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1 | 3e3d5815 | balrog | /*
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2 | 3e3d5815 | balrog | * Flash NAND memory emulation. Based on "16M x 8 Bit NAND Flash
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3 | 3e3d5815 | balrog | * Memory" datasheet for the KM29U128AT / K9F2808U0A chips from
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4 | 3e3d5815 | balrog | * Samsung Electronic.
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5 | 3e3d5815 | balrog | *
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6 | 3e3d5815 | balrog | * Copyright (c) 2006 Openedhand Ltd.
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7 | 3e3d5815 | balrog | * Written by Andrzej Zaborowski <balrog@zabor.org>
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8 | 3e3d5815 | balrog | *
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9 | d5f2fd58 | Juha Riihimäki | * Support for additional features based on "MT29F2G16ABCWP 2Gx16"
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10 | d5f2fd58 | Juha Riihimäki | * datasheet from Micron Technology and "NAND02G-B2C" datasheet
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11 | d5f2fd58 | Juha Riihimäki | * from ST Microelectronics.
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12 | d5f2fd58 | Juha Riihimäki | *
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13 | 3e3d5815 | balrog | * This code is licensed under the GNU GPL v2.
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14 | 6b620ca3 | Paolo Bonzini | *
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15 | 6b620ca3 | Paolo Bonzini | * Contributions after 2012-01-13 are licensed under the terms of the
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16 | 6b620ca3 | Paolo Bonzini | * GNU GPL, version 2 or (at your option) any later version.
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17 | 3e3d5815 | balrog | */
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18 | 3e3d5815 | balrog | |
19 | 3e3d5815 | balrog | #ifndef NAND_IO
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20 | 3e3d5815 | balrog | |
21 | 83c9f4ca | Paolo Bonzini | # include "hw/hw.h" |
22 | 83c9f4ca | Paolo Bonzini | # include "hw/flash.h" |
23 | 9c17d615 | Paolo Bonzini | # include "sysemu/blockdev.h" |
24 | 83c9f4ca | Paolo Bonzini | # include "hw/sysbus.h" |
25 | 1de7afc9 | Paolo Bonzini | #include "qemu/error-report.h" |
26 | 3e3d5815 | balrog | |
27 | 3e3d5815 | balrog | # define NAND_CMD_READ0 0x00 |
28 | 3e3d5815 | balrog | # define NAND_CMD_READ1 0x01 |
29 | 3e3d5815 | balrog | # define NAND_CMD_READ2 0x50 |
30 | 3e3d5815 | balrog | # define NAND_CMD_LPREAD2 0x30 |
31 | 3e3d5815 | balrog | # define NAND_CMD_NOSERIALREAD2 0x35 |
32 | 3e3d5815 | balrog | # define NAND_CMD_RANDOMREAD1 0x05 |
33 | 3e3d5815 | balrog | # define NAND_CMD_RANDOMREAD2 0xe0 |
34 | 3e3d5815 | balrog | # define NAND_CMD_READID 0x90 |
35 | 3e3d5815 | balrog | # define NAND_CMD_RESET 0xff |
36 | 3e3d5815 | balrog | # define NAND_CMD_PAGEPROGRAM1 0x80 |
37 | 3e3d5815 | balrog | # define NAND_CMD_PAGEPROGRAM2 0x10 |
38 | 3e3d5815 | balrog | # define NAND_CMD_CACHEPROGRAM2 0x15 |
39 | 3e3d5815 | balrog | # define NAND_CMD_BLOCKERASE1 0x60 |
40 | 3e3d5815 | balrog | # define NAND_CMD_BLOCKERASE2 0xd0 |
41 | 3e3d5815 | balrog | # define NAND_CMD_READSTATUS 0x70 |
42 | 3e3d5815 | balrog | # define NAND_CMD_COPYBACKPRG1 0x85 |
43 | 3e3d5815 | balrog | |
44 | 3e3d5815 | balrog | # define NAND_IOSTATUS_ERROR (1 << 0) |
45 | 3e3d5815 | balrog | # define NAND_IOSTATUS_PLANE0 (1 << 1) |
46 | 3e3d5815 | balrog | # define NAND_IOSTATUS_PLANE1 (1 << 2) |
47 | 3e3d5815 | balrog | # define NAND_IOSTATUS_PLANE2 (1 << 3) |
48 | 3e3d5815 | balrog | # define NAND_IOSTATUS_PLANE3 (1 << 4) |
49 | 0bc472a9 | Kuo-Jung Su | # define NAND_IOSTATUS_READY (1 << 6) |
50 | 3e3d5815 | balrog | # define NAND_IOSTATUS_UNPROTCT (1 << 7) |
51 | 3e3d5815 | balrog | |
52 | 3e3d5815 | balrog | # define MAX_PAGE 0x800 |
53 | 3e3d5815 | balrog | # define MAX_OOB 0x40 |
54 | 3e3d5815 | balrog | |
55 | d4220389 | Juha Riihimäki | typedef struct NANDFlashState NANDFlashState; |
56 | bc24a225 | Paul Brook | struct NANDFlashState {
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57 | d4220389 | Juha Riihimäki | SysBusDevice busdev; |
58 | 3e3d5815 | balrog | uint8_t manf_id, chip_id; |
59 | 48197dfa | Juha Riihimäki | uint8_t buswidth; /* in BYTES */
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60 | 3e3d5815 | balrog | int size, pages;
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61 | 3e3d5815 | balrog | int page_shift, oob_shift, erase_shift, addr_shift;
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62 | 3e3d5815 | balrog | uint8_t *storage; |
63 | 3e3d5815 | balrog | BlockDriverState *bdrv; |
64 | 3e3d5815 | balrog | int mem_oob;
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65 | 3e3d5815 | balrog | |
66 | 51db57f7 | Juan Quintela | uint8_t cle, ale, ce, wp, gnd; |
67 | 3e3d5815 | balrog | |
68 | 3e3d5815 | balrog | uint8_t io[MAX_PAGE + MAX_OOB + 0x400];
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69 | 3e3d5815 | balrog | uint8_t *ioaddr; |
70 | 3e3d5815 | balrog | int iolen;
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71 | 3e3d5815 | balrog | |
72 | d5f2fd58 | Juha Riihimäki | uint32_t cmd; |
73 | d5f2fd58 | Juha Riihimäki | uint64_t addr; |
74 | 3e3d5815 | balrog | int addrlen;
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75 | 3e3d5815 | balrog | int status;
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76 | 3e3d5815 | balrog | int offset;
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77 | 3e3d5815 | balrog | |
78 | bc24a225 | Paul Brook | void (*blk_write)(NANDFlashState *s);
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79 | bc24a225 | Paul Brook | void (*blk_erase)(NANDFlashState *s);
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80 | d5f2fd58 | Juha Riihimäki | void (*blk_load)(NANDFlashState *s, uint64_t addr, int offset); |
81 | 7b9a3d86 | Juan Quintela | |
