summaryrefslogtreecommitdiff
path: root/arch/blackfin/oprofile/op_blackfin.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/oprofile/op_blackfin.h')
-rw-r--r--arch/blackfin/oprofile/op_blackfin.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/arch/blackfin/oprofile/op_blackfin.h b/arch/blackfin/oprofile/op_blackfin.h
new file mode 100644
index 000000000000..f88f446c814f
--- /dev/null
+++ b/arch/blackfin/oprofile/op_blackfin.h
@@ -0,0 +1,98 @@
+/*
+ * File: arch/blackfin/oprofile/op_blackfin.h
+ * Based on:
+ * Author: Anton Blanchard <anton@au.ibm.com>
+ *
+ * Created:
+ * Description:
+ *
+ * Modified:
+ * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
+ * Copyright 2004-2006 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef OP_BLACKFIN_H
+#define OP_BLACKFIN_H 1
+
+#define OP_MAX_COUNTER 2
+
+#include <asm/blackfin.h>
+
+/* Per-counter configuration as set via oprofilefs. */
+struct op_counter_config {
+ unsigned long valid;
+ unsigned long enabled;
+ unsigned long event;
+ unsigned long count;
+ unsigned long kernel;
+ unsigned long user;
+ unsigned long unit_mask;
+};
+
+/* System-wide configuration as set via oprofilefs. */
+struct op_system_config {
+ unsigned long enable_kernel;
+ unsigned long enable_user;
+};
+
+/* Per-arch configuration */
+struct op_bfin533_model {
+ int (*reg_setup) (struct op_counter_config *);
+ int (*start) (struct op_counter_config *);
+ void (*stop) (void);
+ int num_counters;
+ char *name;
+};
+
+extern struct op_bfin533_model op_model_bfin533;
+
+static inline unsigned int ctr_read(void)
+{
+ unsigned int tmp;
+
+ tmp = bfin_read_PFCTL();
+ __builtin_bfin_csync();
+
+ return tmp;
+}
+
+static inline void ctr_write(unsigned int val)
+{
+ bfin_write_PFCTL(val);
+ __builtin_bfin_csync();
+}
+
+static inline void count_read(unsigned int *count)
+{
+ count[0] = bfin_read_PFCNTR0();
+ count[1] = bfin_read_PFCNTR1();
+ __builtin_bfin_csync();
+}
+
+static inline void count_write(unsigned int *count)
+{
+ bfin_write_PFCNTR0(count[0]);
+ bfin_write_PFCNTR1(count[1]);
+ __builtin_bfin_csync();
+}
+
+extern int pm_overflow_handler(int irq, struct pt_regs *regs);
+
+#endif