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-rw-r--r--include/linux/mtd/bbm.h39
-rw-r--r--include/linux/mtd/mtd.h82
-rw-r--r--include/linux/mtd/nand.h92
-rw-r--r--include/linux/mtd/onenand.h4
-rw-r--r--include/linux/mtd/partitions.h46
-rw-r--r--include/linux/mtd/physmap.h17
6 files changed, 124 insertions, 156 deletions
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index 57cc0e63714f..c4eec228eef9 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -86,24 +86,39 @@ struct nand_bbt_descr {
86#define NAND_BBT_VERSION 0x00000100 86#define NAND_BBT_VERSION 0x00000100
87/* Create a bbt if none exists */ 87/* Create a bbt if none exists */
88#define NAND_BBT_CREATE 0x00000200 88#define NAND_BBT_CREATE 0x00000200
89/*
90 * Create an empty BBT with no vendor information. Vendor's information may be
91 * unavailable, for example, if the NAND controller has a different data and OOB
92 * layout or if this information is already purged. Must be used in conjunction
93 * with NAND_BBT_CREATE.
94 */
95#define NAND_BBT_CREATE_EMPTY 0x00000400
89/* Search good / bad pattern through all pages of a block */ 96/* Search good / bad pattern through all pages of a block */
90#define NAND_BBT_SCANALLPAGES 0x00000400 97#define NAND_BBT_SCANALLPAGES 0x00000800
91/* Scan block empty during good / bad block scan */ 98/* Scan block empty during good / bad block scan */
92#define NAND_BBT_SCANEMPTY 0x00000800 99#define NAND_BBT_SCANEMPTY 0x00001000
93/* Write bbt if neccecary */ 100/* Write bbt if neccecary */
94#define NAND_BBT_WRITE 0x00001000 101#define NAND_BBT_WRITE 0x00002000
95/* Read and write back block contents when writing bbt */ 102/* Read and write back block contents when writing bbt */
96#define NAND_BBT_SAVECONTENT 0x00002000 103#define NAND_BBT_SAVECONTENT 0x00004000
97/* Search good / bad pattern on the first and the second page */ 104/* Search good / bad pattern on the first and the second page */
98#define NAND_BBT_SCAN2NDPAGE 0x00004000 105#define NAND_BBT_SCAN2NDPAGE 0x00008000
99/* Search good / bad pattern on the last page of the eraseblock */ 106/* Search good / bad pattern on the last page of the eraseblock */
100#define NAND_BBT_SCANLASTPAGE 0x00008000 107#define NAND_BBT_SCANLASTPAGE 0x00010000
101/* Chip stores bad block marker on BOTH 1st and 6th bytes of OOB */ 108/*
102#define NAND_BBT_SCANBYTE1AND6 0x00100000 109 * Use a flash based bad block table. By default, OOB identifier is saved in
103/* The nand_bbt_descr was created dynamicaly and must be freed */ 110 * OOB area. This option is passed to the default bad block table function.
104#define NAND_BBT_DYNAMICSTRUCT 0x00200000 111 */
105/* The bad block table does not OOB for marker */ 112#define NAND_BBT_USE_FLASH 0x00020000
106#define NAND_BBT_NO_OOB 0x00400000 113/* Do not store flash based bad block table in OOB area; store it in-band */
114#define NAND_BBT_NO_OOB 0x00040000
115
116/*
117 * Flag set by nand_create_default_bbt_descr(), marking that the nand_bbt_descr
118 * was allocated dynamicaly and must be freed in nand_release(). Has no meaning
119 * in nand_chip.bbt_options.
