release/src-rt-6.x.4708/include/bcmotp.h

   1 /*
   2  * OTP support.
   3  *
   4  * Copyright (C) 2012, 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: bcmotp.h 321779 2012-03-16 19:39:00Z $
  19  */
  20
  21 #ifndef _bcmotp_h_
  22 #define _bcmotp_h_
  23
  24 /* OTP regions */
  25 #define OTP_HW_RGN      1
  26 #define OTP_SW_RGN      2
  27 #define OTP_CI_RGN      4
  28 #define OTP_FUSE_RGN    8
  29 #define OTP_ALL_RGN     0xf     /* From h/w region to end of OTP including checksum */
  30
  31 /* OTP Size */
  32 #define OTP_SZ_MAX              (6144/8)        /* maximum bytes in one CIS */
  33
  34 /* Fixed size subregions sizes in words */
  35 #define OTPGU_CI_SZ             2
  36
  37 /* OTP usage */
  38 #define OTP4325_FM_DISABLED_OFFSET      188
  39
  40 #ifdef BCMNVRAMW
  41 /* Global RDE index for chips not having an OTP PMU resource. */
  42 #define OTP_GLOBAL_RDE_IDX 0xFF
  43 #endif
  44
  45 /* Exported functions */
  46 extern int      otp_status(void *oh);
  47 extern int      otp_size(void *oh);
  48 extern uint16   otp_read_bit(void *oh, uint offset);
  49 extern void*    otp_init(si_t *sih);
  50 extern int      otp_read_region(si_t *sih, int region, uint16 *data, uint *wlen);
  51 extern int      otp_read_word(si_t *sih, uint wn, uint16 *data);
  52 extern int      otp_nvread(void *oh, char *data, uint *len);
  53 #ifdef BCMNVRAMW
  54 extern int      otp_write_region(si_t *sih, int region, uint16 *data, uint wlen);
  55 extern int      otp_write_word(si_t *sih, uint wn, uint16 data);
  56 extern int      otp_cis_append_region(si_t *sih, int region, char *vars, int count);
  57 extern int      otp_lock(si_t *sih);
  58 extern int      otp_nvwrite(void *oh, uint16 *data, uint wlen);
  59 #endif /* BCMNVRAMW */
  60
  61 #if defined(WLTEST)
  62 extern int      otp_dump(void *oh, int arg, char *buf, uint size);
  63 extern int      otp_dumpstats(void *oh, int arg, char *buf, uint size);
  64 #endif
  65
  66 #if defined(BCMNVRAMW)
  67 #define otp_write_rde(oh, rde, bit, val)        ipxotp_write_rde(oh, rde, bit, val)
  68 extern int      ipxotp_write_rde(void *oh, int rde, uint bit, uint val);
  69 extern int otp_write_bits(void *oh, uint offset, int bits, uint8* data);
  70
  71 #ifdef OTP_DEBUG
  72 extern int otp_verify1x(void *oh, uint off, uint fuse);
  73 extern int otp_read1x(void *oh, uint off, uint fuse);
  74 extern int otp_repair_bit(void *oh, uint off, uint val);
  75 extern int otp_write_ones(void *oh, uint off, uint bits);
  76 extern int otp_write_ones_old(void *oh, uint off, uint bits);
  77 #endif
  78
  79 #endif
  80
  81 #endif /* _bcmotp_h_ */