[u-boot.git] / include / dataflash.h

/*
 * (C) Copyright 2003
 * Data Flash Atmel Description File
 * Author : Hamid Ikdoumi (Atmel)
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/* File Name		: dataflash.h					*/
/* Object		: Data Flash Atmel Description File		*/
/* Translator		:						*/
/*									*/
/* 1.0 03/04/01 HI	: Creation					*/
/* 1.2 20/10/02 FB	: Adapatation Service and Lib v3		*/
/*----------------------------------------------------------------------*/

#ifndef _DataFlash_h
#define _DataFlash_h


#include <asm/arch/hardware.h>
#include "config.h"


typedef struct {
	unsigned long base;		/* logical base address for a bank */
	unsigned long size;		/* total bank size */
	unsigned long page_count;
	unsigned long page_size;
	unsigned long id;		/* device id */
	unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
} dataflash_info_t;


typedef unsigned int AT91S_DataFlashStatus;

/*----------------------------------------------------------------------*/
/* DataFlash Structures							*/
/*----------------------------------------------------------------------*/

/*---------------------------------------------*/
/* DataFlash Descriptor Structure Definition   */
/*---------------------------------------------*/
typedef struct _AT91S_DataflashDesc {
	unsigned char *tx_cmd_pt;
	unsigned int tx_cmd_size;
	unsigned char *rx_cmd_pt;
	unsigned int rx_cmd_size;
	unsigned char *tx_data_pt;
	unsigned int tx_data_size;
	unsigned char *rx_data_pt;
	unsigned int rx_data_size;
	volatile unsigned char state;
	volatile unsigned char DataFlash_state;
	unsigned char command[8];
} AT91S_DataflashDesc, *AT91PS_DataflashDesc;

/*---------------------------------------------*/
/* DataFlash device definition structure       */
/*---------------------------------------------*/
typedef struct _AT91S_Dataflash {
	int pages_number;			/* dataflash page number */
	int pages_size;				/* dataflash page size */
	int page_offset;			/* page offset in command */
	int byte_mask;				/* byte mask in command */
	int cs;
} AT91S_DataflashFeatures, *AT91PS_DataflashFeatures;

/*---------------------------------------------*/
/* DataFlash Structure Definition	       */
/*---------------------------------------------*/
typedef struct _AT91S_DataFlash {
	AT91PS_DataflashDesc pDataFlashDesc;	/* dataflash descriptor */
	AT91PS_DataflashFeatures pDevice;	/* Pointer on a dataflash features array */
} AT91S_DataFlash, *AT91PS_DataFlash;


typedef struct _AT91S_DATAFLASH_INFO {

	AT91S_DataflashDesc Desc;
	AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */
	unsigned long logical_address;
	unsigned int id;			/* device id */
	unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
} AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;


/*-------------------------------------------------------------------------------------------------*/

#define AT45DB161	0x2c
#define AT45DB321	0x34
#define AT45DB642	0x3c

#define AT91C_DATAFLASH_TIMEOUT		10000	/* For AT91F_DataFlashWaitReady */

/* DataFlash return value */
#define DATAFLASH_BUSY			0x00
#define DATAFLASH_OK			0x01
#define DATAFLASH_ERROR			0x02
#define DATAFLASH_MEMORY_OVERFLOW	0x03
#define DATAFLASH_BAD_COMMAND		0x04
#define DATAFLASH_BAD_ADDRESS		0x05


/* Driver State */
#define IDLE		0x0
#define BUSY		0x1
#define ERROR		0x2

/* DataFlash Driver State */
#define GET_STATUS	0x0F

/*-------------------------------------------------------------------------------------------------*/
/* Command Definition										   */
/*-------------------------------------------------------------------------------------------------*/

/* READ COMMANDS */
#define DB_CONTINUOUS_ARRAY_READ	0xE8	/* Continuous array read */
#define DB_BURST_ARRAY_READ		0xE8	/* Burst array read */
#define DB_PAGE_READ			0xD2	/* Main memory page read */
#define DB_BUF1_READ			0xD4	/* Buffer 1 read */
#define DB_BUF2_READ			0xD6	/* Buffer 2 read */
#define DB_STATUS			0xD7	/* Status Register */

