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yaml
---
r: 30210
b: refs/heads/master
c: 8d016ef
h: refs/heads/master
v: v3
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john stultz authored and Linus Torvalds committed Jun 26, 2006
1 parent 26b60b2 commit 431bc37
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Showing 5 changed files with 34 additions and 20 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: ede65f3926a284f07765b94d6d9fd10d63791174
refs/heads/master: 8d016ef1380a2a9a5ca5742ede04334199868f82
2 changes: 1 addition & 1 deletion trunk/arch/i386/kernel/Makefile
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Expand Up @@ -7,7 +7,7 @@ extra-y := head.o init_task.o vmlinux.lds
obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \
ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \
pci-dma.o i386_ksyms.o i387.o bootflag.o \
quirks.o i8237.o topology.o alternative.o
quirks.o i8237.o topology.o alternative.o i8253.o

obj-y += cpu/
obj-y += timers/
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32 changes: 32 additions & 0 deletions trunk/arch/i386/kernel/i8253.c
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@@ -0,0 +1,32 @@
/*
* i8253.c 8253/PIT functions
*
*/
#include <linux/spinlock.h>
#include <linux/jiffies.h>
#include <linux/sysdev.h>
#include <linux/module.h>
#include <linux/init.h>

#include <asm/smp.h>
#include <asm/delay.h>
#include <asm/i8253.h>
#include <asm/io.h>

#include "io_ports.h"

DEFINE_SPINLOCK(i8253_lock);
EXPORT_SYMBOL(i8253_lock);

void setup_pit_timer(void)
{
unsigned long flags;

spin_lock_irqsave(&i8253_lock, flags);
outb_p(0x34,PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
udelay(10);
outb_p(LATCH & 0xff , PIT_CH0); /* LSB */
udelay(10);
outb(LATCH >> 8 , PIT_CH0); /* MSB */
spin_unlock_irqrestore(&i8253_lock, flags);
}
5 changes: 0 additions & 5 deletions trunk/arch/i386/kernel/time.c
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Expand Up @@ -82,11 +82,6 @@ extern unsigned long wall_jiffies;
DEFINE_SPINLOCK(rtc_lock);
EXPORT_SYMBOL(rtc_lock);

#include <asm/i8253.h>

DEFINE_SPINLOCK(i8253_lock);
EXPORT_SYMBOL(i8253_lock);

struct timer_opts *cur_timer __read_mostly = &timer_none;

/*
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13 changes: 0 additions & 13 deletions trunk/arch/i386/kernel/timers/timer_pit.c
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Expand Up @@ -162,16 +162,3 @@ struct init_timer_opts __initdata timer_pit_init = {
.init = init_pit,
.opts = &timer_pit,
};

void setup_pit_timer(void)
{
unsigned long flags;

spin_lock_irqsave(&i8253_lock, flags);
outb_p(0x34,PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
udelay(10);
outb_p(LATCH & 0xff , PIT_CH0); /* LSB */
udelay(10);
outb(LATCH >> 8 , PIT_CH0); /* MSB */
spin_unlock_irqrestore(&i8253_lock, flags);
}

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