82 | 7b9a3d86 | Juan Quintela | uint32_t ioaddr_vmstate; |
83 | 3e3d5815 | balrog | }; |
84 | 3e3d5815 | balrog | |
85 | 89f640bc | Peter Maydell | static void mem_and(uint8_t *dest, const uint8_t *src, size_t n) |
86 | 89f640bc | Peter Maydell | { |
87 | 89f640bc | Peter Maydell | /* Like memcpy() but we logical-AND the data into the destination */
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88 | 89f640bc | Peter Maydell | int i;
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89 | 89f640bc | Peter Maydell | for (i = 0; i < n; i++) { |
90 | 89f640bc | Peter Maydell | dest[i] &= src[i]; |
91 | 89f640bc | Peter Maydell | } |
92 | 89f640bc | Peter Maydell | } |
93 | 89f640bc | Peter Maydell | |
94 | 3e3d5815 | balrog | # define NAND_NO_AUTOINCR 0x00000001 |
95 | 3e3d5815 | balrog | # define NAND_BUSWIDTH_16 0x00000002 |
96 | 3e3d5815 | balrog | # define NAND_NO_PADDING 0x00000004 |
97 | 3e3d5815 | balrog | # define NAND_CACHEPRG 0x00000008 |
98 | 3e3d5815 | balrog | # define NAND_COPYBACK 0x00000010 |
99 | 3e3d5815 | balrog | # define NAND_IS_AND 0x00000020 |
100 | 3e3d5815 | balrog | # define NAND_4PAGE_ARRAY 0x00000040 |
101 | 3e3d5815 | balrog | # define NAND_NO_READRDY 0x00000100 |
102 | 3e3d5815 | balrog | # define NAND_SAMSUNG_LP (NAND_NO_PADDING | NAND_COPYBACK)
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103 | 3e3d5815 | balrog | |
104 | 3e3d5815 | balrog | # define NAND_IO
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105 | 3e3d5815 | balrog | |
106 | 3e3d5815 | balrog | # define PAGE(addr) ((addr) >> ADDR_SHIFT)
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107 | 3e3d5815 | balrog | # define PAGE_START(page) (PAGE(page) * (PAGE_SIZE + OOB_SIZE))
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108 | 3e3d5815 | balrog | # define PAGE_MASK ((1 << ADDR_SHIFT) - 1) |
109 | 3e3d5815 | balrog | # define OOB_SHIFT (PAGE_SHIFT - 5) |
110 | 3e3d5815 | balrog | # define OOB_SIZE (1 << OOB_SHIFT) |
111 | 3e3d5815 | balrog | # define SECTOR(addr) ((addr) >> (9 + ADDR_SHIFT - PAGE_SHIFT)) |
112 | 3e3d5815 | balrog | # define SECTOR_OFFSET(addr) ((addr) & ((511 >> PAGE_SHIFT) << 8)) |
113 | 3e3d5815 | balrog | |
114 | 3e3d5815 | balrog | # define PAGE_SIZE 256 |
115 | 3e3d5815 | balrog | # define PAGE_SHIFT 8 |
116 | 3e3d5815 | balrog | # define PAGE_SECTORS 1 |
117 | 3e3d5815 | balrog | # define ADDR_SHIFT 8 |
118 | 3e3d5815 | balrog | # include "nand.c" |
119 | 3e3d5815 | balrog | # define PAGE_SIZE 512 |
120 | 3e3d5815 | balrog | # define PAGE_SHIFT 9 |
121 | 3e3d5815 | balrog | # define PAGE_SECTORS 1 |
122 | 3e3d5815 | balrog | # define ADDR_SHIFT 8 |
123 | 3e3d5815 | balrog | # include "nand.c" |
124 | 3e3d5815 | balrog | # define PAGE_SIZE 2048 |
125 | 3e3d5815 | balrog | # define PAGE_SHIFT 11 |
126 | 3e3d5815 | balrog | # define PAGE_SECTORS 4 |
127 | 3e3d5815 | balrog | # define ADDR_SHIFT 16 |
128 | 3e3d5815 | balrog | # include "nand.c" |
129 | 3e3d5815 | balrog | |
130 | 3e3d5815 | balrog | /* Information based on Linux drivers/mtd/nand/nand_ids.c */
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131 | bc24a225 | Paul Brook | static const struct { |
132 | 3e3d5815 | balrog | int size;
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133 | 3e3d5815 | balrog | int width;
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134 | 3e3d5815 | balrog | int page_shift;
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135 | 3e3d5815 | balrog | int erase_shift;
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136 | 3e3d5815 | balrog | uint32_t options; |
137 | 3e3d5815 | balrog | } nand_flash_ids[0x100] = {
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138 | 3e3d5815 | balrog | [0 ... 0xff] = { 0 }, |
139 | 3e3d5815 | balrog | |
140 | 3e3d5815 | balrog | [0x6e] = { 1, 8, 8, 4, 0 }, |
141 | 3e3d5815 | balrog | [0x64] = { 2, 8, 8, 4, 0 }, |
142 | 3e3d5815 | balrog | [0x6b] = { 4, 8, 9, 4, 0 }, |
143 | 3e3d5815 | balrog | [0xe8] = { 1, 8, 8, 4, 0 }, |
144 | 3e3d5815 | balrog | [0xec] = { 1, 8, 8, 4, 0 }, |
145 | 3e3d5815 | balrog | [0xea] = { 2, 8, 8, 4, 0 }, |
146 | 3e3d5815 | balrog | [0xd5] = { 4, 8, 9, 4, 0 }, |
147 | 3e3d5815 | balrog | [0xe3] = { 4, 8, 9, 4, 0 }, |
148 | 3e3d5815 | balrog | [0xe5] = { 4, 8, 9, 4, 0 }, |
149 | 3e3d5815 | balrog | [0xd6] = { 8, 8, 9, 4, 0 }, |
150 | 3e3d5815 | balrog | |
151 | 3e3d5815 | balrog | [0x39] = { 8, 8, 9, 4, 0 }, |
152 | 3e3d5815 | balrog | [0xe6] = { 8, 8, 9, 4, 0 }, |
153 | 3e3d5815 | balrog | [0x49] = { 8, 16, 9, 4, NAND_BUSWIDTH_16 }, |
154 | 3e3d5815 | balrog | [0x59] = { 8, 16, 9, 4, NAND_BUSWIDTH_16 }, |
155 | 3e3d5815 | balrog | |
156 | 3e3d5815 | balrog | [0x33] = { 16, 8, 9, 5, 0 }, |
157 | 3e3d5815 | balrog | [0x73] = { 16, 8, 9, 5, 0 }, |
158 | 3e3d5815 | balrog | [0x43] = { 16, 16, 9, 5, NAND_BUSWIDTH_16 }, |
159 | 3e3d5815 | balrog | [0x53] = { 16, 16, 9, 5, NAND_BUSWIDTH_16 }, |
160 | 3e3d5815 | balrog | |
161 | 3e3d5815 | balrog | [0x35] = { 32, 8, 9, 5, 0 }, |
162 | 3e3d5815 | balrog | [0x75] = { 32, 8, 9, 5, 0 }, |
163 | 3e3d5815 | balrog | [0x45] = { 32, 16, 9, 5, NAND_BUSWIDTH_16 }, |
164 | 3e3d5815 | balrog | [0x55] = { 32, 16, 9, 5, NAND_BUSWIDTH_16 }, |
165 | 3e3d5815 | balrog | |
166 | 3e3d5815 | balrog | [0x36] = { 64, 8, 9, 5, 0 }, |
167 | 3e3d5815 | balrog | [0x76] = { 64, 8, 9, 5, 0 }, |
168 | 3e3d5815 | balrog | [0x46] = { 64, 16, 9, 5, NAND_BUSWIDTH_16 }, |
169 | 3e3d5815 | balrog | [0x56] = { 64, 16, 9, 5, NAND_BUSWIDTH_16 }, |
170 | 3e3d5815 | balrog | |
171 | 3e3d5815 | balrog | [0x78] = { 128, 8, 9, 5, 0 }, |
172 | 3e3d5815 | balrog | [0x39] = { 128, 8, 9, 5, 0 }, |
173 | 3e3d5815 | balrog | [0x79] = { 128, 8, 9, 5, 0 }, |
174 | 3e3d5815 | balrog | [0x72] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 }, |
175 | 3e3d5815 | balrog | [0x49] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 }, |
176 | 3e3d5815 | balrog | [0x74] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 }, |
177 | 3e3d5815 | balrog | [0x59] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 }, |
178 | 3e3d5815 | balrog | |
