diff options
Diffstat (limited to 'arch/arm/mach-epxa10db/time.c')
-rw-r--r-- | arch/arm/mach-epxa10db/time.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/arch/arm/mach-epxa10db/time.c b/arch/arm/mach-epxa10db/time.c deleted file mode 100644 index 4b1084dde8d..00000000000 --- a/arch/arm/mach-epxa10db/time.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * linux/arch/arm/mach-epxa10db/time.c - * - * Copyright (C) 2000 Deep Blue Solutions - * Copyright (C) 2001 Altera Corporation - * - * 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/init.h> -#include <linux/interrupt.h> -#include <linux/sched.h> - -#include <asm/hardware.h> -#include <asm/system.h> -#include <asm/leds.h> - -#include <asm/mach/time.h> - -#define TIMER00_TYPE (volatile unsigned int*) -#include <asm/arch/timer00.h> - -static int epxa10db_set_rtc(void) -{ - return 1; -} - -static int epxa10db_rtc_init(void) -{ - set_rtc = epxa10db_set_rtc; - - return 0; -} - -__initcall(epxa10db_rtc_init); - - -/* - * IRQ handler for the timer - */ -static irqreturn_t -epxa10db_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - write_seqlock(&xtime_lock); - - // ...clear the interrupt - *TIMER0_CR(IO_ADDRESS(EXC_TIMER00_BASE))|=TIMER0_CR_CI_MSK; - - timer_tick(regs); - write_sequnlock(&xtime_lock); - - return IRQ_HANDLED; -} - -static struct irqaction epxa10db_timer_irq = { - .name = "Excalibur Timer Tick", - .flags = SA_INTERRUPT | SA_TIMER, - .handler = epxa10db_timer_interrupt, -}; - -/* - * Set up timer interrupt, and return the current time in seconds. - */ -static void __init epxa10db_timer_init(void) -{ - /* Start the timer */ - *TIMER0_LIMIT(IO_ADDRESS(EXC_TIMER00_BASE))=(unsigned int)(EXC_AHB2_CLK_FREQUENCY/200); - *TIMER0_PRESCALE(IO_ADDRESS(EXC_TIMER00_BASE))=1; - *TIMER0_CR(IO_ADDRESS(EXC_TIMER00_BASE))=TIMER0_CR_IE_MSK | TIMER0_CR_S_MSK; - - setup_irq(IRQ_TIMER0, &epxa10db_timer_irq); -} - -struct sys_timer epxa10db_timer = { - .init = epxa10db_timer_init, -}; |