diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-09 01:07:12 -0500 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-09 01:07:12 -0500 |
commit | a892acacd3a8546ac161526522f13b5174f2c471 (patch) | |
tree | ee6d36f27f1388989ebfcabf90253fb7194112ac /include/linux/mtd/cfi.h | |
parent | 193515d51ccb363165d6b09e9ba5c21089e34bad (diff) | |
parent | 330d57fb98a916fa8e1363846540dd420e99499a (diff) |
Merge branch 'master'
Diffstat (limited to 'include/linux/mtd/cfi.h')
-rw-r--r-- | include/linux/mtd/cfi.h | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index e6b6a1c66bd..39f1430bd6d 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -1,7 +1,7 @@ -/* Common Flash Interface structures +/* Common Flash Interface structures * See http://support.intel.com/design/flash/technote/index.htm - * $Id: cfi.h,v 1.54 2005/06/06 23:04:36 tpoynor Exp $ + * $Id: cfi.h,v 1.56 2005/11/07 11:14:54 gleixner Exp $ */ #ifndef __MTD_CFI_H__ @@ -82,8 +82,8 @@ static inline int cfi_interleave_supported(int i) } -/* NB: these values must represents the number of bytes needed to meet the - * device type (x8, x16, x32). Eg. a 32 bit device is 4 x 8 bytes. +/* NB: these values must represents the number of bytes needed to meet the + * device type (x8, x16, x32). Eg. a 32 bit device is 4 x 8 bytes. * These numbers are used in calculations. */ #define CFI_DEVICETYPE_X8 (8 / 8) @@ -173,6 +173,15 @@ struct cfi_intelext_regioninfo { struct cfi_intelext_blockinfo BlockTypes[1]; } __attribute__((packed)); +struct cfi_intelext_programming_regioninfo { + uint8_t ProgRegShift; + uint8_t Reserved1; + uint8_t ControlValid; + uint8_t Reserved2; + uint8_t ControlInvalid; + uint8_t Reserved3; +} __attribute__((packed)); + /* Vendor-Specific PRI for AMD/Fujitsu Extended Command Set (0x0002) */ struct cfi_pri_amdstd { @@ -250,7 +259,7 @@ static inline uint32_t cfi_build_cmd_addr(uint32_t cmd_ofs, int interleave, int /* * Transforms the CFI command for the given geometry (bus width & interleave). * It looks too long to be inline, but in the common case it should almost all - * get optimised away. + * get optimised away. */ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cfi_private *cfi) { @@ -259,7 +268,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf unsigned long onecmd; int i; - /* We do it this way to give the compiler a fighting chance + /* We do it this way to give the compiler a fighting chance of optimising away all the crap for 'bankwidth' larger than an unsigned long, in the common case where that support is disabled */ @@ -270,7 +279,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf wordwidth = map_bankwidth(map); words_per_bus = 1; } - + chip_mode = map_bankwidth(map) / cfi_interleave(cfi); chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map); @@ -289,7 +298,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf break; } - /* Now replicate it across the size of an unsigned long, or + /* Now replicate it across the size of an unsigned long, or just to the bus width as appropriate */ switch (chips_per_word) { default: BUG(); @@ -305,7 +314,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf ; } - /* And finally, for the multi-word case, replicate it + /* And finally, for the multi-word case, replicate it in all words in the structure */ for (i=0; i < words_per_bus; i++) { val.x[i] = onecmd; @@ -316,14 +325,14 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf #define CMD(x) cfi_build_cmd((x), map, cfi) -static inline unsigned char cfi_merge_status(map_word val, struct map_info *map, +static inline unsigned long cfi_merge_status(map_word val, struct map_info *map, struct cfi_private *cfi) { int wordwidth, words_per_bus, chip_mode, chips_per_word; unsigned long onestat, res = 0; int i; - /* We do it this way to give the compiler a fighting chance + /* We do it this way to give the compiler a fighting chance of optimising away all the crap for 'bankwidth' larger than an unsigned long, in the common case where that support is disabled */ @@ -334,7 +343,7 @@ static inline unsigned char cfi_merge_status(map_word val, struct map_info *map, wordwidth = map_bankwidth(map); words_per_bus = 1; } - + chip_mode = map_bankwidth(map) / cfi_interleave(cfi); chips_per_word = wordwidth * cfi_interleave(cfi) / map_bankwidth(map); |