[ARM] remove arch-imx

arch-imx is superseeded by the MXC architecture support.
This patch removes arch/arm/mach-imx from the kernel.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 0 insertions, 220 deletions

diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c
deleted file mode 100644
index 5aef18b599e5..000000000000
--- a/arch/arm/mach-imx/time.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- *  linux/arch/arm/mach-imx/time.c
- *
- *  Copyright (C) 2000-2001 Deep Blue Solutions
- *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
- *  Copyright (C) 2006-2007 Pavel Pisa (ppisa@pikron.com)
- *
- * 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/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/time.h>
-#include <linux/clocksource.h>
-#include <linux/clockchips.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/leds.h>
-#include <asm/irq.h>
-#include <asm/mach/time.h>
-
-/* Use timer 1 as system timer */
-#define TIMER_BASE IMX_TIM1_BASE
-
-static struct clock_event_device clockevent_imx;
-static enum clock_event_mode clockevent_mode = CLOCK_EVT_MODE_UNUSED;
-
-/*
- * IRQ handler for the timer
- */
-static irqreturn_t
-imx_timer_interrupt(int irq, void *dev_id)
-{
-	struct clock_event_device *evt = &clockevent_imx;
-	uint32_t tstat;
-	irqreturn_t ret = IRQ_NONE;
-
-	/* clear the interrupt */
-	tstat = IMX_TSTAT(TIMER_BASE);
-	IMX_TSTAT(TIMER_BASE) = 0;
-
-	if (tstat & TSTAT_COMP) {
-		evt->event_handler(evt);
-		ret = IRQ_HANDLED;
-	}
-
-	return ret;
-}
-
-static struct irqaction imx_timer_irq = {
-	.name		= "i.MX Timer Tick",
-	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
-	.handler	= imx_timer_interrupt,
-};
-
-/*
- * Set up timer hardware into expected mode and state.
- */
-static void __init imx_timer_hardware_init(void)
-{
-	/*
-	 * Initialise to a known state (all timers off, and timing reset)
-	 */
-	IMX_TCTL(TIMER_BASE) = 0;
-	IMX_TPRER(TIMER_BASE) = 0;
-
-	IMX_TCTL(TIMER_BASE) = TCTL_FRR | TCTL_CLK_PCLK1 | TCTL_TEN;
-}
-
-cycle_t imx_get_cycles(struct clocksource *cs)
-{
-	return IMX_TCN(TIMER_BASE);
-}
-
-static struct clocksource clocksource_imx = {
-	.name 		= "imx_timer1",
-	.rating		= 200,
-	.read		= imx_get_cycles,
-	.mask		= 0xFFFFFFFF,
-	.shift 		= 20,
-	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
-static int __init imx_clocksource_init(unsigned long rate)
-{
-	clocksource_imx.mult =
-		clocksource_hz2mult(rate, clocksource_imx.shift);
-	clocksource_register(&clocksource_imx);
-
-	return 0;
-}
-
-static int imx_set_next_event(unsigned long evt,
-				  struct clock_event_device *unused)
-{
-	unsigned long tcmp;
-
-	tcmp = IMX_TCN(TIMER_BASE) + evt;
-	IMX_TCMP(TIMER_BASE) = tcmp;
-
-	return (int32_t)(tcmp - IMX_TCN(TIMER_BASE)) < 0 ? -ETIME : 0;
-}
-
-#ifdef DEBUG
-static const char *clock_event_mode_label[]={
-	[CLOCK_EVT_MODE_PERIODIC] = "CLOCK_EVT_MODE_PERIODIC",
-	[CLOCK_EVT_MODE_ONESHOT]  = "CLOCK_EVT_MODE_ONESHOT",
-	[CLOCK_EVT_MODE_SHUTDOWN] = "CLOCK_EVT_MODE_SHUTDOWN",
-	[CLOCK_EVT_MODE_UNUSED]   = "CLOCK_EVT_MODE_UNUSED"
-};
-#endif /*DEBUG*/
-
-static void imx_set_mode(enum clock_event_mode mode, struct clock_event_device *evt)
-{
-	unsigned long flags;
-
-	/*
-	 * The timer interrupt generation is disabled at least
-	 * for enough time to call imx_set_next_event()
-	 */
-	local_irq_save(flags);
-	/* Disable interrupt in GPT module */
-	IMX_TCTL(TIMER_BASE) &= ~TCTL_IRQEN;
-	if (mode != clockevent_mode) {
-		/* Set event time into far-far future */
-		IMX_TCMP(TIMER_BASE) = IMX_TCN(TIMER_BASE) - 3;
-		/* Clear pending interrupt */
-		IMX_TSTAT(TIMER_BASE) &= ~TSTAT_COMP;
-	}
-
-#ifdef DEBUG
-	printk(KERN_INFO "imx_set_mode: changing mode from %s to %s\n",
-		clock_event_mode_label[clockevent_mode], clock_event_mode_label[mode]);
-#endif /*DEBUG*/
-
-	/* Remember timer mode */
-	clockevent_mode = mode;
-	local_irq_restore(flags);
-
-	switch (mode) {
-	case CLOCK_EVT_MODE_PERIODIC:
-		printk(KERN_ERR "imx_set_mode: Periodic mode is not supported for i.MX\n");
-		break;
-	case CLOCK_EVT_MODE_ONESHOT:
-		/*
-		 * Do not put overhead of interrupt enable/disable into
-		 * imx_set_next_event(), the core has about 4 minutes
-		 * to call imx_set_next_event() or shutdown clock after
-		 * mode switching
-		 */
-		local_irq_save(flags);
-		IMX_TCTL(TIMER_BASE) |= TCTL_IRQEN;
-		local_irq_restore(flags);
-		break;
-	case CLOCK_EVT_MODE_SHUTDOWN:
-	case CLOCK_EVT_MODE_UNUSED:
-	case CLOCK_EVT_MODE_RESUME:
-		/* Left event sources disabled, no more interrupts appears */
-		break;
-	}
-}
-
-static struct clock_event_device clockevent_imx = {
-	.name		= "imx_timer1",
-	.features	= CLOCK_EVT_FEAT_ONESHOT,
-	.shift		= 32,
-	.set_mode	= imx_set_mode,
-	.set_next_event	= imx_set_next_event,
-	.rating		= 200,
-};
-
-static int __init imx_clockevent_init(unsigned long rate)
-{
-	clockevent_imx.mult = div_sc(rate, NSEC_PER_SEC,
-					clockevent_imx.shift);
-	clockevent_imx.max_delta_ns =
-		clockevent_delta2ns(0xfffffffe, &clockevent_imx);
-	clockevent_imx.min_delta_ns =
-		clockevent_delta2ns(0xf, &clockevent_imx);
-
-	clockevent_imx.cpumask = cpumask_of(0);
-
-	clockevents_register_device(&clockevent_imx);
-
-	return 0;
-}
-
-extern int imx_clocks_init(void);
-
-static void __init imx_timer_init(void)
-{
-	struct clk *clk;
-	unsigned long rate;
-
-	imx_clocks_init();
-
-	clk = clk_get(NULL, "perclk1");
-	clk_enable(clk);
-	rate = clk_get_rate(clk);
-
-	imx_timer_hardware_init();
-	imx_clocksource_init(rate);
-
-	imx_clockevent_init(rate);
-
-	/*
-	 * Make irqs happen for the system timer
-	 */
-	setup_irq(TIM1_INT, &imx_timer_irq);
-}
-
-struct sys_timer imx_timer = {
-	.init		= imx_timer_init,
-};