drivers/mtd/nand/gpmi-nand/gpmi-regs.h

   1 /*
   2  * Freescale GPMI NAND Flash Driver
   3  *
   4  * Copyright 2008-2011 Freescale Semiconductor, Inc.
   5  * Copyright 2008 Embedded Alley Solutions, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21 #ifndef __GPMI_NAND_GPMI_REGS_H
  22 #define __GPMI_NAND_GPMI_REGS_H
  23
  24 #define HW_GPMI_CTRL0                                   0x00000000
  25 #define HW_GPMI_CTRL0_SET                               0x00000004
  26 #define HW_GPMI_CTRL0_CLR                               0x00000008
  27 #define HW_GPMI_CTRL0_TOG                               0x0000000c
  28
  29 #define BP_GPMI_CTRL0_COMMAND_MODE                      24
  30 #define BM_GPMI_CTRL0_COMMAND_MODE      (3 << BP_GPMI_CTRL0_COMMAND_MODE)
  31 #define BF_GPMI_CTRL0_COMMAND_MODE(v)   \
  32         (((v) << BP_GPMI_CTRL0_COMMAND_MODE) & BM_GPMI_CTRL0_COMMAND_MODE)
  33 #define BV_GPMI_CTRL0_COMMAND_MODE__WRITE               0x0
  34 #define BV_GPMI_CTRL0_COMMAND_MODE__READ                0x1
  35 #define BV_GPMI_CTRL0_COMMAND_MODE__READ_AND_COMPARE    0x2
  36 #define BV_GPMI_CTRL0_COMMAND_MODE__WAIT_FOR_READY      0x3
  37
  38 #define BM_GPMI_CTRL0_WORD_LENGTH                       (1 << 23)
  39 #define BV_GPMI_CTRL0_WORD_LENGTH__16_BIT               0x0
  40 #define BV_GPMI_CTRL0_WORD_LENGTH__8_BIT                0x1
  41
  42 /*
  43  *  Difference in LOCK_CS between imx23 and imx28 :
  44  *  This bit may impact the _POWER_ consumption. So some chips
  45  *  do not set it.
  46  */
  47 #define MX23_BP_GPMI_CTRL0_LOCK_CS                      22
  48 #define MX28_BP_GPMI_CTRL0_LOCK_CS                      27
  49 #define LOCK_CS_ENABLE                                  0x1
  50 #define BF_GPMI_CTRL0_LOCK_CS(v, x)                     0x0
  51
  52 /* Difference in CS between imx23 and imx28 */
  53 #define BP_GPMI_CTRL0_CS                                20
  54 #define MX23_BM_GPMI_CTRL0_CS           (3 << BP_GPMI_CTRL0_CS)
  55 #define MX28_BM_GPMI_CTRL0_CS           (7 << BP_GPMI_CTRL0_CS)
  56 #define BF_GPMI_CTRL0_CS(v, x)          (((v) << BP_GPMI_CTRL0_CS) & \
  57                                                 (GPMI_IS_MX23((x)) \
  58                                                 ? MX23_BM_GPMI_CTRL0_CS \
  59                                                 : MX28_BM_GPMI_CTRL0_CS))
  60
  61 #define BP_GPMI_CTRL0_ADDRESS                           17
  62 #define BM_GPMI_CTRL0_ADDRESS           (3 << BP_GPMI_CTRL0_ADDRESS)
  63 #define BF_GPMI_CTRL0_ADDRESS(v)        \
  64                 (((v) << BP_GPMI_CTRL0_ADDRESS) & BM_GPMI_CTRL0_ADDRESS)
  65 #define BV_GPMI_CTRL0_ADDRESS__NAND_DATA                0x0
  66 #define BV_GPMI_CTRL0_ADDRESS__NAND_CLE                 0x1
  67 #define BV_GPMI_CTRL0_ADDRESS__NAND_ALE                 0x2
