patch-2.1.96 linux/include/asm-arm/arch-a5k/time.h
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- Lines: 97
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.1.95/linux/include/asm-arm/arch-a5k/time.h
- Orig date:
Tue Jan 20 16:39:42 1998
diff -u --recursive --new-file v2.1.95/linux/include/asm-arm/arch-a5k/time.h linux/include/asm-arm/arch-a5k/time.h
@@ -1,96 +0,0 @@
-/*
- * linux/include/asm-arm/arch-a5k/time.h
- *
- * Copyright (c) 1996 Russell King.
- *
- * Changelog:
- * 24-Sep-1996 RMK Created
- * 10-Oct-1996 RMK Brought up to date with arch-sa110eval
- * 04-Dec-1997 RMK Updated for new arch/arm/time.c
- */
-
-extern __inline__ unsigned long gettimeoffset (void)
-{
- unsigned int count1, count2, status1, status2;
- unsigned long offset = 0;
-
- status1 = IOC_IRQREQA;
- barrier ();
- outb (0, IOC_T0LATCH);
- barrier ();
- count1 = inb(IOC_T0CNTL) | (inb(IOC_T0CNTH) << 8);
- barrier ();
- status2 = inb(IOC_IRQREQA);
- barrier ();
- outb (0, IOC_T0LATCH);
- barrier ();
- count2 = inb(IOC_T0CNTL) | (inb(IOC_T0CNTH) << 8);
-
- if (count2 < count1) {
- /*
- * This means that we haven't just had an interrupt
- * while reading into status2.
- */
- if (status2 & (1 << 5))
- offset = tick;
- count1 = count2;
- } else if (count2 > count1) {
- /*
- * We have just had another interrupt while reading
- * status2.
- */
- offset += tick;
- count1 = count2;
- }
-
- count1 = LATCH - count1;
- /*
- * count1 = number of clock ticks since last interrupt
- */
- offset += count1 * tick / LATCH;
- return offset;
-}
-
-/*
- * No need to reset the timer at every irq
- */
-#define reset_timer() 1
-
-/*
- * Updating of the RTC. We don't currently write the time to the
- * CMOS clock.
- */
-#define update_rtc()
-
-/*
- * Set up timer interrupt, and return the current time in seconds.
- */
-extern __inline__ unsigned long setup_timer (void)
-{
- extern int iic_control (unsigned char, int, char *, int);
- unsigned int year, mon, day, hour, min, sec;
- char buf[8];
-
- outb(LATCH & 255, IOC_T0LTCHL);
- outb(LATCH >> 8, IOC_T0LTCHH);
- outb(0, IOC_T0GO);
-
- iic_control (0xa0, 0xc0, buf, 1);
- year = buf[0];
- if ((year += 1900) < 1970)
- year += 100;
-
- iic_control (0xa0, 2, buf, 5);
- mon = buf[4] & 0x1f;
- day = buf[3] & 0x3f;
- hour = buf[2];
- min = buf[1];
- sec = buf[0];
- BCD_TO_BIN(mon);
- BCD_TO_BIN(day);
- BCD_TO_BIN(hour);
- BCD_TO_BIN(min);
- BCD_TO_BIN(sec);
-
- return mktime(year, mon, day, hour, min, sec);
-}
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