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BPI-M2C/source_sync_rls_25c/source/bsp/u-boot22/include/sja1000.h
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2026-09-22 09:38:26 +08:00

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2009, Matthias Fuchs <[email protected]>
*
* 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