  68
  69 #define BM_GPMI_CTRL0_ADDRESS_INCREMENT                 (1 << 16)
  70 #define BV_GPMI_CTRL0_ADDRESS_INCREMENT__DISABLED       0x0
  71 #define BV_GPMI_CTRL0_ADDRESS_INCREMENT__ENABLED        0x1
  72
  73 #define BP_GPMI_CTRL0_XFER_COUNT                        0
  74 #define BM_GPMI_CTRL0_XFER_COUNT        (0xffff << BP_GPMI_CTRL0_XFER_COUNT)
  75 #define BF_GPMI_CTRL0_XFER_COUNT(v)     \
  76                 (((v) << BP_GPMI_CTRL0_XFER_COUNT) & BM_GPMI_CTRL0_XFER_COUNT)
  77
  78 #define HW_GPMI_COMPARE                                 0x00000010
  79
  80 #define HW_GPMI_ECCCTRL                                 0x00000020
  81 #define HW_GPMI_ECCCTRL_SET                             0x00000024
  82 #define HW_GPMI_ECCCTRL_CLR                             0x00000028
  83 #define HW_GPMI_ECCCTRL_TOG                             0x0000002c
  84
  85 #define BP_GPMI_ECCCTRL_ECC_CMD                         13
  86 #define BM_GPMI_ECCCTRL_ECC_CMD         (3 << BP_GPMI_ECCCTRL_ECC_CMD)
  87 #define BF_GPMI_ECCCTRL_ECC_CMD(v)      \
  88                 (((v) << BP_GPMI_ECCCTRL_ECC_CMD) & BM_GPMI_ECCCTRL_ECC_CMD)
  89 #define BV_GPMI_ECCCTRL_ECC_CMD__BCH_DECODE             0x0
  90 #define BV_GPMI_ECCCTRL_ECC_CMD__BCH_ENCODE             0x1
  91
  92 #define BM_GPMI_ECCCTRL_ENABLE_ECC                      (1 << 12)
  93 #define BV_GPMI_ECCCTRL_ENABLE_ECC__ENABLE              0x1
  94 #define BV_GPMI_ECCCTRL_ENABLE_ECC__DISABLE             0x0
  95
  96 #define BP_GPMI_ECCCTRL_BUFFER_MASK                     0
  97 #define BM_GPMI_ECCCTRL_BUFFER_MASK     (0x1ff << BP_GPMI_ECCCTRL_BUFFER_MASK)
  98 #define BF_GPMI_ECCCTRL_BUFFER_MASK(v)  \
  99         (((v) << BP_GPMI_ECCCTRL_BUFFER_MASK) & BM_GPMI_ECCCTRL_BUFFER_MASK)
 100 #define BV_GPMI_ECCCTRL_BUFFER_MASK__BCH_AUXONLY        0x100
 101 #define BV_GPMI_ECCCTRL_BUFFER_MASK__BCH_PAGE           0x1FF
 102
 103 #define HW_GPMI_ECCCOUNT                                0x00000030
 104 #define HW_GPMI_PAYLOAD                                 0x00000040
 105 #define HW_GPMI_AUXILIARY                               0x00000050
 106 #define HW_GPMI_CTRL1                                   0x00000060
 107 #define HW_GPMI_CTRL1_SET                               0x00000064
 108 #define HW_GPMI_CTRL1_CLR                               0x00000068
 109 #define HW_GPMI_CTRL1_TOG                               0x0000006c
 110
 111 #define BM_GPMI_CTRL1_BCH_MODE                          (1 << 18)
 112
 113 #define BP_GPMI_CTRL1_DLL_ENABLE                        17
 114 #define BM_GPMI_CTRL1_DLL_ENABLE        (1 << BP_GPMI_CTRL1_DLL_ENABLE)
 115
 116 #define BP_GPMI_CTRL1_HALF_PERIOD                       16
 117 #define BM_GPMI_CTRL1_HALF_PERIOD       (1 << BP_GPMI_CTRL1_HALF_PERIOD)
 118
 119 #define BP_GPMI_CTRL1_RDN_DELAY                         12
