hwpmc_xscale.h revision 256281
1/*- 2 * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: stable/10/sys/dev/hwpmc/hwpmc_xscale.h 200928 2009-12-23 23:16:54Z rpaulo $ 27 */ 28 29#ifndef _DEV_HWPMC_XSCALE_H_ 30#define _DEV_HWPMC_XSCALE_H_ 31 32#define XSCALE_PMC_CAPS (PMC_CAP_INTERRUPT | PMC_CAP_USER | \ 33 PMC_CAP_SYSTEM | PMC_CAP_EDGE | \ 34 PMC_CAP_THRESHOLD | PMC_CAP_READ | \ 35 PMC_CAP_WRITE | PMC_CAP_INVERT | \ 36 PMC_CAP_QUALIFIER) 37 38 39#define XSCALE_PMNC_ENABLE 0x01 /* Enable all Counters */ 40#define XSCALE_PMNC_PMNRESET 0x02 /* Performance Counter Reset */ 41#define XSCALE_PMNC_CCNTRESET 0x04 /* Clock Counter Reset */ 42#define XSCALE_PMNC_CCNTDIV 0x08 /* Clock Counter Divider */ 43/* IXP425 only -- first generation */ 44#define XSCALE_PMNC_EVT0_MASK 0x00ff000 45#define XSCALE_PMNC_EVT1_MASK 0xff00000 46 47#define XSCALE_INTEN_CCNT 0x01 /* Enable Clock Counter Int. */ 48#define XSCALE_INTEN_PMN0 0x02 /* Enable PMN0 Interrupts */ 49#define XSCALE_INTEN_PMN1 0x04 /* Enable PMN1 Interrupts */ 50#define XSCALE_INTEN_PMN2 0x08 /* Enable PMN2 Interrupts */ 51#define XSCALE_INTEN_PMN3 0x10 /* Enable PMN3 Interrupts */ 52 53#define XSCALE_EVTSEL_EVT0_MASK 0x000000ff 54#define XSCALE_EVTSEL_EVT1_MASK 0x0000ff00 55#define XSCALE_EVTSEL_EVT2_MASK 0x00ff0000 56#define XSCALE_EVTSEL_EVT3_MASK 0xff000000 57 58#define XSCALE_FLAG_CCNT_OVERFLOW 0x01 59#define XSCALE_FLAG_PMN0_OVERFLOW 0x02 60#define XSCALE_FLAG_PMN1_OVERFLOW 0x04 61#define XSCALE_FLAG_PMN2_OVERFLOW 0x08 62#define XSCALE_FLAG_PMN3_OVERFLOW 0x10 63 64#define XSCALE_RELOAD_COUNT_TO_PERFCTR_VALUE(R) (-(R)) 65#define XSCALE_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (-(P)) 66 67#ifdef _KERNEL 68/* MD extension for 'struct pmc' */ 69struct pmc_md_xscale_pmc { 70 uint32_t pm_xscale_evsel; 71}; 72#endif /* _KERNEL */ 73#endif /* _DEV_HWPMC_XSCALE_H_ */ 74