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- /*
- * Cell Broadband Engine Performance Monitor
- *
- * (C) Copyright IBM Corporation 2006
- *
- * Author:
- * David Erb (djerb@us.ibm.com)
- * Kevin Corry (kevcorry@us.ibm.com)
- *
- * 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
- #define PM07_CTR_INPUT_MUX(x) (((x) & 0x3F) << 26)
- #define PM07_CTR_INPUT_CONTROL(x) (((x) & 1) << 25)
- #define PM07_CTR_POLARITY(x) (((x) & 1) << 24)
- #define PM07_CTR_COUNT_CYCLES(x) (((x) & 1) << 23)
- #define PM07_CTR_ENABLE(x) (((x) & 1) << 22)
-
- /* 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);
-
- extern void cbe_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
- extern void cbe_disable_pm_interrupts(u32 cpu);
- extern u32 cbe_get_and_clear_pm_interrupts(u32 cpu);
- extern void cbe_sync_irq(int node);
-
- #define CBE_COUNT_SUPERVISOR_MODE 0
- #define CBE_COUNT_HYPERVISOR_MODE 1
- #define CBE_COUNT_PROBLEM_MODE 2
- #define CBE_COUNT_ALL_MODES 3
-
- #endif /* __ASM_CELL_PMU_H__ */
-