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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 | 3e3d5815 | balrog | */
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15 | 3e3d5815 | balrog | |
16 | 3e3d5815 | balrog | #ifndef NAND_IO
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17 | 3e3d5815 | balrog | |
18 | 87ecb68b | pbrook | # include "hw.h" |
19 | 87ecb68b | pbrook | # include "flash.h" |
20 | 666daa68 | Markus Armbruster | # include "blockdev.h" |
21 | d4220389 | Juha Riihimäki | # include "sysbus.h" |
22 | 3fc3abf7 | Juha Riihimäki | #include "qemu-error.h" |
23 | 3e3d5815 | balrog | |
24 | 3e3d5815 | balrog | # define NAND_CMD_READ0 0x00 |
25 | 3e3d5815 | balrog | # define NAND_CMD_READ1 0x01 |
26 | 3e3d5815 | balrog | # define NAND_CMD_READ2 0x50 |
27 | 3e3d5815 | balrog | # define NAND_CMD_LPREAD2 0x30 |
28 | 3e3d5815 | balrog | # define NAND_CMD_NOSERIALREAD2 0x35 |
29 | 3e3d5815 | balrog | # define NAND_CMD_RANDOMREAD1 0x05 |
30 | 3e3d5815 | balrog | # define NAND_CMD_RANDOMREAD2 0xe0 |
31 | 3e3d5815 | balrog | # define NAND_CMD_READID 0x90 |
32 | 3e3d5815 | balrog | # define NAND_CMD_RESET 0xff |
33 | 3e3d5815 | balrog | # define NAND_CMD_PAGEPROGRAM1 0x80 |
34 | 3e3d5815 | balrog | # define NAND_CMD_PAGEPROGRAM2 0x10 |
35 | 3e3d5815 | balrog | # define NAND_CMD_CACHEPROGRAM2 0x15 |
36 | 3e3d5815 | balrog | # define NAND_CMD_BLOCKERASE1 0x60 |
37 | 3e3d5815 | balrog | # define NAND_CMD_BLOCKERASE2 0xd0 |
38 | 3e3d5815 | balrog | # define NAND_CMD_READSTATUS 0x70 |
39 | 3e3d5815 | balrog | # define NAND_CMD_COPYBACKPRG1 0x85 |
40 | 3e3d5815 | balrog | |
41 | 3e3d5815 | balrog | # define NAND_IOSTATUS_ERROR (1 << 0) |
42 | 3e3d5815 | balrog | # define NAND_IOSTATUS_PLANE0 (1 << 1) |
43 | 3e3d5815 | balrog | # define NAND_IOSTATUS_PLANE1 (1 << 2) |
44 | 3e3d5815 | balrog | # define NAND_IOSTATUS_PLANE2 (1 << 3) |
45 | 3e3d5815 | balrog | # define NAND_IOSTATUS_PLANE3 (1 << 4) |
46 | 3e3d5815 | balrog | # define NAND_IOSTATUS_BUSY (1 << 6) |
47 | 3e3d5815 | balrog | # define NAND_IOSTATUS_UNPROTCT (1 << 7) |
48 | 3e3d5815 | balrog | |
49 | 3e3d5815 | balrog | # define MAX_PAGE 0x800 |
50 | 3e3d5815 | balrog | # define MAX_OOB 0x40 |
51 | 3e3d5815 | balrog | |
52 | d4220389 | Juha Riihimäki | typedef struct NANDFlashState NANDFlashState; |
53 | bc24a225 | Paul Brook | struct NANDFlashState {
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54 | d4220389 | Juha Riihimäki | SysBusDevice busdev; |
55 | 3e3d5815 | balrog | uint8_t manf_id, chip_id; |
56 | 48197dfa | Juha Riihimäki | uint8_t buswidth; /* in BYTES */
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57 | 3e3d5815 | balrog | int size, pages;
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58 | 3e3d5815 | balrog | int page_shift, oob_shift, erase_shift, addr_shift;
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59 | 3e3d5815 | balrog | uint8_t *storage; |
60 | 3e3d5815 | balrog | BlockDriverState *bdrv; |
61 | 3e3d5815 | balrog | int mem_oob;
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62 | 3e3d5815 | balrog | |
63 | 51db57f7 | Juan Quintela | uint8_t cle, ale, ce, wp, gnd; |
64 | 3e3d5815 | balrog | |
65 | 3e3d5815 | balrog | uint8_t io[MAX_PAGE + MAX_OOB + 0x400];
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66 | 3e3d5815 | balrog | uint8_t *ioaddr; |
67 | 3e3d5815 | balrog | int iolen;
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68 | 3e3d5815 | balrog | |
69 | d5f2fd58 | Juha Riihimäki | uint32_t cmd; |
70 | d5f2fd58 | Juha Riihimäki | uint64_t addr; |
71 | 3e3d5815 | balrog | int addrlen;
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72 | 3e3d5815 | balrog | int status;
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73 | 3e3d5815 | balrog | int offset;
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74 | 3e3d5815 | balrog | |
75 | bc24a225 | Paul Brook | void (*blk_write)(NANDFlashState *s);
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76 | bc24a225 | Paul Brook | void (*blk_erase)(NANDFlashState *s);
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77 | d5f2fd58 | Juha Riihimäki | void (*blk_load)(NANDFlashState *s, uint64_t addr, int offset); |
78 | 7b9a3d86 | Juan Quintela | |
79 | 7b9a3d86 | Juan Quintela | uint32_t ioaddr_vmstate; |
80 | 3e3d5815 | balrog | }; |
81 | 3e3d5815 | balrog | |
82 | 89f640bc | Peter Maydell | static void mem_and(uint8_t *dest, const uint8_t *src, size_t n) |
83 | 89f640bc | Peter Maydell | { |
84 | 89f640bc | Peter Maydell | /* Like memcpy() but we logical-AND the data into the destination */
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85 | 89f640bc | Peter Maydell | int i;
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86 | 89f640bc | Peter Maydell | for (i = 0; i < n; i++) { |
87 | 89f640bc | Peter Maydell | dest[i] &= src[i]; |
88 | 89f640bc | Peter Maydell | } |
89 | 89f640bc | Peter Maydell | } |
90 | 89f640bc | Peter Maydell | |
91 | 3e3d5815 | balrog | # define NAND_NO_AUTOINCR 0x00000001 |
92 | 3e3d5815 | balrog | # define NAND_BUSWIDTH_16 0x00000002 |
93 | 3e3d5815 | balrog | # define NAND_NO_PADDING 0x00000004 |
94 | 3e3d5815 | balrog | # define NAND_CACHEPRG 0x00000008 |
95 | 3e3d5815 | balrog | # define NAND_COPYBACK 0x00000010 |
96 | 3e3d5815 | balrog | # define NAND_IS_AND 0x00000020 |
97 | 3e3d5815 | balrog | # define NAND_4PAGE_ARRAY 0x00000040 |
98 | 3e3d5815 | balrog | # define NAND_NO_READRDY 0x00000100 |
