drivers/onenand_regs.h

   1 /*
   2  *  linux/include/linux/mtd/onenand_regs.h
   3  *
   4  *  OneNAND Register header file
   5  *
   6  *  Copyright (C) 2005 Samsung Electronics
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #ifndef __ONENAND_REG_H
  14 #define __ONENAND_REG_H
  15
  16 /* Memory Address Map Translation (Word order) */
  17 #define ONENAND_MEMORY_MAP(x)           ((x) << 1)
  18
  19 /*
  20  * External BufferRAM area
  21  */
  22 #define ONENAND_BOOTRAM                 ONENAND_MEMORY_MAP(0x0000)
  23 #define ONENAND_DATARAM                 ONENAND_MEMORY_MAP(0x0200)
  24 #define ONENAND_SPARERAM                ONENAND_MEMORY_MAP(0x8010)
  25
  26 /*
  27  * OneNAND Registers
  28  */
  29 #define ONENAND_REG_MANUFACTURER_ID     ONENAND_MEMORY_MAP(0xF000)
  30 #define ONENAND_REG_DEVICE_ID           ONENAND_MEMORY_MAP(0xF001)
  31 #define ONENAND_REG_VERSION_ID          ONENAND_MEMORY_MAP(0xF002)
  32 #define ONENAND_REG_DATA_BUFFER_SIZE    ONENAND_MEMORY_MAP(0xF003)
  33 #define ONENAND_REG_BOOT_BUFFER_SIZE    ONENAND_MEMORY_MAP(0xF004)
  34 #define ONENAND_REG_NUM_BUFFERS         ONENAND_MEMORY_MAP(0xF005)
  35 #define ONENAND_REG_TECHNOLOGY          ONENAND_MEMORY_MAP(0xF006)
  36
  37 #define ONENAND_REG_START_ADDRESS1      ONENAND_MEMORY_MAP(0xF100)
  38 #define ONENAND_REG_START_ADDRESS2      ONENAND_MEMORY_MAP(0xF101)
  39 #define ONENAND_REG_START_ADDRESS3      ONENAND_MEMORY_MAP(0xF102)
  40 #define ONENAND_REG_START_ADDRESS4      ONENAND_MEMORY_MAP(0xF103)
  41 #define ONENAND_REG_START_ADDRESS5      ONENAND_MEMORY_MAP(0xF104)
  42 #define ONENAND_REG_START_ADDRESS6      ONENAND_MEMORY_MAP(0xF105)
  43 #define ONENAND_REG_START_ADDRESS7      ONENAND_MEMORY_MAP(0xF106)
  44 #define ONENAND_REG_START_ADDRESS8      ONENAND_MEMORY_MAP(0xF107)
  45
  46 #define ONENAND_REG_START_BUFFER        ONENAND_MEMORY_MAP(0xF200)
  47 #define ONENAND_REG_COMMAND             ONENAND_MEMORY_MAP(0xF220)
  48 #define ONENAND_REG_SYS_CFG1            ONENAND_MEMORY_MAP(0xF221)
  49 #define ONENAND_REG_SYS_CFG2            ONENAND_MEMORY_MAP(0xF222)
  50 #define ONENAND_REG_CTRL_STATUS         ONENAND_MEMORY_MAP(0xF240)
  51 #define ONENAND_REG_INTERRUPT           ONENAND_MEMORY_MAP(0xF241)
  52 #define ONENAND_REG_START_BLOCK_ADDRESS ONENAND_MEMORY_MAP(0xF24C)
  53 #define ONENAND_REG_END_BLOCK_ADDRESS   ONENAND_MEMORY_MAP(0xF24D)
  54 #define ONENAND_REG_WP_STATUS           ONENAND_MEMORY_MAP(0xF24E)
  55
  56 #define ONENAND_REG_ECC_STATUS          ONENAND_MEMORY_MAP(0xFF00)
  57 #define ONENAND_REG_ECC_M0              ONENAND_MEMORY_MAP(0xFF01)
  58 #define ONENAND_REG_ECC_S0              ONENAND_MEMORY_MAP(0xFF02)
  59 #define ONENAND_REG_ECC_M1              ONENAND_MEMORY_MAP(0xFF03)
  60 #define ONENAND_REG_ECC_S1              ONENAND_MEMORY_MAP(0xFF04)
  61 #define ONENAND_REG_ECC_M2              ONENAND_MEMORY_MAP(0xFF05)
  62 #define ONENAND_REG_ECC_S2              ONENAND_MEMORY_MAP(0xFF06)
  63 #define ONENAND_REG_ECC_M3              ONENAND_MEMORY_MAP(0xFF07)
  64 #define ONENAND_REG_ECC_S3              ONENAND_MEMORY_MAP(0xFF08)
  65
  66 /*
  67  * Device ID Register F001h (R)
  68  */
  69 #define ONENAND_DEVICE_DENSITY_SHIFT    (4)
  70 #define ONENAND_DEVICE_IS_DDP           (1 << 3)
  71 #define ONENAND_DEVICE_IS_DEMUX         (1 << 2)
  72 #define ONENAND_DEVICE_VCC_MASK         (0x3)
  73
