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/*
* arch/arm/mach-at91/include/mach/at91_dbgu.h
*
* Copyright (C) 2005 Ivan Kokshaysky
* Copyright (C) SAN People
*
* Debug Unit (DBGU) - System peripherals registers.
* Based on AT91RM9200 datasheet revision E.
*
* 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.
*/
#ifndef AT91_DBGU_H
#define AT91_DBGU_H
#define dbgu_readl(dbgu, field) \
__raw_readl(AT91_VA_BASE_SYS + dbgu + AT91_DBGU_ ## field)
#ifdef AT91_DBGU
#define AT91_DBGU_CR (0x00) /* Control Register */
#define AT91_DBGU_MR (0x04) /* Mode Register */
#define AT91_DBGU_IER (0x08) /* Interrupt Enable Register */
#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */
#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */
#define AT91_DBGU_IDR (0x0c) /* Interrupt Disable Register */
#define AT91_DBGU_IMR (0x10) /* Interrupt Mask Register */
#define AT91_DBGU_SR (0x14) /* Status Register */
#define AT91_DBGU_RHR (0x18) /* Receiver Holding Register */
#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */
#define AT91_DBGU_BRGR (0x20) /* Baud Rate Generator Register */
#define AT91_DBGU_CIDR (0x40) /* Chip ID Register */
#define AT91_DBGU_EXID (0x44) /* Chip ID Extension Register */
#define AT91_DBGU_FNR (0x48) /* Force NTRST Register [SAM9 only] */
#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
#endif /* AT91_DBGU */
/*
* Some AT91 parts that don't have full DEBUG units still support the ID
* and extensions register.
*/
#define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */
#define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */
#define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */
#define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */
#define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */
#define AT91_CIDR_SRAMSIZ_1K (1 << 16)
#define AT91_CIDR_SRAMSIZ_2K (2 << 16)
#define AT91_CIDR_SRAMSIZ_112K (4 << 16)
#define AT91_CIDR_SRAMSIZ_4K (5 << 16)
#define AT91_CIDR_SRAMSIZ_80K (6 << 16)
#define AT91_CIDR_SRAMSIZ_160K (7 << 16)
#define AT91_CIDR_SRAMSIZ_8K (8 << 16)
#define AT91_CIDR_SRAMSIZ_16K (9 << 16)
#define AT91_CIDR_SRAMSIZ_32K (10 << 16)
#define AT91_CIDR_SRAMSIZ_64K (11 << 16)
#define AT91_CIDR_SRAMSIZ_128K (12 << 16)
#define AT91_CIDR_SRAMSIZ_256K (13 << 16)
#define AT91_CIDR_SRAMSIZ_96K (14 << 16)
#define AT91_CIDR_SRAMSIZ_512K (15 << 16)
#define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */
#define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */
#define AT91_CIDR_EXT (1 << 31) /* Extension Flag */
#endif
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