99 | 3e3d5815 | balrog | # define NAND_SAMSUNG_LP (NAND_NO_PADDING | NAND_COPYBACK)
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100 | 3e3d5815 | balrog | |
101 | 3e3d5815 | balrog | # define NAND_IO
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102 | 3e3d5815 | balrog | |
103 | 3e3d5815 | balrog | # define PAGE(addr) ((addr) >> ADDR_SHIFT)
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104 | 3e3d5815 | balrog | # define PAGE_START(page) (PAGE(page) * (PAGE_SIZE + OOB_SIZE))
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105 | 3e3d5815 | balrog | # define PAGE_MASK ((1 << ADDR_SHIFT) - 1) |
106 | 3e3d5815 | balrog | # define OOB_SHIFT (PAGE_SHIFT - 5) |
107 | 3e3d5815 | balrog | # define OOB_SIZE (1 << OOB_SHIFT) |
108 | 3e3d5815 | balrog | # define SECTOR(addr) ((addr) >> (9 + ADDR_SHIFT - PAGE_SHIFT)) |
109 | 3e3d5815 | balrog | # define SECTOR_OFFSET(addr) ((addr) & ((511 >> PAGE_SHIFT) << 8)) |
110 | 3e3d5815 | balrog | |
111 | 3e3d5815 | balrog | # define PAGE_SIZE 256 |
112 | 3e3d5815 | balrog | # define PAGE_SHIFT 8 |
113 | 3e3d5815 | balrog | # define PAGE_SECTORS 1 |
114 | 3e3d5815 | balrog | # define ADDR_SHIFT 8 |
115 | 3e3d5815 | balrog | # include "nand.c" |
116 | 3e3d5815 | balrog | # define PAGE_SIZE 512 |
117 | 3e3d5815 | balrog | # define PAGE_SHIFT 9 |
118 | 3e3d5815 | balrog | # define PAGE_SECTORS 1 |
119 | 3e3d5815 | balrog | # define ADDR_SHIFT 8 |
120 | 3e3d5815 | balrog | # include "nand.c" |
121 | 3e3d5815 | balrog | # define PAGE_SIZE 2048 |
122 | 3e3d5815 | balrog | # define PAGE_SHIFT 11 |
123 | 3e3d5815 | balrog | # define PAGE_SECTORS 4 |
124 | 3e3d5815 | balrog | # define ADDR_SHIFT 16 |
125 | 3e3d5815 | balrog | # include "nand.c" |
126 | 3e3d5815 | balrog | |
127 | 3e3d5815 | balrog | /* Information based on Linux drivers/mtd/nand/nand_ids.c */
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128 | bc24a225 | Paul Brook | static const struct { |
129 | 3e3d5815 | balrog | int size;
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130 | 3e3d5815 | balrog | int width;
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131 | 3e3d5815 | balrog | int page_shift;
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132 | 3e3d5815 | balrog | int erase_shift;
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133 | 3e3d5815 | balrog | uint32_t options; |
134 | 3e3d5815 | balrog | } nand_flash_ids[0x100] = {
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135 | 3e3d5815 | balrog | [0 ... 0xff] = { 0 }, |
136 | 3e3d5815 | balrog | |
137 | 3e3d5815 | balrog | [0x6e] = { 1, 8, 8, 4, 0 }, |
138 | 3e3d5815 | balrog | [0x64] = { 2, 8, 8, 4, 0 }, |
139 | 3e3d5815 | balrog | [0x6b] = { 4, 8, 9, 4, 0 }, |
140 | 3e3d5815 | balrog | [0xe8] = { 1, 8, 8, 4, 0 }, |
141 | 3e3d5815 | balrog | [0xec] = { 1, 8, 8, 4, 0 }, |
142 | 3e3d5815 | balrog | [0xea] = { 2, 8, 8, 4, 0 }, |
143 | 3e3d5815 | balrog | [0xd5] = { 4, 8, 9, 4, 0 }, |
144 | 3e3d5815 | balrog | [0xe3] = { 4, 8, 9, 4, 0 }, |
145 | 3e3d5815 | balrog | [0xe5] = { 4, 8, 9, 4, 0 }, |
146 | 3e3d5815 | balrog | [0xd6] = { 8, 8, 9, 4, 0 }, |
147 | 3e3d5815 | balrog | |
148 | 3e3d5815 | balrog | [0x39] = { 8, 8, 9, 4, 0 }, |
149 | 3e3d5815 | balrog | [0xe6] = { 8, 8, 9, 4, 0 }, |
150 | 3e3d5815 | balrog | [0x49] = { 8, 16, 9, 4, NAND_BUSWIDTH_16 }, |
151 | 3e3d5815 | balrog | [0x59] = { 8, 16, 9, 4, NAND_BUSWIDTH_16 }, |
152 | 3e3d5815 | balrog | |
153 | 3e3d5815 | balrog | [0x33] = { 16, 8, 9, 5, 0 }, |
154 | 3e3d5815 | balrog | [0x73] = { 16, 8, 9, 5, 0 }, |
155 | 3e3d5815 | balrog | [0x43] = { 16, 16, 9, 5, NAND_BUSWIDTH_16 }, |
156 | 3e3d5815 | balrog | [0x53] = { 16, 16, 9, 5, NAND_BUSWIDTH_16 }, |
157 | 3e3d5815 | balrog | |
158 | 3e3d5815 | balrog | [0x35] = { 32, 8, 9, 5, 0 }, |
159 | 3e3d5815 | balrog | [0x75] = { 32, 8, 9, 5, 0 }, |
160 | 3e3d5815 | balrog | [0x45] = { 32, 16, 9, 5, NAND_BUSWIDTH_16 }, |
161 | 3e3d5815 | balrog | [0x55] = { 32, 16, 9, 5, NAND_BUSWIDTH_16 }, |
162 | 3e3d5815 | balrog | |
163 | 3e3d5815 | balrog | [0x36] = { 64, 8, 9, 5, 0 }, |
164 | 3e3d5815 | balrog | [0x76] = { 64, 8, 9, 5, 0 }, |
165 | 3e3d5815 | balrog | [0x46] = { 64, 16, 9, 5, NAND_BUSWIDTH_16 }, |
166 | 3e3d5815 | balrog | [0x56] = { 64, 16, 9, 5, NAND_BUSWIDTH_16 }, |
167 | 3e3d5815 | balrog | |
168 | 3e3d5815 | balrog | [0x78] = { 128, 8, 9, 5, 0 }, |
169 | 3e3d5815 | balrog | [0x39] = { 128, 8, 9, 5, 0 }, |
170 | 3e3d5815 | balrog | [0x79] = { 128, 8, 9, 5, 0 }, |
171 | 3e3d5815 | balrog | [0x72] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 }, |
172 | 3e3d5815 | balrog | [0x49] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 }, |
173 | 3e3d5815 | balrog | [0x74] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 }, |
174 | 3e3d5815 | balrog | [0x59] = { 128, 16, 9, 5, NAND_BUSWIDTH_16 }, |
175 | 3e3d5815 | balrog | |
176 | 3e3d5815 | balrog | [0x71] = { 256, 8, 9, 5, 0 }, |
177 | 3e3d5815 | balrog | |
178 | 3e3d5815 | balrog | /*
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179 | 3e3d5815 | balrog | * These are the new chips with large page size. The pagesize and the
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180 | 3e3d5815 | balrog | * erasesize is determined from the extended id bytes
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181 | 3e3d5815 | balrog | */
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182 | 3e3d5815 | balrog | # define LP_OPTIONS (NAND_SAMSUNG_LP | NAND_NO_READRDY | NAND_NO_AUTOINCR)
