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William Juul0e8cc8b2007-11-15 11:13:05 +01001/*
2 * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
3 *
4 * Copyright (C) 2002-2007 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
6 *
7 * Created by Charles Manning <charles@aleph1.co.uk>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14/*
15 * yaffscfg.c The configuration for the "direct" use of yaffs.
16 *
17 * This file is intended to be modified to your requirements.
18 * There is no need to redistribute this file.
19 */
20
William Juul90ef1172007-11-15 12:23:57 +010021/* XXX U-BOOT XXX */
22#include <common.h>
23
24#include <config.h>
25#include "nand.h"
William Juul0e8cc8b2007-11-15 11:13:05 +010026#include "yaffscfg.h"
27#include "yaffsfs.h"
William Juul90ef1172007-11-15 12:23:57 +010028#include "yaffs_packedtags2.h"
29#include "yaffs_mtdif.h"
30#include "yaffs_mtdif2.h"
31#if 0
William Juul0e8cc8b2007-11-15 11:13:05 +010032#include <errno.h>
William Juul90ef1172007-11-15 12:23:57 +010033#else
34#include "malloc.h"
35#endif
William Juul0e8cc8b2007-11-15 11:13:05 +010036
Remy Bohmer0bb86d82008-08-20 20:46:56 +020037unsigned yaffs_traceMask = 0x0; /* Disable logging */
William Juul90ef1172007-11-15 12:23:57 +010038static int yaffs_errno = 0;
William Juul0e8cc8b2007-11-15 11:13:05 +010039
40void yaffsfs_SetError(int err)
41{
42 //Do whatever to set error
William Juul90ef1172007-11-15 12:23:57 +010043 yaffs_errno = err;
44}
45
46int yaffsfs_GetError(void)
47{
48 return yaffs_errno;
William Juul0e8cc8b2007-11-15 11:13:05 +010049}
50
51void yaffsfs_Lock(void)
52{
53}
54
55void yaffsfs_Unlock(void)
56{
57}
58
59__u32 yaffsfs_CurrentTime(void)
60{
61 return 0;
62}
63
64void *yaffs_malloc(size_t size)
65{
66 return malloc(size);
67}
68
69void yaffs_free(void *ptr)
70{
71 free(ptr);
72}
73
74void yaffsfs_LocalInitialisation(void)
75{
76 // Define locking semaphore.
77}
78
79// Configuration for:
80// /ram 2MB ramdisk
81// /boot 2MB boot disk (flash)
82// /flash 14MB flash disk (flash)
83// NB Though /boot and /flash occupy the same physical device they
84// are still disticnt "yaffs_Devices. You may think of these as "partitions"
85// using non-overlapping areas in the same device.
Wolfgang Denk4b070802008-08-14 14:41:06 +020086//
William Juul0e8cc8b2007-11-15 11:13:05 +010087
88#include "yaffs_ramdisk.h"
89#include "yaffs_flashif.h"
90
William Juul90ef1172007-11-15 12:23:57 +010091static int isMounted = 0;
92#define MOUNT_POINT "/flash"
93extern nand_info_t nand_info[];
94
95/* XXX U-BOOT XXX */
96#if 0
William Juul0e8cc8b2007-11-15 11:13:05 +010097static yaffs_Device ramDev;
98static yaffs_Device bootDev;
99static yaffs_Device flashDev;
William Juul90ef1172007-11-15 12:23:57 +0100100#endif
William Juul0e8cc8b2007-11-15 11:13:05 +0100101
102static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
William Juul90ef1172007-11-15 12:23:57 +0100103/* XXX U-BOOT XXX */
104#if 0
William Juul0e8cc8b2007-11-15 11:13:05 +0100105 { "/ram", &ramDev},
106 { "/boot", &bootDev},
107 { "/flash", &flashDev},
William Juul90ef1172007-11-15 12:23:57 +0100108#else
109 { MOUNT_POINT, 0},
110#endif
William Juul0e8cc8b2007-11-15 11:13:05 +0100111 {(void *)0,(void *)0}
112};
113
114
115int yaffs_StartUp(void)
116{
William Juul90ef1172007-11-15 12:23:57 +0100117 struct mtd_info *mtd = &nand_info[0];
118 int yaffsVersion = 2;
119 int nBlocks;
120
121 yaffs_Device *flashDev = calloc(1, sizeof(yaffs_Device));
122 yaffsfs_config[0].dev = flashDev;
123
Remy Bohmer0bb86d82008-08-20 20:46:56 +0200124 /* store the mtd device for later use */
125 flashDev->genericDevice = mtd;
126
William Juul0e8cc8b2007-11-15 11:13:05 +0100127 // Stuff to configure YAFFS
128 // Stuff to initialise anything special (eg lock semaphore).
