--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Data Flash Atmel Description File
+ * Author : Hamid Ikdoumi (Atmel)
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* 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 "config.h"
+
+/*number of protected area*/
+#define NB_DATAFLASH_AREA 5
+
+#ifdef CONFIG_SYS_NO_FLASH
+
+/*-----------------------------------------------------------------------
+ * return codes from flash_write():
+ */
+# define ERR_OK 0
+# define ERR_TIMOUT 1
+# define ERR_NOT_ERASED 2
+# define ERR_PROTECTED 4
+# define ERR_INVAL 8
+# define ERR_ALIGN 16
+# define ERR_UNKNOWN_FLASH_VENDOR 32
+# define ERR_UNKNOWN_FLASH_TYPE 64
+# define ERR_PROG_ERROR 128
+
+/*-----------------------------------------------------------------------
+ * Protection Flags for flash_protect():
+ */
+# define FLAG_PROTECT_SET 0x01
+# define FLAG_PROTECT_CLEAR 0x02
+# define FLAG_PROTECT_INVALID 0x03
+
+/*-----------------------------------------------------------------------
+ * Set Environment according to label:
+ */
+# define FLAG_SETENV 0x80
+#endif /* CONFIG_SYS_NO_FLASH */
+
+/*define the area structure*/
+typedef struct {
+ unsigned long start;
+ unsigned long end;
+ unsigned char protected;
+ unsigned char setenv;
+ unsigned char label[20];
+} dataflash_protect_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;
+ dataflash_protect_t area_list[NB_DATAFLASH_AREA]; /* area protection status */
+} 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 long end_address;
+ unsigned int id; /* device id */
+} AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;
+
+struct dataflash_addr {
+ unsigned long addr;
+ int cs;
+};
+/*-------------------------------------------------------------------------------------------------*/
+#define AT45DB161 0x2c
+#define AT45DB021 0x14
+#define AT45DB081 0x24
+#define AT45DB321 0x34
+#define AT45DB642 0x3c
+#define AT45DB128 0x10
+#define PAGES_PER_BLOCK 8
+
+#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 size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size);
+extern int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr);
+extern int addr2ram(ulong addr);
+extern int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr);
+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_dest, unsigned long addr_src,
+ unsigned long size);
+extern int AT91F_DataflashInit(void);
+
+extern void dataflash_print_info (void);
+extern void dataflash_perror (int err);
+extern void AT91F_DataflashSetEnv (void);
+
+extern struct dataflash_addr cs[CONFIG_SYS_MAX_DATAFLASH_BANKS];
+extern dataflash_protect_t area_list[NB_DATAFLASH_AREA];
+extern AT91S_DATAFLASH_INFO dataflash_info[];
+#endif
Code Review / kvmfornfv.git / blobdiff