source: SVN/rincon/u-boot/board/mousse/flash.h @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 2.2 KB
Line 
1#ifndef FLASH_LIB_H
2#define FLASH_LIB_H
3
4#include <common.h>
5
6/* PIO operations max */
7#define FLASH_PROGRAM_POLLS             100000
8
9/* 10 Seconds default */
10#define FLASH_ERASE_SECTOR_TIMEOUT      (10*1000 /*SEC*/ )
11
12/* Flash device info structure */
13typedef struct flash_dev_s {
14    char        name[24];               /* Bank Name */
15    int         bank;                   /* Bank 0 or 1 */
16    unsigned int base;                  /* Base address */
17    int         sectors;                /* Sector count */
18    int         lgSectorSize;           /* Log2(usable bytes/sector) */
19    int         vendorID;               /* Expected vendor ID */
20    int         deviceID;               /* Expected device ID */
21    int         found;                  /* Set if found by flashLibInit */
22    int         swap;                   /* Set for bank 1 if byte swap req'd */
23} flash_dev_t;
24
25#define FLASH_MAX_POS(dev) \
26        ((dev)->sectors << (dev)->lgSectorSize)
27
28#define FLASH_SECTOR_POS(dev, sector) \
29        ((sector) << (dev)->lgSectorSize)
30
31/* AMD 29F040 */
32#define FLASH0_BANK                     0
33#define FLASH0_VENDOR_ID                0x01
34#define FLASH0_DEVICE_ID                0x49
35
36/* AMD29LV160DB */
37#define FLASH1_BANK                     1
38#define FLASH1_VENDOR_ID                0x0001
39#define FLASH1_DEVICE_ID                0x2249
40
41extern  flash_dev_t                     flashDev[];
42extern  int                             flashDevCount;
43
44/*
45 * Device pointers
46 *
47 * These must be kept in sync with the table in flashLib.c.
48 */
49#define FLASH_DEV_BANK0_SA0             (&flashDev[0])
50#define FLASH_DEV_BANK0_SA1             (&flashDev[1])
51#define FLASH_DEV_BANK0_SA2             (&flashDev[2])
52#define FLASH_DEV_BANK0_LOW             (&flashDev[3]) /* 960K */
53#define FLASH_DEV_BANK0_BOOT            (&flashDev[4]) /* PLCC */
54#define FLASH_DEV_BANK0_HIGH            (&flashDev[5]) /* 512K PLCC shadow */
55
56unsigned long flash_init(void);
57int flashEraseSector(flash_dev_t *dev, int sector);
58int flashErase(flash_dev_t *dev);
59int flashRead(flash_dev_t *dev, int pos, char *buf, int len);
60int flashWrite(flash_dev_t *dev, int pos, char *buf, int len);
61int flashWritable(flash_dev_t *dev, int pos, int len);
62int flashDiag(flash_dev_t *dev);
63int flashDiagAll(void);
64
65ulong flash_get_size (vu_long *addr, flash_info_t *info);
66void flash_print_info  (flash_info_t *info);
67int  flash_erase (flash_info_t *info, int s_first, int s_last);
68int  write_buff  (flash_info_t *info, uchar *src, ulong addr, ulong cnt);
69
70/*
71 * Flash info indices.
72 */
73#define FLASH_BANK_KERNEL 0
74#define FLASH_BANK_BOOT   1
75#define FLASH_BANK_AUX    2
76#define FIRST_SECTOR      0
77
78#endif  /* !FLASH_LIB_H */
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