1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * linux/include/linux/mtd/onenand_regs.h 4 * 5 * OneNAND Register header file 6 * 7 * Copyright (C) 2005-2007 Samsung Electronics 8 * Kyungmin Park <kyungmin.park@samsung.com> 9 */ 10 11 #ifndef __ONENAND_REG_H 12 #define __ONENAND_REG_H 13 14 /* Memory Address Map Translation (Word order) */ 15 #define ONENAND_MEMORY_MAP(x) ((x) << 1) 16 17 /* 18 * External BufferRAM area 19 */ 20 #define ONENAND_BOOTRAM ONENAND_MEMORY_MAP(0x0000) 21 #define ONENAND_DATARAM ONENAND_MEMORY_MAP(0x0200) 22 #define ONENAND_SPARERAM ONENAND_MEMORY_MAP(0x8010) 23 24 /* 25 * OneNAND Registers 26 */ 27 #define ONENAND_REG_MANUFACTURER_ID ONENAND_MEMORY_MAP(0xF000) 28 #define ONENAND_REG_DEVICE_ID ONENAND_MEMORY_MAP(0xF001) 29 #define ONENAND_REG_VERSION_ID ONENAND_MEMORY_MAP(0xF002) 30 #define ONENAND_REG_DATA_BUFFER_SIZE ONENAND_MEMORY_MAP(0xF003) 31 #define ONENAND_REG_BOOT_BUFFER_SIZE ONENAND_MEMORY_MAP(0xF004) 32 #define ONENAND_REG_NUM_BUFFERS ONENAND_MEMORY_MAP(0xF005) 33 #define ONENAND_REG_TECHNOLOGY ONENAND_MEMORY_MAP(0xF006) 34 35 #define ONENAND_REG_START_ADDRESS1 ONENAND_MEMORY_MAP(0xF100) 36 #define ONENAND_REG_START_ADDRESS2 ONENAND_MEMORY_MAP(0xF101) 37 #define ONENAND_REG_START_ADDRESS3 ONENAND_MEMORY_MAP(0xF102) 38 #define ONENAND_REG_START_ADDRESS4 ONENAND_MEMORY_MAP(0xF103) 39 #define ONENAND_REG_START_ADDRESS5 ONENAND_MEMORY_MAP(0xF104) 40 #define ONENAND_REG_START_ADDRESS6 ONENAND_MEMORY_MAP(0xF105) 41 #define ONENAND_REG_START_ADDRESS7 ONENAND_MEMORY_MAP(0xF106) 42 #define ONENAND_REG_START_ADDRESS8 ONENAND_MEMORY_MAP(0xF107) 43 44 #define ONENAND_REG_START_BUFFER ONENAND_MEMORY_MAP(0xF200) 45 #define ONENAND_REG_COMMAND ONENAND_MEMORY_MAP(0xF220) 46 #define ONENAND_REG_SYS_CFG1 ONENAND_MEMORY_MAP(0xF221) 47 #define ONENAND_REG_SYS_CFG2 ONENAND_MEMORY_MAP(0xF222) 48 #define ONENAND_REG_CTRL_STATUS ONENAND_MEMORY_MAP(0xF240) 49 #define ONENAND_REG_INTERRUPT ONENAND_MEMORY_MAP(0xF241) 50 #define ONENAND_REG_START_BLOCK_ADDRESS ONENAND_MEMORY_MAP(0xF24C) 51 #define ONENAND_REG_END_BLOCK_ADDRESS ONENAND_MEMORY_MAP(0xF24D) 52 #define ONENAND_REG_WP_STATUS ONENAND_MEMORY_MAP(0xF24E) 53 54 #define ONENAND_REG_ECC_STATUS ONENAND_MEMORY_MAP(0xFF00) 55 #define ONENAND_REG_ECC_M0 ONENAND_MEMORY_MAP(0xFF01) 56 #define ONENAND_REG_ECC_S0 ONENAND_MEMORY_MAP(0xFF02) 57 #define ONENAND_REG_ECC_M1 ONENAND_MEMORY_MAP(0xFF03) 58 #define ONENAND_REG_ECC_S1 ONENAND_MEMORY_MAP(0xFF04) 59 #define ONENAND_REG_ECC_M2 ONENAND_MEMORY_MAP(0xFF05) 60 #define ONENAND_REG_ECC_S2 ONENAND_MEMORY_MAP(0xFF06) 61 #define ONENAND_REG_ECC_M3 