aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mtd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/au1550nd.c143
-rw-r--r--drivers/mtd/nand/autcpu12.c53
-rw-r--r--drivers/mtd/nand/cs553x_nand.c30
-rw-r--r--drivers/mtd/nand/diskonchip.c415
-rw-r--r--drivers/mtd/nand/edb7312.c53
-rw-r--r--drivers/mtd/nand/h1910.c57
-rw-r--r--drivers/mtd/nand/nand_base.c694
-rw-r--r--drivers/mtd/nand/nand_bbt.c263
-rw-r--r--drivers/mtd/nand/nand_ecc.c29
-rw-r--r--drivers/mtd/nand/nand_ids.c12
-rw-r--r--drivers/mtd/nand/ppchameleonevb.c181
-rw-r--r--drivers/mtd/nand/rtc_from4.c256
-rw-r--r--drivers/mtd/nand/s3c2410.c79
-rw-r--r--drivers/mtd/nand/sharpsl.c93
-rw-r--r--drivers/mtd/nand/spia.c75
-rw-r--r--drivers/mtd/nand/toto.c65
-rw-r--r--drivers/mtd/nand/ts7250.c11
17 files changed, 1217 insertions, 1292 deletions
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index bde3550910a2..50cbfd4826fb 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -38,22 +38,20 @@
38 */ 38 */
39static struct mtd_info *au1550_mtd = NULL; 39static struct mtd_info *au1550_mtd = NULL;
40static void __iomem *p_nand; 40static void __iomem *p_nand;
41static int nand_width = 1; /* default x8*/ 41static int nand_width = 1; /* default x8 */
42 42
43/* 43/*
44 * Define partitions for flash device 44 * Define partitions for flash device
45 */ 45 */
46static const struct mtd_partition partition_info[] = { 46static const struct mtd_partition partition_info[] = {
47 { 47 {
48 .name = "NAND FS 0", 48 .name = "NAND FS 0",
49 .offset = 0, 49 .offset = 0,
50 .size = 8*1024*1024 50 .size = 8 * 1024 * 1024},
51 },
52 { 51 {
53 .name = "NAND FS 1", 52 .name = "NAND FS 1",
54 .offset = MTDPART_OFS_APPEND, 53 .offset = MTDPART_OFS_APPEND,
55 .size = MTDPART_SIZ_FULL 54 .size = MTDPART_SIZ_FULL}
56 }
57}; 55};
58 56
59/** 57/**
@@ -157,7 +155,7 @@ static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
157 int i; 155 int i;
158 struct nand_chip *this = mtd->priv; 156 struct nand_chip *this = mtd->priv;
159 157
160 for (i=0; i<len; i++) { 158 for (i = 0; i < len; i++) {
161 writeb(buf[i], this->IO_ADDR_W); 159 writeb(buf[i], this->IO_ADDR_W);
162 au_sync(); 160 au_sync();
163 } 161 }
@@ -176,7 +174,7 @@ static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len)
176 int i; 174 int i;
177 struct nand_chip *this = mtd->priv; 175 struct nand_chip *this = mtd->priv;
178 176
179 for (i=0; i<len; i++) { 177 for (i = 0; i < len; i++) {
180 buf[i] = readb(this->IO_ADDR_R); 178 buf[i] = readb(this->IO_ADDR_R);
181 au_sync(); 179 au_sync();
182 } 180 }
@@ -195,7 +193,7 @@ static int au_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
195 int i; 193 int i;
196 struct nand_chip *this = mtd->priv; 194 struct nand_chip *this = mtd->priv;
197 195
198 for (i=0; i<len; i++) { 196 for (i = 0; i < len; i++) {
199 if (buf[i] != readb(this->IO_ADDR_R)) 197 if (buf[i] != readb(this->IO_ADDR_R))
200 return -EFAULT; 198 return -EFAULT;
201 au_sync(); 199 au_sync();
@@ -219,7 +217,7 @@ static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
219 u16 *p = (u16 *) buf; 217 u16 *p = (u16 *) buf;
220 len >>= 1; 218 len >>= 1;
221 219
222 for (i=0; i<len; i++) { 220 for (i = 0; i < len; i++) {
223 writew(p[i], this->IO_ADDR_W); 221 writew(p[i], this->IO_ADDR_W);
224 au_sync(); 222 au_sync();
225 } 223 }
@@ -241,7 +239,7 @@ static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
241 u16 *p = (u16 *) buf; 239 u16 *p = (u16 *) buf;
242 len >>= 1; 240 len >>= 1;
243 241
244 for (i=0; i<len; i++) { 242 for (i = 0; i < len; i++) {
245 p[i] = readw(this->IO_ADDR_R); 243 p[i] = readw(this->IO_ADDR_R);
246 au_sync(); 244 au_sync();
247 } 245 }
@@ -262,7 +260,7 @@ static int au_verify_buf16(struct mtd_info *mtd, const u_char *buf, int len)
262 u16 *p = (u16 *) buf; 260 u16 *p = (u16 *) buf;
263 len >>= 1; 261 len >>= 1;
264 262
265 for (i=0; i<len; i++) { 263 for (i = 0; i < len; i++) {
266 if (p[i] != readw(this->IO_ADDR_R)) 264 if (p[i] != readw(this->IO_ADDR_R))
267 return -EFAULT; 265 return -EFAULT;
268 au_sync(); 266 au_sync();
@@ -275,27 +273,35 @@ static void au1550_hwcontrol(struct mtd_info *mtd, int cmd)
275{ 273{
276 register struct nand_chip *this = mtd->priv; 274 register struct nand_chip *this = mtd->priv;
277 275
278 switch(cmd){ 276 switch (cmd) {
277
278 case NAND_CTL_SETCLE:
279 this->IO_ADDR_W = p_nand + MEM_STNAND_CMD;
280 break;
281
282 case NAND_CTL_CLRCLE:
283 this->IO_ADDR_W = p_nand + MEM_STNAND_DATA;
284 break;
279 285
280 case NAND_CTL_SETCLE: this->IO_ADDR_W = p_nand + MEM_STNAND_CMD; break; 286 case NAND_CTL_SETALE:
281 case NAND_CTL_CLRCLE: this->IO_ADDR_W = p_nand + MEM_STNAND_DATA; break; 287 this->IO_ADDR_W = p_nand + MEM_STNAND_ADDR;
288 break;
282 289
283 case NAND_CTL_SETALE: this->IO_ADDR_W = p_nand + MEM_STNAND_ADDR; break;
284 case NAND_CTL_CLRALE: 290 case NAND_CTL_CLRALE:
285 this->IO_ADDR_W = p_nand + MEM_STNAND_DATA; 291 this->IO_ADDR_W = p_nand + MEM_STNAND_DATA;
286 /* FIXME: Nobody knows why this is neccecary, 292 /* FIXME: Nobody knows why this is necessary,
287 * but it works only that way */ 293 * but it works only that way */
288 udelay(1); 294 udelay(1);
289 break; 295 break;
290 296
291 case NAND_CTL_SETNCE: 297 case NAND_CTL_SETNCE:
292 /* assert (force assert) chip enable */ 298 /* assert (force assert) chip enable */
293 au_writel((1<<(4+NAND_CS)) , MEM_STNDCTL); break; 299 au_writel((1 << (4 + NAND_CS)), MEM_STNDCTL);
294 break; 300 break;
295 301
296 case NAND_CTL_CLRNCE: 302 case NAND_CTL_CLRNCE:
297 /* deassert chip enable */ 303 /* deassert chip enable */
298 au_writel(0, MEM_STNDCTL); break; 304 au_writel(0, MEM_STNDCTL);
299 break; 305 break;
300 } 306 }
301 307
@@ -315,66 +321,63 @@ int au1550_device_ready(struct mtd_info *mtd)
315/* 321/*
316 * Main initialization routine 322 * Main initialization routine
317 */ 323 */
318int __init au1xxx_nand_init (void) 324int __init au1xxx_nand_init(void)
319{ 325{
320 struct nand_chip *this; 326 struct nand_chip *this;
321 u16 boot_swapboot = 0; /* default value */ 327 u16 boot_swapboot = 0; /* default value */
322 int retval; 328 int retval;
323 u32 mem_staddr; 329 u32 mem_staddr;
324 u32 nand_phys; 330 u32 nand_phys;
325 331
326 /* Allocate memory for MTD device structure and private data */ 332 /* Allocate memory for MTD device structure and private data */
327 au1550_mtd = kmalloc (sizeof(struct mtd_info) + 333 au1550_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
328 sizeof (struct nand_chip), GFP_KERNEL);
329 if (!au1550_mtd) { 334 if (!au1550_mtd) {
330 printk ("Unable to allocate NAND MTD dev structure.\n"); 335 printk("Unable to allocate NAND MTD dev structure.\n");
331 return -ENOMEM; 336 return -ENOMEM;
332 } 337 }
333 338
334 /* Get pointer to private data */ 339 /* Get pointer to private data */
335 this = (struct nand_chip *) (&au1550_mtd[1]); 340 this = (struct nand_chip *)(&au1550_mtd[1]);
336 341
337 /* Initialize structures */ 342 /* Initialize structures */
338 memset((char *) au1550_mtd, 0, sizeof(struct mtd_info)); 343 memset(au1550_mtd, 0, sizeof(struct mtd_info));
339 memset((char *) this, 0, sizeof(struct nand_chip)); 344 memset(this, 0, sizeof(struct nand_chip));
340 345
341 /* Link the private data with the MTD structure */ 346 /* Link the private data with the MTD structure */
342 au1550_mtd->priv = this; 347 au1550_mtd->priv = this;
343 348
344
345 /* disable interrupts */ 349 /* disable interrupts */
346 au_writel(au_readl(MEM_STNDCTL) & ~(1<<8), MEM_STNDCTL); 350 au_writel(au_readl(MEM_STNDCTL) & ~(1 << 8), MEM_STNDCTL);
347 351
348 /* disable NAND boot */ 352 /* disable NAND boot */
349 au_writel(au_readl(MEM_STNDCTL) & ~(1<<0), MEM_STNDCTL); 353 au_writel(au_readl(MEM_STNDCTL) & ~(1 << 0), MEM_STNDCTL);
350 354
351#ifdef CONFIG_MIPS_PB1550 355#ifdef CONFIG_MIPS_PB1550
352 /* set gpio206 high */ 356 /* set gpio206 high */
353 au_writel(au_readl(GPIO2_DIR) & ~(1<<6), GPIO2_DIR); 357 au_writel(au_readl(GPIO2_DIR) & ~(1 << 6), GPIO2_DIR);
354 358
355 boot_swapboot = (au_readl(MEM_STSTAT) & (0x7<<1)) | 359 boot_swapboot = (au_readl(MEM_STSTAT) & (0x7 << 1)) | ((bcsr->status >> 6) & 0x1);
356 ((bcsr->status >> 6) & 0x1);
357 switch (boot_swapboot) { 360 switch (boot_swapboot) {
358 case 0: 361 case 0:
359 case 2: 362 case 2:
360 case 8: 363 case 8:
361 case 0xC: 364 case 0xC:
362 case 0xD: 365 case 0xD:
363 /* x16 NAND Flash */ 366 /* x16 NAND Flash */
364 nand_width = 0; 367 nand_width = 0;
365 break; 368 break;
366 case 1: 369 case 1:
367 case 9: 370 case 9:
368 case 3: 371 case 3:
369 case 0xE: 372 case 0xE:
370 case 0xF: 373 case 0xF:
371 /* x8 NAND Flash */ 374 /* x8 NAND Flash */
372 nand_width = 1; 375 nand_width = 1;
373 break; 376 break;
374 default: 377 default:
375 printk("Pb1550 NAND: bad boot:swap\n"); 378 printk("Pb1550 NAND: bad boot:swap\n");
376 retval = -EINVAL; 379 retval = -EINVAL;
377 goto outmem; 380 goto outmem;
378 } 381 }
379#endif 382#endif
380 383
@@ -424,14 +427,13 @@ int __init au1xxx_nand_init (void)
424 427
425 /* make controller and MTD agree */ 428 /* make controller and MTD agree */
426 if (NAND_CS == 0) 429 if (NAND_CS == 0)
427 nand_width = au_readl(MEM_STCFG0) & (1<<22); 430 nand_width = au_readl(MEM_STCFG0) & (1 << 22);
428 if (NAND_CS == 1) 431 if (NAND_CS == 1)
429 nand_width = au_readl(MEM_STCFG1) & (1<<22); 432 nand_width = au_readl(MEM_STCFG1) & (1 << 22);
430 if (NAND_CS == 2) 433 if (NAND_CS == 2)
431 nand_width = au_readl(MEM_STCFG2) & (1<<22); 434 nand_width = au_readl(MEM_STCFG2) & (1 << 22);
432 if (NAND_CS == 3) 435 if (NAND_CS == 3)
433 nand_width = au_readl(MEM_STCFG3) & (1<<22); 436 nand_width = au_readl(MEM_STCFG3) & (1 << 22);
434
435 437
436 /* Set address of hardware control function */ 438 /* Set address of hardware control function */
437 this->hwcontrol = au1550_hwcontrol; 439 this->hwcontrol = au1550_hwcontrol;
@@ -454,7 +456,7 @@ int __init au1xxx_nand_init (void)
454 this->verify_buf = (!nand_width) ? au_verify_buf16 : au_verify_buf; 456 this->verify_buf = (!nand_width) ? au_verify_buf16 : au_verify_buf;
455 457
456 /* Scan to find existence of the device */ 458 /* Scan to find existence of the device */
457 if (nand_scan (au1550_mtd, 1)) { 459 if (nand_scan(au1550_mtd, 1)) {
458 retval = -ENXIO; 460 retval = -ENXIO;
459 goto outio; 461 goto outio;
460 } 462 }
@@ -465,10 +467,10 @@ int __init au1xxx_nand_init (void)
465 return 0; 467 return 0;
466 468
467 outio: 469 outio:
468 iounmap ((void *)p_nand); 470 iounmap((void *)p_nand);
469 471
470 outmem: 472 outmem:
471 kfree (au1550_mtd); 473 kfree(au1550_mtd);
472 return retval; 474 return retval;
473} 475}
474 476
@@ -478,19 +480,20 @@ module_init(au1xxx_nand_init);
478 * Clean up routine 480 * Clean up routine
479 */ 481 */
480#ifdef MODULE 482#ifdef MODULE
481static void __exit au1550_cleanup (void) 483static void __exit au1550_cleanup(void)
482{ 484{
483 struct nand_chip *this = (struct nand_chip *) &au1550_mtd[1]; 485 struct nand_chip *this = (struct nand_chip *)&au1550_mtd[1];
484 486
485 /* Release resources, unregister device */ 487 /* Release resources, unregister device */
486 nand_release (au1550_mtd); 488 nand_release(au1550_mtd);
487 489
488 /* Free the MTD device structure */ 490 /* Free the MTD device structure */
489 kfree (au1550_mtd); 491 kfree(au1550_mtd);
490 492
491 /* Unmap */ 493 /* Unmap */
492 iounmap ((void *)p_nand); 494 iounmap((void *)p_nand);
493} 495}
496
494module_exit(au1550_cleanup); 497module_exit(au1550_cleanup);
495#endif 498#endif
496 499
diff --git a/drivers/mtd/nand/autcpu12.c b/drivers/mtd/nand/autcpu12.c
index a3c7fea404d0..9c9f21b0d260 100644
--- a/drivers/mtd/nand/autcpu12.c
+++ b/drivers/mtd/nand/autcpu12.c
@@ -47,7 +47,7 @@ static int autcpu12_io_base = CS89712_VIRT_BASE;
47static int autcpu12_fio_pbase = AUTCPU12_PHYS_SMC; 47static int autcpu12_fio_pbase = AUTCPU12_PHYS_SMC;
48static int autcpu12_fio_ctrl = AUTCPU12_SMC_SELECT_OFFSET; 48static int autcpu12_fio_ctrl = AUTCPU12_SMC_SELECT_OFFSET;
49static int autcpu12_pedr = AUTCPU12_SMC_PORT_OFFSET; 49static int autcpu12_pedr = AUTCPU12_SMC_PORT_OFFSET;
50static void __iomem * autcpu12_fio_base; 50static void __iomem *autcpu12_fio_base;
51 51
52/* 52/*
53 * Define partitions for flash devices 53 * Define partitions for flash devices
@@ -95,10 +95,10 @@ static struct mtd_partition partition_info128k[] = {
95/* 95/*
96 * hardware specific access to control-lines 96 * hardware specific access to control-lines
97*/ 97*/
98
98static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd) 99static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd)
99{ 100{
100 101 switch (cmd) {
101 switch(cmd){
102 102
103 case NAND_CTL_SETCLE: (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) |= AUTCPU12_SMC_CLE; break; 103 case NAND_CTL_SETCLE: (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) |= AUTCPU12_SMC_CLE; break;
104 case NAND_CTL_CLRCLE: (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) &= ~AUTCPU12_SMC_CLE; break; 104 case NAND_CTL_CLRCLE: (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) &= ~AUTCPU12_SMC_CLE; break;
@@ -117,41 +117,40 @@ static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd)
117int autcpu12_device_ready(struct mtd_info *mtd) 117int autcpu12_device_ready(struct mtd_info *mtd)
118{ 118{
119 119
120 return ( (*(volatile unsigned char *) (autcpu12_io_base + autcpu12_pedr)) & AUTCPU12_SMC_RDY) ? 1 : 0; 120 return ((*(volatile unsigned char *)(autcpu12_io_base + autcpu12_pedr)) & AUTCPU12_SMC_RDY) ? 1 : 0;
121 121
122} 122}
123 123
124/* 124/*
125 * Main initialization routine 125 * Main initialization routine
126 */ 126 */
127int __init autcpu12_init (void) 127int __init autcpu12_init(void)
128{ 128{
129 struct nand_chip *this; 129 struct nand_chip *this;
130 int err = 0; 130 int err = 0;
131 131
132 /* Allocate memory for MTD device structure and private data */ 132 /* Allocate memory for MTD device structure and private data */
133 autcpu12_mtd = kmalloc (sizeof(struct mtd_info) + sizeof (struct nand_chip), 133 autcpu12_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
134 GFP_KERNEL);
135 if (!autcpu12_mtd) { 134 if (!autcpu12_mtd) {
136 printk ("Unable to allocate AUTCPU12 NAND MTD device structure.\n"); 135 printk("Unable to allocate AUTCPU12 NAND MTD device structure.\n");
137 err = -ENOMEM; 136 err = -ENOMEM;
138 goto out; 137 goto out;
139 } 138 }
140 139
141 /* map physical adress */ 140 /* map physical adress */
142 autcpu12_fio_base = ioremap(autcpu12_fio_pbase,SZ_1K); 141 autcpu12_fio_base = ioremap(autcpu12_fio_pbase, SZ_1K);
143 if(!autcpu12_fio_base){ 142 if (!autcpu12_fio_base) {
144 printk("Ioremap autcpu12 SmartMedia Card failed\n"); 143 printk("Ioremap autcpu12 SmartMedia Card failed\n");
145 err = -EIO; 144 err = -EIO;
146 goto out_mtd; 145 goto out_mtd;
147 } 146 }
148 147
149 /* Get pointer to private data */ 148 /* Get pointer to private data */
150 this = (struct nand_chip *) (&autcpu12_mtd[1]); 149 this = (struct nand_chip *)(&autcpu12_mtd[1]);
151 150
152 /* Initialize structures */ 151 /* Initialize structures */
153 memset((char *) autcpu12_mtd, 0, sizeof(struct mtd_info)); 152 memset(autcpu12_mtd, 0, sizeof(struct mtd_info));
154 memset((char *) this, 0, sizeof(struct nand_chip)); 153 memset(this, 0, sizeof(struct nand_chip));
155 154
156 /* Link the private data with the MTD structure */ 155 /* Link the private data with the MTD structure */
157 autcpu12_mtd->priv = this; 156 autcpu12_mtd->priv = this;
@@ -167,35 +166,34 @@ int __init autcpu12_init (void)
167 166
168 /* Enable the following for a flash based bad block table */ 167 /* Enable the following for a flash based bad block table */
169 /* 168 /*
170 this->options = NAND_USE_FLASH_BBT; 169 this->options = NAND_USE_FLASH_BBT;
171 */ 170 */
172 this->options = NAND_USE_FLASH_BBT; 171 this->options = NAND_USE_FLASH_BBT;
173 172
174 /* Scan to find existance of the device */ 173 /* Scan to find existance of the device */
175 if (nand_scan (autcpu12_mtd, 1)) { 174 if (nand_scan(autcpu12_mtd, 1)) {
176 err = -ENXIO; 175 err = -ENXIO;
177 goto out_ior; 176 goto out_ior;
178 } 177 }
179 178
180 /* Register the partitions */ 179 /* Register the partitions */
181 switch(autcpu12_mtd->size){ 180 switch (autcpu12_mtd->size) {
182 case SZ_16M: add_mtd_partitions(autcpu12_mtd, partition_info16k, NUM_PARTITIONS16K); break; 181 case SZ_16M: add_mtd_partitions(autcpu12_mtd, partition_info16k, NUM_PARTITIONS16K); break;
183 case SZ_32M: add_mtd_partitions(autcpu12_mtd, partition_info32k, NUM_PARTITIONS32K); break; 182 case SZ_32M: add_mtd_partitions(autcpu12_mtd, partition_info32k, NUM_PARTITIONS32K); break;
184 case SZ_64M: add_mtd_partitions(autcpu12_mtd, partition_info64k, NUM_PARTITIONS64K); break; 183 case SZ_64M: add_mtd_partitions(autcpu12_mtd, partition_info64k, NUM_PARTITIONS64K); break;
185 case SZ_128M: add_mtd_partitions(autcpu12_mtd, partition_info128k, NUM_PARTITIONS128K); break; 184 case SZ_128M: add_mtd_partitions(autcpu12_mtd, partition_info128k, NUM_PARTITIONS128K); break;
186 default: { 185 default:
187 printk ("Unsupported SmartMedia device\n"); 186 printk("Unsupported SmartMedia device\n");
188 err = -ENXIO; 187 err = -ENXIO;
189 goto out_ior; 188 goto out_ior;
190 }
191 } 189 }
192 goto out; 190 goto out;
193 191
194out_ior: 192 out_ior:
195 iounmap((void *)autcpu12_fio_base); 193 iounmap((void *)autcpu12_fio_base);
196out_mtd: 194 out_mtd:
197 kfree (autcpu12_mtd); 195 kfree(autcpu12_mtd);
198out: 196 out:
199 return err; 197 return err;
200} 198}
201 199
@@ -205,17 +203,18 @@ module_init(autcpu12_init);
205 * Clean up routine 203 * Clean up routine
206 */ 204 */
207#ifdef MODULE 205#ifdef MODULE
208static void __exit autcpu12_cleanup (void) 206static void __exit autcpu12_cleanup(void)
209{ 207{
210 /* Release resources, unregister device */ 208 /* Release resources, unregister device */
211 nand_release (autcpu12_mtd); 209 nand_release(autcpu12_mtd);
212 210
213 /* unmap physical adress */ 211 /* unmap physical adress */
214 iounmap((void *)autcpu12_fio_base); 212 iounmap((void *)autcpu12_fio_base);
215 213
216 /* Free the MTD device structure */ 214 /* Free the MTD device structure */
217 kfree (autcpu12_mtd); 215 kfree(autcpu12_mtd);
218} 216}
217
219module_exit(autcpu12_cleanup); 218module_exit(autcpu12_cleanup);
220#endif 219#endif
221 220
diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c
index 4f0b338f2f30..fba7be5cffe3 100644
--- a/drivers/mtd/nand/cs553x_nand.c
+++ b/drivers/mtd/nand/cs553x_nand.c
@@ -50,7 +50,7 @@
50 50
51/* Pin function selection MSR (IDE vs. flash on the IDE pins) */ 51/* Pin function selection MSR (IDE vs. flash on the IDE pins) */
52#define MSR_DIVIL_BALL_OPTS 0x51400015 52#define MSR_DIVIL_BALL_OPTS 0x51400015
53#define PIN_OPT_IDE (1<<0) /* 0 for flash, 1 for IDE */ 53#define PIN_OPT_IDE (1<<0) /* 0 for flash, 1 for IDE */
54 54
55/* Registers within the NAND flash controller BAR -- memory mapped */ 55/* Registers within the NAND flash controller BAR -- memory mapped */
56#define MM_NAND_DATA 0x00 /* 0 to 0x7ff, in fact */ 56#define MM_NAND_DATA 0x00 /* 0 to 0x7ff, in fact */
@@ -128,7 +128,7 @@ static void cs553x_write_byte(struct mtd_info *mtd, u_char byte)
128 udelay(1); 128 udelay(1);
129 i--; 129 i--;
130 } 130 }
131 writeb(byte, this->IO_ADDR_W+0x801); 131 writeb(byte, this->IO_ADDR_W + 0x801);
132} 132}
133 133
134static void cs553x_hwcontrol(struct mtd_info *mtd, int cmd) 134static void cs553x_hwcontrol(struct mtd_info *mtd, int cmd)
@@ -137,7 +137,7 @@ static void cs553x_hwcontrol(struct mtd_info *mtd, int cmd)
137 void __iomem *mmio_base = this->IO_ADDR_R; 137 void __iomem *mmio_base = this->IO_ADDR_R;
138 unsigned char ctl; 138 unsigned char ctl;
139 139
140 switch(cmd) { 140 switch (cmd) {
141 case NAND_CTL_SETCLE: 141 case NAND_CTL_SETCLE:
142 ctl = CS_NAND_CTL_CLE; 142 ctl = CS_NAND_CTL_CLE;
143 break; 143 break;
@@ -160,17 +160,15 @@ static void cs553x_hwcontrol(struct mtd_info *mtd, int cmd)
160 writeb(ctl, mmio_base + MM_NAND_CTL); 160 writeb(ctl, mmio_base + MM_NAND_CTL);
161} 161}
162 162
163
164static int cs553x_device_ready(struct mtd_info *mtd) 163static int cs553x_device_ready(struct mtd_info *mtd)
165{ 164{
166 struct nand_chip *this = mtd->priv; 165 struct nand_chip *this = mtd->priv;
167 void __iomem *mmio_base = this->IO_ADDR_R; 166 void __iomem *mmio_base = this->IO_ADDR_R;
168 unsigned char foo = readb(mmio_base + MM_NAND_STS); 167 unsigned char foo = readb(mmio_base + MM_NAND_STS);
169 168
170 return (foo & CS_NAND_STS_FLASH_RDY) && !(foo & CS_NAND_CTLR_BUSY); 169 return (foo & CS_NAND_STS_FLASH_RDY) && !(foo & CS_NAND_CTLR_BUSY);
171} 170}
172 171
173
174static void cs_enable_hwecc(struct mtd_info *mtd, int mode) 172static void cs_enable_hwecc(struct mtd_info *mtd, int mode)
175{ 173{
176 struct nand_chip *this = mtd->priv; 174 struct nand_chip *this = mtd->priv;
@@ -209,7 +207,7 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr)
209 } 207 }
210 208
211 /* Allocate memory for MTD device structure and private data */ 209 /* Allocate memory for MTD device structure and private data */
212 new_mtd = kmalloc(sizeof(struct mtd_info) + sizeof (struct nand_chip), GFP_KERNEL); 210 new_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
213 if (!new_mtd) { 211 if (!new_mtd) {
214 printk(KERN_WARNING "Unable to allocate CS553X NAND MTD device structure.\n"); 212 printk(KERN_WARNING "Unable to allocate CS553X NAND MTD device structure.\n");
215 err = -ENOMEM; 213 err = -ENOMEM;
@@ -217,7 +215,7 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr)
217 } 215 }
218 216
219 /* Get pointer to private data */ 217 /* Get pointer to private data */
220 this = (struct nand_chip *) (&new_mtd[1]); 218 this = (struct nand_chip *)(&new_mtd[1]);
221 219
222 /* Initialize structures */ 220 /* Initialize structures */
223 memset(new_mtd, 0, sizeof(struct mtd_info)); 221 memset(new_mtd, 0, sizeof(struct mtd_info));
@@ -286,16 +284,16 @@ int __init cs553x_init(void)
286 return -ENXIO; 284 return -ENXIO;
287 } 285 }
288 286
289 for (i=0; i<NR_CS553X_CONTROLLERS; i++) { 287 for (i = 0; i < NR_CS553X_CONTROLLERS; i++) {
290 rdmsrl(MSR_DIVIL_LBAR_FLSH0+i, val); 288 rdmsrl(MSR_DIVIL_LBAR_FLSH0 + i, val);
291 289
292 if ((val & (FLSH_LBAR_EN|FLSH_NOR_NAND)) == (FLSH_LBAR_EN|FLSH_NOR_NAND)) 290 if ((val & (FLSH_LBAR_EN|FLSH_NOR_NAND)) == (FLSH_LBAR_EN|FLSH_NOR_NAND))
293 err = cs553x_init_one(i, !!(val & FLSH_MEM_IO), val & 0xFFFFFFFF); 291 err = cs553x_init_one(i, !!(val & FLSH_MEM_IO), val & 0xFFFFFFFF);
294 } 292 }
295 293
296 /* Register all devices together here. This means we can easily hack it to 294 /* Register all devices together here. This means we can easily hack it to
297 do mtdconcat etc. if we want to. */ 295 do mtdconcat etc. if we want to. */
298 for (i=0; i<NR_CS553X_CONTROLLERS; i++) { 296 for (i = 0; i < NR_CS553X_CONTROLLERS; i++) {
299 if (cs553x_mtd[i]) { 297 if (cs553x_mtd[i]) {
300 add_mtd_device(cs553x_mtd[i]); 298 add_mtd_device(cs553x_mtd[i]);
301 299
@@ -306,13 +304,14 @@ int __init cs553x_init(void)
306 304
307 return err; 305 return err;
308} 306}
307
309module_init(cs553x_init); 308module_init(cs553x_init);
310 309
311static void __exit cs553x_cleanup (void) 310static void __exit cs553x_cleanup(void)
312{ 311{
313 int i; 312 int i;
314 313
315 for (i=0; i<NR_CS553X_CONTROLLERS; i++) { 314 for (i = 0; i < NR_CS553X_CONTROLLERS; i++) {
316 struct mtd_info *mtd = cs553x_mtd[i]; 315 struct mtd_info *mtd = cs553x_mtd[i];
317 struct nand_chip *this; 316 struct nand_chip *this;
318 void __iomem *mmio_base; 317 void __iomem *mmio_base;
@@ -324,7 +323,7 @@ static void __exit cs553x_cleanup (void)
324 mmio_base = this->IO_ADDR_R; 323 mmio_base = this->IO_ADDR_R;
325 324
326 /* Release resources, unregister device */ 325 /* Release resources, unregister device */
327 nand_release (cs553x_mtd[i]); 326 nand_release(cs553x_mtd[i]);
328 cs553x_mtd[i] = NULL; 327 cs553x_mtd[i] = NULL;
329 328
330 /* unmap physical adress */ 329 /* unmap physical adress */
@@ -334,6 +333,7 @@ static void __exit cs553x_cleanup (void)
334 kfree(mtd); 333 kfree(mtd);
335 } 334 }
336} 335}
336
337module_exit(cs553x_cleanup); 337module_exit(cs553x_cleanup);
338 338
339MODULE_LICENSE("GPL"); 339MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index ec5e45e4e4ef..a2391c66a63f 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -58,10 +58,10 @@ static unsigned long __initdata doc_locations[] = {
58 0xe4000000, 58 0xe4000000,
59#elif defined(CONFIG_MOMENCO_OCELOT) 59#elif defined(CONFIG_MOMENCO_OCELOT)
60 0x2f000000, 60 0x2f000000,
61 0xff000000, 61 0xff000000,
62#elif defined(CONFIG_MOMENCO_OCELOT_G) || defined (CONFIG_MOMENCO_OCELOT_C) 62#elif defined(CONFIG_MOMENCO_OCELOT_G) || defined (CONFIG_MOMENCO_OCELOT_C)
63 0xff000000, 63 0xff000000,
64##else 64#else
65#warning Unknown architecture for DiskOnChip. No default probe locations defined 65#warning Unknown architecture for DiskOnChip. No default probe locations defined
66#endif 66#endif
67 0xffffffff }; 67 0xffffffff };
@@ -73,7 +73,7 @@ struct doc_priv {
73 unsigned long physadr; 73 unsigned long physadr;
74 u_char ChipID; 74 u_char ChipID;
75 u_char CDSNControl; 75 u_char CDSNControl;
76 int chips_per_floor; /* The number of chips detected on each floor */ 76 int chips_per_floor; /* The number of chips detected on each floor */
77 int curfloor; 77 int curfloor;
78 int curchip; 78 int curchip;
79 int mh0_page; 79 int mh0_page;
@@ -84,6 +84,7 @@ struct doc_priv {
84/* This is the syndrome computed by the HW ecc generator upon reading an empty 84/* This is the syndrome computed by the HW ecc generator upon reading an empty
85 page, one with all 0xff for data and stored ecc code. */ 85 page, one with all 0xff for data and stored ecc code. */
86static u_char empty_read_syndrome[6] = { 0x26, 0xff, 0x6d, 0x47, 0x73, 0x7a }; 86static u_char empty_read_syndrome[6] = { 0x26, 0xff, 0x6d, 0x47, 0x73, 0x7a };
87
87/* This is the ecc value computed by the HW ecc generator upon writing an empty 88/* This is the ecc value computed by the HW ecc generator upon writing an empty
88 page, one with all 0xff for data. */ 89 page, one with all 0xff for data. */
89static u_char empty_write_ecc[6] = { 0x4b, 0x00, 0xe2, 0x0e, 0x93, 0xf7 }; 90static u_char empty_write_ecc[6] = { 0x4b, 0x00, 0xe2, 0x0e, 0x93, 0xf7 };
@@ -97,25 +98,25 @@ static u_char empty_write_ecc[6] = { 0x4b, 0x00, 0xe2, 0x0e, 0x93, 0xf7 };
97static void doc200x_hwcontrol(struct mtd_info *mtd, int cmd); 98static void doc200x_hwcontrol(struct mtd_info *mtd, int cmd);
98static void doc200x_select_chip(struct mtd_info *mtd, int chip); 99static void doc200x_select_chip(struct mtd_info *mtd, int chip);
99 100
100static int debug=0; 101static int debug = 0;
101module_param(debug, int, 0); 102module_param(debug, int, 0);
102 103
103static int try_dword=1; 104static int try_dword = 1;
104module_param(try_dword, int, 0); 105module_param(try_dword, int, 0);
105 106
106static int no_ecc_failures=0; 107static int no_ecc_failures = 0;
107module_param(no_ecc_failures, int, 0); 108module_param(no_ecc_failures, int, 0);
108 109
109static int no_autopart=0; 110static int no_autopart = 0;
110module_param(no_autopart, int, 0); 111module_param(no_autopart, int, 0);
111 112
112static int show_firmware_partition=0; 113static int show_firmware_partition = 0;
113module_param(show_firmware_partition, int, 0); 114module_param(show_firmware_partition, int, 0);
114 115
115#ifdef MTD_NAND_DISKONCHIP_BBTWRITE 116#ifdef MTD_NAND_DISKONCHIP_BBTWRITE
116static int inftl_bbt_write=1; 117static int inftl_bbt_write = 1;
117#else 118#else
118static int inftl_bbt_write=0; 119static int inftl_bbt_write = 0;
119#endif 120#endif
120module_param(inftl_bbt_write, int, 0); 121module_param(inftl_bbt_write, int, 0);
121 122
@@ -123,7 +124,6 @@ static unsigned long doc_config_location = CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDR
123module_param(doc_config_location, ulong, 0); 124module_param(doc_config_location, ulong, 0);
124MODULE_PARM_DESC(doc_config_location, "Physical memory address at which to probe for DiskOnChip"); 125MODULE_PARM_DESC(doc_config_location, "Physical memory address at which to probe for DiskOnChip");
125 126
126
127/* Sector size for HW ECC */ 127/* Sector size for HW ECC */
128#define SECTOR_SIZE 512 128#define SECTOR_SIZE 512
129/* The sector bytes are packed into NB_DATA 10 bit words */ 129/* The sector bytes are packed into NB_DATA 10 bit words */
@@ -147,7 +147,7 @@ static struct rs_control *rs_decoder;
147 * some comments, improved a minor bit and converted it to make use 147 * some comments, improved a minor bit and converted it to make use
148 * of the generic Reed-Solomon libary. tglx 148 * of the generic Reed-Solomon libary. tglx
149 */ 149 */
150static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc) 150static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc)
151{ 151{
152 int i, j, nerr, errpos[8]; 152 int i, j, nerr, errpos[8];
153 uint8_t parity; 153 uint8_t parity;
@@ -168,18 +168,18 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc)
168 * s[i] = ds[3]x^3 + ds[2]x^2 + ds[1]x^1 + ds[0] 168 * s[i] = ds[3]x^3 + ds[2]x^2 + ds[1]x^1 + ds[0]
169 * where x = alpha^(FCR + i) 169 * where x = alpha^(FCR + i)
170 */ 170 */
171 for(j = 1; j < NROOTS; j++) { 171 for (j = 1; j < NROOTS; j++) {
172 if(ds[j] == 0) 172 if (ds[j] == 0)
173 continue; 173 continue;
174 tmp = rs->index_of[ds[j]]; 174 tmp = rs->index_of[ds[j]];
175 for(i = 0; i < NROOTS; i++) 175 for (i = 0; i < NROOTS; i++)
176 s[i] ^= rs->alpha_to[rs_modnn(rs, tmp + (FCR + i) * j)]; 176 s[i] ^= rs->alpha_to[rs_modnn(rs, tmp + (FCR + i) * j)];
177 } 177 }
178 178
179 /* Calc s[i] = s[i] / alpha^(v + i) */ 179 /* Calc s[i] = s[i] / alpha^(v + i) */
180 for (i = 0; i < NROOTS; i++) { 180 for (i = 0; i < NROOTS; i++) {
181 if (syn[i]) 181 if (syn[i])
182 syn[i] = rs_modnn(rs, rs->index_of[s[i]] + (NN - FCR - i)); 182 syn[i] = rs_modnn(rs, rs->index_of[s[i]] + (NN - FCR - i));
183 } 183 }
184 /* Call the decoder library */ 184 /* Call the decoder library */
185 nerr = decode_rs16(rs, NULL, NULL, 1019, syn, 0, errpos, 0, errval); 185 nerr = decode_rs16(rs, NULL, NULL, 1019, syn, 0, errpos, 0, errval);
@@ -193,7 +193,7 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc)
193 * but they are given by the design of the de/encoder circuit 193 * but they are given by the design of the de/encoder circuit
194 * in the DoC ASIC's. 194 * in the DoC ASIC's.