179 | 3e3d5815 | balrog | [0x71] = { 256, 8, 9, 5, 0 }, |
180 | 3e3d5815 | balrog | |
181 | 3e3d5815 | balrog | /*
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182 | 3e3d5815 | balrog | * These are the new chips with large page size. The pagesize and the
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183 | 3e3d5815 | balrog | * erasesize is determined from the extended id bytes
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184 | 3e3d5815 | balrog | */
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185 | 3e3d5815 | balrog | # define LP_OPTIONS (NAND_SAMSUNG_LP | NAND_NO_READRDY | NAND_NO_AUTOINCR)
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186 | 3e3d5815 | balrog | # define LP_OPTIONS16 (LP_OPTIONS | NAND_BUSWIDTH_16)
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187 | 3e3d5815 | balrog | |
188 | 3e3d5815 | balrog | /* 512 Megabit */
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189 | 3e3d5815 | balrog | [0xa2] = { 64, 8, 0, 0, LP_OPTIONS }, |
190 | 3e3d5815 | balrog | [0xf2] = { 64, 8, 0, 0, LP_OPTIONS }, |
191 | 3e3d5815 | balrog | [0xb2] = { 64, 16, 0, 0, LP_OPTIONS16 }, |
192 | 3e3d5815 | balrog | [0xc2] = { 64, 16, 0, 0, LP_OPTIONS16 }, |
193 | 3e3d5815 | balrog | |
194 | 3e3d5815 | balrog | /* 1 Gigabit */
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195 | 3e3d5815 | balrog | [0xa1] = { 128, 8, 0, 0, LP_OPTIONS }, |
196 | 3e3d5815 | balrog | [0xf1] = { 128, 8, 0, 0, LP_OPTIONS }, |
197 | 3e3d5815 | balrog | [0xb1] = { 128, 16, 0, 0, LP_OPTIONS16 }, |
198 | 3e3d5815 | balrog | [0xc1] = { 128, 16, 0, 0, LP_OPTIONS16 }, |
199 | 3e3d5815 | balrog | |
200 | 3e3d5815 | balrog | /* 2 Gigabit */
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201 | 3e3d5815 | balrog | [0xaa] = { 256, 8, 0, 0, LP_OPTIONS }, |
202 | 3e3d5815 | balrog | [0xda] = { 256, 8, 0, 0, LP_OPTIONS }, |
203 | 3e3d5815 | balrog | [0xba] = { 256, 16, 0, 0, LP_OPTIONS16 }, |
204 | 3e3d5815 | balrog | [0xca] = { 256, 16, 0, 0, LP_OPTIONS16 }, |
205 | 3e3d5815 | balrog | |
206 | 3e3d5815 | balrog | /* 4 Gigabit */
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207 | 3e3d5815 | balrog | [0xac] = { 512, 8, 0, 0, LP_OPTIONS }, |
208 | 3e3d5815 | balrog | [0xdc] = { 512, 8, 0, 0, LP_OPTIONS }, |
209 | 3e3d5815 | balrog | [0xbc] = { 512, 16, 0, 0, LP_OPTIONS16 }, |
210 | 3e3d5815 | balrog | [0xcc] = { 512, 16, 0, 0, LP_OPTIONS16 }, |
211 | 3e3d5815 | balrog | |
212 | 3e3d5815 | balrog | /* 8 Gigabit */
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213 | 3e3d5815 | balrog | [0xa3] = { 1024, 8, 0, 0, LP_OPTIONS }, |
214 | 3e3d5815 | balrog | [0xd3] = { 1024, 8, 0, 0, LP_OPTIONS }, |
215 | 3e3d5815 | balrog | [0xb3] = { 1024, 16, 0, 0, LP_OPTIONS16 }, |
216 | 3e3d5815 | balrog | [0xc3] = { 1024, 16, 0, 0, LP_OPTIONS16 }, |
217 | 3e3d5815 | balrog | |
218 | 3e3d5815 | balrog | /* 16 Gigabit */
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219 | 3e3d5815 | balrog | [0xa5] = { 2048, 8, 0, 0, LP_OPTIONS }, |
220 | 3e3d5815 | balrog | [0xd5] = { 2048, 8, 0, 0, LP_OPTIONS }, |
221 | 3e3d5815 | balrog | [0xb5] = { 2048, 16, 0, 0, LP_OPTIONS16 }, |
222 | 3e3d5815 | balrog | [0xc5] = { 2048, 16, 0, 0, LP_OPTIONS16 }, |
223 | 3e3d5815 | balrog | }; |
224 | 3e3d5815 | balrog | |
225 | d4220389 | Juha Riihimäki | static void nand_reset(DeviceState *dev) |
226 | 3e3d5815 | balrog | { |
227 | 1356b98d | Andreas Färber | NANDFlashState *s = FROM_SYSBUS(NANDFlashState, SYS_BUS_DEVICE(dev)); |
228 | 3e3d5815 | balrog | s->cmd = NAND_CMD_READ0; |
229 | 3e3d5815 | balrog | s->addr = 0;
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230 | 3e3d5815 | balrog | s->addrlen = 0;
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231 | 3e3d5815 | balrog | s->iolen = 0;
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232 | 3e3d5815 | balrog | s->offset = 0;
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233 | 3e3d5815 | balrog | s->status &= NAND_IOSTATUS_UNPROTCT; |
234 | 0bc472a9 | Kuo-Jung Su | s->status |= NAND_IOSTATUS_READY; |
235 | 3e3d5815 | balrog | } |
236 | 3e3d5815 | balrog | |
237 | 48197dfa | Juha Riihimäki | static inline void nand_pushio_byte(NANDFlashState *s, uint8_t value) |
238 | 48197dfa | Juha Riihimäki | { |
239 | 48197dfa | Juha Riihimäki | s->ioaddr[s->iolen++] = value; |
240 | 48197dfa | Juha Riihimäki | for (value = s->buswidth; --value;) {
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241 | 48197dfa | Juha Riihimäki | s->ioaddr[s->iolen++] = 0;
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242 | 48197dfa | Juha Riihimäki | } |
243 | 48197dfa | Juha Riihimäki | } |
244 | 48197dfa | Juha Riihimäki | |
245 | bc24a225 | Paul Brook | static void nand_command(NANDFlashState *s) |
246 | 3e3d5815 | balrog | { |
247 | fccd2613 | Edgar E. Iglesias | unsigned int offset; |
248 | 3e3d5815 | balrog | switch (s->cmd) {
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249 | 3e3d5815 | balrog | case NAND_CMD_READ0:
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250 | 3e3d5815 | balrog | s->iolen = 0;
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251 | 3e3d5815 | balrog | break;
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252 | 3e3d5815 | balrog | |
253 | 3e3d5815 | balrog | case NAND_CMD_READID:
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254 | 3e3d5815 | balrog | s->ioaddr = s->io; |
255 | 48197dfa | Juha Riihimäki | s->iolen = 0;
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256 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, s->manf_id); |
257 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, s->chip_id); |
258 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, 'Q'); /* Don't-care byte (often 0xa5) */ |
259 | 48197dfa | Juha Riihimäki | if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
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260 | 48197dfa | Juha Riihimäki | /* Page Size, Block Size, Spare Size; bit 6 indicates
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261 | 48197dfa | Juha Riihimäki | * 8 vs 16 bit width NAND.
