diff options
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/bbm.h | 122 | ||||
| -rw-r--r-- | include/linux/mtd/blktrans.h | 4 | ||||
| -rw-r--r-- | include/linux/mtd/cfi.h | 34 | ||||
| -rw-r--r-- | include/linux/mtd/doc2000.h | 18 | ||||
| -rw-r--r-- | include/linux/mtd/flashchip.h | 14 | ||||
| -rw-r--r-- | include/linux/mtd/ftl.h | 6 | ||||
| -rw-r--r-- | include/linux/mtd/gen_probe.h | 4 | ||||
| -rw-r--r-- | include/linux/mtd/jedec.h | 20 | ||||
| -rw-r--r-- | include/linux/mtd/map.h | 14 | ||||
| -rw-r--r-- | include/linux/mtd/mtd.h | 37 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 57 | ||||
| -rw-r--r-- | include/linux/mtd/onenand.h | 155 | ||||
| -rw-r--r-- | include/linux/mtd/onenand_regs.h | 180 | ||||
| -rw-r--r-- | include/linux/mtd/partitions.h | 20 | ||||
| -rw-r--r-- | include/linux/mtd/physmap.h | 12 | ||||
| -rw-r--r-- | include/linux/mtd/pmc551.h | 12 | ||||
| -rw-r--r-- | include/linux/mtd/xip.h | 20 |
17 files changed, 602 insertions, 127 deletions
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h new file mode 100644 index 000000000000..7a7fbe87fef0 --- /dev/null +++ b/include/linux/mtd/bbm.h | |||
| @@ -0,0 +1,122 @@ | |||
| 1 | /* | ||
| 2 | * linux/include/linux/mtd/bbm.h | ||
| 3 | * | ||
| 4 | * NAND family Bad Block Management (BBM) header file | ||
| 5 | * - Bad Block Table (BBT) implementation | ||
| 6 | * | ||
| 7 | * Copyright (c) 2005 Samsung Electronics | ||
| 8 | * Kyungmin Park <kyungmin.park@samsung.com> | ||
| 9 | * | ||
| 10 | * Copyright (c) 2000-2005 | ||
| 11 | * Thomas Gleixner <tglx@linuxtronix.de> | ||
| 12 | * | ||
| 13 | */ | ||
| 14 | #ifndef __LINUX_MTD_BBM_H | ||
| 15 | #define __LINUX_MTD_BBM_H | ||
| 16 | |||
| 17 | /* The maximum number of NAND chips in an array */ | ||
| 18 | #define NAND_MAX_CHIPS 8 | ||
| 19 | |||
| 20 | /** | ||
| 21 | * struct nand_bbt_descr - bad block table descriptor | ||
| 22 | * @param options options for this descriptor | ||
| 23 | * @param pages the page(s) where we find the bbt, used with | ||
| 24 | * option BBT_ABSPAGE when bbt is searched, | ||
| 25 | * then we store the found bbts pages here. | ||
| 26 | * Its an array and supports up to 8 chips now | ||
| 27 | * @param offs offset of the pattern in the oob area of the page | ||
| 28 | * @param veroffs offset of the bbt version counter in the oob are of the page | ||
| 29 | * @param version version read from the bbt page during scan | ||
| 30 | * @param len length of the pattern, if 0 no pattern check is performed | ||
| 31 | * @param maxblocks maximum number of blocks to search for a bbt. This number of | ||
| 32 | * blocks is reserved at the end of the device | ||
| 33 | * where the tables are written. | ||
| 34 | * @param reserved_block_code if non-0, this pattern denotes a reserved | ||
| 35 | * (rather than bad) block in the stored bbt | ||
| 36 | * @param pattern pattern to identify bad block table or factory marked | ||
| 37 | * good / bad blocks, can be NULL, if len = 0 | ||
| 38 | * | ||
| 39 | * Descriptor for the bad block table marker and the descriptor for the | ||
| 40 | * pattern which identifies good and bad blocks. The assumption is made | ||
| 41 | * that the pattern and the version count are always located in the oob area | ||
| 42 | * of the first block. | ||
| 43 | */ | ||
| 44 | struct nand_bbt_descr { | ||
| 45 | int options; | ||
| 46 | int pages[NAND_MAX_CHIPS]; | ||
| 47 | int offs; | ||
| 48 | int veroffs; | ||
| 49 | uint8_t version[NAND_MAX_CHIPS]; | ||
| 50 | int len; | ||
| 51 | int maxblocks; | ||
| 52 | int reserved_block_code; | ||
| 53 | uint8_t *pattern; | ||
| 54 | }; | ||
| 55 | |||
| 56 | /* Options for the bad block table descriptors */ | ||
| 57 | |||
| 58 | /* The number of bits used per block in the bbt on the device */ | ||
| 59 | #define NAND_BBT_NRBITS_MSK 0x0000000F | ||
| 60 | #define NAND_BBT_1BIT 0x00000001 | ||
| 61 | #define NAND_BBT_2BIT 0x00000002 | ||
| 62 | #define NAND_BBT_4BIT 0x00000004 | ||
| 63 | #define NAND_BBT_8BIT 0x00000008 | ||
| 64 | /* The bad block table is in the last good block of the device */ | ||
| 65 | #define NAND_BBT_LASTBLOCK 0x00000010 | ||
| 66 | /* The bbt is at the given page, else we must scan for the bbt */ | ||
| 67 | #define NAND_BBT_ABSPAGE 0x00000020 | ||
| 68 | /* The bbt is at the given page, else we must scan for the bbt */ | ||
| 69 | #define NAND_BBT_SEARCH 0x00000040 | ||
| 70 | /* bbt is stored per chip on multichip devices */ | ||
| 71 | #define NAND_BBT_PERCHIP 0x00000080 | ||
| 72 | /* bbt has a version counter at offset veroffs */ | ||
| 73 | #define NAND_BBT_VERSION 0x00000100 | ||
| 74 | /* Create a bbt if none axists */ | ||
| 75 | #define NAND_BBT_CREATE 0x00000200 | ||
| 76 | /* Search good / bad pattern through all pages of a block */ | ||
| 77 | #define NAND_BBT_SCANALLPAGES 0x00000400 | ||
| 78 | /* Scan block empty during good / bad block scan */ | ||
| 79 | #define NAND_BBT_SCANEMPTY 0x00000800 | ||
| 80 | /* Write bbt if neccecary */ | ||
| 81 | #define NAND_BBT_WRITE 0x00001000 | ||
| 82 | /* Read and write back block contents when writing bbt */ | ||
| 83 | #define NAND_BBT_SAVECONTENT 0x00002000 | ||
| 84 | /* Search good / bad pattern on the first and the second page */ | ||
| 85 | #define NAND_BBT_SCAN2NDPAGE 0x00004000 | ||
| 86 | |||
| 87 | /* The maximum number of blocks to scan for a bbt */ | ||
| 88 | #define NAND_BBT_SCAN_MAXBLOCKS 4 | ||
| 89 | |||
| 90 | /* | ||
| 91 | * Constants for oob configuration | ||
| 92 | */ | ||
| 93 | #define ONENAND_BADBLOCK_POS 0 | ||
| 94 | |||
| 95 | /** | ||
| 96 | * struct bbt_info - [GENERIC] Bad Block Table data structure | ||
| 97 | * @param bbt_erase_shift [INTERN] number of address bits in a bbt entry | ||
| 98 | * @param badblockpos [INTERN] position of the bad block marker in the oob area | ||
| 99 | * @param bbt [INTERN] bad block table pointer | ||
| 100 | * @param badblock_pattern [REPLACEABLE] bad block scan pattern used for initial bad block scan | ||
| 101 | * @param priv [OPTIONAL] pointer to private bbm date | ||
| 102 | */ | ||
| 103 | struct bbm_info { | ||
| 104 | int bbt_erase_shift; | ||
| 105 | int badblockpos; | ||
| 106 | int options; | ||
| 107 | |||
| 108 | uint8_t *bbt; | ||
| 109 | |||
| 110 | int (*isbad_bbt)(struct mtd_info *mtd, loff_t ofs, int allowbbt); | ||
| 111 | |||
| 112 | /* TODO Add more NAND specific fileds */ | ||
| 113 | struct nand_bbt_descr *badblock_pattern; | ||
| 114 | |||
| 115 | void *priv; | ||
| 116 | }; | ||
| 117 | |||
| 118 | /* OneNAND BBT interface */ | ||
| 119 | extern int onenand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd); | ||
| 120 | extern int onenand_default_bbt(struct mtd_info *mtd); | ||
| 121 | |||
| 122 | #endif /* __LINUX_MTD_BBM_H */ | ||
diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h index 4ebc2e5a16e2..f46afec6fbf8 100644 --- a/include/linux/mtd/blktrans.h +++ b/include/linux/mtd/blktrans.h | |||
| @@ -1,5 +1,5 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * $Id: blktrans.h,v 1.5 2003/06/23 12:00:08 dwmw2 Exp $ | 2 | * $Id: blktrans.h,v 1.6 2005/11/07 11:14:54 gleixner Exp $ |
| 3 | * | 3 | * |
| 4 | * (C) 2003 David Woodhouse <dwmw2@infradead.org> | 4 | * (C) 2003 David Woodhouse <dwmw2@infradead.org> |
| 5 | * | 5 | * |
| @@ -67,6 +67,6 @@ extern int register_mtd_blktrans(struct mtd_blktrans_ops *tr); | |||
| 67 | extern int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr); | 67 | extern int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr); |
| 68 | extern int add_mtd_blktrans_dev(struct mtd_blktrans_dev *dev); | 68 | extern int add_mtd_blktrans_dev(struct mtd_blktrans_dev *dev); |
| 69 | extern int del_mtd_blktrans_dev(struct mtd_blktrans_dev *dev); | 69 | extern int del_mtd_blktrans_dev(struct mtd_blktrans_dev *dev); |
| 70 | 70 | ||
| 71 | 71 | ||
| 72 | #endif /* __MTD_TRANS_H__ */ | 72 | #endif /* __MTD_TRANS_H__ */ |
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index e6b6a1c66bd5..3c9ea4b7adda 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h | |||
| @@ -1,14 +1,13 @@ | |||
| 1 | 1 | ||
| 2 | /* Common Flash Interface structures | 2 | /* Common Flash Interface structures |
| 3 | * See http://support.intel.com/design/flash/technote/index.htm | 3 | * See http://support.intel.com/design/flash/technote/index.htm |
| 4 | * $Id: cfi.h,v 1.54 2005/06/06 23:04:36 tpoynor Exp $ | 4 | * $Id: cfi.h,v 1.56 2005/11/07 11:14:54 gleixner Exp $ |
| 5 | */ | 5 | */ |
| 6 | 6 | ||
| 7 | #ifndef __MTD_CFI_H__ | 7 | #ifndef __MTD_CFI_H__ |
| 8 | #define __MTD_CFI_H__ | 8 | #define __MTD_CFI_H__ |
| 9 | 9 | ||
| 10 | #include <linux/config.h> | 10 | #include <linux/config.h> |
| 11 | #include <linux/version.h> | ||
| 12 | #include <linux/delay.h> | 11 | #include <linux/delay.h> |
| 13 | #include <linux/types.h> | 12 | #include <linux/types.h> |
| 14 | #include <linux/interrupt.h> | 13 | #include <linux/interrupt.h> |
| @@ -82,8 +81,8 @@ static inline int cfi_interleave_supported(int i) | |||
| 82 | } | 81 | } |
| 83 | 82 | ||
| 84 | 83 | ||
| 85 | /* NB: these values must represents the number of bytes needed to meet the | 84 | /* NB: these values must represents the number of bytes needed to meet the |
| 86 | * device type (x8, x16, x32). Eg. a 32 bit device is 4 x 8 bytes. | 85 | * device type (x8, x16, x32). Eg. a 32 bit device is 4 x 8 bytes. |
| 87 | * These numbers are used in calculations. | 86 | * These numbers are used in calculations. |
| 88 | */ | 87 | */ |
| 89 | #define CFI_DEVICETYPE_X8 (8 / 8) | 88 | #define CFI_DEVICETYPE_X8 (8 / 8) |
| @@ -173,6 +172,15 @@ struct cfi_intelext_regioninfo { | |||
| 173 | struct cfi_intelext_blockinfo BlockTypes[1]; | 172 | struct cfi_intelext_blockinfo BlockTypes[1]; |
| 174 | } __attribute__((packed)); | 173 | } __attribute__((packed)); |
| 175 | 174 | ||
| 175 | struct cfi_intelext_programming_regioninfo { | ||
| 176 | uint8_t ProgRegShift; | ||
| 177 | uint8_t Reserved1; | ||
| 178 | uint8_t ControlValid; | ||
| 179 | uint8_t Reserved2; | ||
| 180 | uint8_t ControlInvalid; | ||
| 181 | uint8_t Reserved3; | ||