129 yaffsfs_LocalInitialisation();
Wolfgang Denk4b070802008-08-14 14:41:06 +0200130
William Juul0e8cc8b2007-11-15 11:13:05 +0100131 // Set up devices
132
William Juul90ef1172007-11-15 12:23:57 +0100133/* XXX U-BOOT XXX */
134#if 0
William Juul0e8cc8b2007-11-15 11:13:05 +0100135 // /ram
136 ramDev.nBytesPerChunk = 512;
137 ramDev.nChunksPerBlock = 32;
138 ramDev.nReservedBlocks = 2; // Set this smaller for RAM
139 ramDev.startBlock = 1; // Can't use block 0
Wolfgang Denk4b070802008-08-14 14:41:06 +0200140 ramDev.endBlock = 127; // Last block in 2MB.
William Juul0e8cc8b2007-11-15 11:13:05 +0100141 ramDev.useNANDECC = 1;
142 ramDev.nShortOpCaches = 0; // Disable caching on this device.
143 ramDev.genericDevice = (void *) 0; // Used to identify the device in fstat.
144 ramDev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND;
145 ramDev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND;
146 ramDev.eraseBlockInNAND = yramdisk_EraseBlockInNAND;
147 ramDev.initialiseNAND = yramdisk_InitialiseNAND;
148
149 // /boot
150 bootDev.nBytesPerChunk = 612;
151 bootDev.nChunksPerBlock = 32;
152 bootDev.nReservedBlocks = 5;
153 bootDev.startBlock = 1; // Can't use block 0
Wolfgang Denk4b070802008-08-14 14:41:06 +0200154 bootDev.endBlock = 127; // Last block in 2MB.
William Juul0e8cc8b2007-11-15 11:13:05 +0100155 bootDev.useNANDECC = 0; // use YAFFS's ECC
156 bootDev.nShortOpCaches = 10; // Use caches
157 bootDev.genericDevice = (void *) 1; // Used to identify the device in fstat.
158 bootDev.writeChunkToNAND = yflash_WriteChunkToNAND;
159 bootDev.readChunkFromNAND = yflash_ReadChunkFromNAND;
160 bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
161 bootDev.initialiseNAND = yflash_InitialiseNAND;
William Juul90ef1172007-11-15 12:23:57 +0100162#endif
William Juul0e8cc8b2007-11-15 11:13:05 +0100163
164 // /flash
William Juul90ef1172007-11-15 12:23:57 +0100165 flashDev->nReservedBlocks = 5;
166// flashDev->nShortOpCaches = (options.no_cache) ? 0 : 10;
167 flashDev->nShortOpCaches = 10; // Use caches
168 flashDev->useNANDECC = 0; // do not use YAFFS's ECC
169
170 if (yaffsVersion == 2)
171 {
172 flashDev->writeChunkWithTagsToNAND = nandmtd2_WriteChunkWithTagsToNAND;
173 flashDev->readChunkWithTagsFromNAND = nandmtd2_ReadChunkWithTagsFromNAND;
174 flashDev->markNANDBlockBad = nandmtd2_MarkNANDBlockBad;
175 flashDev->queryNANDBlock = nandmtd2_QueryNANDBlock;
176 flashDev->spareBuffer = YMALLOC(mtd->oobsize);
177 flashDev->isYaffs2 = 1;
178#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
179 flashDev->nDataBytesPerChunk = mtd->writesize;
180 flashDev->nChunksPerBlock = mtd->erasesize / mtd->writesize;
181#else
182 flashDev->nDataBytesPerChunk = mtd->oobblock;
183 flashDev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
184#endif
185 nBlocks = mtd->size / mtd->erasesize;
186
187 flashDev->nCheckpointReservedBlocks = 10;
188 flashDev->startBlock = 0;
189 flashDev->endBlock = nBlocks - 1;
190 }
191 else
192 {
193 flashDev->writeChunkToNAND = nandmtd_WriteChunkToNAND;
194 flashDev->readChunkFromNAND = nandmtd_ReadChunkFromNAND;