ONENAND_MEMORY_MAP(0xFF07) 62 #define ONENAND_REG_ECC_S3 ONENAND_MEMORY_MAP(0xFF08) 63 64 /* 65 * Device ID Register F001h (R) 66 */ 67 #define DEVICE_IS_FLEXONENAND (1 << 9) 68 #define FLEXONENAND_PI_MASK (0x3ff) 69 #define FLEXONENAND_PI_UNLOCK_SHIFT (14) 70 #define ONENAND_DEVICE_DENSITY_MASK (0xf) 71 #define ONENAND_DEVICE_DENSITY_SHIFT (4) 72 #define ONENAND_DEVICE_IS_DDP (1 << 3) 73 #define ONENAND_DEVICE_IS_DEMUX (1 << 2) 74 #define ONENAND_DEVICE_VCC_MASK (0x3) 75 76 #define ONENAND_DEVICE_DENSITY_512Mb (0x002) 77 #define ONENAND_DEVICE_DENSITY_1Gb (0x003) 78 #define ONENAND_DEVICE_DENSITY_2Gb (0x004) 79 #define ONENAND_DEVICE_DENSITY_4Gb (0x005) 80 81 /* 82 * Version ID Register F002h (R) 83 */ 84 #define ONENAND_VERSION_PROCESS_SHIFT (8) 85 86 /* 87 * Technology Register F006h (R) 88 */ 89 #define ONENAND_TECHNOLOGY_IS_MLC (1 << 0) 90 91 /* 92 * Start Address 1 F100h (R/W) & Start Address 2 F101h (R/W) 93 */ 94 #define ONENAND_DDP_SHIFT (15) 95 #define ONENAND_DDP_CHIP0 (0) 96 #define ONENAND_DDP_CHIP1 (1 << ONENAND_DDP_SHIFT) 97 98 /* 99 * Start Address 8 F107h (R/W) 100 */ 101 /* Note: It's actually 0x3f in case of SLC */ 102 #define ONENAND_FPA_MASK (0x7f) 103 #define ONENAND_FPA_SHIFT (2) 104 #define ONENAND_FSA_MASK (0x03) 105 106 /* 107 * Start Buffer Register F200h (R/W) 108 */ 109 #define ONENAND_BSA_MASK (0x03) 110 #define ONENAND_BSA_SHIFT (8) 111 #define ONENAND_BSA_BOOTRAM (0 << 2) 112 #define ONENAND_BSA_DATARAM0 (2 << 2) 113 #define ONENAND_BSA_DATARAM1 (3 << 2) 114 /* Note: It's actually 0x03 in case of SLC */ 115 #define ONENAND_BSC_MASK (0x07) 116 117 /* 118 * Command Register F220h (R/W) 119 */ 120 #define ONENAND_CMD_READ (0x00) 121 #define ONENAND_CMD_READOOB (0x13) 122 #define ONENAND_CMD_PROG (0x80) 123 #define ONENAND_CMD_PROGOOB (0x1A) 124 #define ONENAND_CMD_2X_PROG (0x7D) 125 #define ONENAND_CMD_2X_CACHE_PROG (0x7F) 126 #define ONENAND_CMD_UNLOCK (0x23) 127 #define ONENAND_CMD_LOCK (0x2A) 128 #define ONENAND_CMD_LOCK_TIGHT (0x2C) 129 #define ONENAND_CMD_UNLOCK_ALL (0x27) 130 #define ONENAND_CMD_ERASE (0x94) 131 #define ONENAND_CMD_MULTIBLOCK_ERASE (0x95) 132 #define ONENAND_CMD_ERASE_VERIFY (0x71) 133 #define ONENAND_CMD_RESET (0xF0) 134 #define ONENAND_CMD_OTP_ACCESS (0x65) 135 #define ONENAND_CMD_READID (0x90) 136 #define FLEXONENAND_CMD_PI_UPDATE (0x05) 137 #define FLEXONENAND_CMD_PI_ACCESS (0x66) 138 #define FLEXONENAND_CMD_RECOVER_LSB (0x05) 139 140 /* NOTE: Those are not *REAL* commands */ 141 #define ONENAND_CMD_BUFFERRAM (0x1978) 142 #define FLEXONENAND_CMD_READ_PI (0x1985) 143 144 /* 145 * System