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183 | 3e3d5815 | balrog | # define LP_OPTIONS16 (LP_OPTIONS | NAND_BUSWIDTH_16)
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184 | 3e3d5815 | balrog | |
185 | 3e3d5815 | balrog | /* 512 Megabit */
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186 | 3e3d5815 | balrog | [0xa2] = { 64, 8, 0, 0, LP_OPTIONS }, |
187 | 3e3d5815 | balrog | [0xf2] = { 64, 8, 0, 0, LP_OPTIONS }, |
188 | 3e3d5815 | balrog | [0xb2] = { 64, 16, 0, 0, LP_OPTIONS16 }, |
189 | 3e3d5815 | balrog | [0xc2] = { 64, 16, 0, 0, LP_OPTIONS16 }, |
190 | 3e3d5815 | balrog | |
191 | 3e3d5815 | balrog | /* 1 Gigabit */
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192 | 3e3d5815 | balrog | [0xa1] = { 128, 8, 0, 0, LP_OPTIONS }, |
193 | 3e3d5815 | balrog | [0xf1] = { 128, 8, 0, 0, LP_OPTIONS }, |
194 | 3e3d5815 | balrog | [0xb1] = { 128, 16, 0, 0, LP_OPTIONS16 }, |
195 | 3e3d5815 | balrog | [0xc1] = { 128, 16, 0, 0, LP_OPTIONS16 }, |
196 | 3e3d5815 | balrog | |
197 | 3e3d5815 | balrog | /* 2 Gigabit */
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198 | 3e3d5815 | balrog | [0xaa] = { 256, 8, 0, 0, LP_OPTIONS }, |
199 | 3e3d5815 | balrog | [0xda] = { 256, 8, 0, 0, LP_OPTIONS }, |
200 | 3e3d5815 | balrog | [0xba] = { 256, 16, 0, 0, LP_OPTIONS16 }, |
201 | 3e3d5815 | balrog | [0xca] = { 256, 16, 0, 0, LP_OPTIONS16 }, |
202 | 3e3d5815 | balrog | |
203 | 3e3d5815 | balrog | /* 4 Gigabit */
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204 | 3e3d5815 | balrog | [0xac] = { 512, 8, 0, 0, LP_OPTIONS }, |
205 | 3e3d5815 | balrog | [0xdc] = { 512, 8, 0, 0, LP_OPTIONS }, |
206 | 3e3d5815 | balrog | [0xbc] = { 512, 16, 0, 0, LP_OPTIONS16 }, |
207 | 3e3d5815 | balrog | [0xcc] = { 512, 16, 0, 0, LP_OPTIONS16 }, |
208 | 3e3d5815 | balrog | |
209 | 3e3d5815 | balrog | /* 8 Gigabit */
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210 | 3e3d5815 | balrog | [0xa3] = { 1024, 8, 0, 0, LP_OPTIONS }, |
211 | 3e3d5815 | balrog | [0xd3] = { 1024, 8, 0, 0, LP_OPTIONS }, |
212 | 3e3d5815 | balrog | [0xb3] = { 1024, 16, 0, 0, LP_OPTIONS16 }, |
213 | 3e3d5815 | balrog | [0xc3] = { 1024, 16, 0, 0, LP_OPTIONS16 }, |
214 | 3e3d5815 | balrog | |
215 | 3e3d5815 | balrog | /* 16 Gigabit */
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216 | 3e3d5815 | balrog | [0xa5] = { 2048, 8, 0, 0, LP_OPTIONS }, |
217 | 3e3d5815 | balrog | [0xd5] = { 2048, 8, 0, 0, LP_OPTIONS }, |
218 | 3e3d5815 | balrog | [0xb5] = { 2048, 16, 0, 0, LP_OPTIONS16 }, |
219 | 3e3d5815 | balrog | [0xc5] = { 2048, 16, 0, 0, LP_OPTIONS16 }, |
220 | 3e3d5815 | balrog | }; |
221 | 3e3d5815 | balrog | |
222 | d4220389 | Juha Riihimäki | static void nand_reset(DeviceState *dev) |
223 | 3e3d5815 | balrog | { |
224 | d4220389 | Juha Riihimäki | NANDFlashState *s = FROM_SYSBUS(NANDFlashState, sysbus_from_qdev(dev)); |
225 | 3e3d5815 | balrog | s->cmd = NAND_CMD_READ0; |
226 | 3e3d5815 | balrog | s->addr = 0;
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227 | 3e3d5815 | balrog | s->addrlen = 0;
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228 | 3e3d5815 | balrog | s->iolen = 0;
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229 | 3e3d5815 | balrog | s->offset = 0;
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230 | 3e3d5815 | balrog | s->status &= NAND_IOSTATUS_UNPROTCT; |
231 | 3e3d5815 | balrog | } |
232 | 3e3d5815 | balrog | |
233 | 48197dfa | Juha Riihimäki | static inline void nand_pushio_byte(NANDFlashState *s, uint8_t value) |
234 | 48197dfa | Juha Riihimäki | { |
235 | 48197dfa | Juha Riihimäki | s->ioaddr[s->iolen++] = value; |
236 | 48197dfa | Juha Riihimäki | for (value = s->buswidth; --value;) {
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237 | 48197dfa | Juha Riihimäki | s->ioaddr[s->iolen++] = 0;
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238 | 48197dfa | Juha Riihimäki | } |
239 | 48197dfa | Juha Riihimäki | } |
240 | 48197dfa | Juha Riihimäki | |
241 | bc24a225 | Paul Brook | static void nand_command(NANDFlashState *s) |
242 | 3e3d5815 | balrog | { |
243 | fccd2613 | Edgar E. Iglesias | unsigned int offset; |
244 | 3e3d5815 | balrog | switch (s->cmd) {
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245 | 3e3d5815 | balrog | case NAND_CMD_READ0:
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246 | 3e3d5815 | balrog | s->iolen = 0;
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247 | 3e3d5815 | balrog | break;
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248 | 3e3d5815 | balrog | |
249 | 3e3d5815 | balrog | case NAND_CMD_READID:
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250 | 3e3d5815 | balrog | s->ioaddr = s->io; |
251 | 48197dfa | Juha Riihimäki | s->iolen = 0;
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252 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, s->manf_id); |
253 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, s->chip_id); |
254 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, 'Q'); /* Don't-care byte (often 0xa5) */ |
255 | 48197dfa | Juha Riihimäki | if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
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256 | 48197dfa | Juha Riihimäki | /* Page Size, Block Size, Spare Size; bit 6 indicates
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257 | 48197dfa | Juha Riihimäki | * 8 vs 16 bit width NAND.