120 */
121#define NAND_BBT_DYNAMICSTRUCT 0x80000000
107 122
108/* The maximum number of blocks to scan for a bbt */ 123/* The maximum number of blocks to scan for a bbt */
109#define NAND_BBT_SCAN_MAXBLOCKS 4 124#define NAND_BBT_SCAN_MAXBLOCKS 4
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 37be05bbfbc8..9f5b312af783 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -32,17 +32,19 @@
32#define MTD_CHAR_MAJOR 90 32#define MTD_CHAR_MAJOR 90
33#define MTD_BLOCK_MAJOR 31 33#define MTD_BLOCK_MAJOR 31
34 34
35#define MTD_ERASE_PENDING 0x01 35#define MTD_ERASE_PENDING 0x01
36#define MTD_ERASING 0x02 36#define MTD_ERASING 0x02
37#define MTD_ERASE_SUSPEND 0x04 37#define MTD_ERASE_SUSPEND 0x04
38#define MTD_ERASE_DONE 0x08 38#define MTD_ERASE_DONE 0x08
39#define MTD_ERASE_FAILED 0x10 39#define MTD_ERASE_FAILED 0x10
40 40
41#define MTD_FAIL_ADDR_UNKNOWN -1LL 41#define MTD_FAIL_ADDR_UNKNOWN -1LL
42 42
43/* If the erase fails, fail_addr might indicate exactly which block failed. If 43/*
44 fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not 44 * If the erase fails, fail_addr might indicate exactly which block failed. If
45 specific to any particular block. */ 45 * fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level
46 * or was not specific to any particular block.
47 */
46struct erase_info { 48struct erase_info {
47 struct mtd_info *mtd; 49 struct mtd_info *mtd;
48 uint64_t addr; 50 uint64_t addr;
@@ -59,26 +61,12 @@ struct erase_info {
59}; 61};
60 62
61struct mtd_erase_region_info { 63struct mtd_erase_region_info {
62 uint64_t offset; /* At which this region starts, from the beginning of the MTD */ 64 uint64_t offset; /* At which this region starts, from the beginning of the MTD */
63 uint32_t erasesize; /* For this region */ 65 uint32_t erasesize; /* For this region */
64 uint32_t numblocks; /* Number of blocks of erasesize in this region */ 66 uint32_t numblocks; /* Number of blocks of erasesize in this region */
65 unsigned long *lockmap; /* If keeping bitmap of locks */ 67 unsigned long *lockmap; /* If keeping bitmap of locks */
66}; 68};
67 69
68/*
69 * oob operation modes
70 *
71 * MTD_OOB_PLACE: oob data are placed at the given offset
72 * MTD_OOB_AUTO: oob data are automatically placed at the free areas
73 * which are defined by the ecclayout
74 * MTD_OOB_RAW: mode to read oob and data without doing ECC checking
75 */
76typedef enum {
77 MTD_OOB_PLACE,
78 MTD_OOB_AUTO,
79 MTD_OOB_RAW,
80} mtd_oob_mode_t;
81
82/** 70/**
83 * struct mtd_oob_ops - oob operation operands 71 * struct mtd_oob_ops - oob operation operands
84 * @mode: operation mode 72 * @mode: operation mode
@@ -90,7 +78,7 @@ typedef enum {
90 * @ooblen: number of oob bytes to write/read 78 * @ooblen: number of oob bytes to write/read
91 * @oobretlen: number of oob bytes written/read 79 * @oobretlen: number of oob bytes written/read
92 * @ooboffs: offset of oob data in the oob area (only relevant when 80 * @ooboffs: offset of oob data in the oob area (only relevant when
93 * mode = MTD_OOB_PLACE) 81 * mode = MTD_OPS_PLACE_OOB or MTD_OPS_RAW)
94 * @datbuf: data buffer - if NULL only oob data are read/written 82 * @datbuf: data buffer - if NULL only oob data are read/written
95 * @oobbuf: oob data buffer 83 * @oobbuf: oob data buffer
96 * 84 *
@@ -99,7 +87,7 @@ typedef enum {
99 * OOB area. 87 * OOB area.
