include/asm-arm/arch-at91/at91_ecc.h

   1 /*
   2  * include/asm-arm/arch-at91/at91_ecc.h
   3  *
   4  * Error Corrected Code Controller (ECC) - System peripherals regsters.
   5  * Based on AT91SAM9260 datasheet revision B.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2 of the License, or (at your
  10  * option) any later version.
  11  */
  12
  13 #ifndef AT91_ECC_H
  14 #define AT91_ECC_H
  15
  16 #define AT91_ECC_CR             (AT91_ECC + 0x00)       /* Control register */
  17 #define         AT91_ECC_RST            (1 << 0)                /* Reset parity */
  18
  19 #define AT91_ECC_MR             (AT91_ECC + 0x04)       /* Mode register */
  20 #define         AT91_ECC_PAGESIZE       (3 << 0)                /* Page Size */
  21 #define                 AT91_ECC_PAGESIZE_528           (0)
  22 #define                 AT91_ECC_PAGESIZE_1056          (1)
  23 #define                 AT91_ECC_PAGESIZE_2112          (2)
  24 #define                 AT91_ECC_PAGESIZE_4224          (3)
  25
  26 #define AT91_ECC_SR             (AT91_ECC + 0x08)       /* Status register */
  27 #define         AT91_ECC_RECERR         (1 << 0)                /* Recoverable Error */
  28 #define         AT91_ECC_ECCERR         (1 << 1)                /* ECC Single Bit Error */
  29 #define         AT91_ECC_MULERR         (1 << 2)                /* Multiple Errors */
  30
  31 #define AT91_ECC_PR             (AT91_ECC + 0x0c)       /* Parity register */
  32 #define         AT91_ECC_BITADDR        (0xf << 0)              /* Bit Error Address */
  33 #define         AT91_ECC_WORDADDR       (0xfff << 4)            /* Word Error Address */
  34
  35 #define AT91_ECC_NPR            (AT91_ECC + 0x10)       /* NParity register */
  36 #define         AT91_ECC_NPARITY        (0xffff << 0)           /* NParity */
  37
  38 #endif