + ((mon_cent & 0x80) ? 2000 : 1900); - tmp->tm_wday = bcd2bin ((wday - 1) & 0x07); - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - DEBUGR ("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); -} - - -/* - * Set the RTC - */ -void rtc_set (struct rtc_time *tmp) -{ - uchar century; - - DEBUGR ("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); - - rtc_write (RTC_YR_REG_ADDR, bin2bcd (tmp->tm_year % 100)); - - century = (tmp->tm_year >= 2000) ? 0x80 : 0; - rtc_write (RTC_MON_REG_ADDR, bin2bcd (tmp->tm_mon) | century); - - rtc_write (RTC_DAY_REG_ADDR, bin2bcd (tmp->tm_wday + 1)); - rtc_write (RTC_DATE_REG_ADDR, bin2bcd (tmp->tm_mday)); - rtc_write (RTC_HR_REG_ADDR, bin2bcd (tmp->tm_hour)); - rtc_write (RTC_MIN_REG_ADDR, bin2bcd (tmp->tm_min)); - rtc_write (RTC_SEC_REG_ADDR, bin2bcd (tmp->tm_sec)); -} - - -/* - * Reset the RTC. We also enable the oscillator output on the - * SQW/INTB* pin and program it for 32,768 Hz output. Note that - * according to the datasheet, turning on the square wave output - * increases the current drain on the backup battery from about - * 600 nA to 2uA. - */ -void rtc_reset (void) -{ - rtc_write (RTC_CTL_REG_ADDR, RTC_CTL_BIT_RS1 | RTC_CTL_BIT_RS2); -} - - -/* - * Helper functions - */ - -static -uchar rtc_read (uchar reg) -{ - return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg)); -} - - -static void rtc_write (uchar reg, uchar val) -{ - i2c_reg_write (CFG_I2C_RTC_ADDR, 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)); -} - -#endif diff --git a/rtc/ds1374.c b/rtc/ds1374.c deleted file mode 100644 index e773dd9..0000000 --- a/rtc/ds1374.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * (C) Copyright 2001, 2002, 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * Keith Outwater, keith_outwater@mvis.com` - * Steven Scholz, steven.scholz@imc-berlin.de - * - * 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 - */ - -/* - * Date & Time support (no alarms) for Dallas Semiconductor (now Maxim) - * DS1374 Real Time Clock (RTC). - * - * based on ds1337.c - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> - -#if (defined(CONFIG_RTC_DS1374)) && defined(CONFIG_CMD_DATE) - -/*---------------------------------------------------------------------*/ -#undef DEBUG_RTC -#define DEBUG_RTC - -#ifdef DEBUG_RTC -#define DEBUGR(fmt,args...) printf(fmt ,##args) -#else -#define DEBUGR(fmt,args...) -#endif -/*---------------------------------------------------------------------*/ - -#ifndef CFG_I2C_RTC_ADDR -# define CFG_I2C_RTC_ADDR 0x68 -#endif - -#if defined(CONFIG_RTC_DS1374) && (CFG_I2C_SPEED > 400000) -# error The DS1374 is specified up to 400kHz in fast mode! -#endif - -/* - * RTC register addresses - */ -#define RTC_TOD_CNT_BYTE0_ADDR 0x00 /* TimeOfDay */ -#define RTC_TOD_CNT_BYTE1_ADDR 0x01 -#define RTC_TOD_CNT_BYTE2_ADDR 0x02 -#define RTC_TOD_CNT_BYTE3_ADDR 0x03 - -#define RTC_WD_ALM_CNT_BYTE0_ADDR 0x04 -#define RTC_WD_ALM_CNT_BYTE1_ADDR 0x05 -#define RTC_WD_ALM_CNT_BYTE2_ADDR 0x06 - -#define RTC_CTL_ADDR 0x07 /* RTC-CoNTrol-register */ -#define RTC_SR_ADDR 0x08 /* RTC-StatusRegister */ -#define RTC_TCS_DS_ADDR 0x09 /* RTC-TrickleChargeSelect DiodeSelect-register */ - -#define RTC_CTL_BIT_AIE (1<<0) /* Bit 0 - Alarm Interrupt enable */ -#define RTC_CTL_BIT_RS1 (1<<1) /* Bit 1/2 - Rate Select square wave output */ -#define RTC_CTL_BIT_RS2 (1<<2) /* Bit 2/2 - Rate Select square wave output */ -#define RTC_CTL_BIT_WDSTR (1<<3) /* Bit 3 - Watchdog Reset Steering */ -#define RTC_CTL_BIT_BBSQW (1<<4) /* Bit 4 - Battery-Backed Square-Wave */ -#define RTC_CTL_BIT_WD_ALM (1<<5) /* Bit 5 - Watchdoc/Alarm Counter Select */ -#define RTC_CTL_BIT_WACE (1<<6) /* Bit 6 - Watchdog/Alarm Counter Enable WACE*/ -#define RTC_CTL_BIT_EN_OSC (1<<7) /* Bit 7 - Enable Oscilator */ - -#define RTC_SR_BIT_AF 0x01 /* Bit 0 = Alarm Flag */ -#define RTC_SR_BIT_OSF 0x80 /* Bit 7 - Osc Stop Flag */ - -typedef unsigned char boolean_t; - -#ifndef TRUE -#define TRUE ((boolean_t)(0==0)) -#endif -#ifndef FALSE -#define FALSE (!TRUE) -#endif - -const char RtcTodAddr[] = { - RTC_TOD_CNT_BYTE0_ADDR, - RTC_TOD_CNT_BYTE1_ADDR, - RTC_TOD_CNT_BYTE2_ADDR, - RTC_TOD_CNT_BYTE3_ADDR -}; - -static uchar rtc_read (uchar reg); -static void rtc_write (uchar reg, uchar val, boolean_t set); -static void rtc_write_raw (uchar reg, uchar val); - -/* - * Get the current time from the RTC - */ -void rtc_get (struct rtc_time *tm){ - - unsigned long time1, time2; - unsigned int limit; - unsigned char tmp; - unsigned int i; - - /* - * Since the reads are being performed one byte at a time, - * there is a chance that a carry will occur during the read. - * To detect this, 2 reads are performed and compared. - */ - limit = 10; - do { - i = 4; - time1 = 0; - while (i--) { - tmp = rtc_read(RtcTodAddr[i]); - time1 = (time1 << 8) | (tmp & 0xff); - } - - i = 4; - time2 = 0; - while (i--) { - tmp = rtc_read(RtcTodAddr[i]); - time2 = (time2 << 8) | (tmp & 0xff); - } - } while ((time1 != time2) && limit--); - - if (time1 != time2) { - printf("can't get consistent time from rtc chip\n"); - } - - DEBUGR ("Get RTC s since 1.1.1970: %d\n", time1); - - to_tm(time1, tm); /* To Gregorian Date */ - - if (rtc_read(RTC_SR_ADDR) & RTC_SR_BIT_OSF) - printf ("### Warning: RTC oscillator has stopped\n"); - - DEBUGR ("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", - tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_wday, - tm->tm_hour, tm->tm_min, tm->tm_sec); -} - -/* - * Set the RTC - */ -void rtc_set (struct rtc_time *tmp){ - - unsigned long time; - unsigned i; - - DEBUGR ("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); - - if (tmp->tm_year < 1970 || tmp->tm_year > 2069) - printf("WARNING: year should be between 1970 and 2069!\n"); - - time = mktime(tmp->tm_year, tmp->tm_mon, - tmp->tm_mday, tmp->tm_hour, - tmp->tm_min, tmp->tm_sec); - - DEBUGR ("Set RTC s since 1.1.1970: %d (0x%02x)\n", time, time); - - /* write to RTC_TOD_CNT_BYTEn_ADDR */ - for (i = 0; i <= 3; i++) { - rtc_write_raw(RtcTodAddr[i], (unsigned char)(time & 0xff)); - time = time >> 8; - } - - /* Start clock */ - rtc_write(RTC_CTL_ADDR, RTC_CTL_BIT_EN_OSC, FALSE); -} - -/* - * Reset the RTC. We setting the date back to 1970-01-01. - * We also enable the oscillator output on the SQW/OUT pin and program - * it for 32,768 Hz output. Note that according to the datasheet, turning - * on the square wave output increases the current drain on the backup - * battery to something between 480nA and 800nA. - */ -void rtc_reset (void){ - - struct rtc_time tmp; - - /* clear status flags */ - rtc_write (RTC_SR_ADDR, (RTC_SR_BIT_AF|RTC_SR_BIT_OSF), FALSE); /* clearing OSF and AF */ - - /* Initialise DS1374 oriented to MPC8349E-ADS */ - rtc_write (RTC_CTL_ADDR, (RTC_CTL_BIT_EN_OSC - |RTC_CTL_BIT_WACE - |RTC_CTL_BIT_AIE), FALSE);/* start osc, disable WACE, clear AIE - - set to 0 */ - rtc_write (RTC_CTL_ADDR, (RTC_CTL_BIT_WD_ALM - |RTC_CTL_BIT_WDSTR - |RTC_CTL_BIT_RS1 - |RTC_CTL_BIT_RS2 - |RTC_CTL_BIT_BBSQW), TRUE);/* disable WD/ALM, WDSTR set to INT-pin, - set BBSQW and SQW to 32k - - set to 1 */ - tmp.tm_year = 1970; - tmp.tm_mon = 1; - tmp.tm_mday= 1; - tmp.tm_hour = 0; - tmp.tm_min = 0; - tmp.tm_sec = 0; - - rtc_set(&tmp); - - printf("RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n", - tmp.tm_year, tmp.tm_mon, tmp.tm_mday, - tmp.tm_hour, tmp.tm_min, tmp.tm_sec); - - rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR,0xAC, TRUE); - rtc_write(RTC_WD_ALM_CNT_BYTE1_ADDR,0xDE, TRUE); - rtc_write(RTC_WD_ALM_CNT_BYTE2_ADDR,0xAD, TRUE); -} - -/* - * Helper functions - */ -static uchar rtc_read (uchar reg) -{ - return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg)); -} - -static void rtc_write (uchar reg, uchar val, boolean_t set) -{ - if (set == TRUE) { - val |= i2c_reg_read (CFG_I2C_RTC_ADDR, reg); - i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val); - } else { - val = i2c_reg_read (CFG_I2C_RTC_ADDR, reg) & ~val; - i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val); - } -} - -static void rtc_write_raw (uchar reg, uchar val) -{ - i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val); -} -#endif diff --git a/rtc/ds1556.c b/rtc/ds1556.c deleted file mode 100644 index 4365cfb..0000000 --- a/rtc/ds1556.