Remove the arm26 port

The arm26 port has been in a state where it was far from even compiling
for quite some time.

Ian Molton agreed with the removal.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Ian Molton <spyro@f2s.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 210 deletions

diff --git a/arch/arm26/kernel/time.c b/arch/arm26/kernel/time.c
deleted file mode 100644
index 0f1d57fbd3d7..000000000000
--- a/arch/arm26/kernel/time.c
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- *  linux/arch/arm26/kernel/time.c
- *
- *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
- *  Modifications for ARM (C) 1994-2001 Russell King
- *  Mods for ARM26 (C) 2003 Ian Molton
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  This file contains the ARM-specific time handling details:
- *  reading the RTC at bootup, etc...
- *
- *  1994-07-02  Alan Modra
- *              fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime
- *  1998-12-20  Updated NTP code according to technical memorandum Jan '96
- *              "A Kernel Model for Precision Timekeeping" by Dave Mills
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/timex.h>
-#include <linux/errno.h>
-#include <linux/profile.h>
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/ioc.h>
-
-/* this needs a better home */
-DEFINE_SPINLOCK(rtc_lock);
-
-/* change this if you have some constant time drift */
-#define USECS_PER_JIFFY (1000000/HZ)
-
-static int dummy_set_rtc(void)
-{
-        return 0;
-}
-
-/*
- * hook for setting the RTC's idea of the current time.
- */
-int (*set_rtc)(void) = dummy_set_rtc;
-
-/*
- * Get time offset based on IOCs timer.
- * FIXME - if this is called with interrutps off, why the shennanigans
- * below ?
- */
-static unsigned long gettimeoffset(void)
-{
-        unsigned int count1, count2, status;
-        long offset;
-
-        ioc_writeb (0, IOC_T0LATCH);
-        barrier ();
-        count1 = ioc_readb(IOC_T0CNTL) | (ioc_readb(IOC_T0CNTH) << 8);
-        barrier ();
-        status = ioc_readb(IOC_IRQREQA);
-        barrier ();
-        ioc_writeb (0, IOC_T0LATCH);
-        barrier ();
-        count2 = ioc_readb(IOC_T0CNTL) | (ioc_readb(IOC_T0CNTH) << 8);
-
-        offset = count2;
-        if (count2 < count1) {
-                /*
-                 * We have not had an interrupt between reading count1
-                 * and count2.
-                 */
-                if (status & (1 << 5))
-                        offset -= LATCH;
-        } else if (count2 > count1) {
-                /*
-                 * We have just had another interrupt between reading
-                 * count1 and count2.
-                 */
-                offset -= LATCH;
-        }
-
-        offset = (LATCH - offset) * (tick_nsec / 1000);
-        return (offset + LATCH/2) / LATCH;
-}
-
-static unsigned long next_rtc_update;
-
-/*
- * If we have an externally synchronized linux clock, then update
- * CMOS clock accordingly every ~11 minutes.  set_rtc() has to be
- * called as close as possible to 500 ms before the new second
- * starts.
- */
-static inline void do_set_rtc(void)
-{
-        if (!ntp_synced() || set_rtc == NULL)
-                return;
-
-//FIXME - timespec.tv_sec is a time_t not unsigned long
-        if (next_rtc_update &&
-            time_before((unsigned long)xtime.tv_sec, next_rtc_update))
-                return;
-
-        if (xtime.tv_nsec < 500000000 - ((unsigned) tick_nsec >> 1) &&
-            xtime.tv_nsec >= 500000000 + ((unsigned) tick_nsec >> 1))
-                return;
-
-        if (set_rtc())
-                /*
-                 * rtc update failed.  Try again in 60s
-                 */
-                next_rtc_update = xtime.tv_sec + 60;
-        else
-                next_rtc_update = xtime.tv_sec + 660;
-}
-
-#define do_leds()
-
-void do_gettimeofday(struct timeval *tv)
-{
-        unsigned long flags;
-        unsigned long seq;
-        unsigned long usec, sec;
-
-        do {
-                seq = read_seqbegin_irqsave(&xtime_lock, flags);
-                usec = gettimeoffset();
-                sec = xtime.tv_sec;
-                usec += xtime.tv_nsec / 1000;
-        } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
-
-        /* usec may have gone up a lot: be safe */
-        while (usec >= 1000000) {
-                usec -= 1000000;
-                sec++;
-        }
-
-        tv->tv_sec = sec;
-        tv->tv_usec = usec;
-}
-
-EXPORT_SYMBOL(do_gettimeofday);
-
-int do_settimeofday(struct timespec *tv)
-{
-        if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
-                return -EINVAL;
-
-        write_seqlock_irq(&xtime_lock);
-        /*
-         * This is revolting. We need to set "xtime" correctly. However, the
-         * value in this location is the value at the most recent update of
-         * wall time.  Discover what correction gettimeofday() would have
-         * done, and then undo it!
-         */
-        tv->tv_nsec -= 1000 * gettimeoffset();
-
-        while (tv->tv_nsec < 0) {
-                tv->tv_nsec += NSEC_PER_SEC;
-                tv->tv_sec--;
-        }
-
-        xtime.tv_sec = tv->tv_sec;
-        xtime.tv_nsec = tv->tv_nsec;
-        ntp_clear();
-        write_sequnlock_irq(&xtime_lock);
-        clock_was_set();
-        return 0;
-}
-
-EXPORT_SYMBOL(do_settimeofday);
-
-static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
-        do_timer(1);
-#ifndef CONFIG_SMP
-        update_process_times(user_mode(regs));
-#endif
-        do_set_rtc(); //FIME - EVERY timer IRQ?
-        profile_tick(CPU_PROFILING, regs);
-        return IRQ_HANDLED; //FIXME - is this right?
-}
-
-static struct irqaction timer_irq = {
-        .name   = "timer",
-        .flags  = IRQF_DISABLED,
-        .handler = timer_interrupt,
-};
-
-extern void ioctime_init(void);
-
-/*
- * Set up timer interrupt.
- */
-void __init time_init(void)
-{
-        ioc_writeb(LATCH & 255, IOC_T0LTCHL);
-        ioc_writeb(LATCH >> 8, IOC_T0LTCHH);
-        ioc_writeb(0, IOC_T0GO);
-
-
-        setup_irq(IRQ_TIMER, &timer_irq);
-}
-