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| author | Matthias Fuchs <matthias.fuchs@esd.eu> | 2009-10-26 09:55:40 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2009-11-17 13:19:58 +0100 |
| commit | 067f54c66acd469870ef6946e1591bfcc02de1b3 (patch) | |
| tree | 14427d62873597287df6f34758440944de7c42ed /include | |
| parent | 3c014f1586d5bfe30dca7549396915c83f31cd30 (diff) | |
| download | u-boot-imx-067f54c66acd469870ef6946e1591bfcc02de1b3.zip u-boot-imx-067f54c66acd469870ef6946e1591bfcc02de1b3.tar.gz u-boot-imx-067f54c66acd469870ef6946e1591bfcc02de1b3.tar.bz2 | |
Add minimal SJA1000 header for basic CAN mode
This patch is in preparation for the upcoming PLU405 board fix.
Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sja1000.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/sja1000.h b/include/sja1000.h new file mode 100644 index 0000000..59e35af --- /dev/null +++ b/include/sja1000.h @@ -0,0 +1,60 @@ +/* + * Copyright 2009, Matthias Fuchs <matthias.fuchs@esd.eu> + * + * SJA1000 register layout for basic CAN mode + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SJA1000_H_ +#define _SJA1000_H_ + +/* + * SJA1000 register layout in basic can mode + */ +struct sja1000_basic_s { + u8 cr; + u8 cmr; + u8 sr; + u8 ir; + u8 ac; + u8 am; + u8 btr0; + u8 btr1; + u8 oc; + u8 txb[10]; + u8 rxb[10]; + u8 unused; + u8 cdr; +}; + +/* control register */ +#define CR_RR 0x01 + +/* output control register */ +#define OC_MODE0 0x01 +#define OC_MODE1 0x02 +#define OC_POL0 0x04 +#define OC_TN0 0x08 +#define OC_TP0 0x10 +#define OC_POL1 0x20 +#define OC_TN1 0x40 +#define OC_TP1 0x80 + +#endif |