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//*-----------------------------------------------------------------------------
//* 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 : ebi.h
//* Object : External Bus Interface Definition File
//* Translator : ARM Software Development Toolkit V2.11a
//*
//* 1.0 03/11/97 JCZ : Creation
//* 2.0 21/10/98 JCZ : Clean up
//*-----------------------------------------------------------------------------
#ifndef ebi_h
#define ebi_h
/*----------------------------------------*/
/* Memory Controller Interface Definition */
/*----------------------------------------*/
typedef struct
{
at91_reg EBI_CSR[8] ; /* Chip Select Register */
at91_reg EBI_RCR ; /* Remap Control Register */
at91_reg EBI_MCR ; /* Memory Control Register */
} StructEBI ;
/*-----------------------*/
/* Chip Select Registers */
/*-----------------------*/
/* Data Bus Width */
#define DataBus16 (1<<0)
#define DataBus8 (2<<0)
#define DBW (3<<0)
/* Number of Wait States */
#define B_NWS 2
#define WaitState1 (0<<B_NWS)
#define WaitState2 (1<<B_NWS)
#define WaitState3 (2<<B_NWS)
#define WaitState4 (3<<B_NWS)
#define WaitState5 (4<<B_NWS)
#define WaitState6 (5<<B_NWS)
#define WaitState7 (6<<B_NWS)
#define WaitState8 (7<<B_NWS)
#define NWS (7<<B_NWS)
/* Wait State Enable */
#define WaitStateDisable (0<<5)
#define WaitStateEnable (1<<5)
#define WSE (1<<5)
/* Page size */
#define PageSize1M (0<<7)
#define PageSize4M (1<<7)
#define PageSize16M (2<<7)
#define PageSize64M (3<<7)
#define PAGES (3<<7)
/* Number of Data Float Output Time Clock Cycle */
#define B_TDF 9
#define tDF_0cycle (0<<B_TDF)
#define tDF_1cycle (1<<B_TDF)
#define tDF_2cycle (2<<B_TDF)
#define tDF_3cycle (3<<B_TDF)
#define tDF_4cycle (4<<B_TDF)
#define tDF_5cycle (5<<B_TDF)
#define tDF_6cycle (6<<B_TDF)
#define tDF_7cycle (7<<B_TDF)
#define TDF (7<<B_TDF)
/* Byte Access Type */
#define ByteWriteAccessType (0<<12)
#define ByteSelectAccessType (1<<12)
#define BAT 1<<12)
/* Chip Select Enable */
#define CSEnable (1<<13)
#define CSDisable (0<<13)
#define CSE (1<<13)
#define BA ((u_int)(0xFFF)<<20)
/*-------------------------*/
/* Memory Control Register */
/*-------------------------*/
/* Address Line Enable */
#define ALE (7<<0)
#define BankSize16M (0<<0)
#define BankSize8M (4<<0)
#define BankSize4M (5<<0)
#define BankSize2M (6<<0)
#define BankSize1M (7<<0)
/* Data Read Protocol */
#define StandardReadProtocol (0<<4)
#define EarlyReadProtocol (1<<4)
#define DRP (1<<4)
/*------------------------*/
/* Remap Control Register */
/*------------------------*/
#define RCB (1<<0)
/*--------------------------------*/
/* Device Dependancies Definition */
/*--------------------------------*/
#ifdef AT91M40400
/* External Bus Interface User Interface BAse Address */
#define EBI_BASE ((StructEBI *) 0xFFE00000)
#endif
#endif /* ebi_h */