hw.h

uCOS-II 2.8和uC-TCP/IP在ATMEL AT91SAM9261上移植

/*
*********************************************************************************************************
*                                            Atmel AT91 SAM9
*                                         Board Support Package
*
*                              (c) Copyright 2004, Micrium, Inc., Weston, FL
*                                          All Rights Reserved
*
*
* File : hw.h
* By   : Eric Shufro
*********************************************************************************************************
*/

#ifndef  HW_H
#define  HW_H

/*
*********************************************************************************************************
*                                               MACROS for Atmel Code Compatibility
*
* Description : The following macros make it possible to compile Atmel's driver source code
*********************************************************************************************************
*/

#define     writel(value, address)          (*(volatile unsigned int *)(address)) = (value)
#define     readl(address)                  (*(volatile unsigned int *)(address))

#define     NAND_DISABLE_CE()           do { *(volatile unsigned int *)AT91C_PIOC_SODR = AT91C_PIO_PC14;} while(0)
#define     NAND_ENABLE_CE()            do { *(volatile unsigned int *)AT91C_PIOC_CODR = AT91C_PIO_PC14;} while(0)

#define     NAND_WAIT_READY()       while (!(*(volatile unsigned int *)AT91C_PIOC_PDSR & AT91C_PIO_PC15))

/*
*********************************************************************************************************
*                                               VARIABLES
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*                                          FUNCTION PROTOTYPES
*********************************************************************************************************
*/

void  hw_init(void);
void  df_hw_init(void);
void  nandflash_hw_init(void);

#endif                                                                  /* End of file                                              */