1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* Copyright (c) 2026-present Eclipse ThreadX contributors |
4 |
|
|
* |
5 |
|
|
* This program and the accompanying materials are made available under the |
6 |
|
|
* terms of the MIT License which is available at |
7 |
|
|
* https://opensource.org/licenses/MIT. |
8 |
|
|
* |
9 |
|
|
* SPDX-License-Identifier: MIT |
10 |
|
|
**************************************************************************/ |
11 |
|
|
|
12 |
|
|
|
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/**************************************************************************/ |
15 |
|
|
/** */ |
16 |
|
|
/** LevelX Component */ |
17 |
|
|
/** */ |
18 |
|
|
/** NAND Flash Simulator */ |
19 |
|
|
/** */ |
20 |
|
|
/**************************************************************************/ |
21 |
|
|
/**************************************************************************/ |
22 |
|
|
|
23 |
|
|
|
24 |
|
|
/* Include necessary files. */ |
25 |
|
|
|
26 |
|
|
#include "lx_api.h" |
27 |
|
|
|
28 |
|
|
/* Define constants for the NAND flash simulation. */ |
29 |
|
|
|
30 |
|
|
#define TOTAL_BLOCKS 1024 |
31 |
|
|
#define PHYSICAL_PAGES_PER_BLOCK 256 /* Min value of 2 */ |
32 |
|
|
#define BYTES_PER_PHYSICAL_PAGE 512 /* 512 bytes per page */ |
33 |
|
|
#define WORDS_PER_PHYSICAL_PAGE 512 / 4 /* Words per page */ |
34 |
|
|
#define SPARE_BYTES_PER_PAGE 16 /* 16 "spare" bytes per page */ |
35 |
|
|
/* For 2048 byte block spare area: */ |
36 |
|
|
#define BAD_BLOCK_POSITION 0 /* 0 is the bad block byte postion */ |
37 |
|
|
#define EXTRA_BYTE_POSITION 0 /* 0 is the extra bytes starting byte postion */ |
38 |
|
|
#define ECC_BYTE_POSITION 8 /* 8 is the ECC starting byte position */ |
39 |
|
|
#define SPARE_DATA1_OFFSET 4 |
40 |
|
|
#define SPARE_DATA1_LENGTH 4 |
41 |
|
|
#define SPARE_DATA2_OFFSET 2 |
42 |
|
|
#define SPARE_DATA2_LENGTH 2 |
43 |
|
|
|
44 |
|
|
|
45 |
|
|
|
46 |
|
|
/* Definition of the spare area is relative to the block size of the NAND part and perhaps manufactures of the NAND part. |
47 |
|
|
Here are some common definitions: |
48 |
|
|
|
49 |
|
|
256 Byte Block |
50 |
|
|
|
51 |
|
|
Bytes Meaning |
52 |
|
|
|
53 |
|
|
0,1,2 ECC bytes |
54 |
|
|
3,4,6,7 Extra |
55 |
|
|
5 Bad block flag |
56 |
|
|
|
57 |
|
|
512 Byte Block |
58 |
|
|
|
59 |
|
|
Bytes Meaning |
60 |
|
|
|
61 |
|
|
0,1,2,3,6,7 ECC bytes |
62 |
|
|
8-15 Extra |
63 |
|
|
5 Bad block flag |
64 |
|
|
|
65 |
|
|
2048 Byte Block |
66 |
|
|
|
67 |
|
|
Bytes Meaning |
68 |
|
|
|
69 |
|
|
0 Bad block flag |
70 |
|
|
2-39 Extra |
71 |
|
|
40-63 ECC bytes |
72 |
|
|
*/ |
73 |
|
|
|
74 |
|
|
|
75 |
|
|
typedef struct PHYSICAL_PAGE_STRUCT |
76 |
|
|
{ |
77 |
|
|
unsigned long memory[WORDS_PER_PHYSICAL_PAGE]; |
78 |
|
|
unsigned char spare[SPARE_BYTES_PER_PAGE]; |
79 |
|
|
} PHYSICAL_PAGE; |
80 |
|
|
|
81 |
|
|
typedef struct NAND_BLOCK_DIAG_STRUCT |
82 |
|
|
{ |
83 |
|
|
unsigned long erases; |
84 |
|
|
unsigned long page_writes[PHYSICAL_PAGES_PER_BLOCK]; |
85 |
|
|
unsigned long max_page_writes[PHYSICAL_PAGES_PER_BLOCK]; |
86 |
|
|
} NAND_BLOCK_DIAG; |
87 |
|
|
|
88 |
|
|
|
89 |
|
|
|
90 |
|
|
|
91 |
|
|
typedef struct NAND_FLASH_BLOCK_STRUCT |
92 |
|
|
{ |
93 |
|
|
PHYSICAL_PAGE physical_pages[PHYSICAL_PAGES_PER_BLOCK]; |
94 |
|
|
} NAND_FLASH_BLOCK; |
95 |
|
|
|
96 |
|
|
NAND_FLASH_BLOCK nand_memory_area[TOTAL_BLOCKS]; |
97 |
|
|
|
98 |
|
|
NAND_BLOCK_DIAG nand_block_diag[TOTAL_BLOCKS]; |
99 |
|
|
|
100 |
|
|
|
101 |
|
|
/* Define NAND flash buffer for LevelX. */ |
102 |
|
|
|
103 |
|
|
ULONG nand_flash_simulator_buffer[WORDS_PER_PHYSICAL_PAGE]; |
104 |
|
|
ULONG *nand_flash_memory; |
105 |
|
|
|
106 |
|
|
|
107 |
|
|
UINT _lx_nand_flash_simulator_initialize(LX_NAND_FLASH *nand_flash); |
108 |
|
|
