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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d5148ffa60
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/*
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* File: arch/blackfin/oprofile/op_blackfin.h
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* Based on:
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* Author: Anton Blanchard <anton@au.ibm.com>
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*
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* Created:
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* Description:
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*
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* Modified:
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* Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
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* Copyright 2004-2006 Analog Devices Inc.
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*
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* Bugs: Enter bugs at http://blackfin.uclinux.org/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see the file COPYING, or write
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* to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef OP_BLACKFIN_H
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#define OP_BLACKFIN_H 1
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#define OP_MAX_COUNTER 2
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#include <asm/blackfin.h>
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/* Per-counter configuration as set via oprofilefs. */
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struct op_counter_config {
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unsigned long valid;
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unsigned long enabled;
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unsigned long event;
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unsigned long count;
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unsigned long kernel;
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unsigned long user;
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unsigned long unit_mask;
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};
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/* System-wide configuration as set via oprofilefs. */
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struct op_system_config {
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unsigned long enable_kernel;
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unsigned long enable_user;
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};
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/* Per-arch configuration */
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struct op_bfin533_model {
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int (*reg_setup) (struct op_counter_config *);
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int (*start) (struct op_counter_config *);
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void (*stop) (void);
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int num_counters;
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char *name;
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};
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extern struct op_bfin533_model op_model_bfin533;
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static inline unsigned int ctr_read(void)
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{
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unsigned int tmp;
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tmp = bfin_read_PFCTL();
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CSYNC();
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return tmp;
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}
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static inline void ctr_write(unsigned int val)
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{
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bfin_write_PFCTL(val);
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CSYNC();
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}
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static inline void count_read(unsigned int *count)
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{
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count[0] = bfin_read_PFCNTR0();
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count[1] = bfin_read_PFCNTR1();
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CSYNC();
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}
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static inline void count_write(unsigned int *count)
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{
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bfin_write_PFCNTR0(count[0]);
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bfin_write_PFCNTR1(count[1]);
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CSYNC();
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}
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extern int pm_overflow_handler(int irq, struct pt_regs *regs);
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#endif
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