Configuration 1 Register F221h (R, R/W) 146 */ 147 #define ONENAND_SYS_CFG1_SYNC_READ (1 << 15) 148 #define ONENAND_SYS_CFG1_BRL_7 (7 << 12) 149 #define ONENAND_SYS_CFG1_BRL_6 (6 << 12) 150 #define ONENAND_SYS_CFG1_BRL_5 (5 << 12) 151 #define ONENAND_SYS_CFG1_BRL_4 (4 << 12) 152 #define ONENAND_SYS_CFG1_BRL_3 (3 << 12) 153 #define ONENAND_SYS_CFG1_BRL_10 (2 << 12) 154 #define ONENAND_SYS_CFG1_BRL_9 (1 << 12) 155 #define ONENAND_SYS_CFG1_BRL_8 (0 << 12) 156 #define ONENAND_SYS_CFG1_BRL_SHIFT (12) 157 #define ONENAND_SYS_CFG1_BL_32 (4 << 9) 158 #define ONENAND_SYS_CFG1_BL_16 (3 << 9) 159 #define ONENAND_SYS_CFG1_BL_8 (2 << 9) 160 #define ONENAND_SYS_CFG1_BL_4 (1 << 9) 161 #define ONENAND_SYS_CFG1_BL_CONT (0 << 9) 162 #define ONENAND_SYS_CFG1_BL_SHIFT (9) 163 #define ONENAND_SYS_CFG1_NO_ECC (1 << 8) 164 #define ONENAND_SYS_CFG1_RDY (1 << 7) 165 #define ONENAND_SYS_CFG1_INT (1 << 6) 166 #define ONENAND_SYS_CFG1_IOBE (1 << 5) 167 #define ONENAND_SYS_CFG1_RDY_CONF (1 << 4) 168 #define ONENAND_SYS_CFG1_VHF (1 << 3) 169 #define ONENAND_SYS_CFG1_HF (1 << 2) 170 #define ONENAND_SYS_CFG1_SYNC_WRITE (1 << 1) 171 172 /* 173 * Controller Status Register F240h (R) 174 */ 175 #define ONENAND_CTRL_ONGO (1 << 15) 176 #define ONENAND_CTRL_LOCK (1 << 14) 177 #define ONENAND_CTRL_LOAD (1 << 13) 178 #define ONENAND_CTRL_PROGRAM (1 << 12) 179 #define ONENAND_CTRL_ERASE (1 << 11) 180 #define ONENAND_CTRL_ERROR (1 << 10) 181 #define ONENAND_CTRL_RSTB (1 << 7) 182 #define ONENAND_CTRL_OTP_L (1 << 6) 183 #define ONENAND_CTRL_OTP_BL (1 << 5) 184 185 /* 186 * Interrupt Status Register F241h (R) 187 */ 188 #define ONENAND_INT_MASTER (1 << 15) 189 #define ONENAND_INT_READ (1 << 7) 190 #define ONENAND_INT_WRITE (1 << 6) 191 #define ONENAND_INT_ERASE (1 << 5) 192 #define ONENAND_INT_RESET (1 << 4) 193 #define ONENAND_INT_CLEAR (0 << 0) 194 195 /* 196 * NAND Flash Write Protection Status Register F24Eh (R) 197 */ 198 #define ONENAND_WP_US (1 << 2) 199 #define ONENAND_WP_LS (1 << 1) 200 #define ONENAND_WP_LTS (1 << 0) 201 202 /* 203 * ECC Status Reigser FF00h (R) 204 */ 205 #define ONENAND_ECC_1BIT (1 << 0) 206 #define ONENAND_ECC_1BIT_ALL (0x5555) 207 #define ONENAND_ECC_2BIT (1 << 1) 208 #define ONENAND_ECC_2BIT_ALL (0xAAAA) 209 #define FLEXONENAND_UNCORRECTABLE_ERROR (0x1010) 210 #define ONENAND_ECC_3BIT (1 << 2) 211 #define ONENAND_ECC_4BIT (1 << 3) 212 #define ONENAND_ECC_4BIT_UNCORRECTABLE (0x1010) 213 214 /* 215 * One-Time Programmable (OTP) 216 */ 217 #define FLEXONENAND_OTP_LOCK_OFFSET (2048) 218 #define ONENAND_OTP_LOCK_OFFSET (14) 219 220 #endif /* __ONENAND_REG_H */ 221