| 182 | } __attribute__((packed)); | ||
| 183 | |||
| 176 | /* Vendor-Specific PRI for AMD/Fujitsu Extended Command Set (0x0002) */ | 184 | /* Vendor-Specific PRI for AMD/Fujitsu Extended Command Set (0x0002) */ |
| 177 | 185 | ||
| 178 | struct cfi_pri_amdstd { | 186 | struct cfi_pri_amdstd { |
| @@ -250,7 +258,7 @@ static inline uint32_t cfi_build_cmd_addr(uint32_t cmd_ofs, int interleave, int | |||
| 250 | /* | 258 | /* |
| 251 | * Transforms the CFI command for the given geometry (bus width & interleave). | 259 | * Transforms the CFI command for the given geometry (bus width & interleave). |
| 252 | * It looks too long to be inline, but in the common case it should almost all | 260 | * It looks too long to be inline, but in the common case it should almost all |
| 253 | * get optimised away. | 261 | * get optimised away. |
| 254 | */ | 262 | */ |
| 255 | static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cfi_private *cfi) | 263 | static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cfi_private *cfi) |
| 256 | { | 264 | { |
| @@ -259,7 +267,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf | |||
| 259 | unsigned long onecmd; | 267 | unsigned long onecmd; |
| 260 | int i; | 268 | int i; |
| 261 | 269 | ||
| 262 | /* We do it this way to give the compiler a fighting chance | 270 | /* We do it this way to give the compiler a fighting chance |
| 263 | of optimising away all the crap for 'bankwidth' larger than | 271 | of optimising away all the crap for 'bankwidth' larger than |
| 264 | an unsigned long, in the common case where that support is | 272 | an unsigned long, in the common case where that support is |
| 265 | disabled */ | 273 | disabled */ |
| @@ -270,7 +278,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf | |||
| 270 | wordwidth = map_bankwidth(map); | 278 | wordwidth = map_bankwidth(map); |
| 271 | words_per_bus = 1; | 279 | words_per_bus = 1; |
| 272 | } | 280 | } |
| 273 | 281 | ||
| 274 | chip_mode = map_bankwidth(map) / cfi_interleave(cfi); | 282 | chip_mode = map_bankwidth(map) / cfi_interleave(cfi); |
| 275 | chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map); | 283 | chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map); |
| 276 | 284 | ||
| @@ -289,7 +297,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf | |||
| 289 | break; | 297 | break; |
| 290 | } | 298 | } |
| 291 | 299 | ||
| 292 | /* Now replicate it across the size of an unsigned long, or | 300 | /* Now replicate it across the size of an unsigned long, or |
| 293 | just to the bus width as appropriate */ | 301 | just to the bus width as appropriate */ |
| 294 | switch (chips_per_word) { | 302 | switch (chips_per_word) { |
| 295 | default: BUG(); | 303 | default: BUG(); |
| @@ -305,7 +313,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf | |||
| 305 | ; | 313 | ; |
| 306 | } | 314 | } |
| 307 | 315 | ||
| 308 | /* And finally, for the multi-word case, replicate it | 316 | /* And finally, for the multi-word case, replicate it |
| 309 | in all words in the structure */ | 317 | in all words in the structure */ |
| 310 | for (i=0; i < words_per_bus; i++) { | 318 | for (i=0; i < words_per_bus; i++) { |
| 311 | val.x[i] = onecmd; | 319 | val.x[i] = onecmd; |
| @@ -316,14 +324,14 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf | |||
| 316 | #define CMD(x) cfi_build_cmd((x), map, cfi) | 324 | #define CMD(x) cfi_build_cmd((x), map, cfi) |
| 317 | 325 | ||
| 318 | 326 | ||
| 319 | static inline unsigned char cfi_merge_status(map_word val, struct map_info *map, | 327 | static inline unsigned long cfi_merge_status(map_word val, struct map_info *map, |
| 320 | struct cfi_private *cfi) | 328 | struct cfi_private *cfi) |
| 321 | { | 329 | { |
| 322 | int wordwidth, words_per_bus, chip_mode, chips_per_word; | 330 | int wordwidth, words_per_bus, chip_mode, chips_per_word; |
| 323 | unsigned long onestat, res = 0; | 331 | unsigned long onestat, res = 0; |
| 324 | int i; | 332 | int i; |
| 325 | 333 | ||
| 326 | /* We do it this way to give the compiler a fighting chance | 334 | /* We do it this way to give the compiler a fighting chance |
| 327 | of optimising away all the crap for 'bankwidth' larger than | 335 | of optimising away all the crap for 'bankwidth' larger than |
| 328 | an unsigned long, in the common case where that support is | 336 | an unsigned long, in the common case where that support is |
| 329 | disabled */ | 337 | disabled */ |
| @@ -334,7 +342,7 @@ static inline unsigned char cfi_merge_status(map_word val, struct map_info *map, | |||
| 334 | wordwidth = map_bankwidth(map); | 342 | wordwidth = map_bankwidth(map); |
| 335 | words_per_bus = 1; | 343 | words_per_bus = 1; |
| 336 | } | 344 | } |
| 337 | 345 | ||
| 338 | chip_mode = map_bankwidth(map) / cfi_interleave(cfi); | 346 | chip_mode = map_bankwidth(map) / cfi_interleave(cfi); |
| 339 | chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map); | 347 | chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map); |
| 340 | 348 | ||
diff --git a/include/linux/mtd/doc2000.h b/include/linux/mtd/doc2000.h index 953e64fb8ac5..386a52cf8b1b 100644 --- a/include/linux/mtd/doc2000.h +++ b/include/linux/mtd/doc2000.h | |||
| @@ -1,12 +1,12 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * Linux driver for Disk-On-Chip devices | 2 | * Linux driver for Disk-On-Chip devices |
| 3 | * | 3 | * |
| 4 | * Copyright (C) 1999 Machine Vision Holdings, Inc. | 4 | * Copyright (C) 1999 Machine Vision Holdings, Inc. |
| 5 | * Copyright (C) 2001-2003 David Woodhouse <dwmw2@infradead.org> | 5 | * Copyright (C) 2001-2003 David Woodhouse <dwmw2@infradead.org> |
| 6 | * Copyright (C) 2002-2003 Greg Ungerer <gerg@snapgear.com> | 6 | * Copyright (C) 2002-2003 Greg Ungerer <gerg@snapgear.com> |
| 7 | * Copyright (C) 2002-2003 SnapGear Inc | 7 | * Copyright (C) 2002-2003 SnapGear Inc |
| 8 | * | 8 | * |
| 9 | * $Id: doc2000.h,v 1.24 2005/01/05 12:40:38 dwmw2 Exp $ | 9 | * $Id: doc2000.h,v 1.25 2005/11/07 11:14:54 gleixner Exp $ |
| 10 | * | 10 | * |
| 11 | * Released under GPL | 11 | * Released under GPL |
| 12 | */ | 12 | */ |
| @@ -75,10 +75,10 @@ | |||
| 75 | #define DoC_Mplus_CtrlConfirm 0x1076 | 75 | #define DoC_Mplus_CtrlConfirm 0x1076 |
| 76 | #define DoC_Mplus_Power 0x1fff | 76 | #define DoC_Mplus_Power 0x1fff |
| 77 | 77 | ||
| 78 | /* How to access the device? | 78 | /* How to access the device? |
| 79 | * On ARM, it'll be mmap'd directly with 32-bit wide accesses. | 79 | * On ARM, it'll be mmap'd directly with 32-bit wide accesses. |
| 80 | * On PPC, it's mmap'd and 16-bit wide. | 80 | * On PPC, it's mmap'd and 16-bit wide. |
| 81 | * Others use readb/writeb | 81 | * Others use readb/writeb |
| 82 | */ | 82 | */ |
| 83 | #if defined(__arm__) | 83 | #if defined(__arm__) |
| 84 | #define ReadDOC_(adr, reg) ((unsigned char)(*(volatile __u32 *)(((unsigned long)adr)+((reg)<<2)))) | 84 | #define ReadDOC_(adr, reg) ((unsigned char)(*(volatile __u32 *)(((unsigned long)adr)+((reg)<<2)))) |
| @@ -172,7 +172,7 @@ struct DiskOnChip { | |||
| 172 | unsigned long totlen; | 172 | unsigned long totlen; |
| 173 | unsigned char ChipID; /* Type of DiskOnChip */ | 173 | unsigned char ChipID; /* Type of DiskOnChip */ |
| 174 | int ioreg; | 174 | int ioreg; |
| 175 | 175 | ||
| 176 | unsigned long mfr; /* Flash IDs - only one type of flash per device */ | 176 | unsigned long mfr; /* Flash IDs - only one type of flash per device */ |
| 177 | unsigned long id; | 177 | unsigned long id; |
| 178 | int chipshift; | 178 | int chipshift; |
| @@ -180,10 +180,10 @@ struct DiskOnChip { | |||
| 180 | char pageadrlen; | 180 | char pageadrlen; |
| 181 | char interleave; /* Internal interleaving - Millennium Plus style */ | 181 | char interleave; /* Internal interleaving - Millennium Plus style */ |
| 182 | unsigned long erasesize; | 182 | unsigned long erasesize; |
| 183 | 183 | ||
| 184 | int curfloor; | 184 | int curfloor; |
| 185 | int curchip; | 185 | int curchip; |
| 186 | 186 | ||
| 187 | int numchips; | 187 | int numchips; |
| 188 | struct Nand *chips; | 188 | struct Nand *chips; |
| 189 | struct mtd_info *nextdoc; | 189 | struct mtd_info *nextdoc; |
diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h index 675776fa3e27..a293a3b78e05 100644 --- a/include/linux/mtd/flashchip.h +++ b/include/linux/mtd/flashchip.h | |||
| @@ -1,12 +1,12 @@ | |||
| 1 | 1 | ||
| 2 | /* | 2 | /* |
| 3 | * struct flchip definition | 3 | * struct flchip definition |
| 4 | * | 4 | * |
| 5 | * Contains information about the location and state of a given flash device | 5 | * Contains information about the location and state of a given flash device |
| 6 | * | 6 | * |
| 7 | * (C) 2000 Red Hat. GPLd. | 7 | * (C) 2000 Red Hat. GPLd. |
| 8 | * | 8 | * |
| 9 | * $Id: flashchip.h,v 1.17 2005/03/14 18:27:15 bjd Exp $ | 9 | * $Id: flashchip.h,v 1.18 2005/11/07 11:14:54 gleixner Exp $ |
| 10 | * | 10 | * |
| 11 | */ | 11 | */ |
| 12 | 12 | ||
| @@ -15,11 +15,11 @@ | |||
| 15 | 15 | ||
| 16 | /* For spinlocks. sched.h includes spinlock.h from whichever directory it | 16 | /* For spinlocks. sched.h includes spinlock.h from whichever directory it |
| 17 | * happens to be in - so we don't have to care whether we're on 2.2, which | 17 | * happens to be in - so we don't have to care whether we're on 2.2, which |
| 18 | * has asm/spinlock.h, or 2.4, which has linux/spinlock.h | 18 | * has asm/spinlock.h, or 2.4, which has linux/spinlock.h |
| 19 | */ | 19 | */ |
| 20 | #include <linux/sched.h> | 20 | #include <linux/sched.h> |
| 21 | 21 | ||
| 22 | typedef enum { | 22 | typedef enum { |
| 23 | FL_READY, | 23 | FL_READY, |
| 24 | FL_STATUS, | 24 | FL_STATUS, |
| 25 | FL_CFI_QUERY, | 25 | FL_CFI_QUERY, |
| @@ -45,7 +45,7 @@ typedef enum { | |||
| 45 | 45 | ||
| 46 | 46 | ||
| 47 | 47 | ||
| 48 | /* NOTE: confusingly, this can be used to refer to more than one chip at a time, | 48 | /* NOTE: confusingly, this can be used to refer to more than one chip at a time, |
| 49 | if they're interleaved. This can even refer to individual partitions on | 49 | if they're interleaved. This can even refer to individual partitions on |
