eb40807.h

有关ATMEL AT91系列CPU的驱动函数库

//*----------------------------------------------------------------------------
//*      ATMEL Microcontroller Software Support  -  ROUSSET  -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name           : eb40.h
//* Object              : AT91 Evaluation Board Features Definition File
//*
//* 1.0 06/04/00 JPP    : Creation
//* 1.1 30/10/00 JPP    : Additing the EBI description
//*----------------------------------------------------------------------------
#ifndef eb40_h
#define eb40_h

#include    "parts/r40807/r40807.h"      /* library definition */

/*---------------------------------------*/
/* EB40x Memories Definition */
/*---------------------------------------*/

/* Flash Memory : AT49BV1614 1M*16 */
#define FLASH_BASE      ((u_int *)0x01000000)
#define FLASH_SIZE      (2*1024*1024)

#ifdef AT91_EXT_RAM
/* SRAM : size is depending on the devices fitted on the board */
#define EXT_SRAM_BASE   ((u_int *)0x02000000)
#define EXT_SRAM_SIZE   (512*1024)
#define EXT_SRAM_LIMIT  (EXT_SRAM_BASE+EXT_SRAM_SIZE)
#else
/* use Inner RAM */
//#- Redefinition of External SRAM to Internal SRAM
#define	EXT_SRAM_BASE   RAM_BASE                    @ 0x00000000
#define	EXT_SRAM_SIZE   RAM_SIZE                    @ 8K (8*1024)
#define	EXT_SRAM_LIMIT  (RAM_BASE + RAM_SIZE)       @ = RAM_LIMIT = 0x2000
#endif

/*---------------------------------------------------------------------------*/
/* EBI Initialization Data                                                   */
/*---------------------------------------------------------------------------*/
/* The EBI User Interface Image which is copied by the boot.                 */
/* 32,768MHz master clock assumed.                                           */
/* That's hardware! Details in the Electrical Datasheet of the AT91 device.  */
/* EBI Base Address is added at the end for commodity in copy code.          */
/*---------------------------------------------------------------------------*/
#define EBI_CSR_0       ((u_int *)(FLASH_BASE | 0x2529))    /* 0x01000000, 16MB, 2 tdf, 16 bits, 2 WS  */

#ifdef AT91_EXT_RAM                                         /* 0x02000000, 16MB, 0 hold, 16 bits, 1 WS */
#define EBI_CSR_1       ((u_int *)(EXT_SRAM_BASE|0x2122))   /* Extern RAM access address and configurations. */
#else
#define EBI_CSR_1       ((u_int *)0x10000000)       /* unused */
#endif

#define EBI_CSR_2       ((u_int *)0x20000000)       /* unused */
#define EBI_CSR_3       ((u_int *)0x30000000)       /* unused */
#define EBI_CSR_4       ((u_int *)0x40000000)       /* unused */
#define EBI_CSR_5       ((u_int *)0x50000000)       /* unused */
#define EBI_CSR_6       ((u_int *)0x60000000)       /* unused */
#define EBI_CSR_7       ((u_int *)0x70000000)       /* unused */

/*-----------------*/
/* Leds Definition */
/*-----------------*/
#define LED1            P16
#define LED2            P17
#define LED3            P18
#define LED4            P19
#define LED5            P3
#define LED6            P4
#define LED7            P5
#define LED8            P6

#define LED_PIO_CTRL    1
#define LED_MASK        (LED1|LED2|LED3|LED4|LED5|LED6|LED7|LED8)

#define LED_ON       PIO_CLEAR_OUT
#define LED_OFF      PIO_SET_OUT

/*-------------------------*/
/* Push Buttons Definition */
/*-------------------------*/
#define SW1_MASK        (1<<12)
#define SW2_MASK        (1<<9)
#define SW3_MASK        (1<<1)
#define SW4_MASK        (1<<2)
#define SW_MASK         (SW1_MASK|SW2_MASK|SW3_MASK|SW4_MASK)

#define SW1             (1<<12)
#define SW2             (1<<9)
#define SW3             (1<<1)
#define SW4             (1<<2)

#define PIO_SW1         (1<<12)
#define PIO_SW2         (1<<9)
#define PIO_SW3         (1<<1)
#define PIO_SW4         (1<<2)

/*--------------------------*/
/* Serial EEPROM Definition */
/*--------------------------*/

#define SCL             (1<<8)
#define SDA             (1<<7)
#define PIO_SCL         (1<<8)
#define PIO_SDA         (1<<7)

/*--------------*/
/* Master Clock */
/*--------------*/

#define MCK         32768000
#define MCKKHz      (MCK/1000)
#define MCKMHz      (MCK/1000000)

#endif /* eb40_h */