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * (C) Copyright 2002 - * ARIO Data Networks, Inc. dchiu@ariodata.com - * - * modified for DS1556: - * Frank Panno <fpanno@delphintech.com>, 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 - */ - -/* - * Date & Time support for the DS1556 RTC - */ - -/*#define RTC_DEBUG */ - -#include <common.h> -#include <command.h> -#include <rtc.h> - - -#if defined(CONFIG_RTC_DS1556) && 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_YEAR ( RTC_BASE + 0xf ) -#define RTC_MONTH ( RTC_BASE + 0xe ) -#define RTC_DAY_OF_MONTH ( RTC_BASE + 0xd ) -#define RTC_DAY_OF_WEEK ( RTC_BASE + 0xc ) -#define RTC_HOURS ( RTC_BASE + 0xb ) -#define RTC_MINUTES ( RTC_BASE + 0xa ) -#define RTC_SECONDS ( RTC_BASE + 0x9 ) -#define RTC_CENTURY ( RTC_BASE + 0x8 ) - -#define RTC_CONTROLA RTC_CENTURY -#define RTC_CONTROLB RTC_SECONDS -#define RTC_CONTROLC RTC_BASE - -#define RTC_CA_WRITE 0x80 -#define RTC_CA_READ 0x40 - -#define RTC_CB_OSC_DISABLE 0x80 - -#define RTC_CC_BATTERY_FLAG 0x10 -#define RTC_CC_FREQ_TEST 0x40 - -/* ------------------------------------------------------------------------- */ - -void rtc_get( struct rtc_time *tmp ) -{ - uchar sec, min, hour; - uchar mday, wday, mon, year; - - int century; - - uchar reg_a; - - reg_a = rtc_read( RTC_CONTROLA ); - /* lock clock registers for read */ - rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_READ )); - - sec = rtc_read( RTC_SECONDS ); - min = rtc_read( RTC_MINUTES ); - hour = rtc_read( RTC_HOURS ); - mday = rtc_read( RTC_DAY_OF_MONTH ); - wday = rtc_read( RTC_DAY_OF_WEEK ); - mon = rtc_read( RTC_MONTH ); - year = rtc_read( RTC_YEAR ); - century = rtc_read( RTC_CENTURY ); - - /* unlock clock registers after read */ - rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_READ )); - -#ifdef RTC_DEBUG - printf( "Get RTC year: %02x mon/cent: %02x mon: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, century, mon, mday, wday, - hour, min, sec ); -#endif - tmp->tm_sec = bcd2bin( sec & 0x7F ); - tmp->tm_min = bcd2bin( min & 0x7F ); - tmp->tm_hour = bcd2bin( hour & 0x3F ); - tmp->tm_mday = bcd2bin( mday & 0x3F ); - tmp->tm_mon = bcd2bin( mon & 0x1F ); - tmp->tm_wday = bcd2bin( wday & 0x07 ); - - /* glue year from century and year in century */ - tmp->tm_year = bcd2bin( year ) + - ( bcd2bin( century & 0x3F ) * 100 ); - - 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 ) -{ - uchar reg_a; -#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 - /* lock clock registers for write */ - reg_a = rtc_read( RTC_CONTROLA ); - rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_WRITE )); - - rtc_write( RTC_MONTH, bin2bcd( tmp->tm_mon )); - - rtc_write( RTC_DAY_OF_WEEK, bin2bcd( tmp->tm_wday )); - rtc_write( RTC_DAY_OF_MONTH, bin2bcd( tmp->tm_mday )); - rtc_write( RTC_HOURS, bin2bcd( tmp->tm_hour )); - rtc_write( RTC_MINUTES, bin2bcd( tmp->tm_min )); - rtc_write( RTC_SECONDS, bin2bcd( tmp->tm_sec )); - - /* break year up into century and year in century */ - rtc_write( RTC_YEAR, bin2bcd( tmp->tm_year % 100 )); - rtc_write( RTC_CENTURY, bin2bcd( tmp->tm_year / 100 )); - - /* unlock clock registers after read */ - rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_WRITE )); -} - -void rtc_reset (void) -{ - uchar reg_a, reg_b, reg_c; - - reg_a = rtc_read( RTC_CONTROLA ); - reg_b = rtc_read( RTC_CONTROLB ); - - if ( reg_b & RTC_CB_OSC_DISABLE ) - { - printf( "real-time-clock was stopped. Now starting...\n" ); - reg_a |= RTC_CA_WRITE; - reg_b &= ~RTC_CB_OSC_DISABLE; - - rtc_write( RTC_CONTROLA, reg_a ); - rtc_write( RTC_CONTROLB, reg_b ); - } - - /* make sure read/write clock register bits are cleared */ - reg_a &= ~( RTC_CA_WRITE | RTC_CA_READ ); - rtc_write( RTC_CONTROLA, reg_a ); - - reg_c = rtc_read( RTC_CONTROLC ); - if (( reg_c & RTC_CC_BATTERY_FLAG ) == 0 ) - printf( "RTC battery low. Clock setting may not be reliable.\n" ); -} - -/* ------------------------------------------------------------------------- */ - -static uchar rtc_read( unsigned int addr ) -{ - uchar val = *(volatile unsigned char*)(addr); -#ifdef RTC_DEBUG - printf( "rtc_read: %x:%x\n", addr, val ); -#endif - return( val ); -} - -static void rtc_write( unsigned int addr, uchar val ) -{ -#ifdef RTC_DEBUG - printf( "rtc_write: %x:%x\n", addr, val ); -#endif - *(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 diff --git a/rtc/ds164x.c b/rtc/ds164x.c deleted file mode 100644 index bff22b9..0000000 --- a/rtc/ds164x.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * (C) Copyright 2002 - * ARIO Data Networks, Inc. dchiu@ariodata.com - * - * modified for DS164x: - * The LEOX team <team@leox.org>, http://www.leox.org - * - * 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 - */ - -/* - * Date & Time support for the DS164x RTC - */ - -/* #define RTC_DEBUG */ - -#include <common.h> -#include <command.h> -#include <rtc.h> - - -#if defined(CONFIG_RTC_DS164x) && 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_YEAR ( RTC_BASE + 0x07 ) -#define RTC_MONTH ( RTC_BASE + 0x06 ) -#define RTC_DAY_OF_MONTH ( RTC_BASE + 0x05 ) -#define RTC_DAY_OF_WEEK ( RTC_BASE + 0x04 ) -#define RTC_HOURS ( RTC_BASE + 0x03 ) -#define RTC_MINUTES ( RTC_BASE + 0x02 ) -#define RTC_SECONDS ( RTC_BASE + 0x01 ) -#define RTC_CONTROL ( RTC_BASE + 0x00 ) - -#define RTC_CONTROLA RTC_CONTROL /* W=bit6, R=bit5 */ -#define RTC_CA_WRITE 0x80 -#define RTC_CA_READ 0x40 -#define RTC_CONTROLB RTC_SECONDS /* OSC=bit7 */ -#define RTC_CB_OSC_DISABLE 0x80 -#define RTC_CONTROLC RTC_DAY_OF_WEEK /* FT=bit6 */ -#define RTC_CC_FREQ_TEST 0x40 - -/* ------------------------------------------------------------------------- */ - -void rtc_get( struct rtc_time *tmp ) -{ - uchar sec, min, hour; - uchar mday, wday, mon, year; - - uchar reg_a; - - reg_a = rtc_read( RTC_CONTROLA ); - /* lock clock registers for read */ - rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_READ )); - - sec = rtc_read( RTC_SECONDS ); - min = rtc_read( RTC_MINUTES ); - hour = rtc_read( RTC_HOURS ); - mday = rtc_read( RTC_DAY_OF_MONTH ); - wday = rtc_read( RTC_DAY_OF_WEEK ); - mon = rtc_read( RTC_MONTH ); - year = rtc_read( RTC_YEAR ); - - /* unlock clock registers after read */ - rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_READ )); - -#ifdef RTC_DEBUG - printf( "Get RTC year: %02x mon: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, - hour, min, sec ); -#endif - tmp->tm_sec = bcd2bin( sec & 0x7F ); - tmp->tm_min = bcd2bin( min & 0x7F ); - tmp->tm_hour = bcd2bin( hour & 0x3F ); - tmp->tm_mday = bcd2bin( mday & 0x3F ); - tmp->tm_mon = bcd2bin( mon & 0x1F ); - tmp->tm_wday = bcd2bin( wday & 0x07 ); - - /* glue year in century (2000) */ - tmp->tm_year = bcd2bin( year ) + RTC_EPOCH; - - 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 ) -{ - uchar reg_a; - -#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 - /* lock clock registers for write */ - reg_a = rtc_read( RTC_CONTROLA ); - rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_WRITE )); - - rtc_write( RTC_MONTH, bin2bcd( tmp->tm_mon )); - - rtc_write( RTC_DAY_OF_WEEK, bin2bcd( tmp->tm_wday )); - rtc_write( RTC_DAY_OF_MONTH, bin2bcd( tmp->tm_mday )); - rtc_write( RTC_HOURS, bin2bcd( tmp->tm_hour )); - rtc_write( RTC_MINUTES, bin2bcd( tmp->tm_min )); - rtc_write( RTC_SECONDS, bin2bcd( tmp->tm_sec )); - - /* break year in century */ - rtc_write( RTC_YEAR, bin2bcd( tmp->tm_year % 100 )); - - /* unlock clock registers after read */ - rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_WRITE )); -} - -void rtc_reset (void) -{ - uchar reg_a, reg_b; - - reg_a = rtc_read( RTC_CONTROLA ); - reg_b = rtc_read( RTC_CONTROLB ); - - if ( reg_b & RTC_CB_OSC_DISABLE ) - { - printf( "real-time-clock was stopped. Now starting...