| 50 | the same physical chip when present. */ | 50 | the same physical chip when present. */ |
| 51 | 51 | ||
diff --git a/include/linux/mtd/ftl.h b/include/linux/mtd/ftl.h index 3678459b4535..d99609113307 100644 --- a/include/linux/mtd/ftl.h +++ b/include/linux/mtd/ftl.h | |||
| @@ -1,6 +1,6 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * $Id: ftl.h,v 1.6 2003/01/24 13:20:04 dwmw2 Exp $ | 2 | * $Id: ftl.h,v 1.7 2005/11/07 11:14:54 gleixner Exp $ |
| 3 | * | 3 | * |
| 4 | * Derived from (and probably identical to): | 4 | * Derived from (and probably identical to): |
| 5 | * ftl.h 1.7 1999/10/25 20:23:17 | 5 | * ftl.h 1.7 1999/10/25 20:23:17 |
| 6 | * | 6 | * |
| @@ -12,7 +12,7 @@ | |||
| 12 | * Software distributed under the License is distributed on an "AS IS" | 12 | * Software distributed under the License is distributed on an "AS IS" |
| 13 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See | 13 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See |
| 14 | * the License for the specific language governing rights and | 14 | * the License for the specific language governing rights and |
| 15 | * limitations under the License. | 15 | * limitations under the License. |
| 16 | * | 16 | * |
| 17 | * The initial developer of the original code is David A. Hinds | 17 | * The initial developer of the original code is David A. Hinds |
| 18 | * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds | 18 | * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
diff --git a/include/linux/mtd/gen_probe.h b/include/linux/mtd/gen_probe.h index 3d7bdec14f97..256e7342ed1e 100644 --- a/include/linux/mtd/gen_probe.h +++ b/include/linux/mtd/gen_probe.h | |||
| @@ -1,14 +1,14 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * (C) 2001, 2001 Red Hat, Inc. | 2 | * (C) 2001, 2001 Red Hat, Inc. |
| 3 | * GPL'd | 3 | * GPL'd |
| 4 | * $Id: gen_probe.h,v 1.3 2004/10/20 22:10:33 dwmw2 Exp $ | 4 | * $Id: gen_probe.h,v 1.4 2005/11/07 11:14:54 gleixner Exp $ |
| 5 | */ | 5 | */ |
| 6 | 6 | ||
| 7 | #ifndef __LINUX_MTD_GEN_PROBE_H__ | 7 | #ifndef __LINUX_MTD_GEN_PROBE_H__ |
| 8 | #define __LINUX_MTD_GEN_PROBE_H__ | 8 | #define __LINUX_MTD_GEN_PROBE_H__ |
| 9 | 9 | ||
| 10 | #include <linux/mtd/flashchip.h> | 10 | #include <linux/mtd/flashchip.h> |
| 11 | #include <linux/mtd/map.h> | 11 | #include <linux/mtd/map.h> |
| 12 | #include <linux/mtd/cfi.h> | 12 | #include <linux/mtd/cfi.h> |
| 13 | #include <linux/bitops.h> | 13 | #include <linux/bitops.h> |
| 14 | 14 | ||
diff --git a/include/linux/mtd/jedec.h b/include/linux/mtd/jedec.h index 2ba0f700ddbc..9006feb218b9 100644 --- a/include/linux/mtd/jedec.h +++ b/include/linux/mtd/jedec.h | |||
| @@ -1,13 +1,13 @@ | |||
| 1 | 1 | ||
| 2 | /* JEDEC Flash Interface. | 2 | /* JEDEC Flash Interface. |
| 3 | * This is an older type of interface for self programming flash. It is | 3 | * This is an older type of interface for self programming flash. It is |
| 4 | * commonly use in older AMD chips and is obsolete compared with CFI. | 4 | * commonly use in older AMD chips and is obsolete compared with CFI. |
| 5 | * It is called JEDEC because the JEDEC association distributes the ID codes | 5 | * It is called JEDEC because the JEDEC association distributes the ID codes |
| 6 | * for the chips. | 6 | * for the chips. |
| 7 | * | 7 | * |
| 8 | * See the AMD flash databook for information on how to operate the interface. | 8 | * See the AMD flash databook for information on how to operate the interface. |
| 9 | * | 9 | * |
| 10 | * $Id: jedec.h,v 1.3 2003/05/21 11:51:01 dwmw2 Exp $ | 10 | * $Id: jedec.h,v 1.4 2005/11/07 11:14:54 gleixner Exp $ |
| 11 | */ | 11 | */ |
| 12 | 12 | ||
| 13 | #ifndef __LINUX_MTD_JEDEC_H__ | 13 | #ifndef __LINUX_MTD_JEDEC_H__ |
| @@ -33,16 +33,16 @@ struct jedec_flash_chip | |||
| 33 | __u16 jedec; | 33 | __u16 jedec; |
| 34 | unsigned long size; | 34 | unsigned long size; |
| 35 | unsigned long sectorsize; | 35 | unsigned long sectorsize; |
| 36 | 36 | ||
| 37 | // *(__u8*)(base + (adder << addrshift)) = data << datashift | 37 | // *(__u8*)(base + (adder << addrshift)) = data << datashift |
| 38 | // Address size = size << addrshift | 38 | // Address size = size << addrshift |
| 39 | unsigned long base; // Byte 0 of the flash, will be unaligned | 39 | unsigned long base; // Byte 0 of the flash, will be unaligned |
| 40 | unsigned int datashift; // Useful for 32bit/16bit accesses | 40 | unsigned int datashift; // Useful for 32bit/16bit accesses |
| 41 | unsigned int addrshift; | 41 | unsigned int addrshift; |
| 42 | unsigned long offset; // linerized start. base==offset for unbanked, uninterleaved flash | 42 | unsigned long offset; // linerized start. base==offset for unbanked, uninterleaved flash |
| 43 | 43 | ||
| 44 | __u32 capabilities; | 44 | __u32 capabilities; |
| 45 | 45 | ||
| 46 | // These markers are filled in by the flash_chip_scan function | 46 | // These markers are filled in by the flash_chip_scan function |
| 47 | unsigned long start; | 47 | unsigned long start; |
| 48 | unsigned long length; | 48 | unsigned long length; |
| @@ -51,16 +51,16 @@ struct jedec_flash_chip | |||
| 51 | struct jedec_private | 51 | struct jedec_private |
| 52 | { | 52 | { |
| 53 | unsigned long size; // Total size of all the devices | 53 | unsigned long size; // Total size of all the devices |
| 54 | 54 | ||
| 55 | /* Bank handling. If sum(bank_fill) == size then this is linear flash. | 55 | /* Bank handling. If sum(bank_fill) == size then this is linear flash. |
| 56 | Otherwise the mapping has holes in it. bank_fill may be used to | 56 | Otherwise the mapping has holes in it. bank_fill may be used to |
| 57 | find the holes, but in the common symetric case | 57 | find the holes, but in the common symetric case |
| 58 | bank_fill[0] == bank_fill[*], thus addresses may be computed | 58 | bank_fill[0] == bank_fill[*], thus addresses may be computed |
| 59 | mathmatically. bank_fill must be powers of two */ | 59 | mathmatically. bank_fill must be powers of two */ |
| 60 | unsigned is_banked; | 60 | unsigned is_banked; |
| 61 | unsigned long bank_fill[MAX_JEDEC_CHIPS]; | 61 | unsigned long bank_fill[MAX_JEDEC_CHIPS]; |
| 62 | 62 | ||
| 63 | struct jedec_flash_chip chips[MAX_JEDEC_CHIPS]; | 63 | struct jedec_flash_chip chips[MAX_JEDEC_CHIPS]; |
| 64 | }; | 64 | }; |
| 65 | 65 | ||
| 66 | #endif | 66 | #endif |
diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index fc28841f3409..fedfbc8a287f 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h | |||
| @@ -1,6 +1,6 @@ | |||
| 1 | 1 | ||
| 2 | /* Overhauled routines for dealing with different mmap regions of flash */ | 2 | /* Overhauled routines for dealing with different mmap regions of flash */ |
| 3 | /* $Id: map.h,v 1.52 2005/05/25 10:29:41 gleixner Exp $ */ | 3 | /* $Id: map.h,v 1.54 2005/11/07 11:14:54 gleixner Exp $ */ |
| 4 | 4 | ||
| 5 | #ifndef __LINUX_MTD_MAP_H__ | 5 | #ifndef __LINUX_MTD_MAP_H__ |
| 6 | #define __LINUX_MTD_MAP_H__ | 6 | #define __LINUX_MTD_MAP_H__ |
| @@ -170,14 +170,14 @@ typedef union { | |||
| 170 | to a chip probe routine -- either JEDEC or CFI probe or both -- via | 170 | to a chip probe routine -- either JEDEC or CFI probe or both -- via |
| 171 | do_map_probe(). If a chip is recognised, the probe code will invoke the | 171 | do_map_probe(). If a chip is recognised, the probe code will invoke the |
| 172 | appropriate chip driver (if present) and return a struct mtd_info. | 172 | appropriate chip driver (if present) and return a struct mtd_info. |
| 173 | At which point, you fill in the mtd->module with your own module | 173 | At which point, you fill in the mtd->module with your own module |
| 174 | address, and register it with the MTD core code. Or you could partition | 174 | address, and register it with the MTD core code. Or you could partition |
| 175 | it and register the partitions instead, or keep it for your own private | 175 | it and register the partitions instead, or keep it for your own private |
| 176 | use; whatever. | 176 | use; whatever. |
| 177 | 177 | ||
| 178 | The mtd->priv field will point to the struct map_info, and any further | 178 | The mtd->priv field will point to the struct map_info, and any further |
| 179 | private data required by the chip driver is linked from the | 179 | private data required by the chip driver is linked from the |
| 180 | mtd->priv->fldrv_priv field. This allows the map driver to get at | 180 | mtd->priv->fldrv_priv field. This allows the map driver to get at |
| 181 | the destructor function map->fldrv_destroy() when it's tired | 181 | the destructor function map->fldrv_destroy() when it's tired |
| 182 | of living. | 182 | of living. |
| 183 | */ | 183 | */ |
| @@ -214,7 +214,7 @@ struct map_info { | |||
| 214 | If there is no cache to care about this can be set to NULL. */ | 214 | If there is no cache to care about this can be set to NULL. */ |
| 215 | void (*inval_cache)(struct map_info *, unsigned long, ssize_t); | 215 | void (*inval_cache)(struct map_info *, unsigned long, ssize_t); |
| 216 | 216 | ||
| 217 | /* set_vpp() must handle being reentered -- enable, enable, disable | 217 | /* set_vpp() must handle being reentered -- enable, enable, disable |
| 218 | must leave it enabled. */ | 218 | must leave it enabled. */ |
| 219 | void (*set_vpp)(struct map_info *, int); | 219 | void (*set_vpp)(struct map_info *, int); |
| 220 | 220 | ||
| @@ -353,7 +353,7 @@ static inline map_word map_word_ff(struct map_info *map) | |||
| 353 | { | 353 | { |
| 354 | map_word r; | 354 | map_word r; |
| 355 | int i; | 355 | int i; |
| 356 | 356 | ||
| 357 | if (map_bankwidth(map) < MAP_FF_LIMIT) { | 357 | if (map_bankwidth(map) < MAP_FF_LIMIT) { |
| 358 | int bw = 8 * map_bankwidth(map); | 358 | int bw = 8 * map_bankwidth(map); |
| 359 | r.x[0] = (1 << bw) - 1; | 359 | r.x[0] = (1 << bw) - 1; |
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index c50c3f3927d9..b6f2fdae65c6 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h | |||
