Blackfin: initial perf_event support

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

2 files changed, 45 insertions, 0 deletions

diff --git a/arch/blackfin/include/asm/bfin_pfmon.h b/arch/blackfin/include/asm/bfin_pfmon.h
new file mode 100644
index 000000000000..accd47e2db40
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_pfmon.h
@@ -0,0 +1,44 @@
+/*
+ * Blackfin Performance Monitor definitions
+ *
+ * Copyright 2005-2011 Analog Devices Inc.
+ *
+ * Licensed under the ADI BSD license or GPL-2 (or later).
+ */
+
+#ifndef __ASM_BFIN_PFMON_H__
+#define __ASM_BFIN_PFMON_H__
+
+/* PFCTL Masks */
+#define PFMON_MASK      0xff
+#define PFCEN_MASK      0x3
+#define PFCEN_DISABLE   0x0
+#define PFCEN_ENABLE_USER       0x1
+#define PFCEN_ENABLE_SUPV       0x2
+#define PFCEN_ENABLE_ALL        (PFCEN_ENABLE_USER | PFCEN_ENABLE_SUPV)
+
+#define PFPWR_P 0
+#define PEMUSW0_P       2
+#define PFCEN0_P        3
+#define PFMON0_P        5
+#define PEMUSW1_P       13
+#define PFCEN1_P        14
+#define PFMON1_P        16
+#define PFCNT0_P        24
+#define PFCNT1_P        25
+
+#define PFPWR   (1 << PFPWR_P)
+#define PEMUSW(n, x)    ((x) << ((n) ? PEMUSW1_P : PEMUSW0_P))
+#define PEMUSW0 PEMUSW(0, 1)
+#define PEMUSW1 PEMUSW(1, 1)
+#define PFCEN(n, x)     ((x) << ((n) ? PFCEN1_P : PFCEN0_P))
+#define PFCEN0  PFCEN(0, PFCEN_MASK)
+#define PFCEN1  PFCEN(1, PFCEN_MASK)
+#define PFCNT(n, x)     ((x) << ((n) ? PFCNT1_P : PFCNT0_P))
+#define PFCNT0  PFCNT(0, 1)
+#define PFCNT1  PFCNT(1, 1)
+#define PFMON(n, x)     ((x) << ((n) ? PFMON1_P : PFMON0_P))
+#define PFMON0  PFMON(0, PFMON_MASK)
+#define PFMON1  PFMON(1, PFMON_MASK)
+
+#endif
diff --git a/arch/blackfin/include/asm/perf_event.h b/arch/blackfin/include/asm/perf_event.h
new file mode 100644
index 000000000000..3d2b1716322f
--- /dev/null
+++ b/arch/blackfin/include/asm/perf_event.h
@@ -0,0 +1 @@
+#define MAX_HWEVENTS 2