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  */
  13
  14 #ifndef _sflash_h_
  15 #define _sflash_h_
  16
  17 #include <typedefs.h>
  18 #include <sbchipc.h>
  19 #include <sbutils.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(sb_t *sbh, chipcregs_t *cc, uint offset);
  30 extern int sflash_read(sb_t *sbh, chipcregs_t *cc,
  31                        uint offset, uint len, uchar *buf);
  32 extern int sflash_write(sb_t *sbh, chipcregs_t *cc,
  33                         uint offset, uint len, const uchar *buf);
  34 extern int sflash_erase(sb_t *sbh, chipcregs_t *cc, uint offset);
  35 extern int sflash_commit(sb_t *sbh, chipcregs_t *cc,
  36                          uint offset, uint len, const uchar *buf);
  37 extern struct sflash *sflash_init(sb_t *sbh, chipcregs_t *cc);
  38
  39 #endif /* _sflash_h_ */