cell-pmu.h

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Cell Broadband Engine Performance Monitor
 4 *
 5 * (C) Copyright IBM Corporation 2006
 6 *
 7 * Author:
 8 *   David Erb (djerb@us.ibm.com)
 9 *   Kevin Corry (kevcorry@us.ibm.com)
10 */
11
12#ifndef __ASM_CELL_PMU_H__
13#define __ASM_CELL_PMU_H__
14
15/* The Cell PMU has four hardware performance counters, which can be
16 * configured as four 32-bit counters or eight 16-bit counters.
17 */
18#define NR_PHYS_CTRS 4
19#define NR_CTRS      (NR_PHYS_CTRS * 2)
20
21/* Macros for the pm_control register. */
22#define CBE_PM_16BIT_CTR(ctr)              (1 << (24 - ((ctr) & (NR_PHYS_CTRS - 1))))
23
24/* Macros for the trace_address register. */
25#define CBE_PM_TRACE_BUF_EMPTY             0x00000400
26
27enum pm_reg_name {
28	group_control,
29	debug_bus_control,
30	trace_address,
31	ext_tr_timer,
32	pm_status,
33	pm_control,
34	pm_interval,
35	pm_start_stop,
36};
37
38#endif /* __ASM_CELL_PMU_H__ */