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Commit | Line | Data |
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1a459660 WD |
1 | /* |
2 | * LowLevel function for ATMEL DataFlash support | |
2abbe075 WD |
3 | * Author : Hamid Ikdoumi (Atmel) |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
2abbe075 WD |
6 | */ |
7 | #include <common.h> | |
8 | #include <config.h> | |
2abbe075 WD |
9 | #include <asm/hardware.h> |
10 | #include <dataflash.h> | |
11 | ||
2abbe075 WD |
12 | static AT91S_DataFlash DataFlashInst; |
13 | ||
2abbe075 WD |
14 | extern void AT91F_SpiInit (void); |
15 | extern int AT91F_DataflashProbe (int i, AT91PS_DataflashDesc pDesc); | |
16 | extern int AT91F_DataFlashRead (AT91PS_DataFlash pDataFlash, | |
17 | unsigned long addr, | |
18 | unsigned long size, char *buffer); | |
5779d8d9 | 19 | extern int AT91F_DataFlashWrite( AT91PS_DataFlash pDataFlash, |
d4fc6012 PP |
20 | unsigned char *src, |
21 | int dest, | |
22 | int size ); | |
2abbe075 WD |
23 | |
24 | int AT91F_DataflashInit (void) | |
25 | { | |
26 | int i, j; | |
27 | int dfcode; | |
5604e217 | 28 | int part; |
6d0f6bcf | 29 | int found[CONFIG_SYS_MAX_DATAFLASH_BANKS]; |
d4fc6012 | 30 | unsigned char protected; |
2abbe075 WD |
31 | |
32 | AT91F_SpiInit (); | |
33 | ||
6d0f6bcf | 34 | for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { |
d4fc6012 | 35 | found[i] = 0; |
5779d8d9 | 36 | dataflash_info[i].Desc.state = IDLE; |
2abbe075 WD |
37 | dataflash_info[i].id = 0; |
38 | dataflash_info[i].Device.pages_number = 0; | |
d49fe4be | 39 | dfcode = AT91F_DataflashProbe (cs[i].cs, |
d4fc6012 | 40 | &dataflash_info[i].Desc); |
2abbe075 WD |
41 | |
42 | switch (dfcode) { | |
c6457e3b SL |
43 | case AT45DB021: |
44 | dataflash_info[i].Device.pages_number = 1024; | |
f77d92a3 | 45 | dataflash_info[i].Device.pages_size = 264; |
c6457e3b SL |
46 | dataflash_info[i].Device.page_offset = 9; |
47 | dataflash_info[i].Device.byte_mask = 0x300; | |
48 | dataflash_info[i].Device.cs = cs[i].cs; | |
49 | dataflash_info[i].Desc.DataFlash_state = IDLE; | |
50 | dataflash_info[i].logical_address = cs[i].addr; | |
51 | dataflash_info[i].id = dfcode; | |
51855e89 | 52 | found[i] += dfcode; |
c6457e3b | 53 | break; |
f77d92a3 SL |
54 | |
55 | case AT45DB081: | |
56 | dataflash_info[i].Device.pages_number = 4096; | |
57 | dataflash_info[i].Device.pages_size = 264; | |
58 | dataflash_info[i].Device.page_offset = 9; | |
59 | dataflash_info[i].Device.byte_mask = 0x300; | |
60 | dataflash_info[i].Device.cs = cs[i].cs; | |
61 | dataflash_info[i].Desc.DataFlash_state = IDLE; | |
62 | dataflash_info[i].logical_address = cs[i].addr; | |
63 | dataflash_info[i].id = dfcode; | |
51855e89 | 64 | found[i] += dfcode; |
f77d92a3 SL |
65 | break; |
66 | ||
2abbe075 WD |
67 | case AT45DB161: |
68 | dataflash_info[i].Device.pages_number = 4096; | |
69 | dataflash_info[i].Device.pages_size = 528; | |
70 | dataflash_info[i].Device.page_offset = 10; | |
71 | dataflash_info[i].Device.byte_mask = 0x300; | |
d49fe4be | 72 | dataflash_info[i].Device.cs = cs[i].cs; |
2abbe075 | 73 | dataflash_info[i].Desc.DataFlash_state = IDLE; |