| @@ -1,5 +1,5 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * $Id: mtd.h,v 1.59 2005/04/11 10:19:02 gleixner Exp $ | 2 | * $Id: mtd.h,v 1.61 2005/11/07 11:14:54 gleixner Exp $ |
| 3 | * | 3 | * |
| 4 | * Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al. | 4 | * Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al. |
| 5 | * | 5 | * |
| @@ -14,7 +14,6 @@ | |||
| 14 | #endif | 14 | #endif |
| 15 | 15 | ||
| 16 | #include <linux/config.h> | 16 | #include <linux/config.h> |
| 17 | #include <linux/version.h> | ||
| 18 | #include <linux/types.h> | 17 | #include <linux/types.h> |
| 19 | #include <linux/module.h> | 18 | #include <linux/module.h> |
| 20 | #include <linux/uio.h> | 19 | #include <linux/uio.h> |
| @@ -72,7 +71,17 @@ struct mtd_info { | |||
| 72 | u_int32_t oobsize; // Amount of OOB data per block (e.g. 16) | 71 | u_int32_t oobsize; // Amount of OOB data per block (e.g. 16) |
| 73 | u_int32_t ecctype; | 72 | u_int32_t ecctype; |
| 74 | u_int32_t eccsize; | 73 | u_int32_t eccsize; |
| 75 | 74 | ||
| 75 | /* | ||
| 76 | * Reuse some of the above unused fields in the case of NOR flash | ||
| 77 | * with configurable programming regions to avoid modifying the | ||
| 78 | * user visible structure layout/size. Only valid when the | ||
| 79 | * MTD_PROGRAM_REGIONS flag is set. | ||
| 80 | * (Maybe we should have an union for those?) | ||
| 81 | */ | ||
| 82 | #define MTD_PROGREGION_SIZE(mtd) (mtd)->oobblock | ||
| 83 | #define MTD_PROGREGION_CTRLMODE_VALID(mtd) (mtd)->oobsize | ||
| 84 | #define MTD_PROGREGION_CTRLMODE_INVALID(mtd) (mtd)->ecctype | ||
| 76 | 85 | ||
| 77 | // Kernel-only stuff starts here. | 86 | // Kernel-only stuff starts here. |
| 78 | char *name; | 87 | char *name; |
| @@ -80,13 +89,13 @@ struct mtd_info { | |||
| 80 | 89 | ||
| 81 | // oobinfo is a nand_oobinfo structure, which can be set by iotcl (MEMSETOOBINFO) | 90 | // oobinfo is a nand_oobinfo structure, which can be set by iotcl (MEMSETOOBINFO) |
| 82 | struct nand_oobinfo oobinfo; | 91 | struct nand_oobinfo oobinfo; |
| 83 | u_int32_t oobavail; // Number of bytes in OOB area available for fs | 92 | u_int32_t oobavail; // Number of bytes in OOB area available for fs |
| 84 | 93 | ||
| 85 | /* Data for variable erase regions. If numeraseregions is zero, | 94 | /* Data for variable erase regions. If numeraseregions is zero, |
| 86 | * it means that the whole device has erasesize as given above. | 95 | * it means that the whole device has erasesize as given above. |
| 87 | */ | 96 | */ |
| 88 | int numeraseregions; | 97 | int numeraseregions; |
| 89 | struct mtd_erase_region_info *eraseregions; | 98 | struct mtd_erase_region_info *eraseregions; |
| 90 | 99 | ||
| 91 | /* This really shouldn't be here. It can go away in 2.5 */ | 100 | /* This really shouldn't be here. It can go away in 2.5 */ |
| 92 | u_int32_t bank_size; | 101 | u_int32_t bank_size; |
| @@ -109,10 +118,10 @@ struct mtd_info { | |||
| 109 | int (*read_oob) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); | 118 | int (*read_oob) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); |
| 110 | int (*write_oob) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf); | 119 | int (*write_oob) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf); |
| 111 | 120 | ||
| 112 | /* | 121 | /* |
| 113 | * Methods to access the protection register area, present in some | 122 | * Methods to access the protection register area, present in some |
| 114 | * flash devices. The user data is one time programmable but the | 123 | * flash devices. The user data is one time programmable but the |
| 115 | * factory data is read only. | 124 | * factory data is read only. |
| 116 | */ | 125 | */ |
| 117 | int (*get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len); | 126 | int (*get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len); |
| 118 | int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); | 127 | int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); |
| @@ -123,14 +132,14 @@ struct mtd_info { | |||
| 123 | 132 | ||
| 124 | /* kvec-based read/write methods. We need these especially for NAND flash, | 133 | /* kvec-based read/write methods. We need these especially for NAND flash, |
| 125 | with its limited number of write cycles per erase. | 134 | with its limited number of write cycles per erase. |
| 126 | NB: The 'count' parameter is the number of _vectors_, each of | 135 | NB: The 'count' parameter is the number of _vectors_, each of |
| 127 | which contains an (ofs, len) tuple. | 136 | which contains an (ofs, len) tuple. |
| 128 | */ | 137 | */ |
| 129 | int (*readv) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from, size_t *retlen); | 138 | int (*readv) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from, size_t *retlen); |
| 130 | int (*readv_ecc) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from, | 139 | int (*readv_ecc) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from, |
| 131 | size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel); | 140 | size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel); |
| 132 | int (*writev) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen); | 141 | int (*writev) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen); |
| 133 | int (*writev_ecc) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, | 142 | int (*writev_ecc) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, |
| 134 | size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel); | 143 | size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel); |
| 135 | 144 | ||
| 136 | /* Sync */ | 145 | /* Sync */ |
| @@ -194,7 +203,7 @@ int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs, | |||
| 194 | #define MTD_WRITEECC(mtd, args...) (*(mtd->write_ecc))(mtd, args) | 203 | #define MTD_WRITEECC(mtd, args...) (*(mtd->write_ecc))(mtd, args) |
| 195 | #define MTD_READOOB(mtd, args...) (*(mtd->read_oob))(mtd, args) | 204 | #define MTD_READOOB(mtd, args...) (*(mtd->read_oob))(mtd, args) |
| 196 | #define MTD_WRITEOOB(mtd, args...) (*(mtd->write_oob))(mtd, args) | 205 | #define MTD_WRITEOOB(mtd, args...) (*(mtd->write_oob))(mtd, args) |
| 197 | #define MTD_SYNC(mtd) do { if (mtd->sync) (*(mtd->sync))(mtd); } while (0) | 206 | #define MTD_SYNC(mtd) do { if (mtd->sync) (*(mtd->sync))(mtd); } while (0) |
| 198 | 207 | ||
| 199 | 208 | ||
| 200 | #ifdef CONFIG_MTD_PARTITIONS | 209 | #ifdef CONFIG_MTD_PARTITIONS |
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 9b5b76217584..da5e67b3fc70 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h | |||
| @@ -5,7 +5,7 @@ | |||
| 5 | * Steven J. Hill <sjhill@realitydiluted.com> | 5 | * Steven J. Hill <sjhill@realitydiluted.com> |
| 6 | * Thomas Gleixner <tglx@linutronix.de> | 6 | * Thomas Gleixner <tglx@linutronix.de> |
| 7 | * | 7 | * |
| 8 | * $Id: nand.h,v 1.73 2005/05/31 19:39:17 gleixner Exp $ | 8 | * $Id: nand.h,v 1.74 2005/09/15 13:58:50 vwool Exp $ |
| 9 | * | 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify | 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as | 11 | * it under the terms of the GNU General Public License version 2 as |
| @@ -24,7 +24,7 @@ | |||
| 24 | * bat later if I did something naughty. | 24 | * bat later if I did something naughty. |
| 25 | * 10-11-2000 SJH Added private NAND flash structure for driver | 25 | * 10-11-2000 SJH Added private NAND flash structure for driver |
| 26 | * 10-24-2000 SJH Added prototype for 'nand_scan' function | 26 | * 10-24-2000 SJH Added prototype for 'nand_scan' function |
| 27 | * 10-29-2001 TG changed nand_chip structure to support | 27 | * 10-29-2001 TG changed nand_chip structure to support |
| 28 | * hardwarespecific function for accessing control lines | 28 | * hardwarespecific function for accessing control lines |
| 29 | * 02-21-2002 TG added support for different read/write adress and | 29 | * 02-21-2002 TG added support for different read/write adress and |
| 30 | * ready/busy line access function | 30 | * ready/busy line access function |
| @@ -36,21 +36,21 @@ | |||
| 36 | * CONFIG_MTD_NAND_ECC_JFFS2 is not set | 36 | * CONFIG_MTD_NAND_ECC_JFFS2 is not set |
| 37 | * 08-10-2002 TG extensions to nand_chip structure to support HW-ECC | 37 | * 08-10-2002 TG extensions to nand_chip structure to support HW-ECC |
| 38 | * | 38 | * |
| 39 | * 08-29-2002 tglx nand_chip structure: data_poi for selecting | 39 | * 08-29-2002 tglx nand_chip structure: data_poi for selecting |
| 40 | * internal / fs-driver buffer | 40 | * internal / fs-driver buffer |
| 41 | * support for 6byte/512byte hardware ECC | 41 | * support for 6byte/512byte hardware ECC |
| 42 | * read_ecc, write_ecc extended for different oob-layout | 42 | * read_ecc, write_ecc extended for different oob-layout |
| 43 | * oob layout selections: NAND_NONE_OOB, NAND_JFFS2_OOB, | 43 | * oob layout selections: NAND_NONE_OOB, NAND_JFFS2_OOB, |
| 44 | * NAND_YAFFS_OOB | 44 | * NAND_YAFFS_OOB |
| 45 | * 11-25-2002 tglx Added Manufacturer code FUJITSU, NATIONAL | 45 | * 11-25-2002 tglx Added Manufacturer code FUJITSU, NATIONAL |
| 46 | * Split manufacturer and device ID structures | 46 | * Split manufacturer and device ID structures |
| 47 | * | 47 | * |
| 48 | * 02-08-2004 tglx added option field to nand structure for chip anomalities | 48 | * 02-08-2004 tglx added option field to nand structure for chip anomalities |
| 49 | * 05-25-2004 tglx added bad block table support, ST-MICRO manufacturer id | 49 | * 05-25-2004 tglx added bad block table support, ST-MICRO manufacturer id |
| 50 | * update of nand_chip structure description | 50 | * update of nand_chip structure description |
| 51 | * 01-17-2005 dmarlin added extended commands for AG-AND device and added option | 51 | * 01-17-2005 dmarlin added extended commands for AG-AND device and added option |
| 52 | * for BBT_AUTO_REFRESH. | 52 | * for BBT_AUTO_REFRESH. |
| 53 | * 01-20-2005 dmarlin added optional pointer to hardware specific callback for | 53 | * 01-20-2005 dmarlin added optional pointer to hardware specific callback for |
| 54 | * extra error status checks. | 54 | * extra error status checks. |
| 55 | */ | 55 | */ |
