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Diffstat (limited to 'c/src/lib/libbsp/i386/pc386/clock/rtc.c')
-rw-r--r--c/src/lib/libbsp/i386/pc386/clock/rtc.c216
1 files changed, 0 insertions, 216 deletions
diff --git a/c/src/lib/libbsp/i386/pc386/clock/rtc.c b/c/src/lib/libbsp/i386/pc386/clock/rtc.c
deleted file mode 100644
index 185248669c..0000000000
--- a/c/src/lib/libbsp/i386/pc386/clock/rtc.c
+++ /dev/null
@@ -1,216 +0,0 @@
-/*-------------------------------------------------------------------------+
-| rtc.c v1.1 - PC386 BSP - 1997/08/07
-+--------------------------------------------------------------------------+
-| This file contains the real time clock manipulation package for the
-| PC386 board.
-+--------------------------------------------------------------------------+
-| (C) Copyright 1997 -
-| - NavIST Group - Real-Time Distributed Systems and Industrial Automation
-|
-| http://pandora.ist.utl.pt
-|
-| Instituto Superior Tecnico * Lisboa * PORTUGAL
-+--------------------------------------------------------------------------+
-| Disclaimer:
-|
-| This file is provided "AS IS" without warranty of any kind, either
-| expressed or implied.
-+--------------------------------------------------------------------------+
-| This code is based on:
-| rtc.c,v 1.4 1995/12/19 20:07:15 joel Exp - go32 BSP
-| With the following copyright notice:
-| **************************************************************************
-| * COPYRIGHT (c) 1989-1999.
-| * On-Line Applications Research Corporation (OAR).
-| *
-| * The license and distribution terms for this file may be
-| * found in the file LICENSE in this distribution or at
-| * http://www.rtems.org/license/LICENSE.
-| **************************************************************************
-+--------------------------------------------------------------------------*/
-
-#include <string.h>
-
-#include <bsp.h>
-
-/*-------------------------------------------------------------------------+
-| Constants
-+--------------------------------------------------------------------------*/
-#define IO_RTC 0x70 /* RTC */
-
-#define RTC_SEC 0x00 /* seconds */
-#define RTC_SECALRM 0x01 /* seconds alarm */
-#define RTC_MIN 0x02 /* minutes */
-#define RTC_MINALRM 0x03 /* minutes alarm */
-#define RTC_HRS 0x04 /* hours */
-#define RTC_HRSALRM 0x05 /* hours alarm */
-#define RTC_WDAY 0x06 /* week day */
-#define RTC_DAY 0x07 /* day of month */
-#define RTC_MONTH 0x08 /* month of year */
-#define RTC_YEAR 0x09 /* month of year */
-#define RTC_STATUSA 0x0a /* status register A */
-#define RTCSA_TUP 0x80 /* time update, don't look now */
-
-#define RTC_STATUSB 0x0b /* status register B */
-
-#define RTC_INTR 0x0c /* status register C (R) interrupt source */
-#define RTCIR_UPDATE 0x10 /* update intr */
-#define RTCIR_ALARM 0x20 /* alarm intr */
-#define RTCIR_PERIOD 0x40 /* periodic intr */
-#define RTCIR_INT 0x80 /* interrupt output signal */
-
-#define RTC_STATUSD 0x0d /* status register D (R) Lost Power */
-#define RTCSD_PWR 0x80 /* clock lost power */
-
-#define RTC_DIAG 0x0e /* status register E - bios diagnostic */
-#define RTCDG_BITS "\020\010clock_battery\007ROM_cksum\006config_unit\005memory_size\004fixed_disk\003invalid_time"
-
-#define RTC_CENTURY 0x32 /* current century - increment in Dec99 */
-
-/*-------------------------------------------------------------------------+
-| Auxiliary Functions
-+--------------------------------------------------------------------------*/
-/*-------------------------------------------------------------------------+
-| Function: bcd
-| Description: Convert 2 digit number to its BCD representation.
-| Global Variables: None.
-| Arguments: i - Number to convert.
-| Returns: BCD representation of number.
-+--------------------------------------------------------------------------*/
-static inline uint8_t
-bcd(uint8_t i)
-{
- return ((i / 16) * 10 + (i % 16));
-} /* bcd */
-
-#define QUICK_READ /* Quick read of the RTC: don't return number of seconds. */
-
-#ifndef QUICK_READ
-
-#define SECS_PER_DAY (24 * 60 * 60)
-#define SECS_PER_REG_YEAR (365 * SECS_PER_DAY)
-
-/*-------------------------------------------------------------------------+
-| Function: ytos
-| Description: Convert years to seconds (since 1970).
-| Global Variables: None.
-| Arguments: y - year to convert (1970 <= y <= 2100).