d49fe4be | 74 | dataflash_info[i].logical_address = cs[i].addr; |
2abbe075 | 75 | dataflash_info[i].id = dfcode; |
51855e89 | 76 | found[i] += dfcode; |
2abbe075 WD |
77 | break; |
78 | ||
79 | case AT45DB321: | |
80 | dataflash_info[i].Device.pages_number = 8192; | |
81 | dataflash_info[i].Device.pages_size = 528; | |
82 | dataflash_info[i].Device.page_offset = 10; | |
83 | dataflash_info[i].Device.byte_mask = 0x300; | |
d49fe4be | 84 | dataflash_info[i].Device.cs = cs[i].cs; |
2abbe075 | 85 | dataflash_info[i].Desc.DataFlash_state = IDLE; |
d49fe4be | 86 | dataflash_info[i].logical_address = cs[i].addr; |
2abbe075 | 87 | dataflash_info[i].id = dfcode; |
51855e89 | 88 | found[i] += dfcode; |
2abbe075 WD |
89 | break; |
90 | ||
91 | case AT45DB642: | |
92 | dataflash_info[i].Device.pages_number = 8192; | |
93 | dataflash_info[i].Device.pages_size = 1056; | |
94 | dataflash_info[i].Device.page_offset = 11; | |
95 | dataflash_info[i].Device.byte_mask = 0x700; | |
d49fe4be | 96 | dataflash_info[i].Device.cs = cs[i].cs; |
2abbe075 | 97 | dataflash_info[i].Desc.DataFlash_state = IDLE; |
d49fe4be | 98 | dataflash_info[i].logical_address = cs[i].addr; |
2abbe075 | 99 | dataflash_info[i].id = dfcode; |
51855e89 | 100 | found[i] += dfcode; |
2abbe075 | 101 | break; |
d4fc6012 | 102 | |
5779d8d9 WD |
103 | case AT45DB128: |
104 | dataflash_info[i].Device.pages_number = 16384; | |
105 | dataflash_info[i].Device.pages_size = 1056; | |
106 | dataflash_info[i].Device.page_offset = 11; | |
107 | dataflash_info[i].Device.byte_mask = 0x700; | |
d49fe4be | 108 | dataflash_info[i].Device.cs = cs[i].cs; |
5779d8d9 | 109 | dataflash_info[i].Desc.DataFlash_state = IDLE; |
d49fe4be | 110 | dataflash_info[i].logical_address = cs[i].addr; |
5779d8d9 | 111 | dataflash_info[i].id = dfcode; |
51855e89 | 112 | found[i] += dfcode; |
5779d8d9 | 113 | break; |
2abbe075 WD |
114 | |
115 | default: | |
d4fc6012 | 116 | dfcode = 0; |
2abbe075 WD |
117 | break; |
118 | } | |
5779d8d9 | 119 | /* set the last area end to the dataflash size*/ |
bd876772 | 120 | dataflash_info[i].end_address = |
5779d8d9 | 121 | (dataflash_info[i].Device.pages_number * |
03f79779 | 122 | dataflash_info[i].Device.pages_size) - 1; |
5779d8d9 | 123 | |
5604e217 | 124 | part = 0; |
5779d8d9 | 125 | /* set the area addresses */ |
03f79779 | 126 | for(j = 0; j < NB_DATAFLASH_AREA; j++) { |
d4fc6012 | 127 | if(found[i]!=0) { |
f01dbb54 WD |
128 | dataflash_info[i].Device.area_list[j].start = |
129 | area_list[part].start + | |
d4fc6012 PP |
130 | dataflash_info[i].logical_address; |
131 | if(area_list[part].end == 0xffffffff) { | |
f01dbb54 WD |
132 | dataflash_info[i].Device.area_list[j].end = |
133 | dataflash_info[i].end_address + | |
03f79779 | 134 | dataflash_info[i].logical_address; |
d4fc6012 | 135 | } else { |
f01dbb54 WD |
136 | dataflash_info[i].Device.area_list[j].end = |
137 | area_list[part].end + | |
d4fc6012 PP |
138 | dataflash_info[i].logical_address; |
139 | } | |
140 | protected = area_list[part].protected; | |
141 | /* Set the environment according to the label...*/ | |
142 | if(protected == FLAG_PROTECT_INVALID) { | |
