tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/include/linux/mtd/onenand_regs.h
3 *
4 * OneNAND Register header file
5 *
6 * Copyright (C) 2005-2007 Samsung Electronics
7 * Kyungmin Park <kyungmin.park@samsung.com>
8 *
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.
12 */
13
14#ifndef __ONENAND_REG_H
15#define __ONENAND_REG_H
16
17/* Memory Address Map Translation (Word order) */
18#define ONENAND_MEMORY_MAP(x) ((x) << 1)
19
20/*
21 * External BufferRAM area
22 */
23#define ONENAND_BOOTRAM ONENAND_MEMORY_MAP(0x0000)
24#define ONENAND_DATARAM ONENAND_MEMORY_MAP(0x0200)
25#define ONENAND_SPARERAM ONENAND_MEMORY_MAP(0x8010)
26
27/*
28 * OneNAND Registers
29 */
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)
37
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)
46
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)
56
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)
66
67/*
68 * Device ID Register F001h (R)
69 */
70#define ONENAND_DEVICE_DENSITY_SHIFT (4)
71#define ONENAND_DEVICE_IS_DDP (1 << 3)
72#define ONENAND_DEVICE_IS_DEMUX (1 << 2)
73#define ONENAND_DEVICE_VCC_MASK (0x3)
74
75#define ONENAND_DEVICE_DENSITY_512Mb (0x002)
76#define ONENAND_DEVICE_DENSITY_1Gb (0x003)
77
78/*
79 * Version ID Register F002h (R)
80 */
81#define ONENAND_VERSION_PROCESS_SHIFT (8)
82
83/*
84 * Start Address 1 F100h (R/W) & Start Address 2 F101h (R/W)
85 */
86#define ONENAND_DDP_SHIFT (15)
87#define ONENAND_DDP_CHIP0 (0)
88#define ONENAND_DDP_CHIP1 (1 << ONENAND_DDP_SHIFT)
89
90/*
91 * Start Address 8 F107h (R/W)
92 */
93#define ONENAND_FPA_MASK (0x3f)
94#define ONENAND_FPA_SHIFT (2)
95#define ONENAND_FSA_MASK (0x03)
96
97/*
98 * Start Buffer Register F200h (R/W)
99 */
100#define ONENAND_BSA_MASK (0x03)
101#define ONENAND_BSA_SHIFT (8)
102#define ONENAND_BSA_BOOTRAM (0 << 2)
103#define ONENAND_BSA_DATARAM0 (2 << 2)
104#define ONENAND_BSA_DATARAM1 (3 << 2)
105#define ONENAND_BSC_MASK (0x03)
106
107/*
108 * Command Register F220h (R/W)
109 */
110#define ONENAND_CMD_READ (0x00)
111#define ONENAND_CMD_READOOB (0x13)
112#define ONENAND_CMD_PROG (0x80)
113#define ONENAND_CMD_PROGOOB (0x1A)
114#define ONENAND_CMD_UNLOCK (0x23)
115#define ONENAND_CMD_LOCK (0x2A)
116#define ONENAND_CMD_LOCK_TIGHT (0x2C)
117#define ONENAND_CMD_UNLOCK_ALL (0x27)
118#define ONENAND_CMD_ERASE (0x94)
119#define ONENAND_CMD_RESET (0xF0)
120#define ONENAND_CMD_OTP_ACCESS (0x65)
121#define ONENAND_CMD_READID (0x90)
122
123/* NOTE: Those are not *REAL* commands */
124#define ONENAND_CMD_BUFFERRAM (0x1978)
125
126/*
127 * System Configuration 1 Register F221h (R, R/W)
128 */
129#define ONENAND_SYS_CFG1_SYNC_READ (1 << 15)
130#define ONENAND_SYS_CFG1_BRL_7 (7 << 12)
131#define ONENAND_SYS_CFG1_BRL_6 (6 << 12)
132#define ONENAND_SYS_CFG1_BRL_5 (5 << 12)
133#define ONENAND_SYS_CFG1_BRL_4 (4 << 12)
134#define ONENAND_SYS_CFG1_BRL_3 (3 << 12)
135#define ONENAND_SYS_CFG1_BRL_10 (2 << 12)
136#define ONENAND_SYS_CFG1_BRL_9 (1 << 12)
137#define ONENAND_SYS_CFG1_BRL_8 (0 << 12)
138#define ONENAND_SYS_CFG1_BRL_SHIFT (12)
139#define ONENAND_SYS_CFG1_BL_32 (4 << 9)
140#define ONENAND_SYS_CFG1_BL_16 (3 << 9)
141#define ONENAND_SYS_CFG1_BL_8 (2 << 9)
142#define ONENAND_SYS_CFG1_BL_4 (1 << 9)
143#define ONENAND_SYS_CFG1_BL_CONT (0 << 9)
144#define ONENAND_SYS_CFG1_BL_SHIFT (9)
145#define ONENAND_SYS_CFG1_NO_ECC (1 << 8)
146#define ONENAND_SYS_CFG1_RDY (1 << 7)
147#define ONENAND_SYS_CFG1_INT (1 << 6)
148#define ONENAND_SYS_CFG1_IOBE (1 << 5)
149#define ONENAND_SYS_CFG1_RDY_CONF (1 << 4)
150
151/*
152 * Controller Status Register F240h (R)
153 */
154#define ONENAND_CTRL_ONGO (1 << 15)
155#define ONENAND_CTRL_LOCK (1 << 14)
156#define ONENAND_CTRL_LOAD (1 << 13)
157#define ONENAND_CTRL_PROGRAM (1 << 12)
158#define ONENAND_CTRL_ERASE (1 << 11)
159#define ONENAND_CTRL_ERROR (1 << 10)
160#define ONENAND_CTRL_RSTB (1 << 7)
161#define ONENAND_CTRL_OTP_L (1 << 6)
162#define ONENAND_CTRL_OTP_BL (1 << 5)
163
164/*
165 * Interrupt Status Register F241h (R)
166 */
167#define ONENAND_INT_MASTER (1 << 15)
168#define ONENAND_INT_READ (1 << 7)
169#define ONENAND_INT_WRITE (1 << 6)
170#define ONENAND_INT_ERASE (1 << 5)
171#define ONENAND_INT_RESET (1 << 4)
172#define ONENAND_INT_CLEAR (0 << 0)
173
174/*
175 * NAND Flash Write Protection Status Register F24Eh (R)
176 */
177#define ONENAND_WP_US (1 << 2)
178#define ONENAND_WP_LS (1 << 1)
179#define ONENAND_WP_LTS (1 << 0)
180
181/*
182 * ECC Status Reigser FF00h (R)
183 */
184#define ONENAND_ECC_1BIT (1 << 0)
185#define ONENAND_ECC_1BIT_ALL (0x5555)
186#define ONENAND_ECC_2BIT (1 << 1)
187#define ONENAND_ECC_2BIT_ALL (0xAAAA)
188
189/*
190 * One-Time Programmable (OTP)
191 */
192#define ONENAND_OTP_LOCK_OFFSET (14)
193
194#endif /* __ONENAND_REG_H */