| 56 | #ifndef __LINUX_MTD_NAND_H | 56 | #ifndef __LINUX_MTD_NAND_H |
| @@ -120,8 +120,8 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ | |||
| 120 | #define NAND_CMD_CACHEDPROG 0x15 | 120 | #define NAND_CMD_CACHEDPROG 0x15 |
| 121 | 121 | ||
| 122 | /* Extended commands for AG-AND device */ | 122 | /* Extended commands for AG-AND device */ |
| 123 | /* | 123 | /* |
| 124 | * Note: the command for NAND_CMD_DEPLETE1 is really 0x00 but | 124 | * Note: the command for NAND_CMD_DEPLETE1 is really 0x00 but |
| 125 | * there is no way to distinguish that from NAND_CMD_READ0 | 125 | * there is no way to distinguish that from NAND_CMD_READ0 |
| 126 | * until the remaining sequence of commands has been completed | 126 | * until the remaining sequence of commands has been completed |
| 127 | * so add a high order bit and mask it off in the command. | 127 | * so add a high order bit and mask it off in the command. |
| @@ -145,7 +145,7 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ | |||
| 145 | #define NAND_STATUS_READY 0x40 | 145 | #define NAND_STATUS_READY 0x40 |
| 146 | #define NAND_STATUS_WP 0x80 | 146 | #define NAND_STATUS_WP 0x80 |
| 147 | 147 | ||
| 148 | /* | 148 | /* |
| 149 | * Constants for ECC_MODES | 149 | * Constants for ECC_MODES |
| 150 | */ | 150 | */ |
| 151 | 151 | ||
| @@ -191,12 +191,12 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ | |||
| 191 | #define NAND_CACHEPRG 0x00000008 | 191 | #define NAND_CACHEPRG 0x00000008 |
| 192 | /* Chip has copy back function */ | 192 | /* Chip has copy back function */ |
| 193 | #define NAND_COPYBACK 0x00000010 | 193 | #define NAND_COPYBACK 0x00000010 |
| 194 | /* AND Chip which has 4 banks and a confusing page / block | 194 | /* AND Chip which has 4 banks and a confusing page / block |
| 195 | * assignment. See Renesas datasheet for further information */ | 195 | * assignment. See Renesas datasheet for further information */ |
| 196 | #define NAND_IS_AND 0x00000020 | 196 | #define NAND_IS_AND 0x00000020 |
| 197 | /* Chip has a array of 4 pages which can be read without | 197 | /* Chip has a array of 4 pages which can be read without |
| 198 | * additional ready /busy waits */ | 198 | * additional ready /busy waits */ |
| 199 | #define NAND_4PAGE_ARRAY 0x00000040 | 199 | #define NAND_4PAGE_ARRAY 0x00000040 |
| 200 | /* Chip requires that BBT is periodically rewritten to prevent | 200 | /* Chip requires that BBT is periodically rewritten to prevent |
| 201 | * bits from adjacent blocks from 'leaking' in altering data. | 201 | * bits from adjacent blocks from 'leaking' in altering data. |
| 202 | * This happens with the Renesas AG-AND chips, possibly others. */ | 202 | * This happens with the Renesas AG-AND chips, possibly others. */ |
| @@ -219,8 +219,8 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_ | |||
| 219 | /* Use a flash based bad block table. This option is passed to the | 219 | /* Use a flash based bad block table. This option is passed to the |
| 220 | * default bad block table function. */ | 220 | * default bad block table function. */ |
| 221 | #define NAND_USE_FLASH_BBT 0x00010000 | 221 | #define NAND_USE_FLASH_BBT 0x00010000 |
| 222 | /* The hw ecc generator provides a syndrome instead a ecc value on read | 222 | /* The hw ecc generator provides a syndrome instead a ecc value on read |
| 223 | * This can only work if we have the ecc bytes directly behind the | 223 | * This can only work if we have the ecc bytes directly behind the |
| 224 | * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */ | 224 | * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */ |
| 225 | #define NAND_HWECC_SYNDROME 0x00020000 | 225 | #define NAND_HWECC_SYNDROME 0x00020000 |
| 226 | /* This option skips the bbt scan during initialization. */ | 226 | /* This option skips the bbt scan during initialization. */ |
| @@ -244,6 +244,7 @@ typedef enum { | |||
| 244 | FL_ERASING, | 244 | FL_ERASING, |
| 245 | FL_SYNCING, | 245 | FL_SYNCING, |
| 246 | FL_CACHEDPRG, | 246 | FL_CACHEDPRG, |
| 247 | FL_PM_SUSPENDED, | ||
| 247 | } nand_state_t; | 248 | } nand_state_t; |
| 248 | 249 | ||
| 249 | /* Keep gcc happy */ | 250 | /* Keep gcc happy */ |
| @@ -251,7 +252,7 @@ struct nand_chip; | |||
| 251 | 252 | ||
| 252 | /** | 253 | /** |
| 253 | * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices | 254 | * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices |
| 254 | * @lock: protection lock | 255 | * @lock: protection lock |
| 255 | * @active: the mtd device which holds the controller currently | 256 | * @active: the mtd device which holds the controller currently |
| 256 | * @wq: wait queue to sleep on if a NAND operation is in progress | 257 | * @wq: wait queue to sleep on if a NAND operation is in progress |
| 257 | * used instead of the per chip wait queue when a hw controller is available | 258 | * used instead of the per chip wait queue when a hw controller is available |
| @@ -264,8 +265,8 @@ struct nand_hw_control { | |||
| 264 | 265 | ||
| 265 | /** | 266 | /** |
| 266 | * struct nand_chip - NAND Private Flash Chip Data | 267 | * struct nand_chip - NAND Private Flash Chip Data |
| 267 | * @IO_ADDR_R: [BOARDSPECIFIC] address to read the 8 I/O lines of the flash device | 268 | * @IO_ADDR_R: [BOARDSPECIFIC] address to read the 8 I/O lines of the flash device |
| 268 | * @IO_ADDR_W: [BOARDSPECIFIC] address to write the 8 I/O lines of the flash device | 269 | * @IO_ADDR_W: [BOARDSPECIFIC] address to write the 8 I/O lines of the flash device |
| 269 | * @read_byte: [REPLACEABLE] read one byte from the chip | 270 | * @read_byte: [REPLACEABLE] read one byte from the chip |
| 270 | * @write_byte: [REPLACEABLE] write one byte to the chip | 271 | * @write_byte: [REPLACEABLE] write one byte to the chip |
| 271 | * @read_word: [REPLACEABLE] read one word from the chip | 272 | * @read_word: [REPLACEABLE] read one word from the chip |
| @@ -288,7 +289,7 @@ struct nand_hw_control { | |||
| 288 | * be provided if a hardware ECC is available | 289 | * be provided if a hardware ECC is available |
| 289 | * @erase_cmd: [INTERN] erase command write function, selectable due to AND support | 290 | * @erase_cmd: [INTERN] erase command write function, selectable due to AND support |
| 290 | * @scan_bbt: [REPLACEABLE] function to scan bad block table | 291 | * @scan_bbt: [REPLACEABLE] function to scan bad block table |
| 291 | * @eccmode: [BOARDSPECIFIC] mode of ecc, see defines | 292 | * @eccmode: [BOARDSPECIFIC] mode of ecc, see defines |
| 292 | * @eccsize: [INTERN] databytes used per ecc-calculation | 293 | * @eccsize: [INTERN] databytes used per ecc-calculation |
| 293 | * @eccbytes: [INTERN] number of ecc bytes per ecc-calculation step | 294 | * @eccbytes: [INTERN] number of ecc bytes per ecc-calculation step |
| 294 | * @eccsteps: [INTERN] number of ecc calculation steps per page | 295 | * @eccsteps: [INTERN] number of ecc calculation steps per page |
| @@ -300,7 +301,7 @@ struct nand_hw_control { | |||
| 300 | * @phys_erase_shift: [INTERN] number of address bits in a physical eraseblock | 301 | * @phys_erase_shift: [INTERN] number of address bits in a physical eraseblock |
| 301 | * @bbt_erase_shift: [INTERN] number of address bits in a bbt entry | 302 | * @bbt_erase_shift: [INTERN] number of address bits in a bbt entry |
| 302 | * @chip_shift: [INTERN] number of address bits in one chip | 303 | * @chip_shift: [INTERN] number of address bits in one chip |
| 303 | * @data_buf: [INTERN] internal buffer for one page + oob | 304 | * @data_buf: [INTERN] internal buffer for one page + oob |
| 304 | * @oob_buf: [INTERN] oob buffer for one eraseblock | 305 | * @oob_buf: [INTERN] oob buffer for one eraseblock |
| 305 | * @oobdirty: [INTERN] indicates that oob_buf must be reinitialized | 306 | * @oobdirty: [INTERN] indicates that oob_buf must be reinitialized |
| 306 | * @data_poi: [INTERN] pointer to a data buffer | 307 | * @data_poi: [INTERN] pointer to a data buffer |
| @@ -315,22 +316,22 @@ struct nand_hw_control { | |||
| 315 | * @bbt: [INTERN] bad block table pointer | 316 | * @bbt: [INTERN] bad block table pointer |
| 316 | * @bbt_td: [REPLACEABLE] bad block table descriptor for flash lookup | 317 | * @bbt_td: [REPLACEABLE] bad block table descriptor for flash lookup |
| 317 | * @bbt_md: [REPLACEABLE] bad block table mirror descriptor | 318 | * @bbt_md: [REPLACEABLE] bad block table mirror descriptor |
| 318 | * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial bad block scan | 319 | * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial bad block scan |
| 319 | * @controller: [OPTIONAL] a pointer to a hardware controller structure which is shared among multiple independend devices | 320 | * @controller: [OPTIONAL] a pointer to a hardware controller structure which is shared among multiple independend devices |
| 320 | * @priv: [OPTIONAL] pointer to private chip date | 321 | * @priv: [OPTIONAL] pointer to private chip date |
| 321 | * @errstat: [OPTIONAL] hardware specific function to perform additional error status checks | 322 | * @errstat: [OPTIONAL] hardware specific function to perform additional error status checks |
| 322 | * (determine if errors are correctable) | 323 | * (determine if errors are correctable) |
| 323 | */ | 324 | */ |
| 324 | 325 | ||
| 325 | struct nand_chip { | 326 | struct nand_chip { |
| 326 | void __iomem *IO_ADDR_R; | 327 | void __iomem *IO_ADDR_R; |
| 327 | void __iomem *IO_ADDR_W; | 328 | void __iomem *IO_ADDR_W; |
| 328 | 329 | ||
| 329 | u_char (*read_byte)(struct mtd_info *mtd); | 330 | u_char (*read_byte)(struct mtd_info *mtd); |
| 330 | void (*write_byte)(struct mtd_info *mtd, u_char byte); | 331 | void (*write_byte)(struct mtd_info *mtd, u_char byte); |
| 331 | u16 (*read_word)(struct mtd_info *mtd); | 332 | u16 (*read_word)(struct mtd_info *mtd); |
| 332 | void (*write_word)(struct mtd_info *mtd, u16 word); | 333 | void (*write_word)(struct mtd_info *mtd, u16 word); |
| 333 | 334 | ||
| 334 | void (*write_buf)(struct mtd_info *mtd, const u_char *buf, int len); | 335 | void (*write_buf)(struct mtd_info *mtd, const u_char *buf, int len); |