/* PROGRAM and ERASE COMMANDS */
#define DB_BUF1_WRITE			0x84	/* Buffer 1 write */
#define DB_BUF2_WRITE			0x87	/* Buffer 2 write */
#define DB_BUF1_PAGE_ERASE_PGM		0x83	/* Buffer 1 to main memory page program with built-In erase */
#define DB_BUF1_PAGE_ERASE_FASTPGM	0x93	/* Buffer 1 to main memory page program with built-In erase, Fast program */
#define DB_BUF2_PAGE_ERASE_PGM		0x86	/* Buffer 2 to main memory page program with built-In erase */
#define DB_BUF2_PAGE_ERASE_FASTPGM	0x96	/* Buffer 1 to main memory page program with built-In erase, Fast program */
#define DB_BUF1_PAGE_PGM		0x88	/* Buffer 1 to main memory page program without built-In erase */
#define DB_BUF1_PAGE_FASTPGM		0x98	/* Buffer 1 to main memory page program without built-In erase, Fast program */
#define DB_BUF2_PAGE_PGM		0x89	/* Buffer 2 to main memory page program without built-In erase */
#define DB_BUF2_PAGE_FASTPGM		0x99	/* Buffer 1 to main memory page program without built-In erase, Fast program */
#define DB_PAGE_ERASE			0x81	/* Page Erase */
#define DB_BLOCK_ERASE			0x50	/* Block Erase */
#define DB_PAGE_PGM_BUF1		0x82	/* Main memory page through buffer 1 */
#define DB_PAGE_FASTPGM_BUF1		0x92	/* Main memory page through buffer 1, Fast program */
#define DB_PAGE_PGM_BUF2		0x85	/* Main memory page through buffer 2 */
#define DB_PAGE_FastPGM_BUF2		0x95	/* Main memory page through buffer 2, Fast program */

/* ADDITIONAL COMMANDS */
#define DB_PAGE_2_BUF1_TRF		0x53	/* Main memory page to buffer 1 transfert */
#define DB_PAGE_2_BUF2_TRF		0x55	/* Main memory page to buffer 2 transfert */
#define DB_PAGE_2_BUF1_CMP		0x60	/* Main memory page to buffer 1 compare */
#define DB_PAGE_2_BUF2_CMP		0x61	/* Main memory page to buffer 2 compare */
#define DB_AUTO_PAGE_PGM_BUF1		0x58	/* Auto page rewrite throught buffer 1 */
#define DB_AUTO_PAGE_PGM_BUF2		0x59	/* Auto page rewrite throught buffer 2 */

/*-------------------------------------------------------------------------------------------------*/

extern int addr_dataflash (unsigned long addr);
extern int read_dataflash (unsigned long addr, unsigned long size, char *result);
extern int write_dataflash (unsigned long addr, unsigned long dest, unsigned long size);
extern void dataflash_print_info (void);
extern void dataflash_perror (int err);

