forked from luck/tmp_suning_uos_patched
a09e64fbc0
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
|
|
* linux/arch/arm/mach-h720x/cpu-h7201.c
|
|
*
|
|
* Copyright (C) 2003 Thomas Gleixner <tglx@linutronix.de>
|
|
* 2003 Robert Schwebel <r.schwebel@pengutronix.de>
|
|
* 2004 Sascha Hauer <s.hauer@pengutronix.de>
|
|
*
|
|
* processor specific stuff for the Hynix h7201
|
|
*
|
|
* 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/interrupt.h>
|
|
#include <linux/module.h>
|
|
#include <asm/types.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/irq.h>
|
|
#include <mach/irqs.h>
|
|
#include <asm/mach/irq.h>
|
|
#include <asm/mach/time.h>
|
|
#include "common.h"
|
|
/*
|
|
* Timer interrupt handler
|
|
*/
|
|
static irqreturn_t
|
|
h7201_timer_interrupt(int irq, void *dev_id)
|
|
{
|
|
CPU_REG (TIMER_VIRT, TIMER_TOPSTAT);
|
|
timer_tick();
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static struct irqaction h7201_timer_irq = {
|
|
.name = "h7201 Timer Tick",
|
|
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
|
|
.handler = h7201_timer_interrupt,
|
|
};
|
|
|
|
/*
|
|
* Setup TIMER0 as system timer
|
|
*/
|
|
void __init h7201_init_time(void)
|
|
{
|
|
CPU_REG (TIMER_VIRT, TM0_PERIOD) = LATCH;
|
|
CPU_REG (TIMER_VIRT, TM0_CTRL) = TM_RESET;
|
|
CPU_REG (TIMER_VIRT, TM0_CTRL) = TM_REPEAT | TM_START;
|
|
CPU_REG (TIMER_VIRT, TIMER_TOPCTRL) = ENABLE_TM0_INTR | TIMER_ENABLE_BIT;
|
|
|
|
setup_irq(IRQ_TIMER0, &h7201_timer_irq);
|
|
}
|
|
|
|
struct sys_timer h7201_timer = {
|
|
.init = h7201_init_time,
|
|
.offset = h720x_gettimeoffset,
|
|
};
|