UINT _lx_nand_flash_simulator_erase_all(VOID); |
109 |
|
|
|
110 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
111 |
|
|
UINT _lx_nand_flash_simulator_read(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, ULONG *destination, ULONG words); |
112 |
|
|
UINT _lx_nand_flash_simulator_write(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, ULONG *source, ULONG words); |
113 |
|
|
UINT _lx_nand_flash_simulator_block_erase(LX_NAND_FLASH *nand_flash, ULONG block, ULONG erase_count); |
114 |
|
|
UINT _lx_nand_flash_simulator_block_erased_verify(LX_NAND_FLASH *nand_flash, ULONG block); |
115 |
|
|
UINT _lx_nand_flash_simulator_page_erased_verify(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page); |
116 |
|
|
UINT _lx_nand_flash_simulator_block_status_get(LX_NAND_FLASH *nand_flash, ULONG block, UCHAR *bad_block_byte); |
117 |
|
|
UINT _lx_nand_flash_simulator_block_status_set(LX_NAND_FLASH *nand_flash, ULONG block, UCHAR bad_block_byte); |
118 |
|
|
UINT _lx_nand_flash_simulator_extra_bytes_get(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR *destination, UINT size); |
119 |
|
|
UINT _lx_nand_flash_simulator_extra_bytes_set(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR *source, UINT size); |
120 |
|
|
UINT _lx_nand_flash_simulator_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page); |
121 |
|
|
|
122 |
|
|
UINT _lx_nand_flash_simulator_pages_read(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages); |
123 |
|
|
UINT _lx_nand_flash_simulator_pages_write(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages); |
124 |
|
|
UINT _lx_nand_flash_simulator_pages_copy(LX_NAND_FLASH *nand_flash, ULONG source_block, ULONG source_page, ULONG destination_block, ULONG destination_page, ULONG pages, UCHAR* data_buffer); |
125 |
|
|
#else |
126 |
|
|
UINT _lx_nand_flash_simulator_read(ULONG block, ULONG page, ULONG *destination, ULONG words); |
127 |
|
|
UINT _lx_nand_flash_simulator_write(ULONG block, ULONG page, ULONG *source, ULONG words); |
128 |
|
|
UINT _lx_nand_flash_simulator_block_erase(ULONG block, ULONG erase_count); |
129 |
|
|
UINT _lx_nand_flash_simulator_block_erased_verify(ULONG block); |
130 |
|
|
UINT _lx_nand_flash_simulator_page_erased_verify(ULONG block, ULONG page); |
131 |
|
|
UINT _lx_nand_flash_simulator_block_status_get(ULONG block, UCHAR *bad_block_byte); |
132 |
|
|
UINT _lx_nand_flash_simulator_block_status_set(ULONG block, UCHAR bad_block_byte); |
133 |
|
|
UINT _lx_nand_flash_simulator_extra_bytes_get(ULONG block, ULONG page, UCHAR *destination, UINT size); |
134 |
|
|
UINT _lx_nand_flash_simulator_extra_bytes_set(ULONG block, ULONG page, UCHAR *source, UINT size); |
135 |
|
|
UINT _lx_nand_flash_simulator_system_error(UINT error_code, ULONG block, ULONG page); |
136 |
|
|
|
137 |
|
|
UINT _lx_nand_flash_simulator_pages_read(ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages); |
138 |
|
|
UINT _lx_nand_flash_simulator_pages_write(ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages); |
139 |
|
|
UINT _lx_nand_flash_simulator_pages_copy(ULONG source_block, ULONG source_page, ULONG destination_block, ULONG destination_page, ULONG pages, UCHAR* data_buffer); |
140 |
|
|
#endif |
141 |
|
|
UINT _lx_nand_flash_simulator_page_ecc_check(ULONG block, ULONG page); |
142 |
|
|
|
143 |
|
9 |
UINT _lx_nand_flash_simulator_initialize(LX_NAND_FLASH *nand_flash) |
144 |
|
|
{ |
145 |
|
|
|
146 |
|
|
/* Setup the buffer pointer. */ |
147 |
|
9 |
nand_flash_memory = (ULONG *) &nand_memory_area[0]; |
148 |
|
|
|
149 |
|
|
/* Setup geometry of the NAND flash. */ |
150 |
|
9 |
nand_flash -> lx_nand_flash_total_blocks = TOTAL_BLOCKS; |
151 |
|
9 |
nand_flash -> lx_nand_flash_pages_per_block = PHYSICAL_PAGES_PER_BLOCK; |
152 |
|
9 |