100 */ 88 */
101struct mtd_oob_ops { 89struct mtd_oob_ops {
102 mtd_oob_mode_t mode; 90 unsigned int mode;
103 size_t len; 91 size_t len;
104 size_t retlen; 92 size_t retlen;
105 size_t ooblen; 93 size_t ooblen;
@@ -173,7 +161,7 @@ struct mtd_info {
173 const char *name; 161 const char *name;
174 int index; 162 int index;
175 163
176 /* ecc layout structure pointer - read only ! */ 164 /* ECC layout structure pointer - read only! */
177 struct nand_ecclayout *ecclayout; 165 struct nand_ecclayout *ecclayout;
178 166
179 /* Data for variable erase regions. If numeraseregions is zero, 167 /* Data for variable erase regions. If numeraseregions is zero,
@@ -324,10 +312,15 @@ static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd)
324 /* Kernel-side ioctl definitions */ 312 /* Kernel-side ioctl definitions */
325 313
326struct mtd_partition; 314struct mtd_partition;
327 315struct mtd_part_parser_data;
328extern int mtd_device_register(struct mtd_info *master, 316
329 const struct mtd_partition *parts, 317extern int mtd_device_parse_register(struct mtd_info *mtd,
330 int nr_parts); 318 const char **part_probe_types,
319 struct mtd_part_parser_data *parser_data,
320 const struct mtd_partition *defparts,
321 int defnr_parts);
322#define mtd_device_register(master, parts, nr_parts) \
323 mtd_device_parse_register(master, NULL, NULL, parts, nr_parts)
331extern int mtd_device_unregister(struct mtd_info *master); 324extern int mtd_device_unregister(struct mtd_info *master);
332extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num); 325extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
333extern int __get_mtd_device(struct mtd_info *mtd); 326extern int __get_mtd_device(struct mtd_info *mtd);
@@ -356,27 +349,16 @@ void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
356 349
357void mtd_erase_callback(struct erase_info *instr); 350void mtd_erase_callback(struct erase_info *instr);
358 351
359/* 352static inline int mtd_is_bitflip(int err) {
360 * Debugging macro and defines 353 return err == -EUCLEAN;
361 */ 354}
362#define MTD_DEBUG_LEVEL0 (0) /* Quiet */ 355
363#define MTD_DEBUG_LEVEL1 (1) /* Audible */ 356static inline int mtd_is_eccerr(int err) {
364#define MTD_DEBUG_LEVEL2 (2) /* Loud */ 357 return err == -EBADMSG;
365#define MTD_DEBUG_LEVEL3 (3) /* Noisy */ 358}
366 359
367#ifdef CONFIG_MTD_DEBUG 360static inline int mtd_is_bitflip_or_eccerr(int err) {
368#define DEBUG(n, args...) \ 361 return mtd_is_bitflip(err) || mtd_is_eccerr(err);
369 do { \ 362}
370 if (n <= CONFIG_MTD_DEBUG_VERBOSE) \
371 printk(KERN_INFO args); \
372 } while(0)
373#else /* CONFIG_MTD_DEBUG */
374#define DEBUG(n, args...) \
375 do { \
376 if (0) \
377 printk(KERN_INFO args); \
378 } while(0)
379
380#endif /* CONFIG_MTD_DEBUG */
381 363
382#endif /* __MTD_MTD_H__ */ 364#endif /* __MTD_MTD_H__ */
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index c2b9ac4fbc4a..904131bab501 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -42,10 +42,10 @@ extern void nand_release(struct mtd_info *mtd);
42/* Internal helper for board drivers which need to override command function */ 42/* Internal helper for board drivers which need to override command function */
43extern void nand_wait_ready(struct mtd_info *mtd); 43extern void nand_wait_ready(struct mtd_info *mtd);
44 44
45/* locks all blockes present in the device */ 45/* locks all blocks present in the device */
46extern int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len); 46extern int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
47 47
48/* unlocks specified locked blockes */ 48/* unlocks specified locked blocks */
49extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len); 49extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
50 50
51/* The maximum number of NAND chips in an array */ 51/* The maximum number of NAND chips in an array */
@@ -150,7 +150,7 @@ typedef enum {
150#define NAND_ECC_READ 0 150#define NAND_ECC_READ 0
151/* Reset Hardware ECC for write */ 151/* Reset Hardware ECC for write */
152#define NAND_ECC_WRITE 1 152#define NAND_ECC_WRITE 1
153/* Enable Hardware ECC before syndrom is read back from flash */ 153/* Enable Hardware ECC before syndrome is read back from flash */
154#define NAND_ECC_READSYN 2 154#define NAND_ECC_READSYN 2
155 155
156/* Bit mask for flags passed to do_nand_read_ecc */ 156/* Bit mask for flags passed to do_nand_read_ecc */
@@ -163,7 +163,7 @@ typedef enum {
163 */ 163 */
164/* Chip can not auto increment pages */ 164/* Chip can not auto increment pages */
165#define NAND_NO_AUTOINCR 0x00000001 165#define NAND_NO_AUTOINCR 0x00000001
166/* Buswitdh is 16 bit */ 166/* Buswidth is 16 bit */
167#define NAND_BUSWIDTH_16 0x00000002 167#define NAND_BUSWIDTH_16 0x00000002
168/* Device supports partial programming without padding */ 168/* Device supports partial programming without padding */
169#define NAND_NO_PADDING 0x00000004 169#define NAND_NO_PADDING 0x00000004
@@ -219,27 +219,15 @@ typedef enum {
219#define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR) 219#define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR)
220 220
221/* Non chip related options */ 221/* Non chip related options */
222/*
223 * Use a flash based bad block table. OOB identifier is saved in OOB area.
