kernel/drivers/staging/goldfish/goldfish_nand_reg.h

   1 /*
   2  * drivers/mtd/devices/goldfish_nand_reg.h
   3  *
   4  * Copyright (C) 2007 Google, Inc.
   5  *
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   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  */
  16
  17 #ifndef GOLDFISH_NAND_REG_H
  18 #define GOLDFISH_NAND_REG_H
  19
  20 enum nand_cmd {
  21         /* Write device name for NAND_DEV to NAND_DATA (vaddr) */
  22         NAND_CMD_GET_DEV_NAME,
  23         NAND_CMD_READ,
  24         NAND_CMD_WRITE,
  25         NAND_CMD_ERASE,
  26         /* NAND_RESULT is 1 if block is bad, 0 if it is not */
  27         NAND_CMD_BLOCK_BAD_GET,
  28         NAND_CMD_BLOCK_BAD_SET,
  29         NAND_CMD_READ_WITH_PARAMS,
  30         NAND_CMD_WRITE_WITH_PARAMS,
  31         NAND_CMD_ERASE_WITH_PARAMS
  32 };
  33
  34 enum nand_dev_flags {
  35         NAND_DEV_FLAG_READ_ONLY = 0x00000001,
  36         NAND_DEV_FLAG_CMD_PARAMS_CAP = 0x00000002,
  37 };
  38
  39 #define NAND_VERSION_CURRENT (1)
  40
  41 enum nand_reg {
  42         /* Global */
  43         NAND_VERSION        = 0x000,
  44         NAND_NUM_DEV        = 0x004,
  45         NAND_DEV            = 0x008,
  46
  47         /* Dev info */
  48         NAND_DEV_FLAGS      = 0x010,
  49         NAND_DEV_NAME_LEN   = 0x014,
  50         NAND_DEV_PAGE_SIZE  = 0x018,
  51         NAND_DEV_EXTRA_SIZE = 0x01c,
  52         NAND_DEV_ERASE_SIZE = 0x020,
  53         NAND_DEV_SIZE_LOW   = 0x028,
  54         NAND_DEV_SIZE_HIGH  = 0x02c,
  55
  56         /* Command */
  57         NAND_RESULT         = 0x040,
  58         NAND_COMMAND        = 0x044,
  59         NAND_DATA           = 0x048,
  60         NAND_DATA_HIGH      = 0x100,
  61         NAND_TRANSFER_SIZE  = 0x04c,
  62         NAND_ADDR_LOW       = 0x050,
  63         NAND_ADDR_HIGH      = 0x054,
  64         NAND_CMD_PARAMS_ADDR_LOW = 0x058,
  65         NAND_CMD_PARAMS_ADDR_HIGH = 0x05c,
  66 };
  67
  68 struct cmd_params {
  69         uint32_t dev;
  70         uint32_t addr_low;
  71         uint32_t addr_high;
  72         uint32_t transfer_size;
  73         unsigned long data;
  74         uint32_t result;
  75 };
  76 #endif