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258 | 48197dfa | Juha Riihimäki | */
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259 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, (s->buswidth == 2) ? 0x55 : 0x15); |
260 | 48197dfa | Juha Riihimäki | } else {
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261 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, 0xc0); /* Multi-plane */ |
262 | 48197dfa | Juha Riihimäki | } |
263 | 3e3d5815 | balrog | break;
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264 | 3e3d5815 | balrog | |
265 | 3e3d5815 | balrog | case NAND_CMD_RANDOMREAD2:
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266 | 3e3d5815 | balrog | case NAND_CMD_NOSERIALREAD2:
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267 | 3e3d5815 | balrog | if (!(nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP))
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268 | 3e3d5815 | balrog | break;
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269 | fccd2613 | Edgar E. Iglesias | offset = s->addr & ((1 << s->addr_shift) - 1); |
270 | fccd2613 | Edgar E. Iglesias | s->blk_load(s, s->addr, offset); |
271 | fccd2613 | Edgar E. Iglesias | if (s->gnd)
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272 | fccd2613 | Edgar E. Iglesias | s->iolen = (1 << s->page_shift) - offset;
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273 | fccd2613 | Edgar E. Iglesias | else
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274 | fccd2613 | Edgar E. Iglesias | s->iolen = (1 << s->page_shift) + (1 << s->oob_shift) - offset; |
275 | 3e3d5815 | balrog | break;
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276 | 3e3d5815 | balrog | |
277 | 3e3d5815 | balrog | case NAND_CMD_RESET:
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278 | d4220389 | Juha Riihimäki | nand_reset(&s->busdev.qdev); |
279 | 3e3d5815 | balrog | break;
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280 | 3e3d5815 | balrog | |
281 | 3e3d5815 | balrog | case NAND_CMD_PAGEPROGRAM1:
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282 | 3e3d5815 | balrog | s->ioaddr = s->io; |
283 | 3e3d5815 | balrog | s->iolen = 0;
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284 | 3e3d5815 | balrog | break;
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285 | 3e3d5815 | balrog | |
286 | 3e3d5815 | balrog | case NAND_CMD_PAGEPROGRAM2:
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287 | 3e3d5815 | balrog | if (s->wp) {
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288 | 3e3d5815 | balrog | s->blk_write(s); |
289 | 3e3d5815 | balrog | } |
290 | 3e3d5815 | balrog | break;
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291 | 3e3d5815 | balrog | |
292 | 3e3d5815 | balrog | case NAND_CMD_BLOCKERASE1:
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293 | 3e3d5815 | balrog | break;
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294 | 3e3d5815 | balrog | |
295 | 3e3d5815 | balrog | case NAND_CMD_BLOCKERASE2:
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296 | 3e3d5815 | balrog | if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP)
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297 | 3e3d5815 | balrog | s->addr <<= 16;
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298 | 3e3d5815 | balrog | else
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299 | 3e3d5815 | balrog | s->addr <<= 8;
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300 | 3e3d5815 | balrog | |
301 | 3e3d5815 | balrog | if (s->wp) {
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302 | 3e3d5815 | balrog | s->blk_erase(s); |
303 | 3e3d5815 | balrog | } |
304 | 3e3d5815 | balrog | break;
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305 | 3e3d5815 | balrog | |
306 | 3e3d5815 | balrog | case NAND_CMD_READSTATUS:
|
307 | 3e3d5815 | balrog | s->ioaddr = s->io; |
308 | 48197dfa | Juha Riihimäki | s->iolen = 0;
|
309 | 48197dfa | Juha Riihimäki | nand_pushio_byte(s, s->status); |
310 | 3e3d5815 | balrog | break;
|
311 | 3e3d5815 | balrog | |
312 | 3e3d5815 | balrog | default:
|
313 | 3e3d5815 | balrog | printf("%s: Unknown NAND command 0x%02x\n", __FUNCTION__, s->cmd);
|
314 | 3e3d5815 | balrog | } |
315 | 3e3d5815 | balrog | } |
316 | 3e3d5815 | balrog | |
317 | 7b9a3d86 | Juan Quintela | static void nand_pre_save(void *opaque) |
318 | aa941b94 | balrog | { |
319 | 7b9a3d86 | Juan Quintela | NANDFlashState *s = opaque; |
320 | 7b9a3d86 | Juan Quintela | |
321 | 7b9a3d86 | Juan Quintela | s->ioaddr_vmstate = s->ioaddr - s->io; |
322 | aa941b94 | balrog | } |
323 | aa941b94 | balrog | |
324 | 7b9a3d86 | Juan Quintela | static int nand_post_load(void *opaque, int version_id) |
325 | aa941b94 | balrog | { |
326 | 7b9a3d86 | Juan Quintela | NANDFlashState *s = opaque; |
327 | 7b9a3d86 | Juan Quintela | |
328 | 7b9a3d86 | Juan Quintela | if (s->ioaddr_vmstate > sizeof(s->io)) { |
329 | aa941b94 | balrog | return -EINVAL;
|
330 | 7b9a3d86 | Juan Quintela | } |
331 | 7b9a3d86 | Juan Quintela | s->ioaddr = s->io + s->ioaddr_vmstate; |
332 | aa941b94 | balrog | |
333 | aa941b94 | balrog | return 0; |
334 | aa941b94 | balrog | } |
335 | aa941b94 | balrog | |
336 | 7b9a3d86 | Juan Quintela | static const VMStateDescription vmstate_nand = { |
337 | 7b9a3d86 | Juan Quintela | .name = "nand",
|
338 | ac2466cd | Andrzej Zaborowski | .version_id = 1,
|
339 | ac2466cd | Andrzej Zaborowski | .minimum_version_id = 1,
|
340 | ac2466cd | Andrzej Zaborowski | .minimum_version_id_old = 1,
|
341 | 7b9a3d86 | Juan Quintela | .pre_save = nand_pre_save, |
342 | 7b9a3d86 | Juan Quintela | .post_load = nand_post_load, |
343 | 7b9a3d86 | Juan Quintela | .fields = (VMStateField[]) { |
344 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(cle, NANDFlashState), |
345 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(ale, NANDFlashState), |
346 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(ce, NANDFlashState), |