nand_flash -> lx_nand_flash_bytes_per_page = BYTES_PER_PHYSICAL_PAGE; |
153 |
|
|
|
154 |
|
|
/* Setup function pointers for the NAND flash services. */ |
155 |
|
9 |
nand_flash -> lx_nand_flash_driver_read = _lx_nand_flash_simulator_read; |
156 |
|
9 |
nand_flash -> lx_nand_flash_driver_write = _lx_nand_flash_simulator_write; |
157 |
|
9 |
nand_flash -> lx_nand_flash_driver_block_erase = _lx_nand_flash_simulator_block_erase; |
158 |
|
9 |
nand_flash -> lx_nand_flash_driver_block_erased_verify = _lx_nand_flash_simulator_block_erased_verify; |
159 |
|
9 |
nand_flash -> lx_nand_flash_driver_page_erased_verify = _lx_nand_flash_simulator_page_erased_verify; |
160 |
|
9 |
nand_flash -> lx_nand_flash_driver_block_status_get = _lx_nand_flash_simulator_block_status_get; |
161 |
|
9 |
nand_flash -> lx_nand_flash_driver_block_status_set = _lx_nand_flash_simulator_block_status_set; |
162 |
|
9 |
nand_flash -> lx_nand_flash_driver_extra_bytes_get = _lx_nand_flash_simulator_extra_bytes_get; |
163 |
|
9 |
nand_flash -> lx_nand_flash_driver_extra_bytes_set = _lx_nand_flash_simulator_extra_bytes_set; |
164 |
|
9 |
nand_flash -> lx_nand_flash_driver_system_error = _lx_nand_flash_simulator_system_error; |
165 |
|
|
|
166 |
|
9 |
nand_flash -> lx_nand_flash_driver_pages_read = _lx_nand_flash_simulator_pages_read; |
167 |
|
9 |
nand_flash -> lx_nand_flash_driver_pages_write = _lx_nand_flash_simulator_pages_write; |
168 |
|
9 |
nand_flash -> lx_nand_flash_driver_pages_copy = _lx_nand_flash_simulator_pages_copy; |
169 |
|
|
|
170 |
|
9 |
nand_flash -> lx_nand_flash_spare_data1_offset = SPARE_DATA1_OFFSET; |
171 |
|
9 |
nand_flash -> lx_nand_flash_spare_data1_length = SPARE_DATA1_LENGTH; |
172 |
|
|
|
173 |
|
9 |
nand_flash -> lx_nand_flash_spare_data2_offset = SPARE_DATA2_OFFSET; |
174 |
|
9 |
nand_flash -> lx_nand_flash_spare_data2_length = SPARE_DATA2_LENGTH; |
175 |
|
|
|
176 |
|
9 |
nand_flash -> lx_nand_flash_spare_total_length = SPARE_BYTES_PER_PAGE; |
177 |
|
|
|
178 |
|
|
/* Return success. */ |
179 |
|
9 |
return(LX_SUCCESS); |
180 |
|
|
} |
181 |
|
295282 |
UINT _lx_nand_flash_simulator_page_ecc_check(ULONG block, ULONG page) |
182 |
|
|
{ |
183 |
|
|
|
184 |
|
|
UINT i; |
185 |
|
295282 |
INT ecc_pos = 0; |
186 |
|
295282 |
UINT ecc_status = LX_SUCCESS; |
187 |
|
|
UINT status; |
188 |
|
|
|
189 |
|
|
|
190 |
✓✓ |
885846 |
for (i = 0; i < BYTES_PER_PHYSICAL_PAGE; i += 256) |
191 |
|
|
{ |
192 |
|
590564 |
status = lx_nand_flash_256byte_ecc_check((UCHAR*)&nand_memory_area[block].physical_pages[page].memory[i / sizeof(ULONG)], |
193 |
|
590564 |
&nand_memory_area[block].physical_pages[page].spare[ECC_BYTE_POSITION + ecc_pos]); |
194 |
|
|
|
195 |
✗✓ |
590564 |
if (status == LX_NAND_ERROR_NOT_CORRECTED) |
196 |
|
|
{ |
197 |
|
|
ecc_status = LX_NAND_ERROR_NOT_CORRECTED; |
198 |
|
|
break; |
199 |
|
|
} |
200 |
✗✓ |
590564 |
else if (status == LX_NAND_ERROR_CORRECTED) |
201 |
|
|
{ |
202 |
|
|
ecc_status = LX_NAND_ERROR_CORRECTED; |
203 |
|
|
} |
204 |
|
|
|
205 |
|
590564 |
ecc_pos += 3; |
206 |
|
|
} |
207 |
|
|
|
208 |
✗✓ |
295282 |
if (ecc_status == LX_NAND_ERROR_CORRECTED) |
209 |
|
|
{ |
210 |
|
|
|
211 |
|
|
return(LX_ERROR); |
212 |
|
|
} |
213 |
✗✓ |
295282 |
else if (ecc_status == LX_NAND_ERROR_NOT_CORRECTED) |
214 |
|
|
{ |
215 |
|
|
|
216 |
|
|
return(LX_ERROR); |
217 |
|
|
} |
218 |
|
295282 |
return ecc_status; |
219 |
|
|
} |
220 |
|
|
|
221 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
222 |
|
|
UINT _lx_nand_flash_simulator_read(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, ULONG *destination, ULONG words) |
223 |
|
|
#else |
224 |
|
295282 |
UINT _lx_nand_flash_simulator_read(ULONG block, ULONG page, ULONG *destination, ULONG words) |
225 |
|
|
#endif |
226 |
|
|
{ |
227 |
|
|
|
228 |
|
|