| 335 | void (*read_buf)(struct mtd_info *mtd, u_char *buf, int len); | 336 | void (*read_buf)(struct mtd_info *mtd, u_char *buf, int len); |
| 336 | int (*verify_buf)(struct mtd_info *mtd, const u_char *buf, int len); | 337 | int (*verify_buf)(struct mtd_info *mtd, const u_char *buf, int len); |
| @@ -395,7 +396,7 @@ struct nand_chip { | |||
| 395 | * @name: Identify the device type | 396 | * @name: Identify the device type |
| 396 | * @id: device ID code | 397 | * @id: device ID code |
| 397 | * @pagesize: Pagesize in bytes. Either 256 or 512 or 0 | 398 | * @pagesize: Pagesize in bytes. Either 256 or 512 or 0 |
| 398 | * If the pagesize is 0, then the real pagesize | 399 | * If the pagesize is 0, then the real pagesize |
| 399 | * and the eraseize are determined from the | 400 | * and the eraseize are determined from the |
| 400 | * extended id bytes in the chip | 401 | * extended id bytes in the chip |
| 401 | * @erasesize: Size of an erase block in the flash device. | 402 | * @erasesize: Size of an erase block in the flash device. |
| @@ -424,7 +425,7 @@ struct nand_manufacturers { | |||
| 424 | extern struct nand_flash_dev nand_flash_ids[]; | 425 | extern struct nand_flash_dev nand_flash_ids[]; |
| 425 | extern struct nand_manufacturers nand_manuf_ids[]; | 426 | extern struct nand_manufacturers nand_manuf_ids[]; |
| 426 | 427 | ||
| 427 | /** | 428 | /** |
| 428 | * struct nand_bbt_descr - bad block table descriptor | 429 | * struct nand_bbt_descr - bad block table descriptor |
| 429 | * @options: options for this descriptor | 430 | * @options: options for this descriptor |
| 430 | * @pages: the page(s) where we find the bbt, used with option BBT_ABSPAGE | 431 | * @pages: the page(s) where we find the bbt, used with option BBT_ABSPAGE |
| @@ -435,14 +436,14 @@ extern struct nand_manufacturers nand_manuf_ids[]; | |||
| 435 | * @version: version read from the bbt page during scan | 436 | * @version: version read from the bbt page during scan |
| 436 | * @len: length of the pattern, if 0 no pattern check is performed | 437 | * @len: length of the pattern, if 0 no pattern check is performed |
| 437 | * @maxblocks: maximum number of blocks to search for a bbt. This number of | 438 | * @maxblocks: maximum number of blocks to search for a bbt. This number of |
| 438 | * blocks is reserved at the end of the device where the tables are | 439 | * blocks is reserved at the end of the device where the tables are |
| 439 | * written. | 440 | * written. |
| 440 | * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than | 441 | * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than |
| 441 | * bad) block in the stored bbt | 442 | * bad) block in the stored bbt |
| 442 | * @pattern: pattern to identify bad block table or factory marked good / | 443 | * @pattern: pattern to identify bad block table or factory marked good / |
| 443 | * bad blocks, can be NULL, if len = 0 | 444 | * bad blocks, can be NULL, if len = 0 |
| 444 | * | 445 | * |
| 445 | * Descriptor for the bad block table marker and the descriptor for the | 446 | * Descriptor for the bad block table marker and the descriptor for the |
| 446 | * pattern which identifies good and bad blocks. The assumption is made | 447 | * pattern which identifies good and bad blocks. The assumption is made |
| 447 | * that the pattern and the version count are always located in the oob area | 448 | * that the pattern and the version count are always located in the oob area |
| 448 | * of the first block. | 449 | * of the first block. |
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h new file mode 100644 index 000000000000..f1fd4215686a --- /dev/null +++ b/include/linux/mtd/onenand.h | |||
| @@ -0,0 +1,155 @@ | |||
| 1 | /* | ||
| 2 | * linux/include/linux/mtd/onenand.h | ||
| 3 | * | ||
| 4 | * Copyright (C) 2005 Samsung Electronics | ||
| 5 | * Kyungmin Park <kyungmin.park@samsung.com> | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify | ||
| 8 | * it under the terms of the GNU General Public License version 2 as | ||
| 9 | * published by the Free Software Foundation. | ||
| 10 | */ | ||
| 11 | |||
| 12 | #ifndef __LINUX_MTD_ONENAND_H | ||
| 13 | #define __LINUX_MTD_ONENAND_H | ||
| 14 | |||
| 15 | #include <linux/spinlock.h> | ||
| 16 | #include <linux/mtd/onenand_regs.h> | ||
| 17 | #include <linux/mtd/bbm.h> | ||
| 18 | |||
| 19 | #define MAX_BUFFERRAM 2 | ||
| 20 | #define MAX_ONENAND_PAGESIZE (2048 + 64) | ||
| 21 | |||
| 22 | /* Scan and identify a OneNAND device */ | ||
| 23 | extern int onenand_scan(struct mtd_info *mtd, int max_chips); | ||
| 24 | /* Free resources held by the OneNAND device */ | ||
| 25 | extern void onenand_release(struct mtd_info *mtd); | ||
| 26 | |||
| 27 | /** | ||
| 28 | * onenand_state_t - chip states | ||
| 29 | * Enumeration for OneNAND flash chip state | ||
| 30 | */ | ||
| 31 | typedef enum { | ||
| 32 | FL_READY, | ||
| 33 | FL_READING, | ||
| 34 | FL_WRITING, | ||
| 35 | FL_ERASING, | ||
| 36 | FL_SYNCING, | ||
| 37 | FL_UNLOCKING, | ||
| 38 | FL_LOCKING, | ||
| 39 | FL_PM_SUSPENDED, | ||
| 40 | } onenand_state_t; | ||
| 41 | |||
| 42 | /** | ||
| 43 | * struct onenand_bufferram - OneNAND BufferRAM Data | ||
| 44 | * @param block block address in BufferRAM | ||
| 45 | * @param page page address in BufferRAM | ||
| 46 | * @param valid valid flag | ||
| 47 | */ | ||
| 48 | struct onenand_bufferram { | ||
| 49 | int block; | ||
| 50 | int page; | ||
| 51 | int valid; | ||
| 52 | }; | ||
| 53 | |||
| 54 | /** | ||
| 55 | * struct onenand_chip - OneNAND Private Flash Chip Data | ||
| 56 | * @param base [BOARDSPECIFIC] address to access OneNAND | ||
| 57 | * @param chipsize [INTERN] the size of one chip for multichip arrays | ||
| 58 | * @param device_id [INTERN] device ID | ||
| 59 | * @param verstion_id [INTERN] version ID | ||
| 60 | * @param options [BOARDSPECIFIC] various chip options. They can partly be set to inform onenand_scan about | ||
| 61 | * @param erase_shift [INTERN] number of address bits in a block | ||
| 62 | * @param page_shift [INTERN] number of address bits in a page | ||
| 63 | * @param ppb_shift [INTERN] number of address bits in a pages per block | ||
| 64 | * @param page_mask [INTERN] a page per block mask | ||
| 65 | * @param bufferam_index [INTERN] BufferRAM index | ||
| 66 | * @param bufferam [INTERN] BufferRAM info | ||
| 67 | * @param readw [REPLACEABLE] hardware specific function for read short | ||
| 68 | * @param writew [REPLACEABLE] hardware specific function for write short | ||
| 69 | * @param command [REPLACEABLE] hardware specific function for writing commands to the chip | ||
| 70 | * @param wait [REPLACEABLE] hardware specific function for wait on ready | ||
| 71 | * @param read_bufferram [REPLACEABLE] hardware specific function for BufferRAM Area | ||
| 72 | * @param write_bufferram [REPLACEABLE] hardware specific function for BufferRAM Area | ||
| 73 | * @param read_word [REPLACEABLE] hardware specific function for read register of OneNAND | ||
| 74 | * @param write_word [REPLACEABLE] hardware specific function for write register of OneNAND | ||
| 75 | * @param scan_bbt [REPLACEALBE] hardware specific function for scaning Bad block Table | ||
| 76 | * @param chip_lock [INTERN] spinlock used to protect access to this structure and the chip | ||
| 77 | * @param wq [INTERN] wait queue to sleep on if a OneNAND operation is in progress | ||
| 78 | * @param state [INTERN] the current state of the OneNAND device | ||
| 79 | * @param autooob [REPLACEABLE] the default (auto)placement scheme | ||
| 80 | * @param bbm [REPLACEABLE] pointer to Bad Block Management | ||
| 81 | * @param priv [OPTIONAL] pointer to private chip date | ||
| 82 | */ | ||
| 83 | struct onenand_chip { | ||
| 84 | void __iomem *base; | ||
| 85 | unsigned int chipsize; | ||
| 86 | unsigned int device_id; | ||
| 87 | unsigned int density_mask; | ||
| 88 | unsigned int options; | ||
| 89 | |||
| 90 | unsigned int erase_shift; | ||
| 91 | unsigned int page_shift; | ||
| 92 | unsigned int ppb_shift; /* Pages per block shift */ | ||
| 93 | unsigned int page_mask; | ||
| 94 | |||
| 95 | unsigned int bufferram_index; | ||
| 96 | struct onenand_bufferram bufferram[MAX_BUFFERRAM]; | ||
| 97 | |||
| 98 | int (*command)(struct mtd_info *mtd, int cmd, loff_t address, size_t len); | ||
| 99 | int (*wait)(struct mtd_info *mtd, int state); | ||
| 100 | int (*read_bufferram)(struct mtd_info *mtd, int area, | ||
| 101 | unsigned char *buffer, int offset, size_t count); | ||
| 102 | int (*write_bufferram)(struct mtd_info *mtd, int area, | ||
| 103 | const unsigned char *buffer, int offset, size_t count); | ||
| 104 | unsigned short (*read_word)(void __iomem *addr); | ||
| 105 | void (*write_word)(unsigned short value, void __iomem *addr); | ||
| 106 | void (*mmcontrol)(struct mtd_info *mtd, int sync_read); | ||
| 107 | int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); | ||
| 108 | int (*scan_bbt)(struct mtd_info *mtd); | ||
| 109 | |||
| 110 | spinlock_t chip_lock; | ||
| 111 | wait_queue_head_t wq; | ||
| 112 | onenand_state_t state; | ||
| 113 | |||
| 114 | struct nand_oobinfo *autooob; | ||
| 115 | |||
| 116 | void *bbm; | ||
| 117 | |||
| 118 | void *priv; | ||
| 119 | }; | ||
| 120 | |||
| 121 | /* | ||
| 122 | * Helper macros | ||
| 123 | */ | ||
| 124 | #define ONENAND_CURRENT_BUFFERRAM(this) (this->bufferram_index) | ||
| 125 | #define ONENAND_NEXT_BUFFERRAM(this) (this->bufferram_index ^ 1) | ||
| 126 | #define ONENAND_SET_NEXT_BUFFERRAM(this) (this->bufferram_index ^= 1) | ||
| 127 | |||
| 128 | #define ONENAND_GET_SYS_CFG1(this) \ | ||
| 129 | (this->read_word(this->base + ONENAND_REG_SYS_CFG1)) | ||
| 130 | #define ONENAND_SET_SYS_CFG1(v, this) \ | ||
| 131 | (this->write_word(v, this->base + ONENAND_REG_SYS_CFG1)) | ||
| 132 | |||
| 133 | /* | ||
| 134 | * Options bits | ||
| 135 | */ | ||
| 136 | #define ONENAND_CONT_LOCK (0x0001) | ||
| 137 | |||
| 138 | |||
| 139 | /* | ||
| 140 | * OneNAND Flash Manufacturer ID Codes | ||
| 141 | */ | ||
| 142 | #define ONENAND_MFR_SAMSUNG 0xec | ||
