|  | /* | 
|  | * include/asm-arm/arch-at91/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 | 
|  |  | 
|  | #ifdef AT91_DBGU | 
|  | #define AT91_DBGU_CR		(AT91_DBGU + 0x00)	/* Control Register */ | 
|  | #define AT91_DBGU_MR		(AT91_DBGU + 0x04)	/* Mode Register */ | 
|  | #define AT91_DBGU_IER		(AT91_DBGU + 0x08)	/* Interrupt Enable Register */ | 
|  | #define		AT91_DBGU_TXRDY		(1 << 1)		/* Transmitter Ready */ | 
|  | #define		AT91_DBGU_TXEMPTY	(1 << 9)		/* Transmitter Empty */ | 
|  | #define AT91_DBGU_IDR		(AT91_DBGU + 0x0c)	/* Interrupt Disable Register */ | 
|  | #define AT91_DBGU_IMR		(AT91_DBGU + 0x10)	/* Interrupt Mask Register */ | 
|  | #define AT91_DBGU_SR		(AT91_DBGU + 0x14)	/* Status Register */ | 
|  | #define AT91_DBGU_RHR		(AT91_DBGU + 0x18)	/* Receiver Holding Register */ | 
|  | #define AT91_DBGU_THR		(AT91_DBGU + 0x1c)	/* Transmitter Holding Register */ | 
|  | #define AT91_DBGU_BRGR		(AT91_DBGU + 0x20)	/* Baud Rate Generator Register */ | 
|  |  | 
|  | #define AT91_DBGU_CIDR		(AT91_DBGU + 0x40)	/* Chip ID Register */ | 
|  | #define AT91_DBGU_EXID		(AT91_DBGU + 0x44)	/* Chip ID Extension Register */ | 
|  | #define AT91_DBGU_FNR		(AT91_DBGU + 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 |