195 */ 195 */
196 for(i = 0;i < nerr; i++) { 196 for (i = 0; i < nerr; i++) {
197 int index, bitpos, pos = 1015 - errpos[i]; 197 int index, bitpos, pos = 1015 - errpos[i];
198 uint8_t val; 198 uint8_t val;
199 if (pos >= NB_DATA && pos < 1019) 199 if (pos >= NB_DATA && pos < 1019)
@@ -205,8 +205,7 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc)
205 can be modified since pos is even */ 205 can be modified since pos is even */
206 index = (pos >> 3) ^ 1; 206 index = (pos >> 3) ^ 1;
207 bitpos = pos & 7; 207 bitpos = pos & 7;
208 if ((index >= 0 && index < SECTOR_SIZE) || 208 if ((index >= 0 && index < SECTOR_SIZE) || index == (SECTOR_SIZE + 1)) {
209 index == (SECTOR_SIZE + 1)) {
210 val = (uint8_t) (errval[i] >> (2 + bitpos)); 209 val = (uint8_t) (errval[i] >> (2 + bitpos));
211 parity ^= val; 210 parity ^= val;
212 if (index < SECTOR_SIZE) 211 if (index < SECTOR_SIZE)
@@ -216,9 +215,8 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc)
216 bitpos = (bitpos + 10) & 7; 215 bitpos = (bitpos + 10) & 7;
217 if (bitpos == 0) 216 if (bitpos == 0)
218 bitpos = 8; 217 bitpos = 8;
219 if ((index >= 0 && index < SECTOR_SIZE) || 218 if ((index >= 0 && index < SECTOR_SIZE) || index == (SECTOR_SIZE + 1)) {
220 index == (SECTOR_SIZE + 1)) { 219 val = (uint8_t) (errval[i] << (8 - bitpos));
221 val = (uint8_t)(errval[i] << (8 - bitpos));
222 parity ^= val; 220 parity ^= val;
223 if (index < SECTOR_SIZE) 221 if (index < SECTOR_SIZE)
224 data[index] ^= val; 222 data[index] ^= val;
@@ -250,10 +248,11 @@ static void DoC_Delay(struct doc_priv *doc, unsigned short cycles)
250/* DOC_WaitReady: Wait for RDY line to be asserted by the flash chip */ 248/* DOC_WaitReady: Wait for RDY line to be asserted by the flash chip */
251static int _DoC_WaitReady(struct doc_priv *doc) 249static int _DoC_WaitReady(struct doc_priv *doc)
252{ 250{
253 void __iomem *docptr = doc->virtadr; 251 void __iomem *docptr = doc->virtadr;
254 unsigned long timeo = jiffies + (HZ * 10); 252 unsigned long timeo = jiffies + (HZ * 10);
255 253
256 if(debug) printk("_DoC_WaitReady...\n"); 254 if (debug)
255 printk("_DoC_WaitReady...\n");
257 /* Out-of-line routine to wait for chip response */ 256 /* Out-of-line routine to wait for chip response */
258 if (DoC_is_MillenniumPlus(doc)) { 257 if (DoC_is_MillenniumPlus(doc)) {
259 while ((ReadDOC(docptr, Mplus_FlashControl) & CDSN_CTRL_FR_B_MASK) != CDSN_CTRL_FR_B_MASK) { 258 while ((ReadDOC(docptr, Mplus_FlashControl) & CDSN_CTRL_FR_B_MASK) != CDSN_CTRL_FR_B_MASK) {
@@ -280,7 +279,7 @@ static int _DoC_WaitReady(struct doc_priv *doc)
280 279
281static inline int DoC_WaitReady(struct doc_priv *doc) 280static inline int DoC_WaitReady(struct doc_priv *doc)
282{ 281{
283 void __iomem *docptr = doc->virtadr; 282 void __iomem *docptr = doc->virtadr;
284 int ret = 0; 283 int ret = 0;
285 284
286 if (DoC_is_MillenniumPlus(doc)) { 285 if (DoC_is_MillenniumPlus(doc)) {
@@ -298,7 +297,8 @@ static inline int DoC_WaitReady(struct doc_priv *doc)
298 DoC_Delay(doc, 2); 297 DoC_Delay(doc, 2);
299 } 298 }
300 299
301 if(debug) printk("DoC_WaitReady OK\n"); 300 if (debug)
301 printk("DoC_WaitReady OK\n");
302 return ret; 302 return ret;
303} 303}
304 304
@@ -306,9 +306,10 @@ static void doc2000_write_byte(struct mtd_info *mtd, u_char datum)
306{ 306{
307 struct nand_chip *this = mtd->priv; 307 struct nand_chip *this = mtd->priv;
308 struct doc_priv *doc = this->priv; 308 struct doc_priv *doc = this->priv;
309 void __iomem *docptr = doc->virtadr; 309 void __iomem *docptr = doc->virtadr;
310 310
311 if(debug)printk("write_byte %02x\n", datum); 311 if (debug)
312 printk("write_byte %02x\n", datum);
312 WriteDOC(datum, docptr, CDSNSlowIO); 313 WriteDOC(datum, docptr, CDSNSlowIO);
313 WriteDOC(datum, docptr, 2k_CDSN_IO); 314 WriteDOC(datum, docptr, 2k_CDSN_IO);
314} 315}
@@ -317,77 +318,78 @@ static u_char doc2000_read_byte(struct mtd_info *mtd)
317{ 318{
318 struct nand_chip *this = mtd->priv; 319 struct nand_chip *this = mtd->priv;
319 struct doc_priv *doc = this->priv; 320 struct doc_priv *doc = this->priv;
320 void __iomem *docptr = doc->virtadr; 321 void __iomem *docptr = doc->virtadr;
321 u_char ret; 322 u_char ret;
322 323
323 ReadDOC(docptr, CDSNSlowIO); 324 ReadDOC(docptr, CDSNSlowIO);
324 DoC_Delay(doc, 2); 325 DoC_Delay(doc, 2);
325 ret = ReadDOC(docptr, 2k_CDSN_IO); 326 ret = ReadDOC(docptr, 2k_CDSN_IO);
326 if (debug) printk("read_byte returns %02x\n", ret); 327 if (debug)
328 printk("read_byte returns %02x\n", ret);
327 return ret; 329 return ret;
328} 330}
329 331
330static void doc2000_writebuf(struct mtd_info *mtd, 332static void doc2000_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
331 const u_char *buf, int len)
332{ 333{
333 struct nand_chip *this = mtd->priv; 334 struct nand_chip *this = mtd->priv;
334 struct doc_priv *doc = this->priv; 335 struct doc_priv *doc = this->priv;
335 void __iomem *docptr = doc->virtadr; 336 void __iomem *docptr = doc->virtadr;
336 int i; 337 int i;
337 if (debug)printk("writebuf of %d bytes: ", len); 338 if (debug)
338 for (i=0; i < len; i++) { 339 printk("writebuf of %d bytes: ", len);
340 for (i = 0; i < len; i++) {
339 WriteDOC_(buf[i], docptr, DoC_2k_CDSN_IO + i); 341 WriteDOC_(buf[i], docptr, DoC_2k_CDSN_IO + i);
340 if (debug && i < 16) 342 if (debug && i < 16)
341 printk("%02x ", buf[i]); 343 printk("%02x ", buf[i]);
342 } 344 }
343 if (debug) printk("\n"); 345 if (debug)
346 printk("\n");
344} 347}
345 348
346static void doc2000_readbuf(struct mtd_info *mtd, 349static void doc2000_readbuf(struct mtd_info *mtd, u_char *buf, int len)
347 u_char *buf, int len)
348{ 350{
349 struct nand_chip *this = mtd->priv; 351 struct nand_chip *this = mtd->priv;
350 struct doc_priv *doc = this->priv; 352 struct doc_priv *doc = this->priv;
351 void __iomem *docptr = doc->virtadr; 353 void __iomem *docptr = doc->virtadr;
352 int i; 354 int i;
353 355
354 if (debug)printk("readbuf of %d bytes: ", len); 356 if (debug)
357 printk("readbuf of %d bytes: ", len);
355 358
356 for (i=0; i < len; i++) { 359 for (i = 0; i < len; i++) {
357 buf[i] = ReadDOC(docptr, 2k_CDSN_IO + i); 360 buf[i] = ReadDOC(docptr, 2k_CDSN_IO + i);
358 } 361 }
359} 362}
360 363
361static void doc2000_readbuf_dword(struct mtd_info *mtd, 364static void doc2000_readbuf_dword(struct mtd_info *mtd, u_char *buf, int len)
362 u_char *buf, int len)
363{ 365{
364 struct nand_chip *this = mtd->priv; 366 struct nand_chip *this = mtd->priv;
365 struct doc_priv *doc = this->priv; 367 struct doc_priv *doc = this->priv;
366 void __iomem *docptr = doc->virtadr; 368 void __iomem *docptr = doc->virtadr;
367 int i; 369 int i;
368 370
369 if (debug) printk("readbuf_dword of %d bytes: ", len); 371 if (debug)
372 printk("readbuf_dword of %d bytes: ", len);
370 373
371 if (unlikely((((unsigned long)buf)|len) & 3)) { 374 if (unlikely((((unsigned long)buf) | len) & 3)) {
372 for (i=0; i < len; i++) { 375 for (i = 0; i < len; i++) {
373 *(uint8_t *)(&buf[i]) = ReadDOC(docptr, 2k_CDSN_IO + i); 376 *(uint8_t *) (&buf[i]) = ReadDOC(docptr, 2k_CDSN_IO + i);
374 } 377 }
375 } else { 378 } else {
376 for (i=0; i < len; i+=4) { 379 for (i = 0; i < len; i += 4) {
377 *(uint32_t*)(&buf[i]) = readl(docptr + DoC_2k_CDSN_IO + i); 380 *(uint32_t *) (&buf[i]) = readl(docptr + DoC_2k_CDSN_IO + i);
378 } 381 }
379 } 382 }
380} 383}
381 384
382static int doc2000_verifybuf(struct mtd_info *mtd, 385static int doc2000_verifybuf(struct mtd_info *mtd, const u_char *buf, int len)
383 const u_char *buf, int len)
384{ 386{
385 struct nand_chip *this = mtd->priv; 387 struct nand_chip *this = mtd->priv;
386 struct doc_priv *doc = this->priv; 388 struct doc_priv *doc = this->priv;
387 void __iomem *docptr = doc->virtadr; 389 void __iomem *docptr = doc->virtadr;
388 int i; 390 int i;
389 391
390 for (i=0; i < len; i++) 392 for (i = 0; i < len; i++)
391 if (buf[i] != ReadDOC(docptr, 2k_CDSN_IO)) 393 if (buf[i] != ReadDOC(docptr, 2k_CDSN_IO))
392 return -EFAULT; 394 return -EFAULT;
393 return 0; 395 return 0;
@@ -482,7 +484,7 @@ static void doc2001_write_byte(struct mtd_info *mtd, u_char datum)
482{ 484{
483 struct nand_chip *this = mtd->priv; 485 struct nand_chip *this = mtd->priv;
484 struct doc_priv *doc = this->priv; 486 struct doc_priv *doc = this->priv;
485 void __iomem *docptr = doc->virtadr; 487 void __iomem *docptr = doc->virtadr;
486 488
487 WriteDOC(datum, docptr, CDSNSlowIO); 489 WriteDOC(datum, docptr, CDSNSlowIO);
488 WriteDOC(datum, docptr, Mil_CDSN_IO); 490 WriteDOC(datum, docptr, Mil_CDSN_IO);
@@ -493,7 +495,7 @@ static u_char doc2001_read_byte(struct mtd_info *mtd)
493{ 495{
494 struct nand_chip *this = mtd->priv; 496 struct nand_chip *this = mtd->priv;
495 struct doc_priv *doc = this->priv; 497 struct doc_priv *doc = this->priv;
496 void __iomem *docptr = doc->virtadr; 498 void __iomem *docptr = doc->virtadr;
497 499
498 //ReadDOC(docptr, CDSNSlowIO); 500 //ReadDOC(docptr, CDSNSlowIO);
499 /* 11.4.5 -- delay twice to allow extended length cycle */ 501 /* 11.4.5 -- delay twice to allow extended length cycle */
@@ -503,50 +505,47 @@ static u_char doc2001_read_byte(struct mtd_info *mtd)
503 return ReadDOC(docptr, LastDataRead); 505 return ReadDOC(docptr, LastDataRead);
504} 506}
505 507
506static void doc2001_writebuf(struct mtd_info *mtd, 508static void doc2001_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
507 const u_char *buf, int len)
508{ 509{
509 struct nand_chip *this = mtd->priv; 510 struct nand_chip *this = mtd->priv;
510 struct doc_priv *doc = this->priv; 511 struct doc_priv *doc = this->priv;
511 void __iomem *docptr = doc->virtadr; 512 void __iomem *docptr = doc->virtadr;
512 int i; 513 int i;
513 514
514 for (i=0; i < len; i++) 515 for (i = 0; i < len; i++)
515 WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i); 516 WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i);
516 /* Terminate write pipeline */ 517 /* Terminate write pipeline */
517 WriteDOC(0x00, docptr, WritePipeTerm); 518 WriteDOC(0x00, docptr, WritePipeTerm);
518} 519}
519 520
520static void doc2001_readbuf(struct mtd_info *mtd, 521static void doc2001_readbuf(struct mtd_info *mtd, u_char *buf, int len)
521 u_char *buf, int len)
522{ 522{
523 struct nand_chip *this = mtd->priv; 523 struct nand_chip *this = mtd->priv;
524 struct doc_priv *doc = this->priv; 524 struct doc_priv *doc = this->priv;
525 void __iomem *docptr = doc->virtadr; 525 void __iomem *docptr = doc->virtadr;
526 int i; 526 int i;
527 527
528 /* Start read pipeline */ 528 /* Start read pipeline */
529 ReadDOC(docptr, ReadPipeInit); 529 ReadDOC(docptr, ReadPipeInit);
530 530
531 for (i=0; i < len-1; i++) 531 for (i = 0; i < len - 1; i++)
532 buf[i] = ReadDOC(docptr, Mil_CDSN_IO + (i & 0xff)); 532 buf[i] = ReadDOC(docptr, Mil_CDSN_IO + (i & 0xff));
533 533
534 /* Terminate read pipeline */ 534 /* Terminate read pipeline */
535 buf[i] = ReadDOC(docptr, LastDataRead); 535 buf[i] = ReadDOC(docptr, LastDataRead);
536} 536}
537 537
538static int doc2001_verifybuf(struct mtd_info *mtd, 538static int doc2001_verifybuf(struct mtd_info *mtd, const u_char *buf, int len)
539 const u_char *buf, int len)
540{ 539{
541 struct nand_chip *this = mtd->priv; 540 struct nand_chip *this = mtd->priv;
542 struct doc_priv *doc = this->priv; 541 struct doc_priv *doc = this->priv;
543 void __iomem *docptr = doc->virtadr; 542 void __iomem *docptr = doc->virtadr;
544 int i; 543 int i;
545 544
546 /* Start read pipeline */ 545 /* Start read pipeline */
547 ReadDOC(docptr, ReadPipeInit); 546 ReadDOC(docptr, ReadPipeInit);
548 547
549 for (i=0; i < len-1; i++) 548 for (i = 0; i < len - 1; i++)
550 if (buf[i] != ReadDOC(docptr, Mil_CDSN_IO)) { 549 if (buf[i] != ReadDOC(docptr, Mil_CDSN_IO)) {
551 ReadDOC(docptr, LastDataRead); 550 ReadDOC(docptr, LastDataRead);
552 return i; 551 return i;
@@ -560,87 +559,90 @@ static u_char doc2001plus_read_byte(struct mtd_info *mtd)
560{ 559{
561 struct nand_chip *this = mtd->priv; 560 struct nand_chip *this = mtd->priv;
562 struct doc_priv *doc = this->priv; 561 struct doc_priv *doc = this->priv;
563 void __iomem *docptr = doc->virtadr; 562 void __iomem *docptr = doc->virtadr;
564 u_char ret; 563 u_char ret;
565 564
566 ReadDOC(docptr, Mplus_ReadPipeInit); 565 ReadDOC(docptr, Mplus_ReadPipeInit);
567 ReadDOC(docptr, Mplus_ReadPipeInit); 566 ReadDOC(docptr, Mplus_ReadPipeInit);
568 ret = ReadDOC(docptr, Mplus_LastDataRead); 567 ret = ReadDOC(docptr, Mplus_LastDataRead);
569 if (debug) printk("read_byte returns %02x\n", ret); 568 if (debug)
569 printk("read_byte returns %02x\n", ret);
570 return ret; 570 return ret;
571} 571}
572 572
573static void doc2001plus_writebuf(struct mtd_info *mtd, 573static void doc2001plus_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
574 const u_char *buf, int len)
575{ 574{
576 struct nand_chip *this = mtd->priv; 575 struct nand_chip *this = mtd->priv;
577 struct doc_priv *doc = this->priv; 576 struct doc_priv *doc = this->priv;
578 void __iomem *docptr = doc->virtadr; 577 void __iomem *docptr = doc->virtadr;
579 int i; 578 int i;
580 579
581 if (debug)printk("writebuf of %d bytes: ", len); 580 if (debug)
582 for (i=0; i < len; i++) { 581 printk("writebuf of %d bytes: ", len);
582 for (i = 0; i < len; i++) {
583 WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i); 583 WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i);
584 if (debug && i < 16) 584 if (debug && i < 16)
585 printk("%02x ", buf[i]); 585 printk("%02x ", buf[i]);
586 } 586 }
587 if (debug) printk("\n"); 587 if (debug)
588 printk("\n");
588} 589}
589 590
590static void doc2001plus_readbuf(struct mtd_info *mtd, 591static void doc2001plus_readbuf(struct mtd_info *mtd, u_char *buf, int len)
591 u_char *buf, int len)
592{ 592{
593 struct nand_chip *this = mtd->priv; 593 struct nand_chip *this = mtd->priv;
594 struct doc_priv *doc = this->priv; 594 struct doc_priv *doc = this->priv;
595 void __iomem *docptr = doc->virtadr; 595 void __iomem *docptr = doc->virtadr;
596 int i; 596 int i;
597 597
598 if (debug)printk("readbuf of %d bytes: ", len); 598 if (debug)
599 printk("readbuf of %d bytes: ", len);
599 600
600 /* Start read pipeline */ 601 /* Start read pipeline */
601 ReadDOC(docptr, Mplus_ReadPipeInit); 602 ReadDOC(docptr, Mplus_ReadPipeInit);
602 ReadDOC(docptr, Mplus_ReadPipeInit); 603 ReadDOC(docptr, Mplus_ReadPipeInit);
603 604
604 for (i=0; i < len-2; i++) { 605 for (i = 0; i < len - 2; i++) {
605 buf[i] = ReadDOC(docptr, Mil_CDSN_IO); 606 buf[i] = ReadDOC(docptr, Mil_CDSN_IO);
606 if (debug && i < 16) 607 if (debug && i < 16)
607 printk("%02x ", buf[i]); 608 printk("%02x ", buf[i]);
608 } 609 }
609 610
610 /* Terminate read pipeline */ 611 /* Terminate read pipeline */
611 buf[len-2] = ReadDOC(docptr, Mplus_LastDataRead); 612 buf[len - 2] = ReadDOC(docptr, Mplus_LastDataRead);
612 if (debug && i < 16) 613 if (debug && i < 16)
613 printk("%02x ", buf[len-2]); 614 printk("%02x ", buf[len - 2]);
614 buf[len-1] = ReadDOC(docptr, Mplus_LastDataRead); 615 buf[len - 1] = ReadDOC(docptr, Mplus_LastDataRead);
615 if (debug && i < 16) 616 if (debug && i < 16)
616 printk("%02x ", buf[len-1]); 617 printk("%02x ", buf[len - 1]);
617 if (debug) printk("\n"); 618 if (debug)
619 printk("\n");
618} 620}
619 621
620static int doc2001plus_verifybuf(struct mtd_info *mtd, 622static int doc2001plus_verifybuf(struct mtd_info *mtd, const u_char *buf, int len)
621 const u_char *buf, int len)
622{ 623{
623 struct nand_chip *this = mtd->priv; 624 struct nand_chip *this = mtd->priv;
624 struct doc_priv *doc = this->priv; 625 struct doc_priv *doc = this->priv;
625 void __iomem *docptr = doc->virtadr; 626 void __iomem *docptr = doc->virtadr;
626 int i; 627 int i;
627 628
628 if (debug)printk("verifybuf of %d bytes: ", len); 629 if (debug)
630 printk("verifybuf of %d bytes: ", len);
629 631
630 /* Start read pipeline */ 632 /* Start read pipeline */
631 ReadDOC(docptr, Mplus_ReadPipeInit); 633 ReadDOC(docptr, Mplus_ReadPipeInit);
632 ReadDOC(docptr, Mplus_ReadPipeInit); 634 ReadDOC(docptr, Mplus_ReadPipeInit);
633 635
634 for (i=0; i < len-2; i++) 636 for (i = 0; i < len - 2; i++)
635 if (buf[i] != ReadDOC(docptr, Mil_CDSN_IO)) { 637 if (buf[i] != ReadDOC(docptr, Mil_CDSN_IO)) {
636 ReadDOC(docptr, Mplus_LastDataRead); 638 ReadDOC(docptr, Mplus_LastDataRead);
637 ReadDOC(docptr, Mplus_LastDataRead); 639 ReadDOC(docptr, Mplus_LastDataRead);
638 return i; 640 return i;
639 } 641 }
640 if (buf[len-2] != ReadDOC(docptr, Mplus_LastDataRead)) 642 if (buf[len - 2] != ReadDOC(docptr, Mplus_LastDataRead))
641 return len-2; 643 return len - 2;
642 if (buf[len-1] != ReadDOC(docptr, Mplus_LastDataRead)) 644 if (buf[len - 1] != ReadDOC(docptr, Mplus_LastDataRead))
643 return len-1; 645 return len - 1;
644 return 0; 646 return 0;
645} 647}
646 648
@@ -648,10 +650,11 @@ static void doc2001plus_select_chip(struct mtd_info *mtd, int chip)
648{ 650{
649 struct nand_chip *this = mtd->priv; 651 struct nand_chip *this = mtd->priv;
650 struct doc_priv *doc = this->priv; 652 struct doc_priv *doc = this->priv;
651 void __iomem *docptr = doc->virtadr; 653 void __iomem *docptr = doc->virtadr;
652 int floor = 0; 654 int floor = 0;
653 655
654 if(debug)printk("select chip (%d)\n", chip); 656 if (debug)
657 printk("select chip (%d)\n", chip);
655 658
656 if (chip == -1) { 659 if (chip == -1) {
657 /* Disable flash internally */ 660 /* Disable flash internally */
@@ -660,7 +663,7 @@ static void doc2001plus_select_chip(struct mtd_info *mtd, int chip)
660 } 663 }
661 664
662 floor = chip / doc->chips_per_floor; 665 floor = chip / doc->chips_per_floor;
663 chip -= (floor * doc->chips_per_floor); 666 chip -= (floor * doc->chips_per_floor);
664 667
665 /* Assert ChipEnable and deassert WriteProtect */ 668 /* Assert ChipEnable and deassert WriteProtect */
666 WriteDOC((DOC_FLASH_CE), docptr, Mplus_FlashSelect); 669 WriteDOC((DOC_FLASH_CE), docptr, Mplus_FlashSelect);
@@ -674,16 +677,17 @@ static void doc200x_select_chip(struct mtd_info *mtd, int chip)
674{ 677{
675 struct nand_chip *this = mtd->priv; 678 struct nand_chip *this = mtd->priv;
676 struct doc_priv *doc = this->priv; 679 struct doc_priv *doc = this->priv;
677 void __iomem *docptr = doc->virtadr; 680 void __iomem *docptr = doc->virtadr;
678 int floor = 0; 681 int floor = 0;
679 682
680 if(debug)printk("select chip (%d)\n", chip); 683 if (debug)
684 printk("select chip (%d)\n", chip);
681 685
682 if (chip == -1) 686 if (chip == -1)
683 return; 687 return;
684 688
685 floor = chip / doc->chips_per_floor; 689 floor = chip / doc->chips_per_floor;
686 chip -= (floor * doc->chips_per_floor); 690 chip -= (floor * doc->chips_per_floor);
687 691
688 /* 11.4.4 -- deassert CE before changing chip */ 692 /* 11.4.4 -- deassert CE before changing chip */
689 doc200x_hwcontrol(mtd, NAND_CTL_CLRNCE); 693 doc200x_hwcontrol(mtd, NAND_CTL_CLRNCE);
@@ -701,9 +705,9 @@ static void doc200x_hwcontrol(struct mtd_info *mtd, int cmd)
701{ 705{
702 struct nand_chip *this = mtd->priv; 706 struct nand_chip *this = mtd->priv;
703 struct doc_priv *doc = this->priv; 707 struct doc_priv *doc = this->priv;
704 void __iomem *docptr = doc->virtadr; 708 void __iomem *docptr = doc->virtadr;
705 709
706 switch(cmd) { 710 switch (cmd) {
707 case NAND_CTL_SETNCE: 711 case NAND_CTL_SETNCE:
708 doc->CDSNControl |= CDSN_CTRL_CE; 712 doc->CDSNControl |= CDSN_CTRL_CE;
709 break; 713 break;
@@ -729,17 +733,18 @@ static void doc200x_hwcontrol(struct mtd_info *mtd, int cmd)
729 doc->CDSNControl &= ~CDSN_CTRL_WP; 733 doc->CDSNControl &= ~CDSN_CTRL_WP;
730 break; 734 break;
731 } 735 }
732 if (debug)printk("hwcontrol(%d): %02x\n", cmd, doc->CDSNControl); 736 if (debug)
737 printk("hwcontrol(%d): %02x\n", cmd, doc->CDSNControl);
733 WriteDOC(doc->CDSNControl, docptr, CDSNControl); 738 WriteDOC(doc->CDSNControl, docptr, CDSNControl);
734 /* 11.4.3 -- 4 NOPs after CSDNControl write */ 739 /* 11.4.3 -- 4 NOPs after CSDNControl write */
735 DoC_Delay(doc, 4); 740 DoC_Delay(doc, 4);
736} 741}
737 742
738static void doc2001plus_command (struct mtd_info *mtd, unsigned command, int column, int page_addr) 743static void doc2001plus_command(struct mtd_info *mtd, unsigned command, int column, int page_addr)
739{ 744{
740 struct nand_chip *this = mtd->priv; 745 struct nand_chip *this = mtd->priv;
741 struct doc_priv *doc = this->priv; 746 struct doc_priv *doc = this->priv;
742 void __iomem *docptr = doc->virtadr; 747 void __iomem *docptr = doc->virtadr;
743 748
744 /* 749 /*
745 * Must terminate write pipeline before sending any commands 750 * Must terminate write pipeline before sending any commands
@@ -782,25 +787,26 @@ static void doc2001plus_command (struct mtd_info *mtd, unsigned command, int col
782 WriteDOC(column, docptr, Mplus_FlashAddress); 787 WriteDOC(column, docptr, Mplus_FlashAddress);
783 } 788 }
784 if (page_addr != -1) { 789 if (page_addr != -1) {
785 WriteDOC((unsigned char) (page_addr & 0xff), docptr, Mplus_FlashAddress); 790 WriteDOC((unsigned char)(page_addr & 0xff), docptr, Mplus_FlashAddress);
786 WriteDOC((unsigned char) ((page_addr >> 8) & 0xff), docptr, Mplus_FlashAddress); 791 WriteDOC((unsigned char)((page_addr >> 8) & 0xff), docptr, Mplus_FlashAddress);
787 /* One more address cycle for higher density devices */ 792 /* One more address cycle for higher density devices */
788 if (this->chipsize & 0x0c000000) { 793 if (this->chipsize & 0x0c000000) {
789 WriteDOC((unsigned char) ((page_addr >> 16) & 0x0f), docptr, Mplus_FlashAddress); 794 WriteDOC((unsigned char)((page_addr >> 16) & 0x0f), docptr, Mplus_FlashAddress);
790 printk("high density\n"); 795 printk("high density\n");
791 } 796 }
792 } 797 }
793 WriteDOC(0, docptr, Mplus_WritePipeTerm); 798 WriteDOC(0, docptr, Mplus_WritePipeTerm);
794 WriteDOC(0, docptr, Mplus_WritePipeTerm); 799 WriteDOC(0, docptr, Mplus_WritePipeTerm);
795 /* deassert ALE */ 800 /* deassert ALE */
796 if (command == NAND_CMD_READ0 || command == NAND_CMD_READ1 || command == NAND_CMD_READOOB || command == NAND_CMD_READID) 801 if (command == NAND_CMD_READ0 || command == NAND_CMD_READ1 ||
802 command == NAND_CMD_READOOB || command == NAND_CMD_READID)
797 WriteDOC(0, docptr, Mplus_FlashControl); 803 WriteDOC(0, docptr, Mplus_FlashControl);
798 } 804 }
799 805
800 /* 806 /*
801 * program and erase have their own busy handlers 807 * program and erase have their own busy handlers
802 * status and sequential in needs no delay 808 * status and sequential in needs no delay
803 */ 809 */
804 switch (command) { 810 switch (command) {
805 811
806 case NAND_CMD_PAGEPROG: 812 case NAND_CMD_PAGEPROG:
@@ -817,55 +823,57 @@ static void doc2001plus_command (struct mtd_info *mtd, unsigned command, int col
817 WriteDOC(NAND_CMD_STATUS, docptr, Mplus_FlashCmd); 823 WriteDOC(NAND_CMD_STATUS, docptr, Mplus_FlashCmd);
818 WriteDOC(0, docptr, Mplus_WritePipeTerm); 824 WriteDOC(0, docptr, Mplus_WritePipeTerm);
819 WriteDOC(0, docptr, Mplus_WritePipeTerm); 825 WriteDOC(0, docptr, Mplus_WritePipeTerm);
820 while ( !(this->read_byte(mtd) & 0x40)); 826 while (!(this->read_byte(mtd) & 0x40)) ;
821 return; 827 return;
822 828
823 /* This applies to read commands */ 829 /* This applies to read commands */
824 default: 830 default:
825 /* 831 /*
826 * If we don't have access to the busy pin, we apply the given 832 * If we don't have access to the busy pin, we apply the given
827 * command delay 833 * command delay
828 */ 834 */
829 if (!this->dev_ready) { 835 if (!this->dev_ready) {
830 udelay (this->chip_delay); 836 udelay(this->chip_delay);
831 return; 837 return;
832 } 838 }
833 } 839 }
834 840
835 /* Apply this short delay always to ensure that we do wait tWB in 841 /* Apply this short delay always to ensure that we do wait tWB in
836 * any case on any machine. */ 842 * any case on any machine. */
837 ndelay (100); 843 ndelay(100);
838 /* wait until command is processed */ 844 /* wait until command is processed */
839 while (!this->dev_ready(mtd)); 845 while (!this->dev_ready(mtd)) ;
840} 846}
841 847
842static int doc200x_dev_ready(struct mtd_info *mtd) 848static int doc200x_dev_ready(struct mtd_info *mtd)
843{ 849{
844 struct nand_chip *this = mtd->priv; 850 struct nand_chip *this = mtd->priv;
845 struct doc_priv *doc = this->priv; 851 struct doc_priv *doc = this->priv;
846 void __iomem *docptr = doc->virtadr; 852 void __iomem *docptr = doc->virtadr;
847 853
848 if (DoC_is_MillenniumPlus(doc)) { 854 if (DoC_is_MillenniumPlus(doc)) {
849 /* 11.4.2 -- must NOP four times before checking FR/B# */ 855 /* 11.4.2 -- must NOP four times before checking FR/B# */
850 DoC_Delay(doc, 4); 856 DoC_Delay(doc, 4);
851 if ((ReadDOC(docptr, Mplus_FlashControl) & CDSN_CTRL_FR_B_MASK) != CDSN_CTRL_FR_B_MASK) { 857 if ((ReadDOC(docptr, Mplus_FlashControl) & CDSN_CTRL_FR_B_MASK) != CDSN_CTRL_FR_B_MASK) {
852 if(debug) 858 if (debug)
853 printk("not ready\n"); 859 printk("not ready\n");
854 return 0; 860 return 0;
855 } 861 }
856 if (debug)printk("was ready\n"); 862 if (debug)
863 printk("was ready\n");
857 return 1; 864 return 1;
858 } else { 865 } else {
859 /* 11.4.2 -- must NOP four times before checking FR/B# */ 866 /* 11.4.2 -- must NOP four times before checking FR/B# */
860 DoC_Delay(doc, 4); 867 DoC_Delay(doc, 4);
861 if (!(ReadDOC(docptr, CDSNControl) & CDSN_CTRL_FR_B)) { 868 if (!(ReadDOC(docptr, CDSNControl) & CDSN_CTRL_FR_B)) {
862 if(debug) 869 if (debug)
863 printk("not ready\n"); 870 printk("not ready\n");
864 return 0; 871 return 0;
865 } 872 }
866 /* 11.4.2 -- Must NOP twice if it's ready */ 873 /* 11.4.2 -- Must NOP twice if it's ready */
867 DoC_Delay(doc, 2); 874 DoC_Delay(doc, 2);
868 if (debug)printk("was ready\n"); 875 if (debug)
876 printk("was ready\n");
869 return 1; 877 return 1;
870 } 878 }
871} 879}
@@ -881,10 +889,10 @@ static void doc200x_enable_hwecc(struct mtd_info *mtd, int mode)
881{ 889{
882 struct nand_chip *this = mtd->priv; 890 struct nand_chip *this = mtd->priv;
883 struct doc_priv *doc = this->priv; 891 struct doc_priv *doc = this->priv;
884 void __iomem *docptr = doc->virtadr; 892 void __iomem *docptr = doc->virtadr;
885 893
886 /* Prime the ECC engine */ 894 /* Prime the ECC engine */
887 switch(mode) { 895 switch (mode) {
888 case NAND_ECC_READ: 896 case NAND_ECC_READ:
889 WriteDOC(DOC_ECC_RESET, docptr, ECCConf); 897 WriteDOC(DOC_ECC_RESET, docptr, ECCConf);
890 WriteDOC(DOC_ECC_EN, docptr, ECCConf); 898 WriteDOC(DOC_ECC_EN, docptr, ECCConf);
@@ -900,10 +908,10 @@ static void doc2001plus_enable_hwecc(struct mtd_info *mtd, int mode)
900{ 908{
901 struct nand_chip *this = mtd->priv; 909 struct nand_chip *this = mtd->priv;
902 struct doc_priv *doc = this->priv; 910 struct doc_priv *doc = this->priv;
903 void __iomem *docptr = doc->virtadr; 911 void __iomem *docptr = doc->virtadr;
904 912
905 /* Prime the ECC engine */ 913 /* Prime the ECC engine */
906 switch(mode) { 914 switch (mode) {
907 case NAND_ECC_READ: 915 case NAND_ECC_READ:
908 WriteDOC(DOC_ECC_RESET, docptr, Mplus_ECCConf); 916 WriteDOC(DOC_ECC_RESET, docptr, Mplus_ECCConf);
909 WriteDOC(DOC_ECC_EN, docptr, Mplus_ECCConf); 917 WriteDOC(DOC_ECC_EN, docptr, Mplus_ECCConf);
@@ -916,12 +924,11 @@ static void doc2001plus_enable_hwecc(struct mtd_info *mtd, int mode)
916} 924}
917 925
918/* This code is only called on write */ 926/* This code is only called on write */
919static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat, 927static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat, unsigned char *ecc_code)
920 unsigned char *ecc_code)
921{ 928{
922 struct nand_chip *this = mtd->priv; 929 struct nand_chip *this = mtd->priv;
923 struct doc_priv *doc = this->priv; 930 struct doc_priv *doc = this->priv;
924 void __iomem *docptr = doc->virtadr; 931 void __iomem *docptr = doc->virtadr;
925 int i; 932 int i;
926 int emptymatch = 1; 933 int emptymatch = 1;
927 934
@@ -961,7 +968,8 @@ static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
961 often. It could be optimized away by examining the data in 968 often. It could be optimized away by examining the data in
962 the writebuf routine, and remembering the result. */ 969 the writebuf routine, and remembering the result. */
963 for (i = 0; i < 512; i++) { 970 for (i = 0; i < 512; i++) {
964 if (dat[i] == 0xff) continue; 971 if (dat[i] == 0xff)
972 continue;
965 emptymatch = 0; 973 emptymatch = 0;
966 break; 974 break;
967 } 975 }
@@ -969,7 +977,8 @@ static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
969 /* If emptymatch still =1, we do have an all-0xff data buffer. 977 /* If emptymatch still =1, we do have an all-0xff data buffer.
970 Return all-0xff ecc value instead of the computed one, so 978 Return all-0xff ecc value instead of the computed one, so
971 it'll look just like a freshly-erased page. */ 979 it'll look just like a freshly-erased page. */
972 if (emptymatch) memset(ecc_code, 0xff, 6); 980 if (emptymatch)
981 memset(ecc_code, 0xff, 6);
973#endif 982#endif
974 return 0; 983 return 0;
975} 984}
@@ -979,7 +988,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_
979 int i, ret = 0; 988 int i, ret = 0;
980 struct nand_chip *this = mtd->priv; 989 struct nand_chip *this = mtd->priv;
981 struct doc_priv *doc = this->priv; 990 struct doc_priv *doc = this->priv;
982 void __iomem *docptr = doc->virtadr; 991 void __iomem *docptr = doc->virtadr;
983 volatile u_char dummy; 992 volatile u_char dummy;
984 int emptymatch = 1; 993 int emptymatch = 1;
985 994
@@ -1012,18 +1021,20 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_
1012 all-0xff data and stored ecc block. Check the stored ecc. */ 1021 all-0xff data and stored ecc block. Check the stored ecc. */
1013 if (emptymatch) { 1022 if (emptymatch) {
1014 for (i = 0; i < 6; i++) { 1023 for (i = 0; i < 6; i++) {
1015 if (read_ecc[i] == 0xff) continue; 1024 if (read_ecc[i] == 0xff)
1025 continue;
1016 emptymatch = 0; 1026 emptymatch = 0;
1017 break; 1027 break;
1018 } 1028 }
1019 } 1029 }
1020 /* If emptymatch still =1, check the data block. */ 1030 /* If emptymatch still =1, check the data block. */
1021 if (emptymatch) { 1031 if (emptymatch) {
1022 /* Note: this somewhat expensive test should not be triggered 1032 /* Note: this somewhat expensive test should not be triggered
1023 often. It could be optimized away by examining the data in 1033 often. It could be optimized away by examining the data in
1024 the readbuf routine, and remembering the result. */ 1034 the readbuf routine, and remembering the result. */
1025 for (i = 0; i < 512; i++) { 1035 for (i = 0; i < 512; i++) {
1026 if (dat[i] == 0xff) continue; 1036 if (dat[i] == 0xff)
1037 continue;
1027 emptymatch = 0; 1038 emptymatch = 0;
1028 break; 1039 break;
1029 } 1040 }
@@ -1032,7 +1043,8 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_
1032 erased block, in which case the ECC will not come out right. 1043 erased block, in which case the ECC will not come out right.
1033 We'll suppress the error and tell the caller everything's 1044 We'll suppress the error and tell the caller everything's
1034 OK. Because it is. */ 1045 OK. Because it is. */
1035 if (!emptymatch) ret = doc_ecc_decode (rs_decoder, dat, calc_ecc); 1046 if (!emptymatch)
1047 ret = doc_ecc_decode(rs_decoder, dat, calc_ecc);
1036 if (ret > 0) 1048 if (ret > 0)
1037 printk(KERN_ERR "doc200x_correct_data corrected %d errors\n", ret); 1049 printk(KERN_ERR "doc200x_correct_data corrected %d errors\n", ret);
1038 } 1050 }
@@ -1060,10 +1072,10 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_
1060 * be able to handle out-of-order segments. 1072 * be able to handle out-of-order segments.
1061 */ 1073 */
1062static struct nand_oobinfo doc200x_oobinfo = { 1074static struct nand_oobinfo doc200x_oobinfo = {
1063 .useecc = MTD_NANDECC_AUTOPLACE, 1075 .useecc = MTD_NANDECC_AUTOPLACE,
1064 .eccbytes = 6, 1076 .eccbytes = 6,
1065 .eccpos = {0, 1, 2, 3, 4, 5}, 1077 .eccpos = {0, 1, 2, 3, 4, 5},
1066 .oobfree = { {8, 8}, {6, 2} } 1078 .oobfree = {{8, 8}, {6, 2}}
1067}; 1079};
1068 1080
1069/* Find the (I)NFTL Media Header, and optionally also the mirror media header. 1081/* Find the (I)NFTL Media Header, and optionally also the mirror media header.
@@ -1072,8 +1084,7 @@ static struct nand_oobinfo doc200x_oobinfo = {
1072 either "ANAND" or "BNAND". If findmirror=1, also look for the mirror media 1084 either "ANAND" or "BNAND". If findmirror=1, also look for the mirror media
1073 header. The page #s of the found media headers are placed in mh0_page and 1085 header. The page #s of the found media headers are placed in mh0_page and
1074 mh1_page in the DOC private structure. */ 1086 mh1_page in the DOC private structure. */
1075static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, 1087static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const char *id, int findmirror)
1076 const char *id, int findmirror)
1077{ 1088{
1078 struct nand_chip *this = mtd->priv; 1089 struct nand_chip *this = mtd->priv;
1079 struct doc_priv *doc = this->priv; 1090 struct doc_priv *doc = this->priv;
@@ -1083,16 +1094,18 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf,
1083 1094
1084 for (offs = 0; offs < mtd->size; offs += mtd->erasesize) { 1095 for (offs = 0; offs < mtd->size; offs += mtd->erasesize) {
1085 ret = mtd->read(mtd, offs, mtd->oobblock, &retlen, buf); 1096 ret = mtd->read(mtd, offs, mtd->oobblock, &retlen, buf);
1086 if (retlen != mtd->oobblock) continue; 1097 if (retlen != mtd->oobblock)
1098 continue;
1087 if (ret) { 1099 if (ret) {
1088 printk(KERN_WARNING "ECC error scanning DOC at 0x%x\n", 1100 printk(KERN_WARNING "ECC error scanning DOC at 0x%x\n", offs);
1089 offs);
1090 } 1101 }
1091 if (memcmp(buf, id, 6)) continue; 1102 if (memcmp(buf, id, 6))
1103 continue;
1092 printk(KERN_INFO "Found DiskOnChip %s Media Header at 0x%x\n", id, offs); 1104 printk(KERN_INFO "Found DiskOnChip %s Media Header at 0x%x\n", id, offs);
1093 if (doc->mh0_page == -1) { 1105 if (doc->mh0_page == -1) {
1094 doc->mh0_page = offs >> this->page_shift; 1106 doc->mh0_page = offs >> this->page_shift;
1095 if (!findmirror) return 1; 1107 if (!findmirror)
1108 return 1;
1096 continue; 1109 continue;
1097 } 1110 }
1098 doc->mh1_page = offs >> this->page_shift; 1111 doc->mh1_page = offs >> this->page_shift;
@@ -1114,8 +1127,7 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf,
1114 return 1; 1127 return 1;
1115} 1128}
1116 1129
1117static inline int __init nftl_partscan(struct mtd_info *mtd, 1130static inline int __init nftl_partscan(struct mtd_info *mtd, struct mtd_partition *parts)
1118 struct mtd_partition *parts)
1119{ 1131{
1120 struct nand_chip *this = mtd->priv; 1132 struct nand_chip *this = mtd->priv;
1121 struct doc_priv *doc = this->priv; 1133 struct doc_priv *doc = this->priv;
@@ -1132,8 +1144,9 @@ static inline int __init nftl_partscan(struct mtd_info *mtd,
1132 printk(KERN_ERR "DiskOnChip mediaheader kmalloc failed!\n"); 1144 printk(KERN_ERR "DiskOnChip mediaheader kmalloc failed!\n");
1133 return 0; 1145 return 0;
1134 } 1146 }
1135 if (!(numheaders=find_media_headers(mtd, buf, "ANAND", 1))) goto out; 1147 if (!(numheaders = find_media_headers(mtd, buf, "ANAND", 1)))
1136 mh = (struct NFTLMediaHeader *) buf; 1148 goto out;
1149 mh = (struct NFTLMediaHeader *)buf;
1137 1150
1138 mh->NumEraseUnits = le16_to_cpu(mh->NumEraseUnits); 1151 mh->NumEraseUnits = le16_to_cpu(mh->NumEraseUnits);
1139 mh->FirstPhysicalEUN = le16_to_cpu(mh->FirstPhysicalEUN); 1152 mh->FirstPhysicalEUN = le16_to_cpu(mh->FirstPhysicalEUN);
@@ -1155,8 +1168,8 @@ static inline int __init nftl_partscan(struct mtd_info *mtd,
1155 /* Auto-determine UnitSizeFactor. The constraints are: 1168 /* Auto-determine UnitSizeFactor. The constraints are:
1156 - There can be at most 32768 virtual blocks. 1169 - There can be at most 32768 virtual blocks.
1157 - There can be at most (virtual block size - page size) 1170 - There can be at most (virtual block size - page size)
1158 virtual blocks (because MediaHeader+BBT must fit in 1). 1171 virtual blocks (because MediaHeader+BBT must fit in 1).
