release/src-rt/include/hndtcam.h

   1 /*
   2  * HND SOCRAM TCAM software 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: hndtcam.h,v 1.3 2008-12-17 13:09:49 Exp $
  19  */
  20 #ifndef _hndtcam_h_
  21 #define _hndtcam_h_
  22
  23 /*
  24  * 0 - 1
  25  * 1 - 2 Consecutive locations are patched
  26  * 2 - 4 Consecutive locations are patched
  27  * 3 - 8 Consecutive locations are patched
  28  * 4 - 16 Consecutive locations are patched
  29  * Define default to patch 2 locations
  30  */
  31
  32 #ifdef  PATCHCOUNT
  33 #define SRPC_PATCHCOUNT PATCHCOUNT
  34 #else
  35 #define PATCHCOUNT 0
  36 #define SRPC_PATCHCOUNT PATCHCOUNT
  37 #endif
  38
  39 /* N Consecutive location to patch */
  40 #define SRPC_PATCHNLOC (1 << (SRPC_PATCHCOUNT))
  41
  42 /* patch values and address structure */
  43 typedef struct patchaddrvalue {
  44         uint32  addr;
  45         uint32  value;
  46 } patchaddrvalue_t;
  47
  48 extern void hnd_patch_init(void *srp);
  49 extern void hnd_tcam_write(void *srp, uint16 index, uint32 data);
  50 extern void hnd_tcam_read(void *srp, uint16 index, uint32 *content);
  51 void * hnd_tcam_init(void *srp, uint no_addrs);
  52 extern void hnd_tcam_disablepatch(void *srp);
  53 extern void hnd_tcam_enablepatch(void *srp);
  54 #ifdef CONFIG_XIP
  55 extern void hnd_tcam_bootloader_load(void *srp, char *pvars);
  56 #else
  57 extern void hnd_tcam_load(void *srp, const  patchaddrvalue_t *patchtbl);
  58 #endif /* CONFIG_XIP */
  59
  60 #endif /* _hndtcam_h_ */