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262 | 48197dfa | Juha Riihimäki | */
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263 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, (s->buswidth == 2) ? 0x55 : 0x15); |
264 | 48197dfa | Juha Riihimäki | } else {
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265 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, 0xc0); /* Multi-plane */ |
266 | 48197dfa | Juha Riihimäki | } |
267 | 3e3d5815 | balrog | break;
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268 | 3e3d5815 | balrog | |
269 | 3e3d5815 | balrog | case NAND_CMD_RANDOMREAD2:
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270 | 3e3d5815 | balrog | case NAND_CMD_NOSERIALREAD2:
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271 | 3e3d5815 | balrog | if (!(nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP))
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272 | 3e3d5815 | balrog | break;
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273 | fccd2613 | Edgar E. Iglesias | offset = s->addr & ((1 << s->addr_shift) - 1); |
274 | fccd2613 | Edgar E. Iglesias | s->blk_load(s, s->addr, offset); |
275 | fccd2613 | Edgar E. Iglesias | if (s->gnd)
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276 | fccd2613 | Edgar E. Iglesias | s->iolen = (1 << s->page_shift) - offset;
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277 | fccd2613 | Edgar E. Iglesias | else
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278 | fccd2613 | Edgar E. Iglesias | s->iolen = (1 << s->page_shift) + (1 << s->oob_shift) - offset; |
279 | 3e3d5815 | balrog | break;
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280 | 3e3d5815 | balrog | |
281 | 3e3d5815 | balrog | case NAND_CMD_RESET:
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282 | d4220389 | Juha Riihimäki | nand_reset(&s->busdev.qdev); |
283 | 3e3d5815 | balrog | break;
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284 | 3e3d5815 | balrog | |
285 | 3e3d5815 | balrog | case NAND_CMD_PAGEPROGRAM1:
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286 | 3e3d5815 | balrog | s->ioaddr = s->io; |
287 | 3e3d5815 | balrog | s->iolen = 0;
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288 | 3e3d5815 | balrog | break;
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289 | 3e3d5815 | balrog | |
290 | 3e3d5815 | balrog | case NAND_CMD_PAGEPROGRAM2:
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291 | 3e3d5815 | balrog | if (s->wp) {
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292 | 3e3d5815 | balrog | s->blk_write(s); |
293 | 3e3d5815 | balrog | } |
294 | 3e3d5815 | balrog | break;
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295 | 3e3d5815 | balrog | |
296 | 3e3d5815 | balrog | case NAND_CMD_BLOCKERASE1:
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297 | 3e3d5815 | balrog | break;
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298 | 3e3d5815 | balrog | |
299 | 3e3d5815 | balrog | case NAND_CMD_BLOCKERASE2:
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300 | 3e3d5815 | balrog | if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP)
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301 | 3e3d5815 | balrog | s->addr <<= 16;
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302 | 3e3d5815 | balrog | else
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303 | 3e3d5815 | balrog | s->addr <<= 8;
|
304 | 3e3d5815 | balrog | |
305 | 3e3d5815 | balrog | if (s->wp) {
|
306 | 3e3d5815 | balrog | s->blk_erase(s); |
307 | 3e3d5815 | balrog | } |
308 | 3e3d5815 | balrog | break;
|
309 | 3e3d5815 | balrog | |
310 | 3e3d5815 | balrog | case NAND_CMD_READSTATUS:
|
311 | 3e3d5815 | balrog | s->ioaddr = s->io; |
312 | 48197dfa | Juha Riihimäki | s->iolen = 0;
|
313 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, s->status); |
314 | 3e3d5815 | balrog | break;
|
315 | 3e3d5815 | balrog | |
316 | 3e3d5815 | balrog | default:
|
317 | 3e3d5815 | balrog | printf("%s: Unknown NAND command 0x%02x\n", __FUNCTION__, s->cmd);
|
318 | 3e3d5815 | balrog | } |
319 | 3e3d5815 | balrog | } |
320 | 3e3d5815 | balrog | |
321 | 7b9a3d86 | Juan Quintela | static void nand_pre_save(void *opaque) |
322 | aa941b94 | balrog | { |
323 | 7b9a3d86 | Juan Quintela | NANDFlashState *s = opaque; |
324 | 7b9a3d86 | Juan Quintela | |
325 | 7b9a3d86 | Juan Quintela | s->ioaddr_vmstate = s->ioaddr - s->io; |
326 | aa941b94 | balrog | } |
327 | aa941b94 | balrog | |
328 | 7b9a3d86 | Juan Quintela | static int nand_post_load(void *opaque, int version_id) |
329 | aa941b94 | balrog | { |
330 | 7b9a3d86 | Juan Quintela | NANDFlashState *s = opaque; |
331 | 7b9a3d86 | Juan Quintela | |
332 | 7b9a3d86 | Juan Quintela | if (s->ioaddr_vmstate > sizeof(s->io)) { |
333 | aa941b94 | balrog | return -EINVAL;
|
334 | 7b9a3d86 | Juan Quintela | } |
335 | 7b9a3d86 | Juan Quintela | s->ioaddr = s->io + s->ioaddr_vmstate; |
336 | aa941b94 | balrog | |
337 | aa941b94 | balrog | return 0; |
338 | aa941b94 | balrog | } |
339 | aa941b94 | balrog | |
340 | 7b9a3d86 | Juan Quintela | static const VMStateDescription vmstate_nand = { |
341 | 7b9a3d86 | Juan Quintela | .name = "nand",
|
342 | ac2466cd | Andrzej Zaborowski | .version_id = 1,
|
343 | ac2466cd | Andrzej Zaborowski | .minimum_version_id = 1,
|
344 | ac2466cd | Andrzej Zaborowski | .minimum_version_id_old = 1,
|
345 | 7b9a3d86 | Juan Quintela | .pre_save = nand_pre_save, |
346 | 7b9a3d86 | Juan Quintela | .post_load = nand_post_load, |
347 | 7b9a3d86 | Juan Quintela | .fields = (VMStateField[]) { |
348 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(cle, NANDFlashState), |
349 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(ale, NANDFlashState), |
350 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(ce, NANDFlashState), |
351 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(wp, NANDFlashState), |
352 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(gnd, NANDFlashState), |
353 | 7b9a3d86 | Juan Quintela | VMSTATE_BUFFER(io, NANDFlashState), |
354 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT32(ioaddr_vmstate, NANDFlashState), |