224 * This option is passed to the default bad block table function.
225 */
226#define NAND_USE_FLASH_BBT 0x00010000
227/* This option skips the bbt scan during initialization. */ 222/* This option skips the bbt scan during initialization. */
228#define NAND_SKIP_BBTSCAN 0x00020000 223#define NAND_SKIP_BBTSCAN 0x00010000
229/* 224/*
230 * This option is defined if the board driver allocates its own buffers 225 * This option is defined if the board driver allocates its own buffers
231 * (e.g. because it needs them DMA-coherent). 226 * (e.g. because it needs them DMA-coherent).
232 */ 227 */
233#define NAND_OWN_BUFFERS 0x00040000 228#define NAND_OWN_BUFFERS 0x00020000
234/* Chip may not exist, so silence any errors in scan */ 229/* Chip may not exist, so silence any errors in scan */
235#define NAND_SCAN_SILENT_NODEV 0x00080000 230#define NAND_SCAN_SILENT_NODEV 0x00040000
236/*
237 * If passed additionally to NAND_USE_FLASH_BBT then BBT code will not touch
238 * the OOB area.
239 */
240#define NAND_USE_FLASH_BBT_NO_OOB 0x00800000
241/* Create an empty BBT with no vendor information if the BBT is available */
242#define NAND_CREATE_EMPTY_BBT 0x01000000
243 231
244/* Options set by nand scan */ 232/* Options set by nand scan */
245/* Nand scan has allocated controller struct */ 233/* Nand scan has allocated controller struct */
@@ -331,27 +319,29 @@ struct nand_hw_control {
331}; 319};
332 320
333/** 321/**
334 * struct nand_ecc_ctrl - Control structure for ecc 322 * struct nand_ecc_ctrl - Control structure for ECC
335 * @mode: ecc mode 323 * @mode: ECC mode
336 * @steps: number of ecc steps per page 324 * @steps: number of ECC steps per page
337 * @size: data bytes per ecc step 325 * @size: data bytes per ECC step
338 * @bytes: ecc bytes per step 326 * @bytes: ECC bytes per step
339 * @total: total number of ecc bytes per page 327 * @total: total number of ECC bytes per page
340 * @prepad: padding information for syndrome based ecc generators 328 * @prepad: padding information for syndrome based ECC generators
341 * @postpad: padding information for syndrome based ecc generators 329 * @postpad: padding information for syndrome based ECC generators
342 * @layout: ECC layout control struct pointer 330 * @layout: ECC layout control struct pointer
343 * @priv: pointer to private ecc control data 331 * @priv: pointer to private ECC control data
344 * @hwctl: function to control hardware ecc generator. Must only 332 * @hwctl: function to control hardware ECC generator. Must only
345 * be provided if an hardware ECC is available 333 * be provided if an hardware ECC is available
346 * @calculate: function for ecc calculation or readback from ecc hardware 334 * @calculate: function for ECC calculation or readback from ECC hardware
347 * @correct: function for ecc correction, matching to ecc generator (sw/hw) 335 * @correct: function for ECC correction, matching to ECC generator (sw/hw)
348 * @read_page_raw: function to read a raw page without ECC 336 * @read_page_raw: function to read a raw page without ECC
349 * @write_page_raw: function to write a raw page without ECC 337 * @write_page_raw: function to write a raw page without ECC
350 * @read_page: function to read a page according to the ecc generator 338 * @read_page: function to read a page according to the ECC generator
351 * requirements. 339 * requirements.