\n" ); - reg_a |= RTC_CA_WRITE; - reg_b &= ~RTC_CB_OSC_DISABLE; - - rtc_write( RTC_CONTROLA, reg_a ); - rtc_write( RTC_CONTROLB, reg_b ); - } - - /* make sure read/write clock register bits are cleared */ - reg_a &= ~( RTC_CA_WRITE | RTC_CA_READ ); - rtc_write( RTC_CONTROLA, reg_a ); -} - -/* ------------------------------------------------------------------------- */ - -static uchar rtc_read( unsigned int addr ) -{ - uchar val = *(volatile unsigned char*)(addr); - -#ifdef RTC_DEBUG - printf( "rtc_read: %x:%x\n", addr, val ); -#endif - return( val ); -} - -static void rtc_write( unsigned int addr, uchar val ) -{ -#ifdef RTC_DEBUG - printf( "rtc_write: %x:%x\n", addr, val ); -#endif - *(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 diff --git a/rtc/ds174x.c b/rtc/ds174x.c deleted file mode 100644 index 5f85a68..0000000 --- a/rtc/ds174x.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * (C) Copyright 2001 - * ARIO Data Networks, Inc. dchiu@ariodata.com - * - * 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 - */ - -/* - * Date & Time support for the DS174x RTC - */ - -/*#define DEBUG*/ - -#include <common.h> -#include <command.h> -#include <rtc.h> - -#if defined(CONFIG_RTC_DS174x) && 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_YEAR ( RTC_BASE + 7 ) -#define RTC_MONTH ( RTC_BASE + 6 ) -#define RTC_DAY_OF_MONTH ( RTC_BASE + 5 ) -#define RTC_DAY_OF_WEEK ( RTC_BASE + 4 ) -#define RTC_HOURS ( RTC_BASE + 3 ) -#define RTC_MINUTES ( RTC_BASE + 2 ) -#define RTC_SECONDS ( RTC_BASE + 1 ) -#define RTC_CENTURY ( RTC_BASE + 0 ) - -#define RTC_CONTROLA RTC_CENTURY -#define RTC_CONTROLB RTC_SECONDS -#define RTC_CONTROLC RTC_DAY_OF_WEEK - -#define RTC_CA_WRITE 0x80 -#define RTC_CA_READ 0x40 - -#define RTC_CB_OSC_DISABLE 0x80 - -#define RTC_CC_BATTERY_FLAG 0x80 -#define RTC_CC_FREQ_TEST 0x40 - -/* ------------------------------------------------------------------------- */ - -void rtc_get( struct rtc_time *tmp ) -{ - uchar sec, min, hour; - uchar mday, wday, mon, year; - - int century; - - uchar reg_a; - - reg_a = rtc_read( RTC_CONTROLA ); - /* lock clock registers for read */ - rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_READ )); - - sec = rtc_read( RTC_SECONDS ); - min = rtc_read( RTC_MINUTES ); - hour = rtc_read( RTC_HOURS ); - mday = rtc_read( RTC_DAY_OF_MONTH ); - wday = rtc_read( RTC_DAY_OF_WEEK ); - mon = rtc_read( RTC_MONTH ); - year = rtc_read( RTC_YEAR ); - century = rtc_read( RTC_CENTURY ); - - /* unlock clock registers after read */ - rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_READ )); - -#ifdef RTC_DEBUG - printf( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon_cent, mday, wday, - hour, min, sec ); -#endif - tmp->tm_sec = bcd2bin( sec & 0x7F ); - tmp->tm_min = bcd2bin( min & 0x7F ); - tmp->tm_hour = bcd2bin( hour & 0x3F ); - tmp->tm_mday = bcd2bin( mday & 0x3F ); - tmp->tm_mon = bcd2bin( mon & 0x1F ); - tmp->tm_wday = bcd2bin( wday & 0x07 ); - - /* glue year from century and year in century */ - tmp->tm_year = bcd2bin( year ) + - ( bcd2bin( century & 0x3F ) * 100 ); - - 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 ) -{ - uchar reg_a; -#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 - /* lock clock registers for write */ - reg_a = rtc_read( RTC_CONTROLA ); - rtc_write( RTC_CONTROLA, ( reg_a | RTC_CA_WRITE )); - - rtc_write( RTC_MONTH, bin2bcd( tmp->tm_mon )); - - rtc_write( RTC_DAY_OF_WEEK, bin2bcd( tmp->tm_wday )); - rtc_write( RTC_DAY_OF_MONTH, bin2bcd( tmp->tm_mday )); - rtc_write( RTC_HOURS, bin2bcd( tmp->tm_hour )); - rtc_write( RTC_MINUTES, bin2bcd( tmp->tm_min )); - rtc_write( RTC_SECONDS, bin2bcd( tmp->tm_sec )); - - /* break year up into century and year in century */ - rtc_write( RTC_YEAR, bin2bcd( tmp->tm_year % 100 )); - rtc_write( RTC_CENTURY, bin2bcd( tmp->tm_year / 100 )); - - /* unlock clock registers after read */ - rtc_write( RTC_CONTROLA, ( reg_a & ~RTC_CA_WRITE )); -} - -void rtc_reset (void) -{ - uchar reg_a, reg_b, reg_c; - - reg_a = rtc_read( RTC_CONTROLA ); - reg_b = rtc_read( RTC_CONTROLB ); - - if ( reg_b & RTC_CB_OSC_DISABLE ) - { - printf( "real-time-clock was stopped. Now starting...\n" ); - reg_a |= RTC_CA_WRITE; - reg_b &= ~RTC_CB_OSC_DISABLE; - - rtc_write( RTC_CONTROLA, reg_a ); - rtc_write( RTC_CONTROLB, reg_b ); - } - - /* make sure read/write clock register bits are cleared */ - reg_a &= ~( RTC_CA_WRITE | RTC_CA_READ ); - rtc_write( RTC_CONTROLA, reg_a ); - - reg_c = rtc_read( RTC_CONTROLC ); - if (( reg_c & RTC_CC_BATTERY_FLAG ) == 0 ) - printf( "RTC battery low. Clock setting may not be reliable.\n" ); -} - -/* ------------------------------------------------------------------------- */ - -static uchar rtc_read( unsigned int addr ) -{ - uchar val = in8( addr ); -#ifdef RTC_DEBUG - printf( "rtc_read: %x:%x\n", addr, val ); -#endif - return( val ); -} - -static void rtc_write( unsigned int addr, uchar val ) -{ -#ifdef RTC_DEBUG - printf( "rtc_write: %x:%x\n", addr, val ); -#endif - 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 diff --git a/rtc/ds3231.c b/rtc/ds3231.c deleted file mode 100644 index fe11b86..0000000 --- a/rtc/ds3231.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * (C) Copyright 2006 - * Markus Klotzbuecher, mk@denx.de - * - * 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 - */ - -/* - * Date & Time support (no alarms) for Dallas Semiconductor (now Maxim) - * Extremly Accurate DS3231 Real Time Clock (RTC). - * - * copied from ds1337.c - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> - -#if defined(CONFIG_RTC_DS3231) && defined(CONFIG_CMD_DATE) - -/*---------------------------------------------------------------------*/ -#undef DEBUG_RTC - -#ifdef DEBUG_RTC -#define DEBUGR(fmt,args...) printf(fmt ,##args) -#else -#define DEBUGR(fmt,args...) -#endif -/*---------------------------------------------------------------------*/ - -/* - * RTC register addresses - */ -#define RTC_SEC_REG_ADDR 0x0 -#define RTC_MIN_REG_ADDR 0x1 -#define RTC_HR_REG_ADDR 0x2 -#define RTC_DAY_REG_ADDR 0x3 -#define RTC_DATE_REG_ADDR 0x4 -#define RTC_MON_REG_ADDR 0x5 -#define RTC_YR_REG_ADDR 0x6 -#define RTC_CTL_REG_ADDR 0x0e -#define RTC_STAT_REG_ADDR 0x0f - - -/* - * RTC control register bits - */ -#define RTC_CTL_BIT_A1IE 0x1 /* Alarm 1 interrupt enable */ -#define RTC_CTL_BIT_A2IE 0x2 /* Alarm 2 interrupt enable */ -#define RTC_CTL_BIT_INTCN 0x4 /* Interrupt control */ -#define RTC_CTL_BIT_RS1 0x8 /* Rate select 1 */ -#define RTC_CTL_BIT_RS2 0x10 /* Rate select 2 */ -#define RTC_CTL_BIT_DOSC 0x80 /* Disable Oscillator */ - -/* - * RTC status register bits - */ -#define RTC_STAT_BIT_A1F 0x1 /* Alarm 1 flag */ -#define RTC_STAT_BIT_A2F 0x2 /* Alarm 2 flag */ -#define RTC_STAT_BIT_OSF 0x80 /* Oscillator stop flag */ - - -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); - - -/* - * Get the current time from the RTC - */ -void rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, mday, wday, mon_cent, year, control, status; - - control = rtc_read (RTC_CTL_REG_ADDR); - status = rtc_read (RTC_STAT_REG_ADDR); - sec = rtc_read (RTC_SEC_REG_ADDR); - min = rtc_read (RTC_MIN_REG_ADDR); - hour = rtc_read (RTC_HR_REG_ADDR); - wday = rtc_read (RTC_DAY_REG_ADDR); - mday = rtc_read (RTC_DATE_REG_ADDR); - mon_cent = rtc_read (RTC_MON_REG_ADDR); - year = rtc_read (RTC_YR_REG_ADDR); - - DEBUGR ("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x control: %02x status: %02x\n", - year, mon_cent, mday, wday, hour, min, sec, control, status); - - if (status & RTC_STAT_BIT_OSF) { - printf ("### Warning: RTC oscillator has stopped\n"); - /* clear the OSF flag */ - rtc_write (RTC_STAT_REG_ADDR, - rtc_read (RTC_STAT_REG_ADDR) & ~RTC_STAT_BIT_OSF); - } - - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon_cent & 0x1F); - tmp->tm_year = bcd2bin (year) + ((mon_cent & 0x80) ? 