355 | 7b9a3d86 | Juan Quintela | VMSTATE_INT32(iolen, NANDFlashState), |
356 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT32(cmd, NANDFlashState), |
357 | d5f2fd58 | Juha Riihimäki | VMSTATE_UINT64(addr, NANDFlashState), |
358 | 7b9a3d86 | Juan Quintela | VMSTATE_INT32(addrlen, NANDFlashState), |
359 | 7b9a3d86 | Juan Quintela | VMSTATE_INT32(status, NANDFlashState), |
360 | 7b9a3d86 | Juan Quintela | VMSTATE_INT32(offset, NANDFlashState), |
361 | 7b9a3d86 | Juan Quintela | /* XXX: do we want to save s->storage too? */
|
362 | 7b9a3d86 | Juan Quintela | VMSTATE_END_OF_LIST() |
363 | 7b9a3d86 | Juan Quintela | } |
364 | 7b9a3d86 | Juan Quintela | }; |
365 | 7b9a3d86 | Juan Quintela | |
366 | d4220389 | Juha Riihimäki | static int nand_device_init(SysBusDevice *dev) |
367 | d4220389 | Juha Riihimäki | { |
368 | d4220389 | Juha Riihimäki | int pagesize;
|
369 | d4220389 | Juha Riihimäki | NANDFlashState *s = FROM_SYSBUS(NANDFlashState, dev); |
370 | d4220389 | Juha Riihimäki | |
371 | d4220389 | Juha Riihimäki | s->buswidth = nand_flash_ids[s->chip_id].width >> 3;
|
372 | d4220389 | Juha Riihimäki | s->size = nand_flash_ids[s->chip_id].size << 20;
|
373 | d4220389 | Juha Riihimäki | if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
|
374 | d4220389 | Juha Riihimäki | s->page_shift = 11;
|
375 | d4220389 | Juha Riihimäki | s->erase_shift = 6;
|
376 | d4220389 | Juha Riihimäki | } else {
|
377 | d4220389 | Juha Riihimäki | s->page_shift = nand_flash_ids[s->chip_id].page_shift; |
378 | d4220389 | Juha Riihimäki | s->erase_shift = nand_flash_ids[s->chip_id].erase_shift; |
379 | d4220389 | Juha Riihimäki | } |
380 | d4220389 | Juha Riihimäki | |
381 | d4220389 | Juha Riihimäki | switch (1 << s->page_shift) { |
382 | d4220389 | Juha Riihimäki | case 256: |
383 | d4220389 | Juha Riihimäki | nand_init_256(s); |
384 | d4220389 | Juha Riihimäki | break;
|
385 | d4220389 | Juha Riihimäki | case 512: |
386 | d4220389 | Juha Riihimäki | nand_init_512(s); |
387 | d4220389 | Juha Riihimäki | break;
|
388 | d4220389 | Juha Riihimäki | case 2048: |
389 | d4220389 | Juha Riihimäki | nand_init_2048(s); |
390 | d4220389 | Juha Riihimäki | break;
|
391 | d4220389 | Juha Riihimäki | default:
|
392 | 3fc3abf7 | Juha Riihimäki | error_report("Unsupported NAND block size");
|
393 | 3fc3abf7 | Juha Riihimäki | return -1; |
394 | d4220389 | Juha Riihimäki | } |
395 | d4220389 | Juha Riihimäki | |
396 | d4220389 | Juha Riihimäki | pagesize = 1 << s->oob_shift;
|
397 | d4220389 | Juha Riihimäki | s->mem_oob = 1;
|
398 | 3fc3abf7 | Juha Riihimäki | if (s->bdrv) {
|
399 | 3fc3abf7 | Juha Riihimäki | if (bdrv_is_read_only(s->bdrv)) {
|
400 | 3fc3abf7 | Juha Riihimäki | error_report("Can't use a read-only drive");
|
401 | 3fc3abf7 | Juha Riihimäki | return -1; |
402 | 3fc3abf7 | Juha Riihimäki | } |
403 | 3fc3abf7 | Juha Riihimäki | if (bdrv_getlength(s->bdrv) >=
|
404 | 3fc3abf7 | Juha Riihimäki | (s->pages << s->page_shift) + (s->pages << s->oob_shift)) { |
405 | 3fc3abf7 | Juha Riihimäki | pagesize = 0;
|
406 | 3fc3abf7 | Juha Riihimäki | s->mem_oob = 0;
|
407 | 3fc3abf7 | Juha Riihimäki | } |
408 | 3fc3abf7 | Juha Riihimäki | } else {
|
409 | d4220389 | Juha Riihimäki | pagesize += 1 << s->page_shift;
|
410 | d4220389 | Juha Riihimäki | } |
411 | d4220389 | Juha Riihimäki | if (pagesize) {
|
412 | 7267c094 | Anthony Liguori | s->storage = (uint8_t *) memset(g_malloc(s->pages * pagesize), |
413 | d4220389 | Juha Riihimäki | 0xff, s->pages * pagesize);
|
414 | d4220389 | Juha Riihimäki | } |
415 | d4220389 | Juha Riihimäki | /* Give s->ioaddr a sane value in case we save state before it is used. */
|
416 | d4220389 | Juha Riihimäki | s->ioaddr = s->io; |
417 | d4220389 | Juha Riihimäki | |
418 | d4220389 | Juha Riihimäki | return 0; |
419 | d4220389 | Juha Riihimäki | } |
420 | d4220389 | Juha Riihimäki | |
421 | 999e12bb | Anthony Liguori | static Property nand_properties[] = {
|
422 | 999e12bb | Anthony Liguori | DEFINE_PROP_UINT8("manufacturer_id", NANDFlashState, manf_id, 0), |
423 | 999e12bb | Anthony Liguori | DEFINE_PROP_UINT8("chip_id", NANDFlashState, chip_id, 0), |
424 | 999e12bb | Anthony Liguori | DEFINE_PROP_DRIVE("drive", NANDFlashState, bdrv),
|
425 | 999e12bb | Anthony Liguori | DEFINE_PROP_END_OF_LIST(), |
426 | 999e12bb | Anthony Liguori | }; |
427 | 999e12bb | Anthony Liguori | |
428 | 999e12bb | Anthony Liguori | static void nand_class_init(ObjectClass *klass, void *data) |
429 | 999e12bb | Anthony Liguori | { |
430 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
431 | 999e12bb | Anthony Liguori | SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
432 | 999e12bb | Anthony Liguori | |
433 | 999e12bb | Anthony Liguori | k->init = nand_device_init; |
434 | 39bffca2 | Anthony Liguori | dc->reset = nand_reset; |
435 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_nand; |
436 | 39bffca2 | Anthony Liguori | dc->props = nand_properties; |
437 | 999e12bb | Anthony Liguori | } |
438 | 999e12bb | Anthony Liguori | |
439 | 8c43a6f0 | Andreas Färber | static const TypeInfo nand_info = { |
440 | 39bffca2 | Anthony Liguori | .name = "nand",
|
441 | 39bffca2 | Anthony Liguori | .parent = TYPE_SYS_BUS_DEVICE, |
442 | 39bffca2 | Anthony Liguori | .instance_size = sizeof(NANDFlashState),
|
443 | 39bffca2 | Anthony Liguori | .class_init = nand_class_init, |
444 | d4220389 | Juha Riihimäki | }; |
445 | d4220389 | Juha Riihimäki | |
446 | 83f7d43a | Andreas Färber | static void nand_register_types(void) |
447 | d4220389 | Juha Riihimäki | { |
448 | 39bffca2 | Anthony Liguori | type_register_static(&nand_info); |
449 | d4220389 | Juha Riihimäki | } |
450 | d4220389 | Juha Riihimäki | |
451 | 3e3d5815 | balrog | /*
|
452 | 3e3d5815 | balrog | * Chip inputs are CLE, ALE, CE, WP, GND and eight I/O pins. Chip
|
453 | 3e3d5815 | balrog | * outputs are R/B and eight I/O pins.
|
454 | 3e3d5815 | balrog | *
|
455 | 3e3d5815 | balrog | * CE, WP and R/B are active low.
|
456 | 3e3d5815 | balrog | */
|
457 | d4220389 | Juha Riihimäki | void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale,
