include/asm-arm/arch-omap3/omap_gpmc.h

   1 /*
   2  * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com>
   3  * Rohit Choraria <rohitkc@ti.com>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23 #ifndef __ASM_ARCH_OMAP_GPMC_H
  24 #define __ASM_ARCH_OMAP_GPMC_H
  25
  26 #define GPMC_BUF_EMPTY  0
  27 #define GPMC_BUF_FULL   1
  28
  29 #define ECCCLEAR        (0x1 << 8)
  30 #define ECCRESULTREG1   (0x1 << 0)
  31 #define ECCSIZE512BYTE  0xFF
  32 #define ECCSIZE1        (ECCSIZE512BYTE << 22)
  33 #define ECCSIZE0        (ECCSIZE512BYTE << 12)
  34 #define ECCSIZE0SEL     (0x000 << 0)
  35
  36 /* Generic ECC Layouts */
  37 /* Large Page x8 NAND device Layout */
  38 #ifdef GPMC_NAND_ECC_LP_x8_LAYOUT
  39 #define GPMC_NAND_HW_ECC_LAYOUT {\
  40         .eccbytes = 12,\
  41         .eccpos = {1, 2, 3, 4, 5, 6, 7, 8,\
  42                 9, 10, 11, 12},\
  43         .oobfree = {\
  44                 {.offset = 13,\
  45                  .length = 51 } } \
  46 }
  47 #endif
  48
  49 /* Large Page x16 NAND device Layout */
  50 #ifdef GPMC_NAND_ECC_LP_x16_LAYOUT
  51 #define GPMC_NAND_HW_ECC_LAYOUT {\
  52         .eccbytes = 12,\
  53         .eccpos = {2, 3, 4, 5, 6, 7, 8, 9,\
  54                 10, 11, 12, 13},\
  55         .oobfree = {\
  56                 {.offset = 14,\
  57                  .length = 50 } } \
  58 }
  59 #endif
  60
  61 /* Small Page x8 NAND device Layout */
  62 #ifdef GPMC_NAND_ECC_SP_x8_LAYOUT
  63 #define GPMC_NAND_HW_ECC_LAYOUT {\
  64         .eccbytes = 3,\
  65         .eccpos = {1, 2, 3},\
  66         .oobfree = {\
  67                 {.offset = 4,\
  68                  .length = 12 } } \
  69 }
  70 #endif
  71
  72 /* Small Page x16 NAND device Layout */
  73 #ifdef GPMC_NAND_ECC_SP_x16_LAYOUT
  74 #define GPMC_NAND_HW_ECC_LAYOUT {\
  75         .eccbytes = 3,\
  76         .eccpos = {2, 3, 4},\
  77         .oobfree = {\
  78                 {.offset = 5,\
  79                  .length = 11 } } \
  80 }
  81 #endif
  82
  83 #endif /* __ASM_ARCH_OMAP_GPMC_H */