openwrt/package/linux/kernel-source/include/sflash.h

   1 /*
   2  * Broadcom SiliconBackplane chipcommon serial flash interface
   3  *
   4  * Copyright 2004, 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
  21 struct sflash {
  22         uint blocksize;         /* Block size */
  23         uint numblocks;         /* Number of blocks */
  24         uint32 type;            /* Type */
  25         uint size;              /* Total size in bytes */
  26 };
  27
  28 /* Utility functions */
  29 extern int sflash_poll(chipcregs_t *cc, uint offset);
  30 extern int sflash_read(chipcregs_t *cc, uint offset, uint len, uchar *buf);
  31 extern int sflash_write(chipcregs_t *cc, uint offset, uint len, const uchar *buf);
  32 extern int sflash_erase(chipcregs_t *cc, uint offset);
  33 extern int sflash_commit(chipcregs_t *cc, uint offset, uint len, const uchar *buf);
  34 extern struct sflash * sflash_init(chipcregs_t *cc);
  35
  36 #endif /* _sflash_h_ */