diff options
author | David Woodhouse <dwmw2@infradead.org> | 2006-05-13 13:07:53 -0400 |
---|---|---|
committer | David Woodhouse <dwmw2@infradead.org> | 2006-05-13 13:07:53 -0400 |
commit | e0c7d7675331140e5186d2d1a0efce1d3877d379 (patch) | |
tree | 45247eb5029382c64392aa641e8b0e5506ed152f /drivers/mtd/nand/au1550nd.c | |
parent | 6943f8af7d6583be57d67bba8b2644371f6a10ca (diff) |
[MTD NAND] Indent all of drivers/mtd/nand/*.c.
It was just too painful to deal with.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd/nand/au1550nd.c')
-rw-r--r-- | drivers/mtd/nand/au1550nd.c | 143 |
1 files changed, 73 insertions, 70 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 | */ |
39 | static struct mtd_info *au1550_mtd = NULL; | 39 | static struct mtd_info *au1550_mtd = NULL; |
40 | static void __iomem *p_nand; | 40 | static void __iomem *p_nand; |
41 | static int nand_width = 1; /* default x8*/ | 41 | static int nand_width = 1; /* default x8 */ |
42 | 42 | ||
43 | /* | 43 | /* |
44 | * Define partitions for flash device | 44 | * Define partitions for flash device |
45 | */ | 45 | */ |
46 | static const struct mtd_partition partition_info[] = { | 46 | static 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 | */ |
318 | int __init au1xxx_nand_init (void) | 324 | int __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 |
481 | static void __exit au1550_cleanup (void) | 483 | static 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 | |||
494 | module_exit(au1550_cleanup); | 497 | module_exit(au1550_cleanup); |
495 | #endif | 498 | #endif |
496 | 499 | ||