ULONG *flash_address; |
229 |
|
|
UINT status; |
230 |
|
|
|
231 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
232 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
233 |
|
|
#endif |
234 |
|
|
|
235 |
|
295282 |
status = _lx_nand_flash_simulator_page_ecc_check(block, page); |
236 |
|
|
|
237 |
|
|
/* Pickup the flash address. */ |
238 |
|
295282 |
flash_address = &(nand_memory_area[block].physical_pages[page].memory[0]); |
239 |
|
|
|
240 |
|
|
/* Loop to read flash. */ |
241 |
✓✓ |
38091378 |
while (words--) |
242 |
|
|
{ |
243 |
|
|
/* Copy word. */ |
244 |
|
37796096 |
*destination++ = *flash_address++; |
245 |
|
|
} |
246 |
|
|
|
247 |
|
295282 |
return(status); |
248 |
|
|
} |
249 |
|
|
|
250 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
251 |
|
|
UINT _lx_nand_flash_simulator_pages_read(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages) |
252 |
|
|
#else |
253 |
|
1407715 |
UINT _lx_nand_flash_simulator_pages_read(ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages) |
254 |
|
|
#endif |
255 |
|
|
{ |
256 |
|
|
|
257 |
|
|
UINT i; |
258 |
|
|
UINT status; |
259 |
|
1407715 |
UINT ecc_status = LX_SUCCESS; |
260 |
|
|
|
261 |
|
|
|
262 |
✓✓ |
2815430 |
for (i = 0; i < pages; i++) |
263 |
|
|
{ |
264 |
✓✓ |
1407715 |
if (main_buffer) |
265 |
|
|
{ |
266 |
|
|
|
267 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
268 |
|
|
status = _lx_nand_flash_simulator_read(nand_flash, block, page + i, (ULONG*)(main_buffer + i * BYTES_PER_PHYSICAL_PAGE), WORDS_PER_PHYSICAL_PAGE); |
269 |
|
|
#else |
270 |
|
295282 |
status = _lx_nand_flash_simulator_read(block, page + i, (ULONG*)(main_buffer + i * BYTES_PER_PHYSICAL_PAGE), WORDS_PER_PHYSICAL_PAGE); |
271 |
|
|
#endif |
272 |
✗✓ |
295282 |
if (status == LX_NAND_ERROR_CORRECTED) |
273 |
|
|
{ |
274 |
|
|
ecc_status = LX_NAND_ERROR_CORRECTED; |
275 |
|
|
} |
276 |
✗✓ |
295282 |
else if (status == LX_NAND_ERROR_NOT_CORRECTED) |
277 |
|
|
{ |
278 |
|
|
ecc_status = LX_ERROR; |
279 |
|
|
break; |
280 |
|
|
} |
281 |
|
|
} |
282 |
|
|
|
283 |
✓✓ |
1407715 |
if (spare_buffer) |
284 |
|
|
{ |
285 |
|
|
|
286 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
287 |
|
|
status = _lx_nand_flash_simulator_extra_bytes_get(nand_flash, block, page + i, spare_buffer + i * SPARE_BYTES_PER_PAGE, SPARE_BYTES_PER_PAGE); |
288 |
|
|
#else |
289 |
|
1406699 |
status = _lx_nand_flash_simulator_extra_bytes_get(block, page + i, spare_buffer + i * SPARE_BYTES_PER_PAGE, SPARE_BYTES_PER_PAGE); |
290 |
|
|
#endif |
291 |
|
|
} |
292 |
|
|
} |
293 |
|
1407715 |
return (ecc_status); |
294 |
|
|
} |
295 |
|
|
|
296 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
297 |
|
|
UINT _lx_nand_flash_simulator_write(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, ULONG *source, ULONG words) |
298 |
|
|
#else |
299 |
|
396827 |
UINT _lx_nand_flash_simulator_write(ULONG block, ULONG page, ULONG *source, ULONG words) |
300 |
|
|
#endif |
301 |
|
|
{ |
302 |
|
|
|
303 |
|
|
ULONG *flash_address; |
304 |
|
|
UCHAR *flash_spare_address; |
305 |
|
|
UINT bytes_computed; |
306 |
|
396827 |
UINT ecc_bytes =0; |
307 |
|
|
UCHAR new_ecc_buffer[24]; |
308 |
|
396827 |
UCHAR *new_ecc_buffer_ptr = new_ecc_buffer; |
309 |
|
396827 |
UCHAR *ecc_buffer_ptr = new_ecc_buffer_ptr; |
310 |
|
396827 |
ULONG *page_ptr = &(nand_memory_area[block].physical_pages[page].memory[0]); |
311 |
|
|
|
312 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
313 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
314 |
|
|
#endif |
315 |
|
|
|
316 |
|
|
/* Increment the diag info. */ |
317 |
|
396827 |
nand_block_diag[block].page_writes[page]++; |
318 |
✓✓ |
396827 |
if (nand_block_diag[block].page_writes[page] > nand_block_diag[block].max_page_writes[page]) |
319 |
|