2000 : 1900); - tmp->tm_wday = bcd2bin ((wday - 1) & 0x07); - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - DEBUGR ("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); -} - - -/* - * Set the RTC - */ -void rtc_set (struct rtc_time *tmp) -{ - uchar century; - - DEBUGR ("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); - - rtc_write (RTC_YR_REG_ADDR, bin2bcd (tmp->tm_year % 100)); - - century = (tmp->tm_year >= 2000) ? 0x80 : 0; - rtc_write (RTC_MON_REG_ADDR, bin2bcd (tmp->tm_mon) | century); - - rtc_write (RTC_DAY_REG_ADDR, bin2bcd (tmp->tm_wday + 1)); - rtc_write (RTC_DATE_REG_ADDR, bin2bcd (tmp->tm_mday)); - rtc_write (RTC_HR_REG_ADDR, bin2bcd (tmp->tm_hour)); - rtc_write (RTC_MIN_REG_ADDR, bin2bcd (tmp->tm_min)); - rtc_write (RTC_SEC_REG_ADDR, bin2bcd (tmp->tm_sec)); -} - - -/* - * Reset the RTC. We also enable the oscillator output on the - * SQW/INTB* pin and program it for 32,768 Hz output. Note that - * according to the datasheet, turning on the square wave output - * increases the current drain on the backup battery from about - * 600 nA to 2uA. - */ -void rtc_reset (void) -{ - rtc_write (RTC_CTL_REG_ADDR, RTC_CTL_BIT_RS1 | RTC_CTL_BIT_RS2); -} - - -/* - * Helper functions - */ - -static -uchar rtc_read (uchar reg) -{ - return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg)); -} - - -static void rtc_write (uchar reg, uchar val) -{ - i2c_reg_write (CFG_I2C_RTC_ADDR, 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)); -} - -#endif diff --git a/rtc/m41t11.c b/rtc/m41t11.c deleted file mode 100644 index 81da33a..0000000 --- a/rtc/m41t11.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * (C) Copyright 2002 - * Andrew May, Viasat Inc, amay@viasat.com - * - * 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 - */ - -/* - * M41T11 Serial Access Timekeeper(R) SRAM - * can you believe a trademark on that? - */ - -/* #define DEBUG 1 */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> - -/* - I Don't have an example config file but this - is what should be done. - -#define CONFIG_RTC_M41T11 1 -#define CFG_I2C_RTC_ADDR 0x68 -#if 0 -#define CFG_M41T11_EXT_CENTURY_DATA -#else -#define CFG_M41T11_BASE_YEAR 2000 -#endif -*/ - -#if defined(CONFIG_RTC_M41T11) && defined(CFG_I2C_RTC_ADDR) && defined(CONFIG_CMD_DATE) - -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)); -} - - -/* ------------------------------------------------------------------------- */ -/* - these are simple defines for the chip local to here so they aren't too - verbose - DAY/DATE aren't nice but that is how they are on the data sheet -*/ -#define RTC_SEC_ADDR 0x0 -#define RTC_MIN_ADDR 0x1 -#define RTC_HOUR_ADDR 0x2 -#define RTC_DAY_ADDR 0x3 -#define RTC_DATE_ADDR 0x4 -#define RTC_MONTH_ADDR 0x5 -#define RTC_YEARS_ADDR 0x6 - -#define RTC_REG_CNT 7 - -#define RTC_CONTROL_ADDR 0x7 - - -#ifndef CFG_M41T11_EXT_CENTURY_DATA - -#define REG_CNT (RTC_REG_CNT+1) - -/* - you only get 00-99 for the year we will asume you - want from the year 2000 if you don't set the config -*/ -#ifndef CFG_M41T11_BASE_YEAR -#define CFG_M41T11_BASE_YEAR 2000 -#endif - -#else -/* we will store extra year info in byte 9*/ -#define M41T11_YEAR_DATA 0x8 -#define M41T11_YEAR_SIZE 1 -#define REG_CNT (RTC_REG_CNT+1+M41T11_YEAR_SIZE) -#endif - -#define M41T11_STORAGE_SZ (64-REG_CNT) - -void rtc_get (struct rtc_time *tmp) -{ - uchar data[RTC_REG_CNT]; - - i2c_read(CFG_I2C_RTC_ADDR, RTC_SEC_ADDR, 1, data, RTC_REG_CNT); - - if( data[RTC_SEC_ADDR] & 0x80 ){ - printf( "m41t11 RTC Clock stopped!!!\n" ); - } - tmp->tm_sec = bcd2bin (data[RTC_SEC_ADDR] & 0x7F); - tmp->tm_min = bcd2bin (data[RTC_MIN_ADDR] & 0x7F); - tmp->tm_hour = bcd2bin (data[RTC_HOUR_ADDR] & 0x3F); - tmp->tm_mday = bcd2bin (data[RTC_DATE_ADDR] & 0x3F); - tmp->tm_mon = bcd2bin (data[RTC_MONTH_ADDR]& 0x1F); -#ifndef CFG_M41T11_EXT_CENTURY_DATA - tmp->tm_year = CFG_M41T11_BASE_YEAR - + bcd2bin(data[RTC_YEARS_ADDR]) - + ((data[RTC_HOUR_ADDR]&0x40) ? 100 : 0); -#else - { - unsigned char cent; - i2c_read(CFG_I2C_RTC_ADDR, M41T11_YEAR_DATA, 1, ¢, M41T11_YEAR_SIZE); - if( !(data[RTC_HOUR_ADDR] & 0x80) ){ - printf( "m41t11 RTC: cann't keep track of years without CEB set\n" ); - } - if( (cent & 0x1) != ((data[RTC_HOUR_ADDR]&0x40)>>7) ){ - /*century flip store off new year*/ - cent += 1; - i2c_write(CFG_I2C_RTC_ADDR, M41T11_YEAR_DATA, 1, ¢, M41T11_YEAR_SIZE); - } - tmp->tm_year =((int)cent*100)+bcd2bin(data[RTC_YEARS_ADDR]); - } -#endif - tmp->tm_wday = bcd2bin (data[RTC_DAY_ADDR] & 0x07); - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - debug ( "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); -} - -void rtc_set (struct rtc_time *tmp) -{ - uchar data[RTC_REG_CNT]; - - debug ( "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); - - data[RTC_SEC_ADDR] = bin2bcd(tmp->tm_sec) & 0x7F;/*just in case*/ - data[RTC_MIN_ADDR] = bin2bcd(tmp->tm_min); - data[RTC_HOUR_ADDR] = bin2bcd(tmp->tm_hour) & 0x3F;/*handle cent stuff later*/ - data[RTC_DATE_ADDR] = bin2bcd(tmp->tm_mday) & 0x3F; - data[RTC_MONTH_ADDR] = bin2bcd(tmp->tm_mon); - data[RTC_DAY_ADDR] = bin2bcd(tmp->tm_wday) & 0x07; - - data[RTC_HOUR_ADDR] |= 0x80;/*we will always use CEB*/ - - data[RTC_YEARS_ADDR] = bin2bcd(tmp->tm_year%100);/*same thing either way*/ -#ifndef CFG_M41T11_EXT_CENTURY_DATA - if( ((tmp->tm_year - CFG_M41T11_BASE_YEAR) > 200) || - (tmp->tm_year < CFG_M41T11_BASE_YEAR) ){ - printf( "m41t11 RTC setting year out of range!!need recompile\n" ); - } - data[RTC_HOUR_ADDR] |= (tmp->tm_year - CFG_M41T11_BASE_YEAR) > 100 ? 0x40 : 0; -#else - { - unsigned char cent; - cent = tmp->tm_year ? tmp->tm_year / 100 : 0; - data[RTC_HOUR_ADDR] |= (cent & 0x1) ? 0x40 : 0; - i2c_write(CFG_I2C_RTC_ADDR, M41T11_YEAR_DATA, 1, ¢, M41T11_YEAR_SIZE); - } -#endif - i2c_write(CFG_I2C_RTC_ADDR, RTC_SEC_ADDR, 1, data, RTC_REG_CNT); -} - -void rtc_reset (void) -{ - unsigned char val; - /* clear all control & status registers */ - i2c_read(CFG_I2C_RTC_ADDR, RTC_SEC_ADDR, 1, &val, 1); - val = val & 0x7F;/*make sure we are running*/ - i2c_write(CFG_I2C_RTC_ADDR, RTC_SEC_ADDR, 1, &val, RTC_REG_CNT); - - i2c_read(CFG_I2C_RTC_ADDR, RTC_CONTROL_ADDR, 1, &val, 1); - val = val & 0x3F;/*turn off freq test keep calibration*/ - i2c_write(CFG_I2C_RTC_ADDR, RTC_CONTROL_ADDR, 1, &val, 1); -} - -int rtc_store(int addr, unsigned char* data, int size) -{ - /*don't let things wrap onto the time on a write*/ - if( (addr+size) >= M41T11_STORAGE_SZ ) - return 1; - return i2c_write( CFG_I2C_RTC_ADDR, REG_CNT+addr, 1, data, size ); -} - -int rtc_recall(int addr, unsigned char* data, int size) -{ - return i2c_read( CFG_I2C_RTC_ADDR, REG_CNT+addr, 1, data, size ); -} - -#endif diff --git a/rtc/m48t35ax.c b/rtc/m48t35ax.c deleted file mode 100644 index 0a0ffa8..0000000 --- a/rtc/m48t35ax.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * (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 - */ - -/* - * Date & Time support for ST Electronics M48T35Ax RTC - */ - -/*#define DEBUG */ - - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <config.h> - -#if defined(CONFIG_RTC_M48T35A) && 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); - -/* ------------------------------------------------------------------------- */ - -void rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, cent_day, date, month, year; - uchar ccr; /* Clock control register */ - - /* Lock RTC for read using clock control register */ - ccr = rtc_read(0); - ccr = ccr | 0x40; - rtc_write(0, ccr); - - sec = rtc_read (0x1); - min = rtc_read (0x2); - hour = rtc_read (0x3); - cent_day= rtc_read (0x4); - date = rtc_read (0x5); - month = rtc_read (0x6); - year = rtc_read (0x7); - - /* UNLock RTC */ - ccr = rtc_read(0); - ccr = ccr & 0xBF; - rtc_write(0, ccr); - - debug ( "Get RTC year: %02x month: %02x date: %02x cent_day: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, month, date, cent_day, - hour, min, sec ); - - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (date & 0x3F); - tmp->tm_mon = bcd2bin (month & 0x1F); - tmp->tm_year = bcd2bin (year) + ((cent_day & 0x10) ? 