347 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(wp, NANDFlashState), |
348 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT8(gnd, NANDFlashState), |
349 | 7b9a3d86 | Juan Quintela | VMSTATE_BUFFER(io, NANDFlashState), |
350 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT32(ioaddr_vmstate, NANDFlashState), |
351 | 7b9a3d86 | Juan Quintela | VMSTATE_INT32(iolen, NANDFlashState), |
352 | 7b9a3d86 | Juan Quintela | VMSTATE_UINT32(cmd, NANDFlashState), |
353 | d5f2fd58 | Juha Riihimäki | VMSTATE_UINT64(addr, NANDFlashState), |
354 | 7b9a3d86 | Juan Quintela | VMSTATE_INT32(addrlen, NANDFlashState), |
355 | 7b9a3d86 | Juan Quintela | VMSTATE_INT32(status, NANDFlashState), |
356 | 7b9a3d86 | Juan Quintela | VMSTATE_INT32(offset, NANDFlashState), |
357 | 7b9a3d86 | Juan Quintela | /* XXX: do we want to save s->storage too? */
|
358 | 7b9a3d86 | Juan Quintela | VMSTATE_END_OF_LIST() |
359 | 7b9a3d86 | Juan Quintela | } |
360 | 7b9a3d86 | Juan Quintela | }; |
361 | 7b9a3d86 | Juan Quintela | |
362 | d4220389 | Juha Riihimäki | static int nand_device_init(SysBusDevice *dev) |
363 | d4220389 | Juha Riihimäki | { |
364 | d4220389 | Juha Riihimäki | int pagesize;
|
365 | d4220389 | Juha Riihimäki | NANDFlashState *s = FROM_SYSBUS(NANDFlashState, dev); |
366 | d4220389 | Juha Riihimäki | |
367 | d4220389 | Juha Riihimäki | s->buswidth = nand_flash_ids[s->chip_id].width >> 3;
|
368 | d4220389 | Juha Riihimäki | s->size = nand_flash_ids[s->chip_id].size << 20;
|
369 | d4220389 | Juha Riihimäki | if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
|
370 | d4220389 | Juha Riihimäki | s->page_shift = 11;
|
371 | d4220389 | Juha Riihimäki | s->erase_shift = 6;
|
372 | d4220389 | Juha Riihimäki | } else {
|
373 | d4220389 | Juha Riihimäki | s->page_shift = nand_flash_ids[s->chip_id].page_shift; |
374 | d4220389 | Juha Riihimäki | s->erase_shift = nand_flash_ids[s->chip_id].erase_shift; |
375 | d4220389 | Juha Riihimäki | } |
376 | d4220389 | Juha Riihimäki | |
377 | d4220389 | Juha Riihimäki | switch (1 << s->page_shift) { |
378 | d4220389 | Juha Riihimäki | case 256: |
379 | d4220389 | Juha Riihimäki | nand_init_256(s); |
380 | d4220389 | Juha Riihimäki | break;
|
381 | d4220389 | Juha Riihimäki | case 512: |
382 | d4220389 | Juha Riihimäki | nand_init_512(s); |
383 | d4220389 | Juha Riihimäki | break;
|
384 | d4220389 | Juha Riihimäki | case 2048: |
385 | d4220389 | Juha Riihimäki | nand_init_2048(s); |
386 | d4220389 | Juha Riihimäki | break;
|
387 | d4220389 | Juha Riihimäki | default:
|
388 | 3fc3abf7 | Juha Riihimäki | error_report("Unsupported NAND block size");
|
389 | 3fc3abf7 | Juha Riihimäki | return -1; |
390 | d4220389 | Juha Riihimäki | } |
391 | d4220389 | Juha Riihimäki | |
392 | d4220389 | Juha Riihimäki | pagesize = 1 << s->oob_shift;
|
393 | d4220389 | Juha Riihimäki | s->mem_oob = 1;
|
394 | 3fc3abf7 | Juha Riihimäki | if (s->bdrv) {
|
395 | 3fc3abf7 | Juha Riihimäki | if (bdrv_is_read_only(s->bdrv)) {
|
396 | 3fc3abf7 | Juha Riihimäki | error_report("Can't use a read-only drive");
|
397 | 3fc3abf7 | Juha Riihimäki | return -1; |
398 | 3fc3abf7 | Juha Riihimäki | } |
399 | 3fc3abf7 | Juha Riihimäki | if (bdrv_getlength(s->bdrv) >=
|
400 | 3fc3abf7 | Juha Riihimäki | (s->pages << s->page_shift) + (s->pages << s->oob_shift)) { |
401 | 3fc3abf7 | Juha Riihimäki | pagesize = 0;
|
402 | 3fc3abf7 | Juha Riihimäki | s->mem_oob = 0;
|
403 | 3fc3abf7 | Juha Riihimäki | } |
404 | 3fc3abf7 | Juha Riihimäki | } else {
|
405 | d4220389 | Juha Riihimäki | pagesize += 1 << s->page_shift;
|
406 | d4220389 | Juha Riihimäki | } |
407 | d4220389 | Juha Riihimäki | if (pagesize) {
|
408 | 7267c094 | Anthony Liguori | s->storage = (uint8_t *) memset(g_malloc(s->pages * pagesize), |
409 | d4220389 | Juha Riihimäki | 0xff, s->pages * pagesize);
|
410 | d4220389 | Juha Riihimäki | } |
411 | d4220389 | Juha Riihimäki | /* Give s->ioaddr a sane value in case we save state before it is used. */
|
412 | d4220389 | Juha Riihimäki | s->ioaddr = s->io; |
413 | d4220389 | Juha Riihimäki | |
414 | d4220389 | Juha Riihimäki | return 0; |
415 | d4220389 | Juha Riihimäki | } |
416 | d4220389 | Juha Riihimäki | |
417 | d4220389 | Juha Riihimäki | static SysBusDeviceInfo nand_info = {
|
418 | d4220389 | Juha Riihimäki | .init = nand_device_init, |
419 | d4220389 | Juha Riihimäki | .qdev.name = "nand",
|
420 | d4220389 | Juha Riihimäki | .qdev.size = sizeof(NANDFlashState),
|
421 | d4220389 | Juha Riihimäki | .qdev.reset = nand_reset, |
422 | d4220389 | Juha Riihimäki | .qdev.vmsd = &vmstate_nand, |
423 | d4220389 | Juha Riihimäki | .qdev.props = (Property[]) { |
424 | d4220389 | Juha Riihimäki | DEFINE_PROP_UINT8("manufacturer_id", NANDFlashState, manf_id, 0), |
425 | d4220389 | Juha Riihimäki | DEFINE_PROP_UINT8("chip_id", NANDFlashState, chip_id, 0), |
426 | d4220389 | Juha Riihimäki | DEFINE_PROP_DRIVE("drive", NANDFlashState, bdrv),
|
427 | d4220389 | Juha Riihimäki | DEFINE_PROP_END_OF_LIST() |
428 | d4220389 | Juha Riihimäki | } |
429 | d4220389 | Juha Riihimäki | }; |
430 | d4220389 | Juha Riihimäki | |
431 | d4220389 | Juha Riihimäki | static void nand_create_device(void) |
432 | d4220389 | Juha Riihimäki | { |
433 | d4220389 | Juha Riihimäki | sysbus_register_withprop(&nand_info); |
434 | d4220389 | Juha Riihimäki | } |
435 | d4220389 | Juha Riihimäki | |
436 | 3e3d5815 | balrog | /*
|
437 | 3e3d5815 | balrog | * Chip inputs are CLE, ALE, CE, WP, GND and eight I/O pins. Chip
|
438 | 3e3d5815 | balrog | * outputs are R/B and eight I/O pins.
|
439 | 3e3d5815 | balrog | *
|
440 | 3e3d5815 | balrog | * CE, WP and R/B are active low.
|
441 | 3e3d5815 | balrog | */
|
442 | d4220389 | Juha Riihimäki | void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale,
|
443 | 51db57f7 | Juan Quintela | uint8_t ce, uint8_t wp, uint8_t gnd) |
444 | 3e3d5815 | balrog | { |