#endif
Commit	Line	Data
2abbe075 WD	1	/*
	2	* (C) Copyright 2003
	3	* Data Flash Atmel Description File
	4	* Author : Hamid Ikdoumi (Atmel)
	5	*
	6	* See file CREDITS for list of people who contributed to this
	7	* project.
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License as
	11	* published by the Free Software Foundation; either version 2 of
	12	* the License, or (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	22	* MA 02111-1307 USA
	23	*/
	24
	25	/* File Name : dataflash.h */
	26	/* Object : Data Flash Atmel Description File */
	27	/* Translator : */
	28	/* */
	29	/* 1.0 03/04/01 HI : Creation */
	30	/* 1.2 20/10/02 FB : Adapatation Service and Lib v3 */
	31	/----------------------------------------------------------------------/
	32
	33	#ifndef _DataFlash_h
	34	#define _DataFlash_h
	35
	36
	37	#include <asm/arch/hardware.h>
	38	#include "config.h"
	39
	40
	41	typedef struct {
	42	unsigned long base; /* logical base address for a bank */
	43	unsigned long size; /* total bank size */
	44	unsigned long page_count;
	45	unsigned long page_size;
	46	unsigned long id; /* device id */
	47	unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
	48	} dataflash_info_t;
	49
	50
	51	typedef unsigned int AT91S_DataFlashStatus;
	52
	53	/----------------------------------------------------------------------/
	54	/* DataFlash Structures */
	55	/----------------------------------------------------------------------/
	56
	57	/---------------------------------------------/
	58	/* DataFlash Descriptor Structure Definition */
	59	/---------------------------------------------/
	60	typedef struct _AT91S_DataflashDesc {
	61	unsigned char *tx_cmd_pt;
	62	unsigned int tx_cmd_size;
	63	unsigned char *rx_cmd_pt;
	64	unsigned int rx_cmd_size;
65	unsigned char *tx_data_pt;
66	unsigned int tx_data_size;
67	unsigned char *rx_data_pt;
68	unsigned int rx_data_size;
69	volatile unsigned char state;
70	volatile unsigned char DataFlash_state;
71	unsigned char command[8];
72	} AT91S_DataflashDesc, *AT91PS_DataflashDesc;
73
74	/---------------------------------------------/
75	/* DataFlash device definition structure */
76	/---------------------------------------------/
77	typedef struct _AT91S_Dataflash {
78	int pages_number; /* dataflash page number */
79	int pages_size; /* dataflash page size */
80	int page_offset; /* page offset in command */
81	int byte_mask; /* byte mask in command */
82	int cs;
83	} AT91S_DataflashFeatures, *AT91PS_DataflashFeatures;
84
85	/---------------------------------------------/
86	/* DataFlash Structure Definition */
87	/---------------------------------------------/
88	typedef struct _AT91S_DataFlash {
89	AT91PS_DataflashDesc pDataFlashDesc; /* dataflash descriptor */
90	AT91PS_DataflashFeatures pDevice; /* Pointer on a dataflash features array */
91	} AT91S_DataFlash, *AT91PS_DataFlash;
92
93
2abbe075 WD	94	typedef struct _AT91S_DATAFLASH_INFO {
	95
	96	AT91S_DataflashDesc Desc;
	97	AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */
	98	unsigned long logical_address;
	99	unsigned int id; /* device id */
	100	unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
	101	} AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;
	102
	103
	104	/-------------------------------------------------------------------------------------------------/
	105
	106	#define AT45DB161 0x2c
	107	#define AT45DB321 0x34
	108	#define AT45DB642 0x3c
	109
	110	#define AT91C_DATAFLASH_TIMEOUT 10000 /* For AT91F_DataFlashWaitReady */
	111
	112	/* DataFlash return value */
	113	#define DATAFLASH_BUSY 0x00
	114	#define DATAFLASH_OK 0x01
	115	#define DATAFLASH_ERROR 0x02
	116	#define DATAFLASH_MEMORY_OVERFLOW 0x03
	117	#define DATAFLASH_BAD_COMMAND 0x04
	118	#define DATAFLASH_BAD_ADDRESS 0x05
	119
	120
	121	/* Driver State */
	122	#define IDLE 0x0
	123	#define BUSY 0x1
	124	#define ERROR 0x2
	125
	126	/* DataFlash Driver State */
	127	#define GET_STATUS 0x0F
	128
	129	/-------------------------------------------------------------------------------------------------/
	130	/* Command Definition */
	131	/-------------------------------------------------------------------------------------------------/
	132
	133	/* READ COMMANDS */
	134	#define DB_CONTINUOUS_ARRAY_READ 0xE8 /* Continuous array read */
	135	#define DB_BURST_ARRAY_READ 0xE8 /* Burst array read */
	136	#define DB_PAGE_READ 0xD2 /* Main memory page read */
	137	#define DB_BUF1_READ 0xD4 /* Buffer 1 read */
	138	#define DB_BUF2_READ 0xD6 /* Buffer 2 read */
	139	#define DB_STATUS 0xD7 /* Status Register */
	140
	141	/* PROGRAM and ERASE COMMANDS */
	142	#define DB_BUF1_WRITE 0x84 /* Buffer 1 write */
	143	#define DB_BUF2_WRITE 0x87 /* Buffer 2 write */
	144	#define DB_BUF1_PAGE_ERASE_PGM 0x83 /* Buffer 1 to main memory page program with built-In erase */
	145	#define DB_BUF1_PAGE_ERASE_FASTPGM 0x93 /* Buffer 1 to main memory page program with built-In erase, Fast program */
	146	#define DB_BUF2_PAGE_ERASE_PGM 0x86 /* Buffer 2 to main memory page program with built-In erase */
	147	#define DB_BUF2_PAGE_ERASE_FASTPGM 0x96 /* Buffer 1 to main memory page program with built-In erase, Fast program */
	148	#define DB_BUF1_PAGE_PGM 0x88 /* Buffer 1 to main memory page program without built-In erase */
	149	#define DB_BUF1_PAGE_FASTPGM 0x98 /* Buffer 1 to main memory page program without built-In erase, Fast program */
	150	#define DB_BUF2_PAGE_PGM 0x89 /* Buffer 2 to main memory page program without built-In erase */
	151	#define DB_BUF2_PAGE_FASTPGM 0x99 /* Buffer 1 to main memory page program without built-In erase, Fast program */
	152	#define DB_PAGE_ERASE 0x81 /* Page Erase */
	153	#define DB_BLOCK_ERASE 0x50 /* Block Erase */
	154	#define DB_PAGE_PGM_BUF1 0x82 /* Main memory page through buffer 1 */
	155	#define DB_PAGE_FASTPGM_BUF1 0x92 /* Main memory page through buffer 1, Fast program */
	156	#define DB_PAGE_PGM_BUF2 0x85 /* Main memory page through buffer 2 */
	157	#define DB_PAGE_FastPGM_BUF2 0x95 /* Main memory page through buffer 2, Fast program */
158
159	/* ADDITIONAL COMMANDS */
160	#define DB_PAGE_2_BUF1_TRF 0x53 /* Main memory page to buffer 1 transfert */
161	#define DB_PAGE_2_BUF2_TRF 0x55 /* Main memory page to buffer 2 transfert */
162	#define DB_PAGE_2_BUF1_CMP 0x60 /* Main memory page to buffer 1 compare */
163	#define DB_PAGE_2_BUF2_CMP 0x61 /* Main memory page to buffer 2 compare */
164	#define DB_AUTO_PAGE_PGM_BUF1 0x58 /* Auto page rewrite throught buffer 1 */
165	#define DB_AUTO_PAGE_PGM_BUF2 0x59 /* Auto page rewrite throught buffer 2 */
166
167	/-------------------------------------------------------------------------------------------------/
168
169	extern int addr_dataflash (unsigned long addr);
170	extern int read_dataflash (unsigned long addr, unsigned long size, char *result);
171	extern int write_dataflash (unsigned long addr, unsigned long dest, unsigned long size);
172	extern void dataflash_print_info (void);
173	extern void dataflash_perror (int err);
174
175	#endif