252824 |
nand_block_diag[block].max_page_writes[page] = nand_block_diag[block].page_writes[page]; |
320 |
|
|
|
321 |
|
|
/* Pickup the flash address. */ |
322 |
|
396827 |
flash_address = &(nand_memory_area[block].physical_pages[page].memory[0]); |
323 |
|
|
|
324 |
|
|
/* Loop to write flash. */ |
325 |
✓✓ |
51190683 |
while (words--) |
326 |
|
|
{ |
327 |
|
|
|
328 |
|
|
/* Can the word be written? We can clear new bits, but just can't unclear |
329 |
|
|
in a NAND device. */ |
330 |
✗✓ |
50793856 |
if ((*source & *flash_address) != *source) |
331 |
|
|
return(LX_INVALID_WRITE); |
332 |
|
|
|
333 |
|
|
/* Copy word. */ |
334 |
|
50793856 |
*flash_address++ = *source++; |
335 |
|
|
} |
336 |
|
|
|
337 |
|
|
/* Loop to compute the ECC over the entire NAND flash page. */ |
338 |
|
396827 |
bytes_computed = 0; |
339 |
|
|
|
340 |
✓✓ |
1190481 |
while (bytes_computed < BYTES_PER_PHYSICAL_PAGE) |
341 |
|
|
{ |
342 |
|
|
|
343 |
|
|
/* Compute the ECC for this 256 byte piece of the page. */ |
344 |
|
793654 |
_lx_nand_flash_256byte_ecc_compute((UCHAR *)page_ptr, (UCHAR *)new_ecc_buffer_ptr); |
345 |
|
|
|
346 |
|
|
/* Move to the next 256 byte portion of the page. */ |
347 |
|
793654 |
bytes_computed = bytes_computed + 256; |
348 |
|
|
|
349 |
|
|
/* Move the page buffer forward. */ |
350 |
|
793654 |
page_ptr = page_ptr + 64; |
351 |
|
|
|
352 |
|
793654 |
ecc_bytes = ecc_bytes + 3; |
353 |
|
|
|
354 |
|
|
/* Move the ECC buffer forward, note there are 3 bytes of ECC per page. */ |
355 |
|
793654 |
new_ecc_buffer_ptr = new_ecc_buffer_ptr + 3; |
356 |
|
|
} |
357 |
|
|
|
358 |
|
|
/* Setup destination pointer in the spare area. */ |
359 |
|
396827 |
flash_spare_address = (UCHAR *) &(nand_memory_area[block].physical_pages[page].spare[ECC_BYTE_POSITION]); |
360 |
✓✓ |
2777789 |
while(ecc_bytes--) |
361 |
|
|
{ |
362 |
|
|
|
363 |
|
|
/* Can the word be written? We can clear new bits, but just can't unclear |
364 |
|
|
in a NAND device. */ |
365 |
✗✓ |
2380962 |
if ((*ecc_buffer_ptr & *flash_spare_address) != *ecc_buffer_ptr) |
366 |
|
|
return(LX_INVALID_WRITE); |
367 |
|
|
|
368 |
|
|
/* Set an ecc byte in the spare area. */ |
369 |
|
2380962 |
*flash_spare_address++ = *ecc_buffer_ptr++; |
370 |
|
|
|
371 |
|
|
} |
372 |
|
396827 |
return(LX_SUCCESS); |
373 |
|
|
} |
374 |
|
|
|
375 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
376 |
|
|
UINT _lx_nand_flash_simulator_pages_write(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages) |
377 |
|
|
#else |
378 |
|
396827 |
UINT _lx_nand_flash_simulator_pages_write(ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages) |
379 |
|
|
#endif |
380 |
|
|
{ |
381 |
|
|
|
382 |
|
|
UINT i; |
383 |
|
396827 |
UINT status = LX_SUCCESS; |
384 |
|
|
|
385 |
|
|
|
386 |
✓✓ |
793654 |
for (i = 0; i < pages; i++) |
387 |
|
|
{ |
388 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
389 |
|
|
_lx_nand_flash_simulator_extra_bytes_set(nand_flash, block, page + i, spare_buffer + i * SPARE_BYTES_PER_PAGE, SPARE_BYTES_PER_PAGE); |
390 |
|
|
status = _lx_nand_flash_simulator_write(nand_flash, block, page + i, (ULONG*)(main_buffer + i * BYTES_PER_PHYSICAL_PAGE), WORDS_PER_PHYSICAL_PAGE); |
391 |
|
|
#else |
392 |
|
396827 |
_lx_nand_flash_simulator_extra_bytes_set(block, page + i, spare_buffer + i * SPARE_BYTES_PER_PAGE, SPARE_BYTES_PER_PAGE); |
393 |
|
396827 |
status = _lx_nand_flash_simulator_write(block, page + i, (ULONG*)(main_buffer + i * BYTES_PER_PHYSICAL_PAGE), WORDS_PER_PHYSICAL_PAGE); |
394 |
|
|
#endif |
395 |
✗✓ |
396827 |
if (status == LX_INVALID_WRITE) |
396 |
|
|
{ |
397 |
|
|
break; |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
} |
401 |
|
396827 |
return (status); |
402 |
|
|
} |
403 |
|
|
|
404 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