f01dbb54 | 143 | dataflash_info[i].Device.area_list[j].protected = |
d4fc6012 PP |
144 | FLAG_PROTECT_INVALID; |
145 | } else { | |
f01dbb54 | 146 | dataflash_info[i].Device.area_list[j].protected = |
d4fc6012 PP |
147 | protected; |
148 | } | |
149 | strcpy((char*)(dataflash_info[i].Device.area_list[j].label), | |
150 | (const char *)area_list[part].label); | |
151 | } | |
152 | part++; | |
5779d8d9 | 153 | } |
2abbe075 | 154 | } |
d4fc6012 | 155 | return found[0]; |
2abbe075 WD |
156 | } |
157 | ||
c3a60cb3 | 158 | void AT91F_DataflashSetEnv (void) |
d4fc6012 PP |
159 | { |
160 | int i, j; | |
161 | int part; | |
162 | unsigned char env; | |
163 | unsigned char s[32]; /* Will fit a long int in hex */ | |
164 | unsigned long start; | |
5604e217 | 165 | |
6d0f6bcf | 166 | for (i = 0, part= 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { |
03f79779 | 167 | for(j = 0; j < NB_DATAFLASH_AREA; j++) { |
d4fc6012 PP |
168 | env = area_list[part].setenv; |
169 | /* Set the environment according to the label...*/ | |
170 | if((env & FLAG_SETENV) == FLAG_SETENV) { | |
03f79779 | 171 | start = dataflash_info[i].Device.area_list[j].start; |
0a5676be | 172 | sprintf((char*) s,"%lX",start); |
c3a60cb3 | 173 | setenv((char*) area_list[part].label,(char*) s); |
d4fc6012 PP |
174 | } |
175 | part++; | |
176 | } | |
177 | } | |
178 | } | |
2abbe075 | 179 | |
2abbe075 WD |
180 | void dataflash_print_info (void) |
181 | { | |
5779d8d9 | 182 | int i, j; |
2abbe075 | 183 | |
6d0f6bcf | 184 | for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { |
2abbe075 | 185 | if (dataflash_info[i].id != 0) { |
d4fc6012 | 186 | printf("DataFlash:"); |
2abbe075 | 187 | switch (dataflash_info[i].id) { |
c6457e3b SL |
188 | case AT45DB021: |
189 | printf("AT45DB021\n"); | |
190 | break; | |
2abbe075 | 191 | case AT45DB161: |
d4fc6012 | 192 | printf("AT45DB161\n"); |
2abbe075 WD |
193 | break; |
194 | ||
195 | case AT45DB321: | |
d4fc6012 | 196 | printf("AT45DB321\n"); |
2abbe075 WD |
197 | break; |
198 | ||
199 | case AT45DB642: | |
d4fc6012 | 200 | printf("AT45DB642\n"); |
2abbe075 | 201 | break; |
5779d8d9 | 202 | case AT45DB128: |
d4fc6012 | 203 | printf("AT45DB128\n"); |
5779d8d9 | 204 | break; |
2abbe075 WD |
205 | } |
206 | ||
d4fc6012 | 207 | printf("Nb pages: %6d\n" |
2abbe075 WD |
208 | "Page Size: %6d\n" |
209 | "Size=%8d bytes\n" | |
210 | "Logical address: 0x%08X\n", | |
211 | (unsigned int) dataflash_info[i].Device.pages_number, | |
212 | (unsigned int) dataflash_info[i].Device.pages_size, | |
213 | (unsigned int) dataflash_info[i].Device.pages_number * | |
214 | dataflash_info[i].Device.pages_size, | |
215 | (unsigned int) dataflash_info[i].logical_address); | |
03f79779 | 216 | for (j = 0; j < NB_DATAFLASH_AREA; j++) { |
d4fc6012 PP |
217 | switch(dataflash_info[i].Device.area_list[j].protected) { |
218 | case FLAG_PROTECT_SET: | |
219 | case FLAG_PROTECT_CLEAR: | |
220 | printf("Area %i:\t%08lX to %08lX %s", j, | |
221 | dataflash_info[i].Device.area_list[j].start, | |
222 | dataflash_info[i].Device.area_list[j].end, | |
223 | (dataflash_info[i].Device.area_list[j].protected==FLAG_PROTECT_SET) ? "(RO)" : " "); | |
