/*- * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* $FreeBSD$ */ #ifndef ARM_AT91_AT91_PITREG_H #define ARM_AT91_AT91_PITREG_H #define PIT_MR 0x0 #define PIT_SR 0x4 #define PIT_PIVR 0x8 #define PIT_PIIR 0xc /* PIT_MR */ #define PIT_PIV(x) (x & 0xfffff) /* periodic interval value */ #define PIT_CNT(x) ((x >>20) & 0xfff) /* periodic interval counter */ #define PIT_EN (1 << 24) /* pit enable */ #define PIT_IEN (1 << 25) /* pit interrupt enable */ /* PIT_SR */ #define PIT_PITS_DONE 1 /* interrupt done */ void at91_pit_delay(int us); #endif /* ARM_AT91_AT91_PITREG_H */ |