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Andrew Victor6171de82006-11-30 14:34:53 +01001/*
2 * include/asm-arm/arch-at91rm9200/at91_dbgu.h
3 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * Debug Unit (DBGU) - System peripherals registers.
8 * Based on AT91RM9200 datasheet revision E.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef AT91_DBGU_H
17#define AT91_DBGU_H
18
19#define AT91_DBGU_CR (AT91_DBGU + 0x00) /* Control Register */
20#define AT91_DBGU_MR (AT91_DBGU + 0x04) /* Mode Register */
21#define AT91_DBGU_IER (AT91_DBGU + 0x08) /* Interrupt Enable Register */
22#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */
23#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */
24#define AT91_DBGU_IDR (AT91_DBGU + 0x0c) /* Interrupt Disable Register */
25#define AT91_DBGU_IMR (AT91_DBGU + 0x10) /* Interrupt Mask Register */
26#define AT91_DBGU_SR (AT91_DBGU + 0x14) /* Status Register */
27#define AT91_DBGU_RHR (AT91_DBGU + 0x18) /* Receiver Holding Register */
28#define AT91_DBGU_THR (AT91_DBGU + 0x1c) /* Transmitter Holding Register */
29#define AT91_DBGU_BRGR (AT91_DBGU + 0x20) /* Baud Rate Generator Register */
30
31#define AT91_DBGU_CIDR (AT91_DBGU + 0x40) /* Chip ID Register */
32#define AT91_DBGU_EXID (AT91_DBGU + 0x44) /* Chip ID Extension Register */
33#define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */
34#define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */
35#define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */
36#define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */
37#define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */
38#define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */
39#define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */
40#define AT91_CIDR_EXT (1 << 31) /* Extension Flag */
41
42#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */
43#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
44
45#endif