405 |
|
|
UINT _lx_nand_flash_simulator_pages_copy(LX_NAND_FLASH *nand_flash, ULONG source_block, ULONG source_page, ULONG destination_block, ULONG destination_page, ULONG pages, UCHAR *data_buffer) |
406 |
|
|
#else |
407 |
|
8731 |
UINT _lx_nand_flash_simulator_pages_copy(ULONG source_block, ULONG source_page, ULONG destination_block, ULONG destination_page, ULONG pages, UCHAR *data_buffer) |
408 |
|
|
#endif |
409 |
|
|
{ |
410 |
|
|
UINT i; |
411 |
|
8731 |
UINT status = LX_SUCCESS; |
412 |
|
|
|
413 |
|
|
|
414 |
✓✓ |
299314 |
for (i = 0; i < pages; i++) |
415 |
|
|
{ |
416 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
417 |
|
|
status = _lx_nand_flash_simulator_pages_read(nand_flash, source_block, source_page + i, data_buffer, data_buffer + BYTES_PER_PHYSICAL_PAGE, 1); |
418 |
|
|
#else |
419 |
|
290583 |
status = _lx_nand_flash_simulator_pages_read(source_block, source_page + i, data_buffer, data_buffer + BYTES_PER_PHYSICAL_PAGE, 1); |
420 |
|
|
#endif |
421 |
✗✓✗✗
|
290583 |
if (status != LX_SUCCESS && status != LX_NAND_ERROR_CORRECTED) |
422 |
|
|
{ |
423 |
|
|
break; |
424 |
|
|
} |
425 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
426 |
|
|
status = _lx_nand_flash_simulator_pages_write(nand_flash, destination_block, destination_page + i, data_buffer, data_buffer + BYTES_PER_PHYSICAL_PAGE, 1); |
427 |
|
|
#else |
428 |
|
290583 |
status = _lx_nand_flash_simulator_pages_write(destination_block, destination_page + i, data_buffer, data_buffer + BYTES_PER_PHYSICAL_PAGE, 1); |
429 |
|
|
#endif |
430 |
✗✓ |
290583 |
if (status != LX_SUCCESS) |
431 |
|
|
{ |
432 |
|
|
break; |
433 |
|
|
} |
434 |
|
|
|
435 |
|
|
} |
436 |
|
8731 |
return (status); |
437 |
|
|
|
438 |
|
|
} |
439 |
|
|
|
440 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
441 |
|
|
UINT _lx_nand_flash_simulator_block_erase(LX_NAND_FLASH *nand_flash, ULONG block, ULONG erase_count) |
442 |
|
|
#else |
443 |
|
5514 |
UINT _lx_nand_flash_simulator_block_erase(ULONG block, ULONG erase_count) |
444 |
|
|
#endif |
445 |
|
|
{ |
446 |
|
|
|
447 |
|
|
ULONG *pointer; |
448 |
|
|
ULONG words; |
449 |
|
|
UINT i; |
450 |
|
|
|
451 |
|
|
LX_PARAMETER_NOT_USED(erase_count); |
452 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
453 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
454 |
|
|
#endif |
455 |
|
|
|
456 |
|
|
/* Increment the diag info. */ |
457 |
|
5514 |
nand_block_diag[block].erases++; |
458 |
✓✓ |
1417098 |
for (i = 0; i < PHYSICAL_PAGES_PER_BLOCK;i++) |
459 |
|
1411584 |
nand_block_diag[block].page_writes[i] = 0; |
460 |
|
|
|
461 |
|
|
/* Setup pointer. */ |
462 |
|
5514 |
pointer = (ULONG *) &nand_memory_area[block]; |
463 |
|
|
|
464 |
|
|
/* Loop to erase block. */ |
465 |
|
5514 |
words = sizeof(NAND_FLASH_BLOCK)/sizeof(ULONG); |
466 |
✓✓ |
186334602 |
while (words--) |
467 |
|
|
{ |
468 |
|
|
|
469 |
|
|
/* Erase word of block. */ |
470 |
|
186329088 |
*pointer++ = (ULONG) 0xFFFFFFFF; |
471 |
|
|
} |
472 |
|
|
|
473 |
|
5514 |
return(LX_SUCCESS); |
474 |
|
|
} |
475 |
|
|
|
476 |
|
|
|
477 |
|
4 |
UINT _lx_nand_flash_simulator_erase_all(VOID) |
478 |
|
|
{ |
479 |
|
|
|
480 |
|
|
ULONG *pointer; |
481 |
|
|
ULONG words; |
482 |
|
|
UINT i, j; |
483 |
|
|
|
484 |
|
|
|
485 |
|
|
/* Increment the diag info. */ |
486 |
✓✓ |
4100 |
for (i = 0; i < TOTAL_BLOCKS; i++) |
487 |
|
|
{ |
488 |
|
4096 |
nand_block_diag[i].erases = 0; |
489 |
✓✓ |
1052672 |
for (j = 0; j < PHYSICAL_PAGES_PER_BLOCK;j++) |
490 |
|
1048576 |
nand_block_diag[i].page_writes[j] = 0; |
491 |
|
|
} |
492 |
|
|
|
493 |
|
|
/* Setup pointer. */ |
494 |
|
4 |
pointer = (ULONG *) &nand_memory_area[0]; |
495 |
|
|
|
496 |
|
|
/* Loop to erase block. */ |
497 |
|
4 |
words = sizeof(nand_memory_area)/(sizeof(ULONG)); |
