onenand_ipl/onenand_ipl.h

   1 /*
   2  * (C) Copyright 2005-2008 Samsung Electronics
   3  * Kyungmin Park <kyungmin.park@samsung.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of
   8  * the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18  * MA 02111-1307 USA
  19  */
  20
  21 #ifndef _ONENAND_IPL_H
  22 #define _ONENAND_IPL_H
  23
  24 #include <linux/mtd/onenand_regs.h>
  25
  26 #define onenand_readw(a)        readw(a)
  27 #define onenand_writew(v, a)    writew(v, a)
  28
  29 #define THIS_ONENAND(a)         (CONFIG_SYS_ONENAND_BASE + (a))
  30
  31 #define READ_INTERRUPT()                                                \
  32         onenand_readw(THIS_ONENAND(ONENAND_REG_INTERRUPT))
  33
  34 #define ONENAND_PAGE_SIZE                       2048
  35
  36 extern int onenand_read_block0(unsigned char *buf);
  37 #endif