| 143 | #define ONENAND_MFR_UNKNOWN 0x00 | ||
| 144 | |||
| 145 | /** | ||
| 146 | * struct nand_manufacturers - NAND Flash Manufacturer ID Structure | ||
| 147 | * @param name: Manufacturer name | ||
| 148 | * @param id: manufacturer ID code of device. | ||
| 149 | */ | ||
| 150 | struct onenand_manufacturers { | ||
| 151 | int id; | ||
| 152 | char *name; | ||
| 153 | }; | ||
| 154 | |||
| 155 | #endif /* __LINUX_MTD_ONENAND_H */ | ||
diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h new file mode 100644 index 000000000000..d7832ef8ed63 --- /dev/null +++ b/include/linux/mtd/onenand_regs.h | |||
| @@ -0,0 +1,180 @@ | |||
| 1 | /* | ||
| 2 | * linux/include/linux/mtd/onenand_regs.h | ||
| 3 | * | ||
| 4 | * OneNAND Register header file | ||
| 5 | * | ||
| 6 | * Copyright (C) 2005 Samsung Electronics | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License version 2 as | ||
| 10 | * published by the Free Software Foundation. | ||
| 11 | */ | ||
| 12 | |||
| 13 | #ifndef __ONENAND_REG_H | ||
| 14 | #define __ONENAND_REG_H | ||
| 15 | |||
| 16 | /* Memory Address Map Translation (Word order) */ | ||
| 17 | #define ONENAND_MEMORY_MAP(x) ((x) << 1) | ||
| 18 | |||
| 19 | /* | ||
| 20 | * External BufferRAM area | ||
| 21 | */ | ||
| 22 | #define ONENAND_BOOTRAM ONENAND_MEMORY_MAP(0x0000) | ||
| 23 | #define ONENAND_DATARAM ONENAND_MEMORY_MAP(0x0200) | ||
| 24 | #define ONENAND_SPARERAM ONENAND_MEMORY_MAP(0x8010) | ||
| 25 | |||
| 26 | /* | ||
| 27 | * OneNAND Registers | ||
| 28 | */ | ||
| 29 | #define ONENAND_REG_MANUFACTURER_ID ONENAND_MEMORY_MAP(0xF000) | ||
| 30 | #define ONENAND_REG_DEVICE_ID ONENAND_MEMORY_MAP(0xF001) | ||
| 31 | #define ONENAND_REG_VERSION_ID ONENAND_MEMORY_MAP(0xF002) | ||
| 32 | #define ONENAND_REG_DATA_BUFFER_SIZE ONENAND_MEMORY_MAP(0xF003) | ||
| 33 | #define ONENAND_REG_BOOT_BUFFER_SIZE ONENAND_MEMORY_MAP(0xF004) | ||
| 34 | #define ONENAND_REG_NUM_BUFFERS ONENAND_MEMORY_MAP(0xF005) | ||
| 35 | #define ONENAND_REG_TECHNOLOGY ONENAND_MEMORY_MAP(0xF006) | ||
| 36 | |||
| 37 | #define ONENAND_REG_START_ADDRESS1 ONENAND_MEMORY_MAP(0xF100) | ||
| 38 | #define ONENAND_REG_START_ADDRESS2 ONENAND_MEMORY_MAP(0xF101) | ||
| 39 | #define ONENAND_REG_START_ADDRESS3 ONENAND_MEMORY_MAP(0xF102) | ||
| 40 | #define ONENAND_REG_START_ADDRESS4 ONENAND_MEMORY_MAP(0xF103) | ||
| 41 | #define ONENAND_REG_START_ADDRESS5 ONENAND_MEMORY_MAP(0xF104) | ||
| 42 | #define ONENAND_REG_START_ADDRESS6 ONENAND_MEMORY_MAP(0xF105) | ||
| 43 | #define ONENAND_REG_START_ADDRESS7 ONENAND_MEMORY_MAP(0xF106) | ||
| 44 | #define ONENAND_REG_START_ADDRESS8 ONENAND_MEMORY_MAP(0xF107) | ||
| 45 | |||
| 46 | #define ONENAND_REG_START_BUFFER ONENAND_MEMORY_MAP(0xF200) | ||
| 47 | #define ONENAND_REG_COMMAND ONENAND_MEMORY_MAP(0xF220) | ||
| 48 | #define ONENAND_REG_SYS_CFG1 ONENAND_MEMORY_MAP(0xF221) | ||
| 49 | #define ONENAND_REG_SYS_CFG2 ONENAND_MEMORY_MAP(0xF222) | ||
| 50 | #define ONENAND_REG_CTRL_STATUS ONENAND_MEMORY_MAP(0xF240) | ||
| 51 | #define ONENAND_REG_INTERRUPT ONENAND_MEMORY_MAP(0xF241) | ||
| 52 | #define ONENAND_REG_START_BLOCK_ADDRESS ONENAND_MEMORY_MAP(0xF24C) | ||
| 53 | #define ONENAND_REG_END_BLOCK_ADDRESS ONENAND_MEMORY_MAP(0xF24D) | ||
| 54 | #define ONENAND_REG_WP_STATUS ONENAND_MEMORY_MAP(0xF24E) | ||
| 55 | |||
| 56 | #define ONENAND_REG_ECC_STATUS ONENAND_MEMORY_MAP(0xFF00) | ||
| 57 | #define ONENAND_REG_ECC_M0 ONENAND_MEMORY_MAP(0xFF01) | ||
| 58 | #define ONENAND_REG_ECC_S0 ONENAND_MEMORY_MAP(0xFF02) | ||
| 59 | #define ONENAND_REG_ECC_M1 ONENAND_MEMORY_MAP(0xFF03) | ||
| 60 | #define ONENAND_REG_ECC_S1 ONENAND_MEMORY_MAP(0xFF04) | ||
| 61 | #define ONENAND_REG_ECC_M2 ONENAND_MEMORY_MAP(0xFF05) | ||
| 62 | #define ONENAND_REG_ECC_S2 ONENAND_MEMORY_MAP(0xFF06) | ||
| 63 | #define ONENAND_REG_ECC_M3 ONENAND_MEMORY_MAP(0xFF07) | ||
| 64 | #define ONENAND_REG_ECC_S3 ONENAND_MEMORY_MAP(0xFF08) | ||
| 65 | |||
| 66 | /* | ||
| 67 | * Device ID Register F001h (R) | ||
| 68 | */ | ||
| 69 | #define ONENAND_DEVICE_DENSITY_SHIFT (4) | ||
| 70 | #define ONENAND_DEVICE_IS_DDP (1 << 3) | ||
| 71 | #define ONENAND_DEVICE_IS_DEMUX (1 << 2) | ||
| 72 | #define ONENAND_DEVICE_VCC_MASK (0x3) | ||
| 73 | |||
| 74 | #define ONENAND_DEVICE_DENSITY_512Mb (0x002) | ||
| 75 | |||
| 76 | /* | ||
| 77 | * Version ID Register F002h (R) | ||
| 78 | */ | ||
| 79 | #define ONENAND_VERSION_PROCESS_SHIFT (8) | ||
| 80 | |||
| 81 | /* | ||
| 82 | * Start Address 1 F100h (R/W) | ||
| 83 | */ | ||
| 84 | #define ONENAND_DDP_SHIFT (15) | ||
| 85 | |||
| 86 | /* | ||
| 87 | * Start Address 8 F107h (R/W) | ||
| 88 | */ | ||
| 89 | #define ONENAND_FPA_MASK (0x3f) | ||
| 90 | #define ONENAND_FPA_SHIFT (2) | ||
| 91 | #define ONENAND_FSA_MASK (0x03) | ||
| 92 | |||
| 93 | /* | ||
| 94 | * Start Buffer Register F200h (R/W) | ||
| 95 | */ | ||
| 96 | #define ONENAND_BSA_MASK (0x03) | ||
| 97 | #define ONENAND_BSA_SHIFT (8) | ||
| 98 | #define ONENAND_BSA_BOOTRAM (0 << 2) | ||
| 99 | #define ONENAND_BSA_DATARAM0 (2 << 2) | ||
| 100 | #define ONENAND_BSA_DATARAM1 (3 << 2) | ||
| 101 | #define ONENAND_BSC_MASK (0x03) | ||
| 102 | |||
| 103 | /* | ||
| 104 | * Command Register F220h (R/W) | ||
| 105 | */ | ||
| 106 | #define ONENAND_CMD_READ (0x00) | ||
| 107 | #define ONENAND_CMD_READOOB (0x13) | ||
| 108 | #define ONENAND_CMD_PROG (0x80) | ||
| 109 | #define ONENAND_CMD_PROGOOB (0x1A) | ||
| 110 | #define ONENAND_CMD_UNLOCK (0x23) | ||
| 111 | #define ONENAND_CMD_LOCK (0x2A) | ||
| 112 | #define ONENAND_CMD_LOCK_TIGHT (0x2C) | ||
| 113 | #define ONENAND_CMD_ERASE (0x94) | ||
| 114 | #define ONENAND_CMD_RESET (0xF0) | ||
| 115 | #define ONENAND_CMD_READID (0x90) | ||
| 116 | |||
| 117 | /* NOTE: Those are not *REAL* commands */ | ||
| 118 | #define ONENAND_CMD_BUFFERRAM (0x1978) | ||
| 119 | |||
| 120 | /* | ||
| 121 | * System Configuration 1 Register F221h (R, R/W) | ||
| 122 | */ | ||
| 123 | #define ONENAND_SYS_CFG1_SYNC_READ (1 << 15) | ||
| 124 | #define ONENAND_SYS_CFG1_BRL_7 (7 << 12) | ||
| 125 | #define ONENAND_SYS_CFG1_BRL_6 (6 << 12) | ||
| 126 | #define ONENAND_SYS_CFG1_BRL_5 (5 << 12) | ||
| 127 | #define ONENAND_SYS_CFG1_BRL_4 (4 << 12) | ||
| 128 | #define ONENAND_SYS_CFG1_BRL_3 (3 << 12) | ||
| 129 | #define ONENAND_SYS_CFG1_BRL_10 (2 << 12) | ||
| 130 | #define ONENAND_SYS_CFG1_BRL_9 (1 << 12) | ||
| 131 | #define ONENAND_SYS_CFG1_BRL_8 (0 << 12) | ||
| 132 | #define ONENAND_SYS_CFG1_BRL_SHIFT (12) | ||
| 133 | #define ONENAND_SYS_CFG1_BL_32 (4 << 9) | ||
| 134 | #define ONENAND_SYS_CFG1_BL_16 (3 << 9) | ||
| 135 | #define ONENAND_SYS_CFG1_BL_8 (2 << 9) | ||
| 136 | #define ONENAND_SYS_CFG1_BL_4 (1 << 9) | ||
| 137 | #define ONENAND_SYS_CFG1_BL_CONT (0 << 9) | ||
| 138 | #define ONENAND_SYS_CFG1_BL_SHIFT (9) | ||
| 139 | #define ONENAND_SYS_CFG1_NO_ECC (1 << 8) | ||
| 140 | #define ONENAND_SYS_CFG1_RDY (1 << 7) | ||
| 141 | #define ONENAND_SYS_CFG1_INT (1 << 6) | ||
| 142 | #define ONENAND_SYS_CFG1_IOBE (1 << 5) | ||
| 143 | #define ONENAND_SYS_CFG1_RDY_CONF (1 << 4) | ||
| 144 | |||
| 145 | /* | ||
| 146 | * Controller Status Register F240h (R) | ||
| 147 | */ | ||
| 148 | #define ONENAND_CTRL_ONGO (1 << 15) | ||
| 149 | #define ONENAND_CTRL_LOCK (1 << 14) | ||
| 150 | #define ONENAND_CTRL_LOAD (1 << 13) | ||
| 151 | #define ONENAND_CTRL_PROGRAM (1 << 12) | ||
| 152 | #define ONENAND_CTRL_ERASE (1 << 11) | ||
| 153 | #define ONENAND_CTRL_ERROR (1 << 10) | ||
| 154 | #define ONENAND_CTRL_RSTB (1 << 7) | ||
| 155 | |||
| 156 | /* | ||
| 157 | * Interrupt Status Register F241h (R) | ||
| 158 | */ | ||
| 159 | #define ONENAND_INT_MASTER (1 << 15) | ||
| 160 | #define ONENAND_INT_READ (1 << 7) | ||
| 161 | #define ONENAND_INT_WRITE (1 << 6) | ||
| 162 | #define ONENAND_INT_ERASE (1 << 5) | ||
| 163 | #define ONENAND_INT_RESET (1 << 4) | ||
| 164 | #define ONENAND_INT_CLEAR (0 << 0) | ||
| 165 | |||
| 166 | /* | ||
| 167 | * NAND Flash Write Protection Status Register F24Eh (R) | ||
| 168 | */ | ||
| 169 | #define ONENAND_WP_US (1 << 2) | ||
| 170 | #define ONENAND_WP_LS (1 << 1) | ||
| 171 | #define ONENAND_WP_LTS (1 << 0) | ||
| 172 | |||
| 173 | /* | ||
| 174 | * ECC Status Reigser FF00h (R) | ||
| 175 | */ | ||
| 176 | #define ONENAND_ECC_1BIT (1 << 0) | ||
| 177 | #define ONENAND_ECC_2BIT (1 << 1) | ||
| 178 | #define ONENAND_ECC_2BIT_ALL (0xAAAA) | ||
| 179 | |||
| 180 | #endif /* __ONENAND_REG_H */ | ||
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h index 50b2edfc8f11..b03f512d51b9 100644 --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h | |||
| @@ -5,7 +5,7 @@ | |||
| 5 | * | 5 | * |
| 6 | * This code is GPL | 6 | * This code is GPL |
| 7 | * | 7 | * |
| 8 | * $Id: partitions.h,v 1.16 2004/11/16 18:34:40 dwmw2 Exp $ | 8 | * $Id: partitions.h,v 1.17 2005/11/07 11:14:55 gleixner Exp $ |
| 9 | */ | 9 | */ |
| 10 | 10 | ||
| 11 | #ifndef MTD_PARTITIONS_H | 11 | #ifndef MTD_PARTITIONS_H |
| @@ -16,25 +16,25 @@ | |||
| 16 | 16 | ||
| 17 | /* | 17 | /* |
| 18 | * Partition definition structure: | 18 | * Partition definition structure: |
| 19 | * | 19 | * |
| 20 | * An array of struct partition is passed along with a MTD object to | 20 | * An array of struct partition is passed along with a MTD object to |
| 21 | * add_mtd_partitions() to create them. | 21 | * add_mtd_partitions() to create them. |
| 22 | * | 22 | * |
| 23 | * For each partition, these fields are available: | 23 | * For each partition, these fields are available: |
| 24 | * name: string that will be used to label the partition's MTD device. | 24 | * name: string that will be used to label the partition's MTD device. |
| 25 | * size: the partition size; if defined as MTDPART_SIZ_FULL, the partition | 25 | * size: the partition size; if defined as MTDPART_SIZ_FULL, the partition |
| 26 | * will extend to the end of the master MTD device. | 26 | * will extend to the end of the master MTD device. |
| 27 | * offset: absolute starting position within the master MTD device; if | 27 | * offset: absolute starting position within the master MTD device; if |