445 | d4220389 | Juha Riihimäki | NANDFlashState *s = (NANDFlashState *) dev; |
446 | 3e3d5815 | balrog | s->cle = cle; |
447 | 3e3d5815 | balrog | s->ale = ale; |
448 | 3e3d5815 | balrog | s->ce = ce; |
449 | 3e3d5815 | balrog | s->wp = wp; |
450 | 3e3d5815 | balrog | s->gnd = gnd; |
451 | 3e3d5815 | balrog | if (wp)
|
452 | 3e3d5815 | balrog | s->status |= NAND_IOSTATUS_UNPROTCT; |
453 | 3e3d5815 | balrog | else
|
454 | 3e3d5815 | balrog | s->status &= ~NAND_IOSTATUS_UNPROTCT; |
455 | 3e3d5815 | balrog | } |
456 | 3e3d5815 | balrog | |
457 | d4220389 | Juha Riihimäki | void nand_getpins(DeviceState *dev, int *rb) |
458 | 3e3d5815 | balrog | { |
459 | 3e3d5815 | balrog | *rb = 1;
|
460 | 3e3d5815 | balrog | } |
461 | 3e3d5815 | balrog | |
462 | d4220389 | Juha Riihimäki | void nand_setio(DeviceState *dev, uint32_t value)
|
463 | 3e3d5815 | balrog | { |
464 | 48197dfa | Juha Riihimäki | int i;
|
465 | d4220389 | Juha Riihimäki | NANDFlashState *s = (NANDFlashState *) dev; |
466 | 3e3d5815 | balrog | if (!s->ce && s->cle) {
|
467 | 3e3d5815 | balrog | if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
|
468 | 3e3d5815 | balrog | if (s->cmd == NAND_CMD_READ0 && value == NAND_CMD_LPREAD2)
|
469 | 3e3d5815 | balrog | return;
|
470 | 3e3d5815 | balrog | if (value == NAND_CMD_RANDOMREAD1) {
|
471 | 3e3d5815 | balrog | s->addr &= ~((1 << s->addr_shift) - 1); |
472 | 3e3d5815 | balrog | s->addrlen = 0;
|
473 | 3e3d5815 | balrog | return;
|
474 | 3e3d5815 | balrog | } |
475 | 3e3d5815 | balrog | } |
476 | 3e3d5815 | balrog | if (value == NAND_CMD_READ0)
|
477 | 3e3d5815 | balrog | s->offset = 0;
|
478 | 3e3d5815 | balrog | else if (value == NAND_CMD_READ1) { |
479 | 3e3d5815 | balrog | s->offset = 0x100;
|
480 | 3e3d5815 | balrog | value = NAND_CMD_READ0; |
481 | 3e3d5815 | balrog | } |
482 | 3e3d5815 | balrog | else if (value == NAND_CMD_READ2) { |
483 | 3e3d5815 | balrog | s->offset = 1 << s->page_shift;
|
484 | 3e3d5815 | balrog | value = NAND_CMD_READ0; |
485 | 3e3d5815 | balrog | } |
486 | 3e3d5815 | balrog | |
487 | 3e3d5815 | balrog | s->cmd = value; |
488 | 3e3d5815 | balrog | |
489 | 3e3d5815 | balrog | if (s->cmd == NAND_CMD_READSTATUS ||
|
490 | 3e3d5815 | balrog | s->cmd == NAND_CMD_PAGEPROGRAM2 || |
491 | 3e3d5815 | balrog | s->cmd == NAND_CMD_BLOCKERASE1 || |
492 | 3e3d5815 | balrog | s->cmd == NAND_CMD_BLOCKERASE2 || |
493 | 3e3d5815 | balrog | s->cmd == NAND_CMD_NOSERIALREAD2 || |
494 | 3e3d5815 | balrog | s->cmd == NAND_CMD_RANDOMREAD2 || |
495 | 3e3d5815 | balrog | s->cmd == NAND_CMD_RESET) |
496 | 3e3d5815 | balrog | nand_command(s); |
497 | 3e3d5815 | balrog | |
498 | 3e3d5815 | balrog | if (s->cmd != NAND_CMD_RANDOMREAD2) {
|
499 | 3e3d5815 | balrog | s->addrlen = 0;
|
500 | 3e3d5815 | balrog | } |
501 | 3e3d5815 | balrog | } |
502 | 3e3d5815 | balrog | |
503 | 3e3d5815 | balrog | if (s->ale) {
|
504 | fccd2613 | Edgar E. Iglesias | unsigned int shift = s->addrlen * 8; |
505 | fccd2613 | Edgar E. Iglesias | unsigned int mask = ~(0xff << shift); |
506 | fccd2613 | Edgar E. Iglesias | unsigned int v = value << shift; |
507 | fccd2613 | Edgar E. Iglesias | |
508 | fccd2613 | Edgar E. Iglesias | s->addr = (s->addr & mask) | v; |
509 | 3e3d5815 | balrog | s->addrlen ++; |
510 | 3e3d5815 | balrog | |
511 | 48197dfa | Juha Riihimäki | switch (s->addrlen) {
|
512 | 48197dfa | Juha Riihimäki | case 1: |
513 | 48197dfa | Juha Riihimäki | if (s->cmd == NAND_CMD_READID) {
|
514 | 48197dfa | Juha Riihimäki | nand_command(s); |
515 | 48197dfa | Juha Riihimäki | } |
516 | 48197dfa | Juha Riihimäki | break;
|
517 | 48197dfa | Juha Riihimäki | case 2: /* fix cache address as a byte address */ |
518 | 48197dfa | Juha Riihimäki | s->addr <<= (s->buswidth - 1);
|
519 | 48197dfa | Juha Riihimäki | break;
|
520 | 48197dfa | Juha Riihimäki | case 3: |
521 | 48197dfa | Juha Riihimäki | if (!(nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
|
522 | 48197dfa | Juha Riihimäki | (s->cmd == NAND_CMD_READ0 || |
523 | 48197dfa | Juha Riihimäki | s->cmd == NAND_CMD_PAGEPROGRAM1)) { |
524 | 48197dfa | Juha Riihimäki | nand_command(s); |
525 | 48197dfa | Juha Riihimäki | } |
526 | 48197dfa | Juha Riihimäki | break;
|
527 | 48197dfa | Juha Riihimäki | case 4: |
528 | 48197dfa | Juha Riihimäki | if ((nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
|
529 | 48197dfa | Juha Riihimäki | nand_flash_ids[s->chip_id].size < 256 && /* 1Gb or less */ |
530 | 48197dfa | Juha Riihimäki | (s->cmd == NAND_CMD_READ0 || |
531 | 48197dfa | Juha Riihimäki | s->cmd == NAND_CMD_PAGEPROGRAM1)) { |
532 | 48197dfa | Juha Riihimäki | nand_command(s); |
533 | 48197dfa | Juha Riihimäki | } |
534 | 48197dfa | Juha Riihimäki | break;
|
535 | 48197dfa | Juha Riihimäki | case 5: |
536 | 48197dfa | Juha Riihimäki | if ((nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) &&
|
537 | 48197dfa | Juha Riihimäki | nand_flash_ids[s->chip_id].size >= 256 && /* 2Gb or more */ |
538 | 48197dfa | Juha Riihimäki | (s->cmd == NAND_CMD_READ0 || |
539 | 48197dfa | Juha Riihimäki | s->cmd == NAND_CMD_PAGEPROGRAM1)) { |
540 | 48197dfa | Juha Riihimäki | nand_command(s); |
541 | 48197dfa | Juha Riihimäki | } |
542 | 48197dfa | Juha Riihimäki | break;
|
543 | 48197dfa | Juha Riihimäki | default:
|
544 | 48197dfa | Juha Riihimäki | break;
|
545 | 48197dfa | Juha Riihimäki | } |
546 | 3e3d5815 | balrog | } |
547 | 3e3d5815 | balrog | |
548 | 3e3d5815 | balrog | if (!s->cle && !s->ale && s->cmd == NAND_CMD_PAGEPROGRAM1) {
|
549 | 48197dfa | Juha Riihimäki | if (s->iolen < (1 << s->page_shift) + (1 << s->oob_shift)) { |
550 | 48197dfa | Juha Riihimäki | for (i = s->buswidth; i--; value >>= 8) { |
551 | 48197dfa | Juha Riihimäki | s->io[s->iolen ++] = (uint8_t) (value & 0xff);
|
552 | 48197dfa | Juha Riihimäki | } |
553 | 48197dfa | Juha Riihimäki | } |
554 | 3e3d5815 | balrog | } else if (!s->cle && !s->ale && s->cmd == NAND_CMD_COPYBACKPRG1) { |
555 | 3e3d5815 | balrog | if ((s->addr & ((1 << s->addr_shift) - 1)) < |