2000 : 1900); - tmp->tm_wday = bcd2bin (cent_day & 0x07); - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - debug ( "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); -} - -void rtc_set (struct rtc_time *tmp) -{ - uchar ccr; /* Clock control register */ - uchar century; - - debug ( "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); - - /* Lock RTC for write using clock control register */ - ccr = rtc_read(0); - ccr = ccr | 0x80; - rtc_write(0, ccr); - - rtc_write (0x07, bin2bcd(tmp->tm_year % 100)); - rtc_write (0x06, bin2bcd(tmp->tm_mon)); - rtc_write (0x05, bin2bcd(tmp->tm_mday)); - - century = ((tmp->tm_year >= 2000) ? 0x10 : 0) | 0x20; - rtc_write (0x04, bin2bcd(tmp->tm_wday) | century); - - rtc_write (0x03, bin2bcd(tmp->tm_hour)); - rtc_write (0x02, bin2bcd(tmp->tm_min )); - rtc_write (0x01, bin2bcd(tmp->tm_sec )); - - /* UNLock RTC */ - ccr = rtc_read(0); - ccr = ccr & 0x7F; - rtc_write(0, ccr); -} - -void rtc_reset (void) -{ - uchar val; - - /* Clear all clock control registers */ - rtc_write (0x0, 0x80); /* No Read Lock or calibration */ - - /* Clear stop bit */ - val = rtc_read (0x1); - val &= 0x7f; - rtc_write(0x1, val); - - /* Enable century / disable frequency test */ - val = rtc_read (0x4); - val = (val & 0xBF) | 0x20; - rtc_write(0x4, val); - - /* Clear write lock */ - rtc_write(0x0, 0); -} - -/* ------------------------------------------------------------------------- */ - -static uchar rtc_read (uchar reg) -{ - uchar val; - val = *(unsigned char *) - ((CFG_NVRAM_BASE_ADDR + CFG_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)); -} - -#endif diff --git a/rtc/max6900.c b/rtc/max6900.c deleted file mode 100644 index c75a8e0..0000000 --- a/rtc/max6900.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * (C) Copyright 2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 - */ - -/* - * Date & Time support for MAXIM MAX6900 RTC - */ - -/* #define DEBUG */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> - -#if defined(CONFIG_RTC_MAX6900) && defined(CONFIG_CMD_DATE) - -#ifndef CFG_I2C_RTC_ADDR -#define CFG_I2C_RTC_ADDR 0x50 -#endif - -/* ------------------------------------------------------------------------- */ - -static uchar rtc_read (uchar reg) -{ - return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg)); -} - -static void rtc_write (uchar reg, uchar val) -{ - i2c_reg_write (CFG_I2C_RTC_ADDR, reg, val); - udelay(2500); -} - -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)); -} - -/* ------------------------------------------------------------------------- */ - -void rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, mday, wday, mon, cent, year; - int retry = 1; - - do { - sec = rtc_read (0x80); - min = rtc_read (0x82); - hour = rtc_read (0x84); - mday = rtc_read (0x86); - mon = rtc_read (0x88); - wday = rtc_read (0x8a); - year = rtc_read (0x8c); - cent = rtc_read (0x92); - /* - * Check for seconds rollover - */ - if ((sec != 59) || (rtc_read(0x80) == sec)){ - retry = 0; - } - } while (retry); - - debug ( "Get RTC year: %02x mon: %02x cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, cent, mday, wday, - hour, min, sec ); - - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon & 0x1F); - tmp->tm_year = bcd2bin (year) + bcd2bin(cent) * 100; - tmp->tm_wday = bcd2bin (wday & 0x07); - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - debug ( "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); -} - -void rtc_set (struct rtc_time *tmp) -{ - - debug ( "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); - - rtc_write (0x9E, 0x00); - rtc_write (0x80, 0); /* Clear seconds to ensure no rollover */ - rtc_write (0x92, bin2bcd(tmp->tm_year / 100)); - rtc_write (0x8c, bin2bcd(tmp->tm_year % 100)); - rtc_write (0x8a, bin2bcd(tmp->tm_wday)); - rtc_write (0x88, bin2bcd(tmp->tm_mon)); - rtc_write (0x86, bin2bcd(tmp->tm_mday)); - rtc_write (0x84, bin2bcd(tmp->tm_hour)); - rtc_write (0x82, bin2bcd(tmp->tm_min )); - rtc_write (0x80, bin2bcd(tmp->tm_sec )); -} - -void rtc_reset (void) -{ -} - -#endif diff --git a/rtc/mc146818.c b/rtc/mc146818.c deleted file mode 100644 index ab377ed..0000000 --- a/rtc/mc146818.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * (C) Copyright 2001 - * Denis Peter MPL AG Switzerland. d.peter@mpl.ch - * - * 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 - */ - -/* - * Date & Time support for the MC146818 (PIXX4) RTC - */ - -/*#define DEBUG*/ - -#include <common.h> -#include <command.h> -#include <rtc.h> - -#if defined(CONFIG_RTC_MC146818) && 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); - -#define RTC_PORT_MC146818 CFG_ISA_IO_BASE_ADDRESS + 0x70 -#define RTC_SECONDS 0x00 -#define RTC_SECONDS_ALARM 0x01 -#define RTC_MINUTES 0x02 -#define RTC_MINUTES_ALARM 0x03 -#define RTC_HOURS 0x04 -#define RTC_HOURS_ALARM 0x05 -#define RTC_DAY_OF_WEEK 0x06 -#define RTC_DATE_OF_MONTH 0x07 -#define RTC_MONTH 0x08 -#define RTC_YEAR 0x09 -#define RTC_CONFIG_A 0x0A -#define RTC_CONFIG_B 0x0B -#define RTC_CONFIG_C 0x0C -#define RTC_CONFIG_D 0x0D - - -/* ------------------------------------------------------------------------- */ - -void rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, mday, wday, mon, year; - /* here check if rtc can be accessed */ - while((rtc_read(RTC_CONFIG_A)&0x80)==0x80); - sec = rtc_read (RTC_SECONDS); - min = rtc_read (RTC_MINUTES); - hour = rtc_read (RTC_HOURS); - mday = rtc_read (RTC_DATE_OF_MONTH); - wday = rtc_read (RTC_DAY_OF_WEEK); - mon = rtc_read (RTC_MONTH); - year = rtc_read (RTC_YEAR); -#ifdef CONFIG_AMIGAONEG3SE - wday -= 1; /* VIA 686 stores Sunday = 1, Monday = 2, ... */ -#endif -#ifdef RTC_DEBUG - printf ( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, - hour, min, sec ); - printf ( "Alarms: month: %02x hour: %02x min: %02x sec: %02x\n", - rtc_read (RTC_CONFIG_D) & 0x3F, - rtc_read (RTC_HOURS_ALARM), - rtc_read (RTC_MINUTES_ALARM), - rtc_read (RTC_SECONDS_ALARM) ); -#endif - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon & 0x1F); - tmp->tm_year = bcd2bin (year); - tmp->tm_wday = bcd2bin (wday & 0x07); - if(tmp->tm_year<70) - tmp->tm_year+=2000; - else - tmp->tm_year+=1900; - 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) -{ -#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 - rtc_write(RTC_CONFIG_B,0x82); /* disables the RTC to update the regs */ - - rtc_write (RTC_YEAR, bin2bcd(tmp->tm_year % 100)); - rtc_write (RTC_MONTH, bin2bcd(tmp->tm_mon)); -#ifdef CONFIG_AMIGAONEG3SE - rtc_write (RTC_DAY_OF_WEEK, bin2bcd(tmp->tm_wday)+1); -#else - rtc_write (RTC_DAY_OF_WEEK, bin2bcd(tmp->tm_wday)); -#endif - rtc_write (RTC_DATE_OF_MONTH, bin2bcd(tmp->tm_mday)); - rtc_write (RTC_HOURS, bin2bcd(tmp->tm_hour)); - rtc_write (RTC_MINUTES, bin2bcd(tmp->tm_min )); - rtc_write (RTC_SECONDS, bin2bcd(tmp->tm_sec )); - rtc_write(RTC_CONFIG_B,0x02); /* enables the RTC to update the regs */ - -} - -void rtc_reset (void) -{ - rtc_write(RTC_CONFIG_B,0x82); /* disables the RTC to update the regs */ - rtc_write(RTC_CONFIG_A,0x20); /* Normal OP */ - rtc_write(RTC_CONFIG_B,0x00); - rtc_write(RTC_CONFIG_B,0x00); - rtc_write(RTC_CONFIG_B,0x02); /* enables the RTC to update the regs */ -} - -/* ------------------------------------------------------------------------- */ - -#ifdef CFG_RTC_REG_BASE_ADDR -/* - * use direct memory access - */ -static uchar rtc_read (uchar reg) -{ - return(in8(CFG_RTC_REG_BASE_ADDR+reg)); -} - -static void rtc_write (uchar reg, uchar val) -{ - out8(CFG_RTC_REG_BASE_ADDR+reg, val); -} -#else -static uchar rtc_read (uchar reg) -{ - out8(RTC_PORT_MC146818,reg); - return(in8(RTC_PORT_MC146818+1)); -} - -static void rtc_write (uchar reg, uchar val) -{ - out8(RTC_PORT_MC146818,reg); - out8(RTC_PORT_MC146818+1,val); -} -#endif - -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 diff --git a/rtc/mcfrtc.c b/rtc/mcfrtc.c deleted file mode 100644 index 27386e5..0000000 --- a/rtc/mcfrtc.