-| Returns: number of seconds since 1970.
-+--------------------------------------------------------------------------*/
-static inline uint32_t
-ytos(uint16_t y)
-{ /* v NUM LEAP YEARS v */
- return ((y - 1970) * SECS_PER_REG_YEAR + (y - 1970 + 1) / 4 * SECS_PER_DAY);
-} /* ytos */
-
-/*-------------------------------------------------------------------------+
-| Function: mtos
-| Description: Convert months to seconds since January.
-| Global Variables: None.
-| Arguments: m - month to convert, leap - is this a month of a leap year.
-| Returns: number of seconds since January.
-+--------------------------------------------------------------------------*/
-static inline uint32_t
-mtos(uint8_t m, bool leap)
-{
- static uint16_t daysMonth[] = { 0, 0, 31, 59, 90, 120, 151, 181,
- 212, 243, 273, 304, 334, 365 };
- /* Days since beginning of year until beginning of month. */
-
- return ((daysMonth[m] + (leap ? 1 : 0)) * SECS_PER_DAY);
-} /* mtos */
-
-#endif /* QUICK_READ */
-
-/*-------------------------------------------------------------------------+
-| Function: rtcin
-| Description: Perform action on RTC and return its result.
-| Global Variables: None.
-| Arguments: what - what to write to RTC port (what to do).
-| Returns: result received from RTC port after action performed.
-+--------------------------------------------------------------------------*/
-static inline uint8_t
-rtcin(uint8_t what)
-{
- uint8_t r;
-
- outport_byte(IO_RTC, what);
- inport_byte (IO_RTC+1, r);
- return r;
-} /* rtcin */
-
-/*-------------------------------------------------------------------------+
-| Functions
-+--------------------------------------------------------------------------*/
-/*-------------------------------------------------------------------------+
-| Function: init_rtc
-| Description: Initialize real-time clock (RTC).
-| Global Variables: None.
-| Arguments: None.
-| Returns: Nothing.
-+--------------------------------------------------------------------------*/
-void
-init_rtc(void)
-{
- uint8_t s;
-
- /* initialize brain-dead battery powered clock */
- outport_byte(IO_RTC, RTC_STATUSA);
- outport_byte(IO_RTC+1, 0x26);
- outport_byte(IO_RTC, RTC_STATUSB);
- outport_byte(IO_RTC+1, 2);
-
- outport_byte(IO_RTC, RTC_DIAG);
- inport_byte (IO_RTC+1, s);
- if (s)
- printk("RTC BIOS diagnostic error %b\n", s);
-
- /* FIXME: This was last line's original version. How was it supposed to work?
- printf("RTC BIOS diagnostic error %b\n", s, RTCDG_BITS); */
-} /* init_rtc */
-
-/*-------------------------------------------------------------------------+
-| Function: rtc_read
-| Description: Read present time from RTC and return it.
-| Global Variables: None.
-| Arguments: tod - to return present time in 'rtems_time_of_day' format.
-| Returns: number of seconds from 1970/01/01 corresponding to 'tod'.
-+--------------------------------------------------------------------------*/
-long int
-rtc_read(rtems_time_of_day *tod)
-{
- uint8_t sa;
- uint32_t sec = 0;
-
- memset(tod, 0, sizeof *tod); /* zero tod structure */
-
- /* do we have a realtime clock present? (otherwise we loop below) */
- sa = rtcin(RTC_STATUSA);
- if (sa == 0xff || sa == 0)
- return -1;
-
- /* ready for a read? */
- while ((sa&RTCSA_TUP) == RTCSA_TUP)
- sa = rtcin(RTC_STATUSA);
-
- tod->year = bcd(rtcin(RTC_YEAR)) + 1900; /* year */
- if (tod->year < 1970) tod->year += 100;
- tod->month = bcd(rtcin(RTC_MONTH)); /* month */
- tod->day = bcd(rtcin(RTC_DAY)); /* day */
- (void) bcd(rtcin(RTC_WDAY)); /* weekday */
- tod->hour = bcd(rtcin(RTC_HRS)); /* hour */
- tod->minute = bcd(rtcin(RTC_MIN)); /* minutes */
- tod->second = bcd(rtcin(RTC_SEC)); /* seconds */
- tod->ticks = 0;
-
-#ifndef QUICK_READ /* Quick read of the RTC: don't return number of seconds. */
- sec = ytos(tod->year);
- sec += mtos(tod->month, (tod->year % 4) == 0);
- sec += tod->day * SECS_PER_DAY;
- sec += tod->hour * 60 * 60; /* hour */
- sec += tod->minute * 60; /* minutes */
- sec += tod->second; /* seconds */
-#endif /* QUICK_READ */
-
- return (long int)sec;
-} /* rtc_read */
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