|
458 | 51db57f7 | Juan Quintela | uint8_t ce, uint8_t wp, uint8_t gnd) |
459 | 3e3d5815 | balrog | { |
460 | d4220389 | Juha Riihimäki | NANDFlashState *s = (NANDFlashState *) dev; |
461 | 3e3d5815 | balrog | s->cle = cle; |
462 | 3e3d5815 | balrog | s->ale = ale; |
463 | 3e3d5815 | balrog | s->ce = ce; |
464 | 3e3d5815 | balrog | s->wp = wp; |
465 | 3e3d5815 | balrog | s->gnd = gnd; |
466 | 3e3d5815 | balrog | if (wp)
|
467 | 3e3d5815 | balrog | s->status |= NAND_IOSTATUS_UNPROTCT; |
468 | 3e3d5815 | balrog | else
|
469 | 3e3d5815 | balrog | s->status &= ~NAND_IOSTATUS_UNPROTCT; |
470 | 3e3d5815 | balrog | } |
471 | 3e3d5815 | balrog | |
472 | d4220389 | Juha Riihimäki | void nand_getpins(DeviceState *dev, int *rb) |
473 | 3e3d5815 | balrog | { |
474 | 3e3d5815 | balrog | *rb = 1;
|
475 | 3e3d5815 | balrog | } |
476 | 3e3d5815 | balrog | |
477 | d4220389 | Juha Riihimäki | void nand_setio(DeviceState *dev, uint32_t value)
|
478 | 3e3d5815 | balrog | { |
479 | 48197dfa | Juha Riihimäki | int i;
|
480 | d4220389 | Juha Riihimäki | NANDFlashState *s = (NANDFlashState *) dev; |
481 | 3e3d5815 | balrog | if (!s->ce && s->cle) {
|
482 | 3e3d5815 | balrog | if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
|
483 | 3e3d5815 | balrog | if (s->cmd == NAND_CMD_READ0 && value == NAND_CMD_LPREAD2)
|
484 | 3e3d5815 | balrog | return;
|
485 | 3e3d5815 | balrog | if (value == NAND_CMD_RANDOMREAD1) {
|
486 | 3e3d5815 | balrog | s->addr &= ~((1 << s->addr_shift) - 1); |
487 | 3e3d5815 | balrog | s->addrlen = 0;
|
488 | 3e3d5815 | balrog | return;
|
489 | 3e3d5815 | balrog | } |
490 | 3e3d5815 | balrog | } |
491 | 3e3d5815 | balrog | if (value == NAND_CMD_READ0)
|
492 | 3e3d5815 | balrog | s->offset = 0;
|
493 | 3e3d5815 | balrog | else if (value == NAND_CMD_READ1) { |
494 | 3e3d5815 | balrog | s->offset = 0x100;
|
495 | 3e3d5815 | balrog | value = NAND_CMD_READ0; |
496 | 3e3d5815 | balrog | } |
497 | 3e3d5815 | balrog | else if (value == NAND_CMD_READ2) { |
498 | 3e3d5815 | balrog | s->offset = 1 << s->page_shift;
|
499 | 3e3d5815 | balrog | value = NAND_CMD_READ0; |
500 | 3e3d5815 | balrog | } |
501 | 3e3d5815 | balrog | |
502 | 3e3d5815 | balrog | s->cmd = value; |
503 | 3e3d5815 | balrog | |
504 | 3e3d5815 | balrog | if (s->cmd == NAND_CMD_READSTATUS ||
|
505 | 3e3d5815 | balrog | s->cmd == NAND_CMD_PAGEPROGRAM2 || |
506 | 3e3d5815 | balrog | s->cmd == NAND_CMD_BLOCKERASE1 || |
507 | 3e3d5815 | balrog | s->cmd == NAND_CMD_BLOCKERASE2 || |
508 | 3e3d5815 | balrog | s->cmd == NAND_CMD_NOSERIALREAD2 || |
509 | 3e3d5815 | balrog | s->cmd == NAND_CMD_RANDOMREAD2 || |
510 | 3e3d5815 | balrog | s->cmd == NAND_CMD_RESET) |
511 | 3e3d5815 | balrog | nand_command(s); |
512 | 3e3d5815 | balrog | |
513 | 3e3d5815 | balrog | if (s->cmd != NAND_CMD_RANDOMREAD2) {
|
514 | 3e3d5815 | balrog | s->addrlen = 0;
|
515 | 3e3d5815 | balrog | } |
516 | 3e3d5815 | balrog | } |
517 | 3e3d5815 | balrog | |
518 | 3e3d5815 | balrog | if (s->ale) {
|
519 | fccd2613 | Edgar E. Iglesias | unsigned int shift = s->addrlen * 8; |
520 | fccd2613 | Edgar E. Iglesias | unsigned int mask = ~(0xff << shift); |
521 | fccd2613 | Edgar E. Iglesias | unsigned int v = value << shift; |
522 | fccd2613 | Edgar E. Iglesias | |
523 | fccd2613 | Edgar E. Iglesias | s->addr = (s->addr & mask) | v; |
524 | 3e3d5815 | balrog | s->addrlen ++; |
525 | 3e3d5815 | balrog | |
526 | 48197dfa | Juha Riihimäki | switch (s->addrlen) {
|
527 | 48197dfa | Juha Riihimäki | case 1: |
528 | 48197dfa | Juha Riihimäki | if (s->cmd == NAND_CMD_READID) {
|
529 | 48197dfa | Juha Riihimäki | nand_command(s); |
530 | 48197dfa | Juha Riihimäki | } |
531 | 48197dfa | Juha Riihimäki | break;
|
532 | 48197dfa | Juha Riihimäki | case 2: /* fix cache address as a byte address */ |
533 | 48197dfa | Juha Riihimäki | s->addr <<= (s->buswidth - 1);
|
534 | 48197dfa | Juha Riihimäki | break;
|
535 | 48197dfa | Juha Riihimäki | case 3: |
536 | 48197dfa | Juha Riihimäki | if (!(nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
|
537 | 48197dfa | Juha Riihimäki | (s->cmd == NAND_CMD_READ0 || |
538 | 48197dfa | Juha Riihimäki | s->cmd == NAND_CMD_PAGEPROGRAM1)) { |
539 | 48197dfa | Juha Riihimäki | nand_command(s); |
540 | 48197dfa | Juha Riihimäki | } |
541 | 48197dfa | Juha Riihimäki | break;
|
542 | 48197dfa | Juha Riihimäki | case 4: |
543 | 48197dfa | Juha Riihimäki | if ((nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
|
544 | 48197dfa | Juha Riihimäki | nand_flash_ids[s->chip_id].size < 256 && /* 1Gb or less */ |
545 | 48197dfa | Juha Riihimäki | (s->cmd == NAND_CMD_READ0 || |
546 | 48197dfa | Juha Riihimäki | s->cmd == NAND_CMD_PAGEPROGRAM1)) { |
547 | 48197dfa | Juha Riihimäki | nand_command(s); |
548 | 48197dfa | Juha Riihimäki | } |
549 | 48197dfa | Juha Riihimäki | break;
|
550 | 48197dfa | Juha Riihimäki | case 5: |
551 | 48197dfa | Juha Riihimäki | if ((nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
|
552 | 48197dfa | Juha Riihimäki | nand_flash_ids[s->chip_id].size >= 256 && /* 2Gb or more */ |
553 | 48197dfa | Juha Riihimäki | (s->cmd == NAND_CMD_READ0 || |
554 | 48197dfa | Juha Riihimäki | s->cmd == NAND_CMD_PAGEPROGRAM1)) { |
555 | 48197dfa | Juha Riihimäki | nand_command(s); |
556 | 48197dfa | Juha Riihimäki | } |
557 | 48197dfa | Juha Riihimäki | break;
|
558 | 48197dfa | Juha Riihimäki | default:
|
559 | 48197dfa | Juha Riihimäki | break;
|
560 | 48197dfa | Juha Riihimäki | } |
561 | 3e3d5815 | balrog | } |
562 | 3e3d5815 | balrog | |
563 | 3e3d5815 | balrog | if (!s->cle && !s->ale && s->cmd == NAND_CMD_PAGEPROGRAM1) {
|
564 | 48197dfa | Juha Riihimäki | if (s->iolen < (1 << s->page_shift) + (1 << s->oob_shift)) { |
565 | 48197dfa | Juha Riihimäki | for (i = s->buswidth; i--; value >>= 8) { |
566 | 48197dfa | Juha Riihimäki | s->io[s->iolen ++] = (uint8_t) (value & 0xff);
|
567 | 48197dfa | Juha Riihimäki | } |
568 | 48197dfa | Juha Riihimäki | } |
569 | 3e3d5815 | balrog | } else if (!s->cle && !s->ale && s->cmd == NAND_CMD_COPYBACKPRG1) { |
570 | 3e3d5815 | balrog | if ((s->addr & ((1 << s->addr_shift) - 1)) < |