352 * @read_subpage: function to read parts of the page covered by ECC. 340 * @read_subpage: function to read parts of the page covered by ECC.
353 * @write_page: function to write a page according to the ecc generator 341 * @write_page: function to write a page according to the ECC generator
354 * requirements. 342 * requirements.
343 * @write_oob_raw: function to write chip OOB data without ECC
344 * @read_oob_raw: function to read chip OOB data without ECC
355 * @read_oob: function to read chip OOB data 345 * @read_oob: function to read chip OOB data
356 * @write_oob: function to write chip OOB data 346 * @write_oob: function to write chip OOB data
357 */ 347 */
@@ -380,6 +370,10 @@ struct nand_ecc_ctrl {
380 uint32_t offs, uint32_t len, uint8_t *buf); 370 uint32_t offs, uint32_t len, uint8_t *buf);
381 void (*write_page)(struct mtd_info *mtd, struct nand_chip *chip, 371 void (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
382 const uint8_t *buf); 372 const uint8_t *buf);
373 int (*write_oob_raw)(struct mtd_info *mtd, struct nand_chip *chip,
374 int page);
375 int (*read_oob_raw)(struct mtd_info *mtd, struct nand_chip *chip,
376 int page, int sndcmd);
383 int (*read_oob)(struct mtd_info *mtd, struct nand_chip *chip, int page, 377 int (*read_oob)(struct mtd_info *mtd, struct nand_chip *chip, int page,
384 int sndcmd); 378 int sndcmd);
385 int (*write_oob)(struct mtd_info *mtd, struct nand_chip *chip, 379 int (*write_oob)(struct mtd_info *mtd, struct nand_chip *chip,
@@ -388,8 +382,8 @@ struct nand_ecc_ctrl {
388 382
389/** 383/**
390 * struct nand_buffers - buffer structure for read/write 384 * struct nand_buffers - buffer structure for read/write
391 * @ecccalc: buffer for calculated ecc 385 * @ecccalc: buffer for calculated ECC
392 * @ecccode: buffer for ecc read from flash 386 * @ecccode: buffer for ECC read from flash
393 * @databuf: buffer for data - dynamically sized 387 * @databuf: buffer for data - dynamically sized
394 * 388 *
395 * Do not change the order of buffers. databuf and oobrbuf must be in 389 * Do not change the order of buffers. databuf and oobrbuf must be in
@@ -422,7 +416,7 @@ struct nand_buffers {
422 * mtd->oobsize, mtd->writesize and so on. 416 * mtd->oobsize, mtd->writesize and so on.
423 * @id_data contains the 8 bytes values of NAND_CMD_READID. 417 * @id_data contains the 8 bytes values of NAND_CMD_READID.
424 * Return with the bus width. 418 * Return with the bus width.
425 * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accesing 419 * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accessing
426 * device ready/busy line. If set to NULL no access to 420 * device ready/busy line. If set to NULL no access to
427 * ready/busy is available and the ready/busy information 421 * ready/busy is available and the ready/busy information
428 * is read from the chip status register. 422 * is read from the chip status register.
@@ -430,17 +424,17 @@ struct nand_buffers {
430 * commands to the chip. 424 * commands to the chip.
431 * @waitfunc: [REPLACEABLE] hardwarespecific function for wait on 425 * @waitfunc: [REPLACEABLE] hardwarespecific function for wait on
432 * ready. 426 * ready.
433 * @ecc: [BOARDSPECIFIC] ecc control ctructure 427 * @ecc: [BOARDSPECIFIC] ECC control structure
434 * @buffers: buffer structure for read/write 428 * @buffers: buffer structure for read/write
435 * @hwcontrol: platform-specific hardware control structure 429 * @hwcontrol: platform-specific hardware control structure
436 * @ops: oob operation operands
437 * @erase_cmd: [INTERN] erase command write function, selectable due 430 * @erase_cmd: [INTERN] erase command write function, selectable due
438 * to AND support. 431 * to AND support.
