target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/sflash.h

   1 /*
   2  * Broadcom SiliconBackplane chipcommon serial flash interface
   3  *
   4  * Copyright 2007, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11  *
  12  * $Id$
  13  */
  14
  15 #ifndef _sflash_h_
  16 #define _sflash_h_
  17
  18 #include <typedefs.h>
  19 #include <sbchipc.h>
  20 #include <sbutils.h>
  21
  22 struct sflash {
  23         uint blocksize;         /* Block size */
  24         uint numblocks;         /* Number of blocks */
  25         uint32 type;            /* Type */
  26         uint size;              /* Total size in bytes */
  27 };
  28
  29 /* Utility functions */
  30 extern int sflash_poll(sb_t *sbh, chipcregs_t *cc, uint offset);
  31 extern int sflash_read(sb_t *sbh, chipcregs_t *cc,
  32                        uint offset, uint len, uchar *buf);
  33 extern int sflash_write(sb_t *sbh, chipcregs_t *cc,
  34                         uint offset, uint len, const uchar *buf);
  35 extern int sflash_erase(sb_t *sbh, chipcregs_t *cc, uint offset);
  36 extern int sflash_commit(sb_t *sbh, chipcregs_t *cc,
  37                          uint offset, uint len, const uchar *buf);
  38 extern struct sflash *sflash_init(sb_t *sbh, chipcregs_t *cc);
  39
  40 #endif /* _sflash_h_ */