68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
|
/**
|
||
|
|
* @file op_model_v6.c
|
||
|
|
* ARM11 Performance Monitor Driver
|
||
|
|
*
|
||
|
|
* Based on op_model_xscale.c
|
||
|
|
*
|
||
|
|
* @remark Copyright 2000-2004 Deepak Saxena <dsaxena@mvista.com>
|
||
|
|
* @remark Copyright 2000-2004 MontaVista Software Inc
|
||
|
|
* @remark Copyright 2004 Dave Jiang <dave.jiang@intel.com>
|
||
|
|
* @remark Copyright 2004 Intel Corporation
|
||
|
|
* @remark Copyright 2004 Zwane Mwaikambo <zwane@arm.linux.org.uk>
|
||
|
|
* @remark Copyright 2004 OProfile Authors
|
||
|
|
*
|
||
|
|
* @remark Read the file COPYING
|
||
|
|
*
|
||
|
|
* @author Tony Lindgren <tony@atomide.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* #define DEBUG */
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/errno.h>
|
||
|
|
#include <linux/sched.h>
|
||
|
|
#include <linux/oprofile.h>
|
||
|
|
#include <linux/interrupt.h>
|
||
|
|
#include <asm/irq.h>
|
||
|
|
#include <asm/system.h>
|
||
|
|
|
||
|
|
#include "op_counter.h"
|
||
|
|
#include "op_arm_model.h"
|
||
|
|
#include "op_model_arm11_core.h"
|
||
|
|
|
||
|
|
static int irqs[] = {
|
||
|
|
#ifdef CONFIG_ARCH_OMAP2
|
||
|
|
3,
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
static void armv6_pmu_stop(void)
|
||
|
|
{
|
||
|
|
arm11_stop_pmu();
|
||
|
|
arm11_release_interrupts(irqs, ARRAY_SIZE(irqs));
|
||
|
|
}
|
||
|
|
|
||
|
|
static int armv6_pmu_start(void)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = arm11_request_interrupts(irqs, ARRAY_SIZE(irqs));
|
||
|
|
if (ret >= 0)
|
||
|
|
ret = arm11_start_pmu();
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int armv6_detect_pmu(void)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct op_arm_model_spec op_armv6_spec = {
|
||
|
|
.init = armv6_detect_pmu,
|
||
|
|
.num_counters = 3,
|
||
|
|
.setup_ctrs = arm11_setup_pmu,
|
||
|
|
.start = armv6_pmu_start,
|
||
|
|
.stop = armv6_pmu_stop,
|
||
|
|
.name = "arm/armv6",
|
||
|
|
};
|