1/*******************************************************************************
2 *
3 * Filename: spi_flash.h
4 *
5 * Definition of flash control routines supporting AT45DB161B
6 *
7 * Revision information:
8 *
9 * 17JAN2005	kb_admin	initial creation
10 *
11 * BEGIN_KBDD_BLOCK
12 * No warranty, expressed or implied, is included with this software.  It is
13 * provided "AS IS" and no warranty of any kind including statutory or aspects
14 * relating to merchantability or fitness for any purpose is provided.  All
15 * intellectual property rights of others is maintained with the respective
16 * owners.  This software is not copyrighted and is intended for reference
17 * only.
18 * END_BLOCK
19 *
20 * $FreeBSD$
21 ******************************************************************************/
22
23#ifndef _SPI_FLASH_H_
24#define _SPI_FLASH_H_
25
26typedef struct {
27	char		*tx_cmd;
28	unsigned	tx_cmd_size;
29	char		*rx_cmd;
30	unsigned	rx_cmd_size;
31	char		*tx_data;
32	unsigned	tx_data_size;
33	char		*rx_data;
34	unsigned	rx_data_size;
35} spiCommand_t;
36
37void SPI_ReadFlash(unsigned flash_addr, char *dest_addr, unsigned size);
38void SPI_WriteFlash(unsigned flash_addr, char *dest_addr, unsigned size);
39void SPI_InitFlash(void);
40
41void SPI_GetId(unsigned *id);
42
43#ifdef BOOT_BWCT
44#define FLASH_PAGE_SIZE	528
45#else
46#define FLASH_PAGE_SIZE	1056
47#endif
48
49// Flash commands
50
51#define CONTINUOUS_ARRAY_READ		0xE8
52#define CONTINUOUS_ARRAY_READ_HF	0x0B
53#define CONTINUOUS_ARRAY_READ_LF	0x03
54#define STATUS_REGISTER_READ		0xD7
55#define PROGRAM_THROUGH_BUFFER		0x82
56#define MANUFACTURER_ID			0x9F
57
58#endif
59