release/src-rt/include/sflash.h

   1 /*
   2  * Broadcom SiliconBackplane chipcommon serial flash interface
   3  *
   4  * Copyright (C) 2010, Broadcom Corporation. All Rights Reserved.
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  13  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  15  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  *
  18  * $Id: sflash.h,v 13.10 2008-03-04 22:17:11 Exp $
  19  */
  20
  21 #ifndef _sflash_h_
  22 #define _sflash_h_
  23
  24 #include <typedefs.h>
  25 #include <sbchipc.h>
  26
  27 struct sflash {
  28         uint blocksize;         /* Block size */
  29         uint numblocks;         /* Number of blocks */
  30         uint32 type;            /* Type */
  31         uint size;              /* Total size in bytes */
  32 };
  33
  34 /* Utility functions */
  35 extern int sflash_poll(si_t *sih, chipcregs_t *cc, uint offset);
  36 extern int sflash_read(si_t *sih, chipcregs_t *cc,
  37                        uint offset, uint len, uchar *buf);
  38 extern int sflash_write(si_t *sih, chipcregs_t *cc,
  39                         uint offset, uint len, const uchar *buf);
  40 extern int sflash_erase(si_t *sih, chipcregs_t *cc, uint offset);
  41 extern int sflash_commit(si_t *sih, chipcregs_t *cc,
  42                          uint offset, uint len, const uchar *buf);
  43 extern struct sflash *sflash_init(si_t *sih, chipcregs_t *cc);
  44
  45 #endif /* _sflash_h_ */