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  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef __LINUX_MTD_NAND_FSL_UPM
  11 #define __LINUX_MTD_NAND_FSL_UPM
  12
  13 #include <linux/mtd/nand.h>
  14
  15 #define FSL_UPM_WAIT_RUN_PATTERN  0x1
  16 #define FSL_UPM_WAIT_WRITE_BYTE   0x2
  17 #define FSL_UPM_WAIT_WRITE_BUFFER 0x4
  18
  19 struct fsl_upm {
  20         void __iomem *mdr;
  21         void __iomem *mxmr;
  22         void __iomem *mar;
  23         void __iomem *io_addr;
  24 };
  25
  26 struct fsl_upm_nand {
  27         struct fsl_upm upm;
  28
  29         int width;
  30         int upm_cmd_offset;
  31         int upm_addr_offset;
  32         int upm_mar_chip_offset;
  33         int wait_flags;
  34         int (*dev_ready)(int chip_nr);
  35         int chip_delay;
  36         int chip_offset;
  37         int chip_nr;
  38
  39         /* no need to fill */
  40         int last_ctrl;
  41 };
  42
  43 extern int fsl_upm_nand_init(struct nand_chip *chip, struct fsl_upm_nand *fun);
  44
  45 #endif