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 */
  13 typedef 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
  41 extern  flash_dev_t                     flashDev[];
  42 extern  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
  56 unsigned long flash_init(void);
  57 int flashEraseSector(flash_dev_t *dev, int sector);
  58 int flashErase(flash_dev_t *dev);
  59 int flashRead(flash_dev_t *dev, int pos, char *buf, int len);
  60 int flashWrite(flash_dev_t *dev, int pos, char *buf, int len);
  61 int flashWritable(flash_dev_t *dev, int pos, int len);
  62 int flashDiag(flash_dev_t *dev);
  63 int flashDiagAll(void);
  64
  65 ulong flash_get_size (vu_long *addr, flash_info_t *info);
  66 void flash_print_info  (flash_info_t *info);
  67 int  flash_erase (flash_info_t *info, int s_first, int s_last);
  68 int  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 */