[PATCH 20/22] cell: Move PMU-related stuff to include/asm-powerpc/cell-pmu.h

From: Arnd Bergmann
Date: Mon Nov 20 2006 - 13:09:03 EST

From: Kevin Corry <kevcorry@xxxxxxxxxx>
Move some PMU-related macros and function prototypes from cbe_regs.h
and pmu.h in arch/powerpc/platforms/cell/ to a new header at
include/asm-powerpc/cell-pmu.h

This is cleaner to use from the oprofile code, since that sits in
arch/powerpc/oprofile, not in the cell platform directory.

Signed-off-by: Kevin Corry <kevcorry@xxxxxxxxxx>
Signed-off-by: Arnd Bergmann <arnd.bergmann@xxxxxxxxxx>
Index: linux-2.6/arch/powerpc/platforms/cell/cbe_regs.h
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/cell/cbe_regs.h
+++ linux-2.6/arch/powerpc/platforms/cell/cbe_regs.h
@@ -15,6 +15,8 @@
#ifndef CBE_REGS_H
#define CBE_REGS_H

+#include <asm/cell-pmu.h>
+
/*
*
* Some HID register definitions
@@ -35,32 +37,6 @@
*
*/

-/* Macros for the pm_control register. */
-#define CBE_PM_16BIT_CTR(ctr) (1 << (24 - ((ctr) & (NR_PHYS_CTRS - 1))))
-#define CBE_PM_ENABLE_PERF_MON 0x80000000
-#define CBE_PM_STOP_AT_MAX 0x40000000
-#define CBE_PM_TRACE_MODE_GET(pm_control) (((pm_control) >> 28) & 0x3)
-#define CBE_PM_TRACE_MODE_SET(mode) (((mode) & 0x3) << 28)
-#define CBE_PM_COUNT_MODE_SET(count) (((count) & 0x3) << 18)
-#define CBE_PM_FREEZE_ALL_CTRS 0x00100000
-#define CBE_PM_ENABLE_EXT_TRACE 0x00008000
-
-/* Macros for the trace_address register. */
-#define CBE_PM_TRACE_BUF_FULL 0x00000800
-#define CBE_PM_TRACE_BUF_EMPTY 0x00000400
-#define CBE_PM_TRACE_BUF_DATA_COUNT(ta) ((ta) & 0x3ff)
-#define CBE_PM_TRACE_BUF_MAX_COUNT 0x400
-
-/* Macros for the pm07_control registers. */
-#define CBE_PM_CTR_INPUT_MUX(pm07_control) (((pm07_control) >> 26) & 0x3f)
-#define CBE_PM_CTR_INPUT_CONTROL 0x02000000
-#define CBE_PM_CTR_POLARITY 0x01000000
-#define CBE_PM_CTR_COUNT_CYCLES 0x00800000
-#define CBE_PM_CTR_ENABLE 0x00400000
-
-/* Macros for the pm_status register. */
-#define CBE_PM_CTR_OVERFLOW_INTR(ctr) (1 << (31 - ((ctr) & 7)))
-
union spe_reg {
u64 val;
u8 spe[8];
@@ -160,9 +136,6 @@ extern struct cbe_pmd_regs __iomem *cbe_
* counters currently have a value waiting to be written.
*/

-#define NR_PHYS_CTRS 4
-#define NR_CTRS (NR_PHYS_CTRS * 2)
-
struct cbe_pmd_shadow_regs {
u32 group_control;
u32 debug_bus_control;
Index: linux-2.6/arch/powerpc/platforms/cell/pmu.c
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/cell/pmu.c
+++ linux-2.6/arch/powerpc/platforms/cell/pmu.c
@@ -30,7 +30,6 @@

#include "cbe_regs.h"
#include "interrupt.h"
-#include "pmu.h"

