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| author | cognet <cognet@FreeBSD.org> | 2010-07-14 00:48:53 +0000 |
|---|---|---|
| committer | cognet <cognet@FreeBSD.org> | 2010-07-14 00:48:53 +0000 |
| commit | 9de4c6a9a1c39daabb84260eb8a8e4462290febe (patch) | |
| tree | ec1c5e565c6153af8cb5a3611ba70ac768aa6521 /sys/arm/at91/at91_pitreg.h | |
| parent | 2c68ec74a2e424c0c71c8da31650a45909f8222a (diff) | |
| download | FreeBSD-src-9de4c6a9a1c39daabb84260eb8a8e4462290febe.zip FreeBSD-src-9de4c6a9a1c39daabb84260eb8a8e4462290febe.tar.gz | |
Import preliminary support for Atmel AT91SAM9G20 cpu, and the Hot-e HL201.
This fine work was done by Yohanes Nugroho <yohanes a gmail dot com>
Many thanks to John Nicholls and Thinlinx for providing sample hardware.
Diffstat (limited to 'sys/arm/at91/at91_pitreg.h')
| -rw-r--r-- | sys/arm/at91/at91_pitreg.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sys/arm/at91/at91_pitreg.h b/sys/arm/at91/at91_pitreg.h new file mode 100644 index 0000000..333271e --- /dev/null +++ b/sys/arm/at91/at91_pitreg.h @@ -0,0 +1,45 @@ +/*- + * 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_AT91PITREG_H +#define ARM_AT91_AT91PITREG_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 */ + +#endif /* ARM_AT91_AT91PITREG_H */ |