d4fc6012 | 224 | printf(" %s\n", dataflash_info[i].Device.area_list[j].label); |
d4fc6012 | 225 | break; |
d4fc6012 PP |
226 | case FLAG_PROTECT_INVALID: |
227 | break; | |
d4fc6012 | 228 | } |
5779d8d9 | 229 | } |
2abbe075 WD |
230 | } |
231 | } | |
232 | } | |
233 | ||
d4fc6012 | 234 | /*---------------------------------------------------------------------------*/ |
5604e217 | 235 | /* Function Name : AT91F_DataflashSelect */ |
d4fc6012 PP |
236 | /* Object : Select the correct device */ |
237 | /*---------------------------------------------------------------------------*/ | |
f01dbb54 | 238 | AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash, |
d4fc6012 | 239 | unsigned long *addr) |
2abbe075 WD |
240 | { |
241 | char addr_valid = 0; | |
242 | int i; | |
243 | ||
6d0f6bcf | 244 | for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) |
d4fc6012 | 245 | if ( dataflash_info[i].id |
c77ce474 | 246 | && ((((int) *addr) & 0xFF000000) == |
d4fc6012 | 247 | dataflash_info[i].logical_address)) { |
2abbe075 WD |
248 | addr_valid = 1; |
249 | break; | |
250 | } | |
251 | if (!addr_valid) { | |
252 | pFlash = (AT91PS_DataFlash) 0; | |
253 | return pFlash; | |
254 | } | |
255 | pFlash->pDataFlashDesc = &(dataflash_info[i].Desc); | |
256 | pFlash->pDevice = &(dataflash_info[i].Device); | |
257 | *addr -= dataflash_info[i].logical_address; | |
258 | return (pFlash); | |
259 | } | |
260 | ||
d4fc6012 | 261 | /*---------------------------------------------------------------------------*/ |
5604e217 | 262 | /* Function Name : addr_dataflash */ |
d4fc6012 PP |
263 | /* Object : Test if address is valid */ |
264 | /*---------------------------------------------------------------------------*/ | |
2abbe075 WD |
265 | int addr_dataflash (unsigned long addr) |
266 | { | |
267 | int addr_valid = 0; | |
268 | int i; | |
269 | ||
6d0f6bcf | 270 | for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { |
2abbe075 WD |
271 | if ((((int) addr) & 0xFF000000) == |
272 | dataflash_info[i].logical_address) { | |
273 | addr_valid = 1; | |
274 | break; | |
275 | } | |
276 | } | |
277 | ||
278 | return addr_valid; | |
279 | } | |
5604e217 | 280 | |
d4fc6012 | 281 | /*---------------------------------------------------------------------------*/ |
5604e217 | 282 | /* Function Name : size_dataflash */ |
d4fc6012 PP |
283 | /* Object : Test if address is valid regarding the size */ |
284 | /*---------------------------------------------------------------------------*/ | |
f01dbb54 | 285 | int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, |
d4fc6012 | 286 | unsigned long size) |
5779d8d9 WD |
287 | { |
288 | /* is outside the dataflash */ | |
289 | if (((int)addr & 0x0FFFFFFF) > (pdataFlash->pDevice->pages_size * | |
290 | pdataFlash->pDevice->pages_number)) return 0; | |
291 | /* is too large for the dataflash */ | |
292 | if (size > ((pdataFlash->pDevice->pages_size * | |
f01dbb54 | 293 | pdataFlash->pDevice->pages_number) - |
d4fc6012 | 294 | ((int)addr & 0x0FFFFFFF))) return 0; |
5779d8d9 WD |
295 | |
296 | return 1; | |
297 | } | |
5604e217 | 298 | |
