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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/arm/plat-iop/time.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/plat-iop/time.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/plat-iop/time.c175
1 files changed, 0 insertions, 175 deletions
diff --git a/ANDROID_3.4.5/arch/arm/plat-iop/time.c b/ANDROID_3.4.5/arch/arm/plat-iop/time.c
deleted file mode 100644
index cbfbbe46..00000000
--- a/ANDROID_3.4.5/arch/arm/plat-iop/time.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * arch/arm/plat-iop/time.c
- *
- * Timer code for IOP32x and IOP33x based systems
- *
- * Author: Deepak Saxena <dsaxena@mvista.com>
- *
- * Copyright 2002-2003 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/init.h>
-#include <linux/timex.h>
-#include <linux/io.h>
-#include <linux/clocksource.h>
-#include <linux/clockchips.h>
-#include <linux/export.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/sched_clock.h>
-#include <asm/uaccess.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
-#include <mach/time.h>
-
-/*
- * Minimum clocksource/clockevent timer range in seconds
- */
-#define IOP_MIN_RANGE 4
-
-/*
- * IOP clocksource (free-running timer 1).
- */
-static cycle_t notrace iop_clocksource_read(struct clocksource *unused)
-{
- return 0xffffffffu - read_tcr1();
-}
-
-static struct clocksource iop_clocksource = {
- .name = "iop_timer1",
- .rating = 300,
- .read = iop_clocksource_read,
- .mask = CLOCKSOURCE_MASK(32),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
-/*
- * IOP sched_clock() implementation via its clocksource.
- */
-static u32 notrace iop_read_sched_clock(void)
-{
- return 0xffffffffu - read_tcr1();
-}
-
-/*
- * IOP clockevents (interrupting timer 0).
- */
-static int iop_set_next_event(unsigned long delta,
- struct clock_event_device *unused)
-{
- u32 tmr = IOP_TMR_PRIVILEGED | IOP_TMR_RATIO_1_1;
-
- BUG_ON(delta == 0);
- write_tmr0(tmr & ~(IOP_TMR_EN | IOP_TMR_RELOAD));
- write_tcr0(delta);
- write_tmr0((tmr & ~IOP_TMR_RELOAD) | IOP_TMR_EN);
-
- return 0;
-}
-
-static unsigned long ticks_per_jiffy;
-
-static void iop_set_mode(enum clock_event_mode mode,
- struct clock_event_device *unused)
-{
- u32 tmr = read_tmr0();
-
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- write_tmr0(tmr & ~IOP_TMR_EN);
- write_tcr0(ticks_per_jiffy - 1);
- write_trr0(ticks_per_jiffy - 1);
- tmr |= (IOP_TMR_RELOAD | IOP_TMR_EN);
- break;
- case CLOCK_EVT_MODE_ONESHOT:
- /* ->set_next_event sets period and enables timer */
- tmr &= ~(IOP_TMR_RELOAD | IOP_TMR_EN);
- break;
- case CLOCK_EVT_MODE_RESUME:
- tmr |= IOP_TMR_EN;
- break;
- case CLOCK_EVT_MODE_SHUTDOWN:
- case CLOCK_EVT_MODE_UNUSED:
- default:
- tmr &= ~IOP_TMR_EN;
- break;
- }
-
- write_tmr0(tmr);
-}
-
-static struct clock_event_device iop_clockevent = {
- .name = "iop_timer0",
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .rating = 300,
- .set_next_event = iop_set_next_event,
- .set_mode = iop_set_mode,
-};
-
-static irqreturn_t
-iop_timer_interrupt(int irq, void *dev_id)
-{
- struct clock_event_device *evt = dev_id;
-
- write_tisr(1);
- evt->event_handler(evt);
- return IRQ_HANDLED;
-}
-
-static struct irqaction iop_timer_irq = {
- .name = "IOP Timer Tick",
- .handler = iop_timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .dev_id = &iop_clockevent,
-};
-
-static unsigned long iop_tick_rate;
-unsigned long get_iop_tick_rate(void)
-{
- return iop_tick_rate;
-}
-EXPORT_SYMBOL(get_iop_tick_rate);
-
-void __init iop_init_time(unsigned long tick_rate)
-{
- u32 timer_ctl;
-
- setup_sched_clock(iop_read_sched_clock, 32, tick_rate);
-
- ticks_per_jiffy = DIV_ROUND_CLOSEST(tick_rate, HZ);
- iop_tick_rate = tick_rate;
-
- timer_ctl = IOP_TMR_EN | IOP_TMR_PRIVILEGED |
- IOP_TMR_RELOAD | IOP_TMR_RATIO_1_1;
-
- /*
- * Set up interrupting clockevent timer 0.
- */
- write_tmr0(timer_ctl & ~IOP_TMR_EN);
- write_tisr(1);
- setup_irq(IRQ_IOP_TIMER0, &iop_timer_irq);
- clockevents_calc_mult_shift(&iop_clockevent,
- tick_rate, IOP_MIN_RANGE);
- iop_clockevent.max_delta_ns =
- clockevent_delta2ns(0xfffffffe, &iop_clockevent);
- iop_clockevent.min_delta_ns =
- clockevent_delta2ns(0xf, &iop_clockevent);
- iop_clockevent.cpumask = cpumask_of(0);
- clockevents_register_device(&iop_clockevent);
-
- /*
- * Set up free-running clocksource timer 1.
- */
- write_trr1(0xffffffff);
- write_tcr1(0xffffffff);
- write_tmr1(timer_ctl);
- clocksource_register_hz(&iop_clocksource, tick_rate);
-}