|
@@ -1,30 +1,12 @@
|
|
|
/* tick14.c
|
|
|
- * linux/arch/sparc/kernel/tick14.c
|
|
|
*
|
|
|
* Copyright (C) 1996 David Redman (djhr@tadpole.co.uk)
|
|
|
*
|
|
|
* This file handles the Sparc specific level14 ticker
|
|
|
* This is really useful for profiling OBP uses it for keyboard
|
|
|
* aborts and other stuff.
|
|
|
- *
|
|
|
- *
|
|
|
*/
|
|
|
-#include <linux/errno.h>
|
|
|
-#include <linux/sched.h>
|
|
|
#include <linux/kernel.h>
|
|
|
-#include <linux/param.h>
|
|
|
-#include <linux/string.h>
|
|
|
-#include <linux/mm.h>
|
|
|
-#include <linux/timex.h>
|
|
|
-#include <linux/interrupt.h>
|
|
|
-
|
|
|
-#include <asm/oplib.h>
|
|
|
-#include <asm/timer.h>
|
|
|
-#include <asm/system.h>
|
|
|
-#include <asm/irq.h>
|
|
|
-#include <asm/io.h>
|
|
|
-
|
|
|
-#include "irq.h"
|
|
|
|
|
|
extern unsigned long lvl14_save[5];
|
|
|
static unsigned long *linux_lvl14 = NULL;
|
|
@@ -55,31 +37,3 @@ void install_obp_ticker(void)
|
|
|
linux_lvl14[2] = obp_lvl14[2];
|
|
|
linux_lvl14[3] = obp_lvl14[3];
|
|
|
}
|
|
|
-
|
|
|
-void claim_ticker14(irq_handler_t handler,
|
|
|
- int irq_nr, unsigned int timeout )
|
|
|
-{
|
|
|
- int cpu = smp_processor_id();
|
|
|
-
|
|
|
- /* first we copy the obp handler instructions
|
|
|
- */
|
|
|
- __disable_irq(irq_nr);
|
|
|
- if (!handler)
|
|
|
- return;
|
|
|
-
|
|
|
- linux_lvl14 = (unsigned long *)lvl14_save[4];
|
|
|
- obp_lvl14[0] = linux_lvl14[0];
|
|
|
- obp_lvl14[1] = linux_lvl14[1];
|
|
|
- obp_lvl14[2] = linux_lvl14[2];
|
|
|
- obp_lvl14[3] = linux_lvl14[3];
|
|
|
-
|
|
|
- if (!request_irq(irq_nr,
|
|
|
- handler,
|
|
|
- (IRQF_DISABLED | SA_STATIC_ALLOC),
|
|
|
- "counter14",
|
|
|
- NULL)) {
|
|
|
- install_linux_ticker();
|
|
|
- load_profile_irq(cpu, timeout);
|
|
|
- __enable_irq(irq_nr);
|
|
|
- }
|
|
|
-}
|