ide_base.h

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#ifndef IDE_BASE_H
#define IDE_BASE_H

   
//-----------------------------------------------------------------------------
// Command Register Addresses
//-----------------------------------------------------------------------------
//#define IDE_BASE           0x30000000		// CFC card base address

//#define Data_Reg       	(*(volatile UI16 *)(IDE_BASE+(0x10<<2)))             /* even read data/odd write data */
//#define Error_Reg       (*(volatile UI8 *)(IDE_BASE+(0x11<<2)))              /* read error/write feature */
//#define Sector_Count    (*(volatile UI8 *)(IDE_BASE+(0x12<<2)))              /* sector count */
//#define Sector_Number   (*(volatile UI8 *)(IDE_BASE+(0x13<<2)))              /* sector number */
//#define Cylinder_Low    (*(volatile UI8 *)(IDE_BASE+(0x14<<2)))              /* cylinder low */
//#define Cylinder_High   (*(volatile UI8 *)(IDE_BASE+(0x15<<2)))              /* cylinder high */
//#define SDH       	(*(volatile UI8 *)(IDE_BASE+(0x16<<2)))              /* select card/head */
//#define Command_Reg     (*(volatile UI8 *)(IDE_BASE+(0x17<<2)))              /* read status/write command */
//#define Status_Reg	(*(volatile UI8 *)(IDE_BASE+(0x17<<2)))              /* read status/write command */


#define IDE_BASE           0xa000000		// nCS5
#define Data_Reg       (*(volatile UI16 *)(IDE_BASE+0x20+(0x0<<1)))	 /* even read data/odd write data */
#define Error_Reg      (*(volatile UI8 *)(IDE_BASE+0x20+ (0x1<<1)))		 /* read error/write feature */
#define Sector_Count   (*(volatile UI8 *)(IDE_BASE+0x20+ (0x2<<1)))		 /* sector count */
#define Sector_Number  (*(volatile UI8 *)(IDE_BASE+0x20+ (0x3<<1)))		 /* sector number */
#define Cylinder_Low  (*(volatile UI8 *)(IDE_BASE+0x20+ (0x4<<1)))		 /* cylinder low */
#define Cylinder_High  (*(volatile UI8 *)(IDE_BASE+ 0x20+ (0x5<<1))) 		 /* cylinder high */
#define SDH       	(*(volatile UI8 *)(IDE_BASE+ 0x20+ (0x6<<1))) 		 /* select card/head */
#define Command_Reg (*(volatile UI8 *)(IDE_BASE+0x20+ (0x7<<1))) 	 /* read status/write command */
#define Status_Reg		(*(volatile UI8 *)(IDE_BASE+0x20+ (0x7<<1)))       /* read status/write command */

   #define DATA						Data_Reg
   #define ERROR					Error_Reg
   #define FURTHERFEATS					Error_Reg
   #define SECTOR_COUNT					Sector_Count
   #define START_SECTOR					Sector_Number
   #define CYLINDERLOW					Cylinder_Low
   #define CYLINDERHIGH					Cylinder_High
   #define HEAD_DEVICE_PIO				SDH
   #define STATUS					Status_Reg
   #define COMMAND					Command_Reg

	
//-----------------------------------------------------------------------------
// IDE Internal Commands
//-----------------------------------------------------------------------------
	#define 	RECALLIBRATE	0x10
	#define 	READ			0x20
	#define 	WRITE			0x30		
	#define 	DRIVEID			0xEC
	#define 	SPINDOWN		0xE0
	#define		SPINUP			0xE1
	
//============================================
// The Following is ATA Command Define //
#define Check_Power_Mode				0xE5	
#define Check_Power_Mode_Alt		        	0x98
#define Disable_Password				0xF6
#define Erase_Prepare					0xF3
#define Erase_Unit					0xF4
#define Execute_Drv_Diag				0x90
#define Format_Track					0x50
#define Freeze_Lock					0xF5
#define Identify_Drive					0xEC

#define Idle						0xE3
#define Idle_Alt					0x97
#define Idle_Immediate					0xE1
#define Idle_Immediate_Alt				0x95
#define Init_Drv_Parameters				0x91
#define Read_Buffer					0xE4
#define Read_DMA_Retry					0xC8
#define Read_DMA_NoRetry				0xC9
#define Read_Long_Retry					0x22
#define Read_Long_NoRetry				0x23
#define Read_Multiple					0xC4
#define Read_Sectors_Retry				0x20
#define Read_Sectors_NoRetry				0x21
#define Read_Vfy_Sectors_Retry		    		0x40
#define Read_Vfy_Sectors_NoRetry	    		0x41
#define Recalibrate					0x10
#define Seek						0x70
#define Set_Features					0xEF
#define Set_Multiple					0xC6
#define Set_Password					0xF1
#define Sleep						0xE6
#define Sleep_Alt					0x99
#define Standby						0xE2
#define Standby_Alt					0x96
#define Standby_Immediate				0xE0
#define Standby_Immediate_Alt				0x94
#define Unlock						0xF2
#define Write_Buffer					0xE8
#define Write_DMA_Retry					0xCA
#define Write_DMA_NoRetry				0xCB
#define Write_Long_Retry				0x32
#define Write_Long_NoRetry		    		0x33
#define Write_Multiple					0xC5
#define Write_Sectors_Retry				0x30
#define Write_Sectors_NoRetry				0x31
#define Write_Verify					0x3C
// The Following is Diagnostic Code Define //
#define No_Err_Detected					0x01
#define Formatter_Device_Err				0x02
#define Sector_Buf_Err					0x03
#define ECC_Circuitry_Err				0x04
#define MCU_Err						0x05
#define Slave_DRV_Failed				0x80
//============================================

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------


//-----------------------------------------------------------------------------
// Prototypes
//-----------------------------------------------------------------------------	 
#define ReadReg(x) ((UI8)(x))
#define WriteReg(Address, Data) {			\
				Wait_ReadyBusy(); 	\
				Address = Data;		\
				}
#define ReadWord(reg) ((UI16)(reg))
#define WriteWord(Address, Data) {			\
				Wait_ReadyBusy(); 	\
				(Address) = (Data);		\
				}



//void Set_Address(byte Address);
//byte ReadReg(byte reg);
void Wait_ReadyBusy(void);
//void WriteReg(byte Address, byte Data);
void Wait_DRQBusy(void);
void Wait_DRQ(void);
//word ReadWord(byte reg);
//void WriteWord(byte Address, word Data);
UI8 CheckforError(void);
void ReadErrors(void);
//void DataInputSetup(void);
UI32 Fetch_ID_Max_LBA(UI8 silent);


#endif