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 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_7 (7 << 12)
125#define ONENAND_SYS_CFG1_BRL_6 (6 << 12)
126#define ONENAND_SYS_CFG1_BRL_5 (5 << 12)
127#define ONENAND_SYS_CFG1_BRL_4 (4 << 12)
128#define ONENAND_SYS_CFG1_BRL_3 (3 << 12)
129#define ONENAND_SYS_CFG1_BRL_10 (2 << 12)
130#define ONENAND_SYS_CFG1_BRL_9 (1 << 12)
131#define ONENAND_SYS_CFG1_BRL_8 (0 << 12)
132#define ONENAND_SYS_CFG1_BRL_SHIFT (12)
133#define ONENAND_SYS_CFG1_BL_32 (4 << 9)
134#define ONENAND_SYS_CFG1_BL_16 (3 << 9)
135#define ONENAND_SYS_CFG1_BL_8 (2 << 9)
136#define ONENAND_SYS_CFG1_BL_4 (1 << 9)
137#define ONENAND_SYS_CFG1_BL_CONT (0 << 9)
138#define ONENAND_SYS_CFG1_BL_SHIFT (9)
139#define ONENAND_SYS_CFG1_NO_ECC (1 << 8)
140#define ONENAND_SYS_CFG1_RDY (1 << 7)
141#define ONENAND_SYS_CFG1_INT (1 << 6)
142#define ONENAND_SYS_CFG1_IOBE (1 << 5)
143#define ONENAND_SYS_CFG1_RDY_CONF (1 << 4)
144
145/*
146 * Controller Status Register F240h (R)
147 */
148#define ONENAND_CTRL_ONGO (1 << 15)
149#define ONENAND_CTRL_LOCK (1 << 14)
150#define ONENAND_CTRL_LOAD (1 << 13)
151#define ONENAND_CTRL_PROGRAM (1 << 12)
152#define ONENAND_CTRL_ERASE (1 << 11)
153#define ONENAND_CTRL_ERROR (1 << 10)
154#define ONENAND_CTRL_RSTB (1 << 7)
155
156/*
157 * Interrupt Status Register F241h (R)
158 */
159#define ONENAND_INT_MASTER (1 << 15)
160#define ONENAND_INT_READ (1 << 7)
161#define ONENAND_INT_WRITE (1 << 6)
162#define ONENAND_INT_ERASE (1 << 5)
163#define ONENAND_INT_RESET (1 << 4)
164#define ONENAND_INT_CLEAR (0 << 0)
165
166/*
167 * NAND Flash Write Protection Status Register F24Eh (R)
168 */
169#define ONENAND_WP_US (1 << 2)
170#define ONENAND_WP_LS (1 << 1)
171#define ONENAND_WP_LTS (1 << 0)
172
173/*
174 * ECC Status Reigser FF00h (R)
175 */
176#define ONENAND_ECC_1BIT (1 << 0)
177#define ONENAND_ECC_2BIT (1 << 1)
178#define ONENAND_ECC_2BIT_ALL (0xAAAA)
179
180#endif /* __ONENAND_REG_H */