LXR uboot/board/mousse/flash.h

   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 */
  79