d4fc6012 | 299 | /*---------------------------------------------------------------------------*/ |
5604e217 | 300 | /* Function Name : prot_dataflash */ |
d4fc6012 PP |
301 | /* Object : Test if destination area is protected */ |
302 | /*---------------------------------------------------------------------------*/ | |
5779d8d9 WD |
303 | int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr) |
304 | { | |
5604e217 SP |
305 | int area; |
306 | ||
5779d8d9 | 307 | /* find area */ |
03f79779 | 308 | for (area = 0; area < NB_DATAFLASH_AREA; area++) { |
5779d8d9 WD |
309 | if ((addr >= pdataFlash->pDevice->area_list[area].start) && |
310 | (addr < pdataFlash->pDevice->area_list[area].end)) | |
311 | break; | |
312 | } | |
f01dbb54 | 313 | if (area == NB_DATAFLASH_AREA) |
d4fc6012 PP |
314 | return -1; |
315 | ||
5779d8d9 | 316 | /*test protection value*/ |
f01dbb54 | 317 | if (pdataFlash->pDevice->area_list[area].protected == FLAG_PROTECT_SET) |
d4fc6012 | 318 | return 0; |
f01dbb54 | 319 | if (pdataFlash->pDevice->area_list[area].protected == FLAG_PROTECT_INVALID) |
d4fc6012 | 320 | return 0; |
5779d8d9 WD |
321 | |
322 | return 1; | |
323 | } | |
5604e217 | 324 | |
d4fc6012 PP |
325 | /*--------------------------------------------------------------------------*/ |
326 | /* Function Name : dataflash_real_protect */ | |
327 | /* Object : protect/unprotect area */ | |
328 | /*--------------------------------------------------------------------------*/ | |
f01dbb54 | 329 | int dataflash_real_protect (int flag, unsigned long start_addr, |
d4fc6012 | 330 | unsigned long end_addr) |
5779d8d9 | 331 | { |
5604e217 SP |
332 | int i,j, area1, area2, addr_valid = 0; |
333 | ||
5779d8d9 | 334 | /* find dataflash */ |
6d0f6bcf | 335 | for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) { |
5779d8d9 WD |
336 | if ((((int) start_addr) & 0xF0000000) == |
337 | dataflash_info[i].logical_address) { | |
338 | addr_valid = 1; | |
339 | break; | |
340 | } | |
341 | } | |
342 | if (!addr_valid) { | |
343 | return -1; | |
344 | } | |
345 | /* find start area */ | |
03f79779 | 346 | for (area1 = 0; area1 < NB_DATAFLASH_AREA; area1++) { |
f01dbb54 | 347 | if (start_addr == dataflash_info[i].Device.area_list[area1].start) |
d4fc6012 | 348 | break; |
5779d8d9 WD |
349 | } |
350 | if (area1 == NB_DATAFLASH_AREA) return -1; | |
351 | /* find end area */ | |
03f79779 | 352 | for (area2 = 0; area2 < NB_DATAFLASH_AREA; area2++) { |
f01dbb54 | 353 | if (end_addr == dataflash_info[i].Device.area_list[area2].end) |
d4fc6012 | 354 | break; |
5779d8d9 | 355 | } |
f01dbb54 | 356 | if (area2 == NB_DATAFLASH_AREA) |
d4fc6012 | 357 | return -1; |
5779d8d9 WD |
358 | |
359 | /*set protection value*/ | |
03f79779 | 360 | for(j = area1; j < area2 + 1 ; j++) |
f01dbb54 | 361 | if(dataflash_info[i].Device.area_list[j].protected |
d4fc6012 PP |
362 | != FLAG_PROTECT_INVALID) { |
363 | if (flag == 0) { | |
f01dbb54 | 364 | dataflash_info[i].Device.area_list[j].protected |
d4fc6012 PP |
365 | = FLAG_PROTECT_CLEAR; |
366 | } else { | |
f01dbb54 | 367 | dataflash_info[i].Device.area_list[j].protected |
d4fc6012 PP |
368 | = FLAG_PROTECT_SET; |