556 | 3e3d5815 | balrog | (1 << s->page_shift) + (1 << s->oob_shift)) { |
557 | 48197dfa | Juha Riihimäki | for (i = s->buswidth; i--; s->addr++, value >>= 8) { |
558 | 48197dfa | Juha Riihimäki | s->io[s->iolen + (s->addr & ((1 << s->addr_shift) - 1))] = |
559 | 48197dfa | Juha Riihimäki | (uint8_t) (value & 0xff);
|
560 | 48197dfa | Juha Riihimäki | } |
561 | 3e3d5815 | balrog | } |
562 | 3e3d5815 | balrog | } |
563 | 3e3d5815 | balrog | } |
564 | 3e3d5815 | balrog | |
565 | d4220389 | Juha Riihimäki | uint32_t nand_getio(DeviceState *dev) |
566 | 3e3d5815 | balrog | { |
567 | 3e3d5815 | balrog | int offset;
|
568 | 48197dfa | Juha Riihimäki | uint32_t x = 0;
|
569 | d4220389 | Juha Riihimäki | NANDFlashState *s = (NANDFlashState *) dev; |
570 | 5fafdf24 | ths | |
571 | 3e3d5815 | balrog | /* Allow sequential reading */
|
572 | 3e3d5815 | balrog | if (!s->iolen && s->cmd == NAND_CMD_READ0) {
|
573 | d5f2fd58 | Juha Riihimäki | offset = (int) (s->addr & ((1 << s->addr_shift) - 1)) + s->offset; |
574 | 3e3d5815 | balrog | s->offset = 0;
|
575 | 3e3d5815 | balrog | |
576 | 3e3d5815 | balrog | s->blk_load(s, s->addr, offset); |
577 | 3e3d5815 | balrog | if (s->gnd)
|
578 | 3e3d5815 | balrog | s->iolen = (1 << s->page_shift) - offset;
|
579 | 3e3d5815 | balrog | else
|
580 | 3e3d5815 | balrog | s->iolen = (1 << s->page_shift) + (1 << s->oob_shift) - offset; |
581 | 3e3d5815 | balrog | } |
582 | 3e3d5815 | balrog | |
583 | 3e3d5815 | balrog | if (s->ce || s->iolen <= 0) |
584 | 3e3d5815 | balrog | return 0; |
585 | 3e3d5815 | balrog | |
586 | 48197dfa | Juha Riihimäki | for (offset = s->buswidth; offset--;) {
|
587 | 48197dfa | Juha Riihimäki | x |= s->ioaddr[offset] << (offset << 3);
|
588 | 48197dfa | Juha Riihimäki | } |
589 | d72245fb | Juha Riihimäki | /* after receiving READ STATUS command all subsequent reads will
|
590 | d72245fb | Juha Riihimäki | * return the status register value until another command is issued
|
591 | d72245fb | Juha Riihimäki | */
|
592 | d72245fb | Juha Riihimäki | if (s->cmd != NAND_CMD_READSTATUS) {
|
593 | d72245fb | Juha Riihimäki | s->addr += s->buswidth; |
594 | d72245fb | Juha Riihimäki | s->ioaddr += s->buswidth; |
595 | d72245fb | Juha Riihimäki | s->iolen -= s->buswidth; |
596 | d72245fb | Juha Riihimäki | } |
597 | 48197dfa | Juha Riihimäki | return x;
|
598 | 48197dfa | Juha Riihimäki | } |
599 | 48197dfa | Juha Riihimäki | |
600 | d4220389 | Juha Riihimäki | uint32_t nand_getbuswidth(DeviceState *dev) |
601 | 48197dfa | Juha Riihimäki | { |
602 | d4220389 | Juha Riihimäki | NANDFlashState *s = (NANDFlashState *) dev; |
603 | 48197dfa | Juha Riihimäki | return s->buswidth << 3; |
604 | 3e3d5815 | balrog | } |
605 | 3e3d5815 | balrog | |
606 | d4220389 | Juha Riihimäki | DeviceState *nand_init(BlockDriverState *bdrv, int manf_id, int chip_id) |
607 | 3e3d5815 | balrog | { |
608 | d4220389 | Juha Riihimäki | DeviceState *dev; |
609 | 3e3d5815 | balrog | |
610 | 3e3d5815 | balrog | if (nand_flash_ids[chip_id].size == 0) { |
611 | 2ac71179 | Paul Brook | hw_error("%s: Unsupported NAND chip ID.\n", __FUNCTION__);
|
612 | 3e3d5815 | balrog | } |
613 | d4220389 | Juha Riihimäki | dev = qdev_create(NULL, "nand"); |
614 | d4220389 | Juha Riihimäki | qdev_prop_set_uint8(dev, "manufacturer_id", manf_id);
|
615 | d4220389 | Juha Riihimäki | qdev_prop_set_uint8(dev, "chip_id", chip_id);
|
616 | d4220389 | Juha Riihimäki | if (bdrv) {
|
617 | d4220389 | Juha Riihimäki | qdev_prop_set_drive_nofail(dev, "drive", bdrv);
|
618 | 3e3d5815 | balrog | } |
619 | 3e3d5815 | balrog | |
620 | d4220389 | Juha Riihimäki | qdev_init_nofail(dev); |
621 | d4220389 | Juha Riihimäki | return dev;
|
622 | 3e3d5815 | balrog | } |
623 | 3e3d5815 | balrog | |
624 | d4220389 | Juha Riihimäki | device_init(nand_create_device) |
625 | 3e3d5815 | balrog | |
626 | 3e3d5815 | balrog | #else
|
627 | 3e3d5815 | balrog | |
628 | 3e3d5815 | balrog | /* Program a single page */
|
629 | bc24a225 | Paul Brook | static void glue(nand_blk_write_, PAGE_SIZE)(NANDFlashState *s) |
630 | 3e3d5815 | balrog | { |
631 | d5f2fd58 | Juha Riihimäki | uint64_t off, page, sector, soff; |
632 | 3e3d5815 | balrog | uint8_t iobuf[(PAGE_SECTORS + 2) * 0x200]; |
633 | 3e3d5815 | balrog | if (PAGE(s->addr) >= s->pages)
|
634 | 3e3d5815 | balrog | return;
|
635 | 3e3d5815 | balrog | |
636 | 3e3d5815 | balrog | if (!s->bdrv) {
|
637 | 89f640bc | Peter Maydell | mem_and(s->storage + PAGE_START(s->addr) + (s->addr & PAGE_MASK) + |
638 | 3e3d5815 | balrog | s->offset, s->io, s->iolen); |
639 | 3e3d5815 | balrog | } else if (s->mem_oob) { |
640 | 3e3d5815 | balrog | sector = SECTOR(s->addr); |
641 | 3e3d5815 | balrog | off = (s->addr & PAGE_MASK) + s->offset; |
642 | 3e3d5815 | balrog | soff = SECTOR_OFFSET(s->addr); |
643 | 3e3d5815 | balrog | if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS) == -1) { |
644 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", __func__, sector); |
645 | 3e3d5815 | balrog | return;
|
646 | 3e3d5815 | balrog | } |
647 | 3e3d5815 | balrog | |
648 | 89f640bc | Peter Maydell | mem_and(iobuf + (soff | off), s->io, MIN(s->iolen, PAGE_SIZE - off)); |
649 | 3e3d5815 | balrog | if (off + s->iolen > PAGE_SIZE) {
|
650 | 3e3d5815 | balrog | page = PAGE(s->addr); |
651 | 89f640bc | Peter Maydell | mem_and(s->storage + (page << OOB_SHIFT), s->io + PAGE_SIZE - off, |
652 | 3e3d5815 | balrog | MIN(OOB_SIZE, off + s->iolen - PAGE_SIZE)); |
653 | 3e3d5815 | balrog | } |
654 | 3e3d5815 | balrog | |
655 | 3e3d5815 | balrog | if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS) == -1) |
656 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, sector); |
657 | 3e3d5815 | balrog | } else {
|
658 | 3e3d5815 | balrog | off = PAGE_START(s->addr) + (s->addr & PAGE_MASK) + s->offset; |
659 | 3e3d5815 | balrog | sector = off >> 9;
|
660 | 3e3d5815 | balrog | soff = off & 0x1ff;
|