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. - * TsiChung Liew (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> - -#if defined(CONFIG_MCFRTC) && defined(CONFIG_CMD_DATE) - -#include <command.h> -#include <rtc.h> -#include <asm/immap.h> -#include <asm/rtc.h> - -#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 && CONFIG_CMD_DATE */ diff --git a/rtc/mk48t59.c b/rtc/mk48t59.c deleted file mode 100644 index bacdb5b..0000000 --- a/rtc/mk48t59.c +++ /dev/null @@ -1,237 +0,0 @@ -/* - * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Andreas Heppel <aheppel@sysgo.de> - * - * 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 - */ - -/* - * Date & Time support for the MK48T59 RTC - */ - -#undef RTC_DEBUG - -#include <common.h> -#include <command.h> -#include <config.h> -#include <rtc.h> -#include <mk48t59.h> - -#if defined(CONFIG_RTC_MK48T59) - -#if defined(CONFIG_BAB7xx) - -static uchar rtc_read (short reg) -{ - out8(RTC_PORT_ADDR0, reg & 0xFF); - out8(RTC_PORT_ADDR1, (reg>>8) & 0xFF); - return in8(RTC_PORT_DATA); -} - -static void rtc_write (short reg, uchar val) -{ - out8(RTC_PORT_ADDR0, reg & 0xFF); - out8(RTC_PORT_ADDR1, (reg>>8) & 0xFF); - out8(RTC_PORT_DATA, val); -} - -#elif defined(CONFIG_PCIPPC2) - -#include "../board/pcippc2/pcippc2.h" - -static uchar rtc_read (short reg) -{ - return in8(RTC(reg)); -} - -static void rtc_write (short reg, uchar val) -{ - out8(RTC(reg),val); -} - -#elif defined(CONFIG_AMIGAONEG3SE) - -#include "../board/MAI/AmigaOneG3SE/via686.h" -#include "../board/MAI/AmigaOneG3SE/memio.h" - - -static uchar rtc_read (short reg) -{ - out_byte(CMOS_ADDR, (uint8)reg); - return in_byte(CMOS_DATA); -} - -static void rtc_write (short reg, uchar val) -{ - out_byte(CMOS_ADDR, (uint8)reg); - out_byte(CMOS_DATA, (uint8)val); -} - -#elif defined(CONFIG_EVAL5200) - -static uchar rtc_read (short reg) -{ - return in8(RTC(reg)); -} - -static void rtc_write (short reg, uchar val) -{ - out8(RTC(reg),val); -} - -#else -# error Board specific rtc access functions should be supplied -#endif - -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)); -} - -/* ------------------------------------------------------------------------- */ - -void *nvram_read(void *dest, const short src, size_t count) -{ - uchar *d = (uchar *) dest; - short s = src; - - while (count--) - *d++ = rtc_read(s++); - - return dest; -} - -void nvram_write(short dest, const void *src, size_t count) -{ - short d = dest; - uchar *s = (uchar *) src; - - while (count--) - rtc_write(d++, *s++); -} - -#if defined(CONFIG_CMD_DATE) - -/* ------------------------------------------------------------------------- */ - -void rtc_get (struct rtc_time *tmp) -{ - uchar save_ctrl_a; - uchar sec, min, hour, mday, wday, mon, year; - - /* Simple: freeze the clock, read it and allow updates again */ - save_ctrl_a = rtc_read(RTC_CONTROLA); - - /* Set the register to read the value. */ - save_ctrl_a |= RTC_CA_READ; - rtc_write(RTC_CONTROLA, save_ctrl_a); - - sec = rtc_read (RTC_SECONDS); - min = rtc_read (RTC_MINUTES); - hour = rtc_read (RTC_HOURS); - mday = rtc_read (RTC_DAY_OF_MONTH); - wday = rtc_read (RTC_DAY_OF_WEEK); - mon = rtc_read (RTC_MONTH); - year = rtc_read (RTC_YEAR); - - /* re-enable update */ - save_ctrl_a &= ~RTC_CA_READ; - rtc_write(RTC_CONTROLA, save_ctrl_a); - -#ifdef RTC_DEBUG - printf ( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, - hour, min, sec ); -#endif - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon & 0x1F); - tmp->tm_year = bcd2bin (year); - tmp->tm_wday = bcd2bin (wday & 0x07); - if(tmp->tm_year<70) - tmp->tm_year+=2000; - else - tmp->tm_year+=1900; - 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) -{ - uchar save_ctrl_a; - -#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 - save_ctrl_a = rtc_read(RTC_CONTROLA); - - save_ctrl_a |= RTC_CA_WRITE; - rtc_write(RTC_CONTROLA, save_ctrl_a); /* disables the RTC to update the regs */ - - rtc_write (RTC_YEAR, bin2bcd(tmp->tm_year % 100)); - rtc_write (RTC_MONTH, bin2bcd(tmp->tm_mon)); - - rtc_write (RTC_DAY_OF_WEEK, bin2bcd(tmp->tm_wday)); - rtc_write (RTC_DAY_OF_MONTH, bin2bcd(tmp->tm_mday)); - rtc_write (RTC_HOURS, bin2bcd(tmp->tm_hour)); - rtc_write (RTC_MINUTES, bin2bcd(tmp->tm_min )); - rtc_write (RTC_SECONDS, bin2bcd(tmp->tm_sec )); - - save_ctrl_a &= ~RTC_CA_WRITE; - rtc_write(RTC_CONTROLA, save_ctrl_a); /* enables the RTC to update the regs */ -} - -void rtc_reset (void) -{ - uchar control_b; - - /* - * Start oscillator here. - */ - control_b = rtc_read(RTC_CONTROLB); - - control_b &= ~RTC_CB_STOP; - rtc_write(RTC_CONTROLB, control_b); -} - -void rtc_set_watchdog(short multi, short res) -{ - uchar wd_value; - - wd_value = RTC_WDS | ((multi & 0x1F) << 2) | (res & 0x3); - rtc_write(RTC_WATCHDOG, wd_value); -} - -#endif -#endif /* CONFIG_RTC_MK48T59 */ diff --git a/rtc/mpc5xxx.c b/rtc/mpc5xxx.c deleted file mode 100644 index 216386a..0000000 --- a/rtc/mpc5xxx.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * (C) Copyright 2004 - * Reinhard Meyer, EMK Elektronik GmbH - * r.meyer@emk-elektronik.de - * www.emk-elektronik.de - * - * 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 - */ - -/***************************************************************************** - * Date & Time support for internal RTC of MPC52xx - *****************************************************************************/ -/*#define DEBUG*/ - -#include <common.h> -#include <command.h> -#include <rtc.h> - -#if defined(CONFIG_RTC_MPC5200) && defined(CONFIG_CMD_DATE) - -/***************************************************************************** - * this structure should be defined in mpc5200.h ... - *****************************************************************************/ -typedef struct rtc5200 { - volatile ulong tsr; /* MBAR+0x800: time set register */ - volatile ulong dsr; /* MBAR+0x804: data set register */ - volatile ulong nysr; /* MBAR+0x808: new year and stopwatch register */ - volatile ulong aier; /* MBAR+0x80C: alarm and interrupt enable register */ - volatile ulong ctr; /* MBAR+0x810: current time register */ - volatile ulong cdr; /* MBAR+0x814: current data register */ - volatile ulong asir; /* MBAR+0x818: alarm and stopwatch interupt register */ - volatile ulong piber; /* MBAR+0x81C: periodic interrupt and bus error register */ - volatile ulong trdr; /* MBAR+0x820: test register/divides register */ -} RTC5200; - -#define RTC_SET 0x02000000 -#define RTC_PAUSE 0x01000000 - -/***************************************************************************** - * get time - *****************************************************************************/ -void rtc_get (struct rtc_time *tmp) -{ - RTC5200 *rtc = (RTC5200 *) (CFG_MBAR+0x800); - ulong time, date, time2; - - /* read twice to avoid getting a funny time when the second is just changing */ - do { - time = rtc->ctr; - date = rtc->cdr; - time2 = rtc->ctr; - } while (time != time2); - - tmp->tm_year = date & 0xfff; - tmp->tm_mon = (date >> 24) & 0xf; - tmp->tm_mday = (date >> 16) & 0x1f; - tmp->tm_wday = (date >> 