arch/arm/include/asm/arch-davinci/nand_defs.h

   1 /*
   2  * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
   3  *
   4  * Parts shamelesly stolen from Linux Kernel source tree.
   5  *
   6  * ------------------------------------------------------------
   7  *
   8  * See file CREDITS for list of people who contributed to this
   9  * project.
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License as
  13  * published by the Free Software Foundation; either version 2 of
  14  * the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24  * MA 02111-1307 USA
  25  */
  26 #ifndef _NAND_DEFS_H_
  27 #define _NAND_DEFS_H_
  28
  29 #include <asm/arch/hardware.h>
  30
  31 #ifdef CONFIG_SOC_DM646X
  32 #define MASK_CLE        0x80000
  33 #define MASK_ALE        0x40000
  34 #else
  35 #define MASK_CLE        0x10
  36 #define MASK_ALE        0x08
  37 #endif
  38
  39 #define NAND_READ_START         0x00
  40 #define NAND_READ_END           0x30
  41 #define NAND_STATUS             0x70
  42
  43 extern void davinci_nand_init(struct nand_chip *nand);
  44
  45 #endif