661 | 3e3d5815 | balrog | if (bdrv_read(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) == -1) { |
662 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", __func__, sector); |
663 | 3e3d5815 | balrog | return;
|
664 | 3e3d5815 | balrog | } |
665 | 3e3d5815 | balrog | |
666 | 89f640bc | Peter Maydell | mem_and(iobuf + soff, s->io, s->iolen); |
667 | 3e3d5815 | balrog | |
668 | 3e3d5815 | balrog | if (bdrv_write(s->bdrv, sector, iobuf, PAGE_SECTORS + 2) == -1) |
669 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, sector); |
670 | 3e3d5815 | balrog | } |
671 | 3e3d5815 | balrog | s->offset = 0;
|
672 | 3e3d5815 | balrog | } |
673 | 3e3d5815 | balrog | |
674 | 3e3d5815 | balrog | /* Erase a single block */
|
675 | bc24a225 | Paul Brook | static void glue(nand_blk_erase_, PAGE_SIZE)(NANDFlashState *s) |
676 | 3e3d5815 | balrog | { |
677 | d5f2fd58 | Juha Riihimäki | uint64_t i, page, addr; |
678 | 3e3d5815 | balrog | uint8_t iobuf[0x200] = { [0 ... 0x1ff] = 0xff, }; |
679 | 3e3d5815 | balrog | addr = s->addr & ~((1 << (ADDR_SHIFT + s->erase_shift)) - 1); |
680 | 3e3d5815 | balrog | |
681 | 3e3d5815 | balrog | if (PAGE(addr) >= s->pages)
|
682 | 3e3d5815 | balrog | return;
|
683 | 3e3d5815 | balrog | |
684 | 3e3d5815 | balrog | if (!s->bdrv) {
|
685 | 3e3d5815 | balrog | memset(s->storage + PAGE_START(addr), |
686 | 3e3d5815 | balrog | 0xff, (PAGE_SIZE + OOB_SIZE) << s->erase_shift);
|
687 | 3e3d5815 | balrog | } else if (s->mem_oob) { |
688 | 3e3d5815 | balrog | memset(s->storage + (PAGE(addr) << OOB_SHIFT), |
689 | 3e3d5815 | balrog | 0xff, OOB_SIZE << s->erase_shift);
|
690 | 3e3d5815 | balrog | i = SECTOR(addr); |
691 | 3e3d5815 | balrog | page = SECTOR(addr + (ADDR_SHIFT + s->erase_shift)); |
692 | 3e3d5815 | balrog | for (; i < page; i ++)
|
693 | 3e3d5815 | balrog | if (bdrv_write(s->bdrv, i, iobuf, 1) == -1) |
694 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, i); |
695 | 3e3d5815 | balrog | } else {
|
696 | 3e3d5815 | balrog | addr = PAGE_START(addr); |
697 | 3e3d5815 | balrog | page = addr >> 9;
|
698 | 3e3d5815 | balrog | if (bdrv_read(s->bdrv, page, iobuf, 1) == -1) |
699 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", __func__, page); |
700 | 3e3d5815 | balrog | memset(iobuf + (addr & 0x1ff), 0xff, (~addr & 0x1ff) + 1); |
701 | 3e3d5815 | balrog | if (bdrv_write(s->bdrv, page, iobuf, 1) == -1) |
702 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, page); |
703 | 3e3d5815 | balrog | |
704 | 3e3d5815 | balrog | memset(iobuf, 0xff, 0x200); |
705 | 3e3d5815 | balrog | i = (addr & ~0x1ff) + 0x200; |
706 | 3e3d5815 | balrog | for (addr += ((PAGE_SIZE + OOB_SIZE) << s->erase_shift) - 0x200; |
707 | 3e3d5815 | balrog | i < addr; i += 0x200)
|
708 | 3e3d5815 | balrog | if (bdrv_write(s->bdrv, i >> 9, iobuf, 1) == -1) |
709 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", |
710 | d5f2fd58 | Juha Riihimäki | __func__, i >> 9);
|
711 | 3e3d5815 | balrog | |
712 | 3e3d5815 | balrog | page = i >> 9;
|
713 | 3e3d5815 | balrog | if (bdrv_read(s->bdrv, page, iobuf, 1) == -1) |
714 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", __func__, page); |
715 | a07dec22 | balrog | memset(iobuf, 0xff, ((addr - 1) & 0x1ff) + 1); |
716 | 3e3d5815 | balrog | if (bdrv_write(s->bdrv, page, iobuf, 1) == -1) |
717 | d5f2fd58 | Juha Riihimäki | printf("%s: write error in sector %" PRIu64 "\n", __func__, page); |
718 | 3e3d5815 | balrog | } |
719 | 3e3d5815 | balrog | } |
720 | 3e3d5815 | balrog | |
721 | bc24a225 | Paul Brook | static void glue(nand_blk_load_, PAGE_SIZE)(NANDFlashState *s, |
722 | d5f2fd58 | Juha Riihimäki | uint64_t addr, int offset)
|
723 | 3e3d5815 | balrog | { |
724 | 3e3d5815 | balrog | if (PAGE(addr) >= s->pages)
|
725 | 3e3d5815 | balrog | return;
|
726 | 3e3d5815 | balrog | |
727 | 3e3d5815 | balrog | if (s->bdrv) {
|
728 | 3e3d5815 | balrog | if (s->mem_oob) {
|
729 | 3e3d5815 | balrog | if (bdrv_read(s->bdrv, SECTOR(addr), s->io, PAGE_SECTORS) == -1) |
730 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", |
731 | d5f2fd58 | Juha Riihimäki | __func__, SECTOR(addr)); |
732 | 3e3d5815 | balrog | memcpy(s->io + SECTOR_OFFSET(s->addr) + PAGE_SIZE, |
733 | 3e3d5815 | balrog | s->storage + (PAGE(s->addr) << OOB_SHIFT), |
734 | 3e3d5815 | balrog | OOB_SIZE); |
735 | 3e3d5815 | balrog | s->ioaddr = s->io + SECTOR_OFFSET(s->addr) + offset; |
736 | 3e3d5815 | balrog | } else {
|
737 | 3e3d5815 | balrog | if (bdrv_read(s->bdrv, PAGE_START(addr) >> 9, |
738 | 3e3d5815 | balrog | s->io, (PAGE_SECTORS + 2)) == -1) |
739 | d5f2fd58 | Juha Riihimäki | printf("%s: read error in sector %" PRIu64 "\n", |
740 | d5f2fd58 | Juha Riihimäki | __func__, PAGE_START(addr) >> 9);
|
741 | 3e3d5815 | balrog | s->ioaddr = s->io + (PAGE_START(addr) & 0x1ff) + offset;
|
742 | 3e3d5815 | balrog | } |
743 | 3e3d5815 | balrog | } else {
|
744 | 3e3d5815 | balrog | memcpy(s->io, s->storage + PAGE_START(s->addr) + |
745 | 3e3d5815 | balrog | offset, PAGE_SIZE + OOB_SIZE - offset); |
746 | 3e3d5815 | balrog | s->ioaddr = s->io; |
747 | 3e3d5815 | balrog | } |
748 | 3e3d5815 | balrog | } |
749 | 3e3d5815 | balrog | |
750 | bc24a225 | Paul Brook | static void glue(nand_init_, PAGE_SIZE)(NANDFlashState *s) |
751 | 3e3d5815 | balrog | { |
752 | 3e3d5815 | balrog | s->oob_shift = PAGE_SHIFT - 5;
|
753 | 3e3d5815 | balrog | s->pages = s->size >> PAGE_SHIFT; |
754 | 3e3d5815 | balrog | s->addr_shift = ADDR_SHIFT; |
755 | 3e3d5815 | balrog | |
756 | 3e3d5815 | balrog | s->blk_erase = glue(nand_blk_erase_, PAGE_SIZE); |
757 | 3e3d5815 | balrog | s->blk_write = glue(nand_blk_write_, PAGE_SIZE); |
758 | 3e3d5815 | balrog | s->blk_load = glue(nand_blk_load_, PAGE_SIZE); |
759 | 3e3d5815 | balrog | } |
760 | 3e3d5815 | balrog | |
761 | 3e3d5815 | balrog | # undef PAGE_SIZE
|
762 | 3e3d5815 | balrog | # undef PAGE_SHIFT
|
763 | 3e3d5815 | balrog | # undef PAGE_SECTORS
|
764 | 3e3d5815 | balrog | # undef ADDR_SHIFT
|
765 | 3e3d5815 | balrog | #endif /* NAND_IO */ |