498 |
✓✓ |
138412036 |
while (words--) |
499 |
|
|
{ |
500 |
|
|
|
501 |
|
|
/* Erase word of block. */ |
502 |
|
138412032 |
*pointer++ = (ULONG) 0xFFFFFFFF; |
503 |
|
|
} |
504 |
|
|
|
505 |
|
4 |
return(LX_SUCCESS); |
506 |
|
|
} |
507 |
|
|
|
508 |
|
|
|
509 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
510 |
|
|
UINT _lx_nand_flash_simulator_block_erased_verify(LX_NAND_FLASH *nand_flash, ULONG block) |
511 |
|
|
#else |
512 |
|
|
UINT _lx_nand_flash_simulator_block_erased_verify(ULONG block) |
513 |
|
|
#endif |
514 |
|
|
{ |
515 |
|
|
|
516 |
|
|
ULONG *word_ptr; |
517 |
|
|
ULONG words; |
518 |
|
|
|
519 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
520 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
521 |
|
|
#endif |
522 |
|
|
|
523 |
|
|
/* Determine if the block is completely erased. */ |
524 |
|
|
|
525 |
|
|
/* Pickup the pointer to the first word of the block. */ |
526 |
|
|
word_ptr = (ULONG *) &nand_memory_area[block]; |
527 |
|
|
|
528 |
|
|
/* Calculate the number of words in a block. */ |
529 |
|
|
words = sizeof(NAND_FLASH_BLOCK)/sizeof(ULONG); |
530 |
|
|
|
531 |
|
|
/* Loop to check if the block is erased. */ |
532 |
|
|
while (words--) |
533 |
|
|
{ |
534 |
|
|
|
535 |
|
|
/* Is this word erased? */ |
536 |
|
|
if (*word_ptr++ != 0xFFFFFFFF) |
537 |
|
|
return(LX_ERROR); |
538 |
|
|
} |
539 |
|
|
|
540 |
|
|
/* Return success. */ |
541 |
|
|
return(LX_SUCCESS); |
542 |
|
|
} |
543 |
|
|
|
544 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
545 |
|
|
UINT _lx_nand_flash_simulator_page_erased_verify(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page) |
546 |
|
|
#else |
547 |
|
|
UINT _lx_nand_flash_simulator_page_erased_verify(ULONG block, ULONG page) |
548 |
|
|
#endif |
549 |
|
|
{ |
550 |
|
|
|
551 |
|
|
ULONG *word_ptr; |
552 |
|
|
ULONG words; |
553 |
|
|
|
554 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
555 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
556 |
|
|
#endif |
557 |
|
|
|
558 |
|
|
/* Determine if the block is completely erased. */ |
559 |
|
|
|
560 |
|
|
/* Pickup the pointer to the first word of the block's page. */ |
561 |
|
|
word_ptr = (ULONG *) &nand_memory_area[block].physical_pages[page]; |
562 |
|
|
|
563 |
|
|
/* Calculate the number of words in a block. */ |
564 |
|
|
words = WORDS_PER_PHYSICAL_PAGE; |
565 |
|
|
|
566 |
|
|
/* Loop to check if the page is erased. */ |
567 |
|
|
while (words--) |
568 |
|
|
{ |
569 |
|
|
|
570 |
|
|
/* Is this word erased? */ |
571 |
|
|
if (*word_ptr++ != 0xFFFFFFFF) |
572 |
|
|
return(LX_ERROR); |
573 |
|
|
} |
574 |
|
|
|
575 |
|
|
/* Return success. */ |
576 |
|
|
return(LX_SUCCESS); |
577 |
|
|
} |
578 |
|
|
|
579 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
580 |
|
|
UINT _lx_nand_flash_simulator_block_status_get(LX_NAND_FLASH *nand_flash, ULONG block, UCHAR *bad_block_byte) |
581 |
|
|
#else |
582 |
|
4101 |
UINT _lx_nand_flash_simulator_block_status_get(ULONG block, UCHAR *bad_block_byte) |
583 |
|
|
#endif |
584 |
|
|
{ |
585 |
|
|
|
586 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
587 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
588 |
|
|
#endif |
589 |
|
|
|
590 |
|
|
/* Pickup the bad block byte and return it. */ |
591 |
|
4101 |
*bad_block_byte = nand_memory_area[block].physical_pages[0].spare[BAD_BLOCK_POSITION]; |
592 |
|
|
|
593 |
|
|
/* Return success. */ |
594 |
|
4101 |
return(LX_SUCCESS); |
595 |
|
|
} |
596 |
|
|
|
597 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
598 |
|
|
UINT _lx_nand_flash_simulator_block_status_set(LX_NAND_FLASH *nand_flash, ULONG block, UCHAR bad_block_byte) |
599 |
|
|
#else |
600 |
|
|
UINT _lx_nand_flash_simulator_block_status_set(ULONG block, UCHAR bad_block_byte) |
601 |
|
|
