From 2d9e1ae06d8f0bb187ea083fabab2dfb6f589270 Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Tue, 19 Dec 2006 12:41:22 +0000
Subject: [ARM] oprofile: add ARM11 UP support

Add oprofile glue for ARM11 (ARMv6) oprofile support.  This
connects the ARM11 core profiling support to the oprofile code
for uniprocessor configurations.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/oprofile/op_model_v6.c | 67 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 arch/arm/oprofile/op_model_v6.c

(limited to 'arch/arm/oprofile/op_model_v6.c')

diff --git a/arch/arm/oprofile/op_model_v6.c b/arch/arm/oprofile/op_model_v6.c
new file mode 100644
index 00000000000..fe581383d3e
--- /dev/null
+++ b/arch/arm/oprofile/op_model_v6.c
@@ -0,0 +1,67 @@
+/**
+ * @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",
+};
-- 
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