1159 */ 1172 */
1160 mh->UnitSizeFactor = 0xff; 1173 mh->UnitSizeFactor = 0xff;
1161 while (blocks > maxblocks) { 1174 while (blocks > maxblocks) {
1162 blocks >>= 1; 1175 blocks >>= 1;
@@ -1211,14 +1224,13 @@ static inline int __init nftl_partscan(struct mtd_info *mtd,
1211 } 1224 }
1212 1225
1213 ret = numparts; 1226 ret = numparts;
1214out: 1227 out:
1215 kfree(buf); 1228 kfree(buf);
1216 return ret; 1229 return ret;
1217} 1230}
1218 1231
1219/* This is a stripped-down copy of the code in inftlmount.c */ 1232/* This is a stripped-down copy of the code in inftlmount.c */
1220static inline int __init inftl_partscan(struct mtd_info *mtd, 1233static inline int __init inftl_partscan(struct mtd_info *mtd, struct mtd_partition *parts)
1221 struct mtd_partition *parts)
1222{ 1234{
1223 struct nand_chip *this = mtd->priv; 1235 struct nand_chip *this = mtd->priv;
1224 struct doc_priv *doc = this->priv; 1236 struct doc_priv *doc = this->priv;
@@ -1241,9 +1253,10 @@ static inline int __init inftl_partscan(struct mtd_info *mtd,
1241 return 0; 1253 return 0;
1242 } 1254 }
1243 1255
1244 if (!find_media_headers(mtd, buf, "BNAND", 0)) goto out; 1256 if (!find_media_headers(mtd, buf, "BNAND", 0))
1257 goto out;
1245 doc->mh1_page = doc->mh0_page + (4096 >> this->page_shift); 1258 doc->mh1_page = doc->mh0_page + (4096 >> this->page_shift);
1246 mh = (struct INFTLMediaHeader *) buf; 1259 mh = (struct INFTLMediaHeader *)buf;
1247 1260
1248 mh->NoOfBootImageBlocks = le32_to_cpu(mh->NoOfBootImageBlocks); 1261 mh->NoOfBootImageBlocks = le32_to_cpu(mh->NoOfBootImageBlocks);
1249 mh->NoOfBinaryPartitions = le32_to_cpu(mh->NoOfBinaryPartitions); 1262 mh->NoOfBinaryPartitions = le32_to_cpu(mh->NoOfBinaryPartitions);
@@ -1319,8 +1332,10 @@ static inline int __init inftl_partscan(struct mtd_info *mtd,
1319 parts[numparts].offset = ip->firstUnit << vshift; 1332 parts[numparts].offset = ip->firstUnit << vshift;
1320 parts[numparts].size = (1 + ip->lastUnit - ip->firstUnit) << vshift; 1333 parts[numparts].size = (1 + ip->lastUnit - ip->firstUnit) << vshift;
1321 numparts++; 1334 numparts++;
1322 if (ip->lastUnit > lastvunit) lastvunit = ip->lastUnit; 1335 if (ip->lastUnit > lastvunit)
1323 if (ip->flags & INFTL_LAST) break; 1336 lastvunit = ip->lastUnit;
1337 if (ip->flags & INFTL_LAST)
1338 break;
1324 } 1339 }
1325 lastvunit++; 1340 lastvunit++;
1326 if ((lastvunit << vshift) < end) { 1341 if ((lastvunit << vshift) < end) {
@@ -1330,7 +1345,7 @@ static inline int __init inftl_partscan(struct mtd_info *mtd,
1330 numparts++; 1345 numparts++;
1331 } 1346 }
1332 ret = numparts; 1347 ret = numparts;
1333out: 1348 out:
1334 kfree(buf); 1349 kfree(buf);
1335 return ret; 1350 return ret;
1336} 1351}
@@ -1342,11 +1357,12 @@ static int __init nftl_scan_bbt(struct mtd_info *mtd)
1342 struct doc_priv *doc = this->priv; 1357 struct doc_priv *doc = this->priv;
1343 struct mtd_partition parts[2]; 1358 struct mtd_partition parts[2];
1344 1359
1345 memset((char *) parts, 0, sizeof(parts)); 1360 memset((char *)parts, 0, sizeof(parts));
1346 /* On NFTL, we have to find the media headers before we can read the 1361 /* On NFTL, we have to find the media headers before we can read the
1347 BBTs, since they're stored in the media header eraseblocks. */ 1362 BBTs, since they're stored in the media header eraseblocks. */
1348 numparts = nftl_partscan(mtd, parts); 1363 numparts = nftl_partscan(mtd, parts);
1349 if (!numparts) return -EIO; 1364 if (!numparts)
1365 return -EIO;
1350 this->bbt_td->options = NAND_BBT_ABSPAGE | NAND_BBT_8BIT | 1366 this->bbt_td->options = NAND_BBT_ABSPAGE | NAND_BBT_8BIT |
1351 NAND_BBT_SAVECONTENT | NAND_BBT_WRITE | 1367 NAND_BBT_SAVECONTENT | NAND_BBT_WRITE |
1352 NAND_BBT_VERSION; 1368 NAND_BBT_VERSION;
@@ -1393,8 +1409,7 @@ static int __init inftl_scan_bbt(struct mtd_info *mtd)
1393 this->bbt_td->pages[0] = 2; 1409 this->bbt_td->pages[0] = 2;
1394 this->bbt_md = NULL; 1410 this->bbt_md = NULL;
1395 } else { 1411 } else {
1396 this->bbt_td->options = NAND_BBT_LASTBLOCK | NAND_BBT_8BIT | 1412 this->bbt_td->options = NAND_BBT_LASTBLOCK | NAND_BBT_8BIT | NAND_BBT_VERSION;
1397 NAND_BBT_VERSION;
1398 if (inftl_bbt_write) 1413 if (inftl_bbt_write)
1399 this->bbt_td->options |= NAND_BBT_WRITE; 1414 this->bbt_td->options |= NAND_BBT_WRITE;
1400 this->bbt_td->offs = 8; 1415 this->bbt_td->offs = 8;
@@ -1404,8 +1419,7 @@ static int __init inftl_scan_bbt(struct mtd_info *mtd)
1404 this->bbt_td->reserved_block_code = 0x01; 1419 this->bbt_td->reserved_block_code = 0x01;
1405 this->bbt_td->pattern = "MSYS_BBT"; 1420 this->bbt_td->pattern = "MSYS_BBT";
1406 1421
1407 this->bbt_md->options = NAND_BBT_LASTBLOCK | NAND_BBT_8BIT | 1422 this->bbt_md->options = NAND_BBT_LASTBLOCK | NAND_BBT_8BIT | NAND_BBT_VERSION;
1408 NAND_BBT_VERSION;
1409 if (inftl_bbt_write) 1423 if (inftl_bbt_write)
1410 this->bbt_md->options |= NAND_BBT_WRITE; 1424 this->bbt_md->options |= NAND_BBT_WRITE;
1411 this->bbt_md->offs = 8; 1425 this->bbt_md->offs = 8;
@@ -1420,12 +1434,13 @@ static int __init inftl_scan_bbt(struct mtd_info *mtd)
1420 At least as nand_bbt.c is currently written. */ 1434 At least as nand_bbt.c is currently written. */
1421 if ((ret = nand_scan_bbt(mtd, NULL))) 1435 if ((ret = nand_scan_bbt(mtd, NULL)))
1422 return ret; 1436 return ret;
1423 memset((char *) parts, 0, sizeof(parts)); 1437 memset((char *)parts, 0, sizeof(parts));
1424 numparts = inftl_partscan(mtd, parts); 1438 numparts = inftl_partscan(mtd, parts);
1425 /* At least for now, require the INFTL Media Header. We could probably 1439 /* At least for now, require the INFTL Media Header. We could probably
1426 do without it for non-INFTL use, since all it gives us is 1440 do without it for non-INFTL use, since all it gives us is
1427 autopartitioning, but I want to give it more thought. */ 1441 autopartitioning, but I want to give it more thought. */
1428 if (!numparts) return -EIO; 1442 if (!numparts)
1443 return -EIO;
1429 add_mtd_device(mtd); 1444 add_mtd_device(mtd);
1430#ifdef CONFIG_MTD_PARTITIONS 1445#ifdef CONFIG_MTD_PARTITIONS
1431 if (!no_autopart) 1446 if (!no_autopart)
@@ -1535,20 +1550,16 @@ static int __init doc_probe(unsigned long physadr)
1535 save_control = ReadDOC(virtadr, DOCControl); 1550 save_control = ReadDOC(virtadr, DOCControl);
1536 1551
1537 /* Reset the DiskOnChip ASIC */ 1552 /* Reset the DiskOnChip ASIC */
1538 WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, 1553 WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, virtadr, DOCControl);
1539 virtadr, DOCControl); 1554 WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, virtadr, DOCControl);
1540 WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET,
1541 virtadr, DOCControl);
1542 1555
1543 /* Enable the DiskOnChip ASIC */ 1556 /* Enable the DiskOnChip ASIC */
1544 WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, 1557 WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, virtadr, DOCControl);
1545 virtadr, DOCControl); 1558 WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, virtadr, DOCControl);
1546 WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL,
1547 virtadr, DOCControl);
1548 1559
1549 ChipID = ReadDOC(virtadr, ChipID); 1560 ChipID = ReadDOC(virtadr, ChipID);
1550 1561
1551 switch(ChipID) { 1562 switch (ChipID) {
1552 case DOC_ChipID_Doc2k: 1563 case DOC_ChipID_Doc2k:
1553 reg = DoC_2k_ECCStatus; 1564 reg = DoC_2k_ECCStatus;
1554 break; 1565 break;
@@ -1564,15 +1575,13 @@ static int __init doc_probe(unsigned long physadr)
1564 ReadDOC(virtadr, Mplus_Power); 1575 ReadDOC(virtadr, Mplus_Power);
1565 1576
1566 /* Reset the Millennium Plus ASIC */ 1577 /* Reset the Millennium Plus ASIC */
1567 tmp = DOC_MODE_RESET | DOC_MODE_MDWREN | DOC_MODE_RST_LAT | 1578 tmp = DOC_MODE_RESET | DOC_MODE_MDWREN | DOC_MODE_RST_LAT | DOC_MODE_BDECT;
1568 DOC_MODE_BDECT;
1569 WriteDOC(tmp, virtadr, Mplus_DOCControl); 1579 WriteDOC(tmp, virtadr, Mplus_DOCControl);
1570 WriteDOC(~tmp, virtadr, Mplus_CtrlConfirm); 1580 WriteDOC(~tmp, virtadr, Mplus_CtrlConfirm);
1571 1581
1572 mdelay(1); 1582 mdelay(1);
1573 /* Enable the Millennium Plus ASIC */ 1583 /* Enable the Millennium Plus ASIC */
1574 tmp = DOC_MODE_NORMAL | DOC_MODE_MDWREN | DOC_MODE_RST_LAT | 1584 tmp = DOC_MODE_NORMAL | DOC_MODE_MDWREN | DOC_MODE_RST_LAT | DOC_MODE_BDECT;
1575 DOC_MODE_BDECT;
1576 WriteDOC(tmp, virtadr, Mplus_DOCControl); 1585 WriteDOC(tmp, virtadr, Mplus_DOCControl);
1577 WriteDOC(~tmp, virtadr, Mplus_CtrlConfirm); 1586 WriteDOC(~tmp, virtadr, Mplus_CtrlConfirm);
1578 mdelay(1); 1587 mdelay(1);
@@ -1596,7 +1605,7 @@ static int __init doc_probe(unsigned long physadr)
1596 goto notfound; 1605 goto notfound;
1597 } 1606 }
1598 /* Check the TOGGLE bit in the ECC register */ 1607 /* Check the TOGGLE bit in the ECC register */
1599 tmp = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT; 1608 tmp = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT;
1600 tmpb = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT; 1609 tmpb = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT;
1601 tmpc = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT; 1610 tmpc = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT;
1602 if ((tmp == tmpb) || (tmp != tmpc)) { 1611 if ((tmp == tmpb) || (tmp != tmpc)) {
@@ -1626,11 +1635,11 @@ static int __init doc_probe(unsigned long physadr)
1626 if (ChipID == DOC_ChipID_DocMilPlus16) { 1635 if (ChipID == DOC_ChipID_DocMilPlus16) {
1627 WriteDOC(~newval, virtadr, Mplus_AliasResolution); 1636 WriteDOC(~newval, virtadr, Mplus_AliasResolution);
1628 oldval = ReadDOC(doc->virtadr, Mplus_AliasResolution); 1637 oldval = ReadDOC(doc->virtadr, Mplus_AliasResolution);
1629 WriteDOC(newval, virtadr, Mplus_AliasResolution); // restore it 1638 WriteDOC(newval, virtadr, Mplus_AliasResolution); // restore it
1630 } else { 1639 } else {
1631 WriteDOC(~newval, virtadr, AliasResolution); 1640 WriteDOC(~newval, virtadr, AliasResolution);
1632 oldval = ReadDOC(doc->virtadr, AliasResolution); 1641 oldval = ReadDOC(doc->virtadr, AliasResolution);
1633 WriteDOC(newval, virtadr, AliasResolution); // restore it 1642 WriteDOC(newval, virtadr, AliasResolution); // restore it
1634 } 1643 }
1635 newval = ~newval; 1644 newval = ~newval;
1636 if (oldval == newval) { 1645 if (oldval == newval) {
@@ -1642,10 +1651,8 @@ static int __init doc_probe(unsigned long physadr)
1642 printk(KERN_NOTICE "DiskOnChip found at 0x%lx\n", physadr); 1651 printk(KERN_NOTICE "DiskOnChip found at 0x%lx\n", physadr);
1643 1652
1644 len = sizeof(struct mtd_info) + 1653 len = sizeof(struct mtd_info) +
1645 sizeof(struct nand_chip) + 1654 sizeof(struct nand_chip) + sizeof(struct doc_priv) + (2 * sizeof(struct nand_bbt_descr));
1646 sizeof(struct doc_priv) + 1655 mtd = kmalloc(len, GFP_KERNEL);
1647 (2 * sizeof(struct nand_bbt_descr));
1648 mtd = kmalloc(len, GFP_KERNEL);
1649 if (!mtd) { 1656 if (!mtd) {
1650 printk(KERN_ERR "DiskOnChip kmalloc (%d bytes) failed!\n", len); 1657 printk(KERN_ERR "DiskOnChip kmalloc (%d bytes) failed!\n", len);
1651 ret = -ENOMEM; 1658 ret = -ENOMEM;
@@ -1707,18 +1714,18 @@ static int __init doc_probe(unsigned long physadr)
1707 doclist = mtd; 1714 doclist = mtd;
1708 return 0; 1715 return 0;
1709 1716
1710notfound: 1717 notfound:
1711 /* Put back the contents of the DOCControl register, in case it's not 1718 /* Put back the contents of the DOCControl register, in case it's not
1712 actually a DiskOnChip. */ 1719 actually a DiskOnChip. */
1713 WriteDOC(save_control, virtadr, DOCControl); 1720 WriteDOC(save_control, virtadr, DOCControl);
1714fail: 1721 fail:
1715 iounmap(virtadr); 1722 iounmap(virtadr);
1716 return ret; 1723 return ret;
1717} 1724}
1718 1725
1719static void release_nanddoc(void) 1726static void release_nanddoc(void)
1720{ 1727{
1721 struct mtd_info *mtd, *nextmtd; 1728 struct mtd_info *mtd, *nextmtd;
1722 struct nand_chip *nand; 1729 struct nand_chip *nand;
1723 struct doc_priv *doc; 1730 struct doc_priv *doc;
1724 1731
@@ -1747,8 +1754,8 @@ static int __init init_nanddoc(void)
1747 * generator polinomial degree = 4 1754 * generator polinomial degree = 4
1748 */ 1755 */
1749 rs_decoder = init_rs(10, 0x409, FCR, 1, NROOTS); 1756 rs_decoder = init_rs(10, 0x409, FCR, 1, NROOTS);
1750 if (!rs_decoder) { 1757 if (!rs_decoder) {
1751 printk (KERN_ERR "DiskOnChip: Could not create a RS decoder\n"); 1758 printk(KERN_ERR "DiskOnChip: Could not create a RS decoder\n");
1752 return -ENOMEM; 1759 return -ENOMEM;
1753 } 1760 }
1754 1761
@@ -1758,7 +1765,7 @@ static int __init init_nanddoc(void)
1758 if (ret < 0) 1765 if (ret < 0)
1759 goto outerr; 1766 goto outerr;
1760 } else { 1767 } else {
1761 for (i=0; (doc_locations[i] != 0xffffffff); i++) { 1768 for (i = 0; (doc_locations[i] != 0xffffffff); i++) {
1762 doc_probe(doc_locations[i]); 1769 doc_probe(doc_locations[i]);
1763 } 1770 }
1764 } 1771 }
@@ -1770,7 +1777,7 @@ static int __init init_nanddoc(void)
1770 goto outerr; 1777 goto outerr;
1771 } 1778 }
1772 return 0; 1779 return 0;
1773outerr: 1780 outerr:
1774 free_rs(rs_decoder); 1781 free_rs(rs_decoder);
1775 return ret; 1782 return ret;
1776} 1783}
diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c
index 9b1fd2f387fa..8467d770710c 100644
--- a/drivers/mtd/nand/edb7312.c
+++ b/drivers/mtd/nand/edb7312.c
@@ -25,7 +25,7 @@
25#include <linux/mtd/nand.h> 25#include <linux/mtd/nand.h>
26#include <linux/mtd/partitions.h> 26#include <linux/mtd/partitions.h>
27#include <asm/io.h> 27#include <asm/io.h>
28#include <asm/arch/hardware.h> /* for CLPS7111_VIRT_BASE */ 28#include <asm/arch/hardware.h> /* for CLPS7111_VIRT_BASE */
29#include <asm/sizes.h> 29#include <asm/sizes.h>
30#include <asm/hardware/clps7111.h> 30#include <asm/hardware/clps7111.h>
31 31
@@ -54,29 +54,29 @@ static struct mtd_info *ep7312_mtd = NULL;
54 */ 54 */
55 55
56static unsigned long ep7312_fio_pbase = EP7312_FIO_PBASE; 56static unsigned long ep7312_fio_pbase = EP7312_FIO_PBASE;
57static void __iomem * ep7312_pxdr = (void __iomem *) EP7312_PXDR; 57static void __iomem *ep7312_pxdr = (void __iomem *)EP7312_PXDR;
58static void __iomem * ep7312_pxddr = (void __iomem *) EP7312_PXDDR; 58static void __iomem *ep7312_pxddr = (void __iomem *)EP7312_PXDDR;
59 59
60#ifdef CONFIG_MTD_PARTITIONS 60#ifdef CONFIG_MTD_PARTITIONS
61/* 61/*
62 * Define static partitions for flash device 62 * Define static partitions for flash device
63 */ 63 */
64static struct mtd_partition partition_info[] = { 64static struct mtd_partition partition_info[] = {
65 { .name = "EP7312 Nand Flash", 65 {.name = "EP7312 Nand Flash",
66 .offset = 0, 66 .offset = 0,
67 .size = 8*1024*1024 } 67 .size = 8 * 1024 * 1024}
68}; 68};
69
69#define NUM_PARTITIONS 1 70#define NUM_PARTITIONS 1
70 71
71#endif 72#endif
72 73
73
74/* 74/*
75 * hardware specific access to control-lines 75 * hardware specific access to control-lines
76 */ 76 */
77static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd) 77static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd)
78{ 78{
79 switch(cmd) { 79 switch (cmd) {
80 80
81 case NAND_CTL_SETCLE: 81 case NAND_CTL_SETCLE:
82 clps_writeb(clps_readb(ep7312_pxdr) | 0x10, ep7312_pxdr); 82 clps_writeb(clps_readb(ep7312_pxdr) | 0x10, ep7312_pxdr);
@@ -108,6 +108,7 @@ static int ep7312_device_ready(struct mtd_info *mtd)
108{ 108{
109 return 1; 109 return 1;
110} 110}
111
111#ifdef CONFIG_MTD_PARTITIONS 112#ifdef CONFIG_MTD_PARTITIONS
112const char *part_probes[] = { "cmdlinepart", NULL }; 113const char *part_probes[] = { "cmdlinepart", NULL };
113#endif 114#endif
@@ -115,18 +116,16 @@ const char *part_probes[] = { "cmdlinepart", NULL };
115/* 116/*
116 * Main initialization routine 117 * Main initialization routine
117 */ 118 */
118static int __init ep7312_init (void) 119static int __init ep7312_init(void)
119{ 120{
120 struct nand_chip *this; 121 struct nand_chip *this;
121 const char *part_type = 0; 122 const char *part_type = 0;
122 int mtd_parts_nb = 0; 123 int mtd_parts_nb = 0;
123 struct mtd_partition *mtd_parts = 0; 124 struct mtd_partition *mtd_parts = 0;
124 void __iomem * ep7312_fio_base; 125 void __iomem *ep7312_fio_base;
125 126
126 /* Allocate memory for MTD device structure and private data */ 127 /* Allocate memory for MTD device structure and private data */
127 ep7312_mtd = kmalloc(sizeof(struct mtd_info) + 128 ep7312_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
128 sizeof(struct nand_chip),
129 GFP_KERNEL);
130 if (!ep7312_mtd) { 129 if (!ep7312_mtd) {
131 printk("Unable to allocate EDB7312 NAND MTD device structure.\n"); 130 printk("Unable to allocate EDB7312 NAND MTD device structure.\n");
132 return -ENOMEM; 131 return -ENOMEM;
@@ -134,18 +133,18 @@ static int __init ep7312_init (void)
134 133
135 /* map physical adress */ 134 /* map physical adress */
136 ep7312_fio_base = ioremap(ep7312_fio_pbase, SZ_1K); 135 ep7312_fio_base = ioremap(ep7312_fio_pbase, SZ_1K);
137 if(!ep7312_fio_base) { 136 if (!ep7312_fio_base) {
138 printk("ioremap EDB7312 NAND flash failed\n"); 137 printk("ioremap EDB7312 NAND flash failed\n");
139 kfree(ep7312_mtd); 138 kfree(ep7312_mtd);
140 return -EIO; 139 return -EIO;
141 } 140 }
142 141
143 /* Get pointer to private data */ 142 /* Get pointer to private data */
144 this = (struct nand_chip *) (&ep7312_mtd[1]); 143 this = (struct nand_chip *)(&ep7312_mtd[1]);
145 144
146 /* Initialize structures */ 145 /* Initialize structures */
147 memset((char *) ep7312_mtd, 0, sizeof(struct mtd_info)); 146 memset(ep7312_mtd, 0, sizeof(struct mtd_info));
148 memset((char *) this, 0, sizeof(struct nand_chip)); 147 memset(this, 0, sizeof(struct nand_chip));
149 148
150 /* Link the private data with the MTD structure */ 149 /* Link the private data with the MTD structure */
151 ep7312_mtd->priv = this; 150 ep7312_mtd->priv = this;
@@ -165,16 +164,14 @@ static int __init ep7312_init (void)
165 this->chip_delay = 15; 164 this->chip_delay = 15;
166 165
167 /* Scan to find existence of the device */ 166 /* Scan to find existence of the device */
168 if (nand_scan (ep7312_mtd, 1)) { 167 if (nand_scan(ep7312_mtd, 1)) {
169 iounmap((void *)ep7312_fio_base); 168 iounmap((void *)ep7312_fio_base);
170 kfree (ep7312_mtd); 169 kfree(ep7312_mtd);
171 return -ENXIO; 170 return -ENXIO;
172 } 171 }
173
174#ifdef CONFIG_MTD_PARTITIONS 172#ifdef CONFIG_MTD_PARTITIONS
175 ep7312_mtd->name = "edb7312-nand"; 173 ep7312_mtd->name = "edb7312-nand";
176 mtd_parts_nb = parse_mtd_partitions(ep7312_mtd, part_probes, 174 mtd_parts_nb = parse_mtd_partitions(ep7312_mtd, part_probes, &mtd_parts, 0);
177 &mtd_parts, 0);
178 if (mtd_parts_nb > 0) 175 if (mtd_parts_nb > 0)
179 part_type = "command line"; 176 part_type = "command line";
180 else 177 else
@@ -193,24 +190,26 @@ static int __init ep7312_init (void)
193 /* Return happy */ 190 /* Return happy */
194 return 0; 191 return 0;
195} 192}
193
196module_init(ep7312_init); 194module_init(ep7312_init);
197 195
198/* 196/*
199 * Clean up routine 197 * Clean up routine
200 */ 198 */
201static void __exit ep7312_cleanup (void) 199static void __exit ep7312_cleanup(void)
202{ 200{
203 struct nand_chip *this = (struct nand_chip *) &ep7312_mtd[1]; 201 struct nand_chip *this = (struct nand_chip *)&ep7312_mtd[1];
204 202
205 /* Release resources, unregister device */ 203 /* Release resources, unregister device */
206 nand_release (ap7312_mtd); 204 nand_release(ap7312_mtd);
207 205
208 /* Free internal data buffer */ 206 /* Free internal data buffer */
209 kfree (this->data_buf); 207 kfree(this->data_buf);
210 208
211 /* Free the MTD device structure */ 209 /* Free the MTD device structure */
212 kfree (ep7312_mtd); 210 kfree(ep7312_mtd);
213} 211}
212
214module_exit(ep7312_cleanup); 213module_exit(ep7312_cleanup);
215 214
216MODULE_LICENSE("GPL"); 215MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/nand/h1910.c b/drivers/mtd/nand/h1910.c
index f68f7a99a630..efa53a9adf23 100644
--- a/drivers/mtd/nand/h1910.c
+++ b/drivers/mtd/nand/h1910.c
@@ -26,7 +26,7 @@
26#include <linux/mtd/nand.h> 26#include <linux/mtd/nand.h>
27#include <linux/mtd/partitions.h> 27#include <linux/mtd/partitions.h>
28#include <asm/io.h> 28#include <asm/io.h>
29#include <asm/arch/hardware.h> /* for CLPS7111_VIRT_BASE */ 29#include <asm/arch/hardware.h> /* for CLPS7111_VIRT_BASE */
30#include <asm/sizes.h> 30#include <asm/sizes.h>
31#include <asm/arch/h1900-gpio.h> 31#include <asm/arch/h1900-gpio.h>
32#include <asm/arch/ipaq.h> 32#include <asm/arch/ipaq.h>
@@ -45,23 +45,23 @@ static struct mtd_info *h1910_nand_mtd = NULL;
45 * Define static partitions for flash device 45 * Define static partitions for flash device
46 */ 46 */
47static struct mtd_partition partition_info[] = { 47static struct mtd_partition partition_info[] = {
48 { name: "h1910 NAND Flash", 48 {name:"h1910 NAND Flash",
49 offset: 0, 49 offset:0,
50 size: 16*1024*1024 } 50 size:16 * 1024 * 1024}
51}; 51};
52
52#define NUM_PARTITIONS 1 53#define NUM_PARTITIONS 1
53 54
54#endif 55#endif
55 56
56
57/* 57/*
58 * hardware specific access to control-lines 58 * hardware specific access to control-lines
59 */ 59 */
60static void h1910_hwcontrol(struct mtd_info *mtd, int cmd) 60static void h1910_hwcontrol(struct mtd_info *mtd, int cmd)
61{ 61{
62 struct nand_chip* this = (struct nand_chip *) (mtd->priv); 62 struct nand_chip *this = (struct nand_chip *)(mtd->priv);
63 63
64 switch(cmd) { 64 switch (cmd) {
65 65
66 case NAND_CTL_SETCLE: 66 case NAND_CTL_SETCLE:
67 this->IO_ADDR_R |= (1 << 2); 67 this->IO_ADDR_R |= (1 << 2);
@@ -101,7 +101,7 @@ static int h1910_device_ready(struct mtd_info *mtd)
101/* 101/*
102 * Main initialization routine 102 * Main initialization routine
103 */ 103 */
104static int __init h1910_init (void) 104static int __init h1910_init(void)
105{ 105{
106 struct nand_chip *this; 106 struct nand_chip *this;
107 const char *part_type = 0; 107 const char *part_type = 0;
@@ -119,21 +119,19 @@ static int __init h1910_init (void)
119 } 119 }
120 120
121 /* Allocate memory for MTD device structure and private data */ 121 /* Allocate memory for MTD device structure and private data */
122 h1910_nand_mtd = kmalloc(sizeof(struct mtd_info) + 122 h1910_nand_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
123 sizeof(struct nand_chip),
124 GFP_KERNEL);
125 if (!h1910_nand_mtd) { 123 if (!h1910_nand_mtd) {
126 printk("Unable to allocate h1910 NAND MTD device structure.\n"); 124 printk("Unable to allocate h1910 NAND MTD device structure.\n");
127 iounmap ((void *) nandaddr); 125 iounmap((void *)nandaddr);
128 return -ENOMEM; 126 return -ENOMEM;
129 } 127 }
130 128
131 /* Get pointer to private data */ 129 /* Get pointer to private data */
132 this = (struct nand_chip *) (&h1910_nand_mtd[1]); 130 this = (struct nand_chip *)(&h1910_nand_mtd[1]);
133 131
134 /* Initialize structures */ 132 /* Initialize structures */
135 memset((char *) h1910_nand_mtd, 0, sizeof(struct mtd_info)); 133 memset(h1910_nand_mtd, 0, sizeof(struct mtd_info));
136 memset((char *) this, 0, sizeof(struct nand_chip)); 134 memset(this, 0, sizeof(struct nand_chip));
137 135
138 /* Link the private data with the MTD structure */ 136 /* Link the private data with the MTD structure */
139 h1910_nand_mtd->priv = this; 137 h1910_nand_mtd->priv = this;
@@ -154,23 +152,20 @@ static int __init h1910_init (void)
154 this->options = NAND_NO_AUTOINCR; 152 this->options = NAND_NO_AUTOINCR;
155 153
156 /* Scan to find existence of the device */ 154 /* Scan to find existence of the device */
157 if (nand_scan (h1910_nand_mtd, 1)) { 155 if (nand_scan(h1910_nand_mtd, 1)) {
158 printk(KERN_NOTICE "No NAND device - returning -ENXIO\n"); 156 printk(KERN_NOTICE "No NAND device - returning -ENXIO\n");
159 kfree (h1910_nand_mtd); 157 kfree(h1910_nand_mtd);
160 iounmap ((void *) nandaddr); 158 iounmap((void *)nandaddr);
161 return -ENXIO; 159 return -ENXIO;
162 } 160 }
163
164#ifdef CONFIG_MTD_CMDLINE_PARTS 161#ifdef CONFIG_MTD_CMDLINE_PARTS
165 mtd_parts_nb = parse_cmdline_partitions(h1910_nand_mtd, &mtd_parts, 162 mtd_parts_nb = parse_cmdline_partitions(h1910_nand_mtd, &mtd_parts, "h1910-nand");
166 "h1910-nand");
167 if (mtd_parts_nb > 0) 163 if (mtd_parts_nb > 0)
168 part_type = "command line"; 164 part_type = "command line";
169 else 165 else
170 mtd_parts_nb = 0; 166 mtd_parts_nb = 0;
171#endif 167#endif
172 if (mtd_parts_nb == 0) 168 if (mtd_parts_nb == 0) {
173 {
174 mtd_parts = partition_info; 169 mtd_parts = partition_info;
175 mtd_parts_nb = NUM_PARTITIONS; 170 mtd_parts_nb = NUM_PARTITIONS;
176 part_type = "static"; 171 part_type = "static";
@@ -183,24 +178,26 @@ static int __init h1910_init (void)
183 /* Return happy */ 178 /* Return happy */
184 return 0; 179 return 0;
185} 180}
181
186module_init(h1910_init); 182module_init(h1910_init);
187 183
188/* 184/*
189 * Clean up routine 185 * Clean up routine
190 */ 186 */
191static void __exit h1910_cleanup (void) 187static void __exit h1910_cleanup(void)
192{ 188{
193 struct nand_chip *this = (struct nand_chip *) &h1910_nand_mtd[1]; 189 struct nand_chip *this = (struct nand_chip *)&h1910_nand_mtd[1];
194 190
195 /* Release resources, unregister device */ 191 /* Release resources, unregister device */
196 nand_release (h1910_nand_mtd); 192 nand_release(h1910_nand_mtd);
197 193
198 /* Release io resource */ 194 /* Release io resource */
199 iounmap ((void *) this->IO_ADDR_W); 195 iounmap((void *)this->IO_ADDR_W);
200 196
201 /* Free the MTD device structure */ 197 /* Free the MTD device structure */
202 kfree (h1910_nand_mtd); 198 kfree(h1910_nand_mtd);
203} 199}
200
204module_exit(h1910_cleanup); 201module_exit(h1910_cleanup);
205 202
206MODULE_LICENSE("GPL"); 203MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 95e96fa1fceb..fdaf32083ada 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -92,24 +92,24 @@ static struct nand_oobinfo nand_oob_8 = {
92 .useecc = MTD_NANDECC_AUTOPLACE, 92 .useecc = MTD_NANDECC_AUTOPLACE,
93 .eccbytes = 3, 93 .eccbytes = 3,
94 .eccpos = {0, 1, 2}, 94 .eccpos = {0, 1, 2},
95 .oobfree = { {3, 2}, {6, 2} } 95 .oobfree = {{3, 2}, {6, 2}}
96}; 96};
97 97
98static struct nand_oobinfo nand_oob_16 = { 98static struct nand_oobinfo nand_oob_16 = {
99 .useecc = MTD_NANDECC_AUTOPLACE, 99 .useecc = MTD_NANDECC_AUTOPLACE,
100 .eccbytes = 6, 100 .eccbytes = 6,
101 .eccpos = {0, 1, 2, 3, 6, 7}, 101 .eccpos = {0, 1, 2, 3, 6, 7},
102 .oobfree = { {8, 8} } 102 .oobfree = {{8, 8}}
103}; 103};
104 104
105static struct nand_oobinfo nand_oob_64 = { 105static struct nand_oobinfo nand_oob_64 = {
106 .useecc = MTD_NANDECC_AUTOPLACE, 106 .useecc = MTD_NANDECC_AUTOPLACE,
107 .eccbytes = 24, 107 .eccbytes = 24,
108 .eccpos = { 108 .eccpos = {
109 40, 41, 42, 43, 44, 45, 46, 47, 109 40, 41, 42, 43, 44, 45, 46, 47,
110 48, 49, 50, 51, 52, 53, 54, 55, 110 48, 49, 50, 51, 52, 53, 54, 55,
111 56, 57, 58, 59, 60, 61, 62, 63}, 111 56, 57, 58, 59, 60, 61, 62, 63},
112 .oobfree = { {2, 38} } 112 .oobfree = {{2, 38}}
113}; 113};
114 114
115/* This is used for padding purposes in nand_write_oob */ 115/* This is used for padding purposes in nand_write_oob */
@@ -131,32 +131,32 @@ static void nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len);
131static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len); 131static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len);
132static int nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len); 132static int nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len);
133 133
134static int nand_read (struct mtd_info *mtd, loff_t from, size_t len, size_t * retlen, u_char * buf); 134static int nand_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
135static int nand_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, 135static int nand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
136 size_t * retlen, u_char * buf, u_char * eccbuf, struct nand_oobinfo *oobsel); 136 size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
137static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t * retlen, u_char * buf); 137static int nand_read_oob(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
138static int nand_write (struct mtd_info *mtd, loff_t to, size_t len, size_t * retlen, const u_char * buf); 138static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
139static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, 139static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
140 size_t * retlen, const u_char * buf, u_char * eccbuf, struct nand_oobinfo *oobsel); 140 size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
141static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t * retlen, const u_char *buf); 141static int nand_write_oob(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
142static int nand_writev (struct mtd_info *mtd, const struct kvec *vecs, 142static int nand_writev(struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen);
143 unsigned long count, loff_t to, size_t * retlen); 143static int nand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
144static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, 144 unsigned long count, loff_t to, size_t *retlen, u_char *eccbuf,
145 unsigned long count, loff_t to, size_t * retlen, u_char *eccbuf, struct nand_oobinfo *oobsel); 145 struct nand_oobinfo *oobsel);
146static int nand_erase (struct mtd_info *mtd, struct erase_info *instr); 146static int nand_erase(struct mtd_info *mtd, struct erase_info *instr);
147static void nand_sync (struct mtd_info *mtd); 147static void nand_sync(struct mtd_info *mtd);
148 148
149/* Some internal functions */ 149/* Some internal functions */
150static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int page, u_char *oob_buf, 150static int nand_write_page(struct mtd_info *mtd, struct nand_chip *this, int page, u_char * oob_buf,
151 struct nand_oobinfo *oobsel, int mode); 151 struct nand_oobinfo *oobsel, int mode);
152#ifdef CONFIG_MTD_NAND_VERIFY_WRITE 152#ifdef CONFIG_MTD_NAND_VERIFY_WRITE
153static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int page, int numpages, 153static int nand_verify_pages(struct mtd_info *mtd, struct nand_chip *this, int page, int numpages,
154 u_char *oob_buf, struct nand_oobinfo *oobsel, int chipnr, int oobmode); 154 u_char *oob_buf, struct nand_oobinfo *oobsel, int chipnr, int oobmode);
155#else 155#else
156#define nand_verify_pages(...) (0) 156#define nand_verify_pages(...) (0)
157#endif 157#endif
158 158
159static int nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int new_state); 159static int nand_get_device(struct nand_chip *this, struct mtd_info *mtd, int new_state);
160 160
161/** 161/**
162 * nand_release_device - [GENERIC] release chip 162 * nand_release_device - [GENERIC] release chip
@@ -164,7 +164,7 @@ static int nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int ne
164 * 164 *
165 * Deselect, release chip lock and wake up anyone waiting on the device 165 * Deselect, release chip lock and wake up anyone waiting on the device
166 */ 166 */
167static void nand_release_device (struct mtd_info *mtd) 167static void nand_release_device(struct mtd_info *mtd)
168{ 168{
169 struct nand_chip *this = mtd->priv; 169 struct nand_chip *this = mtd->priv;
170 170
@@ -276,7 +276,7 @@ static void nand_write_word(struct mtd_info *mtd, u16 word)
276static void nand_select_chip(struct mtd_info *mtd, int chip) 276static void nand_select_chip(struct mtd_info *mtd, int chip)
277{ 277{
278 struct nand_chip *this = mtd->priv; 278 struct nand_chip *this = mtd->priv;
279 switch(chip) { 279 switch (chip) {
280 case -1: 280 case -1:
281 this->hwcontrol(mtd, NAND_CTL_CLRNCE); 281 this->hwcontrol(mtd, NAND_CTL_CLRNCE);
282 break; 282 break;
@@ -302,7 +302,7 @@ static void nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
302 int i; 302 int i;
303 struct nand_chip *this = mtd->priv; 303 struct nand_chip *this = mtd->priv;
304 304
305 for (i=0; i<len; i++) 305 for (i = 0; i < len; i++)
306 writeb(buf[i], this->IO_ADDR_W); 306 writeb(buf[i], this->IO_ADDR_W);
307} 307}
308 308
@@ -319,7 +319,7 @@ static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
319 int i; 319 int i;
320 struct nand_chip *this = mtd->priv; 320 struct nand_chip *this = mtd->priv;
321 321
322 for (i=0; i<len; i++) 322 for (i = 0; i < len; i++)
323 buf[i] = readb(this->IO_ADDR_R); 323 buf[i] = readb(this->IO_ADDR_R);
324} 324}
325 325
@@ -336,7 +336,7 @@ static int nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
336 int i; 336 int i;
337 struct nand_chip *this = mtd->priv; 337 struct nand_chip *this = mtd->priv;
338 338
339 for (i=0; i<len; i++) 339 for (i = 0; i < len; i++)
340 if (buf[i] != readb(this->IO_ADDR_R)) 340 if (buf[i] != readb(this->IO_ADDR_R))
341 return -EFAULT; 341 return -EFAULT;
342 342
@@ -358,7 +358,7 @@ static void nand_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
358 u16 *p = (u16 *) buf; 358 u16 *p = (u16 *) buf;
359 len >>= 1; 359 len >>= 1;
360 360
361 for (i=0; i<len; i++) 361 for (i = 0; i < len; i++)
362 writew(p[i], this->IO_ADDR_W); 362 writew(p[i], this->IO_ADDR_W);
363 363
364} 364}
@@ -378,7 +378,7 @@ static void nand_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
378 u16 *p = (u16 *) buf; 378 u16 *p = (u16 *) buf;
379 len >>= 1; 379 len >>= 1;
380 380
381 for (i=0; i<len; i++) 381 for (i = 0; i < len; i++)
382 p[i] = readw(this->IO_ADDR_R); 382 p[i] = readw(this->IO_ADDR_R);
383} 383}
384 384
@@ -397,7 +397,7 @@ static int nand_verify_buf16(struct mtd_info *mtd, const u_char *buf, int len)
397 u16 *p = (u16 *) buf; 397 u16 *p = (u16 *) buf;
398 len >>= 1; 398 len >>= 1;
399 399
400 for (i=0; i<len; i++) 400 for (i = 0; i < len; i++)
401 if (p[i] != readw(this->IO_ADDR_R)) 401 if (p[i] != readw(this->IO_ADDR_R))
402 return -EFAULT; 402 return -EFAULT;
403 403
@@ -423,22 +423,22 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
423 chipnr = (int)(ofs >> this->chip_shift); 423 chipnr = (int)(ofs >> this->chip_shift);
424 424
425 /* Grab the lock and see if the device is available */ 425 /* Grab the lock and see if the device is available */
426 nand_get_device (this, mtd, FL_READING); 426 nand_get_device(this, mtd, FL_READING);
427 427
428 /* Select the NAND device */ 428 /* Select the NAND device */
429 this->select_chip(mtd, chipnr); 429 this->select_chip(mtd, chipnr);
430 } else 430 } else
431 page = (int) ofs; 431 page = (int)ofs;
432 432
433 if (this->options & NAND_BUSWIDTH_16) { 433 if (this->options & NAND_BUSWIDTH_16) {
434 this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos & 0xFE, page & this->pagemask); 434 this->cmdfunc(mtd, NAND_CMD_READOOB, this->badblockpos & 0xFE, page & this->pagemask);
435 bad = cpu_to_le16(this->read_word(mtd)); 435 bad = cpu_to_le16(this->read_word(mtd));
436 if (this->badblockpos & 0x1) 436 if (this->badblockpos & 0x1)
437 bad >>= 8; 437 bad >>= 8;
438 if ((bad & 0xFF) != 0xff) 438 if ((bad & 0xFF) != 0xff)
439 res = 1; 439 res = 1;
440 } else { 440 } else {
441 this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos, page & this->pagemask); 441 this->cmdfunc(mtd, NAND_CMD_READOOB, this->badblockpos, page & this->pagemask);
442 if (this->read_byte(mtd) != 0xff) 442 if (this->read_byte(mtd) != 0xff)
443 res = 1; 443 res = 1;
444 } 444 }
@@ -462,22 +462,22 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
462static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) 462static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
463{ 463{
464 struct nand_chip *this = mtd->priv; 464 struct nand_chip *this = mtd->priv;
465 u_char buf[2] = {0, 0}; 465 u_char buf[2] = { 0, 0 };
466 size_t retlen; 466 size_t retlen;
467 int block; 467 int block;
468 468
469 /* Get block number */ 469 /* Get block number */
470 block = ((int) ofs) >> this->bbt_erase_shift; 470 block = ((int)ofs) >> this->bbt_erase_shift;
471 if (this->bbt) 471 if (this->bbt)
472 this->bbt[block >> 2] |= 0x01 << ((block & 0x03) << 1); 472 this->bbt[block >> 2] |= 0x01 << ((block & 0x03) << 1);
473 473
474 /* Do we have a flash based bad block table ? */ 474 /* Do we have a flash based bad block table ? */
475 if (this->options & NAND_USE_FLASH_BBT) 475 if (this->options & NAND_USE_FLASH_BBT)
476 return nand_update_bbt (mtd, ofs); 476 return nand_update_bbt(mtd, ofs);
477 477
478 /* We write two bytes, so we dont have to mess with 16 bit access */ 478 /* We write two bytes, so we dont have to mess with 16 bit access */
479 ofs += mtd->oobsize + (this->badblockpos & ~0x01); 479 ofs += mtd->oobsize + (this->badblockpos & ~0x01);
480 return nand_write_oob (mtd, ofs , 2, &retlen, buf); 480 return nand_write_oob(mtd, ofs, 2, &retlen, buf);
481} 481}
482 482
483/** 483/**
@@ -487,11 +487,11 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
487 * 487 *
488 * The function expects, that the device is already selected 488 * The function expects, that the device is already selected
489 */ 489 */
490static int nand_check_wp (struct mtd_info *mtd) 490static int nand_check_wp(struct mtd_info *mtd)
491{ 491{
492 struct nand_chip *this = mtd->priv; 492 struct nand_chip *this = mtd->priv;
493 /* Check the WP bit */ 493 /* Check the WP bit */
494 this->cmdfunc (mtd, NAND_CMD_STATUS, -1, -1); 494 this->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
495 return (this->read_byte(mtd) & NAND_STATUS_WP) ? 0 : 1; 495 return (this->read_byte(mtd) & NAND_STATUS_WP) ? 0 : 1;
496} 496}
497 497
@@ -505,7 +505,7 @@ static int nand_check_wp (struct mtd_info *mtd)
505 * Check, if the block is bad. Either by reading the bad block table or 505 * Check, if the block is bad. Either by reading the bad block table or
506 * calling of the scan function. 506 * calling of the scan function.
507 */ 507 */
508static int nand_block_checkbad (struct mtd_info *mtd, loff_t ofs, int getchip, int allowbbt) 508static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip, int allowbbt)
509{ 509{
510 struct nand_chip *this = mtd->priv; 510 struct nand_chip *this = mtd->priv;
511 511
@@ -513,7 +513,7 @@ static int nand_block_checkbad (struct mtd_info *mtd, loff_t ofs, int getchip, i
513 return this->block_bad(mtd, ofs, getchip); 513 return this->block_bad(mtd, ofs, getchip);
514 514
515 /* Return info from the table */ 515 /* Return info from the table */
516 return nand_isbad_bbt (mtd, ofs, allowbbt); 516 return nand_isbad_bbt(mtd, ofs, allowbbt);
517} 517}
518 518
519DEFINE_LED_TRIGGER(nand_led_trigger); 519DEFINE_LED_TRIGGER(nand_led_trigger);
@@ -525,7 +525,7 @@ DEFINE_LED_TRIGGER(nand_led_trigger);
525static void nand_wait_ready(struct mtd_info *mtd) 525static void nand_wait_ready(struct mtd_info *mtd)
526{ 526{
527 struct nand_chip *this = mtd->priv; 527 struct nand_chip *this = mtd->priv;
528 unsigned long timeo = jiffies + 2; 528 unsigned long timeo = jiffies + 2;
529 529
530 led_trigger_event(nand_led_trigger, LED_FULL); 530 led_trigger_event(nand_led_trigger, LED_FULL);
531 /* wait until command is processed or timeout occures */ 531 /* wait until command is processed or timeout occures */
@@ -547,7 +547,7 @@ static void nand_wait_ready(struct mtd_info *mtd)
547 * Send command to NAND device. This function is used for small page 547 * Send command to NAND device. This function is used for small page
548 * devices (256/512 Bytes per page) 548 * devices (256/512 Bytes per page)
549 */ 549 */
550static void nand_command (struct mtd_info *mtd, unsigned command, int column, int page_addr) 550static void nand_command(struct mtd_info *mtd, unsigned command, int column, int page_addr)
551{ 551{
552 register struct nand_chip *this = mtd->priv; 552 register struct nand_chip *this = mtd->priv;
553 553
@@ -588,11 +588,11 @@ static void nand_command (struct mtd_info *mtd, unsigned command, int column, in
588 this->write_byte(mtd, column); 588 this->write_byte(mtd, column);
589 } 589 }
590 if (page_addr != -1) { 590 if (page_addr != -1) {
591 this->write_byte(mtd, (unsigned char) (page_addr & 0xff)); 591 this->write_byte(mtd, (unsigned char)(page_addr & 0xff));
592 this->write_byte(mtd, (unsigned char) ((page_addr >> 8) & 0xff)); 592 this->write_byte(mtd, (unsigned char)((page_addr >> 8) & 0xff));
593 /* One more address cycle for devices > 32MiB */ 593 /* One more address cycle for devices > 32MiB */
594 if (this->chipsize > (32 << 20)) 594 if (this->chipsize > (32 << 20))
595 this->write_byte(mtd, (unsigned char) ((page_addr >> 16) & 0x0f)); 595 this->write_byte(mtd, (unsigned char)((page_addr >> 16) & 0x0f));
596 } 596 }
597 /* Latch in address */ 597 /* Latch in address */
598 this->hwcontrol(mtd, NAND_CTL_CLRALE); 598 this->hwcontrol(mtd, NAND_CTL_CLRALE);
@@ -601,7 +601,7 @@ static void nand_command (struct mtd_info *mtd, unsigned command, int column, in
601 /* 601 /*
602 * program and erase have their own busy handlers 602 * program and erase have their own busy handlers
603 * status and sequential in needs no delay 603 * status and sequential in needs no delay
604 */ 604 */
605 switch (command) { 605 switch (command) {
606 606
607 case NAND_CMD_PAGEPROG: 607 case NAND_CMD_PAGEPROG:
@@ -618,23 +618,23 @@ static void nand_command (struct mtd_info *mtd, unsigned command, int column, in
618 this->hwcontrol(mtd, NAND_CTL_SETCLE); 618 this->hwcontrol(mtd, NAND_CTL_SETCLE);
619 this->write_byte(mtd, NAND_CMD_STATUS); 619 this->write_byte(mtd, NAND_CMD_STATUS);
620 this->hwcontrol(mtd, NAND_CTL_CLRCLE); 620 this->hwcontrol(mtd, NAND_CTL_CLRCLE);
621 while ( !(this->read_byte(mtd) & NAND_STATUS_READY)); 621 while (!(this->read_byte(mtd) & NAND_STATUS_READY)) ;
622 return; 622 return;
623 623
624 /* This applies to read commands */ 624 /* This applies to read commands */
625 default: 625 default:
626 /* 626 /*
627 * If we don't have access to the busy pin, we apply the given 627 * If we don't have access to the busy pin, we apply the given
628 * command delay 628 * command delay
629 */ 629 */
630 if (!this->dev_ready) { 630 if (!this->dev_ready) {
631 udelay (this->chip_delay); 631 udelay(this->chip_delay);
632 return; 632 return;
633 } 633 }
634 } 634 }
635 /* Apply this short delay always to ensure that we do wait tWB in 635 /* Apply this short delay always to ensure that we do wait tWB in
636 * any case on any machine. */ 636 * any case on any machine. */
637 ndelay (100); 637 ndelay(100);
638 638
639 nand_wait_ready(mtd); 639 nand_wait_ready(mtd);
640} 640}
@@ -647,11 +647,11 @@ static void nand_command (struct mtd_info *mtd, unsigned command, int column, in
647 * @page_addr: the page address for this command, -1 if none 647 * @page_addr: the page address for this command, -1 if none
648 * 648 *
649 * Send command to NAND device. This is the version for the new large page devices 649 * Send command to NAND device. This is the version for the new large page devices
650 * We dont have the seperate regions as we have in the small page devices. 650 * We dont have the separate regions as we have in the small page devices.
651 * We must emulate NAND_CMD_READOOB to keep the code compatible. 651 * We must emulate NAND_CMD_READOOB to keep the code compatible.
652 * 652 *
653 */ 653 */
654static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column, int page_addr) 654static void nand_command_lp(struct mtd_info *mtd, unsigned command, int column, int page_addr)
655{ 655{
656 register struct nand_chip *this = mtd->priv; 656 register struct nand_chip *this = mtd->priv;
657 657
@@ -661,7 +661,6 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
661 command = NAND_CMD_READ0; 661 command = NAND_CMD_READ0;
662 } 662 }
663 663
664
665 /* Begin command latch cycle */ 664 /* Begin command latch cycle */
666 this->hwcontrol(mtd, NAND_CTL_SETCLE); 665 this->hwcontrol(mtd, NAND_CTL_SETCLE);
667 /* Write out the command to the device. */ 666 /* Write out the command to the device. */
@@ -681,11 +680,11 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
681 this->write_byte(mtd, column >> 8); 680 this->write_byte(mtd, column >> 8);
682 } 681 }
683 if (page_addr != -1) { 682 if (page_addr != -1) {
684 this->write_byte(mtd, (unsigned char) (page_addr & 0xff)); 683 this->write_byte(mtd, (unsigned char)(page_addr & 0xff));
685 this->write_byte(mtd, (unsigned char) ((page_addr >> 8) & 0xff)); 684 this->write_byte(mtd, (unsigned char)((page_addr >> 8) & 0xff));
686 /* One more address cycle for devices > 128MiB */ 685 /* One more address cycle for devices > 128MiB */
687 if (this->chipsize > (128 << 20)) 686 if (this->chipsize > (128 << 20))
688 this->write_byte(mtd, (unsigned char) ((page_addr >> 16) & 0xff)); 687 this->write_byte(mtd, (unsigned char)((page_addr >> 16) & 0xff));
689 } 688 }
690 /* Latch in address */ 689 /* Latch in address */
691 this->hwcontrol(mtd, NAND_CTL_CLRALE); 690 this->hwcontrol(mtd, NAND_CTL_CLRALE);
@@ -706,9 +705,9 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
706 case NAND_CMD_DEPLETE1: 705 case NAND_CMD_DEPLETE1:
707 return; 706 return;
708 707
709 /* 708 /*
710 * read error status commands require only a short delay 709 * read error status commands require only a short delay
711 */ 710 */
712 case NAND_CMD_STATUS_ERROR: 711 case NAND_CMD_STATUS_ERROR:
713 case NAND_CMD_STATUS_ERROR0: 712 case NAND_CMD_STATUS_ERROR0:
714 case NAND_CMD_STATUS_ERROR1: 713 case NAND_CMD_STATUS_ERROR1:
@@ -724,7 +723,7 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
724 this->hwcontrol(mtd, NAND_CTL_SETCLE); 723 this->hwcontrol(mtd, NAND_CTL_SETCLE);
725 this->write_byte(mtd, NAND_CMD_STATUS); 724 this->write_byte(mtd, NAND_CMD_STATUS);
726 this->hwcontrol(mtd, NAND_CTL_CLRCLE); 725 this->hwcontrol(mtd, NAND_CTL_CLRCLE);
727 while ( !(this->read_byte(mtd) & NAND_STATUS_READY)); 726 while (!(this->read_byte(mtd) & NAND_STATUS_READY)) ;
728 return; 727 return;
729 728
730 case NAND_CMD_READ0: 729 case NAND_CMD_READ0:
@@ -736,21 +735,21 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
736 this->hwcontrol(mtd, NAND_CTL_CLRCLE); 735 this->hwcontrol(mtd, NAND_CTL_CLRCLE);
737 /* Fall through into ready check */ 736 /* Fall through into ready check */
738 737
739 /* This applies to read commands */ 738 /* This applies to read commands */
740 default: 739 default:
741 /* 740 /*
742 * If we don't have access to the busy pin, we apply the given 741 * If we don't have access to the busy pin, we apply the given
743 * command delay 742 * command delay
744 */ 743 */
745 if (!this->dev_ready) { 744 if (!this->dev_ready) {
746 udelay (this->chip_delay); 745 udelay(this->chip_delay);
747 return; 746 return;
748 } 747 }
749 } 748 }
750 749
751 /* Apply this short delay always to ensure that we do wait tWB in 750 /* Apply this short delay always to ensure that we do wait tWB in
752 * any case on any machine. */ 751 * any case on any machine. */
753 ndelay (100); 752 ndelay(100);
754 753
755 nand_wait_ready(mtd); 754 nand_wait_ready(mtd);
756} 755}
@@ -763,16 +762,16 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
763 * 762 *
764 * Get the device and lock it for exclusive access 763 * Get the device and lock it for exclusive access
765 */ 764 */
766static int nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int new_state) 765static int nand_get_device(struct nand_chip *this, struct mtd_info *mtd, int new_state)
767{ 766{
768 struct nand_chip *active; 767 struct nand_chip *active;
769 spinlock_t *lock; 768 spinlock_t *lock;
770 wait_queue_head_t *wq; 769 wait_queue_head_t *wq;
771 DECLARE_WAITQUEUE (wait, current); 770 DECLARE_WAITQUEUE(wait, current);
772 771
773 lock = (this->controller) ? &this->controller->lock : &this->chip_lock; 772 lock = (this->controller) ? &this->controller->lock : &this->chip_lock;
774 wq = (this->controller) ? &this->controller->wq : &this->wq; 773 wq = (this->controller) ? &this->controller->wq : &this->wq;
775retry: 774 retry:
776 active = this; 775 active = this;
777 spin_lock(lock); 776 spin_lock(lock);
778 777
@@ -814,24 +813,24 @@ retry:
814static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state) 813static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
815{ 814{
816 815
817 unsigned long timeo = jiffies; 816 unsigned long timeo = jiffies;
818 int status; 817 int status;
819 818
820 if (state == FL_ERASING) 819 if (state == FL_ERASING)
821 timeo += (HZ * 400) / 1000; 820 timeo += (HZ * 400) / 1000;
822 else 821 else
823 timeo += (HZ * 20) / 1000; 822 timeo += (HZ * 20) / 1000;
824 823
825 led_trigger_event(nand_led_trigger, LED_FULL); 824 led_trigger_event(nand_led_trigger, LED_FULL);
826 825
827 /* Apply this short delay always to ensure that we do wait tWB in 826 /* Apply this short delay always to ensure that we do wait tWB in
828 * any case on any machine. */ 827 * any case on any machine. */
829 ndelay (100); 828 ndelay(100);
830 829
831 if ((state == FL_ERASING) && (this->options & NAND_IS_AND)) 830 if ((state == FL_ERASING) && (this->options & NAND_IS_AND))
832 this->cmdfunc (mtd, NAND_CMD_STATUS_MULTI, -1, -1); 831 this->cmdfunc(mtd, NAND_CMD_STATUS_MULTI, -1, -1);
833 else 832 else
834 this->cmdfunc (mtd, NAND_CMD_STATUS, -1, -1); 833 this->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
835 834
836 while (time_before(jiffies, timeo)) { 835 while (time_before(jiffies, timeo)) {
837 /* Check, if we were interrupted */ 836 /* Check, if we were interrupted */
@@ -849,7 +848,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
849 } 848 }
850 led_trigger_event(nand_led_trigger, LED_OFF); 849 led_trigger_event(nand_led_trigger, LED_OFF);
851 850
852 status = (int) this->read_byte(mtd); 851 status = (int)this->read_byte(mtd);
853 return status; 852 return status;
854} 853}
855 854
@@ -868,31 +867,31 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
868 * 867 *
869 * Cached programming is not supported yet. 868 * Cached programming is not supported yet.
870 */ 869 */
871static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int page, 870static int nand_write_page(struct mtd_info *mtd, struct nand_chip *this, int page,
872 u_char *oob_buf, struct nand_oobinfo *oobsel, int cached) 871 u_char *oob_buf, struct nand_oobinfo *oobsel, int cached)
873{ 872{
874 int i, status; 873 int i, status;
875 u_char ecc_code[32]; 874 u_char ecc_code[32];
876 int eccmode = oobsel->useecc ? this->eccmode : NAND_ECC_NONE; 875 int eccmode = oobsel->useecc ? this->eccmode : NAND_ECC_NONE;
877 int *oob_config = oobsel->eccpos; 876 int *oob_config = oobsel->eccpos;
878 int datidx = 0, eccidx = 0, eccsteps = this->eccsteps; 877 int datidx = 0, eccidx = 0, eccsteps = this->eccsteps;
879 int eccbytes = 0; 878 int eccbytes = 0;
880 879
881 /* FIXME: Enable cached programming */ 880 /* FIXME: Enable cached programming */
882 cached = 0; 881 cached = 0;
883 882
884 /* Send command to begin auto page programming */ 883 /* Send command to begin auto page programming */
885 this->cmdfunc (mtd, NAND_CMD_SEQIN, 0x00, page); 884 this->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page);
886 885
887 /* Write out complete page of data, take care of eccmode */ 886 /* Write out complete page of data, take care of eccmode */
888 switch (eccmode) { 887 switch (eccmode) {
889 /* No ecc, write all */ 888 /* No ecc, write all */
890 case NAND_ECC_NONE: 889 case NAND_ECC_NONE:
891 printk (KERN_WARNING "Writing data without ECC to NAND-FLASH is not recommended\n"); 890 printk(KERN_WARNING "Writing data without ECC to NAND-FLASH is not recommended\n");
892 this->write_buf(mtd, this->data_poi, mtd->oobblock); 891 this->write_buf(mtd, this->data_poi, mtd->oobblock);
893 break; 892 break;
894 893
895 /* Software ecc 3/256, write all */ 894 /* Software ecc 3/256, write all */
896 case NAND_ECC_SOFT: 895 case NAND_ECC_SOFT:
897 for (; eccsteps; eccsteps--) { 896 for (; eccsteps; eccsteps--) {
898 this->calculate_ecc(mtd, &this->data_poi[datidx], ecc_code); 897 this->calculate_ecc(mtd, &this->data_poi[datidx], ecc_code);
@@ -928,11 +927,11 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
928 this->write_buf(mtd, oob_buf, mtd->oobsize); 927 this->write_buf(mtd, oob_buf, mtd->oobsize);
929 928
930 /* Send command to actually program the data */ 929 /* Send command to actually program the data */
931 this->cmdfunc (mtd, cached ? NAND_CMD_CACHEDPROG : NAND_CMD_PAGEPROG, -1, -1); 930 this->cmdfunc(mtd, cached ? NAND_CMD_CACHEDPROG : NAND_CMD_PAGEPROG, -1, -1);
932 931
933 if (!cached) { 932 if (!cached) {
934 /* call wait ready function */ 933 /* call wait ready function */
935 status = this->waitfunc (mtd, this, FL_WRITING); 934 status = this->waitfunc(mtd, this, FL_WRITING);
936 935
937 /* See if operation failed and additional status checks are available */ 936 /* See if operation failed and additional status checks are available */
938 if ((status & NAND_STATUS_FAIL) && (this->errstat)) { 937 if ((status & NAND_STATUS_FAIL) && (this->errstat)) {
@@ -941,12 +940,12 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
941 940
942 /* See if device thinks it succeeded */ 941 /* See if device thinks it succeeded */
943 if (status & NAND_STATUS_FAIL) { 942 if (status & NAND_STATUS_FAIL) {
944 DEBUG (MTD_DEBUG_LEVEL0, "%s: " "Failed write, page 0x%08x, ", __FUNCTION__, page); 943 DEBUG(MTD_DEBUG_LEVEL0, "%s: " "Failed write, page 0x%08x, ", __FUNCTION__, page);
945 return -EIO; 944 return -EIO;
946 } 945 }
947 } else { 946 } else {
948 /* FIXME: Implement cached programming ! */ 947 /* FIXME: Implement cached programming ! */
949 /* wait until cache is ready*/ 948 /* wait until cache is ready */
950 // status = this->waitfunc (mtd, this, FL_CACHEDRPG); 949 // status = this->waitfunc (mtd, this, FL_CACHEDRPG);
951 } 950 }
952 return 0; 951 return 0;
@@ -972,24 +971,24 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
972 * the error later when the ECC page check fails, but we would rather catch 971 * the error later when the ECC page check fails, but we would rather catch
973 * it early in the page write stage. Better to write no data than invalid data. 972 * it early in the page write stage. Better to write no data than invalid data.