571 | 3e3d5815 | balrog | (1 << s->page_shift) + (1 << s->oob_shift)) { |
572 | 48197dfa | Juha Riihimäki | for (i = s->buswidth; i--; s->addr++, value >>= 8) { |
573 | 48197dfa | Juha Riihimäki | s->io[s->iolen + (s->addr & ((1 << s->addr_shift) - 1))] = |
574 | 48197dfa | Juha Riihimäki | (uint8_t) (value & 0xff);
|
575 | 48197dfa | Juha Riihimäki | } |
576 | 3e3d5815 | balrog | } |
577 | 3e3d5815 | balrog | } |
578 | 3e3d5815 | balrog | } |
579 | 3e3d5815 | balrog | |
580 | d4220389 | Juha Riihimäki | uint32_t nand_getio(DeviceState *dev) |
581 | 3e3d5815 | balrog | { |
582 | 3e3d5815 | balrog | int offset;
|
583 | 48197dfa | Juha Riihimäki | uint32_t x = 0;
|
584 | d4220389 | Juha Riihimäki | NANDFlashState *s = (NANDFlashState *) dev; |
585 | 5fafdf24 | ths | |
586 | 3e3d5815 | balrog | /* Allow sequential reading */
|
587 | 3e3d5815 | balrog | if (!s->iolen && s->cmd == NAND_CMD_READ0) {
|
588 | d5f2fd58 | Juha Riihimäki | offset = (int) (s->addr & ((1 << s->addr_shift) - 1)) + s->offset; |
589 | 3e3d5815 | balrog | s->offset = 0;
|
590 | 3e3d5815 | balrog | |
591 | 3e3d5815 | balrog | s->blk_load(s, s->addr, offset); |
592 | 3e3d5815 | balrog | if (s->gnd)
|
593 | 3e3d5815 | balrog | s->iolen = (1 << s->page_shift) - offset;
|
594 | 3e3d5815 | balrog | else
|
595 | 3e3d5815 | balrog | s->iolen = (1 << s->page_shift) + (1 << s->oob_shift) - offset; |
596 | 3e3d5815 | balrog | } |
597 | 3e3d5815 | balrog | |
598 | 3e3d5815 | balrog | if (s->ce || s->iolen <= 0) |
599 | 3e3d5815 | balrog | return 0; |
600 | 3e3d5815 | balrog | |
601 | 48197dfa | Juha Riihimäki | for (offset = s->buswidth; offset--;) {
|
602 | 48197dfa | Juha Riihimäki | x |= s->ioaddr[offset] << (offset << 3);
|
603 | 48197dfa | Juha Riihimäki | } |
604 | d72245fb | Juha Riihimäki | /* after receiving READ STATUS command all subsequent reads will
|
605 | d72245fb | Juha Riihimäki | * return the status register value until another command is issued
|
606 | d72245fb | Juha Riihimäki | */
|
607 | d72245fb | Juha Riihimäki | if (s->cmd != NAND_CMD_READSTATUS) {
|
608 | d72245fb | Juha Riihimäki | s->addr += s->buswidth; |
609 | d72245fb | Juha Riihimäki | s->ioaddr += s->buswidth; |
610 | d72245fb | Juha Riihimäki | s->iolen -= s->buswidth; |
611 | d72245fb | Juha Riihimäki | } |
612 | 48197dfa | Juha Riihimäki | return x;
|
613 | 48197dfa | Juha Riihimäki | } |
614 | 48197dfa | Juha Riihimäki | |
615 | d4220389 | Juha Riihimäki | uint32_t nand_getbuswidth(DeviceState *dev) |
616 | 48197dfa | Juha Riihimäki | { |
617 | d4220389 | Juha Riihimäki | NANDFlashState *s = (NANDFlashState *) dev; |
618 | 48197dfa | Juha Riihimäki | return s->buswidth << 3; |
619 | 3e3d5815 | balrog | } |
620 | 3e3d5815 | balrog | |
621 | d4220389 | Juha Riihimäki | DeviceState *nand_init(BlockDriverState *bdrv, int manf_id, int chip_id) |
622 | 3e3d5815 | balrog | { |
623 | d4220389 | Juha Riihimäki | DeviceState *dev; |
624 | 3e3d5815 | balrog | |
625 | 3e3d5815 | balrog | if (nand_flash_ids[chip_id].size == 0) { |
626 | 2ac71179 | Paul Brook | hw_error("%s: Unsupported NAND chip ID.\n", __FUNCTION__);
|
627 | 3e3d5815 | balrog | } |
628 | d4220389 | Juha Riihimäki | dev = qdev_create(NULL, "nand"); |
629 | d4220389 | Juha Riihimäki | qdev_prop_set_uint8(dev, "manufacturer_id", manf_id);
|
630 | d4220389 | Juha Riihimäki | qdev_prop_set_uint8(dev, "chip_id", chip_id);
|
631 | d4220389 | Juha Riihimäki | if (bdrv) {
|
632 | d4220389 | Juha Riihimäki | qdev_prop_set_drive_nofail(dev, "drive", bdrv);
|
633 | 3e3d5815 | balrog | } |
634 | 3e3d5815 | balrog | |
635 | d4220389 | Juha Riihimäki | qdev_init_nofail(dev); |
636 | d4220389 | Juha Riihimäki | return dev;
|
637 | 3e3d5815 | balrog | } |
638 | 3e3d5815 | balrog | |
639 | 83f7d43a | Andreas Färber | type_init(nand_register_types) |
640 | 3e3d5815 | balrog | |
641 | 3e3d5815 | balrog | #else
|
642 | 3e3d5815 | balrog | |
643 | 3e3d5815 | balrog | /* Program a single page */
|
644 | bc24a225 | Paul Brook | static void glue(nand_blk_write_, PAGE_SIZE)(NANDFlashState *s) |
645 | 3e3d5815 | balrog | { |
646 | d5f2fd58 | Juha Riihimäki | uint64_t off, page, sector, soff; |
647 | 3e3d5815 | balrog | uint8_t iobuf[(PAGE_SECTORS + 2) * 0x200]; |
648 | 3e3d5815 | balrog | if (PAGE(s->addr) >= s->pages)
|
649 | 3e3d5815 | balrog | return;
|
650 | 3e3d5815 | balrog | |
651 | 3e3d5815 | balrog | if (!s->bdrv) {
|
652 | 89f640bc | Peter Maydell | mem_and(s->storage + PAGE_START(s->addr) + (s->addr & PAGE_MASK) + |
653 | 3e3d5815 | balrog | s->offset, s->io, s->iolen); |
654 | 3e3d5815 | balrog | } else if (s->mem_oob) { |
655 | 3e3d5815 | balrog | sector = SECTOR(s->addr); |
656 | 3e3d5815 | balrog | off = (s->addr & PAGE_MASK) + s->offset; |
657 | 3e3d5815 | balrog | soff = SECTOR_OFFSET(s->addr); |
658 | 7a608f56 | Stefan Weil | if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS) < 0) { |
659 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", __func__, sector); |
660 | 3e3d5815 | balrog | return;
|
661 | 3e3d5815 | balrog | } |
662 | 3e3d5815 | balrog | |
663 | 89f640bc | Peter Maydell | mem_and(iobuf + (soff | off), s->io, MIN(s->iolen, PAGE_SIZE - off)); |
664 | 3e3d5815 | balrog | if (off + s->iolen > PAGE_SIZE) {
|
665 | 3e3d5815 | balrog | page = PAGE(s->addr); |
666 | 89f640bc | Peter Maydell | mem_and(s->storage + (page << OOB_SHIFT), s->io + PAGE_SIZE - off, |
667 | 3e3d5815 | balrog | MIN(OOB_SIZE, off + s->iolen - PAGE_SIZE)); |
668 | 3e3d5815 | balrog | } |
669 | 3e3d5815 | balrog | |
670 | 7a608f56 | Stefan Weil | if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS) < 0) { |
671 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, sector); |
672 | 7a608f56 | Stefan Weil | } |
673 | 3e3d5815 | balrog | } else {
|
674 | 3e3d5815 | balrog | off = PAGE_START(s->addr) + (s->addr & PAGE_MASK) + s->offset; |
675 | 3e3d5815 | balrog | sector = off >> 9;
|
676 | 3e3d5815 | balrog | soff = off & 0x1ff;
|
677 | 7a608f56 | Stefan Weil | if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) < 0) { |
678 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", __func__, sector); |