439 * @scan_bbt: [REPLACEABLE] function to scan bad block table 432 * @scan_bbt: [REPLACEABLE] function to scan bad block table
440 * @chip_delay: [BOARDSPECIFIC] chip dependent delay for transferring 433 * @chip_delay: [BOARDSPECIFIC] chip dependent delay for transferring
441 * data from array to read regs (tR). 434 * data from array to read regs (tR).
442 * @state: [INTERN] the current state of the NAND device 435 * @state: [INTERN] the current state of the NAND device
443 * @oob_poi: poison value buffer 436 * @oob_poi: "poison value buffer," used for laying out OOB data
437 * before writing
444 * @page_shift: [INTERN] number of address bits in a page (column 438 * @page_shift: [INTERN] number of address bits in a page (column
445 * address bits). 439 * address bits).
446 * @phys_erase_shift: [INTERN] number of address bits in a physical eraseblock 440 * @phys_erase_shift: [INTERN] number of address bits in a physical eraseblock
@@ -449,6 +443,9 @@ struct nand_buffers {
449 * @options: [BOARDSPECIFIC] various chip options. They can partly 443 * @options: [BOARDSPECIFIC] various chip options. They can partly
450 * be set to inform nand_scan about special functionality. 444 * be set to inform nand_scan about special functionality.
451 * See the defines for further explanation. 445 * See the defines for further explanation.
446 * @bbt_options: [INTERN] bad block specific options. All options used
447 * here must come from bbm.h. By default, these options
448 * will be copied to the appropriate nand_bbt_descr's.
452 * @badblockpos: [INTERN] position of the bad block marker in the oob 449 * @badblockpos: [INTERN] position of the bad block marker in the oob
453 * area. 450 * area.
454 * @badblockbits: [INTERN] number of bits to left-shift the bad block 451 * @badblockbits: [INTERN] number of bits to left-shift the bad block
@@ -464,7 +461,7 @@ struct nand_buffers {
464 * non 0 if ONFI supported. 461 * non 0 if ONFI supported.
465 * @onfi_params: [INTERN] holds the ONFI page parameter when ONFI is 462 * @onfi_params: [INTERN] holds the ONFI page parameter when ONFI is
466 * supported, 0 otherwise. 463 * supported, 0 otherwise.
467 * @ecclayout: [REPLACEABLE] the default ecc placement scheme 464 * @ecclayout: [REPLACEABLE] the default ECC placement scheme
468 * @bbt: [INTERN] bad block table pointer 465 * @bbt: [INTERN] bad block table pointer
469 * @bbt_td: [REPLACEABLE] bad block table descriptor for flash 466 * @bbt_td: [REPLACEABLE] bad block table descriptor for flash
470 * lookup. 467 * lookup.
@@ -472,9 +469,9 @@ struct nand_buffers {
472 * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial 469 * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial
473 * bad block scan. 470 * bad block scan.
474 * @controller: [REPLACEABLE] a pointer to a hardware controller 471 * @controller: [REPLACEABLE] a pointer to a hardware controller
475 * structure which is shared among multiple independend 472 * structure which is shared among multiple independent
476 * devices. 473 * devices.
477 * @priv: [OPTIONAL] pointer to private chip date 474 * @priv: [OPTIONAL] pointer to private chip data
478 * @errstat: [OPTIONAL] hardware specific function to perform 475 * @errstat: [OPTIONAL] hardware specific function to perform
479 * additional error status checks (determine if errors are 476 * additional error status checks (determine if errors are
480 * correctable). 477 * correctable).