974 */ 973 */
975static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int page, int numpages, 974static int nand_verify_pages(struct mtd_info *mtd, struct nand_chip *this, int page, int numpages,
976 u_char *oob_buf, struct nand_oobinfo *oobsel, int chipnr, int oobmode) 975 u_char *oob_buf, struct nand_oobinfo *oobsel, int chipnr, int oobmode)
977{ 976{
978 int i, j, datidx = 0, oobofs = 0, res = -EIO; 977 int i, j, datidx = 0, oobofs = 0, res = -EIO;
979 int eccsteps = this->eccsteps; 978 int eccsteps = this->eccsteps;
980 int hweccbytes; 979 int hweccbytes;
981 u_char oobdata[64]; 980 u_char oobdata[64];
982 981
983 hweccbytes = (this->options & NAND_HWECC_SYNDROME) ? (oobsel->eccbytes / eccsteps) : 0; 982 hweccbytes = (this->options & NAND_HWECC_SYNDROME) ? (oobsel->eccbytes / eccsteps) : 0;
984 983
985 /* Send command to read back the first page */ 984 /* Send command to read back the first page */
986 this->cmdfunc (mtd, NAND_CMD_READ0, 0, page); 985 this->cmdfunc(mtd, NAND_CMD_READ0, 0, page);
987 986
988 for(;;) { 987 for (;;) {
989 for (j = 0; j < eccsteps; j++) { 988 for (j = 0; j < eccsteps; j++) {
990 /* Loop through and verify the data */ 989 /* Loop through and verify the data */
991 if (this->verify_buf(mtd, &this->data_poi[datidx], mtd->eccsize)) { 990 if (this->verify_buf(mtd, &this->data_poi[datidx], mtd->eccsize)) {
992 DEBUG (MTD_DEBUG_LEVEL0, "%s: " "Failed write verify, page 0x%08x ", __FUNCTION__, page); 991 DEBUG(MTD_DEBUG_LEVEL0, "%s: " "Failed write verify, page 0x%08x ", __FUNCTION__, page);
993 goto out; 992 goto out;
994 } 993 }
995 datidx += mtd->eccsize; 994 datidx += mtd->eccsize;
@@ -997,7 +996,7 @@ static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int
997 if (!hweccbytes) 996 if (!hweccbytes)
998 continue; 997 continue;
999 if (this->verify_buf(mtd, &this->oob_buf[oobofs], hweccbytes)) { 998 if (this->verify_buf(mtd, &this->oob_buf[oobofs], hweccbytes)) {
1000 DEBUG (MTD_DEBUG_LEVEL0, "%s: " "Failed write verify, page 0x%08x ", __FUNCTION__, page); 999 DEBUG(MTD_DEBUG_LEVEL0, "%s: " "Failed write verify, page 0x%08x ", __FUNCTION__, page);
1001 goto out; 1000 goto out;
1002 } 1001 }
1003 oobofs += hweccbytes; 1002 oobofs += hweccbytes;
@@ -1008,7 +1007,7 @@ static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int
1008 */ 1007 */
1009 if (oobmode) { 1008 if (oobmode) {
1010 if (this->verify_buf(mtd, &oob_buf[oobofs], mtd->oobsize - hweccbytes * eccsteps)) { 1009 if (this->verify_buf(mtd, &oob_buf[oobofs], mtd->oobsize - hweccbytes * eccsteps)) {
1011 DEBUG (MTD_DEBUG_LEVEL0, "%s: " "Failed write verify, page 0x%08x ", __FUNCTION__, page); 1010 DEBUG(MTD_DEBUG_LEVEL0, "%s: " "Failed write verify, page 0x%08x ", __FUNCTION__, page);
1012 goto out; 1011 goto out;
1013 } 1012 }
1014 } else { 1013 } else {
@@ -1020,10 +1019,9 @@ static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int
1020 1019
1021 for (i = 0; i < ecccnt; i++) { 1020 for (i = 0; i < ecccnt; i++) {
1022 int idx = oobsel->eccpos[i]; 1021 int idx = oobsel->eccpos[i];
1023 if (oobdata[idx] != oob_buf[oobofs + idx] ) { 1022 if (oobdata[idx] != oob_buf[oobofs + idx]) {
1024 DEBUG (MTD_DEBUG_LEVEL0, 1023 DEBUG(MTD_DEBUG_LEVEL0, "%s: Failed ECC write verify, page 0x%08x, %6i bytes were succesful\n",
1025 "%s: Failed ECC write " 1024 __FUNCTION__, page, i);
1026 "verify, page 0x%08x, " "%6i bytes were succesful\n", __FUNCTION__, page, i);
1027 goto out; 1025 goto out;
1028 } 1026 }
1029 } 1027 }
@@ -1039,9 +1037,9 @@ static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int
1039 * is marked as NOAUTOINCR by the board driver. 1037 * is marked as NOAUTOINCR by the board driver.
1040 * Do this also before returning, so the chip is 1038 * Do this also before returning, so the chip is
1041 * ready for the next command. 1039 * ready for the next command.
1042 */ 1040 */
1043 if (!this->dev_ready) 1041 if (!this->dev_ready)
1044 udelay (this->chip_delay); 1042 udelay(this->chip_delay);
1045 else 1043 else
1046 nand_wait_ready(mtd); 1044 nand_wait_ready(mtd);
1047 1045
@@ -1049,17 +1047,16 @@ static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int
1049 if (!numpages) 1047 if (!numpages)
1050 return 0; 1048 return 0;
1051 1049
1052
1053 /* Check, if the chip supports auto page increment */ 1050 /* Check, if the chip supports auto page increment */
1054 if (!NAND_CANAUTOINCR(this)) 1051 if (!NAND_CANAUTOINCR(this))
1055 this->cmdfunc (mtd, NAND_CMD_READ0, 0x00, page); 1052 this->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
1056 } 1053 }
1057 /* 1054 /*
1058 * Terminate the read command. We come here in case of an error 1055 * Terminate the read command. We come here in case of an error
1059 * So we must issue a reset command. 1056 * So we must issue a reset command.
1060 */ 1057 */
1061out: 1058 out:
1062 this->cmdfunc (mtd, NAND_CMD_RESET, -1, -1); 1059 this->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
1063 return res; 1060 return res;
1064} 1061}
1065#endif 1062#endif
@@ -1075,12 +1072,11 @@ out:
1075 * This function simply calls nand_do_read_ecc with oob buffer and oobsel = NULL 1072 * This function simply calls nand_do_read_ecc with oob buffer and oobsel = NULL
1076 * and flags = 0xff 1073 * and flags = 0xff
1077 */ 1074 */
1078static int nand_read (struct mtd_info *mtd, loff_t from, size_t len, size_t * retlen, u_char * buf) 1075static int nand_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
1079{ 1076{
1080 return nand_do_read_ecc (mtd, from, len, retlen, buf, NULL, &mtd->oobinfo, 0xff); 1077 return nand_do_read_ecc(mtd, from, len, retlen, buf, NULL, &mtd->oobinfo, 0xff);
1081} 1078}
1082 1079
1083
1084/** 1080/**
1085 * nand_read_ecc - [MTD Interface] MTD compability function for nand_do_read_ecc 1081 * nand_read_ecc - [MTD Interface] MTD compability function for nand_do_read_ecc
1086 * @mtd: MTD device structure 1082 * @mtd: MTD device structure
@@ -1093,8 +1089,8 @@ static int nand_read (struct mtd_info *mtd, loff_t from, size_t len, size_t * re
1093 * 1089 *
1094 * This function simply calls nand_do_read_ecc with flags = 0xff 1090 * This function simply calls nand_do_read_ecc with flags = 0xff
1095 */ 1091 */
1096static int nand_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, 1092static int nand_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
1097 size_t * retlen, u_char * buf, u_char * oob_buf, struct nand_oobinfo *oobsel) 1093 size_t *retlen, u_char *buf, u_char *oob_buf, struct nand_oobinfo *oobsel)
1098{ 1094{
1099 /* use userspace supplied oobinfo, if zero */ 1095 /* use userspace supplied oobinfo, if zero */
1100 if (oobsel == NULL) 1096 if (oobsel == NULL)
@@ -1102,7 +1098,6 @@ static int nand_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1102 return nand_do_read_ecc(mtd, from, len, retlen, buf, oob_buf, oobsel, 0xff); 1098 return nand_do_read_ecc(mtd, from, len, retlen, buf, oob_buf, oobsel, 0xff);
1103} 1099}
1104 1100
1105
1106/** 1101/**
1107 * nand_do_read_ecc - [MTD Interface] Read data with ECC 1102 * nand_do_read_ecc - [MTD Interface] Read data with ECC
1108 * @mtd: MTD device structure 1103 * @mtd: MTD device structure
@@ -1119,9 +1114,8 @@ static int nand_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1119 * 1114 *
1120 * NAND read with ECC 1115 * NAND read with ECC
1121 */ 1116 */
1122int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len, 1117int nand_do_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
1123 size_t * retlen, u_char * buf, u_char * oob_buf, 1118 size_t *retlen, u_char *buf, u_char *oob_buf, struct nand_oobinfo *oobsel, int flags)
1124 struct nand_oobinfo *oobsel, int flags)
1125{ 1119{
1126 1120
1127 int i, j, col, realpage, page, end, ecc, chipnr, sndcmd = 1; 1121 int i, j, col, realpage, page, end, ecc, chipnr, sndcmd = 1;
@@ -1130,26 +1124,25 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1130 u_char *data_poi, *oob_data = oob_buf; 1124 u_char *data_poi, *oob_data = oob_buf;
1131 u_char ecc_calc[32]; 1125 u_char ecc_calc[32];
1132 u_char ecc_code[32]; 1126 u_char ecc_code[32];
1133 int eccmode, eccsteps; 1127 int eccmode, eccsteps;
1134 int *oob_config, datidx; 1128 int *oob_config, datidx;
1135 int blockcheck = (1 << (this->phys_erase_shift - this->page_shift)) - 1; 1129 int blockcheck = (1 << (this->phys_erase_shift - this->page_shift)) - 1;
1136 int eccbytes; 1130 int eccbytes;
1137 int compareecc = 1; 1131 int compareecc = 1;
1138 int oobreadlen; 1132 int oobreadlen;
1139 1133
1140 1134 DEBUG(MTD_DEBUG_LEVEL3, "nand_read_ecc: from = 0x%08x, len = %i\n", (unsigned int)from, (int)len);
1141 DEBUG (MTD_DEBUG_LEVEL3, "nand_read_ecc: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len);
1142 1135
1143 /* Do not allow reads past end of device */ 1136 /* Do not allow reads past end of device */
1144 if ((from + len) > mtd->size) { 1137 if ((from + len) > mtd->size) {
1145 DEBUG (MTD_DEBUG_LEVEL0, "nand_read_ecc: Attempt read beyond end of device\n"); 1138 DEBUG(MTD_DEBUG_LEVEL0, "nand_read_ecc: Attempt read beyond end of device\n");
1146 *retlen = 0; 1139 *retlen = 0;
1147 return -EINVAL; 1140 return -EINVAL;
1148 } 1141 }
1149 1142
1150 /* Grab the lock and see if the device is available */ 1143 /* Grab the lock and see if the device is available */
1151 if (flags & NAND_GET_DEVICE) 1144 if (flags & NAND_GET_DEVICE)
1152 nand_get_device (this, mtd, FL_READING); 1145 nand_get_device(this, mtd, FL_READING);
1153 1146
1154 /* Autoplace of oob data ? Use the default placement scheme */ 1147 /* Autoplace of oob data ? Use the default placement scheme */
1155 if (oobsel->useecc == MTD_NANDECC_AUTOPLACE) 1148 if (oobsel->useecc == MTD_NANDECC_AUTOPLACE)
@@ -1163,7 +1156,7 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1163 this->select_chip(mtd, chipnr); 1156 this->select_chip(mtd, chipnr);
1164 1157
1165 /* First we calculate the starting page */ 1158 /* First we calculate the starting page */
1166 realpage = (int) (from >> this->page_shift); 1159 realpage = (int)(from >> this->page_shift);
1167 page = realpage & this->pagemask; 1160 page = realpage & this->pagemask;
1168 1161
1169 /* Get raw starting column */ 1162 /* Get raw starting column */
@@ -1201,13 +1194,13 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1201 if (realpage == this->pagebuf && !oob_buf) { 1194 if (realpage == this->pagebuf && !oob_buf) {
1202 /* aligned read ? */ 1195 /* aligned read ? */
1203 if (aligned) 1196 if (aligned)
1204 memcpy (data_poi, this->data_buf, end); 1197 memcpy(data_poi, this->data_buf, end);
1205 goto readdata; 1198 goto readdata;
1206 } 1199 }
1207 1200
1208 /* Check, if we must send the read command */ 1201 /* Check, if we must send the read command */
1209 if (sndcmd) { 1202 if (sndcmd) {
1210 this->cmdfunc (mtd, NAND_CMD_READ0, 0x00, page); 1203 this->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
1211 sndcmd = 0; 1204 sndcmd = 0;
1212 } 1205 }
1213 1206
@@ -1219,24 +1212,26 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1219 eccsteps = this->eccsteps; 1212 eccsteps = this->eccsteps;
1220 1213
1221 switch (eccmode) { 1214 switch (eccmode) {
1222 case NAND_ECC_NONE: { /* No ECC, Read in a page */ 1215 case NAND_ECC_NONE:{
1223 static unsigned long lastwhinge = 0; 1216 /* No ECC, Read in a page */
1224 if ((lastwhinge / HZ) != (jiffies / HZ)) { 1217 static unsigned long lastwhinge = 0;
1225 printk (KERN_WARNING "Reading data from NAND FLASH without ECC is not recommended\n"); 1218 if ((lastwhinge / HZ) != (jiffies / HZ)) {
1226 lastwhinge = jiffies; 1219 printk(KERN_WARNING
1220 "Reading data from NAND FLASH without ECC is not recommended\n");
1221 lastwhinge = jiffies;
1222 }
1223 this->read_buf(mtd, data_poi, end);
1224 break;
1227 } 1225 }
1228 this->read_buf(mtd, data_poi, end);
1229 break;
1230 }
1231 1226
1232 case NAND_ECC_SOFT: /* Software ECC 3/256: Read in a page + oob data */ 1227 case NAND_ECC_SOFT: /* Software ECC 3/256: Read in a page + oob data */
1233 this->read_buf(mtd, data_poi, end); 1228 this->read_buf(mtd, data_poi, end);
1234 for (i = 0, datidx = 0; eccsteps; eccsteps--, i+=3, datidx += ecc) 1229 for (i = 0, datidx = 0; eccsteps; eccsteps--, i += 3, datidx += ecc)
1235 this->calculate_ecc(mtd, &data_poi[datidx], &ecc_calc[i]); 1230 this->calculate_ecc(mtd, &data_poi[datidx], &ecc_calc[i]);
1236 break; 1231 break;
1237 1232
1238 default: 1233 default:
1239 for (i = 0, datidx = 0; eccsteps; eccsteps--, i+=eccbytes, datidx += ecc) { 1234 for (i = 0, datidx = 0; eccsteps; eccsteps--, i += eccbytes, datidx += ecc) {
1240 this->enable_hwecc(mtd, NAND_ECC_READ); 1235 this->enable_hwecc(mtd, NAND_ECC_READ);
1241 this->read_buf(mtd, &data_poi[datidx], ecc); 1236 this->read_buf(mtd, &data_poi[datidx], ecc);
1242 1237
@@ -1252,8 +1247,8 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1252 * does the error correction on the fly */ 1247 * does the error correction on the fly */
1253 ecc_status = this->correct_data(mtd, &data_poi[datidx], &oob_data[i], &ecc_code[i]); 1248 ecc_status = this->correct_data(mtd, &data_poi[datidx], &oob_data[i], &ecc_code[i]);
1254 if ((ecc_status == -1) || (ecc_status > (flags && 0xff))) { 1249 if ((ecc_status == -1) || (ecc_status > (flags && 0xff))) {
1255 DEBUG (MTD_DEBUG_LEVEL0, "nand_read_ecc: " 1250 DEBUG(MTD_DEBUG_LEVEL0, "nand_read_ecc: "
1256 "Failed ECC read, page 0x%08x on chip %d\n", page, chipnr); 1251 "Failed ECC read, page 0x%08x on chip %d\n", page, chipnr);
1257 ecc_failed++; 1252 ecc_failed++;
1258 } 1253 }
1259 } else { 1254 } else {
@@ -1274,7 +1269,7 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1274 for (j = 0; j < oobsel->eccbytes; j++) 1269 for (j = 0; j < oobsel->eccbytes; j++)
1275 ecc_code[j] = oob_data[oob_config[j]]; 1270 ecc_code[j] = oob_data[oob_config[j]];
1276 1271
1277 /* correct data, if neccecary */ 1272 /* correct data, if necessary */
1278 for (i = 0, j = 0, datidx = 0; i < this->eccsteps; i++, datidx += ecc) { 1273 for (i = 0, j = 0, datidx = 0; i < this->eccsteps; i++, datidx += ecc) {
1279 ecc_status = this->correct_data(mtd, &data_poi[datidx], &ecc_code[j], &ecc_calc[j]); 1274 ecc_status = this->correct_data(mtd, &data_poi[datidx], &ecc_code[j], &ecc_calc[j]);
1280 1275
@@ -1291,16 +1286,16 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1291 } 1286 }
1292 1287
1293 if ((ecc_status == -1) || (ecc_status > (flags && 0xff))) { 1288 if ((ecc_status == -1) || (ecc_status > (flags && 0xff))) {
1294 DEBUG (MTD_DEBUG_LEVEL0, "nand_read_ecc: " "Failed ECC read, page 0x%08x\n", page); 1289 DEBUG(MTD_DEBUG_LEVEL0, "nand_read_ecc: " "Failed ECC read, page 0x%08x\n", page);
1295 ecc_failed++; 1290 ecc_failed++;
1296 } 1291 }
1297 } 1292 }
1298 1293
1299 readoob: 1294 readoob:
1300 /* check, if we have a fs supplied oob-buffer */ 1295 /* check, if we have a fs supplied oob-buffer */
1301 if (oob_buf) { 1296 if (oob_buf) {
1302 /* without autoplace. Legacy mode used by YAFFS1 */ 1297 /* without autoplace. Legacy mode used by YAFFS1 */
1303 switch(oobsel->useecc) { 1298 switch (oobsel->useecc) {
1304 case MTD_NANDECC_AUTOPLACE: 1299 case MTD_NANDECC_AUTOPLACE:
1305 case MTD_NANDECC_AUTOPL_USR: 1300 case MTD_NANDECC_AUTOPL_USR:
1306 /* Walk through the autoplace chunks */ 1301 /* Walk through the autoplace chunks */
@@ -1313,7 +1308,7 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1313 break; 1308 break;
1314 case MTD_NANDECC_PLACE: 1309 case MTD_NANDECC_PLACE:
1315 /* YAFFS1 legacy mode */ 1310 /* YAFFS1 legacy mode */
1316 oob_data += this->eccsteps * sizeof (int); 1311 oob_data += this->eccsteps * sizeof(int);
1317 default: 1312 default:
1318 oob_data += mtd->oobsize; 1313 oob_data += mtd->oobsize;
1319 } 1314 }
@@ -1331,9 +1326,9 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1331 * Do this before the AUTOINCR check, so no problems 1326 * Do this before the AUTOINCR check, so no problems
1332 * arise if a chip which does auto increment 1327 * arise if a chip which does auto increment
1333 * is marked as NOAUTOINCR by the board driver. 1328 * is marked as NOAUTOINCR by the board driver.
1334 */ 1329 */
1335 if (!this->dev_ready) 1330 if (!this->dev_ready)
1336 udelay (this->chip_delay); 1331 udelay(this->chip_delay);
1337 else 1332 else
1338 nand_wait_ready(mtd); 1333 nand_wait_ready(mtd);
1339 1334
@@ -1354,7 +1349,7 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1354 } 1349 }
1355 /* Check, if the chip supports auto page increment 1350 /* Check, if the chip supports auto page increment
1356 * or if we have hit a block boundary. 1351 * or if we have hit a block boundary.
1357 */ 1352 */
1358 if (!NAND_CANAUTOINCR(this) || !(page & blockcheck)) 1353 if (!NAND_CANAUTOINCR(this) || !(page & blockcheck))
1359 sndcmd = 1; 1354 sndcmd = 1;
1360 } 1355 }
@@ -1382,13 +1377,13 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
1382 * 1377 *
1383 * NAND read out-of-band data from the spare area 1378 * NAND read out-of-band data from the spare area
1384 */ 1379 */
1385static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t * retlen, u_char * buf) 1380static int nand_read_oob(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
1386{ 1381{
1387 int i, col, page, chipnr; 1382 int i, col, page, chipnr;
1388 struct nand_chip *this = mtd->priv; 1383 struct nand_chip *this = mtd->priv;
1389 int blockcheck = (1 << (this->phys_erase_shift - this->page_shift)) - 1; 1384 int blockcheck = (1 << (this->phys_erase_shift - this->page_shift)) - 1;
1390 1385
1391 DEBUG (MTD_DEBUG_LEVEL3, "nand_read_oob: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len); 1386 DEBUG(MTD_DEBUG_LEVEL3, "nand_read_oob: from = 0x%08x, len = %i\n", (unsigned int)from, (int)len);
1392 1387
1393 /* Shift to get page */ 1388 /* Shift to get page */
1394 page = (int)(from >> this->page_shift); 1389 page = (int)(from >> this->page_shift);
@@ -1402,19 +1397,19 @@ static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t
1402 1397
1403 /* Do not allow reads past end of device */ 1398 /* Do not allow reads past end of device */
1404 if ((from + len) > mtd->size) { 1399 if ((from + len) > mtd->size) {
1405 DEBUG (MTD_DEBUG_LEVEL0, "nand_read_oob: Attempt read beyond end of device\n"); 1400 DEBUG(MTD_DEBUG_LEVEL0, "nand_read_oob: Attempt read beyond end of device\n");
1406 *retlen = 0; 1401 *retlen = 0;
1407 return -EINVAL; 1402 return -EINVAL;
1408 } 1403 }
1409 1404
1410 /* Grab the lock and see if the device is available */ 1405 /* Grab the lock and see if the device is available */
1411 nand_get_device (this, mtd , FL_READING); 1406 nand_get_device(this, mtd, FL_READING);
1412 1407
1413 /* Select the NAND device */ 1408 /* Select the NAND device */
1414 this->select_chip(mtd, chipnr); 1409 this->select_chip(mtd, chipnr);
1415 1410
1416 /* Send the read command */ 1411 /* Send the read command */
1417 this->cmdfunc (mtd, NAND_CMD_READOOB, col, page & this->pagemask); 1412 this->cmdfunc(mtd, NAND_CMD_READOOB, col, page & this->pagemask);
1418 /* 1413 /*
1419 * Read the data, if we read more than one page 1414 * Read the data, if we read more than one page
1420 * oob data, let the device transfer the data ! 1415 * oob data, let the device transfer the data !
@@ -1444,16 +1439,16 @@ static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t
1444 * is marked as NOAUTOINCR by the board driver. 1439 * is marked as NOAUTOINCR by the board driver.
1445 */ 1440 */
1446 if (!this->dev_ready) 1441 if (!this->dev_ready)
1447 udelay (this->chip_delay); 1442 udelay(this->chip_delay);
1448 else 1443 else
1449 nand_wait_ready(mtd); 1444 nand_wait_ready(mtd);
1450 1445
1451 /* Check, if the chip supports auto page increment 1446 /* Check, if the chip supports auto page increment
1452 * or if we have hit a block boundary. 1447 * or if we have hit a block boundary.
1453 */ 1448 */
1454 if (!NAND_CANAUTOINCR(this) || !(page & blockcheck)) { 1449 if (!NAND_CANAUTOINCR(this) || !(page & blockcheck)) {
1455 /* For subsequent page reads set offset to 0 */ 1450 /* For subsequent page reads set offset to 0 */
1456 this->cmdfunc (mtd, NAND_CMD_READOOB, 0x0, page & this->pagemask); 1451 this->cmdfunc(mtd, NAND_CMD_READOOB, 0x0, page & this->pagemask);
1457 } 1452 }
1458 } 1453 }
1459 } 1454 }
@@ -1476,43 +1471,43 @@ static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t
1476 * 1471 *
1477 * Read raw data including oob into buffer 1472 * Read raw data including oob into buffer
1478 */ 1473 */
1479int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len, size_t ooblen) 1474int nand_read_raw(struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len, size_t ooblen)
1480{ 1475{
1481 struct nand_chip *this = mtd->priv; 1476 struct nand_chip *this = mtd->priv;
1482 int page = (int) (from >> this->page_shift); 1477 int page = (int)(from >> this->page_shift);
1483 int chip = (int) (from >> this->chip_shift); 1478 int chip = (int)(from >> this->chip_shift);
1484 int sndcmd = 1; 1479 int sndcmd = 1;
1485 int cnt = 0; 1480 int cnt = 0;
1486 int pagesize = mtd->oobblock + mtd->oobsize; 1481 int pagesize = mtd->oobblock + mtd->oobsize;
1487 int blockcheck = (1 << (this->phys_erase_shift - this->page_shift)) - 1; 1482 int blockcheck = (1 << (this->phys_erase_shift - this->page_shift)) - 1;
1488 1483
1489 /* Do not allow reads past end of device */ 1484 /* Do not allow reads past end of device */
1490 if ((from + len) > mtd->size) { 1485 if ((from + len) > mtd->size) {
1491 DEBUG (MTD_DEBUG_LEVEL0, "nand_read_raw: Attempt read beyond end of device\n"); 1486 DEBUG(MTD_DEBUG_LEVEL0, "nand_read_raw: Attempt read beyond end of device\n");
1492 return -EINVAL; 1487 return -EINVAL;
1493 } 1488 }
1494 1489
1495 /* Grab the lock and see if the device is available */ 1490 /* Grab the lock and see if the device is available */
1496 nand_get_device (this, mtd , FL_READING); 1491 nand_get_device(this, mtd, FL_READING);
1497 1492
1498 this->select_chip (mtd, chip); 1493 this->select_chip(mtd, chip);
1499 1494
1500 /* Add requested oob length */ 1495 /* Add requested oob length */
1501 len += ooblen; 1496 len += ooblen;
1502 1497
1503 while (len) { 1498 while (len) {
1504 if (sndcmd) 1499 if (sndcmd)
1505 this->cmdfunc (mtd, NAND_CMD_READ0, 0, page & this->pagemask); 1500 this->cmdfunc(mtd, NAND_CMD_READ0, 0, page & this->pagemask);
1506 sndcmd = 0; 1501 sndcmd = 0;
1507 1502
1508 this->read_buf (mtd, &buf[cnt], pagesize); 1503 this->read_buf(mtd, &buf[cnt], pagesize);
1509 1504
1510 len -= pagesize; 1505 len -= pagesize;
1511 cnt += pagesize; 1506 cnt += pagesize;
1512 page++; 1507 page++;
1513 1508
1514 if (!this->dev_ready) 1509 if (!this->dev_ready)
1515 udelay (this->chip_delay); 1510 udelay(this->chip_delay);
1516 else 1511 else
1517 nand_wait_ready(mtd); 1512 nand_wait_ready(mtd);
1518 1513
@@ -1526,7 +1521,6 @@ int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len,
1526 return 0; 1521 return 0;
1527} 1522}
1528 1523
1529
1530/** 1524/**
1531 * nand_prepare_oobbuf - [GENERIC] Prepare the out of band buffer 1525 * nand_prepare_oobbuf - [GENERIC] Prepare the out of band buffer
1532 * @mtd: MTD device structure 1526 * @mtd: MTD device structure
@@ -1550,8 +1544,8 @@ int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len,
1550 * forces the 0xff fill before using the buffer again. 1544 * forces the 0xff fill before using the buffer again.
1551 * 1545 *
1552*/ 1546*/
1553static u_char * nand_prepare_oobbuf (struct mtd_info *mtd, u_char *fsbuf, struct nand_oobinfo *oobsel, 1547static u_char *nand_prepare_oobbuf(struct mtd_info *mtd, u_char *fsbuf, struct nand_oobinfo *oobsel,
1554 int autoplace, int numpages) 1548 int autoplace, int numpages)
1555{ 1549{
1556 struct nand_chip *this = mtd->priv; 1550 struct nand_chip *this = mtd->priv;
1557 int i, len, ofs; 1551 int i, len, ofs;
@@ -1562,8 +1556,7 @@ static u_char * nand_prepare_oobbuf (struct mtd_info *mtd, u_char *fsbuf, struct
1562 1556
1563 /* Check, if the buffer must be filled with ff again */ 1557 /* Check, if the buffer must be filled with ff again */
1564 if (this->oobdirty) { 1558 if (this->oobdirty) {
1565 memset (this->oob_buf, 0xff, 1559 memset(this->oob_buf, 0xff, mtd->oobsize << (this->phys_erase_shift - this->page_shift));
1566 mtd->oobsize << (this->phys_erase_shift - this->page_shift));
1567 this->oobdirty = 0; 1560 this->oobdirty = 0;
1568 } 1561 }
1569 1562
@@ -1578,7 +1571,7 @@ static u_char * nand_prepare_oobbuf (struct mtd_info *mtd, u_char *fsbuf, struct
1578 for (i = 0, len = 0; len < mtd->oobavail; i++) { 1571 for (i = 0, len = 0; len < mtd->oobavail; i++) {
1579 int to = ofs + oobsel->oobfree[i][0]; 1572 int to = ofs + oobsel->oobfree[i][0];
1580 int num = oobsel->oobfree[i][1]; 1573 int num = oobsel->oobfree[i][1];
1581 memcpy (&this->oob_buf[to], fsbuf, num); 1574 memcpy(&this->oob_buf[to], fsbuf, num);
1582 len += num; 1575 len += num;
1583 fsbuf += num; 1576 fsbuf += num;
1584 } 1577 }
@@ -1600,9 +1593,9 @@ static u_char * nand_prepare_oobbuf (struct mtd_info *mtd, u_char *fsbuf, struct
1600 * This function simply calls nand_write_ecc with oob buffer and oobsel = NULL 1593 * This function simply calls nand_write_ecc with oob buffer and oobsel = NULL
1601 * 1594 *
1602*/ 1595*/
1603static int nand_write (struct mtd_info *mtd, loff_t to, size_t len, size_t * retlen, const u_char * buf) 1596static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
1604{ 1597{
1605 return (nand_write_ecc (mtd, to, len, retlen, buf, NULL, NULL)); 1598 return (nand_write_ecc(mtd, to, len, retlen, buf, NULL, NULL));
1606} 1599}
1607 1600
1608/** 1601/**
@@ -1617,34 +1610,35 @@ static int nand_write (struct mtd_info *mtd, loff_t to, size_t len, size_t * ret
1617 * 1610 *
1618 * NAND write with ECC 1611 * NAND write with ECC
1619 */ 1612 */
1620static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len, 1613static int nand_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
1621 size_t * retlen, const u_char * buf, u_char * eccbuf, struct nand_oobinfo *oobsel) 1614 size_t *retlen, const u_char *buf, u_char *eccbuf,
1615 struct nand_oobinfo *oobsel)
1622{ 1616{
1623 int startpage, page, ret = -EIO, oob = 0, written = 0, chipnr; 1617 int startpage, page, ret = -EIO, oob = 0, written = 0, chipnr;
1624 int autoplace = 0, numpages, totalpages; 1618 int autoplace = 0, numpages, totalpages;
1625 struct nand_chip *this = mtd->priv; 1619 struct nand_chip *this = mtd->priv;
1626 u_char *oobbuf, *bufstart; 1620 u_char *oobbuf, *bufstart;
1627 int ppblock = (1 << (this->phys_erase_shift - this->page_shift)); 1621 int ppblock = (1 << (this->phys_erase_shift - this->page_shift));
1628 1622
1629 DEBUG (MTD_DEBUG_LEVEL3, "nand_write_ecc: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len); 1623 DEBUG(MTD_DEBUG_LEVEL3, "nand_write_ecc: to = 0x%08x, len = %i\n", (unsigned int)to, (int)len);
1630 1624
1631 /* Initialize retlen, in case of early exit */ 1625 /* Initialize retlen, in case of early exit */
1632 *retlen = 0; 1626 *retlen = 0;
1633 1627
1634 /* Do not allow write past end of device */ 1628 /* Do not allow write past end of device */
1635 if ((to + len) > mtd->size) { 1629 if ((to + len) > mtd->size) {
1636 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_ecc: Attempt to write past end of page\n"); 1630 DEBUG(MTD_DEBUG_LEVEL0, "nand_write_ecc: Attempt to write past end of page\n");
1637 return -EINVAL; 1631 return -EINVAL;
1638 } 1632 }
1639 1633
1640 /* reject writes, which are not page aligned */ 1634 /* reject writes, which are not page aligned */
1641 if (NOTALIGNED (to) || NOTALIGNED(len)) { 1635 if (NOTALIGNED(to) || NOTALIGNED(len)) {
1642 printk (KERN_NOTICE "nand_write_ecc: Attempt to write not page aligned data\n"); 1636 printk(KERN_NOTICE "nand_write_ecc: Attempt to write not page aligned data\n");
1643 return -EINVAL; 1637 return -EINVAL;
1644 } 1638 }
1645 1639
1646 /* Grab the lock and see if the device is available */ 1640 /* Grab the lock and see if the device is available */
1647 nand_get_device (this, mtd, FL_WRITING); 1641 nand_get_device(this, mtd, FL_WRITING);
1648 1642
1649 /* Calculate chipnr */ 1643 /* Calculate chipnr */
1650 chipnr = (int)(to >> this->chip_shift); 1644 chipnr = (int)(to >> this->chip_shift);
@@ -1669,7 +1663,7 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
1669 1663
1670 /* Setup variables and oob buffer */ 1664 /* Setup variables and oob buffer */
1671 totalpages = len >> this->page_shift; 1665 totalpages = len >> this->page_shift;
1672 page = (int) (to >> this->page_shift); 1666 page = (int)(to >> this->page_shift);
1673 /* Invalidate the page cache, if we write to the cached page */ 1667 /* Invalidate the page cache, if we write to the cached page */
1674 if (page <= this->pagebuf && this->pagebuf < (page + totalpages)) 1668 if (page <= this->pagebuf && this->pagebuf < (page + totalpages))
1675 this->pagebuf = -1; 1669 this->pagebuf = -1;
@@ -1678,22 +1672,22 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
1678 page &= this->pagemask; 1672 page &= this->pagemask;
1679 startpage = page; 1673 startpage = page;
1680 /* Calc number of pages we can write in one go */ 1674 /* Calc number of pages we can write in one go */
1681 numpages = min (ppblock - (startpage & (ppblock - 1)), totalpages); 1675 numpages = min(ppblock - (startpage & (ppblock - 1)), totalpages);
1682 oobbuf = nand_prepare_oobbuf (mtd, eccbuf, oobsel, autoplace, numpages); 1676 oobbuf = nand_prepare_oobbuf(mtd, eccbuf, oobsel, autoplace, numpages);
1683 bufstart = (u_char *)buf; 1677 bufstart = (u_char *) buf;
1684 1678
1685 /* Loop until all data is written */ 1679 /* Loop until all data is written */
1686 while (written < len) { 1680 while (written < len) {
1687 1681
1688 this->data_poi = (u_char*) &buf[written]; 1682 this->data_poi = (u_char *) &buf[written];
1689 /* Write one page. If this is the last page to write 1683 /* Write one page. If this is the last page to write
1690 * or the last page in this block, then use the 1684 * or the last page in this block, then use the
1691 * real pageprogram command, else select cached programming 1685 * real pageprogram command, else select cached programming
1692 * if supported by the chip. 1686 * if supported by the chip.
1693 */ 1687 */
1694 ret = nand_write_page (mtd, this, page, &oobbuf[oob], oobsel, (--numpages > 0)); 1688 ret = nand_write_page(mtd, this, page, &oobbuf[oob], oobsel, (--numpages > 0));
1695 if (ret) { 1689 if (ret) {
1696 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_ecc: write_page failed %d\n", ret); 1690 DEBUG(MTD_DEBUG_LEVEL0, "nand_write_ecc: write_page failed %d\n", ret);
1697 goto out; 1691 goto out;
1698 } 1692 }
1699 /* Next oob page */ 1693 /* Next oob page */
@@ -1709,15 +1703,14 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
1709 /* Have we hit a block boundary ? Then we have to verify and 1703 /* Have we hit a block boundary ? Then we have to verify and
1710 * if verify is ok, we have to setup the oob buffer for 1704 * if verify is ok, we have to setup the oob buffer for
1711 * the next pages. 1705 * the next pages.
1712 */ 1706 */
1713 if (!(page & (ppblock - 1))){ 1707 if (!(page & (ppblock - 1))) {
1714 int ofs; 1708 int ofs;
1715 this->data_poi = bufstart; 1709 this->data_poi = bufstart;
1716 ret = nand_verify_pages (mtd, this, startpage, 1710 ret = nand_verify_pages(mtd, this, startpage, page - startpage,
1717 page - startpage, 1711 oobbuf, oobsel, chipnr, (eccbuf != NULL));
1718 oobbuf, oobsel, chipnr, (eccbuf != NULL));
1719 if (ret) { 1712 if (ret) {
1720 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_ecc: verify_pages failed %d\n", ret); 1713 DEBUG(MTD_DEBUG_LEVEL0, "nand_write_ecc: verify_pages failed %d\n", ret);
1721 goto out; 1714 goto out;
1722 } 1715 }
1723 *retlen = written; 1716 *retlen = written;
@@ -1726,11 +1719,10 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
1726 if (eccbuf) 1719 if (eccbuf)
1727 eccbuf += (page - startpage) * ofs; 1720 eccbuf += (page - startpage) * ofs;
1728 totalpages -= page - startpage; 1721 totalpages -= page - startpage;
1729 numpages = min (totalpages, ppblock); 1722 numpages = min(totalpages, ppblock);
1730 page &= this->pagemask; 1723 page &= this->pagemask;
1731 startpage = page; 1724 startpage = page;
1732 oobbuf = nand_prepare_oobbuf (mtd, eccbuf, oobsel, 1725 oobbuf = nand_prepare_oobbuf(mtd, eccbuf, oobsel, autoplace, numpages);
1733 autoplace, numpages);
1734 oob = 0; 1726 oob = 0;
1735 /* Check, if we cross a chip boundary */ 1727 /* Check, if we cross a chip boundary */
1736 if (!page) { 1728 if (!page) {
@@ -1741,23 +1733,21 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
1741 } 1733 }
1742 } 1734 }
1743 /* Verify the remaining pages */ 1735 /* Verify the remaining pages */
1744cmp: 1736 cmp:
1745 this->data_poi = bufstart; 1737 this->data_poi = bufstart;
1746 ret = nand_verify_pages (mtd, this, startpage, totalpages, 1738 ret = nand_verify_pages(mtd, this, startpage, totalpages, oobbuf, oobsel, chipnr, (eccbuf != NULL));
1747 oobbuf, oobsel, chipnr, (eccbuf != NULL));
1748 if (!ret) 1739 if (!ret)
1749 *retlen = written; 1740 *retlen = written;
1750 else 1741 else
1751 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_ecc: verify_pages failed %d\n", ret); 1742 DEBUG(MTD_DEBUG_LEVEL0, "nand_write_ecc: verify_pages failed %d\n", ret);
1752 1743
1753out: 1744 out:
1754 /* Deselect and wake up anyone waiting on the device */ 1745 /* Deselect and wake up anyone waiting on the device */
1755 nand_release_device(mtd); 1746 nand_release_device(mtd);
1756 1747
1757 return ret; 1748 return ret;
1758} 1749}
1759 1750
1760
1761/** 1751/**
1762 * nand_write_oob - [MTD Interface] NAND write out-of-band 1752 * nand_write_oob - [MTD Interface] NAND write out-of-band
1763 * @mtd: MTD device structure 1753 * @mtd: MTD device structure
@@ -1768,16 +1758,16 @@ out:
1768 * 1758 *
1769 * NAND write out-of-band 1759 * NAND write out-of-band
1770 */ 1760 */
1771static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t * retlen, const u_char * buf) 1761static int nand_write_oob(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
1772{ 1762{
1773 int column, page, status, ret = -EIO, chipnr; 1763 int column, page, status, ret = -EIO, chipnr;
1774 struct nand_chip *this = mtd->priv; 1764 struct nand_chip *this = mtd->priv;
1775 1765
1776 DEBUG (MTD_DEBUG_LEVEL3, "nand_write_oob: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len); 1766 DEBUG(MTD_DEBUG_LEVEL3, "nand_write_oob: to = 0x%08x, len = %i\n", (unsigned int)to, (int)len);
1777 1767
1778 /* Shift to get page */ 1768 /* Shift to get page */
1779 page = (int) (to >> this->page_shift); 1769 page = (int)(to >> this->page_shift);
1780 chipnr = (int) (to >> this->chip_shift); 1770 chipnr = (int)(to >> this->chip_shift);
1781 1771
1782 /* Mask to get column */ 1772 /* Mask to get column */
1783 column = to & (mtd->oobsize - 1); 1773 column = to & (mtd->oobsize - 1);
@@ -1787,12 +1777,12 @@ static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t *
1787 1777
1788 /* Do not allow write past end of page */ 1778 /* Do not allow write past end of page */
1789 if ((column + len) > mtd->oobsize) { 1779 if ((column + len) > mtd->oobsize) {
1790 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_oob: Attempt to write past end of page\n"); 1780 DEBUG(MTD_DEBUG_LEVEL0, "nand_write_oob: Attempt to write past end of page\n");
1791 return -EINVAL; 1781 return -EINVAL;
1792 } 1782 }
1793 1783
1794 /* Grab the lock and see if the device is available */ 1784 /* Grab the lock and see if the device is available */
1795 nand_get_device (this, mtd, FL_WRITING); 1785 nand_get_device(this, mtd, FL_WRITING);
1796 1786
1797 /* Select the NAND device */ 1787 /* Select the NAND device */
1798 this->select_chip(mtd, chipnr); 1788 this->select_chip(mtd, chipnr);
@@ -1814,27 +1804,27 @@ static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t *
1814 1804
1815 if (NAND_MUST_PAD(this)) { 1805 if (NAND_MUST_PAD(this)) {
1816 /* Write out desired data */ 1806 /* Write out desired data */
1817 this->cmdfunc (mtd, NAND_CMD_SEQIN, mtd->oobblock, page & this->pagemask); 1807 this->cmdfunc(mtd, NAND_CMD_SEQIN, mtd->oobblock, page & this->pagemask);
1818 /* prepad 0xff for partial programming */ 1808 /* prepad 0xff for partial programming */
1819 this->write_buf(mtd, ffchars, column); 1809 this->write_buf(mtd, ffchars, column);
1820 /* write data */ 1810 /* write data */
1821 this->write_buf(mtd, buf, len); 1811 this->write_buf(mtd, buf, len);
1822 /* postpad 0xff for partial programming */ 1812 /* postpad 0xff for partial programming */
1823 this->write_buf(mtd, ffchars, mtd->oobsize - (len+column)); 1813 this->write_buf(mtd, ffchars, mtd->oobsize - (len + column));
1824 } else { 1814 } else {
1825 /* Write out desired data */ 1815 /* Write out desired data */
1826 this->cmdfunc (mtd, NAND_CMD_SEQIN, mtd->oobblock + column, page & this->pagemask); 1816 this->cmdfunc(mtd, NAND_CMD_SEQIN, mtd->oobblock + column, page & this->pagemask);
1827 /* write data */ 1817 /* write data */
1828 this->write_buf(mtd, buf, len); 1818 this->write_buf(mtd, buf, len);
1829 } 1819 }
1830 /* Send command to program the OOB data */ 1820 /* Send command to program the OOB data */
1831 this->cmdfunc (mtd, NAND_CMD_PAGEPROG, -1, -1); 1821 this->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
1832 1822
1833 status = this->waitfunc (mtd, this, FL_WRITING); 1823 status = this->waitfunc(mtd, this, FL_WRITING);
1834 1824
1835 /* See if device thinks it succeeded */ 1825 /* See if device thinks it succeeded */
1836 if (status & NAND_STATUS_FAIL) { 1826 if (status & NAND_STATUS_FAIL) {
1837 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_oob: " "Failed write, page 0x%08x\n", page); 1827 DEBUG(MTD_DEBUG_LEVEL0, "nand_write_oob: " "Failed write, page 0x%08x\n", page);
1838 ret = -EIO; 1828 ret = -EIO;
1839 goto out; 1829 goto out;
1840 } 1830 }
@@ -1843,23 +1833,22 @@ static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t *
1843 1833
1844#ifdef CONFIG_MTD_NAND_VERIFY_WRITE 1834#ifdef CONFIG_MTD_NAND_VERIFY_WRITE
1845 /* Send command to read back the data */ 1835 /* Send command to read back the data */
1846 this->cmdfunc (mtd, NAND_CMD_READOOB, column, page & this->pagemask); 1836 this->cmdfunc(mtd, NAND_CMD_READOOB, column, page & this->pagemask);
1847 1837
1848 if (this->verify_buf(mtd, buf, len)) { 1838 if (this->verify_buf(mtd, buf, len)) {
1849 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_oob: " "Failed write verify, page 0x%08x\n", page); 1839 DEBUG(MTD_DEBUG_LEVEL0, "nand_write_oob: " "Failed write verify, page 0x%08x\n", page);
1850 ret = -EIO; 1840 ret = -EIO;
1851 goto out; 1841 goto out;
1852 } 1842 }
1853#endif 1843#endif
1854 ret = 0; 1844 ret = 0;
1855out: 1845 out:
1856 /* Deselect and wake up anyone waiting on the device */ 1846 /* Deselect and wake up anyone waiting on the device */
1857 nand_release_device(mtd); 1847 nand_release_device(mtd);
1858 1848
1859 return ret; 1849 return ret;
1860} 1850}
1861 1851
1862
1863/** 1852/**
1864 * nand_writev - [MTD Interface] compabilty function for nand_writev_ecc 1853 * nand_writev - [MTD Interface] compabilty function for nand_writev_ecc
1865 * @mtd: MTD device structure 1854 * @mtd: MTD device structure
@@ -1870,10 +1859,10 @@ out:
1870 * 1859 *
1871 * NAND write with kvec. This just calls the ecc function 1860 * NAND write with kvec. This just calls the ecc function
1872 */ 1861 */
1873static int nand_writev (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, 1862static int nand_writev(struct mtd_info *mtd, const struct kvec *vecs, unsigned long count,
1874 loff_t to, size_t * retlen) 1863 loff_t to, size_t *retlen)
1875{ 1864{
1876 return (nand_writev_ecc (mtd, vecs, count, to, retlen, NULL, NULL)); 1865 return (nand_writev_ecc(mtd, vecs, count, to, retlen, NULL, NULL));
1877} 1866}
1878 1867
1879/** 1868/**
@@ -1888,13 +1877,13 @@ static int nand_writev (struct mtd_info *mtd, const struct kvec *vecs, unsigned
1888 * 1877 *
1889 * NAND write with iovec with ecc 1878 * NAND write with iovec with ecc
1890 */ 1879 */
1891static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, 1880static int nand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, unsigned long count,
1892 loff_t to, size_t * retlen, u_char *eccbuf, struct nand_oobinfo *oobsel) 1881 loff_t to, size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel)
1893{ 1882{
1894 int i, page, len, total_len, ret = -EIO, written = 0, chipnr; 1883 int i, page, len, total_len, ret = -EIO, written = 0, chipnr;
1895 int oob, numpages, autoplace = 0, startpage; 1884 int oob, numpages, autoplace = 0, startpage;
1896 struct nand_chip *this = mtd->priv; 1885 struct nand_chip *this = mtd->priv;
1897 int ppblock = (1 << (this->phys_erase_shift - this->page_shift)); 1886 int ppblock = (1 << (this->phys_erase_shift - this->page_shift));
1898 u_char *oobbuf, *bufstart; 1887 u_char *oobbuf, *bufstart;
1899 1888
1900 /* Preset written len for early exit */ 1889 /* Preset written len for early exit */
@@ -1903,28 +1892,27 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
1903 /* Calculate total length of data */ 1892 /* Calculate total length of data */
1904 total_len = 0; 1893 total_len = 0;
1905 for (i = 0; i < count; i++) 1894 for (i = 0; i < count; i++)
1906 total_len += (int) vecs[i].iov_len; 1895 total_len += (int)vecs[i].iov_len;
1907 1896
1908 DEBUG (MTD_DEBUG_LEVEL3, 1897 DEBUG(MTD_DEBUG_LEVEL3, "nand_writev: to = 0x%08x, len = %i, count = %ld\n", (unsigned int)to, (unsigned int)total_len, count);
1909 "nand_writev: to = 0x%08x, len = %i, count = %ld\n", (unsigned int) to, (unsigned int) total_len, count);
1910 1898
1911 /* Do not allow write past end of page */ 1899 /* Do not allow write past end of page */
1912 if ((to + total_len) > mtd->size) { 1900 if ((to + total_len) > mtd->size) {
1913 DEBUG (MTD_DEBUG_LEVEL0, "nand_writev: Attempted write past end of device\n"); 1901 DEBUG(MTD_DEBUG_LEVEL0, "nand_writev: Attempted write past end of device\n");
1914 return -EINVAL; 1902 return -EINVAL;
1915 } 1903 }
1916 1904
1917 /* reject writes, which are not page aligned */ 1905 /* reject writes, which are not page aligned */
1918 if (NOTALIGNED (to) || NOTALIGNED(total_len)) { 1906 if (NOTALIGNED(to) || NOTALIGNED(total_len)) {
1919 printk (KERN_NOTICE "nand_write_ecc: Attempt to write not page aligned data\n"); 1907 printk(KERN_NOTICE "nand_write_ecc: Attempt to write not page aligned data\n");
1920 return -EINVAL; 1908 return -EINVAL;
1921 } 1909 }
1922 1910
1923 /* Grab the lock and see if the device is available */ 1911 /* Grab the lock and see if the device is available */
1924 nand_get_device (this, mtd, FL_WRITING); 1912 nand_get_device(this, mtd, FL_WRITING);
1925 1913
1926 /* Get the current chip-nr */ 1914 /* Get the current chip-nr */
1927 chipnr = (int) (to >> this->chip_shift); 1915 chipnr = (int)(to >> this->chip_shift);
1928 /* Select the NAND device */ 1916 /* Select the NAND device */
1929 this->select_chip(mtd, chipnr); 1917 this->select_chip(mtd, chipnr);
1930 1918
@@ -1945,7 +1933,7 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
1945 autoplace = 1; 1933 autoplace = 1;
1946 1934
1947 /* Setup start page */ 1935 /* Setup start page */
1948 page = (int) (to >> this->page_shift); 1936 page = (int)(to >> this->page_shift);
1949 /* Invalidate the page cache, if we write to the cached page */ 1937 /* Invalidate the page cache, if we write to the cached page */
1950 if (page <= this->pagebuf && this->pagebuf < ((to + total_len) >> this->page_shift)) 1938 if (page <= this->pagebuf && this->pagebuf < ((to + total_len) >> this->page_shift))
1951 this->pagebuf = -1; 1939 this->pagebuf = -1;
@@ -1963,9 +1951,9 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
1963 * out of this iov in one go */ 1951 * out of this iov in one go */
1964 numpages = (vecs->iov_len - len) >> this->page_shift; 1952 numpages = (vecs->iov_len - len) >> this->page_shift;
1965 /* Do not cross block boundaries */ 1953 /* Do not cross block boundaries */
1966 numpages = min (ppblock - (startpage & (ppblock - 1)), numpages); 1954 numpages = min(ppblock - (startpage & (ppblock - 1)), numpages);
1967 oobbuf = nand_prepare_oobbuf (mtd, NULL, oobsel, autoplace, numpages); 1955 oobbuf = nand_prepare_oobbuf(mtd, NULL, oobsel, autoplace, numpages);
1968 bufstart = (u_char *)vecs->iov_base; 1956 bufstart = (u_char *) vecs->iov_base;
1969 bufstart += len; 1957 bufstart += len;
1970 this->data_poi = bufstart; 1958 this->data_poi = bufstart;
1971 oob = 0; 1959 oob = 0;
@@ -1974,8 +1962,8 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
1974 * then use the real pageprogram command, else select 1962 * then use the real pageprogram command, else select
1975 * cached programming if supported by the chip. 1963 * cached programming if supported by the chip.
