From: Matthias Fuchs Date: Mon, 26 Oct 2009 08:55:40 +0000 (+0100) Subject: Add minimal SJA1000 header for basic CAN mode X-Git-Tag: v2009.11-rc2~56 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=067f54c66acd469870ef6946e1591bfcc02de1b3;p=u-boot Add minimal SJA1000 header for basic CAN mode This patch is in preparation for the upcoming PLU405 board fix. Signed-off-by: Matthias Fuchs Signed-off-by: Stefan Roese --- diff --git a/include/sja1000.h b/include/sja1000.h new file mode 100644 index 0000000000..59e35afa0d --- /dev/null +++ b/include/sja1000.h @@ -0,0 +1,60 @@ +/* + * Copyright 2009, Matthias Fuchs + * + * 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