369 | } | |
370 | } | |
5779d8d9 | 371 | |
03f79779 | 372 | return (area2 - area1 + 1); |
5779d8d9 | 373 | } |
2abbe075 | 374 | |
d4fc6012 | 375 | /*---------------------------------------------------------------------------*/ |
5604e217 | 376 | /* Function Name : read_dataflash */ |
d4fc6012 PP |
377 | /* Object : dataflash memory read */ |
378 | /*---------------------------------------------------------------------------*/ | |
2abbe075 WD |
379 | int read_dataflash (unsigned long addr, unsigned long size, char *result) |
380 | { | |
d52fb7e3 | 381 | unsigned long AddrToRead = addr; |
2abbe075 WD |
382 | AT91PS_DataFlash pFlash = &DataFlashInst; |
383 | ||
384 | pFlash = AT91F_DataflashSelect (pFlash, &AddrToRead); | |
5779d8d9 | 385 | |
2abbe075 | 386 | if (pFlash == 0) |
5779d8d9 WD |
387 | return ERR_UNKNOWN_FLASH_TYPE; |
388 | ||
389 | if (size_dataflash(pFlash,addr,size) == 0) | |
390 | return ERR_INVAL; | |
2abbe075 WD |
391 | |
392 | return (AT91F_DataFlashRead (pFlash, AddrToRead, size, result)); | |
393 | } | |
394 | ||
d4fc6012 | 395 | /*---------------------------------------------------------------------------*/ |
5604e217 | 396 | /* Function Name : write_dataflash */ |
d4fc6012 PP |
397 | /* Object : write a block in dataflash */ |
398 | /*---------------------------------------------------------------------------*/ | |
2abbe075 | 399 | int write_dataflash (unsigned long addr_dest, unsigned long addr_src, |
d4fc6012 | 400 | unsigned long size) |
2abbe075 | 401 | { |
d52fb7e3 | 402 | unsigned long AddrToWrite = addr_dest; |
2abbe075 WD |
403 | AT91PS_DataFlash pFlash = &DataFlashInst; |
404 | ||
405 | pFlash = AT91F_DataflashSelect (pFlash, &AddrToWrite); | |
5779d8d9 WD |
406 | |
407 | if (pFlash == 0) | |
408 | return ERR_UNKNOWN_FLASH_TYPE; | |
409 | ||
410 | if (size_dataflash(pFlash,addr_dest,size) == 0) | |
411 | return ERR_INVAL; | |
412 | ||
413 | if (prot_dataflash(pFlash,addr_dest) == 0) | |
414 | return ERR_PROTECTED; | |
415 | ||
2abbe075 WD |
416 | if (AddrToWrite == -1) |
417 | return -1; | |
418 | ||
f01dbb54 | 419 | return AT91F_DataFlashWrite (pFlash, (uchar *)addr_src, |
d4fc6012 | 420 | AddrToWrite, size); |
2abbe075 WD |
421 | } |
422 | ||
2abbe075 WD |
423 | void dataflash_perror (int err) |
424 | { | |
425 | switch (err) { | |
426 | case ERR_OK: | |
427 | break; | |
428 | case ERR_TIMOUT: | |
d4fc6012 | 429 | printf("Timeout writing to DataFlash\n"); |
2abbe075 WD |
430 | break; |
431 | case ERR_PROTECTED: | |
d4fc6012 | 432 | printf("Can't write to protected/invalid DataFlash sectors\n"); |
2abbe075 WD |
433 | break; |
434 | case ERR_INVAL: | |
d4fc6012 | 435 | printf("Outside available DataFlash\n"); |
2abbe075 WD |
436 | break; |
437 | case ERR_UNKNOWN_FLASH_TYPE: | |
d4fc6012 | 438 | printf("Unknown Type of DataFlash\n"); |
2abbe075 WD |
439 | break; |
440 | case ERR_PROG_ERROR: | |
d4fc6012 | 441 | printf("General DataFlash Programming Error\n"); |
2abbe075 WD |
442 | break; |
443 | default: | |
d4fc6012 | 444 | printf("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err); |
2abbe075 WD |
445 | break; |
446 | } | |
447 | } |