#endif |
602 |
|
|
{ |
603 |
|
|
|
604 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
605 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
606 |
|
|
#endif |
607 |
|
|
|
608 |
|
|
/* Set the bad block byte. */ |
609 |
|
|
nand_memory_area[block].physical_pages[0].spare[BAD_BLOCK_POSITION] = bad_block_byte; |
610 |
|
|
|
611 |
|
|
/* Return success. */ |
612 |
|
|
return(LX_SUCCESS); |
613 |
|
|
} |
614 |
|
|
|
615 |
|
|
|
616 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
617 |
|
|
UINT _lx_nand_flash_simulator_extra_bytes_get(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR *destination, UINT size) |
618 |
|
|
#else |
619 |
|
1406699 |
UINT _lx_nand_flash_simulator_extra_bytes_get(ULONG block, ULONG page, UCHAR *destination, UINT size) |
620 |
|
|
#endif |
621 |
|
|
{ |
622 |
|
|
|
623 |
|
|
UCHAR *source; |
624 |
|
|
|
625 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
626 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
627 |
|
|
#endif |
628 |
|
|
|
629 |
|
|
/* Setup source pointer in the spare area. */ |
630 |
|
1406699 |
source = (UCHAR *) &(nand_memory_area[block].physical_pages[page].spare[EXTRA_BYTE_POSITION]); |
631 |
|
|
|
632 |
|
|
/* Loop to return the extra bytes requested. */ |
633 |
✓✓ |
23913883 |
while (size--) |
634 |
|
|
{ |
635 |
|
|
|
636 |
|
|
/* Retrieve an extra byte from the spare area. */ |
637 |
|
22507184 |
*destination++ = *source++; |
638 |
|
|
} |
639 |
|
|
|
640 |
|
|
/* Return success. */ |
641 |
|
1406699 |
return(LX_SUCCESS); |
642 |
|
|
} |
643 |
|
|
|
644 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
645 |
|
|
UINT _lx_nand_flash_simulator_extra_bytes_set(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page, UCHAR *source, UINT size) |
646 |
|
|
#else |
647 |
|
396827 |
UINT _lx_nand_flash_simulator_extra_bytes_set(ULONG block, ULONG page, UCHAR *source, UINT size) |
648 |
|
|
#endif |
649 |
|
|
{ |
650 |
|
|
|
651 |
|
|
UCHAR *destination; |
652 |
|
|
|
653 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
654 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
655 |
|
|
#endif |
656 |
|
|
|
657 |
|
|
/* Increment the diag info. */ |
658 |
|
396827 |
nand_block_diag[block].page_writes[page]++; |
659 |
✓✓ |
396827 |
if (nand_block_diag[block].page_writes[page] > nand_block_diag[block].max_page_writes[page]) |
660 |
|
252824 |
nand_block_diag[block].max_page_writes[page] = nand_block_diag[block].page_writes[page]; |
661 |
|
|
|
662 |
|
|
/* Setup destination pointer in the spare area. */ |
663 |
|
396827 |
destination = (UCHAR *) &(nand_memory_area[block].physical_pages[page].spare[EXTRA_BYTE_POSITION]); |
664 |
|
|
|
665 |
|
|
/* Loop to set the extra bytes. */ |
666 |
✓✓ |
6746059 |
while (size--) |
667 |
|
|
{ |
668 |
|
|
|
669 |
|
|
/* Set an extra byte in the spare area. */ |
670 |
|
6349232 |
*destination++ = *source++; |
671 |
|
|
} |
672 |
|
|
|
673 |
|
|
/* Return success. */ |
674 |
|
396827 |
return(LX_SUCCESS); |
675 |
|
|
} |
676 |
|
|
|
677 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
678 |
|
|
UINT _lx_nand_flash_simulator_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page) |
679 |
|
|
#else |
680 |
|
|
UINT _lx_nand_flash_simulator_system_error(UINT error_code, ULONG block, ULONG page) |
681 |
|
|
#endif |
682 |
|
|
{ |
683 |
|
|
LX_PARAMETER_NOT_USED(error_code); |
684 |
|
|
LX_PARAMETER_NOT_USED(block); |
685 |
|
|
LX_PARAMETER_NOT_USED(page); |
686 |
|
|
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE |
687 |
|
|
LX_PARAMETER_NOT_USED(nand_flash); |
688 |
|
|
#endif |
689 |
|
|
|
690 |
|
|
/* Custom processing goes here... all errors except for LX_NAND_ERROR_CORRECTED are fatal. */ |
691 |
|
|
return(LX_ERROR); |
692 |
|
|
} |
693 |
|
|
|
694 |
|
|
|
695 |
|
|
|