  74 #define ONENAND_DEVICE_DENSITY_512Mb    (0x002)
  75
  76 /*
  77  * Version ID Register F002h (R)
  78  */
  79 #define ONENAND_VERSION_PROCESS_SHIFT   (8)
  80
  81 /*
  82  * Start Address 1 F100h (R/W)
  83  */
  84 #define ONENAND_DDP_SHIFT               (15)
  85
  86 /*
  87  * Start Address 8 F107h (R/W)
  88  */
  89 #define ONENAND_FPA_MASK                (0x3f)
  90 #define ONENAND_FPA_SHIFT               (2)
  91 #define ONENAND_FSA_MASK                (0x03)
  92
  93 /*
  94  * Start Buffer Register F200h (R/W)
  95  */
  96 #define ONENAND_BSA_MASK                (0x03)
  97 #define ONENAND_BSA_SHIFT               (8)
  98 #define ONENAND_BSA_BOOTRAM             (0 << 2)
  99 #define ONENAND_BSA_DATARAM0            (2 << 2)
 100 #define ONENAND_BSA_DATARAM1            (3 << 2)
 101 #define ONENAND_BSC_MASK                (0x03)
 102
 103 /*
 104  * Command Register F220h (R/W)
 105  */
 106 #define ONENAND_CMD_READ                (0x00)
 107 #define ONENAND_CMD_READOOB             (0x13)
 108 #define ONENAND_CMD_PROG                (0x80)
 109 #define ONENAND_CMD_PROGOOB             (0x1A)
 110 #define ONENAND_CMD_UNLOCK              (0x23)
 111 #define ONENAND_CMD_LOCK                (0x2A)
 112 #define ONENAND_CMD_LOCK_TIGHT          (0x2C)
 113 #define ONENAND_CMD_ERASE               (0x94)
 114 #define ONENAND_CMD_RESET               (0xF0)
 115 #define ONENAND_CMD_READID              (0x90)
 116
 117 /* NOTE: Those are not *REAL* commands */
 118 #define ONENAND_CMD_BUFFERRAM           (0x1978)
 119
 120 /*
 121  * System Configuration 1 Register F221h (R, R/W)
 122  */
 123 #define ONENAND_SYS_CFG1_SYNC_READ      (1 << 15)
 124 #define ONENAND_SYS_CFG1_BRL            (12)
 125 #define ONENAND_SYS_CFG1_BL             (9)
 126 #define ONENAND_SYS_CFG1_NO_ECC         (1 << 8)
 127 #define ONENAND_SYS_CFG1_RDY            (1 << 7)
 128 #define ONENAND_SYS_CFG1_INT            (1 << 6)
 129 #define ONENAND_SYS_CFG1_IOBE           (1 << 5)
 130 #define ONENAND_SYS_CFG1_RDY_CONF       (1 << 4)
 131
 132 /*
 133  * Controller Status Register F240h (R)
 134  */
 135 #define ONENAND_CTRL_ONGO               (1 << 15)
 136 #define ONENAND_CTRL_LOCK               (1 << 14)
 137 #define ONENAND_CTRL_LOAD               (1 << 13)
 138 #define ONENAND_CTRL_PROGRAM            (1 << 12)
 139 #define ONENAND_CTRL_ERASE              (1 << 11)
 140 #define ONENAND_CTRL_ERROR              (1 << 10)
 141 #define ONENAND_CTRL_RSTB               (1 << 7)
 142
 143 /*
 144  * Interrupt Status Register F241h (R)
 145  */
 146 #define ONENAND_INT_MASTER              (1 << 15)
 147 #define ONENAND_INT_READ                (1 << 7)
 148 #define ONENAND_INT_WRITE               (1 << 6)
 149 #define ONENAND_INT_ERASE               (1 << 5)
 150 #define ONENAND_INT_RESET               (1 << 4)
 151 #define ONENAND_INT_CLEAR               (0 << 0)
 152
 153 /*
 154  * NAND Flash Write Protection Status Register F24Eh (R)
 155  */
 156 #define ONENAND_WP_US                   (1 << 2)
 157 #define ONENAND_WP_LS                   (1 << 1)
 158 #define ONENAND_WP_LTS                  (1 << 0)
 159
 160 /*
 161  * ECC Status Reigser FF00h (R)
 162  */
 163 #define ONENAND_ECC_1BIT                (1 << 0)
 164 #define ONENAND_ECC_2BIT                (1 << 1)
 165 #define ONENAND_ECC_2BIT_ALL            (0xAAAA)
 166
 167 #endif  /* __ONENAND_REG_H */