@@ -509,6 +506,7 @@ struct nand_chip {
509 506
510 int chip_delay; 507 int chip_delay;
511 unsigned int options; 508 unsigned int options;
509 unsigned int bbt_options;
512 510
513 int page_shift; 511 int page_shift;
514 int phys_erase_shift; 512 int phys_erase_shift;
@@ -536,8 +534,6 @@ struct nand_chip {
536 struct nand_buffers *buffers; 534 struct nand_buffers *buffers;
537 struct nand_hw_control hwcontrol; 535 struct nand_hw_control hwcontrol;
538 536
539 struct mtd_oob_ops ops;
540
541 uint8_t *bbt; 537 uint8_t *bbt;
542 struct nand_bbt_descr *bbt_td; 538 struct nand_bbt_descr *bbt_td;
543 struct nand_bbt_descr *bbt_md; 539 struct nand_bbt_descr *bbt_md;
@@ -611,10 +607,9 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
611 * @partitions: mtd partition list 607 * @partitions: mtd partition list
612 * @chip_delay: R/B delay value in us 608 * @chip_delay: R/B delay value in us
613 * @options: Option flags, e.g. 16bit buswidth 609 * @options: Option flags, e.g. 16bit buswidth
614 * @ecclayout: ecc layout info structure 610 * @bbt_options: BBT option flags, e.g. NAND_BBT_USE_FLASH
611 * @ecclayout: ECC layout info structure
615 * @part_probe_types: NULL-terminated array of probe types 612 * @part_probe_types: NULL-terminated array of probe types
616 * @set_parts: platform specific function to set partitions
617 * @priv: hardware controller specific settings
618 */ 613 */
619struct platform_nand_chip { 614struct platform_nand_chip {
620 int nr_chips; 615 int nr_chips;
@@ -624,9 +619,8 @@ struct platform_nand_chip {
624 struct nand_ecclayout *ecclayout; 619 struct nand_ecclayout *ecclayout;
625 int chip_delay; 620 int chip_delay;
626 unsigned int options; 621 unsigned int options;
622 unsigned int bbt_options;
627 const char **part_probe_types; 623 const char **part_probe_types;
628 void (*set_parts)(uint64_t size, struct platform_nand_chip *chip);
629 void *priv;
630}; 624};
631 625
632/* Keep gcc happy */ 626/* Keep gcc happy */
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 52b6f187bf49..4596503c9da9 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -184,6 +184,9 @@ struct onenand_chip {
184#define ONENAND_IS_CACHE_PROGRAM(this) \ 184#define ONENAND_IS_CACHE_PROGRAM(this) \
185 (this->options & ONENAND_HAS_CACHE_PROGRAM) 185 (this->options & ONENAND_HAS_CACHE_PROGRAM)
186 186
187#define ONENAND_IS_NOP_1(this) \
188 (this->options & ONENAND_HAS_NOP_1)
189
187/* Check byte access in OneNAND */ 190/* Check byte access in OneNAND */
188#define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1) 191#define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1)
189 192
@@ -195,6 +198,7 @@ struct onenand_chip {
195#define ONENAND_HAS_2PLANE (0x0004) 198#define ONENAND_HAS_2PLANE (0x0004)
196#define ONENAND_HAS_4KB_PAGE (0x0008) 199#define ONENAND_HAS_4KB_PAGE (0x0008)
197#define ONENAND_HAS_CACHE_PROGRAM (0x0010) 200#define ONENAND_HAS_CACHE_PROGRAM (0x0010)
201#define ONENAND_HAS_NOP_1 (0x0020)
198#define ONENAND_SKIP_UNLOCK_CHECK (0x0100) 202#define ONENAND_SKIP_UNLOCK_CHECK (0x0100)
199#define ONENAND_PAGEBUF_ALLOC (0x1000) 203#define ONENAND_PAGEBUF_ALLOC (0x1000)
200#define ONENAND_OOBBUF_ALLOC (0x2000) 204#define ONENAND_OOBBUF_ALLOC (0x2000)
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index 3a6f0372fc96..2475228c1158 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -24,7 +24,9 @@
24 * will extend to the end of the master MTD device. 24 * will extend to the end of the master MTD device.
25 * offset: absolute starting position within the master MTD device; if 25 * offset: absolute starting position within the master MTD device; if
26 * defined as MTDPART_OFS_APPEND, the partition will start where the 26 * defined as MTDPART_OFS_APPEND, the partition will start where the
27 * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block. 27 * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block;
28 * if MTDPART_OFS_RETAIN, consume as much as possible, leaving size
29 * after the end of partition.
28 * mask_flags: contains flags that have to be masked (removed) from the 30 * mask_flags: contains flags that have to be masked (removed) from the
29 * master MTD flag set for the corresponding MTD partition. 31 * master MTD flag set for the corresponding MTD partition.
