firmware/target/arm/rk27xx/nand-target.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 by Michael Sparmann
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef __NAND_TARGET_H__
  23 #define __NAND_TARGET_H__
  24
  25 #include "config.h"
  26 #include "inttypes.h"
  27
  28
  29 struct nand_device_info_type
  30 {
  31     uint32_t id;
  32     uint16_t blocks;
  33     uint16_t userblocks;
  34     uint16_t pagesperblock;
  35     uint8_t blocksizeexponent;
  36     uint8_t tunk1;
  37     uint8_t twp;
  38     uint8_t tunk2;
  39     uint8_t tunk3;
  40 } __attribute__((packed));
  41
  42 uint32_t nand_read_page(uint32_t bank, uint32_t page, void* databuffer,
  43                         void* sparebuffer, uint32_t doecc,
  44                         uint32_t checkempty);
  45 uint32_t nand_write_page(uint32_t bank, uint32_t page, void* databuffer,
  46                          void* sparebuffer, uint32_t doecc);
  47 uint32_t nand_block_erase(uint32_t bank, uint32_t page);
  48
  49 const struct nand_device_info_type* nand_get_device_type(uint32_t bank);
  50 uint32_t nand_reset(uint32_t bank);
  51 uint32_t nand_device_init(void);
  52 void nand_set_active(void);
  53 long nand_last_activity(void);
  54 void nand_power_up(void);
  55 void nand_power_down(void);
  56
  57
  58 #endif