1976 */ 1964 */
1977 ret = nand_write_page (mtd, this, page & this->pagemask, 1965 ret = nand_write_page(mtd, this, page & this->pagemask,
1978 &oobbuf[oob], oobsel, i != numpages); 1966 &oobbuf[oob], oobsel, i != numpages);
1979 if (ret) 1967 if (ret)
1980 goto out; 1968 goto out;
1981 this->data_poi += mtd->oobblock; 1969 this->data_poi += mtd->oobblock;
@@ -1984,7 +1972,7 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
1984 page++; 1972 page++;
1985 } 1973 }
1986 /* Check, if we have to switch to the next tuple */ 1974 /* Check, if we have to switch to the next tuple */
1987 if (len >= (int) vecs->iov_len) { 1975 if (len >= (int)vecs->iov_len) {
1988 vecs++; 1976 vecs++;
1989 len = 0; 1977 len = 0;
1990 count--; 1978 count--;
@@ -1998,7 +1986,7 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
1998 if (vecs->iov_base != NULL && vecs->iov_len) 1986 if (vecs->iov_base != NULL && vecs->iov_len)
1999 this->data_buf[cnt++] = ((u_char *) vecs->iov_base)[len++]; 1987 this->data_buf[cnt++] = ((u_char *) vecs->iov_base)[len++];
2000 /* Check, if we have to switch to the next tuple */ 1988 /* Check, if we have to switch to the next tuple */
2001 if (len >= (int) vecs->iov_len) { 1989 if (len >= (int)vecs->iov_len) {
2002 vecs++; 1990 vecs++;
2003 len = 0; 1991 len = 0;
2004 count--; 1992 count--;
@@ -2008,16 +1996,15 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
2008 this->data_poi = this->data_buf; 1996 this->data_poi = this->data_buf;
2009 bufstart = this->data_poi; 1997 bufstart = this->data_poi;
2010 numpages = 1; 1998 numpages = 1;
2011 oobbuf = nand_prepare_oobbuf (mtd, NULL, oobsel, autoplace, numpages); 1999 oobbuf = nand_prepare_oobbuf(mtd, NULL, oobsel, autoplace, numpages);
2012 ret = nand_write_page (mtd, this, page & this->pagemask, 2000 ret = nand_write_page(mtd, this, page & this->pagemask, oobbuf, oobsel, 0);
2013 oobbuf, oobsel, 0);
2014 if (ret) 2001 if (ret)
2015 goto out; 2002 goto out;
2016 page++; 2003 page++;
2017 } 2004 }
2018 2005
2019 this->data_poi = bufstart; 2006 this->data_poi = bufstart;
2020 ret = nand_verify_pages (mtd, this, startpage, numpages, oobbuf, oobsel, chipnr, 0); 2007 ret = nand_verify_pages(mtd, this, startpage, numpages, oobbuf, oobsel, chipnr, 0);
2021 if (ret) 2008 if (ret)
2022 goto out; 2009 goto out;
2023 2010
@@ -2035,7 +2022,7 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
2035 } 2022 }
2036 } 2023 }
2037 ret = 0; 2024 ret = 0;
2038out: 2025 out:
2039 /* Deselect and wake up anyone waiting on the device */ 2026 /* Deselect and wake up anyone waiting on the device */
2040 nand_release_device(mtd); 2027 nand_release_device(mtd);
2041 2028
@@ -2050,12 +2037,12 @@ out:
2050 * 2037 *
2051 * Standard erase command for NAND chips 2038 * Standard erase command for NAND chips
2052 */ 2039 */
2053static void single_erase_cmd (struct mtd_info *mtd, int page) 2040static void single_erase_cmd(struct mtd_info *mtd, int page)
2054{ 2041{
2055 struct nand_chip *this = mtd->priv; 2042 struct nand_chip *this = mtd->priv;
2056 /* Send commands to erase a block */ 2043 /* Send commands to erase a block */
2057 this->cmdfunc (mtd, NAND_CMD_ERASE1, -1, page); 2044 this->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page);
2058 this->cmdfunc (mtd, NAND_CMD_ERASE2, -1, -1); 2045 this->cmdfunc(mtd, NAND_CMD_ERASE2, -1, -1);
2059} 2046}
2060 2047
2061/** 2048/**
@@ -2066,15 +2053,15 @@ static void single_erase_cmd (struct mtd_info *mtd, int page)
2066 * AND multi block erase command function 2053 * AND multi block erase command function
2067 * Erase 4 consecutive blocks 2054 * Erase 4 consecutive blocks
2068 */ 2055 */
2069static void multi_erase_cmd (struct mtd_info *mtd, int page) 2056static void multi_erase_cmd(struct mtd_info *mtd, int page)
2070{ 2057{
2071 struct nand_chip *this = mtd->priv; 2058 struct nand_chip *this = mtd->priv;
2072 /* Send commands to erase a block */ 2059 /* Send commands to erase a block */
2073 this->cmdfunc (mtd, NAND_CMD_ERASE1, -1, page++); 2060 this->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page++);
2074 this->cmdfunc (mtd, NAND_CMD_ERASE1, -1, page++); 2061 this->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page++);
2075 this->cmdfunc (mtd, NAND_CMD_ERASE1, -1, page++); 2062 this->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page++);
2076 this->cmdfunc (mtd, NAND_CMD_ERASE1, -1, page); 2063 this->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page);
2077 this->cmdfunc (mtd, NAND_CMD_ERASE2, -1, -1); 2064 this->cmdfunc(mtd, NAND_CMD_ERASE2, -1, -1);
2078} 2065}
2079 2066
2080/** 2067/**
@@ -2084,9 +2071,9 @@ static void multi_erase_cmd (struct mtd_info *mtd, int page)
2084 * 2071 *
2085 * Erase one ore more blocks 2072 * Erase one ore more blocks
2086 */ 2073 */
2087static int nand_erase (struct mtd_info *mtd, struct erase_info *instr) 2074static int nand_erase(struct mtd_info *mtd, struct erase_info *instr)
2088{ 2075{
2089 return nand_erase_nand (mtd, instr, 0); 2076 return nand_erase_nand(mtd, instr, 0);
2090} 2077}
2091 2078
2092#define BBT_PAGE_MASK 0xffffff3f 2079#define BBT_PAGE_MASK 0xffffff3f
@@ -2098,7 +2085,7 @@ static int nand_erase (struct mtd_info *mtd, struct erase_info *instr)
2098 * 2085 *
2099 * Erase one ore more blocks 2086 * Erase one ore more blocks
2100 */ 2087 */
2101int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbbt) 2088int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, int allowbbt)
2102{ 2089{
2103 int page, len, status, pages_per_block, ret, chipnr; 2090 int page, len, status, pages_per_block, ret, chipnr;
2104 struct nand_chip *this = mtd->priv; 2091 struct nand_chip *this = mtd->priv;
@@ -2107,35 +2094,34 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
2107 /* It is used to see if the current page is in the same */ 2094 /* It is used to see if the current page is in the same */
2108 /* 256 block group and the same bank as the bbt. */ 2095 /* 256 block group and the same bank as the bbt. */
2109 2096
2110 DEBUG (MTD_DEBUG_LEVEL3, 2097 DEBUG(MTD_DEBUG_LEVEL3, "nand_erase: start = 0x%08x, len = %i\n", (unsigned int)instr->addr, (unsigned int)instr->len);
2111 "nand_erase: start = 0x%08x, len = %i\n", (unsigned int) instr->addr, (unsigned int) instr->len);
2112 2098
2113 /* Start address must align on block boundary */ 2099 /* Start address must align on block boundary */
2114 if (instr->addr & ((1 << this->phys_erase_shift) - 1)) { 2100 if (instr->addr & ((1 << this->phys_erase_shift) - 1)) {
2115 DEBUG (MTD_DEBUG_LEVEL0, "nand_erase: Unaligned address\n"); 2101 DEBUG(MTD_DEBUG_LEVEL0, "nand_erase: Unaligned address\n");
2116 return -EINVAL; 2102 return -EINVAL;
2117 } 2103 }
2118 2104
2119 /* Length must align on block boundary */ 2105 /* Length must align on block boundary */
2120 if (instr->len & ((1 << this->phys_erase_shift) - 1)) { 2106 if (instr->len & ((1 << this->phys_erase_shift) - 1)) {
2121 DEBUG (MTD_DEBUG_LEVEL0, "nand_erase: Length not block aligned\n"); 2107 DEBUG(MTD_DEBUG_LEVEL0, "nand_erase: Length not block aligned\n");
2122 return -EINVAL; 2108 return -EINVAL;
2123 } 2109 }
2124 2110
2125 /* Do not allow erase past end of device */ 2111 /* Do not allow erase past end of device */
2126 if ((instr->len + instr->addr) > mtd->size) { 2112 if ((instr->len + instr->addr) > mtd->size) {
2127 DEBUG (MTD_DEBUG_LEVEL0, "nand_erase: Erase past end of device\n"); 2113 DEBUG(MTD_DEBUG_LEVEL0, "nand_erase: Erase past end of device\n");
2128 return -EINVAL; 2114 return -EINVAL;
2129 } 2115 }
2130 2116
2131 instr->fail_addr = 0xffffffff; 2117 instr->fail_addr = 0xffffffff;
2132 2118
2133 /* Grab the lock and see if the device is available */ 2119 /* Grab the lock and see if the device is available */
2134 nand_get_device (this, mtd, FL_ERASING); 2120 nand_get_device(this, mtd, FL_ERASING);
2135 2121
2136 /* Shift to get first page */ 2122 /* Shift to get first page */
2137 page = (int) (instr->addr >> this->page_shift); 2123 page = (int)(instr->addr >> this->page_shift);
2138 chipnr = (int) (instr->addr >> this->chip_shift); 2124 chipnr = (int)(instr->addr >> this->chip_shift);
2139 2125
2140 /* Calculate pages in each block */ 2126 /* Calculate pages in each block */
2141 pages_per_block = 1 << (this->phys_erase_shift - this->page_shift); 2127 pages_per_block = 1 << (this->phys_erase_shift - this->page_shift);
@@ -2146,7 +2132,7 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
2146 /* Check the WP bit */ 2132 /* Check the WP bit */
2147 /* Check, if it is write protected */ 2133 /* Check, if it is write protected */
2148 if (nand_check_wp(mtd)) { 2134 if (nand_check_wp(mtd)) {
2149 DEBUG (MTD_DEBUG_LEVEL0, "nand_erase: Device is write protected!!!\n"); 2135 DEBUG(MTD_DEBUG_LEVEL0, "nand_erase: Device is write protected!!!\n");
2150 instr->state = MTD_ERASE_FAILED; 2136 instr->state = MTD_ERASE_FAILED;
2151 goto erase_exit; 2137 goto erase_exit;
2152 } 2138 }
@@ -2166,7 +2152,7 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
2166 while (len) { 2152 while (len) {
2167 /* Check if we have a bad block, we do not erase bad blocks ! */ 2153 /* Check if we have a bad block, we do not erase bad blocks ! */
2168 if (nand_block_checkbad(mtd, ((loff_t) page) << this->page_shift, 0, allowbbt)) { 2154 if (nand_block_checkbad(mtd, ((loff_t) page) << this->page_shift, 0, allowbbt)) {
2169 printk (KERN_WARNING "nand_erase: attempt to erase a bad block at page 0x%08x\n", page); 2155 printk(KERN_WARNING "nand_erase: attempt to erase a bad block at page 0x%08x\n", page);
2170 instr->state = MTD_ERASE_FAILED; 2156 instr->state = MTD_ERASE_FAILED;
2171 goto erase_exit; 2157 goto erase_exit;
2172 } 2158 }
@@ -2176,9 +2162,9 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
2176 if (page <= this->pagebuf && this->pagebuf < (page + pages_per_block)) 2162 if (page <= this->pagebuf && this->pagebuf < (page + pages_per_block))
2177 this->pagebuf = -1; 2163 this->pagebuf = -1;
2178 2164
2179 this->erase_cmd (mtd, page & this->pagemask); 2165 this->erase_cmd(mtd, page & this->pagemask);
2180 2166
2181 status = this->waitfunc (mtd, this, FL_ERASING); 2167 status = this->waitfunc(mtd, this, FL_ERASING);
2182 2168
2183 /* See if operation failed and additional status checks are available */ 2169 /* See if operation failed and additional status checks are available */
2184 if ((status & NAND_STATUS_FAIL) && (this->errstat)) { 2170 if ((status & NAND_STATUS_FAIL) && (this->errstat)) {
@@ -2187,7 +2173,7 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
2187 2173
2188 /* See if block erase succeeded */ 2174 /* See if block erase succeeded */
2189 if (status & NAND_STATUS_FAIL) { 2175 if (status & NAND_STATUS_FAIL) {
2190 DEBUG (MTD_DEBUG_LEVEL0, "nand_erase: " "Failed erase, page 0x%08x\n", page); 2176 DEBUG(MTD_DEBUG_LEVEL0, "nand_erase: " "Failed erase, page 0x%08x\n", page);
2191 instr->state = MTD_ERASE_FAILED; 2177 instr->state = MTD_ERASE_FAILED;
2192 instr->fail_addr = (page << this->page_shift); 2178 instr->fail_addr = (page << this->page_shift);
2193 goto erase_exit; 2179 goto erase_exit;
@@ -2221,7 +2207,7 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
2221 } 2207 }
2222 instr->state = MTD_ERASE_DONE; 2208 instr->state = MTD_ERASE_DONE;
2223 2209
2224erase_exit: 2210 erase_exit:
2225 2211
2226 ret = instr->state == MTD_ERASE_DONE ? 0 : -EIO; 2212 ret = instr->state == MTD_ERASE_DONE ? 0 : -EIO;
2227 /* Do call back function */ 2213 /* Do call back function */
@@ -2236,9 +2222,9 @@ erase_exit:
2236 for (chipnr = 0; chipnr < this->numchips; chipnr++) { 2222 for (chipnr = 0; chipnr < this->numchips; chipnr++) {
2237 if (rewrite_bbt[chipnr]) { 2223 if (rewrite_bbt[chipnr]) {
2238 /* update the BBT for chip */ 2224 /* update the BBT for chip */
2239 DEBUG (MTD_DEBUG_LEVEL0, "nand_erase_nand: nand_update_bbt (%d:0x%0x 0x%0x)\n", 2225 DEBUG(MTD_DEBUG_LEVEL0, "nand_erase_nand: nand_update_bbt (%d:0x%0x 0x%0x)\n",
2240 chipnr, rewrite_bbt[chipnr], this->bbt_td->pages[chipnr]); 2226 chipnr, rewrite_bbt[chipnr], this->bbt_td->pages[chipnr]);
2241 nand_update_bbt (mtd, rewrite_bbt[chipnr]); 2227 nand_update_bbt(mtd, rewrite_bbt[chipnr]);
2242 } 2228 }
2243 } 2229 }
2244 } 2230 }
@@ -2253,31 +2239,30 @@ erase_exit:
2253 * 2239 *
2254 * Sync is actually a wait for chip ready function 2240 * Sync is actually a wait for chip ready function
2255 */ 2241 */
2256static void nand_sync (struct mtd_info *mtd) 2242static void nand_sync(struct mtd_info *mtd)
2257{ 2243{
2258 struct nand_chip *this = mtd->priv; 2244 struct nand_chip *this = mtd->priv;
2259 2245
2260 DEBUG (MTD_DEBUG_LEVEL3, "nand_sync: called\n"); 2246 DEBUG(MTD_DEBUG_LEVEL3, "nand_sync: called\n");
2261 2247
2262 /* Grab the lock and see if the device is available */ 2248 /* Grab the lock and see if the device is available */
2263 nand_get_device (this, mtd, FL_SYNCING); 2249 nand_get_device(this, mtd, FL_SYNCING);
2264 /* Release it and go back */ 2250 /* Release it and go back */
2265 nand_release_device (mtd); 2251 nand_release_device(mtd);
2266} 2252}
2267 2253
2268
2269/** 2254/**
2270 * nand_block_isbad - [MTD Interface] Check whether the block at the given offset is bad 2255 * nand_block_isbad - [MTD Interface] Check whether the block at the given offset is bad
2271 * @mtd: MTD device structure 2256 * @mtd: MTD device structure
2272 * @ofs: offset relative to mtd start 2257 * @ofs: offset relative to mtd start
2273 */ 2258 */
2274static int nand_block_isbad (struct mtd_info *mtd, loff_t ofs) 2259static int nand_block_isbad(struct mtd_info *mtd, loff_t ofs)
2275{ 2260{
2276 /* Check for invalid offset */ 2261 /* Check for invalid offset */
2277 if (ofs > mtd->size) 2262 if (ofs > mtd->size)
2278 return -EINVAL; 2263 return -EINVAL;
2279 2264
2280 return nand_block_checkbad (mtd, ofs, 1, 0); 2265 return nand_block_checkbad(mtd, ofs, 1, 0);
2281} 2266}
2282 2267
2283/** 2268/**
@@ -2285,17 +2270,17 @@ static int nand_block_isbad (struct mtd_info *mtd, loff_t ofs)
2285 * @mtd: MTD device structure 2270 * @mtd: MTD device structure
2286 * @ofs: offset relative to mtd start 2271 * @ofs: offset relative to mtd start
2287 */ 2272 */
2288static int nand_block_markbad (struct mtd_info *mtd, loff_t ofs) 2273static int nand_block_markbad(struct mtd_info *mtd, loff_t ofs)
2289{ 2274{
2290 struct nand_chip *this = mtd->priv; 2275 struct nand_chip *this = mtd->priv;
2291 int ret; 2276 int ret;
2292 2277
2293 if ((ret = nand_block_isbad(mtd, ofs))) { 2278 if ((ret = nand_block_isbad(mtd, ofs))) {
2294 /* If it was bad already, return success and do nothing. */ 2279 /* If it was bad already, return success and do nothing. */
2295 if (ret > 0) 2280 if (ret > 0)
2296 return 0; 2281 return 0;
2297 return ret; 2282 return ret;
2298 } 2283 }
2299 2284
2300 return this->block_markbad(mtd, ofs); 2285 return this->block_markbad(mtd, ofs);
2301} 2286}
@@ -2308,7 +2293,7 @@ static int nand_suspend(struct mtd_info *mtd)
2308{ 2293{
2309 struct nand_chip *this = mtd->priv; 2294 struct nand_chip *this = mtd->priv;
2310 2295
2311 return nand_get_device (this, mtd, FL_PM_SUSPENDED); 2296 return nand_get_device(this, mtd, FL_PM_SUSPENDED);
2312} 2297}
2313 2298
2314/** 2299/**
@@ -2322,12 +2307,10 @@ static void nand_resume(struct mtd_info *mtd)
2322 if (this->state == FL_PM_SUSPENDED) 2307 if (this->state == FL_PM_SUSPENDED)
2323 nand_release_device(mtd); 2308 nand_release_device(mtd);
2324 else 2309 else
2325 printk(KERN_ERR "resume() called for the chip which is not " 2310 printk(KERN_ERR "resume() called for the chip which is not in suspended state\n");
2326 "in suspended state\n");
2327 2311
2328} 2312}
2329 2313
2330
2331/** 2314/**
2332 * nand_scan - [NAND Interface] Scan for the NAND device 2315 * nand_scan - [NAND Interface] Scan for the NAND device
2333 * @mtd: MTD device structure 2316 * @mtd: MTD device structure
@@ -2340,12 +2323,12 @@ static void nand_resume(struct mtd_info *mtd)
2340 * they are not provided by the board driver 2323 * they are not provided by the board driver
2341 * 2324 *
2342 */ 2325 */
2343int nand_scan (struct mtd_info *mtd, int maxchips) 2326int nand_scan(struct mtd_info *mtd, int maxchips)
2344{ 2327{
2345 int i, nand_maf_id, nand_dev_id, busw, maf_id; 2328 int i, nand_maf_id, nand_dev_id, busw, maf_id;
2346 struct nand_chip *this = mtd->priv; 2329 struct nand_chip *this = mtd->priv;
2347 2330
2348 /* Get buswidth to select the correct functions*/ 2331 /* Get buswidth to select the correct functions */
2349 busw = this->options & NAND_BUSWIDTH_16; 2332 busw = this->options & NAND_BUSWIDTH_16;
2350 2333
2351 /* check for proper chip_delay setup, set 20us if not */ 2334 /* check for proper chip_delay setup, set 20us if not */
@@ -2387,7 +2370,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2387 this->select_chip(mtd, 0); 2370 this->select_chip(mtd, 0);
2388 2371
2389 /* Send the command for reading device ID */ 2372 /* Send the command for reading device ID */
2390 this->cmdfunc (mtd, NAND_CMD_READID, 0x00, -1); 2373 this->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
2391 2374
2392 /* Read manufacturer and device IDs */ 2375 /* Read manufacturer and device IDs */
2393 nand_maf_id = this->read_byte(mtd); 2376 nand_maf_id = this->read_byte(mtd);
@@ -2399,7 +2382,8 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2399 if (nand_dev_id != nand_flash_ids[i].id) 2382 if (nand_dev_id != nand_flash_ids[i].id)
2400 continue; 2383 continue;
2401 2384
2402 if (!mtd->name) mtd->name = nand_flash_ids[i].name; 2385 if (!mtd->name)
2386 mtd->name = nand_flash_ids[i].name;
2403 this->chipsize = nand_flash_ids[i].chipsize << 20; 2387 this->chipsize = nand_flash_ids[i].chipsize << 20;
2404 2388
2405 /* New devices have all the information in additional id bytes */ 2389 /* New devices have all the information in additional id bytes */
@@ -2416,7 +2400,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2416 mtd->oobsize = (8 << (extid & 0x01)) * (mtd->oobblock >> 9); 2400 mtd->oobsize = (8 << (extid & 0x01)) * (mtd->oobblock >> 9);
2417 extid >>= 2; 2401 extid >>= 2;
2418 /* Calc blocksize. Blocksize is multiples of 64KiB */ 2402 /* Calc blocksize. Blocksize is multiples of 64KiB */
2419 mtd->erasesize = (64 * 1024) << (extid & 0x03); 2403 mtd->erasesize = (64 * 1024) << (extid & 0x03);
2420 extid >>= 2; 2404 extid >>= 2;
2421 /* Get buswidth information */ 2405 /* Get buswidth information */
2422 busw = (extid & 0x01) ? NAND_BUSWIDTH_16 : 0; 2406 busw = (extid & 0x01) ? NAND_BUSWIDTH_16 : 0;
@@ -2439,13 +2423,12 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2439 /* Check, if buswidth is correct. Hardware drivers should set 2423 /* Check, if buswidth is correct. Hardware drivers should set
2440 * this correct ! */ 2424 * this correct ! */
2441 if (busw != (this->options & NAND_BUSWIDTH_16)) { 2425 if (busw != (this->options & NAND_BUSWIDTH_16)) {
2442 printk (KERN_INFO "NAND device: Manufacturer ID:" 2426 printk(KERN_INFO "NAND device: Manufacturer ID:"
2443 " 0x%02x, Chip ID: 0x%02x (%s %s)\n", nand_maf_id, nand_dev_id, 2427 " 0x%02x, Chip ID: 0x%02x (%s %s)\n", nand_maf_id, nand_dev_id,
2444 nand_manuf_ids[maf_id].name , mtd->name); 2428 nand_manuf_ids[maf_id].name, mtd->name);
2445 printk (KERN_WARNING 2429 printk(KERN_WARNING
2446 "NAND bus width %d instead %d bit\n", 2430 "NAND bus width %d instead %d bit\n",
2447 (this->options & NAND_BUSWIDTH_16) ? 16 : 8, 2431 (this->options & NAND_BUSWIDTH_16) ? 16 : 8, busw ? 16 : 8);
2448 busw ? 16 : 8);
2449 this->select_chip(mtd, -1); 2432 this->select_chip(mtd, -1);
2450 return 1; 2433 return 1;
2451 } 2434 }
@@ -2456,13 +2439,12 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2456 this->chip_shift = ffs(this->chipsize) - 1; 2439 this->chip_shift = ffs(this->chipsize) - 1;
2457 2440
2458 /* Set the bad block position */ 2441 /* Set the bad block position */
2459 this->badblockpos = mtd->oobblock > 512 ? 2442 this->badblockpos = mtd->oobblock > 512 ? NAND_LARGE_BADBLOCK_POS : NAND_SMALL_BADBLOCK_POS;
2460 NAND_LARGE_BADBLOCK_POS : NAND_SMALL_BADBLOCK_POS;
2461 2443
2462 /* Get chip options, preserve non chip based options */ 2444 /* Get chip options, preserve non chip based options */
2463 this->options &= ~NAND_CHIPOPTIONS_MSK; 2445 this->options &= ~NAND_CHIPOPTIONS_MSK;
2464 this->options |= nand_flash_ids[i].options & NAND_CHIPOPTIONS_MSK; 2446 this->options |= nand_flash_ids[i].options & NAND_CHIPOPTIONS_MSK;
2465 /* Set this as a default. Board drivers can override it, if neccecary */ 2447 /* Set this as a default. Board drivers can override it, if necessary */
2466 this->options |= NAND_NO_AUTOINCR; 2448 this->options |= NAND_NO_AUTOINCR;
2467 /* Check if this is a not a samsung device. Do not clear the options 2449 /* Check if this is a not a samsung device. Do not clear the options
2468 * for chips which are not having an extended id. 2450 * for chips which are not having an extended id.
@@ -2480,23 +2462,23 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2480 if (mtd->oobblock > 512 && this->cmdfunc == nand_command) 2462 if (mtd->oobblock > 512 && this->cmdfunc == nand_command)
2481 this->cmdfunc = nand_command_lp; 2463 this->cmdfunc = nand_command_lp;
2482 2464
2483 printk (KERN_INFO "NAND device: Manufacturer ID:" 2465 printk(KERN_INFO "NAND device: Manufacturer ID:"
2484 " 0x%02x, Chip ID: 0x%02x (%s %s)\n", nand_maf_id, nand_dev_id, 2466 " 0x%02x, Chip ID: 0x%02x (%s %s)\n", nand_maf_id, nand_dev_id,
2485 nand_manuf_ids[maf_id].name , nand_flash_ids[i].name); 2467 nand_manuf_ids[maf_id].name, nand_flash_ids[i].name);
2486 break; 2468 break;
2487 } 2469 }
2488 2470
2489 if (!nand_flash_ids[i].name) { 2471 if (!nand_flash_ids[i].name) {
2490 printk (KERN_WARNING "No NAND device found!!!\n"); 2472 printk(KERN_WARNING "No NAND device found!!!\n");
2491 this->select_chip(mtd, -1); 2473 this->select_chip(mtd, -1);
2492 return 1; 2474 return 1;
2493 } 2475 }
2494 2476
2495 for (i=1; i < maxchips; i++) { 2477 for (i = 1; i < maxchips; i++) {
2496 this->select_chip(mtd, i); 2478 this->select_chip(mtd, i);
2497 2479
2498 /* Send the command for reading device ID */ 2480 /* Send the command for reading device ID */
2499 this->cmdfunc (mtd, NAND_CMD_READID, 0x00, -1); 2481 this->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
2500 2482
2501 /* Read manufacturer and device IDs */ 2483 /* Read manufacturer and device IDs */
2502 if (nand_maf_id != this->read_byte(mtd) || 2484 if (nand_maf_id != this->read_byte(mtd) ||
@@ -2506,13 +2488,13 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2506 if (i > 1) 2488 if (i > 1)
2507 printk(KERN_INFO "%d NAND chips detected\n", i); 2489 printk(KERN_INFO "%d NAND chips detected\n", i);
2508 2490
2509 /* Allocate buffers, if neccecary */ 2491 /* Allocate buffers, if necessary */
2510 if (!this->oob_buf) { 2492 if (!this->oob_buf) {
2511 size_t len; 2493 size_t len;
2512 len = mtd->oobsize << (this->phys_erase_shift - this->page_shift); 2494 len = mtd->oobsize << (this->phys_erase_shift - this->page_shift);
2513 this->oob_buf = kmalloc (len, GFP_KERNEL); 2495 this->oob_buf = kmalloc(len, GFP_KERNEL);
2514 if (!this->oob_buf) { 2496 if (!this->oob_buf) {
2515 printk (KERN_ERR "nand_scan(): Cannot allocate oob_buf\n"); 2497 printk(KERN_ERR "nand_scan(): Cannot allocate oob_buf\n");
2516 return -ENOMEM; 2498 return -ENOMEM;
2517 } 2499 }
2518 this->options |= NAND_OOBBUF_ALLOC; 2500 this->options |= NAND_OOBBUF_ALLOC;
@@ -2521,11 +2503,11 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2521 if (!this->data_buf) { 2503 if (!this->data_buf) {
2522 size_t len; 2504 size_t len;
2523 len = mtd->oobblock + mtd->oobsize; 2505 len = mtd->oobblock + mtd->oobsize;
2524 this->data_buf = kmalloc (len, GFP_KERNEL); 2506 this->data_buf = kmalloc(len, GFP_KERNEL);
2525 if (!this->data_buf) { 2507 if (!this->data_buf) {
2526 if (this->options & NAND_OOBBUF_ALLOC) 2508 if (this->options & NAND_OOBBUF_ALLOC)
2527 kfree (this->oob_buf); 2509 kfree(this->oob_buf);
2528 printk (KERN_ERR "nand_scan(): Cannot allocate data_buf\n"); 2510 printk(KERN_ERR "nand_scan(): Cannot allocate data_buf\n");
2529 return -ENOMEM; 2511 return -ENOMEM;
2530 } 2512 }
2531 this->options |= NAND_DATABUF_ALLOC; 2513 this->options |= NAND_DATABUF_ALLOC;
@@ -2555,8 +2537,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2555 this->autooob = &nand_oob_64; 2537 this->autooob = &nand_oob_64;
2556 break; 2538 break;
2557 default: 2539 default:
2558 printk (KERN_WARNING "No oob scheme defined for oobsize %d\n", 2540 printk(KERN_WARNING "No oob scheme defined for oobsize %d\n", mtd->oobsize);
2559 mtd->oobsize);
2560 BUG(); 2541 BUG();
2561 } 2542 }
2562 } 2543 }
@@ -2571,7 +2552,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2571 * check ECC mode, default to software 2552 * check ECC mode, default to software
2572 * if 3byte/512byte hardware ECC is selected and we have 256 byte pagesize 2553 * if 3byte/512byte hardware ECC is selected and we have 256 byte pagesize
2573 * fallback to software ECC 2554 * fallback to software ECC
2574 */ 2555 */
2575 this->eccsize = 256; /* set default eccsize */ 2556 this->eccsize = 256; /* set default eccsize */
2576 this->eccbytes = 3; 2557 this->eccbytes = 3;
2577 2558
@@ -2591,19 +2572,19 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2591 case NAND_ECC_HW6_512: 2572 case NAND_ECC_HW6_512:
2592 case NAND_ECC_HW8_512: 2573 case NAND_ECC_HW8_512:
2593 if (mtd->oobblock == 256) { 2574 if (mtd->oobblock == 256) {
2594 printk (KERN_WARNING "512 byte HW ECC not possible on 256 Byte pagesize, fallback to SW ECC \n"); 2575 printk(KERN_WARNING "512 byte HW ECC not possible on 256 Byte pagesize, fallback to SW ECC \n");
2595 this->eccmode = NAND_ECC_SOFT; 2576 this->eccmode = NAND_ECC_SOFT;
2596 this->calculate_ecc = nand_calculate_ecc; 2577 this->calculate_ecc = nand_calculate_ecc;
2597 this->correct_data = nand_correct_data; 2578 this->correct_data = nand_correct_data;
2598 } else 2579 } else
2599 this->eccsize = 512; /* set eccsize to 512 */ 2580 this->eccsize = 512; /* set eccsize to 512 */
2600 break; 2581 break;
2601 2582
2602 case NAND_ECC_HW3_256: 2583 case NAND_ECC_HW3_256:
2603 break; 2584 break;
2604 2585
2605 case NAND_ECC_NONE: 2586 case NAND_ECC_NONE:
2606 printk (KERN_WARNING "NAND_ECC_NONE selected by board driver. This is not recommended !!\n"); 2587 printk(KERN_WARNING "NAND_ECC_NONE selected by board driver. This is not recommended !!\n");
2607 this->eccmode = NAND_ECC_NONE; 2588 this->eccmode = NAND_ECC_NONE;
2608 break; 2589 break;
2609 2590
@@ -2613,13 +2594,13 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2613 break; 2594 break;
2614 2595
2615 default: 2596 default:
2616 printk (KERN_WARNING "Invalid NAND_ECC_MODE %d\n", this->eccmode); 2597 printk(KERN_WARNING "Invalid NAND_ECC_MODE %d\n", this->eccmode);
2617 BUG(); 2598 BUG();
2618 } 2599 }
2619 2600
2620 /* Check hardware ecc function availability and adjust number of ecc bytes per 2601 /* Check hardware ecc function availability and adjust number of ecc bytes per
2621 * calculation step 2602 * calculation step
2622 */ 2603 */
2623 switch (this->eccmode) { 2604 switch (this->eccmode) {
2624 case NAND_ECC_HW12_2048: 2605 case NAND_ECC_HW12_2048:
2625 this->eccbytes += 4; 2606 this->eccbytes += 4;
@@ -2631,7 +2612,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2631 case NAND_ECC_HW3_256: 2612 case NAND_ECC_HW3_256:
2632 if (this->calculate_ecc && this->correct_data && this->enable_hwecc) 2613 if (this->calculate_ecc && this->correct_data && this->enable_hwecc)
2633 break; 2614 break;
2634 printk (KERN_WARNING "No ECC functions supplied, Hardware ECC not possible\n"); 2615 printk(KERN_WARNING "No ECC functions supplied, Hardware ECC not possible\n");
2635 BUG(); 2616 BUG();
2636 } 2617 }
2637 2618
@@ -2659,8 +2640,8 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2659 2640
2660 /* Initialize state, waitqueue and spinlock */ 2641 /* Initialize state, waitqueue and spinlock */
2661 this->state = FL_READY; 2642 this->state = FL_READY;
2662 init_waitqueue_head (&this->wq); 2643 init_waitqueue_head(&this->wq);
2663 spin_lock_init (&this->chip_lock); 2644 spin_lock_init(&this->chip_lock);
2664 2645
2665 /* De-select the device */ 2646 /* De-select the device */
2666 this->select_chip(mtd, -1); 2647 this->select_chip(mtd, -1);
@@ -2702,37 +2683,36 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
2702 return 0; 2683 return 0;
2703 2684
2704 /* Build bad block table */ 2685 /* Build bad block table */
2705 return this->scan_bbt (mtd); 2686 return this->scan_bbt(mtd);
2706} 2687}
2707 2688
2708/** 2689/**
2709 * nand_release - [NAND Interface] Free resources held by the NAND device 2690 * nand_release - [NAND Interface] Free resources held by the NAND device
2710 * @mtd: MTD device structure 2691 * @mtd: MTD device structure
2711*/ 2692*/
2712void nand_release (struct mtd_info *mtd) 2693void nand_release(struct mtd_info *mtd)
2713{ 2694{
2714 struct nand_chip *this = mtd->priv; 2695 struct nand_chip *this = mtd->priv;
2715 2696
2716#ifdef CONFIG_MTD_PARTITIONS 2697#ifdef CONFIG_MTD_PARTITIONS
2717 /* Deregister partitions */ 2698 /* Deregister partitions */
2718 del_mtd_partitions (mtd); 2699 del_mtd_partitions(mtd);
2719#endif 2700#endif
2720 /* Deregister the device */ 2701 /* Deregister the device */
2721 del_mtd_device (mtd); 2702 del_mtd_device(mtd);
2722 2703
2723 /* Free bad block table memory */ 2704 /* Free bad block table memory */
2724 kfree (this->bbt); 2705 kfree(this->bbt);
2725 /* Buffer allocated by nand_scan ? */ 2706 /* Buffer allocated by nand_scan ? */
2726 if (this->options & NAND_OOBBUF_ALLOC) 2707 if (this->options & NAND_OOBBUF_ALLOC)
2727 kfree (this->oob_buf); 2708 kfree(this->oob_buf);
2728 /* Buffer allocated by nand_scan ? */ 2709 /* Buffer allocated by nand_scan ? */
2729 if (this->options & NAND_DATABUF_ALLOC) 2710 if (this->options & NAND_DATABUF_ALLOC)
2730 kfree (this->data_buf); 2711 kfree(this->data_buf);
2731} 2712}
2732 2713
2733EXPORT_SYMBOL_GPL (nand_scan); 2714EXPORT_SYMBOL_GPL(nand_scan);
2734EXPORT_SYMBOL_GPL (nand_release); 2715EXPORT_SYMBOL_GPL(nand_release);
2735
2736 2716
2737static int __init nand_base_init(void) 2717static int __init nand_base_init(void)
2738{ 2718{
@@ -2748,6 +2728,6 @@ static void __exit nand_base_exit(void)
2748module_init(nand_base_init); 2728module_init(nand_base_init);
2749module_exit(nand_base_exit); 2729module_exit(nand_base_exit);
2750 2730
2751MODULE_LICENSE ("GPL"); 2731MODULE_LICENSE("GPL");
2752MODULE_AUTHOR ("Steven J. Hill <sjhill@realitydiluted.com>, Thomas Gleixner <tglx@linutronix.de>"); 2732MODULE_AUTHOR("Steven J. Hill <sjhill@realitydiluted.com>, Thomas Gleixner <tglx@linutronix.de>");
2753MODULE_DESCRIPTION ("Generic NAND flash driver code"); 2733MODULE_DESCRIPTION("Generic NAND flash driver code");
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index ccc48a4a6ad0..9adc6d62332a 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -48,7 +48,7 @@
48 * 48 *
49 * Following assumptions are made: 49 * Following assumptions are made:
50 * - bbts start at a page boundary, if autolocated on a block boundary 50 * - bbts start at a page boundary, if autolocated on a block boundary
51 * - the space neccecary for a bbt in FLASH does not exceed a block boundary 51 * - the space necessary for a bbt in FLASH does not exceed a block boundary
52 * 52 *
53 */ 53 */
54 54
@@ -75,7 +75,7 @@
75 * pattern area contain 0xff 75 * pattern area contain 0xff
76 * 76 *
77*/ 77*/
78static int check_pattern (uint8_t *buf, int len, int paglen, struct nand_bbt_descr *td) 78static int check_pattern(uint8_t *buf, int len, int paglen, struct nand_bbt_descr *td)
79{ 79{
80 int i, end = 0; 80 int i, end = 0;
81 uint8_t *p = buf; 81 uint8_t *p = buf;
@@ -116,7 +116,7 @@ static int check_pattern (uint8_t *buf, int len, int paglen, struct nand_bbt_des
116 * no optional empty check 116 * no optional empty check
117 * 117 *
118*/ 118*/
119static int check_short_pattern (uint8_t *buf, struct nand_bbt_descr *td) 119static int check_short_pattern(uint8_t *buf, struct nand_bbt_descr *td)
120{ 120{
121 int i; 121 int i;
122 uint8_t *p = buf; 122 uint8_t *p = buf;
@@ -142,8 +142,8 @@ static int check_short_pattern (uint8_t *buf, struct nand_bbt_descr *td)
142 * Read the bad block table starting from page. 142 * Read the bad block table starting from page.
143 * 143 *
144 */ 144 */
145static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num, 145static int read_bbt(struct mtd_info *mtd, uint8_t *buf, int page, int num,
146 int bits, int offs, int reserved_block_code) 146 int bits, int offs, int reserved_block_code)
147{ 147{
148 int res, i, j, act = 0; 148 int res, i, j, act = 0;
149 struct nand_chip *this = mtd->priv; 149 struct nand_chip *this = mtd->priv;
@@ -152,17 +152,17 @@ static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num,
152 uint8_t msk = (uint8_t) ((1 << bits) - 1); 152 uint8_t msk = (uint8_t) ((1 << bits) - 1);
153 153
154 totlen = (num * bits) >> 3; 154 totlen = (num * bits) >> 3;
155 from = ((loff_t)page) << this->page_shift; 155 from = ((loff_t) page) << this->page_shift;
156 156
157 while (totlen) { 157 while (totlen) {
158 len = min (totlen, (size_t) (1 << this->bbt_erase_shift)); 158 len = min(totlen, (size_t) (1 << this->bbt_erase_shift));
159 res = mtd->read_ecc (mtd, from, len, &retlen, buf, NULL, this->autooob); 159 res = mtd->read_ecc(mtd, from, len, &retlen, buf, NULL, this->autooob);
160 if (res < 0) { 160 if (res < 0) {
161 if (retlen != len) { 161 if (retlen != len) {
162 printk (KERN_INFO "nand_bbt: Error reading bad block table\n"); 162 printk(KERN_INFO "nand_bbt: Error reading bad block table\n");
163 return res; 163 return res;
164 } 164 }
165 printk (KERN_WARNING "nand_bbt: ECC error while reading bad block table\n"); 165 printk(KERN_WARNING "nand_bbt: ECC error while reading bad block table\n");
166 } 166 }
167 167
168 /* Analyse data */ 168 /* Analyse data */
@@ -172,17 +172,16 @@ static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num,
172 uint8_t tmp = (dat >> j) & msk; 172 uint8_t tmp = (dat >> j) & msk;
173 if (tmp == msk) 173 if (tmp == msk)
174 continue; 174 continue;
175 if (reserved_block_code && 175 if (reserved_block_code && (tmp == reserved_block_code)) {
176 (tmp == reserved_block_code)) { 176 printk(KERN_DEBUG "nand_read_bbt: Reserved block at 0x%08x\n",
177 printk (KERN_DEBUG "nand_read_bbt: Reserved block at 0x%08x\n", 177 ((offs << 2) + (act >> 1)) << this->bbt_erase_shift);
178 ((offs << 2) + (act >> 1)) << this->bbt_erase_shift);
179 this->bbt[offs + (act >> 3)] |= 0x2 << (act & 0x06); 178 this->bbt[offs + (act >> 3)] |= 0x2 << (act & 0x06);
180 continue; 179 continue;
181 } 180 }
182 /* Leave it for now, if its matured we can move this 181 /* Leave it for now, if its matured we can move this
183 * message to MTD_DEBUG_LEVEL0 */ 182 * message to MTD_DEBUG_LEVEL0 */
184 printk (KERN_DEBUG "nand_read_bbt: Bad block at 0x%08x\n", 183 printk(KERN_DEBUG "nand_read_bbt: Bad block at 0x%08x\n",
185 ((offs << 2) + (act >> 1)) << this->bbt_erase_shift); 184 ((offs << 2) + (act >> 1)) << this->bbt_erase_shift);
186 /* Factory marked bad or worn out ? */ 185 /* Factory marked bad or worn out ? */
187 if (tmp == 0) 186 if (tmp == 0)
188 this->bbt[offs + (act >> 3)] |= 0x3 << (act & 0x06); 187 this->bbt[offs + (act >> 3)] |= 0x3 << (act & 0x06);
@@ -207,7 +206,7 @@ static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num,
207 * Read the bad block table for all chips starting at a given page 206 * Read the bad block table for all chips starting at a given page
208 * We assume that the bbt bits are in consecutive order. 207 * We assume that the bbt bits are in consecutive order.