30 * For example, to force a read-only partition, simply adding 32 * For example, to force a read-only partition, simply adding
@@ -42,12 +44,25 @@ struct mtd_partition {
42 struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */ 44 struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */
43}; 45};
44 46
47#define MTDPART_OFS_RETAIN (-3)
45#define MTDPART_OFS_NXTBLK (-2) 48#define MTDPART_OFS_NXTBLK (-2)
46#define MTDPART_OFS_APPEND (-1) 49#define MTDPART_OFS_APPEND (-1)
47#define MTDPART_SIZ_FULL (0) 50#define MTDPART_SIZ_FULL (0)
48 51
49 52
50struct mtd_info; 53struct mtd_info;
54struct device_node;
55
56/**
57 * struct mtd_part_parser_data - used to pass data to MTD partition parsers.
58 * @origin: for RedBoot, start address of MTD device
59 * @of_node: for OF parsers, device node containing partitioning information
60 */
61struct mtd_part_parser_data {
62 unsigned long origin;
63 struct device_node *of_node;
64};
65
51 66
52/* 67/*
53 * Functions dealing with the various ways of partitioning the space 68 * Functions dealing with the various ways of partitioning the space
@@ -57,37 +72,12 @@ struct mtd_part_parser {
57 struct list_head list; 72 struct list_head list;
58 struct module *owner; 73 struct module *owner;
59 const char *name; 74 const char *name;
60 int (*parse_fn)(struct mtd_info *, struct mtd_partition **, unsigned long); 75 int (*parse_fn)(struct mtd_info *, struct mtd_partition **,
76 struct mtd_part_parser_data *);
61}; 77};
62 78
63extern int register_mtd_parser(struct mtd_part_parser *parser); 79extern int register_mtd_parser(struct mtd_part_parser *parser);
64extern int deregister_mtd_parser(struct mtd_part_parser *parser); 80extern int deregister_mtd_parser(struct mtd_part_parser *parser);
65extern int parse_mtd_partitions(struct mtd_info *master, const char **types,
66 struct mtd_partition **pparts, unsigned long origin);
67
68#define put_partition_parser(p) do { module_put((p)->owner); } while(0)
69
70struct device;
71struct device_node;
72
73#ifdef CONFIG_MTD_OF_PARTS
74int __devinit of_mtd_parse_partitions(struct device *dev,
75 struct device_node *node,
76 struct mtd_partition **pparts);
77#else
78static inline int of_mtd_parse_partitions(struct device *dev,
79 struct device_node *node,
80 struct mtd_partition **pparts)
81{
82 return 0;
83}
84#endif
85
86#ifdef CONFIG_MTD_CMDLINE_PARTS
87static inline int mtd_has_cmdlinepart(void) { return 1; }
88#else
89static inline int mtd_has_cmdlinepart(void) { return 0; }
90#endif
91 81
92int mtd_is_partition(struct mtd_info *mtd); 82int mtd_is_partition(struct mtd_info *mtd);
93int mtd_add_partition(struct mtd_info *master, char *name, 83int mtd_add_partition(struct mtd_info *master, char *name,
diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h
index e5f21d293c70..04e018160e2b 100644
--- a/include/linux/mtd/physmap.h
+++ b/include/linux/mtd/physmap.h
@@ -32,21 +32,4 @@ struct physmap_flash_data {
32 struct mtd_partition *parts; 32 struct mtd_partition *parts;
33}; 33};
34 34
35/*
36 * Board needs to specify the exact mapping during their setup time.
37 */
38void physmap_configure(unsigned long addr, unsigned long size,
39 int bankwidth, void (*set_vpp)(struct map_info *, int) );
40
41/*
42 * Machines that wish to do flash partition may want to call this function in
43 * their setup routine.
44 *
45 * physmap_set_partitions(mypartitions, num_parts);
46 *
47 * Note that one can always override this hard-coded partition with
48 * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
49 */
50void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
51
52#endif /* __LINUX_MTD_PHYSMAP__ */ 35#endif /* __LINUX_MTD_PHYSMAP__ */