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/*
* Copyright (C) 2010
* Reinhard Meyer, reinhard.meyer@emk-elektronik.de
*
* Debug Unit
* Based on AT91SAM9XE datasheet
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef AT91_DBU_H
#define AT91_DBU_H
#ifndef __ASSEMBLY__
typedef struct at91_dbu {
u32 cr; /* Control Register WO */
u32 mr; /* Mode Register RW */
u32 ier; /* Interrupt Enable Register WO */
u32 idr; /* Interrupt Disable Register WO */
u32 imr; /* Interrupt Mask Register RO */
u32 sr; /* Status Register RO */
u32 rhr; /* Receive Holding Register RO */
u32 thr; /* Transmit Holding Register WO */
u32 brgr; /* Baud Rate Generator Register RW */
u32 res1[7];/* 0x0024 - 0x003C Reserved */
u32 cidr; /* Chip ID Register RO */
u32 exid; /* Chip ID Extension Register RO */
u32 fnr; /* Force NTRST Register RW */
} at91_dbu_t;
#endif /* __ASSEMBLY__ */
#define AT91_DBU_CID_ARCH_MASK 0x0ff00000
#define AT91_DBU_CID_ARCH_9xx 0x01900000
#define AT91_DBU_CID_ARCH_9XExx 0x02900000
#define AT91_DBU_CIDR_MASK 0x1f
#define AT91_DBU_CIDR 0x40
#define AT91_DBU_EXID 0x44
#endif
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