diff options
author | kogiidena <kogiidena@eggplant.ddo.jp> | 2007-03-19 16:24:12 +0900 |
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committer | Paul Mundt <lethal@hera.kernel.org> | 2007-05-07 02:10:54 +0000 |
commit | 00e8c494a1603eac0a2cae9836e624a752ad45b1 (patch) | |
tree | 078da0b39207f1265ae307140e10d1b36618da14 /arch/sh/boards/landisk/rtc.c | |
parent | 5753171b8234b98d35d559abc0d88b9e4b520b14 (diff) | |
download | linux-2.6.34-ux500-00e8c494a1603eac0a2cae9836e624a752ad45b1.tar.gz |
sh: landisk updates.
Updates for the landisk board:
- The push_switch framework was used.
- landisk_pwb.c was divided into psw.c and gio.c.
- pata_platform was supported in USL-5P.
- irq.c was rewritten.
- io.c was replaced with generic I/O routines.
Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/landisk/rtc.c')
-rw-r--r-- | arch/sh/boards/landisk/rtc.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/arch/sh/boards/landisk/rtc.c b/arch/sh/boards/landisk/rtc.c deleted file mode 100644 index 0a9a2a2ad05..00000000000 --- a/arch/sh/boards/landisk/rtc.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * arch/sh/boards/landisk/rtc.c -- RTC support - * - * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> - * Copyright (C) 1999 Tetsuya Okada & Niibe Yutaka - */ -/* - * modifed by kogiidena - * 2005.09.16 - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/time.h> -#include <linux/delay.h> -#include <linux/spinlock.h> -#include <linux/bcd.h> -#include <asm/rtc.h> - -extern spinlock_t rtc_lock; - -extern void -rs5c313_set_cmos_time(unsigned int BCD_yr, unsigned int BCD_mon, - unsigned int BCD_day, unsigned int BCD_hr, - unsigned int BCD_min, unsigned int BCD_sec); - -extern unsigned long -rs5c313_get_cmos_time(unsigned int *BCD_yr, unsigned int *BCD_mon, - unsigned int *BCD_day, unsigned int *BCD_hr, - unsigned int *BCD_min, unsigned int *BCD_sec); - -void landisk_rtc_gettimeofday(struct timespec *tv) -{ - unsigned int BCD_yr, BCD_mon, BCD_day, BCD_hr, BCD_min, BCD_sec; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - tv->tv_sec = rs5c313_get_cmos_time - (&BCD_yr, &BCD_mon, &BCD_day, &BCD_hr, &BCD_min, &BCD_sec); - tv->tv_nsec = 0; - spin_unlock_irqrestore(&rtc_lock, flags); -} - -int landisk_rtc_settimeofday(const time_t secs) -{ - int retval = 0; - int real_seconds, real_minutes, cmos_minutes; - unsigned long flags; - unsigned long nowtime = secs; - unsigned int BCD_yr, BCD_mon, BCD_day, BCD_hr, BCD_min, BCD_sec; - - spin_lock_irqsave(&rtc_lock, flags); - - rs5c313_get_cmos_time - (&BCD_yr, &BCD_mon, &BCD_day, &BCD_hr, &BCD_min, &BCD_sec); - cmos_minutes = BCD_min; - BCD_TO_BIN(cmos_minutes); - - /* - * since we're only adjusting minutes and seconds, - * don't interfere with hour overflow. This avoids - * messing with unknown time zones but requires your - * RTC not to be off by more than 15 minutes - */ - real_seconds = nowtime % 60; - real_minutes = nowtime / 60; - if (((abs(real_minutes - cmos_minutes) + 15) / 30) & 1) - real_minutes += 30; /* correct for half hour time zone */ - real_minutes %= 60; - - if (abs(real_minutes - cmos_minutes) < 30) { - BIN_TO_BCD(real_seconds); - BIN_TO_BCD(real_minutes); - rs5c313_set_cmos_time(BCD_yr, BCD_mon, BCD_day, BCD_hr, - real_minutes, real_seconds); - } else { - printk(KERN_WARNING - "set_rtc_time: can't update from %d to %d\n", - cmos_minutes, real_minutes); - retval = -1; - } - - spin_unlock_irqrestore(&rtc_lock, flags); - return retval; -} - -void landisk_time_init(void) -{ - rtc_sh_get_time = landisk_rtc_gettimeofday; - rtc_sh_set_time = landisk_rtc_settimeofday; -} |