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