209*/ 208*/
210static int read_abs_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td, int chip) 209static int read_abs_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td, int chip)
211{ 210{
212 struct nand_chip *this = mtd->priv; 211 struct nand_chip *this = mtd->priv;
213 int res = 0, i; 212 int res = 0, i;
@@ -242,23 +241,22 @@ static int read_abs_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_des
242 * We assume that the bbt bits are in consecutive order. 241 * We assume that the bbt bits are in consecutive order.
243 * 242 *
244*/ 243*/
245static int read_abs_bbts (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td, 244static int read_abs_bbts(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td, struct nand_bbt_descr *md)
246 struct nand_bbt_descr *md)
247{ 245{
248 struct nand_chip *this = mtd->priv; 246 struct nand_chip *this = mtd->priv;
249 247
250 /* Read the primary version, if available */ 248 /* Read the primary version, if available */
251 if (td->options & NAND_BBT_VERSION) { 249 if (td->options & NAND_BBT_VERSION) {
252 nand_read_raw (mtd, buf, td->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize); 250 nand_read_raw(mtd, buf, td->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize);
253 td->version[0] = buf[mtd->oobblock + td->veroffs]; 251 td->version[0] = buf[mtd->oobblock + td->veroffs];
254 printk (KERN_DEBUG "Bad block table at page %d, version 0x%02X\n", td->pages[0], td->version[0]); 252 printk(KERN_DEBUG "Bad block table at page %d, version 0x%02X\n", td->pages[0], td->version[0]);
255 } 253 }
256 254
257 /* Read the mirror version, if available */ 255 /* Read the mirror version, if available */
258 if (md && (md->options & NAND_BBT_VERSION)) { 256 if (md && (md->options & NAND_BBT_VERSION)) {
259 nand_read_raw (mtd, buf, md->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize); 257 nand_read_raw(mtd, buf, md->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize);
260 md->version[0] = buf[mtd->oobblock + md->veroffs]; 258 md->version[0] = buf[mtd->oobblock + md->veroffs];
261 printk (KERN_DEBUG "Bad block table at page %d, version 0x%02X\n", md->pages[0], md->version[0]); 259 printk(KERN_DEBUG "Bad block table at page %d, version 0x%02X\n", md->pages[0], md->version[0]);
262 } 260 }
263 261
264 return 1; 262 return 1;
@@ -275,7 +273,7 @@ static int read_abs_bbts (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_de
275 * Create a bad block table by scanning the device 273 * Create a bad block table by scanning the device
276 * for the given good/bad block identify pattern 274 * for the given good/bad block identify pattern
277 */ 275 */
278static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd, int chip) 276static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd, int chip)
279{ 277{
280 struct nand_chip *this = mtd->priv; 278 struct nand_chip *this = mtd->priv;
281 int i, j, numblocks, len, scanlen; 279 int i, j, numblocks, len, scanlen;
@@ -283,7 +281,7 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
283 loff_t from; 281 loff_t from;
284 size_t readlen, ooblen; 282 size_t readlen, ooblen;
285 283
286 printk (KERN_INFO "Scanning device for bad blocks\n"); 284 printk(KERN_INFO "Scanning device for bad blocks\n");
287 285
288 if (bd->options & NAND_BBT_SCANALLPAGES) 286 if (bd->options & NAND_BBT_SCANALLPAGES)
289 len = 1 << (this->bbt_erase_shift - this->page_shift); 287 len = 1 << (this->bbt_erase_shift - this->page_shift);
@@ -300,7 +298,7 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
300 readlen = bd->len; 298 readlen = bd->len;
301 } else { 299 } else {
302 /* Full page content should be read */ 300 /* Full page content should be read */
303 scanlen = mtd->oobblock + mtd->oobsize; 301 scanlen = mtd->oobblock + mtd->oobsize;
304 readlen = len * mtd->oobblock; 302 readlen = len * mtd->oobblock;
305 ooblen = len * mtd->oobsize; 303 ooblen = len * mtd->oobsize;
306 } 304 }
@@ -313,8 +311,8 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
313 from = 0; 311 from = 0;
314 } else { 312 } else {
315 if (chip >= this->numchips) { 313 if (chip >= this->numchips) {
316 printk (KERN_WARNING "create_bbt(): chipnr (%d) > available chips (%d)\n", 314 printk(KERN_WARNING "create_bbt(): chipnr (%d) > available chips (%d)\n",
317 chip + 1, this->numchips); 315 chip + 1, this->numchips);
318 return -EINVAL; 316 return -EINVAL;
319 } 317 }
320 numblocks = this->chipsize >> (this->bbt_erase_shift - 1); 318 numblocks = this->chipsize >> (this->bbt_erase_shift - 1);
@@ -327,7 +325,7 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
327 int ret; 325 int ret;
328 326
329 if (bd->options & NAND_BBT_SCANEMPTY) 327 if (bd->options & NAND_BBT_SCANEMPTY)
330 if ((ret = nand_read_raw (mtd, buf, from, readlen, ooblen))) 328 if ((ret = nand_read_raw(mtd, buf, from, readlen, ooblen)))
331 return ret; 329 return ret;
332 330
333 for (j = 0; j < len; j++) { 331 for (j = 0; j < len; j++) {
@@ -336,22 +334,21 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
336 334
337 /* Read the full oob until read_oob is fixed to 335 /* Read the full oob until read_oob is fixed to
338 * handle single byte reads for 16 bit buswidth */ 336 * handle single byte reads for 16 bit buswidth */
339 ret = mtd->read_oob(mtd, from + j * mtd->oobblock, 337 ret = mtd->read_oob(mtd, from + j * mtd->oobblock, mtd->oobsize, &retlen, buf);
340 mtd->oobsize, &retlen, buf);
341 if (ret) 338 if (ret)
342 return ret; 339 return ret;
343 340
344 if (check_short_pattern (buf, bd)) { 341 if (check_short_pattern(buf, bd)) {
345 this->bbt[i >> 3] |= 0x03 << (i & 0x6); 342 this->bbt[i >> 3] |= 0x03 << (i & 0x6);
346 printk (KERN_WARNING "Bad eraseblock %d at 0x%08x\n", 343 printk(KERN_WARNING "Bad eraseblock %d at 0x%08x\n",
347 i >> 1, (unsigned int) from); 344 i >> 1, (unsigned int)from);
348 break; 345 break;
349 } 346 }
350 } else { 347 } else {
351 if (check_pattern (&buf[j * scanlen], scanlen, mtd->oobblock, bd)) { 348 if (check_pattern(&buf[j * scanlen], scanlen, mtd->oobblock, bd)) {
352 this->bbt[i >> 3] |= 0x03 << (i & 0x6); 349 this->bbt[i >> 3] |= 0x03 << (i & 0x6);
353 printk (KERN_WARNING "Bad eraseblock %d at 0x%08x\n", 350 printk(KERN_WARNING "Bad eraseblock %d at 0x%08x\n",
354 i >> 1, (unsigned int) from); 351 i >> 1, (unsigned int)from);
355 break; 352 break;
356 } 353 }
357 } 354 }
@@ -374,12 +371,12 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
374 * block. 371 * block.
375 * If the option NAND_BBT_PERCHIP is given, each chip is searched 372 * If the option NAND_BBT_PERCHIP is given, each chip is searched
376 * for a bbt, which contains the bad block information of this chip. 373 * for a bbt, which contains the bad block information of this chip.
377 * This is neccecary to provide support for certain DOC devices. 374 * This is necessary to provide support for certain DOC devices.
378 * 375 *
379 * The bbt ident pattern resides in the oob area of the first page 376 * The bbt ident pattern resides in the oob area of the first page
380 * in a block. 377 * in a block.
381 */ 378 */
382static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td) 379static int search_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td)
383{ 380{
384 struct nand_chip *this = mtd->priv; 381 struct nand_chip *this = mtd->priv;
385 int i, chips; 382 int i, chips;
@@ -389,7 +386,7 @@ static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
389 386
390 /* Search direction top -> down ? */ 387 /* Search direction top -> down ? */
391 if (td->options & NAND_BBT_LASTBLOCK) { 388 if (td->options & NAND_BBT_LASTBLOCK) {
392 startblock = (mtd->size >> this->bbt_erase_shift) -1; 389 startblock = (mtd->size >> this->bbt_erase_shift) - 1;
393 dir = -1; 390 dir = -1;
394 } else { 391 } else {
395 startblock = 0; 392 startblock = 0;
@@ -417,7 +414,7 @@ static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
417 for (block = 0; block < td->maxblocks; block++) { 414 for (block = 0; block < td->maxblocks; block++) {
418 int actblock = startblock + dir * block; 415 int actblock = startblock + dir * block;
419 /* Read first page */ 416 /* Read first page */
420 nand_read_raw (mtd, buf, actblock << this->bbt_erase_shift, mtd->oobblock, mtd->oobsize); 417 nand_read_raw(mtd, buf, actblock << this->bbt_erase_shift, mtd->oobblock, mtd->oobsize);
421 if (!check_pattern(buf, scanlen, mtd->oobblock, td)) { 418 if (!check_pattern(buf, scanlen, mtd->oobblock, td)) {
422 td->pages[i] = actblock << (this->bbt_erase_shift - this->page_shift); 419 td->pages[i] = actblock << (this->bbt_erase_shift - this->page_shift);
423 if (td->options & NAND_BBT_VERSION) { 420 if (td->options & NAND_BBT_VERSION) {
@@ -431,9 +428,10 @@ static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
431 /* Check, if we found a bbt for each requested chip */ 428 /* Check, if we found a bbt for each requested chip */
432 for (i = 0; i < chips; i++) { 429 for (i = 0; i < chips; i++) {
433 if (td->pages[i] == -1) 430 if (td->pages[i] == -1)
434 printk (KERN_WARNING "Bad block table not found for chip %d\n", i); 431 printk(KERN_WARNING "Bad block table not found for chip %d\n", i);
435 else 432 else
436 printk (KERN_DEBUG "Bad block table found at page %d, version 0x%02X\n", td->pages[i], td->version[i]); 433 printk(KERN_DEBUG "Bad block table found at page %d, version 0x%02X\n", td->pages[i],
434 td->version[i]);
437 } 435 }
438 return 0; 436 return 0;
439} 437}
@@ -447,21 +445,19 @@ static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
447 * 445 *
448 * Search and read the bad block table(s) 446 * Search and read the bad block table(s)
449*/ 447*/
450static int search_read_bbts (struct mtd_info *mtd, uint8_t *buf, 448static int search_read_bbts(struct mtd_info *mtd, uint8_t * buf, struct nand_bbt_descr *td, struct nand_bbt_descr *md)
451 struct nand_bbt_descr *td, struct nand_bbt_descr *md)
452{ 449{
453 /* Search the primary table */ 450 /* Search the primary table */
454 search_bbt (mtd, buf, td); 451 search_bbt(mtd, buf, td);
455 452
456 /* Search the mirror table */ 453 /* Search the mirror table */
457 if (md) 454 if (md)
458 search_bbt (mtd, buf, md); 455 search_bbt(mtd, buf, md);
459 456
460 /* Force result check */ 457 /* Force result check */
461 return 1; 458 return 1;
462} 459}
463 460
464
465/** 461/**
466 * write_bbt - [GENERIC] (Re)write the bad block table 462 * write_bbt - [GENERIC] (Re)write the bad block table
467 * 463 *
@@ -474,8 +470,8 @@ static int search_read_bbts (struct mtd_info *mtd, uint8_t *buf,
474 * (Re)write the bad block table 470 * (Re)write the bad block table
475 * 471 *
476*/ 472*/
477static int write_bbt (struct mtd_info *mtd, uint8_t *buf, 473static int write_bbt(struct mtd_info *mtd, uint8_t *buf,
478 struct nand_bbt_descr *td, struct nand_bbt_descr *md, int chipsel) 474 struct nand_bbt_descr *td, struct nand_bbt_descr *md, int chipsel)
479{ 475{
480 struct nand_chip *this = mtd->priv; 476 struct nand_chip *this = mtd->priv;
481 struct nand_oobinfo oobinfo; 477 struct nand_oobinfo oobinfo;
@@ -492,7 +488,7 @@ static int write_bbt (struct mtd_info *mtd, uint8_t *buf,
492 rcode = 0xff; 488 rcode = 0xff;
493 /* Write bad block table per chip rather than per device ? */ 489 /* Write bad block table per chip rather than per device ? */
494 if (td->options & NAND_BBT_PERCHIP) { 490 if (td->options & NAND_BBT_PERCHIP) {
495 numblocks = (int) (this->chipsize >> this->bbt_erase_shift); 491 numblocks = (int)(this->chipsize >> this->bbt_erase_shift);
496 /* Full device write or specific chip ? */ 492 /* Full device write or specific chip ? */
497 if (chipsel == -1) { 493 if (chipsel == -1) {
498 nrchips = this->numchips; 494 nrchips = this->numchips;
@@ -501,7 +497,7 @@ static int write_bbt (struct mtd_info *mtd, uint8_t *buf,
501 chip = chipsel; 497 chip = chipsel;
502 } 498 }
503 } else { 499 } else {
504 numblocks = (int) (mtd->size >> this->bbt_erase_shift); 500 numblocks = (int)(mtd->size >> this->bbt_erase_shift);
505 nrchips = 1; 501 nrchips = 1;
506 } 502 }
507 503
@@ -540,9 +536,9 @@ static int write_bbt (struct mtd_info *mtd, uint8_t *buf,
540 if (!md || md->pages[chip] != page) 536 if (!md || md->pages[chip] != page)
541 goto write; 537 goto write;
542 } 538 }
543 printk (KERN_ERR "No space left to write bad block table\n"); 539 printk(KERN_ERR "No space left to write bad block table\n");
544 return -ENOSPC; 540 return -ENOSPC;
545write: 541 write:
546 542
547 /* Set up shift count and masks for the flash table */ 543 /* Set up shift count and masks for the flash table */
548 bits = td->options & NAND_BBT_NRBITS_MSK; 544 bits = td->options & NAND_BBT_NRBITS_MSK;
@@ -558,7 +554,7 @@ write:
558 554
559 to = ((loff_t) page) << this->page_shift; 555 to = ((loff_t) page) << this->page_shift;
560 556
561 memcpy (&oobinfo, this->autooob, sizeof(oobinfo)); 557 memcpy(&oobinfo, this->autooob, sizeof(oobinfo));
562 oobinfo.useecc = MTD_NANDECC_PLACEONLY; 558 oobinfo.useecc = MTD_NANDECC_PLACEONLY;
563 559
564 /* Must we save the block contents ? */ 560 /* Must we save the block contents ? */
@@ -566,22 +562,23 @@ write:
566 /* Make it block aligned */ 562 /* Make it block aligned */
567 to &= ~((loff_t) ((1 << this->bbt_erase_shift) - 1)); 563 to &= ~((loff_t) ((1 << this->bbt_erase_shift) - 1));
568 len = 1 << this->bbt_erase_shift; 564 len = 1 << this->bbt_erase_shift;
569 res = mtd->read_ecc (mtd, to, len, &retlen, buf, &buf[len], &oobinfo); 565 res = mtd->read_ecc(mtd, to, len, &retlen, buf, &buf[len], &oobinfo);
570 if (res < 0) { 566 if (res < 0) {
571 if (retlen != len) { 567 if (retlen != len) {
572 printk (KERN_INFO "nand_bbt: Error reading block for writing the bad block table\n"); 568 printk(KERN_INFO
569 "nand_bbt: Error reading block for writing the bad block table\n");
573 return res; 570 return res;
574 } 571 }
575 printk (KERN_WARNING "nand_bbt: ECC error while reading block for writing bad block table\n"); 572 printk(KERN_WARNING "nand_bbt: ECC error while reading block for writing bad block table\n");
576 } 573 }
577 /* Calc the byte offset in the buffer */ 574 /* Calc the byte offset in the buffer */
578 pageoffs = page - (int)(to >> this->page_shift); 575 pageoffs = page - (int)(to >> this->page_shift);
579 offs = pageoffs << this->page_shift; 576 offs = pageoffs << this->page_shift;
580 /* Preset the bbt area with 0xff */ 577 /* Preset the bbt area with 0xff */
581 memset (&buf[offs], 0xff, (size_t)(numblocks >> sft)); 578 memset(&buf[offs], 0xff, (size_t) (numblocks >> sft));
582 /* Preset the bbt's oob area with 0xff */ 579 /* Preset the bbt's oob area with 0xff */
583 memset (&buf[len + pageoffs * mtd->oobsize], 0xff, 580 memset(&buf[len + pageoffs * mtd->oobsize], 0xff,
584 ((len >> this->page_shift) - pageoffs) * mtd->oobsize); 581 ((len >> this->page_shift) - pageoffs) * mtd->oobsize);
585 if (td->options & NAND_BBT_VERSION) { 582 if (td->options & NAND_BBT_VERSION) {
586 buf[len + (pageoffs * mtd->oobsize) + td->veroffs] = td->version[chip]; 583 buf[len + (pageoffs * mtd->oobsize) + td->veroffs] = td->version[chip];
587 } 584 }
@@ -589,22 +586,22 @@ write:
589 /* Calc length */ 586 /* Calc length */
590 len = (size_t) (numblocks >> sft); 587 len = (size_t) (numblocks >> sft);
591 /* Make it page aligned ! */ 588 /* Make it page aligned ! */
592 len = (len + (mtd->oobblock-1)) & ~(mtd->oobblock-1); 589 len = (len + (mtd->oobblock - 1)) & ~(mtd->oobblock - 1);
593 /* Preset the buffer with 0xff */ 590 /* Preset the buffer with 0xff */
594 memset (buf, 0xff, len + (len >> this->page_shift) * mtd->oobsize); 591 memset(buf, 0xff, len + (len >> this->page_shift) * mtd->oobsize);
595 offs = 0; 592 offs = 0;
596 /* Pattern is located in oob area of first page */ 593 /* Pattern is located in oob area of first page */
597 memcpy (&buf[len + td->offs], td->pattern, td->len); 594 memcpy(&buf[len + td->offs], td->pattern, td->len);
598 if (td->options & NAND_BBT_VERSION) { 595 if (td->options & NAND_BBT_VERSION) {
599 buf[len + td->veroffs] = td->version[chip]; 596 buf[len + td->veroffs] = td->version[chip];
600 } 597 }
601 } 598 }
602 599
603 /* walk through the memory table */ 600 /* walk through the memory table */
604 for (i = 0; i < numblocks; ) { 601 for (i = 0; i < numblocks;) {
605 uint8_t dat; 602 uint8_t dat;
606 dat = this->bbt[bbtoffs + (i >> 2)]; 603 dat = this->bbt[bbtoffs + (i >> 2)];
607 for (j = 0; j < 4; j++ , i++) { 604 for (j = 0; j < 4; j++, i++) {
608 int sftcnt = (i << (3 - sft)) & sftmsk; 605 int sftcnt = (i << (3 - sft)) & sftmsk;
609 /* Do not store the reserved bbt blocks ! */ 606 /* Do not store the reserved bbt blocks ! */
610 buf[offs + (i >> sft)] &= ~(msk[dat & 0x03] << sftcnt); 607 buf[offs + (i >> sft)] &= ~(msk[dat & 0x03] << sftcnt);
@@ -612,23 +609,23 @@ write:
612 } 609 }
613 } 610 }
614 611
615 memset (&einfo, 0, sizeof (einfo)); 612 memset(&einfo, 0, sizeof(einfo));
616 einfo.mtd = mtd; 613 einfo.mtd = mtd;
617 einfo.addr = (unsigned long) to; 614 einfo.addr = (unsigned long)to;
618 einfo.len = 1 << this->bbt_erase_shift; 615 einfo.len = 1 << this->bbt_erase_shift;
619 res = nand_erase_nand (mtd, &einfo, 1); 616 res = nand_erase_nand(mtd, &einfo, 1);
620 if (res < 0) { 617 if (res < 0) {
621 printk (KERN_WARNING "nand_bbt: Error during block erase: %d\n", res); 618 printk(KERN_WARNING "nand_bbt: Error during block erase: %d\n", res);
622 return res; 619 return res;
623 } 620 }
624 621
625 res = mtd->write_ecc (mtd, to, len, &retlen, buf, &buf[len], &oobinfo); 622 res = mtd->write_ecc(mtd, to, len, &retlen, buf, &buf[len], &oobinfo);
626 if (res < 0) { 623 if (res < 0) {
627 printk (KERN_WARNING "nand_bbt: Error while writing bad block table %d\n", res); 624 printk(KERN_WARNING "nand_bbt: Error while writing bad block table %d\n", res);
628 return res; 625 return res;
629 } 626 }
630 printk (KERN_DEBUG "Bad block table written to 0x%08x, version 0x%02X\n", 627 printk(KERN_DEBUG "Bad block table written to 0x%08x, version 0x%02X\n",
631 (unsigned int) to, td->version[chip]); 628 (unsigned int)to, td->version[chip]);
632 629
633 /* Mark it as used */ 630 /* Mark it as used */
634 td->pages[chip] = page; 631 td->pages[chip] = page;
@@ -644,27 +641,27 @@ write:
644 * The function creates a memory based bbt by scanning the device 641 * The function creates a memory based bbt by scanning the device
645 * for manufacturer / software marked good / bad blocks 642 * for manufacturer / software marked good / bad blocks
646*/ 643*/
647static inline int nand_memory_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd) 644static inline int nand_memory_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)
648{ 645{
649 struct nand_chip *this = mtd->priv; 646 struct nand_chip *this = mtd->priv;
650 647
651 bd->options &= ~NAND_BBT_SCANEMPTY; 648 bd->options &= ~NAND_BBT_SCANEMPTY;
652 return create_bbt (mtd, this->data_buf, bd, -1); 649 return create_bbt(mtd, this->data_buf, bd, -1);
653} 650}
654 651
655/** 652/**
656 * check_create - [GENERIC] create and write bbt(s) if neccecary 653 * check_create - [GENERIC] create and write bbt(s) if necessary
657 * @mtd: MTD device structure 654 * @mtd: MTD device structure
658 * @buf: temporary buffer 655 * @buf: temporary buffer
659 * @bd: descriptor for the good/bad block search pattern 656 * @bd: descriptor for the good/bad block search pattern
660 * 657 *
661 * The function checks the results of the previous call to read_bbt 658 * The function checks the results of the previous call to read_bbt
662 * and creates / updates the bbt(s) if neccecary 659 * and creates / updates the bbt(s) if necessary
663 * Creation is neccecary if no bbt was found for the chip/device 660 * Creation is necessary if no bbt was found for the chip/device
664 * Update is neccecary if one of the tables is missing or the 661 * Update is necessary if one of the tables is missing or the
665 * version nr. of one table is less than the other 662 * version nr. of one table is less than the other
666*/ 663*/
667static int check_create (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd) 664static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd)
668{ 665{
669 int i, chips, writeops, chipsel, res; 666 int i, chips, writeops, chipsel, res;
670 struct nand_chip *this = mtd->priv; 667 struct nand_chip *this = mtd->priv;
@@ -732,35 +729,35 @@ static int check_create (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_des
732 rd = td; 729 rd = td;
733 goto writecheck; 730 goto writecheck;
734 } 731 }
735create: 732 create:
736 /* Create the bad block table by scanning the device ? */ 733 /* Create the bad block table by scanning the device ? */
737 if (!(td->options & NAND_BBT_CREATE)) 734 if (!(td->options & NAND_BBT_CREATE))
738 continue; 735 continue;
739 736
740 /* Create the table in memory by scanning the chip(s) */ 737 /* Create the table in memory by scanning the chip(s) */
741 create_bbt (mtd, buf, bd, chipsel); 738 create_bbt(mtd, buf, bd, chipsel);
742 739
743 td->version[i] = 1; 740 td->version[i] = 1;
744 if (md) 741 if (md)
745 md->version[i] = 1; 742 md->version[i] = 1;
746writecheck: 743 writecheck:
747 /* read back first ? */ 744 /* read back first ? */
748 if (rd) 745 if (rd)
749 read_abs_bbt (mtd, buf, rd, chipsel); 746 read_abs_bbt(mtd, buf, rd, chipsel);
750 /* If they weren't versioned, read both. */ 747 /* If they weren't versioned, read both. */
751 if (rd2) 748 if (rd2)
752 read_abs_bbt (mtd, buf, rd2, chipsel); 749 read_abs_bbt(mtd, buf, rd2, chipsel);
753 750
754 /* Write the bad block table to the device ? */ 751 /* Write the bad block table to the device ? */
755 if ((writeops & 0x01) && (td->options & NAND_BBT_WRITE)) { 752 if ((writeops & 0x01) && (td->options & NAND_BBT_WRITE)) {
756 res = write_bbt (mtd, buf, td, md, chipsel); 753 res = write_bbt(mtd, buf, td, md, chipsel);
757 if (res < 0) 754 if (res < 0)
758 return res; 755 return res;
759 } 756 }
760 757
761 /* Write the mirror bad block table to the device ? */ 758 /* Write the mirror bad block table to the device ? */
762 if ((writeops & 0x02) && md && (md->options & NAND_BBT_WRITE)) { 759 if ((writeops & 0x02) && md && (md->options & NAND_BBT_WRITE)) {
763 res = write_bbt (mtd, buf, md, td, chipsel); 760 res = write_bbt(mtd, buf, md, td, chipsel);
764 if (res < 0) 761 if (res < 0)
765 return res; 762 return res;
766 } 763 }
@@ -777,7 +774,7 @@ writecheck:
777 * accidental erasures / writes. The regions are identified by 774 * accidental erasures / writes. The regions are identified by
778 * the mark 0x02. 775 * the mark 0x02.
779*/ 776*/
780static void mark_bbt_region (struct mtd_info *mtd, struct nand_bbt_descr *td) 777static void mark_bbt_region(struct mtd_info *mtd, struct nand_bbt_descr *td)
781{ 778{
782 struct nand_chip *this = mtd->priv; 779 struct nand_chip *this = mtd->priv;
783 int i, j, chips, block, nrblocks, update; 780 int i, j, chips, block, nrblocks, update;
@@ -795,7 +792,8 @@ static void mark_bbt_region (struct mtd_info *mtd, struct nand_bbt_descr *td)
795 for (i = 0; i < chips; i++) { 792 for (i = 0; i < chips; i++) {
796 if ((td->options & NAND_BBT_ABSPAGE) || 793 if ((td->options & NAND_BBT_ABSPAGE) ||
797 !(td->options & NAND_BBT_WRITE)) { 794 !(td->options & NAND_BBT_WRITE)) {
798 if (td->pages[i] == -1) continue; 795 if (td->pages[i] == -1)
796 continue;
799 block = td->pages[i] >> (this->bbt_erase_shift - this->page_shift); 797 block = td->pages[i] >> (this->bbt_erase_shift - this->page_shift);
800 block <<= 1; 798 block <<= 1;
801 oldval = this->bbt[(block >> 3)]; 799 oldval = this->bbt[(block >> 3)];
@@ -815,7 +813,8 @@ static void mark_bbt_region (struct mtd_info *mtd, struct nand_bbt_descr *td)
815 oldval = this->bbt[(block >> 3)]; 813 oldval = this->bbt[(block >> 3)];
816 newval = oldval | (0x2 << (block & 0x06)); 814 newval = oldval | (0x2 << (block & 0x06));
817 this->bbt[(block >> 3)] = newval; 815 this->bbt[(block >> 3)] = newval;
818 if (oldval != newval) update = 1; 816 if (oldval != newval)
817 update = 1;
819 block += 2; 818 block += 2;
820 } 819 }
821 /* If we want reserved blocks to be recorded to flash, and some 820 /* If we want reserved blocks to be recorded to flash, and some
@@ -840,7 +839,7 @@ static void mark_bbt_region (struct mtd_info *mtd, struct nand_bbt_descr *td)
840 * by calling the nand_free_bbt function. 839 * by calling the nand_free_bbt function.
841 * 840 *
842*/ 841*/
843int nand_scan_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd) 842int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)
844{ 843{
845 struct nand_chip *this = mtd->priv; 844 struct nand_chip *this = mtd->priv;
846 int len, res = 0; 845 int len, res = 0;
@@ -850,21 +849,21 @@ int nand_scan_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd)
850 849
851 len = mtd->size >> (this->bbt_erase_shift + 2); 850 len = mtd->size >> (this->bbt_erase_shift + 2);
852 /* Allocate memory (2bit per block) */ 851 /* Allocate memory (2bit per block) */
853 this->bbt = kmalloc (len, GFP_KERNEL); 852 this->bbt = kmalloc(len, GFP_KERNEL);
854 if (!this->bbt) { 853 if (!this->bbt) {
855 printk (KERN_ERR "nand_scan_bbt: Out of memory\n"); 854 printk(KERN_ERR "nand_scan_bbt: Out of memory\n");
856 return -ENOMEM; 855 return -ENOMEM;
857 } 856 }
858 /* Clear the memory bad block table */ 857 /* Clear the memory bad block table */
859 memset (this->bbt, 0x00, len); 858 memset(this->bbt, 0x00, len);
860 859
861 /* If no primary table decriptor is given, scan the device 860 /* If no primary table decriptor is given, scan the device
862 * to build a memory based bad block table 861 * to build a memory based bad block table
863 */ 862 */
864 if (!td) { 863 if (!td) {
865 if ((res = nand_memory_bbt(mtd, bd))) { 864 if ((res = nand_memory_bbt(mtd, bd))) {
866 printk (KERN_ERR "nand_bbt: Can't scan flash and build the RAM-based BBT\n"); 865 printk(KERN_ERR "nand_bbt: Can't scan flash and build the RAM-based BBT\n");
867 kfree (this->bbt); 866 kfree(this->bbt);
868 this->bbt = NULL; 867 this->bbt = NULL;
869 } 868 }
870 return res; 869 return res;
@@ -875,33 +874,32 @@ int nand_scan_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd)
875 len += (len >> this->page_shift) * mtd->oobsize; 874 len += (len >> this->page_shift) * mtd->oobsize;
876 buf = vmalloc(len); 875 buf = vmalloc(len);
877 if (!buf) { 876 if (!buf) {
878 printk (KERN_ERR "nand_bbt: Out of memory\n"); 877 printk(KERN_ERR "nand_bbt: Out of memory\n");
879 kfree (this->bbt); 878 kfree(this->bbt);
880 this->bbt = NULL; 879 this->bbt = NULL;
881 return -ENOMEM; 880 return -ENOMEM;
882 } 881 }
883 882
884 /* Is the bbt at a given page ? */ 883 /* Is the bbt at a given page ? */
885 if (td->options & NAND_BBT_ABSPAGE) { 884 if (td->options & NAND_BBT_ABSPAGE) {
886 res = read_abs_bbts (mtd, buf, td, md); 885 res = read_abs_bbts(mtd, buf, td, md);
887 } else { 886 } else {
888 /* Search the bad block table using a pattern in oob */ 887 /* Search the bad block table using a pattern in oob */
889 res = search_read_bbts (mtd, buf, td, md); 888 res = search_read_bbts(mtd, buf, td, md);
890 } 889 }
891 890
892 if (res) 891 if (res)
893 res = check_create (mtd, buf, bd); 892 res = check_create(mtd, buf, bd);
894 893
895 /* Prevent the bbt regions from erasing / writing */ 894 /* Prevent the bbt regions from erasing / writing */
896 mark_bbt_region (mtd, td); 895 mark_bbt_region(mtd, td);
897 if (md) 896 if (md)
898 mark_bbt_region (mtd, md); 897 mark_bbt_region(mtd, md);
899 898
900 vfree (buf); 899 vfree(buf);
901 return res; 900 return res;
902} 901}
903 902
904
905/** 903/**
906 * nand_update_bbt - [NAND Interface] update bad block table(s) 904 * nand_update_bbt - [NAND Interface] update bad block table(s)
907 * @mtd: MTD device structure 905 * @mtd: MTD device structure
@@ -909,7 +907,7 @@ int nand_scan_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd)
909 * 907 *
910 * The function updates the bad block table(s) 908 * The function updates the bad block table(s)
911*/ 909*/
912int nand_update_bbt (struct mtd_info *mtd, loff_t offs) 910int nand_update_bbt(struct mtd_info *mtd, loff_t offs)
913{ 911{
914 struct nand_chip *this = mtd->priv; 912 struct nand_chip *this = mtd->priv;
915 int len, res = 0, writeops = 0; 913 int len, res = 0, writeops = 0;
@@ -925,9 +923,9 @@ int nand_update_bbt (struct mtd_info *mtd, loff_t offs)
925 /* Allocate a temporary buffer for one eraseblock incl. oob */ 923 /* Allocate a temporary buffer for one eraseblock incl. oob */
926 len = (1 << this->bbt_erase_shift); 924 len = (1 << this->bbt_erase_shift);
927 len += (len >> this->page_shift) * mtd->oobsize; 925 len += (len >> this->page_shift) * mtd->oobsize;
928 buf = kmalloc (len, GFP_KERNEL); 926 buf = kmalloc(len, GFP_KERNEL);
929 if (!buf) { 927 if (!buf) {
930 printk (KERN_ERR "nand_update_bbt: Out of memory\n"); 928 printk(KERN_ERR "nand_update_bbt: Out of memory\n");
931 return -ENOMEM; 929 return -ENOMEM;
932 } 930 }
933 931
@@ -935,7 +933,7 @@ int nand_update_bbt (struct mtd_info *mtd, loff_t offs)
935 933
936 /* Do we have a bbt per chip ? */ 934 /* Do we have a bbt per chip ? */
937 if (td->options & NAND_BBT_PERCHIP) { 935 if (td->options & NAND_BBT_PERCHIP) {
938 chip = (int) (offs >> this->chip_shift); 936 chip = (int)(offs >> this->chip_shift);
939 chipsel = chip; 937 chipsel = chip;
940 } else { 938 } else {
941 chip = 0; 939 chip = 0;
@@ -948,17 +946,17 @@ int nand_update_bbt (struct mtd_info *mtd, loff_t offs)
948 946
949 /* Write the bad block table to the device ? */ 947 /* Write the bad block table to the device ? */
950 if ((writeops & 0x01) && (td->options & NAND_BBT_WRITE)) { 948 if ((writeops & 0x01) && (td->options & NAND_BBT_WRITE)) {
951 res = write_bbt (mtd, buf, td, md, chipsel); 949 res = write_bbt(mtd, buf, td, md, chipsel);
952 if (res < 0) 950 if (res < 0)
953 goto out; 951 goto out;
954 } 952 }
955 /* Write the mirror bad block table to the device ? */ 953 /* Write the mirror bad block table to the device ? */
956 if ((writeops & 0x02) && md && (md->options & NAND_BBT_WRITE)) { 954 if ((writeops & 0x02) && md && (md->options & NAND_BBT_WRITE)) {
957 res = write_bbt (mtd, buf, md, td, chipsel); 955 res = write_bbt(mtd, buf, md, td, chipsel);
958 } 956 }
959 957
960out: 958 out:
961 kfree (buf); 959 kfree(buf);
962 return res; 960 return res;
963} 961}
964 962
@@ -1036,7 +1034,7 @@ static struct nand_bbt_descr bbt_mirror_descr = {
1036 * support for the device and calls the nand_scan_bbt function 1034 * support for the device and calls the nand_scan_bbt function
1037 * 1035 *
1038*/ 1036*/
1039int nand_default_bbt (struct mtd_info *mtd) 1037int nand_default_bbt(struct mtd_info *mtd)
1040{ 1038{
1041 struct nand_chip *this = mtd->priv; 1039 struct nand_chip *this = mtd->priv;
1042 1040
@@ -1046,7 +1044,7 @@ int nand_default_bbt (struct mtd_info *mtd)
1046 * of the good / bad information, so we _must_ store 1044 * of the good / bad information, so we _must_ store
1047 * this information in a good / bad table during 1045 * this information in a good / bad table during
1048 * startup 1046 * startup
1049 */ 1047 */
1050 if (this->options & NAND_IS_AND) { 1048 if (this->options & NAND_IS_AND) {
1051 /* Use the default pattern descriptors */ 1049 /* Use the default pattern descriptors */
1052 if (!this->bbt_td) { 1050 if (!this->bbt_td) {
@@ -1054,10 +1052,9 @@ int nand_default_bbt (struct mtd_info *mtd)
1054 this->bbt_md = &bbt_mirror_descr; 1052 this->bbt_md = &bbt_mirror_descr;
1055 } 1053 }
1056 this->options |= NAND_USE_FLASH_BBT; 1054 this->options |= NAND_USE_FLASH_BBT;
1057 return nand_scan_bbt (mtd, &agand_flashbased); 1055 return nand_scan_bbt(mtd, &agand_flashbased);
1058 } 1056 }
1059 1057
1060
1061 /* Is a flash based bad block table requested ? */ 1058 /* Is a flash based bad block table requested ? */
1062 if (this->options & NAND_USE_FLASH_BBT) { 1059 if (this->options & NAND_USE_FLASH_BBT) {
1063 /* Use the default pattern descriptors */ 1060 /* Use the default pattern descriptors */
@@ -1066,18 +1063,17 @@ int nand_default_bbt (struct mtd_info *mtd)
1066 this->bbt_md = &bbt_mirror_descr; 1063 this->bbt_md = &bbt_mirror_descr;
1067 } 1064 }
1068 if (!this->badblock_pattern) { 1065 if (!this->badblock_pattern) {
1069 this->badblock_pattern = (mtd->oobblock > 512) ? 1066 this->badblock_pattern = (mtd->oobblock > 512) ? &largepage_flashbased : &smallpage_flashbased;
1070 &largepage_flashbased : &smallpage_flashbased;
1071 } 1067 }
1072 } else { 1068 } else {
1073 this->bbt_td = NULL; 1069 this->bbt_td = NULL;
1074 this->bbt_md = NULL; 1070 this->bbt_md = NULL;
1075 if (!this->badblock_pattern) { 1071 if (!this->badblock_pattern) {
1076 this->badblock_pattern = (mtd->oobblock > 512) ? 1072 this->badblock_pattern = (mtd->oobblock > 512) ?