 120 #define BM_GPMI_CTRL1_RDN_DELAY         (0xf << BP_GPMI_CTRL1_RDN_DELAY)
 121 #define BF_GPMI_CTRL1_RDN_DELAY(v)      \
 122                 (((v) << BP_GPMI_CTRL1_RDN_DELAY) & BM_GPMI_CTRL1_RDN_DELAY)
 123
 124 #define BM_GPMI_CTRL1_DEV_RESET                         (1 << 3)
 125 #define BV_GPMI_CTRL1_DEV_RESET__ENABLED                0x0
 126 #define BV_GPMI_CTRL1_DEV_RESET__DISABLED               0x1
 127
 128 #define BM_GPMI_CTRL1_ATA_IRQRDY_POLARITY               (1 << 2)
 129 #define BV_GPMI_CTRL1_ATA_IRQRDY_POLARITY__ACTIVELOW    0x0
 130 #define BV_GPMI_CTRL1_ATA_IRQRDY_POLARITY__ACTIVEHIGH   0x1
 131
 132 #define BM_GPMI_CTRL1_CAMERA_MODE                       (1 << 1)
 133 #define BV_GPMI_CTRL1_GPMI_MODE__NAND                   0x0
 134 #define BV_GPMI_CTRL1_GPMI_MODE__ATA                    0x1
 135
 136 #define BM_GPMI_CTRL1_GPMI_MODE                         (1 << 0)
 137
 138 #define HW_GPMI_TIMING0                                 0x00000070
 139
 140 #define BP_GPMI_TIMING0_ADDRESS_SETUP                   16
 141 #define BM_GPMI_TIMING0_ADDRESS_SETUP   (0xff << BP_GPMI_TIMING0_ADDRESS_SETUP)
 142 #define BF_GPMI_TIMING0_ADDRESS_SETUP(v)        \
 143         (((v) << BP_GPMI_TIMING0_ADDRESS_SETUP) & BM_GPMI_TIMING0_ADDRESS_SETUP)
 144
 145 #define BP_GPMI_TIMING0_DATA_HOLD                       8
 146 #define BM_GPMI_TIMING0_DATA_HOLD       (0xff << BP_GPMI_TIMING0_DATA_HOLD)
 147 #define BF_GPMI_TIMING0_DATA_HOLD(v)            \
 148         (((v) << BP_GPMI_TIMING0_DATA_HOLD) & BM_GPMI_TIMING0_DATA_HOLD)
 149
 150 #define BP_GPMI_TIMING0_DATA_SETUP                      0
 151 #define BM_GPMI_TIMING0_DATA_SETUP      (0xff << BP_GPMI_TIMING0_DATA_SETUP)
 152 #define BF_GPMI_TIMING0_DATA_SETUP(v)           \
 153         (((v) << BP_GPMI_TIMING0_DATA_SETUP) & BM_GPMI_TIMING0_DATA_SETUP)
 154
 155 #define HW_GPMI_TIMING1                                 0x00000080
 156 #define BP_GPMI_TIMING1_BUSY_TIMEOUT                    16
 157
 158 #define HW_GPMI_TIMING2                                 0x00000090
 159 #define HW_GPMI_DATA                                    0x000000a0
 160
 161 /* MX28 uses this to detect READY. */
 162 #define HW_GPMI_STAT                                    0x000000b0
 163 #define MX28_BP_GPMI_STAT_READY_BUSY                    24
 164 #define MX28_BM_GPMI_STAT_READY_BUSY    (0xff << MX28_BP_GPMI_STAT_READY_BUSY)
 165 #define MX28_BF_GPMI_STAT_READY_BUSY(v)         \
 166         (((v) << MX28_BP_GPMI_STAT_READY_BUSY) & MX28_BM_GPMI_STAT_READY_BUSY)
 167
 168 /* MX23 uses this to detect READY. */
 169 #define HW_GPMI_DEBUG                                   0x000000c0
 170 #define MX23_BP_GPMI_DEBUG_READY0                       28
 171 #define MX23_BM_GPMI_DEBUG_READY0       (1 << MX23_BP_GPMI_DEBUG_READY0)
 172 #endif