1 files changed, 0 insertions, 129 deletions
diff --git a/arch/arm/mach-realview/localtimer.c b/arch/arm/mach-realview/localtimer.c
deleted file mode 100644
index caf6b8bb6c9..00000000000
--- a/arch/arm/mach-realview/localtimer.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- *  linux/arch/arm/mach-realview/localtimer.c
- *
- *  Copyright (C) 2002 ARM Ltd.
- *  All Rights Reserved
- *
- * 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.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/smp.h>
-#include <linux/jiffies.h>
-
-#include <asm/mach/time.h>
-#include <asm/hardware/arm_twd.h>
-#include <asm/hardware/gic.h>
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-
-#define TWD_BASE(cpu)	(__io_address(REALVIEW_TWD_BASE) + \
-			 ((cpu) * REALVIEW_TWD_SIZE))
-
-static unsigned long mpcore_timer_rate;
-
-/*
- * local_timer_ack: checks for a local timer interrupt.
- *
- * If a local timer interrupt has occured, acknowledge and return 1.
- * Otherwise, return 0.
- */
-int local_timer_ack(void)
-{
-	void __iomem *base = TWD_BASE(smp_processor_id());
-
-	if (__raw_readl(base + TWD_TIMER_INTSTAT)) {
-		__raw_writel(1, base + TWD_TIMER_INTSTAT);
-		return 1;
-	}
-
-	return 0;
-}
-
-void __cpuinit local_timer_setup(unsigned int cpu)
-{
-	void __iomem *base = TWD_BASE(cpu);
-	unsigned int load, offset;
-	u64 waitjiffies;
-	unsigned int count;
-
-	/*
-	 * If this is the first time round, we need to work out how fast
-	 * the timer ticks
-	 */
-	if (mpcore_timer_rate == 0) {
-		printk("Calibrating local timer... ");
-
-		/* Wait for a tick to start */
-		waitjiffies = get_jiffies_64() + 1;
-
-		while (get_jiffies_64() < waitjiffies)
-			udelay(10);
-
-		/* OK, now the tick has started, let's get the timer going */
-		waitjiffies += 5;
-
-				 /* enable, no interrupt or reload */
-		__raw_writel(0x1, base + TWD_TIMER_CONTROL);
-
-				 /* maximum value */
-		__raw_writel(0xFFFFFFFFU, base + TWD_TIMER_COUNTER);
-
-		while (get_jiffies_64() < waitjiffies)
-			udelay(10);
-
-		count = __raw_readl(base + TWD_TIMER_COUNTER);
-
-		mpcore_timer_rate = (0xFFFFFFFFU - count) * (HZ / 5);
-
-		printk("%lu.%02luMHz.\n", mpcore_timer_rate / 1000000,
-			(mpcore_timer_rate / 100000) % 100);
-	}
-
-	load = mpcore_timer_rate / HZ;
-
-	__raw_writel(load, base + TWD_TIMER_LOAD);
-	__raw_writel(0x7,  base + TWD_TIMER_CONTROL);
-
-	/*
-	 * Now maneuver our local tick into the right part of the jiffy.
-	 * Start by working out where within the tick our local timer
-	 * interrupt should go.
-	 */
-	offset = ((mpcore_timer_rate / HZ) / (NR_CPUS + 1)) * (cpu + 1);
-
-	/*
-	 * gettimeoffset() will return a number of us since the last tick.
-	 * Convert this number of us to a local timer tick count.
-	 * Be careful of integer overflow whilst keeping maximum precision.
-	 *
-	 * with HZ=100 and 1MHz (fpga) ~ 1GHz processor:
-	 * load = 1 ~ 10,000
-	 * mpcore_timer_rate/10000 = 100 ~ 100,000
-	 *
-	 * so the multiply value will be less than 10^9 always.
-	 */
-	load = (system_timer->offset() * (mpcore_timer_rate / 10000)) / 100;
-
-	/* Add on our offset to get the load value */
-	load = (load + offset) % (mpcore_timer_rate / HZ);
-
-	__raw_writel(load, base + TWD_TIMER_COUNTER);
-
-	/* Make sure our local interrupt controller has this enabled */
-	__raw_writel(1 << IRQ_LOCALTIMER,
-		     __io_address(REALVIEW_GIC_DIST_BASE) + GIC_DIST_ENABLE_SET);
-}
-
-/*
- * take a local timer down
- */
-void __cpuexit local_timer_stop(unsigned int cpu)
-{
-	__raw_writel(0, TWD_BASE(cpu) + TWD_TIMER_CONTROL);
-}