679 | 3e3d5815 | balrog | return;
|
680 | 3e3d5815 | balrog | } |
681 | 3e3d5815 | balrog | |
682 | 89f640bc | Peter Maydell | mem_and(iobuf + soff, s->io, s->iolen); |
683 | 3e3d5815 | balrog | |
684 | 7a608f56 | Stefan Weil | if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) < 0) { |
685 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, sector); |
686 | 7a608f56 | Stefan Weil | } |
687 | 3e3d5815 | balrog | } |
688 | 3e3d5815 | balrog | s->offset = 0;
|
689 | 3e3d5815 | balrog | } |
690 | 3e3d5815 | balrog | |
691 | 3e3d5815 | balrog | /* Erase a single block */
|
692 | bc24a225 | Paul Brook | static void glue(nand_blk_erase_, PAGE_SIZE)(NANDFlashState *s) |
693 | 3e3d5815 | balrog | { |
694 | d5f2fd58 | Juha Riihimäki | uint64_t i, page, addr; |
695 | 3e3d5815 | balrog | uint8_t iobuf[0x200] = { [0 ... 0x1ff] = 0xff, }; |
696 | 3e3d5815 | balrog | addr = s->addr & ~((1 << (ADDR_SHIFT + s->erase_shift)) - 1); |
697 | 3e3d5815 | balrog | |
698 | 3e3d5815 | balrog | if (PAGE(addr) >= s->pages)
|
699 | 3e3d5815 | balrog | return;
|
700 | 3e3d5815 | balrog | |
701 | 3e3d5815 | balrog | if (!s->bdrv) {
|
702 | 3e3d5815 | balrog | memset(s->storage + PAGE_START(addr), |
703 | 3e3d5815 | balrog | 0xff, (PAGE_SIZE + OOB_SIZE) << s->erase_shift);
|
704 | 3e3d5815 | balrog | } else if (s->mem_oob) { |
705 | 3e3d5815 | balrog | memset(s->storage + (PAGE(addr) << OOB_SHIFT), |
706 | 3e3d5815 | balrog | 0xff, OOB_SIZE << s->erase_shift);
|
707 | 3e3d5815 | balrog | i = SECTOR(addr); |
708 | 3e3d5815 | balrog | page = SECTOR(addr + (ADDR_SHIFT + s->erase_shift)); |
709 | 3e3d5815 | balrog | for (; i < page; i ++)
|
710 | 7a608f56 | Stefan Weil | if (bdrv_write(s->bdrv, i, iobuf, 1) < 0) { |
711 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, i); |
712 | 7a608f56 | Stefan Weil | } |
713 | 3e3d5815 | balrog | } else {
|
714 | 3e3d5815 | balrog | addr = PAGE_START(addr); |
715 | 3e3d5815 | balrog | page = addr >> 9;
|
716 | 7a608f56 | Stefan Weil | if (bdrv_read(s->bdrv, page, iobuf, 1) < 0) { |
717 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", __func__, page); |
718 | 7a608f56 | Stefan Weil | } |
719 | 3e3d5815 | balrog | memset(iobuf + (addr & 0x1ff), 0xff, (~addr & 0x1ff) + 1); |
720 | 7a608f56 | Stefan Weil | if (bdrv_write(s->bdrv, page, iobuf, 1) < 0) { |
721 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, page); |
722 | 7a608f56 | Stefan Weil | } |
723 | 3e3d5815 | balrog | |
724 | 3e3d5815 | balrog | memset(iobuf, 0xff, 0x200); |
725 | 3e3d5815 | balrog | i = (addr & ~0x1ff) + 0x200; |
726 | 3e3d5815 | balrog | for (addr += ((PAGE_SIZE + OOB_SIZE) << s->erase_shift) - 0x200; |
727 | 3e3d5815 | balrog | i < addr; i += 0x200)
|
728 | 7a608f56 | Stefan Weil | if (bdrv_write(s->bdrv, i >> 9, iobuf, 1) < 0) { |
729 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", |
730 | d5f2fd58 | Juha Riihimäki | __func__, i >> 9);
|
731 | 7a608f56 | Stefan Weil | } |
732 | 3e3d5815 | balrog | |
733 | 3e3d5815 | balrog | page = i >> 9;
|
734 | 7a608f56 | Stefan Weil | if (bdrv_read(s->bdrv, page, iobuf, 1) < 0) { |
735 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", __func__, page); |
736 | 7a608f56 | Stefan Weil | } |
737 | a07dec22 | balrog | memset(iobuf, 0xff, ((addr - 1) & 0x1ff) + 1); |
738 | 7a608f56 | Stefan Weil | if (bdrv_write(s->bdrv, page, iobuf, 1) < 0) { |
739 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, page); |
740 | 7a608f56 | Stefan Weil | } |
741 | 3e3d5815 | balrog | } |
742 | 3e3d5815 | balrog | } |
743 | 3e3d5815 | balrog | |
744 | bc24a225 | Paul Brook | static void glue(nand_blk_load_, PAGE_SIZE)(NANDFlashState *s, |
745 | d5f2fd58 | Juha Riihimäki | uint64_t addr, int offset)
|
746 | 3e3d5815 | balrog | { |
747 | 3e3d5815 | balrog | if (PAGE(addr) >= s->pages)
|
748 | 3e3d5815 | balrog | return;
|
749 | 3e3d5815 | balrog | |
750 | 3e3d5815 | balrog | if (s->bdrv) {
|
751 | 3e3d5815 | balrog | if (s->mem_oob) {
|
752 | 7a608f56 | Stefan Weil | if (bdrv_read(s->bdrv, SECTOR(addr), s->io, PAGE_SECTORS) < 0) { |
753 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", |
754 | d5f2fd58 | Juha Riihimäki | __func__, SECTOR(addr)); |
755 | 7a608f56 | Stefan Weil | } |
756 | 3e3d5815 | balrog | memcpy(s->io + SECTOR_OFFSET(s->addr) + PAGE_SIZE, |
757 | 3e3d5815 | balrog | s->storage + (PAGE(s->addr) << OOB_SHIFT), |
758 | 3e3d5815 | balrog | OOB_SIZE); |
759 | 3e3d5815 | balrog | s->ioaddr = s->io + SECTOR_OFFSET(s->addr) + offset; |
760 | 3e3d5815 | balrog | } else {
|
761 | 3e3d5815 | balrog | if (bdrv_read(s->bdrv, PAGE_START(addr) >> 9, |
762 | 7a608f56 | Stefan Weil | s->io, (PAGE_SECTORS + 2)) < 0) { |
763 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", |
764 | d5f2fd58 | Juha Riihimäki | __func__, PAGE_START(addr) >> 9);
|
765 | 7a608f56 | Stefan Weil | } |
766 | 3e3d5815 | balrog | s->ioaddr = s->io + (PAGE_START(addr) & 0x1ff) + offset;
|
767 | 3e3d5815 | balrog | } |
768 | 3e3d5815 | balrog | } else {
|
769 | 3e3d5815 | balrog | memcpy(s->io, s->storage + PAGE_START(s->addr) + |
770 | 3e3d5815 | balrog | offset, PAGE_SIZE + OOB_SIZE - offset); |
771 | 3e3d5815 | balrog | s->ioaddr = s->io; |
772 | 3e3d5815 | balrog | } |
773 | 3e3d5815 | balrog | } |
774 | 3e3d5815 | balrog | |
775 | bc24a225 | Paul Brook | static void glue(nand_init_, PAGE_SIZE)(NANDFlashState *s) |
776 | 3e3d5815 | balrog | { |
777 | 3e3d5815 | balrog | s->oob_shift = PAGE_SHIFT - 5;
|
778 | 3e3d5815 | balrog | s->pages = s->size >> PAGE_SHIFT; |
779 | 3e3d5815 | balrog | s->addr_shift = ADDR_SHIFT; |
780 | 3e3d5815 | balrog | |
781 | 3e3d5815 | balrog | s->blk_erase = glue(nand_blk_erase_, PAGE_SIZE); |
782 | 3e3d5815 | balrog | s->blk_write = glue(nand_blk_write_, PAGE_SIZE); |
783 | 3e3d5815 | balrog | s->blk_load = glue(nand_blk_load_, PAGE_SIZE); |
784 | 3e3d5815 | balrog | } |
785 | 3e3d5815 | balrog | |
786 | 3e3d5815 | balrog | # undef PAGE_SIZE
|
787 | 3e3d5815 | balrog | # undef PAGE_SHIFT
|
788 | 3e3d5815 | balrog | # undef PAGE_SECTORS
|
789 | 3e3d5815 | balrog | # undef ADDR_SHIFT
|
790 | 3e3d5815 | balrog | #endif /* NAND_IO */ |