/*
* When writing to write-only mmio addresses, save a shadow copy. All of the
Index: linux-2.6/arch/powerpc/platforms/cell/pmu.h
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/cell/pmu.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Cell Broadband Engine Performance Monitor
- *
- * (C) Copyright IBM Corporation 2001,2006
- *
- * Author:
- * David Erb (djerb@xxxxxxxxxx)
- * Kevin Corry (kevcorry@xxxxxxxxxx)
- *
- * 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, 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __PERFMON_H__
-#define __PERFMON_H__
-
-enum pm_reg_name {
- group_control,
- debug_bus_control,
- trace_address,
- ext_tr_timer,
- pm_status,
- pm_control,
- pm_interval,
- pm_start_stop,
-};
-
-extern u32 cbe_read_phys_ctr(u32 cpu, u32 phys_ctr);
-extern void cbe_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
-extern u32 cbe_read_ctr(u32 cpu, u32 ctr);
-extern void cbe_write_ctr(u32 cpu, u32 ctr, u32 val);
-
-extern u32 cbe_read_pm07_control(u32 cpu, u32 ctr);
-extern void cbe_write_pm07_control(u32 cpu, u32 ctr, u32 val);
-extern u32 cbe_read_pm (u32 cpu, enum pm_reg_name reg);
-extern void cbe_write_pm (u32 cpu, enum pm_reg_name reg, u32 val);
-
-extern u32 cbe_get_ctr_size(u32 cpu, u32 phys_ctr);
-extern void cbe_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
-
-extern void cbe_enable_pm(u32 cpu);
-extern void cbe_disable_pm(u32 cpu);
-
-extern void cbe_read_trace_buffer(u32 cpu, u64 *buf);
-
-#endif
Index: linux-2.6/include/asm-powerpc/cell-pmu.h
===================================================================
--- /dev/null
+++ linux-2.6/include/asm-powerpc/cell-pmu.h
@@ -0,0 +1,90 @@
+/*
+ * Cell Broadband Engine Performance Monitor
+ *
+ * (C) Copyright IBM Corporation 2006
+ *
+ * Author:
+ * David Erb (djerb@xxxxxxxxxx)
+ * Kevin Corry (kevcorry@xxxxxxxxxx)
+ *
+ * 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, 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_CELL_PMU_H__
+#define __ASM_CELL_PMU_H__
+
+/* The Cell PMU has four hardware performance counters, which can be
+ * configured as four 32-bit counters or eight 16-bit counters.
+ */
+#define NR_PHYS_CTRS 4
+#define NR_CTRS (NR_PHYS_CTRS * 2)
+
+/* Macros for the pm_control register. */
+#define CBE_PM_16BIT_CTR(ctr) (1 << (24 - ((ctr) & (NR_PHYS_CTRS - 1))))
+#define CBE_PM_ENABLE_PERF_MON 0x80000000
+#define CBE_PM_STOP_AT_MAX 0x40000000
+#define CBE_PM_TRACE_MODE_GET(pm_control) (((pm_control) >> 28) & 0x3)
+#define CBE_PM_TRACE_MODE_SET(mode) (((mode) & 0x3) << 28)
+#define CBE_PM_COUNT_MODE_SET(count) (((count) & 0x3) << 18)
+#define CBE_PM_FREEZE_ALL_CTRS 0x00100000
+#define CBE_PM_ENABLE_EXT_TRACE 0x00008000
+
+/* Macros for the trace_address register. */
+#define CBE_PM_TRACE_BUF_FULL 0x00000800
+#define CBE_PM_TRACE_BUF_EMPTY 0x00000400
+#define CBE_PM_TRACE_BUF_DATA_COUNT(ta) ((ta) & 0x3ff)
+#define CBE_PM_TRACE_BUF_MAX_COUNT 0x400
+
+/* Macros for the pm07_control registers. */
+#define CBE_PM_CTR_INPUT_MUX(pm07_control) (((pm07_control) >> 26) & 0x3f)
+#define CBE_PM_CTR_INPUT_CONTROL 0x02000000
+#define CBE_PM_CTR_POLARITY 0x01000000
+#define CBE_PM_CTR_COUNT_CYCLES 0x00800000
+#define CBE_PM_CTR_ENABLE 0x00400000
+
+/* Macros for the pm_status register. */
+#define CBE_PM_CTR_OVERFLOW_INTR(ctr) (1 << (31 - ((ctr) & 7)))
+
+enum pm_reg_name {
+ group_control,
+ debug_bus_control,
+ trace_address,
+ ext_tr_timer,
+ pm_status,
+ pm_control,
+ pm_interval,
+ pm_start_stop,
+};
+
+/* Routines for reading/writing the PMU registers. */
+extern u32 cbe_read_phys_ctr(u32 cpu, u32 phys_ctr);
+extern void cbe_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
+extern u32 cbe_read_ctr(u32 cpu, u32 ctr);
+extern void cbe_write_ctr(u32 cpu, u32 ctr, u32 val);
+
+extern u32 cbe_read_pm07_control(u32 cpu, u32 ctr);
+extern void cbe_write_pm07_control(u32 cpu, u32 ctr, u32 val);
+extern u32 cbe_read_pm(u32 cpu, enum pm_reg_name reg);
+extern void cbe_write_pm(u32 cpu, enum pm_reg_name reg, u32 val);
+
+extern u32 cbe_get_ctr_size(u32 cpu, u32 phys_ctr);
+extern void cbe_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
+
+extern void cbe_enable_pm(u32 cpu);
+extern void cbe_disable_pm(u32 cpu);
+
+extern void cbe_read_trace_buffer(u32 cpu, u64 *buf);
+
+#endif /* __ASM_CELL_PMU_H__ */

--

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