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| author | Gabor Juhos <juhosg@openwrt.org> | 2011-07-03 15:01:51 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2011-07-03 15:01:51 +0000 |
| commit | a99c1d5c6978bc9bba64b31d739925d2e3dc3981 (patch) | |
| tree | d1dd02d0e4844f9c3062c952b511f1177771a14b /target/linux/ramips | |
| parent | 420a1bc0f75dd3fb8413d7e8c374ea84bca6b563 (diff) | |
| download | upstream-a99c1d5c6978bc9bba64b31d739925d2e3dc3981.tar.gz upstream-a99c1d5c6978bc9bba64b31d739925d2e3dc3981.tar.bz2 upstream-a99c1d5c6978bc9bba64b31d739925d2e3dc3981.zip | |
ramips: force word write on flashes with AMD cmdset (#9252)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27385 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips')
| -rw-r--r-- | target/linux/ramips/patches-2.6.37/011-mtd-cfi_cmdset_0002-force-word-write.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-2.6.37/011-mtd-cfi_cmdset_0002-force-word-write.patch b/target/linux/ramips/patches-2.6.37/011-mtd-cfi_cmdset_0002-force-word-write.patch new file mode 100644 index 0000000000..8e93b10aa5 --- /dev/null +++ b/target/linux/ramips/patches-2.6.37/011-mtd-cfi_cmdset_0002-force-word-write.patch @@ -0,0 +1,70 @@ +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -39,7 +39,7 @@ + #include <linux/mtd/xip.h> + + #define AMD_BOOTLOC_BUG +-#define FORCE_WORD_WRITE 0 ++#define FORCE_WORD_WRITE 1 + + #define MAX_WORD_RETRIES 3 + +@@ -50,7 +50,9 @@ + + static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); + static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); ++#if !FORCE_WORD_WRITE + static int cfi_amdstd_write_buffers(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); ++#endif + static int cfi_amdstd_erase_chip(struct mtd_info *, struct erase_info *); + static int cfi_amdstd_erase_varsize(struct mtd_info *, struct erase_info *); + static void cfi_amdstd_sync (struct mtd_info *); +@@ -186,6 +188,7 @@ static void fixup_amd_bootblock(struct m + } + #endif + ++#if !FORCE_WORD_WRITE + static void fixup_use_write_buffers(struct mtd_info *mtd, void *param) + { + struct map_info *map = mtd->priv; +@@ -195,6 +198,7 @@ static void fixup_use_write_buffers(stru + mtd->write = cfi_amdstd_write_buffers; + } + } ++#endif /* !FORCE_WORD_WRITE */ + + /* Atmel chips don't use the same PRI format as AMD chips */ + static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) +@@ -472,7 +476,7 @@ struct mtd_info *cfi_cmdset_0002(struct + + /* + * Valid primary extension versions are: 1.0, 1.1, 1.2, 1.3, 1.4 +- * see: Spec 1.3 http://cs.ozerki.net/zap/pub/axim-x5/docs/cfi_r20.pdf, page 19 ++ * see: Spec 1.3 http://cs.ozerki.net/zap/pub/axim-x5/docs/cfi_r20.pdf, page 19 + * http://www.spansion.com/Support/AppNotes/cfi_100_20011201.pdf + * Spec 1.4 http://www.spansion.com/Support/AppNotes/CFI_Spec_AN_03.pdf, page 9 + */ +@@ -1386,6 +1390,7 @@ static int cfi_amdstd_write_words(struct + /* + * FIXME: interleaved mode not tested, and probably not supported! + */ ++#if !FORCE_WORD_WRITE + static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, + unsigned long adr, const u_char *buf, + int len) +@@ -1496,7 +1501,6 @@ static int __xipram do_write_buffer(stru + return ret; + } + +- + static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len, + size_t *retlen, const u_char *buf) + { +@@ -1575,6 +1579,7 @@ static int cfi_amdstd_write_buffers(stru + + return 0; + } ++#endif /* !FORCE_WORD_WRITE */ + + + /* |