include/linux/mtd/fsl_upm.h

   1 /*
   2  * FSL UPM NAND driver
   3  *
   4  * Copyright (C) 2007 MontaVista Software, Inc.
   5  *                    Anton Vorontsov <avorontsov@ru.mvista.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  */
  12
  13 #ifndef __LINUX_MTD_NAND_FSL_UPM
  14 #define __LINUX_MTD_NAND_FSL_UPM
  15
  16 #include <linux/mtd/nand.h>
  17
  18 #define FSL_UPM_WAIT_RUN_PATTERN  0x1
  19 #define FSL_UPM_WAIT_WRITE_BYTE   0x2
  20 #define FSL_UPM_WAIT_WRITE_BUFFER 0x4
  21
  22 struct fsl_upm {
  23         void __iomem *mdr;
  24         void __iomem *mxmr;
  25         void __iomem *mar;
  26         void __iomem *io_addr;
  27 };
  28
  29 struct fsl_upm_nand {
  30         struct fsl_upm upm;
  31
  32         int width;
  33         int upm_cmd_offset;
  34         int upm_addr_offset;
  35         int upm_mar_chip_offset;
  36         int wait_flags;
  37         int (*dev_ready)(int chip_nr);
  38         int chip_delay;
  39         int chip_offset;
  40         int chip_nr;
  41
  42         /* no need to fill */
  43         int last_ctrl;
  44 };
  45
  46 extern int fsl_upm_nand_init(struct nand_chip *chip, struct fsl_upm_nand *fun);
  47
  48 #endif