1077 &largepage_memorybased : &smallpage_memorybased; 1073 &largepage_memorybased : &smallpage_memorybased;
1078 } 1074 }
1079 } 1075 }
1080 return nand_scan_bbt (mtd, this->badblock_pattern); 1076 return nand_scan_bbt(mtd, this->badblock_pattern);
1081} 1077}
1082 1078
1083/** 1079/**
@@ -1087,26 +1083,29 @@ int nand_default_bbt (struct mtd_info *mtd)
1087 * @allowbbt: allow access to bad block table region 1083 * @allowbbt: allow access to bad block table region
1088 * 1084 *
1089*/ 1085*/
1090int nand_isbad_bbt (struct mtd_info *mtd, loff_t offs, int allowbbt) 1086int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
1091{ 1087{
1092 struct nand_chip *this = mtd->priv; 1088 struct nand_chip *this = mtd->priv;
1093 int block; 1089 int block;
1094 uint8_t res; 1090 uint8_t res;
1095 1091
1096 /* Get block number * 2 */ 1092 /* Get block number * 2 */
1097 block = (int) (offs >> (this->bbt_erase_shift - 1)); 1093 block = (int)(offs >> (this->bbt_erase_shift - 1));
1098 res = (this->bbt[block >> 3] >> (block & 0x06)) & 0x03; 1094 res = (this->bbt[block >> 3] >> (block & 0x06)) & 0x03;
1099 1095
1100 DEBUG (MTD_DEBUG_LEVEL2, "nand_isbad_bbt(): bbt info for offs 0x%08x: (block %d) 0x%02x\n", 1096 DEBUG(MTD_DEBUG_LEVEL2, "nand_isbad_bbt(): bbt info for offs 0x%08x: (block %d) 0x%02x\n",
1101 (unsigned int)offs, block >> 1, res); 1097 (unsigned int)offs, block >> 1, res);
1102 1098
1103 switch ((int)res) { 1099 switch ((int)res) {
1104 case 0x00: return 0; 1100 case 0x00:
1105 case 0x01: return 1; 1101 return 0;
1106 case 0x02: return allowbbt ? 0 : 1; 1102 case 0x01:
1103 return 1;
1104 case 0x02:
1105 return allowbbt ? 0 : 1;
1107 } 1106 }
1108 return 1; 1107 return 1;
1109} 1108}
1110 1109
1111EXPORT_SYMBOL (nand_scan_bbt); 1110EXPORT_SYMBOL(nand_scan_bbt);
1112EXPORT_SYMBOL (nand_default_bbt); 1111EXPORT_SYMBOL(nand_default_bbt);
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index 40ac909150a3..101892985b02 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -62,7 +62,6 @@ static const u_char nand_ecc_precalc_table[] = {
62 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00 62 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00
63}; 63};
64 64
65
66/** 65/**
67 * nand_trans_result - [GENERIC] create non-inverted ECC 66 * nand_trans_result - [GENERIC] create non-inverted ECC
68 * @reg2: line parity reg 2 67 * @reg2: line parity reg 2
@@ -71,8 +70,7 @@ static const u_char nand_ecc_precalc_table[] = {
71 * 70 *
72 * Creates non-inverted ECC code from line parity 71 * Creates non-inverted ECC code from line parity
73 */ 72 */
74static void nand_trans_result(u_char reg2, u_char reg3, 73static void nand_trans_result(u_char reg2, u_char reg3, u_char *ecc_code)
75 u_char *ecc_code)
76{ 74{
77 u_char a, b, i, tmp1, tmp2; 75 u_char a, b, i, tmp1, tmp2;
78 76
@@ -82,10 +80,10 @@ static void nand_trans_result(u_char reg2, u_char reg3,
82 80
83 /* Calculate first ECC byte */ 81 /* Calculate first ECC byte */
84 for (i = 0; i < 4; i++) { 82 for (i = 0; i < 4; i++) {
85 if (reg3 & a) /* LP15,13,11,9 --> ecc_code[0] */ 83 if (reg3 & a) /* LP15,13,11,9 --> ecc_code[0] */
86 tmp1 |= b; 84 tmp1 |= b;
87 b >>= 1; 85 b >>= 1;
88 if (reg2 & a) /* LP14,12,10,8 --> ecc_code[0] */ 86 if (reg2 & a) /* LP14,12,10,8 --> ecc_code[0] */
89 tmp1 |= b; 87 tmp1 |= b;
90 b >>= 1; 88 b >>= 1;
91 a >>= 1; 89 a >>= 1;
@@ -94,10 +92,10 @@ static void nand_trans_result(u_char reg2, u_char reg3,
94 /* Calculate second ECC byte */ 92 /* Calculate second ECC byte */
95 b = 0x80; 93 b = 0x80;
96 for (i = 0; i < 4; i++) { 94 for (i = 0; i < 4; i++) {
97 if (reg3 & a) /* LP7,5,3,1 --> ecc_code[1] */ 95 if (reg3 & a) /* LP7,5,3,1 --> ecc_code[1] */
98 tmp2 |= b; 96 tmp2 |= b;
99 b >>= 1; 97 b >>= 1;
100 if (reg2 & a) /* LP6,4,2,0 --> ecc_code[1] */ 98 if (reg2 & a) /* LP6,4,2,0 --> ecc_code[1] */
101 tmp2 |= b; 99 tmp2 |= b;
102 b >>= 1; 100 b >>= 1;
103 a >>= 1; 101 a >>= 1;
@@ -124,7 +122,7 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code
124 ecc_code[0] = ecc_code[1] = ecc_code[2] = 0; 122 ecc_code[0] = ecc_code[1] = ecc_code[2] = 0;
125 123
126 /* Build up column parity */ 124 /* Build up column parity */
127 for(j = 0; j < 256; j++) { 125 for (j = 0; j < 256; j++) {
128 126
129 /* Get CP0 - CP5 from table */ 127 /* Get CP0 - CP5 from table */
130 idx = nand_ecc_precalc_table[dat[j]]; 128 idx = nand_ecc_precalc_table[dat[j]];
@@ -168,8 +166,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
168 if ((d1 | d2 | d3) == 0) { 166 if ((d1 | d2 | d3) == 0) {
169 /* No errors */ 167 /* No errors */
170 return 0; 168 return 0;
171 } 169 } else {
172 else {
173 a = (d1 ^ (d1 >> 1)) & 0x55; 170 a = (d1 ^ (d1 >> 1)) & 0x55;
174 b = (d2 ^ (d2 >> 1)) & 0x55; 171 b = (d2 ^ (d2 >> 1)) & 0x55;
175 c = (d3 ^ (d3 >> 1)) & 0x54; 172 c = (d3 ^ (d3 >> 1)) & 0x54;
@@ -179,14 +176,14 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
179 c = 0x80; 176 c = 0x80;
180 add = 0; 177 add = 0;
181 a = 0x80; 178 a = 0x80;
182 for (i=0; i<4; i++) { 179 for (i = 0; i < 4; i++) {
183 if (d1 & c) 180 if (d1 & c)
184 add |= a; 181 add |= a;
185 c >>= 2; 182 c >>= 2;
186 a >>= 1; 183 a >>= 1;
187 } 184 }
188 c = 0x80; 185 c = 0x80;
189 for (i=0; i<4; i++) { 186 for (i = 0; i < 4; i++) {
190 if (d2 & c) 187 if (d2 & c)
191 add |= a; 188 add |= a;
192 c >>= 2; 189 c >>= 2;
@@ -195,7 +192,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
195 bit = 0; 192 bit = 0;
196 b = 0x04; 193 b = 0x04;
197 c = 0x80; 194 c = 0x80;
198 for (i=0; i<3; i++) { 195 for (i = 0; i < 3; i++) {
199 if (d3 & c) 196 if (d3 & c)
200 bit |= b; 197 bit |= b;
201 c >>= 2; 198 c >>= 2;
@@ -206,8 +203,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
206 a ^= (b << bit); 203 a ^= (b << bit);
207 dat[add] = a; 204 dat[add] = a;
208 return 1; 205 return 1;
209 } 206 } else {
210 else {
211 i = 0; 207 i = 0;
212 while (d1) { 208 while (d1) {
213 if (d1 & 0x01) 209 if (d1 & 0x01)
@@ -230,8 +226,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
230 read_ecc[1] = calc_ecc[1]; 226 read_ecc[1] = calc_ecc[1];
231 read_ecc[2] = calc_ecc[2]; 227 read_ecc[2] = calc_ecc[2];
232 return 2; 228 return 2;
233 } 229 } else {
234 else {
235 /* Uncorrectable Error */ 230 /* Uncorrectable Error */
236 return -1; 231 return -1;
237 } 232 }
diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c
index dbc7e55a4247..a9d52fc6e5d7 100644
--- a/drivers/mtd/nand/nand_ids.c
+++ b/drivers/mtd/nand/nand_ids.c
@@ -125,13 +125,13 @@ struct nand_manufacturers nand_manuf_ids[] = {
125 {NAND_MFR_NATIONAL, "National"}, 125 {NAND_MFR_NATIONAL, "National"},
126 {NAND_MFR_RENESAS, "Renesas"}, 126 {NAND_MFR_RENESAS, "Renesas"},
127 {NAND_MFR_STMICRO, "ST Micro"}, 127 {NAND_MFR_STMICRO, "ST Micro"},
128 {NAND_MFR_HYNIX, "Hynix"}, 128 {NAND_MFR_HYNIX, "Hynix"},
129 {0x0, "Unknown"} 129 {0x0, "Unknown"}
130}; 130};
131 131
132EXPORT_SYMBOL (nand_manuf_ids); 132EXPORT_SYMBOL(nand_manuf_ids);
133EXPORT_SYMBOL (nand_flash_ids); 133EXPORT_SYMBOL(nand_flash_ids);
134 134
135MODULE_LICENSE ("GPL"); 135MODULE_LICENSE("GPL");
136MODULE_AUTHOR ("Thomas Gleixner <tglx@linutronix.de>"); 136MODULE_AUTHOR("Thomas Gleixner <tglx@linutronix.de>");
137MODULE_DESCRIPTION ("Nand device & manufacturer ID's"); 137MODULE_DESCRIPTION("Nand device & manufacturer IDs");
diff --git a/drivers/mtd/nand/ppchameleonevb.c b/drivers/mtd/nand/ppchameleonevb.c
index 91a95f34a6ee..405beece9c5a 100644
--- a/drivers/mtd/nand/ppchameleonevb.c
+++ b/drivers/mtd/nand/ppchameleonevb.c
@@ -58,21 +58,21 @@
58/* 58/*
59 * MTD structure for PPChameleonEVB board 59 * MTD structure for PPChameleonEVB board
60 */ 60 */
61static struct mtd_info *ppchameleon_mtd = NULL; 61static struct mtd_info *ppchameleon_mtd = NULL;
62static struct mtd_info *ppchameleonevb_mtd = NULL; 62static struct mtd_info *ppchameleonevb_mtd = NULL;
63 63
64/* 64/*
65 * Module stuff 65 * Module stuff
66 */ 66 */
67static unsigned long ppchameleon_fio_pbase = CFG_NAND0_PADDR; 67static unsigned long ppchameleon_fio_pbase = CFG_NAND0_PADDR;
68static unsigned long ppchameleonevb_fio_pbase = CFG_NAND1_PADDR; 68static unsigned long ppchameleonevb_fio_pbase = CFG_NAND1_PADDR;
69 69
70#ifdef MODULE 70#ifdef MODULE
71module_param(ppchameleon_fio_pbase, ulong, 0); 71module_param(ppchameleon_fio_pbase, ulong, 0);
72module_param(ppchameleonevb_fio_pbase, ulong, 0); 72module_param(ppchameleonevb_fio_pbase, ulong, 0);
73#else 73#else
74__setup("ppchameleon_fio_pbase=",ppchameleon_fio_pbase); 74__setup("ppchameleon_fio_pbase=", ppchameleon_fio_pbase);
75__setup("ppchameleonevb_fio_pbase=",ppchameleonevb_fio_pbase); 75__setup("ppchameleonevb_fio_pbase=", ppchameleonevb_fio_pbase);
76#endif 76#endif
77 77
78#ifdef CONFIG_MTD_PARTITIONS 78#ifdef CONFIG_MTD_PARTITIONS
@@ -80,80 +80,80 @@ __setup("ppchameleonevb_fio_pbase=",ppchameleonevb_fio_pbase);
80 * Define static partitions for flash devices 80 * Define static partitions for flash devices
81 */ 81 */
82static struct mtd_partition partition_info_hi[] = { 82static struct mtd_partition partition_info_hi[] = {
83 { name: "PPChameleon HI Nand Flash", 83 { .name = "PPChameleon HI Nand Flash",
84 offset: 0, 84 offset = 0,
85 size: 128*1024*1024 } 85 .size = 128 * 1024 * 1024
86 }
86}; 87};
87 88
88static struct mtd_partition partition_info_me[] = { 89static struct mtd_partition partition_info_me[] = {
89 { name: "PPChameleon ME Nand Flash", 90 { .name = "PPChameleon ME Nand Flash",
90 offset: 0, 91 .offset = 0,
91 size: 32*1024*1024 } 92 .size = 32 * 1024 * 1024
93 }
92}; 94};
93 95
94static struct mtd_partition partition_info_evb[] = { 96static struct mtd_partition partition_info_evb[] = {
95 { name: "PPChameleonEVB Nand Flash", 97 { .name = "PPChameleonEVB Nand Flash",
96 offset: 0, 98 .offset = 0,
97 size: 32*1024*1024 } 99 .size = 32 * 1024 * 1024
100 }
98}; 101};
99 102
100#define NUM_PARTITIONS 1 103#define NUM_PARTITIONS 1
101 104
102extern int parse_cmdline_partitions(struct mtd_info *master, 105extern int parse_cmdline_partitions(struct mtd_info *master, struct mtd_partition **pparts, const char *mtd_id);
103 struct mtd_partition **pparts,
104 const char *mtd_id);
105#endif 106#endif
106 107
107
108/* 108/*
109 * hardware specific access to control-lines 109 * hardware specific access to control-lines
110 */ 110 */
111static void ppchameleon_hwcontrol(struct mtd_info *mtdinfo, int cmd) 111static void ppchameleon_hwcontrol(struct mtd_info *mtdinfo, int cmd)
112{ 112{
113 switch(cmd) { 113 switch (cmd) {
114 114
115 case NAND_CTL_SETCLE: 115 case NAND_CTL_SETCLE:
116 MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND0_PADDR); 116 MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND0_PADDR);
117 break; 117 break;
118 case NAND_CTL_CLRCLE: 118 case NAND_CTL_CLRCLE:
119 MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND0_PADDR); 119 MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND0_PADDR);
120 break; 120 break;
121 case NAND_CTL_SETALE: 121 case NAND_CTL_SETALE:
122 MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND0_PADDR); 122 MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND0_PADDR);
123 break; 123 break;
124 case NAND_CTL_CLRALE: 124 case NAND_CTL_CLRALE:
125 MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND0_PADDR); 125 MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND0_PADDR);
126 break; 126 break;
127 case NAND_CTL_SETNCE: 127 case NAND_CTL_SETNCE:
128 MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND0_PADDR); 128 MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND0_PADDR);
129 break; 129 break;
130 case NAND_CTL_CLRNCE: 130 case NAND_CTL_CLRNCE:
131 MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND0_PADDR); 131 MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND0_PADDR);
132 break; 132 break;
133 } 133 }
134} 134}
135 135
136static void ppchameleonevb_hwcontrol(struct mtd_info *mtdinfo, int cmd) 136static void ppchameleonevb_hwcontrol(struct mtd_info *mtdinfo, int cmd)
137{ 137{
138 switch(cmd) { 138 switch (cmd) {
139 139
140 case NAND_CTL_SETCLE: 140 case NAND_CTL_SETCLE:
141 MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND1_PADDR); 141 MACRO_NAND_CTL_SETCLE((unsigned long)CFG_NAND1_PADDR);
142 break; 142 break;
143 case NAND_CTL_CLRCLE: 143 case NAND_CTL_CLRCLE:
144 MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND1_PADDR); 144 MACRO_NAND_CTL_CLRCLE((unsigned long)CFG_NAND1_PADDR);
145 break; 145 break;
146 case NAND_CTL_SETALE: 146 case NAND_CTL_SETALE:
147 MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND1_PADDR); 147 MACRO_NAND_CTL_SETALE((unsigned long)CFG_NAND1_PADDR);
148 break; 148 break;
149 case NAND_CTL_CLRALE: 149 case NAND_CTL_CLRALE:
150 MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND1_PADDR); 150 MACRO_NAND_CTL_CLRALE((unsigned long)CFG_NAND1_PADDR);
151 break; 151 break;
152 case NAND_CTL_SETNCE: 152 case NAND_CTL_SETNCE:
153 MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND1_PADDR); 153 MACRO_NAND_ENABLE_CE((unsigned long)CFG_NAND1_PADDR);
154 break; 154 break;
155 case NAND_CTL_CLRNCE: 155 case NAND_CTL_CLRNCE:
156 MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND1_PADDR); 156 MACRO_NAND_DISABLE_CE((unsigned long)CFG_NAND1_PADDR);
157 break; 157 break;
158 } 158 }
159} 159}
@@ -164,15 +164,15 @@ static void ppchameleonevb_hwcontrol(struct mtd_info *mtdinfo, int cmd)
164 */ 164 */
165static int ppchameleon_device_ready(struct mtd_info *minfo) 165static int ppchameleon_device_ready(struct mtd_info *minfo)
166{ 166{
167 if (in_be32((volatile unsigned*)GPIO0_IR) & NAND_RB_GPIO_PIN) 167 if (in_be32((volatile unsigned *)GPIO0_IR) & NAND_RB_GPIO_PIN)
168 return 1; 168 return 1;
169 return 0; 169 return 0;
170} 170}
171 171
172static int ppchameleonevb_device_ready(struct mtd_info *minfo) 172static int ppchameleonevb_device_ready(struct mtd_info *minfo)
173{ 173{
174 if (in_be32((volatile unsigned*)GPIO0_IR) & NAND_EVB_RB_GPIO_PIN) 174 if (in_be32((volatile unsigned *)GPIO0_IR) & NAND_EVB_RB_GPIO_PIN)
175 return 1; 175 return 1;
176 return 0; 176 return 0;
177} 177}
178#endif 178#endif
@@ -185,7 +185,7 @@ const char *part_probes_evb[] = { "cmdlinepart", NULL };
185/* 185/*
186 * Main initialization routine 186 * Main initialization routine
187 */ 187 */
188static int __init ppchameleonevb_init (void) 188static int __init ppchameleonevb_init(void)
189{ 189{
190 struct nand_chip *this; 190 struct nand_chip *this;
191 const char *part_type = 0; 191 const char *part_type = 0;
@@ -194,13 +194,11 @@ static int __init ppchameleonevb_init (void)
194 void __iomem *ppchameleon_fio_base; 194 void __iomem *ppchameleon_fio_base;
195 void __iomem *ppchameleonevb_fio_base; 195 void __iomem *ppchameleonevb_fio_base;
196 196
197
198 /********************************* 197 /*********************************
199 * Processor module NAND (if any) * 198 * Processor module NAND (if any) *
200 *********************************/ 199 *********************************/
201 /* Allocate memory for MTD device structure and private data */ 200 /* Allocate memory for MTD device structure and private data */
202 ppchameleon_mtd = kmalloc(sizeof(struct mtd_info) + 201 ppchameleon_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
203 sizeof(struct nand_chip), GFP_KERNEL);
204 if (!ppchameleon_mtd) { 202 if (!ppchameleon_mtd) {
205 printk("Unable to allocate PPChameleon NAND MTD device structure.\n"); 203 printk("Unable to allocate PPChameleon NAND MTD device structure.\n");
206 return -ENOMEM; 204 return -ENOMEM;
@@ -208,43 +206,45 @@ static int __init ppchameleonevb_init (void)
208 206
209 /* map physical address */ 207 /* map physical address */
210 ppchameleon_fio_base = ioremap(ppchameleon_fio_pbase, SZ_4M); 208 ppchameleon_fio_base = ioremap(ppchameleon_fio_pbase, SZ_4M);
211 if(!ppchameleon_fio_base) { 209 if (!ppchameleon_fio_base) {
212 printk("ioremap PPChameleon NAND flash failed\n"); 210 printk("ioremap PPChameleon NAND flash failed\n");
213 kfree(ppchameleon_mtd); 211 kfree(ppchameleon_mtd);
214 return -EIO; 212 return -EIO;
215 } 213 }
216 214
217 /* Get pointer to private data */ 215 /* Get pointer to private data */
218 this = (struct nand_chip *) (&ppchameleon_mtd[1]); 216 this = (struct nand_chip *)(&ppchameleon_mtd[1]);
219 217
220 /* Initialize structures */ 218 /* Initialize structures */
221 memset((char *) ppchameleon_mtd, 0, sizeof(struct mtd_info)); 219 memset(ppchameleon_mtd, 0, sizeof(struct mtd_info));
222 memset((char *) this, 0, sizeof(struct nand_chip)); 220 memset(this, 0, sizeof(struct nand_chip));
223 221
224 /* Link the private data with the MTD structure */ 222 /* Link the private data with the MTD structure */
225 ppchameleon_mtd->priv = this; 223 ppchameleon_mtd->priv = this;
226 224
227 /* Initialize GPIOs */ 225 /* Initialize GPIOs */
228 /* Pin mapping for NAND chip */ 226 /* Pin mapping for NAND chip */
229 /* 227 /*
230 CE GPIO_01 228 CE GPIO_01
231 CLE GPIO_02 229 CLE GPIO_02
232 ALE GPIO_03 230 ALE GPIO_03
233 R/B GPIO_04 231 R/B GPIO_04
234 */ 232 */
235 /* output select */ 233 /* output select */
236 out_be32((volatile unsigned*)GPIO0_OSRH, in_be32((volatile unsigned*)GPIO0_OSRH) & 0xC0FFFFFF); 234 out_be32((volatile unsigned *)GPIO0_OSRH, in_be32((volatile unsigned *)GPIO0_OSRH) & 0xC0FFFFFF);
237 /* three-state select */ 235 /* three-state select */
238 out_be32((volatile unsigned*)GPIO0_TSRH, in_be32((volatile unsigned*)GPIO0_TSRH) & 0xC0FFFFFF); 236 out_be32((volatile unsigned *)GPIO0_TSRH, in_be32((volatile unsigned *)GPIO0_TSRH) & 0xC0FFFFFF);
239 /* enable output driver */ 237 /* enable output driver */
240 out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) | NAND_nCE_GPIO_PIN | NAND_CLE_GPIO_PIN | NAND_ALE_GPIO_PIN); 238 out_be32((volatile unsigned *)GPIO0_TCR,
239 in_be32((volatile unsigned *)GPIO0_TCR) | NAND_nCE_GPIO_PIN | NAND_CLE_GPIO_PIN | NAND_ALE_GPIO_PIN);
241#ifdef USE_READY_BUSY_PIN 240#ifdef USE_READY_BUSY_PIN
242 /* three-state select */ 241 /* three-state select */
243 out_be32((volatile unsigned*)GPIO0_TSRH, in_be32((volatile unsigned*)GPIO0_TSRH) & 0xFF3FFFFF); 242 out_be32((volatile unsigned *)GPIO0_TSRH, in_be32((volatile unsigned *)GPIO0_TSRH) & 0xFF3FFFFF);
244 /* high-impedecence */ 243 /* high-impedecence */
245 out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) & (~NAND_RB_GPIO_PIN)); 244 out_be32((volatile unsigned *)GPIO0_TCR, in_be32((volatile unsigned *)GPIO0_TCR) & (~NAND_RB_GPIO_PIN));
246 /* input select */ 245 /* input select */
247 out_be32((volatile unsigned*)GPIO0_ISR1H, (in_be32((volatile unsigned*)GPIO0_ISR1H) & 0xFF3FFFFF) | 0x00400000); 246 out_be32((volatile unsigned *)GPIO0_ISR1H,
247 (in_be32((volatile unsigned *)GPIO0_ISR1H) & 0xFF3FFFFF) | 0x00400000);
248#endif 248#endif
249 249
250 /* insert callbacks */ 250 /* insert callbacks */
@@ -259,12 +259,11 @@ static int __init ppchameleonevb_init (void)
259 this->eccmode = NAND_ECC_SOFT; 259 this->eccmode = NAND_ECC_SOFT;
260 260
261 /* Scan to find existence of the device (it could not be mounted) */ 261 /* Scan to find existence of the device (it could not be mounted) */
262 if (nand_scan (ppchameleon_mtd, 1)) { 262 if (nand_scan(ppchameleon_mtd, 1)) {
263 iounmap((void *)ppchameleon_fio_base); 263 iounmap((void *)ppchameleon_fio_base);
264 kfree (ppchameleon_mtd); 264 kfree(ppchameleon_mtd);
265 goto nand_evb_init; 265 goto nand_evb_init;
266 } 266 }
267
268#ifndef USE_READY_BUSY_PIN 267#ifndef USE_READY_BUSY_PIN
269 /* Adjust delay if necessary */ 268 /* Adjust delay if necessary */
270 if (ppchameleon_mtd->size == NAND_SMALL_SIZE) 269 if (ppchameleon_mtd->size == NAND_SMALL_SIZE)
@@ -275,12 +274,11 @@ static int __init ppchameleonevb_init (void)
275 ppchameleon_mtd->name = "ppchameleon-nand"; 274 ppchameleon_mtd->name = "ppchameleon-nand";
276 mtd_parts_nb = parse_mtd_partitions(ppchameleon_mtd, part_probes, &mtd_parts, 0); 275 mtd_parts_nb = parse_mtd_partitions(ppchameleon_mtd, part_probes, &mtd_parts, 0);
277 if (mtd_parts_nb > 0) 276 if (mtd_parts_nb > 0)
278 part_type = "command line"; 277 part_type = "command line";
279 else 278 else
280 mtd_parts_nb = 0; 279 mtd_parts_nb = 0;
281#endif 280#endif
282 if (mtd_parts_nb == 0) 281 if (mtd_parts_nb == 0) {
283 {
284 if (ppchameleon_mtd->size == NAND_SMALL_SIZE) 282 if (ppchameleon_mtd->size == NAND_SMALL_SIZE)
285 mtd_parts = partition_info_me; 283 mtd_parts = partition_info_me;
286 else 284 else
@@ -293,13 +291,12 @@ static int __init ppchameleonevb_init (void)
293 printk(KERN_NOTICE "Using %s partition definition\n", part_type); 291 printk(KERN_NOTICE "Using %s partition definition\n", part_type);
294 add_mtd_partitions(ppchameleon_mtd, mtd_parts, mtd_parts_nb); 292 add_mtd_partitions(ppchameleon_mtd, mtd_parts, mtd_parts_nb);
295 293
296nand_evb_init: 294 nand_evb_init:
297 /**************************** 295 /****************************
298 * EVB NAND (always present) * 296 * EVB NAND (always present) *
299 ****************************/ 297 ****************************/
300 /* Allocate memory for MTD device structure and private data */ 298 /* Allocate memory for MTD device structure and private data */
301 ppchameleonevb_mtd = kmalloc(sizeof(struct mtd_info) + 299 ppchameleonevb_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
302 sizeof(struct nand_chip), GFP_KERNEL);
303 if (!ppchameleonevb_mtd) { 300 if (!ppchameleonevb_mtd) {
304 printk("Unable to allocate PPChameleonEVB NAND MTD device structure.\n"); 301 printk("Unable to allocate PPChameleonEVB NAND MTD device structure.\n");
305 return -ENOMEM; 302 return -ENOMEM;
@@ -307,46 +304,47 @@ nand_evb_init:
307 304
308 /* map physical address */ 305 /* map physical address */
309 ppchameleonevb_fio_base = ioremap(ppchameleonevb_fio_pbase, SZ_4M); 306 ppchameleonevb_fio_base = ioremap(ppchameleonevb_fio_pbase, SZ_4M);
310 if(!ppchameleonevb_fio_base) { 307 if (!ppchameleonevb_fio_base) {
311 printk("ioremap PPChameleonEVB NAND flash failed\n"); 308 printk("ioremap PPChameleonEVB NAND flash failed\n");
312 kfree(ppchameleonevb_mtd); 309 kfree(ppchameleonevb_mtd);
313 return -EIO; 310 return -EIO;
314 } 311 }
315 312
316 /* Get pointer to private data */ 313 /* Get pointer to private data */
317 this = (struct nand_chip *) (&ppchameleonevb_mtd[1]); 314 this = (struct nand_chip *)(&ppchameleonevb_mtd[1]);
318 315
319 /* Initialize structures */ 316 /* Initialize structures */
320 memset((char *) ppchameleonevb_mtd, 0, sizeof(struct mtd_info)); 317 memset(ppchameleonevb_mtd, 0, sizeof(struct mtd_info));
321 memset((char *) this, 0, sizeof(struct nand_chip)); 318 memset(this, 0, sizeof(struct nand_chip));
322 319
323 /* Link the private data with the MTD structure */ 320 /* Link the private data with the MTD structure */
324 ppchameleonevb_mtd->priv = this; 321 ppchameleonevb_mtd->priv = this;
325 322
326 /* Initialize GPIOs */ 323 /* Initialize GPIOs */
327 /* Pin mapping for NAND chip */ 324 /* Pin mapping for NAND chip */
328 /* 325 /*
329 CE GPIO_14 326 CE GPIO_14
330 CLE GPIO_15 327 CLE GPIO_15
331 ALE GPIO_16 328 ALE GPIO_16
332 R/B GPIO_31 329 R/B GPIO_31
333 */ 330 */
334 /* output select */ 331 /* output select */
335 out_be32((volatile unsigned*)GPIO0_OSRH, in_be32((volatile unsigned*)GPIO0_OSRH) & 0xFFFFFFF0); 332 out_be32((volatile unsigned *)GPIO0_OSRH, in_be32((volatile unsigned *)GPIO0_OSRH) & 0xFFFFFFF0);
336 out_be32((volatile unsigned*)GPIO0_OSRL, in_be32((volatile unsigned*)GPIO0_OSRL) & 0x3FFFFFFF); 333 out_be32((volatile unsigned *)GPIO0_OSRL, in_be32((volatile unsigned *)GPIO0_OSRL) & 0x3FFFFFFF);
337 /* three-state select */ 334 /* three-state select */
338 out_be32((volatile unsigned*)GPIO0_TSRH, in_be32((volatile unsigned*)GPIO0_TSRH) & 0xFFFFFFF0); 335 out_be32((volatile unsigned *)GPIO0_TSRH, in_be32((volatile unsigned *)GPIO0_TSRH) & 0xFFFFFFF0);
339 out_be32((volatile unsigned*)GPIO0_TSRL, in_be32((volatile unsigned*)GPIO0_TSRL) & 0x3FFFFFFF); 336 out_be32((volatile unsigned *)GPIO0_TSRL, in_be32((volatile unsigned *)GPIO0_TSRL) & 0x3FFFFFFF);
340 /* enable output driver */ 337 /* enable output driver */
341 out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) | NAND_EVB_nCE_GPIO_PIN | 338 out_be32((volatile unsigned *)GPIO0_TCR, in_be32((volatile unsigned *)GPIO0_TCR) | NAND_EVB_nCE_GPIO_PIN |
342 NAND_EVB_CLE_GPIO_PIN | NAND_EVB_ALE_GPIO_PIN); 339 NAND_EVB_CLE_GPIO_PIN | NAND_EVB_ALE_GPIO_PIN);
343#ifdef USE_READY_BUSY_PIN 340#ifdef USE_READY_BUSY_PIN
344 /* three-state select */ 341 /* three-state select */
345 out_be32((volatile unsigned*)GPIO0_TSRL, in_be32((volatile unsigned*)GPIO0_TSRL) & 0xFFFFFFFC); 342 out_be32((volatile unsigned *)GPIO0_TSRL, in_be32((volatile unsigned *)GPIO0_TSRL) & 0xFFFFFFFC);
346 /* high-impedecence */ 343 /* high-impedecence */
347 out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) & (~NAND_EVB_RB_GPIO_PIN)); 344 out_be32((volatile unsigned *)GPIO0_TCR, in_be32((volatile unsigned *)GPIO0_TCR) & (~NAND_EVB_RB_GPIO_PIN));
348 /* input select */ 345 /* input select */
349 out_be32((volatile unsigned*)GPIO0_ISR1L, (in_be32((volatile unsigned*)GPIO0_ISR1L) & 0xFFFFFFFC) | 0x00000001); 346 out_be32((volatile unsigned *)GPIO0_ISR1L,
347 (in_be32((volatile unsigned *)GPIO0_ISR1L) & 0xFFFFFFFC) | 0x00000001);
350#endif 348#endif
351 349
352 /* insert callbacks */ 350 /* insert callbacks */
@@ -362,22 +360,20 @@ nand_evb_init:
362 this->eccmode = NAND_ECC_SOFT; 360 this->eccmode = NAND_ECC_SOFT;
363 361
364 /* Scan to find existence of the device */ 362 /* Scan to find existence of the device */
365 if (nand_scan (ppchameleonevb_mtd, 1)) { 363 if (nand_scan(ppchameleonevb_mtd, 1)) {
366 iounmap((void *)ppchameleonevb_fio_base); 364 iounmap((void *)ppchameleonevb_fio_base);
367 kfree (ppchameleonevb_mtd); 365 kfree(ppchameleonevb_mtd);
368 return -ENXIO; 366 return -ENXIO;
369 } 367 }
370
371#ifdef CONFIG_MTD_PARTITIONS 368#ifdef CONFIG_MTD_PARTITIONS
372 ppchameleonevb_mtd->name = NAND_EVB_MTD_NAME; 369 ppchameleonevb_mtd->name = NAND_EVB_MTD_NAME;
373 mtd_parts_nb = parse_mtd_partitions(ppchameleonevb_mtd, part_probes_evb, &mtd_parts, 0); 370 mtd_parts_nb = parse_mtd_partitions(ppchameleonevb_mtd, part_probes_evb, &mtd_parts, 0);
374 if (mtd_parts_nb > 0) 371 if (mtd_parts_nb > 0)
375 part_type = "command line"; 372 part_type = "command line";
376 else 373 else
377 mtd_parts_nb = 0; 374 mtd_parts_nb = 0;
378#endif 375#endif
379 if (mtd_parts_nb == 0) 376 if (mtd_parts_nb == 0) {
380 {
381 mtd_parts = partition_info_evb; 377 mtd_parts = partition_info_evb;
382 mtd_parts_nb = NUM_PARTITIONS; 378 mtd_parts_nb = NUM_PARTITIONS;
383 part_type = "static"; 379 part_type = "static";
@@ -390,18 +386,19 @@ nand_evb_init:
390 /* Return happy */ 386 /* Return happy */
391 return 0; 387 return 0;
392} 388}
389
393module_init(ppchameleonevb_init); 390module_init(ppchameleonevb_init);
394 391
395/* 392/*
396 * Clean up routine 393 * Clean up routine
397 */ 394 */
398static void __exit ppchameleonevb_cleanup (void) 395static void __exit ppchameleonevb_cleanup(void)
399{ 396{
400 struct nand_chip *this; 397 struct nand_chip *this;
401 398
402 /* Release resources, unregister device(s) */ 399 /* Release resources, unregister device(s) */
403 nand_release (ppchameleon_mtd); 400 nand_release(ppchameleon_mtd);
404 nand_release (ppchameleonevb_mtd); 401 nand_release(ppchameleonevb_mtd);
405 402
406 /* Release iomaps */ 403 /* Release iomaps */
407 this = (struct nand_chip *) &ppchameleon_mtd[1]; 404 this = (struct nand_chip *) &ppchameleon_mtd[1];
diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c
index 4129c03dfd90..1887989fb885 100644
--- a/drivers/mtd/nand/rtc_from4.c
+++ b/drivers/mtd/nand/rtc_from4.c
@@ -97,12 +97,12 @@ static struct mtd_info *rtc_from4_mtd = NULL;
97static void __iomem *rtc_from4_fio_base = (void *)P2SEGADDR(RTC_FROM4_FIO_BASE); 97static void __iomem *rtc_from4_fio_base = (void *)P2SEGADDR(RTC_FROM4_FIO_BASE);
98 98
99static const struct mtd_partition partition_info[] = { 99static const struct mtd_partition partition_info[] = {
100 { 100 {
101 .name = "Renesas flash partition 1", 101 .name = "Renesas flash partition 1",
102 .offset = 0, 102 .offset = 0,
103 .size = MTDPART_SIZ_FULL 103 .size = MTDPART_SIZ_FULL},
104 },
105}; 104};
105
106#define NUM_PARTITIONS 1 106#define NUM_PARTITIONS 1
107 107
108/* 108/*
@@ -111,8 +111,8 @@ static const struct mtd_partition partition_info[] = {
111 * NAND_BBT_CREATE and/or NAND_BBT_WRITE 111 * NAND_BBT_CREATE and/or NAND_BBT_WRITE
112 * 112 *
113 */ 113 */
114static uint8_t bbt_pattern[] = {'B', 'b', 't', '0' }; 114static uint8_t bbt_pattern[] = { 'B', 'b', 't', '0' };
115static uint8_t mirror_pattern[] = {'1', 't', 'b', 'B' }; 115static uint8_t mirror_pattern[] = { '1', 't', 'b', 'B' };
116 116
117static struct nand_bbt_descr rtc_from4_bbt_main_descr = { 117static struct nand_bbt_descr rtc_from4_bbt_main_descr = {
118 .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE 118 .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
@@ -134,8 +134,6 @@ static struct nand_bbt_descr rtc_from4_bbt_mirror_descr = {
134 .pattern = mirror_pattern 134 .pattern = mirror_pattern
135}; 135};
136 136
137
138
139#ifdef RTC_FROM4_HWECC 137#ifdef RTC_FROM4_HWECC
140 138
141/* the Reed Solomon control structure */ 139/* the Reed Solomon control structure */
@@ -148,11 +146,11 @@ static struct nand_oobinfo rtc_from4_nand_oobinfo = {
148 .useecc = MTD_NANDECC_AUTOPLACE, 146 .useecc = MTD_NANDECC_AUTOPLACE,
149 .eccbytes = 32, 147 .eccbytes = 32,
150 .eccpos = { 148 .eccpos = {
151 0, 1, 2, 3, 4, 5, 6, 7, 149 0, 1, 2, 3, 4, 5, 6, 7,
152 8, 9, 10, 11, 12, 13, 14, 15, 150 8, 9, 10, 11, 12, 13, 14, 15,
153 16, 17, 18, 19, 20, 21, 22, 23, 151 16, 17, 18, 19, 20, 21, 22, 23,
154 24, 25, 26, 27, 28, 29, 30, 31}, 152 24, 25, 26, 27, 28, 29, 30, 31},
155 .oobfree = { {32, 32} } 153 .oobfree = {{32, 32}}
156}; 154};
157 155
158/* Aargh. I missed the reversed bit order, when I 156/* Aargh. I missed the reversed bit order, when I
@@ -162,44 +160,42 @@ static struct nand_oobinfo rtc_from4_nand_oobinfo = {
162 * of the ecc byte which we get from the FPGA 160 * of the ecc byte which we get from the FPGA
163 */ 161 */
164static uint8_t revbits[256] = { 162static uint8_t revbits[256] = {
165 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 163 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
166 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, 164 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
167 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 165 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
168 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 166 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
169 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 167 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
170 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, 168 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
171 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 169 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
172 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 170 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
173 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 171 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
174 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 172 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
175 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 173 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
176 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 174 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
177 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 175 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
178 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, 176 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
179 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 177 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
180 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 178 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
181 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 179 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
182 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, 180 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
183 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 181 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
184 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 182 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
185 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 183 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
186 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 184 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
187 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 185 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
188 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 186 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
189 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 187 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
190 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 188 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
191 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 189 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
192 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 190 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
193 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 191 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
194 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 192 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
195 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 193 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
196 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, 194 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
197}; 195};
198 196
199#endif 197#endif
200 198
201
202
203/* 199/*
204 * rtc_from4_hwcontrol - hardware specific access to control-lines 200 * rtc_from4_hwcontrol - hardware specific access to control-lines
205 * @mtd: MTD device structure 201 * @mtd: MTD device structure
@@ -214,9 +210,9 @@ static uint8_t revbits[256] = {
214 */ 210 */
215static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd) 211static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd)
216{ 212{
217 struct nand_chip* this = (struct nand_chip *) (mtd->priv); 213 struct nand_chip *this = (struct nand_chip *)(mtd->priv);
218 214
219 switch(cmd) { 215 switch (cmd) {
220 216
221 case NAND_CTL_SETCLE: 217 case NAND_CTL_SETCLE:
222 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_CLE); 218 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_CLE);
@@ -240,7 +236,6 @@ static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd)
240 } 236 }
241} 237}
242 238
243
244/* 239/*
245 * rtc_from4_nand_select_chip - hardware specific chip select 240 * rtc_from4_nand_select_chip - hardware specific chip select
246 * @mtd: MTD device structure 241 * @mtd: MTD device structure
@@ -252,26 +247,25 @@ static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd)
252 */ 247 */
253static void rtc_from4_nand_select_chip(struct mtd_info *mtd, int chip) 248static void rtc_from4_nand_select_chip(struct mtd_info *mtd, int chip)
254{ 249{
255 struct nand_chip *this = mtd->priv; 250 struct nand_chip *this = mtd->priv;
256 251
257 this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R & ~RTC_FROM4_NAND_ADDR_MASK); 252 this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R & ~RTC_FROM4_NAND_ADDR_MASK);
258 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W & ~RTC_FROM4_NAND_ADDR_MASK); 253 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W & ~RTC_FROM4_NAND_ADDR_MASK);
259 254
260 switch(chip) { 255 switch (chip) {
261 256
262 case 0: /* select slot 3 chip */ 257 case 0: /* select slot 3 chip */
263 this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R | RTC_FROM4_NAND_ADDR_SLOT3); 258 this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R | RTC_FROM4_NAND_ADDR_SLOT3);
264 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_NAND_ADDR_SLOT3); 259 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_NAND_ADDR_SLOT3);
265 break; 260 break;
266 case 1: /* select slot 4 chip */ 261 case 1: /* select slot 4 chip */
267 this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R | RTC_FROM4_NAND_ADDR_SLOT4); 262 this->IO_ADDR_R = (void __iomem *)((unsigned long)this->IO_ADDR_R | RTC_FROM4_NAND_ADDR_SLOT4);
268 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_NAND_ADDR_SLOT4); 263 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_NAND_ADDR_SLOT4);
269 break; 264 break;
270 265
271 } 266 }
272} 267}
273 268
274
275/* 269/*
276 * rtc_from4_nand_device_ready - hardware specific ready/busy check 270 * rtc_from4_nand_device_ready - hardware specific ready/busy check
277 * @mtd: MTD device structure 271 * @mtd: MTD device structure
@@ -290,7 +284,6 @@ static int rtc_from4_nand_device_ready(struct mtd_info *mtd)
290 284
291} 285}
292 286
293
294/* 287/*
295 * deplete - code to perform device recovery in case there was a power loss 288 * deplete - code to perform device recovery in case there was a power loss
296 * @mtd: MTD device structure 289 * @mtd: MTD device structure
@@ -306,24 +299,23 @@ static int rtc_from4_nand_device_ready(struct mtd_info *mtd)
306 */ 299 */
307static void deplete(struct mtd_info *mtd, int chip) 300static void deplete(struct mtd_info *mtd, int chip)
308{ 301{
309 struct nand_chip *this = mtd->priv; 302 struct nand_chip *this = mtd->priv;
310 303
311 /* wait until device is ready */ 304 /* wait until device is ready */
312 while (!this->dev_ready(mtd)); 305 while (!this->dev_ready(mtd)) ;
313 306
314 this->select_chip(mtd, chip); 307 this->select_chip(mtd, chip);
315 308
316 /* Send the commands for device recovery, phase 1 */ 309 /* Send the commands for device recovery, phase 1 */
317 this->cmdfunc (mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0000); 310 this->cmdfunc(mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0000);
318 this->cmdfunc (mtd, NAND_CMD_DEPLETE2, -1, -1); 311 this->cmdfunc(mtd, NAND_CMD_DEPLETE2, -1, -1);
319 312
320 /* Send the commands for device recovery, phase 2 */ 313 /* Send the commands for device recovery, phase 2 */
321 this->cmdfunc (mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0004); 314 this->cmdfunc(mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0004);
322 this->cmdfunc (mtd, NAND_CMD_DEPLETE2, -1, -1); 315 this->cmdfunc(mtd, NAND_CMD_DEPLETE2, -1, -1);
323 316
324} 317}
325 318
326
327#ifdef RTC_FROM4_HWECC 319#ifdef RTC_FROM4_HWECC
328/* 320/*
329 * rtc_from4_enable_hwecc - hardware specific hardware ECC enable function 321 * rtc_from4_enable_hwecc - hardware specific hardware ECC enable function
@@ -335,39 +327,35 @@ static void deplete(struct mtd_info *mtd, int chip)
335 */ 327 */
336static void rtc_from4_enable_hwecc(struct mtd_info *mtd, int mode) 328static void rtc_from4_enable_hwecc(struct mtd_info *mtd, int mode)
337{ 329{
338 volatile unsigned short * rs_ecc_ctl = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC_CTL); 330 volatile unsigned short *rs_ecc_ctl = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC_CTL);
339 unsigned short status; 331 unsigned short status;
340 332
341 switch (mode) { 333 switch (mode) {
342 case NAND_ECC_READ : 334 case NAND_ECC_READ:
343 status = RTC_FROM4_RS_ECC_CTL_CLR 335 status = RTC_FROM4_RS_ECC_CTL_CLR | RTC_FROM4_RS_ECC_CTL_FD_E;
344 | RTC_FROM4_RS_ECC_CTL_FD_E;
345 336
346 *rs_ecc_ctl = status; 337 *rs_ecc_ctl = status;
347 break; 338 break;
348 339
349 case NAND_ECC_READSYN : 340 case NAND_ECC_READSYN:
350 status = 0x00; 341 status = 0x00;
351 342
352 *rs_ecc_ctl = status; 343 *rs_ecc_ctl = status;
353 break; 344 break;
354 345
355 case NAND_ECC_WRITE : 346 case NAND_ECC_WRITE:
356 status = RTC_FROM4_RS_ECC_CTL_CLR 347 status = RTC_FROM4_RS_ECC_CTL_CLR | RTC_FROM4_RS_ECC_CTL_GEN | RTC_FROM4_RS_ECC_CTL_FD_E;
357 | RTC_FROM4_RS_ECC_CTL_GEN
358 | RTC_FROM4_RS_ECC_CTL_FD_E;
359 348
360 *rs_ecc_ctl = status; 349 *rs_ecc_ctl = status;
361 break; 350 break;
362 351
363 default: 352 default:
364 BUG(); 353 BUG();
365 break; 354 break;
366 } 355 }
367 356
368} 357}
369 358
370
371/* 359/*
372 * rtc_from4_calculate_ecc - hardware specific code to read ECC code 360 * rtc_from4_calculate_ecc - hardware specific code to read ECC code
373 * @mtd: MTD device structure 361 * @mtd: MTD device structure
@@ -383,7 +371,7 @@ static void rtc_from4_enable_hwecc(struct mtd_info *mtd, int mode)
383 */ 371 */
384static void rtc_from4_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code) 372static void rtc_from4_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
385{ 373{
386 volatile unsigned short * rs_eccn = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECCN); 374 volatile unsigned short *rs_eccn = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECCN);
387 unsigned short value; 375 unsigned short value;
388 int i; 376 int i;
389 377
@@ -395,7 +383,6 @@ static void rtc_from4_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_c
395 ecc_code[7] |= 0x0f; /* set the last four bits (not used) */ 383 ecc_code[7] |= 0x0f; /* set the last four bits (not used) */
396} 384}
397 385
398
399/* 386/*
400 * rtc_from4_correct_data - hardware specific code to correct data using ECC code 387 * rtc_from4_correct_data - hardware specific code to correct data using ECC code
401 * @mtd: MTD device structure 388 * @mtd: MTD device structure
@@ -414,7 +401,7 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
414 unsigned short status; 401 unsigned short status;
415 uint16_t par[6], syn[6]; 402 uint16_t par[6], syn[6];
416 uint8_t ecc[8]; 403 uint8_t ecc[8];
417 volatile unsigned short *rs_ecc; 404 volatile unsigned short *rs_ecc;
418 405
419 status = *((volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC_CHK)); 406 status = *((volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC_CHK));
420 407
@@ -424,23 +411,18 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
424 411
425 /* Read the syndrom pattern from the FPGA and correct the bitorder */ 412 /* Read the syndrom pattern from the FPGA and correct the bitorder */
426 rs_ecc = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC); 413 rs_ecc = (volatile unsigned short *)(rtc_from4_fio_base + RTC_FROM4_RS_ECC);
427 for (i = 0; i < 8; i++) { 414 for (i = 0; i < 8; i++) {
428 ecc[i] = revbits[(*rs_ecc) & 0xFF]; 415 ecc[i] = revbits[(*rs_ecc) & 0xFF];
429 rs_ecc++; 416 rs_ecc++;
430 } 417 }
431 418
432 /* convert into 6 10bit syndrome fields */ 419 /* convert into 6 10bit syndrome fields */
433 par[5] = rs_decoder->index_of[(((uint16_t)ecc[0] >> 0) & 0x0ff) | 420 par[5] = rs_decoder->index_of[(((uint16_t) ecc[0] >> 0) & 0x0ff) | (((uint16_t) ecc[1] << 8) & 0x300)];
434 (((uint16_t)ecc[1] << 8) & 0x300)]; 421 par[4] = rs_decoder->index_of[(((uint16_t) ecc[1] >> 2) & 0x03f) | (((uint16_t) ecc[2] << 6) & 0x3c0)];
435 par[4] = rs_decoder->index_of[(((uint16_t)ecc[1] >> 2) & 0x03f) | 422 par[3] = rs_decoder->index_of[(((uint16_t) ecc[2] >> 4) & 0x00f) | (((uint16_t) ecc[3] << 4) & 0x3f0)];
436 (((uint16_t)ecc[2] << 6) & 0x3c0)]; 423 par[2] = rs_decoder->index_of[(((uint16_t) ecc[3] >> 6) & 0x003) | (((uint16_t) ecc[4] << 2) & 0x3fc)];
437 par[3] = rs_decoder->index_of[(((uint16_t)ecc[2] >> 4) & 0x00f) | 424 par[1] = rs_decoder->index_of[(((uint16_t) ecc[5] >> 0) & 0x0ff) | (((uint16_t) ecc[6] << 8) & 0x300)];
438 (((uint16_t)ecc[3] << 4) & 0x3f0)]; 425 par[0] = (((uint16_t) ecc[6] >> 2) & 0x03f) | (((uint16_t) ecc[7] << 6) & 0x3c0);
439 par[2] = rs_decoder->index_of[(((uint16_t)ecc[3] >> 6) & 0x003) |
440 (((uint16_t)ecc[4] << 2) & 0x3fc)];
441 par[1] = rs_decoder->index_of[(((uint16_t)ecc[5] >> 0) & 0x0ff) |
442 (((uint16_t)ecc[6] << 8) & 0x300)];
443 par[0] = (((uint16_t)ecc[6] >> 2) & 0x03f) | (((uint16_t)ecc[7] << 6) & 0x3c0);
