patch-2.1.48 linux/include/asm-ppc/mc146818rtc.h
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- Lines: 110
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.1.47/linux/include/asm-ppc/mc146818rtc.h
- Orig date:
Mon May 27 02:00:59 1996
diff -u --recursive --new-file v2.1.47/linux/include/asm-ppc/mc146818rtc.h linux/include/asm-ppc/mc146818rtc.h
@@ -1,109 +0,0 @@
-/* mc146818rtc.h - register definitions for the Real-Time-Clock / CMOS RAM
- * Copyright Torsten Duwe <duwe@informatik.uni-erlangen.de> 1993
- * derived from Data Sheet, Copyright Motorola 1984 (!).
- * It was written to be part of the Linux operating system.
- */
-/* permission is hereby granted to copy, modify and redistribute this code
- * in terms of the GNU Library General Public License, Version 2 or later,
- * at your option.
- */
-
-#ifndef _MC146818RTC_H
-#define _MC146818RTC_H
-#include <asm/io.h>
-
-#ifndef MCRTC_PORT
-#define MCRTC_PORT(x) (0x70 + (x))
-#define MCRTC_ALWAYS_BCD 1
-#endif
-
-#define CMOS_MCRTC_READ(addr) ({ \
-outb_p((addr),MCRTC_PORT(0)); \
-inb_p(MCRTC_PORT(1)); \
-})
-#define CMOS_MCRTC_WRITE(val, addr) ({ \
-outb_p((addr),MCRTC_PORT(0)); \
-outb_p((val),MCRTC_PORT(1)); \
-})
-
-/**********************************************************************
- * register summary
- **********************************************************************/
-#define MCRTC_SECONDS 0
-#define MCRTC_SECONDS_ALARM 1
-#define MCRTC_MINUTES 2
-#define MCRTC_MINUTES_ALARM 3
-#define MCRTC_HOURS 4
-#define MCRTC_HOURS_ALARM 5
-/* RTC_*_alarm is always true if 2 MSBs are set */
-# define MCRTC_ALARM_DONT_CARE 0xC0
-
-#define MCRTC_DAY_OF_WEEK 6
-#define MCRTC_DAY_OF_MONTH 7
-#define MCRTC_MONTH 8
-#define MCRTC_YEAR 9
-
-/* control registers - Moto names
- */
-#define MCRTC_REG_A 10
-#define MCRTC_REG_B 11
-#define MCRTC_REG_C 12
-#define MCRTC_REG_D 13
-
-/**********************************************************************
- * register details
- **********************************************************************/
-#define MCRTC_FREQ_SELECT MCRTC_REG_A
-
-/* update-in-progress - set to "1" 244 microsecs before RTC goes off the bus,
- * reset after update (may take 1.984ms @ 32768Hz RefClock) is complete,
- * totalling to a max high interval of 2.228 ms.
- */
-# define MCRTC_UIP 0x80
-# define MCRTC_DIV_CTL 0x70
- /* divider control: refclock values 4.194 / 1.049 MHz / 32.768 kHz */
-# define MCRTC_REF_CLCK_4MHZ 0x00
-# define MCRTC_REF_CLCK_1MHZ 0x10
-# define MCRTC_REF_CLCK_32KHZ 0x20
- /* 2 values for divider stage reset, others for "testing purposes only" */
-# define MCRTC_DIV_RESET1 0x60
-# define MCRTC_DIV_RESET2 0x70
- /* Periodic intr. / Square wave rate select. 0=none, 1=32.8kHz,... 15=2Hz */
-# define MCRTC_RATE_SELECT 0x0F
-
-/**********************************************************************/
-#define MCRTC_CONTROL MCRTC_REG_B
-# define MCRTC_SET 0x80 /* disable updates for clock setting */
-# define MCRTC_PIE 0x40 /* periodic interrupt enable */
-# define MCRTC_AIE 0x20 /* alarm interrupt enable */
-# define MCRTC_UIE 0x10 /* update-finished interrupt enable */
-# define MCRTC_SQWE 0x08 /* enable square-wave output */
-# define MCRTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */
-# define MCRTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */
-# define MCRTC_DST_EN 0x01 /* auto switch DST - works f. USA only */
-
-/**********************************************************************/
-#define MCRTC_INTR_FLAGS MCRTC_REG_C
-/* caution - cleared by read */
-# define MCRTC_IRQF 0x80 /* any of the following 3 is active */
-# define MCRTC_PF 0x40
-# define MCRTC_AF 0x20
-# define MCRTC_UF 0x10
-
-/**********************************************************************/
-#define MCRTC_VALID MCRTC_REG_D
-# define MCRTC_VRT 0x80 /* valid RAM and time */
-/**********************************************************************/
-
-/* example: !(CMOS_READ(MCRTC_CONTROL) & MCRTC_DM_BINARY)
- * determines if the following two #defines are needed
- */
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-
-#endif /* _MC146818RTC_H */
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