CONFIG_RTC_DS1337 - use Maxim, Inc. DS1337 RTC
CONFIG_RTC_DS1338 - use Maxim, Inc. DS1338 RTC
CONFIG_RTC_DS1339 - use Maxim, Inc. DS1339 RTC
- CONFIG_RTC_DS164x - use Dallas DS164x RTC
CONFIG_RTC_ISL1208 - use Intersil ISL1208 RTC
CONFIG_RTC_MAX6900 - use Maxim, Inc. MAX6900 RTC
CONFIG_RTC_DS1337_NOOSC - Turn off the OSC output for DS1337
obj-$(CONFIG_RTC_DS1337) += ds1337.o
obj-$(CONFIG_RTC_DS1374) += ds1374.o
obj-$(CONFIG_RTC_DS1388) += ds1337.o
-obj-$(CONFIG_RTC_DS1556) += ds1556.o
-obj-$(CONFIG_RTC_DS164x) += ds164x.o
-obj-$(CONFIG_RTC_DS174x) += ds174x.o
obj-$(CONFIG_RTC_DS3231) += ds3231.o
obj-$(CONFIG_RTC_DS3232) += ds3232.o
obj-$(CONFIG_RTC_EMULATION) += emul_rtc.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (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
- */
-
-/*
- * Date & Time support for the DS1556 RTC
- */
-
-/*#define RTC_DEBUG */
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-
-#if defined(CONFIG_CMD_DATE)
-
-static uchar rtc_read( unsigned int addr );
-static void rtc_write( unsigned int addr, uchar val);
-
-#define RTC_BASE ( CONFIG_SYS_NVRAM_SIZE + CONFIG_SYS_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
-
-/* ------------------------------------------------------------------------- */
-
-int 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
- return 0;
-}
-
-int 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 ));
-
- return 0;
-}
-
-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;
-}
-
-#endif
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (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
- */
-
-/*
- * Date & Time support for the DS164x RTC
- */
-
-/* #define RTC_DEBUG */
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-
-
-static uchar rtc_read(unsigned int addr );
-static void rtc_write(unsigned int addr, uchar val);
-
-#define RTC_EPOCH 2000 /* century */
-
-/*
- * DS164x registers layout
- */
-#define RTC_BASE ( CONFIG_SYS_NVRAM_BASE_ADDR + CONFIG_SYS_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
-
-/* ------------------------------------------------------------------------- */
-
-int 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
-
- return 0;
-}
-
-int 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 ));
-
- return 0;
-}
-
-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;
-}
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2001
- * ARIO Data Networks, Inc. dchiu@ariodata.com
- *
- * Based on MontaVista DS1743 code and U-Boot mc146818 code
- */
-
-/*
- * Date & Time support for the DS174x RTC
- */
-
-/*#define DEBUG*/
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-
-static uchar rtc_read( unsigned int addr );
-static void rtc_write( unsigned int addr, uchar val);
-
-#define RTC_BASE ( CONFIG_SYS_NVRAM_SIZE + CONFIG_SYS_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
-
-/* ------------------------------------------------------------------------- */
-
-int 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
- return 0;
-}
-
-int 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 ));
-
- return 0;
-}
-
-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 );
-}
projects / uboot.git / commitdiff