195 flashDev->isYaffs2 = 0;
196 nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
197 flashDev->startBlock = 320;
198 flashDev->endBlock = nBlocks - 1;
199 flashDev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
200 flashDev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
201 }
Wolfgang Denk4b070802008-08-14 14:41:06 +0200202
William Juul90ef1172007-11-15 12:23:57 +0100203 /* ... and common functions */
204 flashDev->eraseBlockInNAND = nandmtd_EraseBlockInNAND;
205 flashDev->initialiseNAND = nandmtd_InitialiseNAND;
William Juul0e8cc8b2007-11-15 11:13:05 +0100206
207 yaffs_initialise(yaffsfs_config);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200208
William Juul0e8cc8b2007-11-15 11:13:05 +0100209 return 0;
210}
211
212
William Juul90ef1172007-11-15 12:23:57 +0100213void make_a_file(char *yaffsName,char bval,int sizeOfFile)
214{
215 int outh;
216 int i;
217 unsigned char buffer[100];
218
219 outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
220 if (outh < 0)
221 {
222 printf("Error opening file: %d\n", outh);
223 return;
224 }
Wolfgang Denk4b070802008-08-14 14:41:06 +0200225
William Juul90ef1172007-11-15 12:23:57 +0100226 memset(buffer,bval,100);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200227
William Juul90ef1172007-11-15 12:23:57 +0100228 do{
229 i = sizeOfFile;
230 if(i > 100) i = 100;
231 sizeOfFile -= i;
Wolfgang Denk4b070802008-08-14 14:41:06 +0200232
William Juul90ef1172007-11-15 12:23:57 +0100233 yaffs_write(outh,buffer,i);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200234
William Juul90ef1172007-11-15 12:23:57 +0100235 } while (sizeOfFile > 0);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200236
237
William Juul90ef1172007-11-15 12:23:57 +0100238 yaffs_close(outh);
239}
240
241void read_a_file(char *fn)
242{
243 int h;
244 int i = 0;
245 unsigned char b;
246
247 h = yaffs_open(fn, O_RDWR,0);
248 if(h<0)
249 {
250 printf("File not found\n");
251 return;
252 }
253
254 while(yaffs_read(h,&b,1)> 0)
255 {
256 printf("%02x ",b);
257 i++;
Wolfgang Denk4b070802008-08-14 14:41:06 +0200258 if(i > 32)
William Juul90ef1172007-11-15 12:23:57 +0100259 {
260 printf("\n");
261 i = 0;;
262 }
263 }
264 printf("\n");
265 yaffs_close(h);
266}
267
268void cmd_yaffs_mount(char *mp)
269{
270 yaffs_StartUp();
271 int retval = yaffs_mount(mp);
272 if( retval != -1)
273 isMounted = 1;
274 else
275 printf("Error mounting %s, return value: %d\n", mp, yaffsfs_GetError());
276}
277
278static void checkMount(void)
279{
280 if( !isMounted )
281 {
282 cmd_yaffs_mount(MOUNT_POINT);
283 }
284}
285
286void cmd_yaffs_umount(char *mp)
287{
288 checkMount();
289 if( yaffs_unmount(mp) == -1)
290 printf("Error umounting %s, return value: %d\n", mp, yaffsfs_GetError());
291}
292
293void cmd_yaffs_write_file(char *yaffsName,char bval,int sizeOfFile)
294{
295 checkMount();
296 make_a_file(yaffsName,bval,sizeOfFile);
297}
William Juul0e8cc8b2007-11-15 11:13:05 +0100298
299
William Juul90ef1172007-11-15 12:23:57 +0100300void cmd_yaffs_read_file(char *fn)
301{
302 checkMount();
303 read_a_file(fn);