21) & 7; - /* sunday is 7 in 5200 but 0 in rtc_time */ - if (tmp->tm_wday == 7) - tmp->tm_wday = 0; - tmp->tm_hour = (time >> 16) & 0x1f; - tmp->tm_min = (time >> 8) & 0x3f; - tmp->tm_sec = time & 0x3f; - - debug ( "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); -} - -/***************************************************************************** - * set time - *****************************************************************************/ -void rtc_set (struct rtc_time *tmp) -{ - RTC5200 *rtc = (RTC5200 *) (CFG_MBAR+0x800); - ulong time, date, year; - - debug ( "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); - - time = (tmp->tm_hour << 16) | (tmp->tm_min << 8) | tmp->tm_sec; - date = (tmp->tm_mon << 16) | tmp->tm_mday; - if (tmp->tm_wday == 0) - date |= (7 << 8); - else - date |= (tmp->tm_wday << 8); - year = tmp->tm_year; - - /* mask unwanted bits that might show up when rtc_time is corrupt */ - time &= 0x001f3f3f; - date &= 0x001f071f; - year &= 0x00000fff; - - /* pause and set the RTC */ - rtc->nysr = year; - rtc->dsr = date | RTC_PAUSE; - udelay (1000); - rtc->dsr = date | RTC_PAUSE | RTC_SET; - udelay (1000); - rtc->dsr = date | RTC_PAUSE; - udelay (1000); - rtc->dsr = date; - udelay (1000); - - rtc->tsr = time | RTC_PAUSE; - udelay (1000); - rtc->tsr = time | RTC_PAUSE | RTC_SET; - udelay (1000); - rtc->tsr = time | RTC_PAUSE; - udelay (1000); - rtc->tsr = time; - udelay (1000); -} - -/***************************************************************************** - * reset rtc circuit - *****************************************************************************/ -void rtc_reset (void) -{ - return; /* nothing to do */ -} - -#endif diff --git a/rtc/mpc8xx.c b/rtc/mpc8xx.c deleted file mode 100644 index 8d10c0e..0000000 --- a/rtc/mpc8xx.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 - */ - -/* - * Date & Time support for internal RTC of MPC8xx - */ - -/*#define DEBUG*/ - -#include <common.h> -#include <command.h> -#include <rtc.h> - -#if defined(CONFIG_RTC_MPC8xx) && defined(CONFIG_CMD_DATE) - -/* ------------------------------------------------------------------------- */ - -void rtc_get (struct rtc_time *tmp) -{ - volatile immap_t *immr = (immap_t *)CFG_IMMR; - ulong tim; - - tim = immr->im_sit.sit_rtc; - - to_tm (tim, tmp); - - debug ( "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); -} - -void rtc_set (struct rtc_time *tmp) -{ - volatile immap_t *immr = (immap_t *)CFG_IMMR; - ulong tim; - - debug ( "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); - - tim = mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday, - tmp->tm_hour, tmp->tm_min, tmp->tm_sec); - - immr->im_sitk.sitk_rtck = KAPWR_KEY; - immr->im_sit.sit_rtc = tim; -} - -void rtc_reset (void) -{ - return; /* nothing to do */ -} - -#endif diff --git a/rtc/pcf8563.c b/rtc/pcf8563.c deleted file mode 100644 index 2d73d5d..0000000 --- a/rtc/pcf8563.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 - */ - -/* - * Date & Time support for Philips PCF8563 RTC - */ - -/* #define DEBUG */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> - -#if defined(CONFIG_RTC_PCF8563) && 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); - -/* ------------------------------------------------------------------------- */ - -void rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, mday, wday, mon_cent, year; - - sec = rtc_read (0x02); - min = rtc_read (0x03); - hour = rtc_read (0x04); - mday = rtc_read (0x05); - wday = rtc_read (0x06); - mon_cent= rtc_read (0x07); - year = rtc_read (0x08); - - debug ( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon_cent, mday, wday, - hour, min, sec ); - debug ( "Alarms: wday: %02x day: %02x hour: %02x min: %02x\n", - rtc_read (0x0C), - rtc_read (0x0B), - rtc_read (0x0A), - rtc_read (0x09) ); - - if (sec & 0x80) { - puts ("### Warning: RTC Low Voltage - date/time not reliable\n"); - } - - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon_cent & 0x1F); - tmp->tm_year = bcd2bin (year) + ((mon_cent & 0x80) ? 2000 : 1900); - tmp->tm_wday = bcd2bin (wday & 0x07); - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - debug ( "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); -} - -void rtc_set (struct rtc_time *tmp) -{ - uchar century; - - debug ( "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); - - rtc_write (0x08, bin2bcd(tmp->tm_year % 100)); - - century = (tmp->tm_year >= 2000) ? 0x80 : 0; - rtc_write (0x07, bin2bcd(tmp->tm_mon) | century); - - rtc_write (0x06, bin2bcd(tmp->tm_wday)); - rtc_write (0x05, bin2bcd(tmp->tm_mday)); - rtc_write (0x04, bin2bcd(tmp->tm_hour)); - rtc_write (0x03, bin2bcd(tmp->tm_min )); - rtc_write (0x02, bin2bcd(tmp->tm_sec )); -} - -void rtc_reset (void) -{ - /* clear all control & status registers */ - rtc_write (0x00, 0x00); - rtc_write (0x01, 0x00); - rtc_write (0x0D, 0x00); - - /* clear Voltage Low bit */ - rtc_write (0x02, rtc_read (0x02) & 0x7F); - - /* reset all alarms */ - rtc_write (0x09, 0x00); - rtc_write (0x0A, 0x00); - rtc_write (0x0B, 0x00); - rtc_write (0x0C, 0x00); -} - -/* ------------------------------------------------------------------------- */ - -static uchar rtc_read (uchar reg) -{ - return (i2c_reg_read (CFG_I2C_RTC_ADDR, reg)); -} - -static void rtc_write (uchar reg, uchar val) -{ - i2c_reg_write (CFG_I2C_RTC_ADDR, 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)); -} - -#endif diff --git a/rtc/rs5c372.c b/rtc/rs5c372.c deleted file mode 100644 index 3d1346e..0000000 --- a/rtc/rs5c372.c +++ /dev/null @@ -1,302 +0,0 @@ -/* - * rs5c372.c - * - * Device driver for Ricoh's Real Time Controller RS5C372A. - * - * Copyright (C) 2004 Gary Jennejohn garyj@denx.de - * - * Based in part in ds1307.c - - * (C) Copyright 2001, 2002, 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * Keith Outwater, keith_outwater@mvis.com` - * Steven Scholz, steven.scholz@imc-berlin.de - * - * 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 version 2 as - * published by the Free Software Foundation. - * - * 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 <i2c.h> - -#if defined(CONFIG_RTC_RS5C372A) && defined(CONFIG_CMD_DATE) -/* - * Reads are always done starting with register 15, which requires some - * jumping-through-hoops to access the data correctly. - * - * Writes are always done starting with register 0. - */ - -#define DEBUG 0 - -#if DEBUG -static unsigned int rtc_debug = DEBUG; -#else -#define rtc_debug 0 /* gcc will remove all the debug code for us */ -#endif - -#ifndef CFG_I2C_RTC_ADDR -#define CFG_I2C_RTC_ADDR 0x32 -#endif - -#define RS5C372_RAM_SIZE 0x10 -#define RATE_32000HZ 0x80 /* Rate Select 32.000KHz */ -#define RATE_32768HZ 0x00 /* Rate Select 32.768KHz */ - -#define STATUS_XPT 0x10 /* data invalid because voltage was 0 */ - -#define USE_24HOUR_MODE 0x20 -#define TWELVE_HOUR_MODE(n) ((((n) >> 5) & 1) == 0) -#define HOURS_AP(n) (((n) >> 5) & 1) -#define HOURS_12(n) bcd2bin((n) & 0x1F) -#define HOURS_24(n) bcd2bin((n) & 0x3F) - - -static uchar bin2bcd (unsigned int n); -static unsigned bcd2bin (uchar c); - -static int setup_done = 0; - -static int -rs5c372_readram(unsigned char *buf, int len) -{ - int ret; - - ret = i2c_read(CFG_I2C_RTC_ADDR, 0, 0, buf, len); - if (ret != 0) { - printf("%s: failed to read\n", __FUNCTION__); - return ret; - } - - if (buf[0] & STATUS_XPT) - printf("### Warning: RTC lost power\n"); - - return ret; -} - -static void -rs5c372_enable(void) -{ - unsigned char buf[RS5C372_RAM_SIZE + 1]; - int ret; - - /* note that this returns reg. 15 in buf[1] */ - ret = rs5c372_readram(&buf[1], RS5C372_RAM_SIZE); - if (ret != 0) { - printf("%s: failed\n", __FUNCTION__); - return; - } - - buf[0] = 0; - /* we want to start writing at register 0 so we have to copy the */ - /* register contents up one slot */ - for (ret = 2; ret < 9; ret++) - buf[ret - 1] = buf[ret]; - /* registers 0 to 6 (time values) are not touched */ - buf[8] = RATE_32768HZ; /* reg. 7 */ - buf[9] = 0; /* reg. 8 */ - buf[10] = 0; /* reg. 9 */ - buf[11] = 0; /* reg. 10 */ - buf[12] = 0; /* reg. 11 */ - buf[13] = 0; /* reg. 12 */ - buf[14] = 0; /* reg. 13 */ - buf[15] = 0; /* reg. 14 */ - buf[16] = USE_24HOUR_MODE; /* reg. 15 */ - ret = i2c_write(CFG_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1); - if (ret != 0) { - printf("%s: failed\n", __FUNCTION__); - return; - } - setup_done = 1; - - return; -} - -static void -rs5c372_convert_to_time(struct rtc_time *dt, unsigned char *buf) -{ - /* buf[0] is register 15 */ - dt->tm_sec = bcd2bin(buf[1]); - dt->tm_min = bcd2bin(buf[2]); - - if (TWELVE_HOUR_MODE(buf[0])) { - dt->tm_hour = HOURS_12(buf[3]); - if (HOURS_AP(buf[3])) /* PM */ - dt->tm_hour += 12; - } else /* 24-hour-mode */ - dt->tm_hour = HOURS_24(buf[3]); - - dt->tm_mday = bcd2bin(buf[5]); - dt->tm_mon = bcd2bin(buf[6]); - dt->tm_year = bcd2bin(buf[7]); - if (dt->tm_year >= 70) - dt->tm_year += 1900; - else - dt->tm_year += 2000; - /* 0 is Sunday */ - dt->tm_wday = bcd2bin(buf[4] & 0x07); - dt->tm_yday = 0; - dt->tm_isdst= 0; - - if(rtc_debug > 2) { - printf("rs5c372_convert_to_time: year = %d\n", dt->tm_year); - printf("rs5c372_convert_to_time: mon = %d\n", dt->tm_mon); - printf("rs5c372_convert_to_time: mday = %d\n", dt->tm_mday); - printf("rs5c372_convert_to_time: hour = %d\n", dt->tm_hour); - printf("rs5c372_convert_to_time: min = %d\n", dt->tm_min); - printf("rs5c372_convert_to_time: sec = %d\n", dt->tm_sec); - } -} - -/* - * Get the current time from the RTC - */ -void -rtc_get (struct rtc_time *tmp) -{ - unsigned char buf[RS5C372_RAM_SIZE]; - int ret; - - if (!setup_done) - rs5c372_enable(); - - if (!setup_done) - return; - - memset(buf, 0, sizeof(buf)); - - /* note that this returns reg. 15 in buf[0] */ - ret = rs5c372_readram(buf, RS5C372_RAM_SIZE); - if (ret != 0) { - printf("%s: failed\n", __FUNCTION__); - return; - } - - rs5c372_convert_to_time(tmp, buf); - - return; -} - -/* - * Set the RTC - */ -void -rtc_set (struct rtc_time *tmp) -{ - unsigned char buf[8], reg15; - int ret; - - if (!setup_done) - rs5c372_enable(); - - if (!setup_done) - return; - - if(rtc_debug > 2) { - printf("rtc_set: tm_year = %d\n", tmp->tm_year); - printf("rtc_set: tm_mon = %d\n", tmp->tm_mon); - printf("rtc_set: tm_mday = %d\n", tmp->tm_mday); - printf("rtc_set: tm_hour = %d\n", tmp->tm_hour); - printf("rtc_set: tm_min = %d\n", tmp->tm_min); - printf("rtc_set: tm_sec = %d\n", tmp->tm_sec); - } - - memset(buf, 0, sizeof(buf)); - - /* only read register 15 */ - ret = i2c_read(CFG_I2C_RTC_ADDR, 0, 0, buf, 1); - - if (ret == 0) { - /* need to save register 15 */ - reg15 = buf[0]; - buf[0] = 0; /* register address on RS5C372 */ - buf[1] = bin2bcd(tmp->tm_sec); - buf[2] = bin2bcd(tmp->tm_min); - /* need to handle 12 hour mode */ - if (TWELVE_HOUR_MODE(reg15)) { - if (tmp->tm_hour >= 12) { /* PM */ - /* 12 PM is a special case */ - if (tmp->tm_hour == 12) - buf[3] = bin2bcd(tmp->tm_hour); - else - buf[3] = bin2bcd(tmp->tm_hour - 12); - buf[3] |= 0x20; - } - } else { - buf[3] = bin2bcd(tmp->tm_hour); - } - - buf[4] = bin2bcd(tmp->tm_wday); - buf[5] = bin2bcd(tmp->tm_mday); - buf[6] = bin2bcd(tmp->tm_mon); - if (tmp->tm_year < 1970 || tmp->tm_year > 2069) - printf("WARNING: year should be between 1970 and 2069!\n"); - buf[7] = bin2bcd(tmp->tm_year % 100); - - ret = i2c_write(CFG_I2C_RTC_ADDR, 0, 0, buf, 8); - if (ret != 0) - printf("rs5c372_set_datetime(), i2c_master_send() returned %d\n",ret); - } - - return; -} - -/* - * Reset the RTC. We set the date back to 1970-01-01. - */ -void -rtc_reset (void) -{ - struct rtc_time tmp; - - if (!setup_done) - rs5c372_enable(); - - if (!setup_done) - return; - - tmp.tm_year = 1970; - tmp.tm_mon = 1; - /* Jan. 1, 1970 was a Thursday */ - tmp.tm_wday= 4; - tmp.tm_mday= 1; - tmp.tm_hour = 0; - tmp.tm_min = 0; - tmp.tm_sec = 0; - - rtc_set(&tmp); - - printf ("RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n", - tmp.tm_year, tmp.tm_mon, tmp.tm_mday, - tmp.tm_hour, tmp.tm_min, tmp.tm_sec); - - return; -} - -static unsigned int -bcd2bin (unsigned char n) -{ - return ((((n >> 4) & 0x0F) * 10) + (n & 0x0F)); -} - -static unsigned char -bin2bcd (unsigned int n) -{ - return (((n / 10) << 4) | (n % 10)); -} -#endif diff --git a/rtc/s3c24x0_rtc.c b/rtc/s3c24x0_rtc.c deleted file mode 100644 index 7f8b4fa..0000000 --- a/rtc/s3c24x0_rtc.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * (C) Copyright 2003 - * David Müller ELSOFT AG Switzerland. d.mueller@elsoft.ch - * - * 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 - */ - -/* - * Date & Time support for the built-in Samsung S3C24X0 RTC - */ - -#include <common.h> -#include <command.h> - -#if defined(CONFIG_RTC_S3C24X0) && (defined(CONFIG_CMD_DATE)) - -#if defined(CONFIG_S3C2400) -#include <s3c2400.h> -#elif defined(CONFIG_S3C2410) -#include <s3c2410.h> -#endif - -#include <rtc.h> - -/*#define DEBUG*/ - -typedef enum { - RTC_ENABLE, - RTC_DISABLE -} RTC_ACCESS; - - -static inline void SetRTC_Access(RTC_ACCESS a) -{ - S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC(); - switch (a) { - case RTC_ENABLE: - rtc->RTCCON |= 0x01; break; - - case RTC_DISABLE: - rtc->RTCCON &= ~0x01; break; - } -} - -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)); -} - -/* ------------------------------------------------------------------------- */ - -void rtc_get (struct rtc_time *tmp) -{ - S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC(); - uchar sec, min, hour, mday, wday, mon, year; - uchar a_sec,a_min, a_hour, a_date, a_mon, a_year, a_armed; - - /* enable access to RTC registers */ - SetRTC_Access(RTC_ENABLE); - - /* read RTC registers */ - do { - sec = rtc->BCDSEC; - min = rtc->BCDMIN; - hour = rtc->BCDHOUR; - mday = rtc->BCDDATE; - wday = rtc->BCDDAY; - mon = rtc->BCDMON; - year = rtc->BCDYEAR; - } while (sec != rtc->BCDSEC); - - /* read ALARM registers */ - a_sec = rtc->ALMSEC; - a_min = rtc->ALMMIN; - a_hour = rtc->ALMHOUR; - a_date = rtc->ALMDATE; - a_mon = rtc->ALMMON; - a_year = rtc->ALMYEAR; - a_armed = rtc->RTCALM; - - /* disable access to RTC registers */ - SetRTC_Access(RTC_DISABLE); - -#ifdef RTC_DEBUG - printf ( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, - hour, min, sec); - printf ( "Alarms: %02x: year: %02x month: %02x date: %02x hour: %02x min: %02x sec: %02x\n", - a_armed, - a_year, a_mon, a_date, - a_hour, a_min, a_sec); -#endif - - tmp->tm_sec = bcd2bin(sec & 0x7F); - tmp->tm_min = bcd2bin(min & 0x7F); - tmp->tm_hour = bcd2bin(hour & 0x3F); - tmp->tm_mday = bcd2bin(mday & 0x3F); - tmp->tm_mon = bcd2bin(mon & 0x1F); - tmp->tm_year = bcd2bin(year); - tmp->tm_wday = bcd2bin(wday & 0x07); - if(tmp->tm_year<70) - tmp->tm_year+=2000; - else - tmp->tm_year+=1900; - 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) -{ - S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC(); - uchar sec, min, hour, mday, wday, mon, year; - -#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 - year = bin2bcd(tmp->tm_year % 100); - mon = bin2bcd(tmp->tm_mon); - wday = bin2bcd(tmp->tm_wday); - mday = bin2bcd(tmp->tm_mday); - hour = bin2bcd(tmp->tm_hour); - min = bin2bcd(tmp->tm_min); - sec = bin2bcd(tmp->tm_sec); - - /* enable access to RTC registers */ - SetRTC_Access(RTC_ENABLE); - - /* write RTC registers */ - rtc->BCDSEC = sec; - rtc->BCDMIN = min; - rtc->BCDHOUR = hour; - rtc->BCDDATE = mday; - rtc->BCDDAY = wday; - rtc->BCDMON = mon; - rtc->BCDYEAR = year; - - /* disable access to RTC registers */ - SetRTC_Access(RTC_DISABLE); -} - -void rtc_reset (void) -{ - S3C24X0_RTC * const rtc = S3C24X0_GetBase_RTC(); - - rtc->RTCCON = (rtc->RTCCON & ~0x06) | 0x08; - rtc->RTCCON &= ~(0x08|0x01); -} - -#endif |