| 28 | * defined as MTDPART_OFS_APPEND, the partition will start where the | 28 | * defined as MTDPART_OFS_APPEND, the partition will start where the |
| 29 | * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block. | 29 | * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block. |
| 30 | * 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 |
| 31 | * master MTD flag set for the corresponding MTD partition. | 31 | * master MTD flag set for the corresponding MTD partition. |
| 32 | * For example, to force a read-only partition, simply adding | 32 | * For example, to force a read-only partition, simply adding |
| 33 | * MTD_WRITEABLE to the mask_flags will do the trick. | 33 | * MTD_WRITEABLE to the mask_flags will do the trick. |
| 34 | * | 34 | * |
| 35 | * Note: writeable partitions require their size and offset be | 35 | * Note: writeable partitions require their size and offset be |
| 36 | * erasesize aligned (e.g. use MTDPART_OFS_NEXTBLK). | 36 | * erasesize aligned (e.g. use MTDPART_OFS_NEXTBLK). |
| 37 | */ | 37 | */ |
| 38 | 38 | ||
| 39 | struct mtd_partition { | 39 | struct mtd_partition { |
| 40 | char *name; /* identifier string */ | 40 | char *name; /* identifier string */ |
| @@ -66,7 +66,7 @@ struct mtd_part_parser { | |||
| 66 | 66 | ||
| 67 | extern int register_mtd_parser(struct mtd_part_parser *parser); | 67 | extern int register_mtd_parser(struct mtd_part_parser *parser); |
| 68 | extern int deregister_mtd_parser(struct mtd_part_parser *parser); | 68 | extern int deregister_mtd_parser(struct mtd_part_parser *parser); |
| 69 | extern int parse_mtd_partitions(struct mtd_info *master, const char **types, | 69 | extern int parse_mtd_partitions(struct mtd_info *master, const char **types, |
| 70 | struct mtd_partition **pparts, unsigned long origin); | 70 | struct mtd_partition **pparts, unsigned long origin); |
| 71 | 71 | ||
| 72 | #define put_partition_parser(p) do { module_put((p)->owner); } while(0) | 72 | #define put_partition_parser(p) do { module_put((p)->owner); } while(0) |
diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h index 05aa4970677f..c7b8bcdef013 100644 --- a/include/linux/mtd/physmap.h +++ b/include/linux/mtd/physmap.h | |||
| @@ -1,8 +1,8 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * For boards with physically mapped flash and using | 2 | * For boards with physically mapped flash and using |
| 3 | * drivers/mtd/maps/physmap.c mapping driver. | 3 | * drivers/mtd/maps/physmap.c mapping driver. |
| 4 | * | 4 | * |
| 5 | * $Id: physmap.h,v 1.3 2004/07/21 00:16:15 jwboyer Exp $ | 5 | * $Id: physmap.h,v 1.4 2005/11/07 11:14:55 gleixner Exp $ |
| 6 | * | 6 | * |
| 7 | * Copyright (C) 2003 MontaVista Software Inc. | 7 | * Copyright (C) 2003 MontaVista Software Inc. |
| 8 | * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net | 8 | * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net |
| @@ -18,7 +18,7 @@ | |||
| 18 | 18 | ||
| 19 | #include <linux/config.h> | 19 | #include <linux/config.h> |
| 20 | 20 | ||
| 21 | #if defined(CONFIG_MTD_PHYSMAP) | 21 | #if defined(CONFIG_MTD_PHYSMAP) |
| 22 | 22 | ||
| 23 | #include <linux/mtd/mtd.h> | 23 | #include <linux/mtd/mtd.h> |
| 24 | #include <linux/mtd/map.h> | 24 | #include <linux/mtd/map.h> |
| @@ -44,12 +44,12 @@ static inline void physmap_configure(unsigned long addr, unsigned long size, int | |||
| 44 | #if defined(CONFIG_MTD_PARTITIONS) | 44 | #if defined(CONFIG_MTD_PARTITIONS) |
| 45 | 45 | ||
| 46 | /* | 46 | /* |
| 47 | * Machines that wish to do flash partition may want to call this function in | 47 | * Machines that wish to do flash partition may want to call this function in |
| 48 | * their setup routine. | 48 | * their setup routine. |
| 49 | * | 49 | * |
| 50 | * physmap_set_partitions(mypartitions, num_parts); | 50 | * physmap_set_partitions(mypartitions, num_parts); |
| 51 | * | 51 | * |
| 52 | * Note that one can always override this hard-coded partition with | 52 | * Note that one can always override this hard-coded partition with |
| 53 | * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS). | 53 | * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS). |
| 54 | */ | 54 | */ |
| 55 | void physmap_set_partitions(struct mtd_partition *parts, int num_parts); | 55 | void physmap_set_partitions(struct mtd_partition *parts, int num_parts); |
diff --git a/include/linux/mtd/pmc551.h b/include/linux/mtd/pmc551.h index 113e3087f68a..a7f6d20ad407 100644 --- a/include/linux/mtd/pmc551.h +++ b/include/linux/mtd/pmc551.h | |||
| @@ -1,5 +1,5 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * $Id: pmc551.h,v 1.5 2003/01/24 16:49:53 dwmw2 Exp $ | 2 | * $Id: pmc551.h,v 1.6 2005/11/07 11:14:55 gleixner Exp $ |
| 3 | * | 3 | * |
| 4 | * PMC551 PCI Mezzanine Ram Device | 4 | * PMC551 PCI Mezzanine Ram Device |
| 5 | * | 5 | * |
| @@ -7,7 +7,7 @@ | |||
| 7 | * Mark Ferrell | 7 | * Mark Ferrell |
| 8 | * Copyright 1999,2000 Nortel Networks | 8 | * Copyright 1999,2000 Nortel Networks |
| 9 | * | 9 | * |
| 10 | * License: | 10 | * License: |
| 11 | * As part of this driver was derrived from the slram.c driver it falls | 11 | * As part of this driver was derrived from the slram.c driver it falls |
| 12 | * under the same license, which is GNU General Public License v2 | 12 | * under the same license, which is GNU General Public License v2 |
| 13 | */ | 13 | */ |
| @@ -17,7 +17,7 @@ | |||
| 17 | 17 | ||
| 18 | #include <linux/mtd/mtd.h> | 18 | #include <linux/mtd/mtd.h> |
| 19 | 19 | ||
| 20 | #define PMC551_VERSION "$Id: pmc551.h,v 1.5 2003/01/24 16:49:53 dwmw2 Exp $\n"\ | 20 | #define PMC551_VERSION "$Id: pmc551.h,v 1.6 2005/11/07 11:14:55 gleixner Exp $\n"\ |
| 21 | "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n" | 21 | "Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.\n" |
| 22 | 22 | ||
| 23 | /* | 23 | /* |
| @@ -30,7 +30,7 @@ struct mypriv { | |||
| 30 | u32 curr_map0; | 30 | u32 curr_map0; |
| 31 | u32 asize; | 31 | u32 asize; |
| 32 | struct mtd_info *nextpmc551; | 32 | struct mtd_info *nextpmc551; |
| 33 | }; | 33 | }; |
| 34 | 34 | ||
| 35 | /* | 35 | /* |
| 36 | * Function Prototypes | 36 | * Function Prototypes |
| @@ -39,7 +39,7 @@ static int pmc551_erase(struct mtd_info *, struct erase_info *); | |||
| 39 | static void pmc551_unpoint(struct mtd_info *, u_char *, loff_t, size_t); | 39 | static void pmc551_unpoint(struct mtd_info *, u_char *, loff_t, size_t); |
| 40 | static int pmc551_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf); | 40 | static int pmc551_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf); |
| 41 | static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *); | 41 | static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *); |
| 42 | static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); | 42 | static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); |
| 43 | 43 | ||
| 44 | 44 | ||
| 45 | /* | 45 | /* |
| @@ -50,7 +50,7 @@ static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_cha | |||
| 50 | #endif | 50 | #endif |
| 51 | 51 | ||
| 52 | #ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC | 52 | #ifndef PCI_DEVICE_ID_V3_SEMI_V370PDC |
| 53 | #define PCI_DEVICE_ID_V3_SEMI_V370PDC 0x0200 | 53 | #define PCI_DEVICE_ID_V3_SEMI_V370PDC 0x0200 |
| 54 | #endif | 54 | #endif |
| 55 | 55 | ||
| 56 | 56 | ||
diff --git a/include/linux/mtd/xip.h b/include/linux/mtd/xip.h index 7b7deef6b180..220d50bb71cd 100644 --- a/include/linux/mtd/xip.h +++ b/include/linux/mtd/xip.h | |||
| @@ -12,7 +12,7 @@ | |||
| 12 | * it under the terms of the GNU General Public License version 2 as | 12 | * it under the terms of the GNU General Public License version 2 as |
| 13 | * published by the Free Software Foundation. | 13 | * published by the Free Software Foundation. |
| 14 | * | 14 | * |
| 15 | * $Id: xip.h,v 1.2 2004/12/01 15:49:10 nico Exp $ | 15 | * $Id: xip.h,v 1.5 2005/11/07 11:14:55 gleixner Exp $ |
| 16 | */ | 16 | */ |
| 17 | 17 | ||
| 18 | #ifndef __LINUX_MTD_XIP_H__ | 18 | #ifndef __LINUX_MTD_XIP_H__ |
| @@ -23,19 +23,19 @@ | |||
| 23 | #ifdef CONFIG_MTD_XIP | 23 | #ifdef CONFIG_MTD_XIP |
| 24 | 24 | ||
| 25 | /* | 25 | /* |
| 26 | * Function that are modifying the flash state away from array mode must | ||
| 27 | * obviously not be running from flash. The __xipram is therefore marking | ||
| 28 | * those functions so they get relocated to ram. | ||
| 29 | */ | ||
| 30 | #define __xipram __attribute__ ((__section__ (".data"))) | ||
| 31 | |||
| 32 | /* | ||
| 33 | * We really don't want gcc to guess anything. | 26 | * We really don't want gcc to guess anything. |
| 34 | * We absolutely _need_ proper inlining. | 27 | * We absolutely _need_ proper inlining. |
| 35 | */ | 28 | */ |
| 36 | #include <linux/compiler.h> | 29 | #include <linux/compiler.h> |
| 37 | 30 | ||
| 38 | /* | 31 | /* |
| 32 | * Function that are modifying the flash state away from array mode must | ||
| 33 | * obviously not be running from flash. The __xipram is therefore marking | ||
| 34 | * those functions so they get relocated to ram. | ||
| 35 | */ | ||
| 36 | #define __xipram noinline __attribute__ ((__section__ (".data"))) | ||
| 37 | |||
| 38 | /* | ||
| 39 | * Each architecture has to provide the following macros. They must access | 39 | * Each architecture has to provide the following macros. They must access |
| 40 | * the hardware directly and not rely on any other (XIP) functions since they | 40 | * the hardware directly and not rely on any other (XIP) functions since they |
| 41 | * won't be available when used (flash not in array mode). | 41 | * won't be available when used (flash not in array mode). |
| @@ -60,9 +60,9 @@ | |||
| 60 | * overflowing. | 60 | * overflowing. |
| 61 | * | 61 | * |
| 62 | * xip_iprefetch() | 62 | * xip_iprefetch() |
| 63 | * | 63 | * |
| 64 | * Macro to fill instruction prefetch | 64 | * Macro to fill instruction prefetch |
| 65 | * e.g. a series of nops: asm volatile (".rep 8; nop; .endr"); | 65 | * e.g. a series of nops: asm volatile (".rep 8; nop; .endr"); |
| 66 | */ | 66 | */ |
| 67 | 67 | ||
| 68 | #include <asm/mtd-xip.h> | 68 | #include <asm/mtd-xip.h> |