304}
305
306
307void cmd_yaffs_mread_file(char *fn, char *addr)
308{
309 int h;
310 struct yaffs_stat s;
Wolfgang Denk4b070802008-08-14 14:41:06 +0200311
William Juul90ef1172007-11-15 12:23:57 +0100312 checkMount();
313
314 yaffs_stat(fn,&s);
315
Wolfgang Denk6ac360c2011-09-08 02:10:18 +0000316 printf ("Copy %s to 0x%p... ", fn, addr);
William Juul90ef1172007-11-15 12:23:57 +0100317 h = yaffs_open(fn, O_RDWR,0);
318 if(h<0)
319 {
320 printf("File not found\n");
321 return;
322 }
Wolfgang Denk4b070802008-08-14 14:41:06 +0200323
William Juul90ef1172007-11-15 12:23:57 +0100324 yaffs_read(h,addr,(int)s.st_size);
325 printf("\t[DONE]\n");
326
327 yaffs_close(h);
328}
329
330
331void cmd_yaffs_mwrite_file(char *fn, char *addr, int size)
332{
333 int outh;
334
335 checkMount();
336 outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
337 if (outh < 0)
338 {
339 printf("Error opening file: %d\n", outh);
340 }
Wolfgang Denk4b070802008-08-14 14:41:06 +0200341
William Juul90ef1172007-11-15 12:23:57 +0100342 yaffs_write(outh,addr,size);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200343
William Juul90ef1172007-11-15 12:23:57 +0100344 yaffs_close(outh);
345}
346
347
348void cmd_yaffs_ls(const char *mountpt, int longlist)
349{
350 int i;
351 yaffs_DIR *d;
352 yaffs_dirent *de;
353 struct yaffs_stat stat;
354 char tempstr[255];
355
356 checkMount();
357 d = yaffs_opendir(mountpt);
358
359 if(!d)
360 {
361 printf("opendir failed\n");
362 }
363 else
364 {
365 for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
366 {
367 if (longlist)
368 {
369 sprintf(tempstr, "%s/%s", mountpt, de->d_name);
370 yaffs_stat(tempstr, &stat);
Wolfgang Denk6ac360c2011-09-08 02:10:18 +0000371 printf("%-25s\t%7ld\n",de->d_name, stat.st_size);
William Juul90ef1172007-11-15 12:23:57 +0100372 }
373 else
374 {
375 printf("%s\n",de->d_name);
376 }
377 }
378 }
379}
380
381
382void cmd_yaffs_mkdir(const char *dir)
383{
384 checkMount();
385
386 int retval = yaffs_mkdir(dir, 0);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200387
William Juul90ef1172007-11-15 12:23:57 +0100388 if ( retval < 0)
389 printf("yaffs_mkdir returning error: %d\n", retval);
390}
391
392void cmd_yaffs_rmdir(const char *dir)
393{
394 checkMount();
395
396 int retval = yaffs_rmdir(dir);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200397
William Juul90ef1172007-11-15 12:23:57 +0100398 if ( retval < 0)
399 printf("yaffs_rmdir returning error: %d\n", retval);
400}
401
402void cmd_yaffs_rm(const char *path)
403{
404 checkMount();
405
406 int retval = yaffs_unlink(path);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200407
William Juul90ef1172007-11-15 12:23:57 +0100408 if ( retval < 0)
409 printf("yaffs_unlink returning error: %d\n", retval);
410}
411
412void cmd_yaffs_mv(const char *oldPath, const char *newPath)
413{
414 checkMount();
415
416 int retval = yaffs_rename(newPath, oldPath);
Wolfgang Denk4b070802008-08-14 14:41:06 +0200417
William Juul90ef1172007-11-15 12:23:57 +0100418 if ( retval < 0)
419 printf("yaffs_unlink returning error: %d\n", retval);
420}