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author | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:21:52 +0800 |
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committer | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:48:38 +0800 |
commit | ae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch) | |
tree | 6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/sja1000.h | |
download | uext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz |
import the U-Boot code and make it compile
Diffstat (limited to 'include/sja1000.h')
-rw-r--r-- | include/sja1000.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/sja1000.h b/include/sja1000.h new file mode 100644 index 0000000..6ceb6f4 --- /dev/null +++ b/include/sja1000.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2009, Matthias Fuchs <matthias.fuchs@esd.eu> + * + * SJA1000 register layout for basic CAN mode + */ + +#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 |