Home | History | Annotate | Line # | Download | only in xscale 
      1 /*	$NetBSD: xscalereg.h,v 1.2 2002/08/07 05:15:02 briggs Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed for the NetBSD Project by
     20  *	Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _ARM_XSCALE_XSCALEREG_H_
     39 #define _ARM_XSCALE_XSCALEREG_H_
     40 
     41 /*
     42  * Register definitions for the Intel XScale processor core.
     43  */
     44 
     45 /*
     46  * Performance Monitoring Unit		(CP14)
     47  *
     48  *	CP14.0		Performance Monitor Control Register
     49  *	CP14.1		Clock Counter
     50  *	CP14.2		Performance Counter Register 0
     51  *	CP14.3		Performance Counter Register 1
     52  */
     53 
     54 #define	PMNC_E		0x00000001	/* enable counters */
     55 #define	PMNC_P		0x00000002	/* reset both PMNs to 0 */
     56 #define	PMNC_C		0x00000004	/* clock counter reset */
     57 #define	PMNC_D		0x00000008	/* clock counter / 64 */
     58 #define	PMNC_PMN0_IE	0x00000010	/* enable PMN0 interrupt */
     59 #define	PMNC_PMN1_IE	0x00000020	/* enable PMN1 interrupt */
     60 #define	PMNC_CC_IE	0x00000040	/* enable clock counter interrupt */
     61 #define	PMNC_PMN0_IF	0x00000100	/* PMN0 overflow/interrupt */
     62 #define	PMNC_PMN1_IF	0x00000200	/* PMN1 overflow/interrupt */
     63 #define	PMNC_CC_IF	0x00000400	/* clock counter overflow/interrupt */
     64 #define	PMNC_EVCNT0_MASK 0x000ff000	/* event to count for PMN0 */
     65 #define	PMNC_EVCNT0_SHIFT 12
     66 #define	PMNC_EVCNT1_MASK 0x0ff00000	/* event to count for PMN1 */
     67 #define	PMNC_EVCNT1_SHIFT 20
     68 
     69 void	xscale_pmu_init(void);
     70 
     71 #endif /* _ARM_XSCALE_XSCALEREG_H_ */
     72