444 426
445 /* Convert to computable syndrome */ 427 /* Convert to computable syndrome */
446 for (i = 0; i < 6; i++) { 428 for (i = 0; i < 6; i++) {
@@ -453,16 +435,14 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
453 syn[i] = rs_decoder->index_of[syn[i]]; 435 syn[i] = rs_decoder->index_of[syn[i]];
454 } 436 }
455 437
456 /* Let the library code do its magic.*/ 438 /* Let the library code do its magic. */
457 res = decode_rs8(rs_decoder, (uint8_t *)buf, par, 512, syn, 0, NULL, 0xff, NULL); 439 res = decode_rs8(rs_decoder, (uint8_t *) buf, par, 512, syn, 0, NULL, 0xff, NULL);
458 if (res > 0) { 440 if (res > 0) {
459 DEBUG (MTD_DEBUG_LEVEL0, "rtc_from4_correct_data: " 441 DEBUG(MTD_DEBUG_LEVEL0, "rtc_from4_correct_data: " "ECC corrected %d errors on read\n", res);
460 "ECC corrected %d errors on read\n", res);
461 } 442 }
462 return res; 443 return res;
463} 444}
464 445
465
466/** 446/**
467 * rtc_from4_errstat - perform additional error status checks 447 * rtc_from4_errstat - perform additional error status checks
468 * @mtd: MTD device structure 448 * @mtd: MTD device structure
@@ -480,44 +460,44 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
480 */ 460 */
481static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, int state, int status, int page) 461static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, int state, int status, int page)
482{ 462{
483 int er_stat=0; 463 int er_stat = 0;
484 int rtn, retlen; 464 int rtn, retlen;
485 size_t len; 465 size_t len;
486 uint8_t *buf; 466 uint8_t *buf;
487 int i; 467 int i;
488 468
489 this->cmdfunc (mtd, NAND_CMD_STATUS_CLEAR, -1, -1); 469 this->cmdfunc(mtd, NAND_CMD_STATUS_CLEAR, -1, -1);
490 470
491 if (state == FL_ERASING) { 471 if (state == FL_ERASING) {
492 for (i=0; i<4; i++) { 472 for (i = 0; i < 4; i++) {
493 if (status & 1<<(i+1)) { 473 if (status & 1 << (i + 1)) {
494 this->cmdfunc (mtd, (NAND_CMD_STATUS_ERROR + i + 1), -1, -1); 474 this->cmdfunc(mtd, (NAND_CMD_STATUS_ERROR + i + 1), -1, -1);
495 rtn = this->read_byte(mtd); 475 rtn = this->read_byte(mtd);
496 this->cmdfunc (mtd, NAND_CMD_STATUS_RESET, -1, -1); 476 this->cmdfunc(mtd, NAND_CMD_STATUS_RESET, -1, -1);
497 if (!(rtn & ERR_STAT_ECC_AVAILABLE)) { 477 if (!(rtn & ERR_STAT_ECC_AVAILABLE)) {
498 er_stat |= 1<<(i+1); /* err_ecc_not_avail */ 478 er_stat |= 1 << (i + 1); /* err_ecc_not_avail */
499 } 479 }
500 } 480 }
501 } 481 }
502 } else if (state == FL_WRITING) { 482 } else if (state == FL_WRITING) {
503 /* single bank write logic */ 483 /* single bank write logic */
504 this->cmdfunc (mtd, NAND_CMD_STATUS_ERROR, -1, -1); 484 this->cmdfunc(mtd, NAND_CMD_STATUS_ERROR, -1, -1);
505 rtn = this->read_byte(mtd); 485 rtn = this->read_byte(mtd);
506 this->cmdfunc (mtd, NAND_CMD_STATUS_RESET, -1, -1); 486 this->cmdfunc(mtd, NAND_CMD_STATUS_RESET, -1, -1);
507 if (!(rtn & ERR_STAT_ECC_AVAILABLE)) { 487 if (!(rtn & ERR_STAT_ECC_AVAILABLE)) {
508 er_stat |= 1<<1; /* err_ecc_not_avail */ 488 er_stat |= 1 << 1; /* err_ecc_not_avail */
509 } else { 489 } else {
510 len = mtd->oobblock; 490 len = mtd->oobblock;
511 buf = kmalloc (len, GFP_KERNEL); 491 buf = kmalloc(len, GFP_KERNEL);
512 if (!buf) { 492 if (!buf) {
513 printk (KERN_ERR "rtc_from4_errstat: Out of memory!\n"); 493 printk(KERN_ERR "rtc_from4_errstat: Out of memory!\n");
514 er_stat = 1; /* if we can't check, assume failed */ 494 er_stat = 1; /* if we can't check, assume failed */
515 } else { 495 } else {
516 /* recovery read */ 496 /* recovery read */
517 /* page read */ 497 /* page read */
518 rtn = nand_do_read_ecc (mtd, page, len, &retlen, buf, NULL, this->autooob, 1); 498 rtn = nand_do_read_ecc(mtd, page, len, &retlen, buf, NULL, this->autooob, 1);
519 if (rtn) { /* if read failed or > 1-bit error corrected */ 499 if (rtn) { /* if read failed or > 1-bit error corrected */
520 er_stat |= 1<<1; /* ECC read failed */ 500 er_stat |= 1 << 1; /* ECC read failed */
521 } 501 }
522 kfree(buf); 502 kfree(buf);
523 } 503 }
@@ -525,7 +505,7 @@ static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, int s
525 } 505 }
526 506
527 rtn = status; 507 rtn = status;
528 if (er_stat == 0) { /* if ECC is available */ 508 if (er_stat == 0) { /* if ECC is available */
529 rtn = (status & ~NAND_STATUS_FAIL); /* clear the error bit */ 509 rtn = (status & ~NAND_STATUS_FAIL); /* clear the error bit */
530 } 510 }
531 511
@@ -533,30 +513,28 @@ static int rtc_from4_errstat(struct mtd_info *mtd, struct nand_chip *this, int s
533} 513}
534#endif 514#endif
535 515
536
537/* 516/*
538 * Main initialization routine 517 * Main initialization routine
539 */ 518 */
540int __init rtc_from4_init (void) 519int __init rtc_from4_init(void)
541{ 520{
542 struct nand_chip *this; 521 struct nand_chip *this;
543 unsigned short bcr1, bcr2, wcr2; 522 unsigned short bcr1, bcr2, wcr2;
544 int i; 523 int i;
545 524
546 /* Allocate memory for MTD device structure and private data */ 525 /* Allocate memory for MTD device structure and private data */
547 rtc_from4_mtd = kmalloc(sizeof(struct mtd_info) + sizeof (struct nand_chip), 526 rtc_from4_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
548 GFP_KERNEL);
549 if (!rtc_from4_mtd) { 527 if (!rtc_from4_mtd) {
550 printk ("Unable to allocate Renesas NAND MTD device structure.\n"); 528 printk("Unable to allocate Renesas NAND MTD device structure.\n");
551 return -ENOMEM; 529 return -ENOMEM;
552 } 530 }
553 531
554 /* Get pointer to private data */ 532 /* Get pointer to private data */
555 this = (struct nand_chip *) (&rtc_from4_mtd[1]); 533 this = (struct nand_chip *)(&rtc_from4_mtd[1]);
556 534
557 /* Initialize structures */ 535 /* Initialize structures */
558 memset((char *) rtc_from4_mtd, 0, sizeof(struct mtd_info)); 536 memset(rtc_from4_mtd, 0, sizeof(struct mtd_info));
559 memset((char *) this, 0, sizeof(struct nand_chip)); 537 memset(this, 0, sizeof(struct nand_chip));
560 538
561 /* Link the private data with the MTD structure */ 539 /* Link the private data with the MTD structure */
562 rtc_from4_mtd->priv = this; 540 rtc_from4_mtd->priv = this;
@@ -582,7 +560,7 @@ int __init rtc_from4_init (void)
582 /* Set address of hardware control function */ 560 /* Set address of hardware control function */
583 this->hwcontrol = rtc_from4_hwcontrol; 561 this->hwcontrol = rtc_from4_hwcontrol;
584 /* Set address of chip select function */ 562 /* Set address of chip select function */
585 this->select_chip = rtc_from4_nand_select_chip; 563 this->select_chip = rtc_from4_nand_select_chip;
586 /* command delay time (in us) */ 564 /* command delay time (in us) */
587 this->chip_delay = 100; 565 this->chip_delay = 100;
588 /* return the status of the Ready/Busy line */ 566 /* return the status of the Ready/Busy line */
@@ -591,7 +569,7 @@ int __init rtc_from4_init (void)
591#ifdef RTC_FROM4_HWECC 569#ifdef RTC_FROM4_HWECC
592 printk(KERN_INFO "rtc_from4_init: using hardware ECC detection.\n"); 570 printk(KERN_INFO "rtc_from4_init: using hardware ECC detection.\n");
593 571
594 this->eccmode = NAND_ECC_HW8_512; 572 this->eccmode = NAND_ECC_HW8_512;
595 this->options |= NAND_HWECC_SYNDROME; 573 this->options |= NAND_HWECC_SYNDROME;
596 /* return the status of extra status and ECC checks */ 574 /* return the status of extra status and ECC checks */
597 this->errstat = rtc_from4_errstat; 575 this->errstat = rtc_from4_errstat;
@@ -617,7 +595,7 @@ int __init rtc_from4_init (void)
617 } 595 }
618 596
619 /* Perform 'device recovery' for each chip in case there was a power loss. */ 597 /* Perform 'device recovery' for each chip in case there was a power loss. */
620 for (i=0; i < this->numchips; i++) { 598 for (i = 0; i < this->numchips; i++) {
621 deplete(rtc_from4_mtd, i); 599 deplete(rtc_from4_mtd, i);
622 } 600 }
623 601
@@ -643,7 +621,7 @@ int __init rtc_from4_init (void)
643 */ 621 */
644 rs_decoder = init_rs(10, 0x409, 0, 1, 6); 622 rs_decoder = init_rs(10, 0x409, 0, 1, 6);
645 if (!rs_decoder) { 623 if (!rs_decoder) {
646 printk (KERN_ERR "Could not create a RS decoder\n"); 624 printk(KERN_ERR "Could not create a RS decoder\n");
647 nand_release(rtc_from4_mtd); 625 nand_release(rtc_from4_mtd);
648 kfree(rtc_from4_mtd); 626 kfree(rtc_from4_mtd);
649 return -ENOMEM; 627 return -ENOMEM;
@@ -652,20 +630,20 @@ int __init rtc_from4_init (void)
652 /* Return happy */ 630 /* Return happy */
653 return 0; 631 return 0;
654} 632}
655module_init(rtc_from4_init);
656 633
634module_init(rtc_from4_init);
657 635
658/* 636/*
659 * Clean up routine 637 * Clean up routine
660 */ 638 */
661#ifdef MODULE 639#ifdef MODULE
662static void __exit rtc_from4_cleanup (void) 640static void __exit rtc_from4_cleanup(void)
663{ 641{
664 /* Release resource, unregister partitions */ 642 /* Release resource, unregister partitions */
665 nand_release(rtc_from4_mtd); 643 nand_release(rtc_from4_mtd);
666 644
667 /* Free the MTD device structure */ 645 /* Free the MTD device structure */
668 kfree (rtc_from4_mtd); 646 kfree(rtc_from4_mtd);
669 647
670#ifdef RTC_FROM4_HWECC 648#ifdef RTC_FROM4_HWECC
671 /* Free the reed solomon resources */ 649 /* Free the reed solomon resources */
@@ -674,10 +652,10 @@ static void __exit rtc_from4_cleanup (void)
674 } 652 }
675#endif 653#endif
676} 654}
655
677module_exit(rtc_from4_cleanup); 656module_exit(rtc_from4_cleanup);
678#endif 657#endif
679 658
680MODULE_LICENSE("GPL"); 659MODULE_LICENSE("GPL");
681MODULE_AUTHOR("d.marlin <dmarlin@redhat.com"); 660MODULE_AUTHOR("d.marlin <dmarlin@redhat.com");
682MODULE_DESCRIPTION("Board-specific glue layer for AG-AND flash on Renesas FROM_BOARD4"); 661MODULE_DESCRIPTION("Board-specific glue layer for AG-AND flash on Renesas FROM_BOARD4");
683
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 5b55599739f3..338fda87b9e5 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -77,10 +77,10 @@ static int hardware_ecc = 0;
77 */ 77 */
78 78
79static struct nand_oobinfo nand_hw_eccoob = { 79static struct nand_oobinfo nand_hw_eccoob = {
80 .useecc = MTD_NANDECC_AUTOPLACE, 80 .useecc = MTD_NANDECC_AUTOPLACE,
81 .eccbytes = 3, 81 .eccbytes = 3,
82 .eccpos = {0, 1, 2 }, 82 .eccpos = {0, 1, 2},
83 .oobfree = { {8, 8} } 83 .oobfree = {{8, 8}}
84}; 84};
85 85
86/* controller and mtd information */ 86/* controller and mtd information */
@@ -149,8 +149,7 @@ static int s3c2410_nand_calc_rate(int wanted, unsigned long clk, int max)
149 pr_debug("result %d from %ld, %d\n", result, clk, wanted); 149 pr_debug("result %d from %ld, %d\n", result, clk, wanted);
150 150
151 if (result > max) { 151 if (result > max) {
152 printk("%d ns is too big for current clock rate %ld\n", 152 printk("%d ns is too big for current clock rate %ld\n", wanted, clk);
153 wanted, clk);
154 return -1; 153 return -1;
155 } 154 }
156 155
@@ -164,8 +163,7 @@ static int s3c2410_nand_calc_rate(int wanted, unsigned long clk, int max)
164 163
165/* controller setup */ 164/* controller setup */
166 165
167static int s3c2410_nand_inithw(struct s3c2410_nand_info *info, 166static int s3c2410_nand_inithw(struct s3c2410_nand_info *info, struct platform_device *pdev)
168 struct platform_device *pdev)
169{ 167{
170 struct s3c2410_platform_nand *plat = to_nand_plat(pdev); 168 struct s3c2410_platform_nand *plat = to_nand_plat(pdev);
171 unsigned long clkrate = clk_get_rate(info->clk); 169 unsigned long clkrate = clk_get_rate(info->clk);
@@ -177,7 +175,7 @@ static int s3c2410_nand_inithw(struct s3c2410_nand_info *info,
177 clkrate /= 1000; /* turn clock into kHz for ease of use */ 175 clkrate /= 1000; /* turn clock into kHz for ease of use */
178 176
179 if (plat != NULL) { 177 if (plat != NULL) {
180 tacls = s3c2410_nand_calc_rate(plat->tacls, clkrate, 4); 178 tacls = s3c2410_nand_calc_rate(plat->tacls, clkrate, 4);
181 twrph0 = s3c2410_nand_calc_rate(plat->twrph0, clkrate, 8); 179 twrph0 = s3c2410_nand_calc_rate(plat->twrph0, clkrate, 8);
182 twrph1 = s3c2410_nand_calc_rate(plat->twrph1, clkrate, 8); 180 twrph1 = s3c2410_nand_calc_rate(plat->twrph1, clkrate, 8);
183 } else { 181 } else {
@@ -193,19 +191,17 @@ static int s3c2410_nand_inithw(struct s3c2410_nand_info *info,
193 } 191 }
194 192
195 printk(KERN_INFO PFX "Tacls=%d, %dns Twrph0=%d %dns, Twrph1=%d %dns\n", 193 printk(KERN_INFO PFX "Tacls=%d, %dns Twrph0=%d %dns, Twrph1=%d %dns\n",
196 tacls, to_ns(tacls, clkrate), 194 tacls, to_ns(tacls, clkrate), twrph0, to_ns(twrph0, clkrate), twrph1, to_ns(twrph1, clkrate));
197 twrph0, to_ns(twrph0, clkrate),
198 twrph1, to_ns(twrph1, clkrate));
199 195
200 if (!info->is_s3c2440) { 196 if (!info->is_s3c2440) {
201 cfg = S3C2410_NFCONF_EN; 197 cfg = S3C2410_NFCONF_EN;
202 cfg |= S3C2410_NFCONF_TACLS(tacls-1); 198 cfg |= S3C2410_NFCONF_TACLS(tacls - 1);
203 cfg |= S3C2410_NFCONF_TWRPH0(twrph0-1); 199 cfg |= S3C2410_NFCONF_TWRPH0(twrph0 - 1);
204 cfg |= S3C2410_NFCONF_TWRPH1(twrph1-1); 200 cfg |= S3C2410_NFCONF_TWRPH1(twrph1 - 1);
205 } else { 201 } else {
206 cfg = S3C2440_NFCONF_TACLS(tacls-1); 202 cfg = S3C2440_NFCONF_TACLS(tacls - 1);
207 cfg |= S3C2440_NFCONF_TWRPH0(twrph0-1); 203 cfg |= S3C2440_NFCONF_TWRPH0(twrph0 - 1);
208 cfg |= S3C2440_NFCONF_TWRPH1(twrph1-1); 204 cfg |= S3C2440_NFCONF_TWRPH1(twrph1 - 1);
209 } 205 }
210 206
211 pr_debug(PFX "NF_CONF is 0x%lx\n", cfg); 207 pr_debug(PFX "NF_CONF is 0x%lx\n", cfg);
@@ -229,7 +225,7 @@ static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
229 info = nmtd->info; 225 info = nmtd->info;
230 226
231 bit = (info->is_s3c2440) ? S3C2440_NFCONT_nFCE : S3C2410_NFCONF_nFCE; 227 bit = (info->is_s3c2440) ? S3C2440_NFCONT_nFCE : S3C2410_NFCONF_nFCE;
232 reg = info->regs+((info->is_s3c2440) ? S3C2440_NFCONT:S3C2410_NFCONF); 228 reg = info->regs + ((info->is_s3c2440) ? S3C2440_NFCONT : S3C2410_NFCONF);
233 229
234 cur = readl(reg); 230 cur = readl(reg);
235 231
@@ -243,7 +239,7 @@ static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
243 239
244 if (info->platform != NULL) { 240 if (info->platform != NULL) {
245 if (info->platform->select_chip != NULL) 241 if (info->platform->select_chip != NULL)
246 (info->platform->select_chip)(nmtd->set, chip); 242 (info->platform->select_chip) (nmtd->set, chip);
247 } 243 }
248 244
249 cur &= ~bit; 245 cur &= ~bit;
@@ -330,22 +326,16 @@ static int s3c2410_nand_devready(struct mtd_info *mtd)
330 return readb(info->regs + S3C2410_NFSTAT) & S3C2410_NFSTAT_BUSY; 326 return readb(info->regs + S3C2410_NFSTAT) & S3C2410_NFSTAT_BUSY;
331} 327}
332 328
333
334/* ECC handling functions */ 329/* ECC handling functions */
335 330
336static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat, 331static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
337 u_char *read_ecc, u_char *calc_ecc)
338{ 332{
339 pr_debug("s3c2410_nand_correct_data(%p,%p,%p,%p)\n", 333 pr_debug("s3c2410_nand_correct_data(%p,%p,%p,%p)\n", mtd, dat, read_ecc, calc_ecc);
340 mtd, dat, read_ecc, calc_ecc);
341 334
342 pr_debug("eccs: read %02x,%02x,%02x vs calc %02x,%02x,%02x\n", 335 pr_debug("eccs: read %02x,%02x,%02x vs calc %02x,%02x,%02x\n",
343 read_ecc[0], read_ecc[1], read_ecc[2], 336 read_ecc[0], read_ecc[1], read_ecc[2], calc_ecc[0], calc_ecc[1], calc_ecc[2]);
344 calc_ecc[0], calc_ecc[1], calc_ecc[2]);
345 337
346 if (read_ecc[0] == calc_ecc[0] && 338 if (read_ecc[0] == calc_ecc[0] && read_ecc[1] == calc_ecc[1] && read_ecc[2] == calc_ecc[2])
347 read_ecc[1] == calc_ecc[1] &&
348 read_ecc[2] == calc_ecc[2])
349 return 0; 339 return 0;
350 340
351 /* we curently have no method for correcting the error */ 341 /* we curently have no method for correcting the error */
@@ -378,8 +368,7 @@ static void s3c2440_nand_enable_hwecc(struct mtd_info *mtd, int mode)
378 writel(ctrl | S3C2440_NFCONT_INITECC, info->regs + S3C2440_NFCONT); 368 writel(ctrl | S3C2440_NFCONT_INITECC, info->regs + S3C2440_NFCONT);
379} 369}
380 370
381static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, 371static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
382 const u_char *dat, u_char *ecc_code)
383{ 372{
384 struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd); 373 struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
385 374
@@ -387,15 +376,12 @@ static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd,
387 ecc_code[1] = readb(info->regs + S3C2410_NFECC + 1); 376 ecc_code[1] = readb(info->regs + S3C2410_NFECC + 1);
388 ecc_code[2] = readb(info->regs + S3C2410_NFECC + 2); 377 ecc_code[2] = readb(info->regs + S3C2410_NFECC + 2);
389 378
390 pr_debug("calculate_ecc: returning ecc %02x,%02x,%02x\n", 379 pr_debug("calculate_ecc: returning ecc %02x,%02x,%02x\n", ecc_code[0], ecc_code[1], ecc_code[2]);
391 ecc_code[0], ecc_code[1], ecc_code[2]);
392 380
393 return 0; 381 return 0;
394} 382}
395 383
396 384static int s3c2440_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
397static int s3c2440_nand_calculate_ecc(struct mtd_info *mtd,
398 const u_char *dat, u_char *ecc_code)
399{ 385{
400 struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd); 386 struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
401 unsigned long ecc = readl(info->regs + S3C2440_NFMECC0); 387 unsigned long ecc = readl(info->regs + S3C2440_NFMECC0);
@@ -404,13 +390,11 @@ static int s3c2440_nand_calculate_ecc(struct mtd_info *mtd,
404 ecc_code[1] = ecc >> 8; 390 ecc_code[1] = ecc >> 8;
405 ecc_code[2] = ecc >> 16; 391 ecc_code[2] = ecc >> 16;
406 392
407 pr_debug("calculate_ecc: returning ecc %02x,%02x,%02x\n", 393 pr_debug("calculate_ecc: returning ecc %02x,%02x,%02x\n", ecc_code[0], ecc_code[1], ecc_code[2]);
408 ecc_code[0], ecc_code[1], ecc_code[2]);
409 394
410 return 0; 395 return 0;
411} 396}
412 397
413
414/* over-ride the standard functions for a little more speed. We can 398/* over-ride the standard functions for a little more speed. We can
415 * use read/write block to move the data buffers to/from the controller 399 * use read/write block to move the data buffers to/from the controller
416*/ 400*/
@@ -421,8 +405,7 @@ static void s3c2410_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
421 readsb(this->IO_ADDR_R, buf, len); 405 readsb(this->IO_ADDR_R, buf, len);
422} 406}
423 407
424static void s3c2410_nand_write_buf(struct mtd_info *mtd, 408static void s3c2410_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
425 const u_char *buf, int len)
426{ 409{
427 struct nand_chip *this = mtd->priv; 410 struct nand_chip *this = mtd->priv;
428 writesb(this->IO_ADDR_W, buf, len); 411 writesb(this->IO_ADDR_W, buf, len);
@@ -488,9 +471,7 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
488 return add_mtd_device(&mtd->mtd); 471 return add_mtd_device(&mtd->mtd);
489 472
490 if (set->nr_partitions > 0 && set->partitions != NULL) { 473 if (set->nr_partitions > 0 && set->partitions != NULL) {
491 return add_mtd_partitions(&mtd->mtd, 474 return add_mtd_partitions(&mtd->mtd, set->partitions, set->nr_partitions);
492 set->partitions,
493 set->nr_partitions);
494 } 475 }
495 476
496 return add_mtd_device(&mtd->mtd); 477 return add_mtd_device(&mtd->mtd);
@@ -654,13 +635,11 @@ static int s3c24xx_nand_probe(struct platform_device *pdev, int is_s3c2440)
654 nmtd = info->mtds; 635 nmtd = info->mtds;
655 636
656 for (setno = 0; setno < nr_sets; setno++, nmtd++) { 637 for (setno = 0; setno < nr_sets; setno++, nmtd++) {
657 pr_debug("initialising set %d (%p, info %p)\n", 638 pr_debug("initialising set %d (%p, info %p)\n", setno, nmtd, info);
658 setno, nmtd, info);
659 639
660 s3c2410_nand_init_chip(info, nmtd, sets); 640 s3c2410_nand_init_chip(info, nmtd, sets);
661 641
662 nmtd->scan_res = nand_scan(&nmtd->mtd, 642 nmtd->scan_res = nand_scan(&nmtd->mtd, (sets) ? sets->nr_chips : 1);
663 (sets) ? sets->nr_chips : 1);
664 643
665 if (nmtd->scan_res == 0) { 644 if (nmtd->scan_res == 0) {
666 s3c2410_nand_add_partition(info, nmtd, sets); 645 s3c2410_nand_add_partition(info, nmtd, sets);
diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
index c294374871a4..25322a8d44d8 100644
--- a/drivers/mtd/nand/sharpsl.c
+++ b/drivers/mtd/nand/sharpsl.c
@@ -46,7 +46,6 @@ static int sharpsl_phys_base = 0x0C000000;
46#define FLCLE (1 << 1) 46#define FLCLE (1 << 1)
47#define FLCE0 (1 << 0) 47#define FLCE0 (1 << 0)
48 48
49
50/* 49/*
51 * MTD structure for SharpSL 50 * MTD structure for SharpSL
52 */ 51 */
@@ -60,27 +59,26 @@ static struct mtd_info *sharpsl_mtd = NULL;
60static int nr_partitions; 59static int nr_partitions;
61static struct mtd_partition sharpsl_nand_default_partition_info[] = { 60static struct mtd_partition sharpsl_nand_default_partition_info[] = {
62 { 61 {
63 .name = "System Area", 62 .name = "System Area",
64 .offset = 0, 63 .offset = 0,
65 .size = 7 * 1024 * 1024, 64 .size = 7 * 1024 * 1024,
66 }, 65 },
67 { 66 {
68 .name = "Root Filesystem", 67 .name = "Root Filesystem",
69 .offset = 7 * 1024 * 1024, 68 .offset = 7 * 1024 * 1024,
70 .size = 30 * 1024 * 1024, 69 .size = 30 * 1024 * 1024,
71 }, 70 },
72 { 71 {
73 .name = "Home Filesystem", 72 .name = "Home Filesystem",
74 .offset = MTDPART_OFS_APPEND , 73 .offset = MTDPART_OFS_APPEND,
75 .size = MTDPART_SIZ_FULL , 74 .size = MTDPART_SIZ_FULL,
76 }, 75 },
77}; 76};
78 77
79/* 78/*
80 * hardware specific access to control-lines 79 * hardware specific access to control-lines
81 */ 80 */
82static void 81static void sharpsl_nand_hwcontrol(struct mtd_info *mtd, int cmd)
83sharpsl_nand_hwcontrol(struct mtd_info* mtd, int cmd)
84{ 82{
85 switch (cmd) { 83 switch (cmd) {
86 case NAND_CTL_SETCLE: 84 case NAND_CTL_SETCLE:
@@ -98,10 +96,10 @@ sharpsl_nand_hwcontrol(struct mtd_info* mtd, int cmd)
98 break; 96 break;
99 97
100 case NAND_CTL_SETNCE: 98 case NAND_CTL_SETNCE:
101 writeb(readb(FLASHCTL) & ~(FLCE0|FLCE1), FLASHCTL); 99 writeb(readb(FLASHCTL) & ~(FLCE0 | FLCE1), FLASHCTL);
102 break; 100 break;
103 case NAND_CTL_CLRNCE: 101 case NAND_CTL_CLRNCE:
104 writeb(readb(FLASHCTL) | (FLCE0|FLCE1), FLASHCTL); 102 writeb(readb(FLASHCTL) | (FLCE0 | FLCE1), FLASHCTL);
105 break; 103 break;
106 } 104 }
107} 105}
@@ -126,27 +124,23 @@ static struct nand_oobinfo akita_oobinfo = {
126 .useecc = MTD_NANDECC_AUTOPLACE, 124 .useecc = MTD_NANDECC_AUTOPLACE,
127 .eccbytes = 24, 125 .eccbytes = 24,
128 .eccpos = { 126 .eccpos = {
129 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11, 127 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
130 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23, 128 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
131 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37}, 129 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
132 .oobfree = { {0x08, 0x09} } 130 .oobfree = {{0x08, 0x09}}
133}; 131};
134 132
135static int 133static int sharpsl_nand_dev_ready(struct mtd_info *mtd)
136sharpsl_nand_dev_ready(struct mtd_info* mtd)
137{ 134{
138 return !((readb(FLASHCTL) & FLRYBY) == 0); 135 return !((readb(FLASHCTL) & FLRYBY) == 0);
139} 136}
140 137
141static void 138static void sharpsl_nand_enable_hwecc(struct mtd_info *mtd, int mode)
142sharpsl_nand_enable_hwecc(struct mtd_info* mtd, int mode)
143{ 139{
144 writeb(0 ,ECCCLRR); 140 writeb(0, ECCCLRR);
145} 141}
146 142
147static int 143static int sharpsl_nand_calculate_ecc(struct mtd_info *mtd, const u_char * dat, u_char * ecc_code)
148sharpsl_nand_calculate_ecc(struct mtd_info* mtd, const u_char* dat,
149 u_char* ecc_code)
150{ 144{
151 ecc_code[0] = ~readb(ECCLPUB); 145 ecc_code[0] = ~readb(ECCLPUB);
152 ecc_code[1] = ~readb(ECCLPLB); 146 ecc_code[1] = ~readb(ECCLPLB);
@@ -154,44 +148,40 @@ sharpsl_nand_calculate_ecc(struct mtd_info* mtd, const u_char* dat,
154 return readb(ECCCNTR) != 0; 148 return readb(ECCCNTR) != 0;
155} 149}
156 150
157
158#ifdef CONFIG_MTD_PARTITIONS 151#ifdef CONFIG_MTD_PARTITIONS
159const char *part_probes[] = { "cmdlinepart", NULL }; 152const char *part_probes[] = { "cmdlinepart", NULL };
160#endif 153#endif
161 154
162
163/* 155/*
164 * Main initialization routine 156 * Main initialization routine
165 */ 157 */
166int __init 158int __init sharpsl_nand_init(void)
167sharpsl_nand_init(void)
168{ 159{
169 struct nand_chip *this; 160 struct nand_chip *this;
170 struct mtd_partition* sharpsl_partition_info; 161 struct mtd_partition *sharpsl_partition_info;
171 int err = 0; 162 int err = 0;
172 163
173 /* Allocate memory for MTD device structure and private data */ 164 /* Allocate memory for MTD device structure and private data */
174 sharpsl_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), 165 sharpsl_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
175 GFP_KERNEL);
176 if (!sharpsl_mtd) { 166 if (!sharpsl_mtd) {
177 printk ("Unable to allocate SharpSL NAND MTD device structure.\n"); 167 printk("Unable to allocate SharpSL NAND MTD device structure.\n");
178 return -ENOMEM; 168 return -ENOMEM;
179 } 169 }
180 170
181 /* map physical adress */ 171 /* map physical adress */
182 sharpsl_io_base = ioremap(sharpsl_phys_base, 0x1000); 172 sharpsl_io_base = ioremap(sharpsl_phys_base, 0x1000);
183 if(!sharpsl_io_base){ 173 if (!sharpsl_io_base) {
184 printk("ioremap to access Sharp SL NAND chip failed\n"); 174 printk("ioremap to access Sharp SL NAND chip failed\n");
185 kfree(sharpsl_mtd); 175 kfree(sharpsl_mtd);
186 return -EIO; 176 return -EIO;
187 } 177 }
188 178
189 /* Get pointer to private data */ 179 /* Get pointer to private data */
190 this = (struct nand_chip *) (&sharpsl_mtd[1]); 180 this = (struct nand_chip *)(&sharpsl_mtd[1]);
191 181
192 /* Initialize structures */ 182 /* Initialize structures */
193 memset((char *) sharpsl_mtd, 0, sizeof(struct mtd_info)); 183 memset(sharpsl_mtd, 0, sizeof(struct mtd_info));
194 memset((char *) this, 0, sizeof(struct nand_chip)); 184 memset(this, 0, sizeof(struct nand_chip));
195 185
196 /* Link the private data with the MTD structure */ 186 /* Link the private data with the MTD structure */
197 sharpsl_mtd->priv = this; 187 sharpsl_mtd->priv = this;
@@ -221,7 +211,7 @@ sharpsl_nand_init(void)
221 this->correct_data = nand_correct_data; 211 this->correct_data = nand_correct_data;
222 212
223 /* Scan to find existence of the device */ 213 /* Scan to find existence of the device */
224 err=nand_scan(sharpsl_mtd,1); 214 err = nand_scan(sharpsl_mtd, 1);
225 if (err) { 215 if (err) {
226 iounmap(sharpsl_io_base); 216 iounmap(sharpsl_io_base);
227 kfree(sharpsl_mtd); 217 kfree(sharpsl_mtd);
@@ -230,24 +220,23 @@ sharpsl_nand_init(void)
230 220
231 /* Register the partitions */ 221 /* Register the partitions */
232 sharpsl_mtd->name = "sharpsl-nand"; 222 sharpsl_mtd->name = "sharpsl-nand";
233 nr_partitions = parse_mtd_partitions(sharpsl_mtd, part_probes, 223 nr_partitions = parse_mtd_partitions(sharpsl_mtd, part_probes, &sharpsl_partition_info, 0);
234 &sharpsl_partition_info, 0);
235 224
236 if (nr_partitions <= 0) { 225 if (nr_partitions <= 0) {
237 nr_partitions = DEFAULT_NUM_PARTITIONS; 226 nr_partitions = DEFAULT_NUM_PARTITIONS;
238 sharpsl_partition_info = sharpsl_nand_default_partition_info; 227 sharpsl_partition_info = sharpsl_nand_default_partition_info;
239 if (machine_is_poodle()) { 228 if (machine_is_poodle()) {
240 sharpsl_partition_info[1].size=22 * 1024 * 1024; 229 sharpsl_partition_info[1].size = 22 * 1024 * 1024;
241 } else if (machine_is_corgi() || machine_is_shepherd()) { 230 } else if (machine_is_corgi() || machine_is_shepherd()) {
242 sharpsl_partition_info[1].size=25 * 1024 * 1024; 231 sharpsl_partition_info[1].size = 25 * 1024 * 1024;
243 } else if (machine_is_husky()) { 232 } else if (machine_is_husky()) {
244 sharpsl_partition_info[1].size=53 * 1024 * 1024; 233 sharpsl_partition_info[1].size = 53 * 1024 * 1024;
245 } else if (machine_is_spitz()) { 234 } else if (machine_is_spitz()) {
246 sharpsl_partition_info[1].size=5 * 1024 * 1024; 235 sharpsl_partition_info[1].size = 5 * 1024 * 1024;
247 } else if (machine_is_akita()) { 236 } else if (machine_is_akita()) {
248 sharpsl_partition_info[1].size=58 * 1024 * 1024; 237 sharpsl_partition_info[1].size = 58 * 1024 * 1024;
249 } else if (machine_is_borzoi()) { 238 } else if (machine_is_borzoi()) {
250 sharpsl_partition_info[1].size=32 * 1024 * 1024; 239 sharpsl_partition_info[1].size = 32 * 1024 * 1024;
251 } 240 }
252 } 241 }
253 242
@@ -261,6 +250,7 @@ sharpsl_nand_init(void)
261 /* Return happy */ 250 /* Return happy */
262 return 0; 251 return 0;
263} 252}
253
264module_init(sharpsl_nand_init); 254module_init(sharpsl_nand_init);
265 255
266/* 256/*
@@ -269,7 +259,7 @@ module_init(sharpsl_nand_init);
269#ifdef MODULE 259#ifdef MODULE
270static void __exit sharpsl_nand_cleanup(void) 260static void __exit sharpsl_nand_cleanup(void)
271{ 261{
272 struct nand_chip *this = (struct nand_chip *) &sharpsl_mtd[1]; 262 struct nand_chip *this = (struct nand_chip *)&sharpsl_mtd[1];
273 263
274 /* Release resources, unregister device */ 264 /* Release resources, unregister device */
275 nand_release(sharpsl_mtd); 265 nand_release(sharpsl_mtd);
@@ -279,6 +269,7 @@ static void __exit sharpsl_nand_cleanup(void)
279 /* Free the MTD device structure */ 269 /* Free the MTD device structure */
280 kfree(sharpsl_mtd); 270 kfree(sharpsl_mtd);
281} 271}
272
282module_exit(sharpsl_nand_cleanup); 273module_exit(sharpsl_nand_cleanup);
283#endif 274#endif
284 275
diff --git a/drivers/mtd/nand/spia.c b/drivers/mtd/nand/spia.c
index 9cf1ce718ec1..a11354b9afa2 100644
--- a/drivers/mtd/nand/spia.c
+++ b/drivers/mtd/nand/spia.c
@@ -39,16 +39,16 @@ static struct mtd_info *spia_mtd = NULL;
39 */ 39 */
40#define SPIA_IO_BASE 0xd0000000 /* Start of EP7212 IO address space */ 40#define SPIA_IO_BASE 0xd0000000 /* Start of EP7212 IO address space */
41#define SPIA_FIO_BASE 0xf0000000 /* Address where flash is mapped */ 41#define SPIA_FIO_BASE 0xf0000000 /* Address where flash is mapped */
42#define SPIA_PEDR 0x0080 /* 42#define SPIA_PEDR 0x0080 /*
43 * IO offset to Port E data register 43 * IO offset to Port E data register
44 * where the CLE, ALE and NCE pins 44 * where the CLE, ALE and NCE pins
45 * are wired to. 45 * are wired to.
46 */ 46 */
47#define SPIA_PEDDR 0x00c0 /* 47#define SPIA_PEDDR 0x00c0 /*
48 * IO offset to Port E data direction 48 * IO offset to Port E data direction
49 * register so we can control the IO 49 * register so we can control the IO
50 * lines. 50 * lines.
51 */ 51 */
52 52
53/* 53/*
54 * Module stuff 54 * Module stuff
@@ -69,25 +69,23 @@ module_param(spia_peddr, int, 0);
69 */ 69 */
70static const struct mtd_partition partition_info[] = { 70static const struct mtd_partition partition_info[] = {
71 { 71 {
72 .name = "SPIA flash partition 1", 72 .name = "SPIA flash partition 1",
73 .offset = 0, 73 .offset = 0,
74 .size = 2*1024*1024 74 .size = 2 * 1024 * 1024},
75 },
76 { 75 {
77 .name = "SPIA flash partition 2", 76 .name = "SPIA flash partition 2",
78 .offset = 2*1024*1024, 77 .offset = 2 * 1024 * 1024,
79 .size = 6*1024*1024 78 .size = 6 * 1024 * 1024}
80 }
81}; 79};
82#define NUM_PARTITIONS 2
83 80
81#define NUM_PARTITIONS 2
84 82
85/* 83/*
86 * hardware specific access to control-lines 84 * hardware specific access to control-lines
87*/ 85*/
88static void spia_hwcontrol(struct mtd_info *mtd, int cmd){ 86static void spia_hwcontrol(struct mtd_info *mtd, int cmd)
89 87{
90 switch(cmd){ 88 switch (cmd) {
91 89
92 case NAND_CTL_SETCLE: (*(volatile unsigned char *) (spia_io_base + spia_pedr)) |= 0x01; break; 90 case NAND_CTL_SETCLE: (*(volatile unsigned char *) (spia_io_base + spia_pedr)) |= 0x01; break;
93 case NAND_CTL_CLRCLE: (*(volatile unsigned char *) (spia_io_base + spia_pedr)) &= ~0x01; break; 91 case NAND_CTL_CLRCLE: (*(volatile unsigned char *) (spia_io_base + spia_pedr)) &= ~0x01; break;
@@ -97,30 +95,29 @@ static void spia_hwcontrol(struct mtd_info *mtd, int cmd){
97 95
98 case NAND_CTL_SETNCE: (*(volatile unsigned char *) (spia_io_base + spia_pedr)) &= ~0x04; break; 96 case NAND_CTL_SETNCE: (*(volatile unsigned char *) (spia_io_base + spia_pedr)) &= ~0x04; break;
99 case NAND_CTL_CLRNCE: (*(volatile unsigned char *) (spia_io_base + spia_pedr)) |= 0x04; break; 97 case NAND_CTL_CLRNCE: (*(volatile unsigned char *) (spia_io_base + spia_pedr)) |= 0x04; break;
100 } 98 }
101} 99}
102 100
103/* 101/*
104 * Main initialization routine 102 * Main initialization routine
105 */ 103 */
106int __init spia_init (void) 104int __init spia_init(void)
107{ 105{
108 struct nand_chip *this; 106 struct nand_chip *this;
109 107
110 /* Allocate memory for MTD device structure and private data */ 108 /* Allocate memory for MTD device structure and private data */
111 spia_mtd = kmalloc (sizeof(struct mtd_info) + sizeof (struct nand_chip), 109 spia_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
112 GFP_KERNEL);
113 if (!spia_mtd) { 110 if (!spia_mtd) {
114 printk ("Unable to allocate SPIA NAND MTD device structure.\n"); 111 printk("Unable to allocate SPIA NAND MTD device structure.\n");
115 return -ENOMEM; 112 return -ENOMEM;
116 } 113 }
117 114
118 /* Get pointer to private data */ 115 /* Get pointer to private data */
119 this = (struct nand_chip *) (&spia_mtd[1]); 116 this = (struct nand_chip *)(&spia_mtd[1]);
120 117
121 /* Initialize structures */ 118 /* Initialize structures */
122 memset((char *) spia_mtd, 0, sizeof(struct mtd_info)); 119 memset(spia_mtd, 0, sizeof(struct mtd_info));
123 memset((char *) this, 0, sizeof(struct nand_chip)); 120 memset(this, 0, sizeof(struct nand_chip));
124 121
125 /* Link the private data with the MTD structure */ 122 /* Link the private data with the MTD structure */
126 spia_mtd->priv = this; 123 spia_mtd->priv = this;
@@ -129,19 +126,19 @@ int __init spia_init (void)
129 * Set GPIO Port E control register so that the pins are configured 126 * Set GPIO Port E control register so that the pins are configured
130 * to be outputs for controlling the NAND flash. 127 * to be outputs for controlling the NAND flash.
131 */ 128 */
132 (*(volatile unsigned char *) (spia_io_base + spia_peddr)) = 0x07; 129 (*(volatile unsigned char *)(spia_io_base + spia_peddr)) = 0x07;
133 130
134 /* Set address of NAND IO lines */ 131 /* Set address of NAND IO lines */
135 this->IO_ADDR_R = (void __iomem *) spia_fio_base; 132 this->IO_ADDR_R = (void __iomem *)spia_fio_base;
136 this->IO_ADDR_W = (void __iomem *) spia_fio_base; 133 this->IO_ADDR_W = (void __iomem *)spia_fio_base;
137 /* Set address of hardware control function */ 134 /* Set address of hardware control function */
138 this->hwcontrol = spia_hwcontrol; 135 this->hwcontrol = spia_hwcontrol;
139 /* 15 us command delay time */ 136 /* 15 us command delay time */
140 this->chip_delay = 15; 137 this->chip_delay = 15;
141 138
142 /* Scan to find existence of the device */ 139 /* Scan to find existence of the device */
143 if (nand_scan (spia_mtd, 1)) { 140 if (nand_scan(spia_mtd, 1)) {
144 kfree (spia_mtd); 141 kfree(spia_mtd);
145 return -ENXIO; 142 return -ENXIO;
146 } 143 }
147 144
@@ -151,20 +148,22 @@ int __init spia_init (void)
151 /* Return happy */ 148 /* Return happy */
152 return 0; 149 return 0;
153} 150}
151
154module_init(spia_init); 152module_init(spia_init);
155 153
156/* 154/*
157 * Clean up routine 155 * Clean up routine
158 */ 156 */
159#ifdef MODULE 157#ifdef MODULE
160static void __exit spia_cleanup (void) 158static void __exit spia_cleanup(void)
161{ 159{
162 /* Release resources, unregister device */ 160 /* Release resources, unregister device */
163 nand_release (spia_mtd); 161 nand_release(spia_mtd);
164 162
165 /* Free the MTD device structure */ 163 /* Free the MTD device structure */
166 kfree (spia_mtd); 164 kfree(spia_mtd);
167} 165}
166
168module_exit(spia_cleanup); 167module_exit(spia_cleanup);
169#endif 168#endif
170 169
diff --git a/drivers/mtd/nand/toto.c b/drivers/mtd/nand/toto.c
index 7609c43cb3ec..e3a90e60e249 100644
--- a/drivers/mtd/nand/toto.c
+++ b/drivers/mtd/nand/toto.c
@@ -48,7 +48,7 @@ static unsigned long toto_io_base = OMAP_FLASH_1_BASE;
48 48
49#define T_NAND_CTL_CLRALE(iob) gpiosetout(NAND_ALE, 0) 49#define T_NAND_CTL_CLRALE(iob) gpiosetout(NAND_ALE, 0)
50#define T_NAND_CTL_SETALE(iob) gpiosetout(NAND_ALE, NAND_ALE) 50#define T_NAND_CTL_SETALE(iob) gpiosetout(NAND_ALE, NAND_ALE)
51#ifdef CONFIG_NAND_WORKAROUND /* "some" dev boards busted, blue wired to rts2 :( */ 51#ifdef CONFIG_NAND_WORKAROUND /* "some" dev boards busted, blue wired to rts2 :( */
52#define T_NAND_CTL_CLRCLE(iob) gpiosetout(NAND_CLE, 0); rts2setout(2, 2) 52#define T_NAND_CTL_CLRCLE(iob) gpiosetout(NAND_CLE, 0); rts2setout(2, 2)
53#define T_NAND_CTL_SETCLE(iob) gpiosetout(NAND_CLE, NAND_CLE); rts2setout(2, 0) 53#define T_NAND_CTL_SETCLE(iob) gpiosetout(NAND_CLE, NAND_CLE); rts2setout(2, 0)
54#else 54#else
@@ -98,9 +98,8 @@ static struct mtd_partition partition_info32M[] = {
98static void toto_hwcontrol(struct mtd_info *mtd, int cmd) 98static void toto_hwcontrol(struct mtd_info *mtd, int cmd)
99{ 99{
100 100
101 udelay(1); /* hopefully enough time for tc make proceding write to clear */ 101 udelay(1); /* hopefully enough time for tc make proceding write to clear */
102 switch(cmd){ 102 switch (cmd) {
103
104 case NAND_CTL_SETCLE: T_NAND_CTL_SETCLE(cmd); break; 103 case NAND_CTL_SETCLE: T_NAND_CTL_SETCLE(cmd); break;
105 case NAND_CTL_CLRCLE: T_NAND_CTL_CLRCLE(cmd); break; 104 case NAND_CTL_CLRCLE: T_NAND_CTL_CLRCLE(cmd); break;
106 105
@@ -110,32 +109,31 @@ static void toto_hwcontrol(struct mtd_info *mtd, int cmd)
110 case NAND_CTL_SETNCE: T_NAND_CTL_SETNCE(cmd); break; 109 case NAND_CTL_SETNCE: T_NAND_CTL_SETNCE(cmd); break;
111 case NAND_CTL_CLRNCE: T_NAND_CTL_CLRNCE(cmd); break; 110 case NAND_CTL_CLRNCE: T_NAND_CTL_CLRNCE(cmd); break;
112 } 111 }
113 udelay(1); /* allow time to ensure gpio state to over take memory write */ 112 udelay(1); /* allow time to ensure gpio state to over take memory write */
114} 113}
115 114
116/* 115/*
117 * Main initialization routine 116 * Main initialization routine
118 */ 117 */
119int __init toto_init (void) 118int __init toto_init(void)
120{ 119{
121 struct nand_chip *this; 120 struct nand_chip *this;
122 int err = 0; 121 int err = 0;
123 122
124 /* Allocate memory for MTD device structure and private data */ 123 /* Allocate memory for MTD device structure and private data */
125 toto_mtd = kmalloc (sizeof(struct mtd_info) + sizeof (struct nand_chip), 124 toto_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
126 GFP_KERNEL);
127 if (!toto_mtd) { 125 if (!toto_mtd) {
128 printk (KERN_WARNING "Unable to allocate toto NAND MTD device structure.\n"); 126 printk(KERN_WARNING "Unable to allocate toto NAND MTD device structure.\n");
129 err = -ENOMEM; 127 err = -ENOMEM;
130 goto out; 128 goto out;
131 } 129 }
132 130
133 /* Get pointer to private data */ 131 /* Get pointer to private data */
134 this = (struct nand_chip *) (&toto_mtd[1]); 132 this = (struct nand_chip *)(&toto_mtd[1]);
135 133
136 /* Initialize structures */ 134 /* Initialize structures */
137 memset((char *) toto_mtd, 0, sizeof(struct mtd_info)); 135 memset(toto_mtd, 0, sizeof(struct mtd_info));
138 memset((char *) this, 0, sizeof(struct nand_chip)); 136 memset(this, 0, sizeof(struct nand_chip));
139 137
140 /* Link the private data with the MTD structure */ 138 /* Link the private data with the MTD structure */
141 toto_mtd->priv = this; 139 toto_mtd->priv = this;
@@ -149,33 +147,37 @@ int __init toto_init (void)
149 this->chip_delay = 30; 147 this->chip_delay = 30;
150 this->eccmode = NAND_ECC_SOFT; 148 this->eccmode = NAND_ECC_SOFT;
151 149
152 /* Scan to find existance of the device */ 150 /* Scan to find existance of the device */
153 if (nand_scan (toto_mtd, 1)) { 151 if (nand_scan(toto_mtd, 1)) {
154 err = -ENXIO; 152 err = -ENXIO;
155 goto out_mtd; 153 goto out_mtd;
156 } 154 }
157 155
158 /* Register the partitions */ 156 /* Register the partitions */
159 switch(toto_mtd->size){ 157 switch (toto_mtd->size) {
160 case SZ_64M: add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M); break; 158 case SZ_64M:
161 case SZ_32M: add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M); break; 159 add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M);
162 default: { 160 break;
163 printk (KERN_WARNING "Unsupported Nand device\n"); 161 case SZ_32M:
162 add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M);
163 break;
164 default:{
165 printk(KERN_WARNING "Unsupported Nand device\n");
164 err = -ENXIO; 166 err = -ENXIO;
165 goto out_buf; 167 goto out_buf;
166 } 168 }
167 } 169 }
168 170
169 gpioreserve(NAND_MASK); /* claim our gpios */ 171 gpioreserve(NAND_MASK); /* claim our gpios */
170 archflashwp(0,0); /* open up flash for writing */ 172 archflashwp(0, 0); /* open up flash for writing */
171 173
172 goto out; 174 goto out;
173 175
174out_buf: 176 out_buf:
175 kfree (this->data_buf); 177 kfree(this->data_buf);
176out_mtd: 178 out_mtd:
177 kfree (toto_mtd); 179 kfree(toto_mtd);
178out: 180 out:
179 return err; 181 return err;
180} 182}
181 183
@@ -184,20 +186,21 @@ module_init(toto_init);
184/* 186/*
185 * Clean up routine 187 * Clean up routine
186 */ 188 */
187static void __exit toto_cleanup (void) 189static void __exit toto_cleanup(void)
188{ 190{
189 /* Release resources, unregister device */ 191 /* Release resources, unregister device */
190 nand_release (toto_mtd); 192 nand_release(toto_mtd);
191 193
192 /* Free the MTD device structure */ 194 /* Free the MTD device structure */
193 kfree (toto_mtd); 195 kfree(toto_mtd);
194 196
195 /* stop flash writes */ 197 /* stop flash writes */
196 archflashwp(0,1); 198 archflashwp(0, 1);
197 199
198 /* release gpios to system */ 200 /* release gpios to system */
199 gpiorelease(NAND_MASK); 201 gpiorelease(NAND_MASK);
200} 202}
203
201module_exit(toto_cleanup); 204module_exit(toto_cleanup);
202 205
203MODULE_LICENSE("GPL"); 206MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/nand/ts7250.c b/drivers/mtd/nand/ts7250.c
index 643633d91a8b..d2b7d57ace42 100644
--- a/drivers/mtd/nand/ts7250.c
+++ b/drivers/mtd/nand/ts7250.c
@@ -88,7 +88,7 @@ static void ts7250_hwcontrol(struct mtd_info *mtd, int cmd)
88{ 88{
89 unsigned long ctrl = TS72XX_NAND_CONTROL_VIRT_BASE; 89 unsigned long ctrl = TS72XX_NAND_CONTROL_VIRT_BASE;
90 90
91 switch(cmd) { 91 switch (cmd) {
92 case NAND_CTL_SETCLE: 92 case NAND_CTL_SETCLE:
93 __raw_writeb(__raw_readb(ctrl) | 0x2, ctrl); 93 __raw_writeb(__raw_readb(ctrl) | 0x2, ctrl);
94 break; 94 break;
@@ -132,8 +132,7 @@ static int __init ts7250_init(void)
132 return -ENXIO; 132 return -ENXIO;
133 133
134 /* Allocate memory for MTD device structure and private data */ 134 /* Allocate memory for MTD device structure and private data */
135 ts7250_mtd = kmalloc(sizeof(struct mtd_info) + 135 ts7250_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
136 sizeof(struct nand_chip), GFP_KERNEL);
137 if (!ts7250_mtd) { 136 if (!ts7250_mtd) {
138 printk("Unable to allocate TS7250 NAND MTD device structure.\n"); 137 printk("Unable to allocate TS7250 NAND MTD device structure.\n");
139 return -ENOMEM; 138 return -ENOMEM;
@@ -163,11 +162,9 @@ static int __init ts7250_init(void)
163 kfree(ts7250_mtd); 162 kfree(ts7250_mtd);
164 return -ENXIO; 163 return -ENXIO;
165 } 164 }
166
167#ifdef CONFIG_MTD_PARTITIONS 165#ifdef CONFIG_MTD_PARTITIONS
168 ts7250_mtd->name = "ts7250-nand"; 166 ts7250_mtd->name = "ts7250-nand";
169 mtd_parts_nb = parse_mtd_partitions(ts7250_mtd, part_probes, 167 mtd_parts_nb = parse_mtd_partitions(ts7250_mtd, part_probes, &mtd_parts, 0);
170 &mtd_parts, 0);
171 if (mtd_parts_nb > 0) 168 if (mtd_parts_nb > 0)
172 part_type = "command line"; 169 part_type = "command line";
173 else 170 else
@@ -188,6 +185,7 @@ static int __init ts7250_init(void)
188 /* Return happy */ 185 /* Return happy */
189 return 0; 186 return 0;
190} 187}
188
191module_init(ts7250_init); 189module_init(ts7250_init);
192 190
193/* 191/*
@@ -201,6 +199,7 @@ static void __exit ts7250_cleanup(void)
201 /* Free the MTD device structure */ 199 /* Free the MTD device structure */
202 kfree(ts7250_mtd); 200 kfree(ts7250_mtd);
203} 201}
202
204module_exit(ts7250_cleanup); 203module_exit(ts7250_cleanup);
205 204
206MODULE_LICENSE("GPL"); 205MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-29 13:02:42 -0500