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| author | Gabor Juhos <juhosg@openwrt.org> | 2013-04-07 11:37:15 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2013-04-07 11:37:15 +0000 |
| commit | 85675528da0cd5c29b14a77d8ea83150131b4520 (patch) | |
| tree | 86a6da02a8538063a217f1ec6fe088c71c66c77b /target/linux/ramips/patches-3.8 | |
| parent | fde143b66f2e627280d966e0fe3a08ec5ba78d96 (diff) | |
| download | upstream-85675528da0cd5c29b14a77d8ea83150131b4520.tar.gz upstream-85675528da0cd5c29b14a77d8ea83150131b4520.tar.bz2 upstream-85675528da0cd5c29b14a77d8ea83150131b4520.zip | |
ramips: add cfi_cmdset_0002 patches
The parallel flash access on the RT-N56U is broken
without those patches.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 36242
Diffstat (limited to 'target/linux/ramips/patches-3.8')
| -rw-r--r-- | target/linux/ramips/patches-3.8/0210-mtd_fix_cfi_cmdset_0002_erase_status_check.patch | 20 | ||||
| -rw-r--r-- | target/linux/ramips/patches-3.8/0211-mtd-cfi_cmdset_0002-force-word-write.patch | 61 |
2 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.8/0210-mtd_fix_cfi_cmdset_0002_erase_status_check.patch b/target/linux/ramips/patches-3.8/0210-mtd_fix_cfi_cmdset_0002_erase_status_check.patch new file mode 100644 index 0000000000..bf076fe2ec --- /dev/null +++ b/target/linux/ramips/patches-3.8/0210-mtd_fix_cfi_cmdset_0002_erase_status_check.patch @@ -0,0 +1,20 @@ +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -1927,7 +1927,7 @@ static int __xipram do_erase_chip(struct + chip->erase_suspended = 0; + } + +- if (chip_ready(map, adr)) ++ if (chip_good(map, adr, map_word_ff(map))) + break; + + if (time_after(jiffies, timeo)) { +@@ -2016,7 +2016,7 @@ static int __xipram do_erase_oneblock(st + chip->erase_suspended = 0; + } + +- if (chip_ready(map, adr)) { ++ if (chip_good(map, adr, map_word_ff(map))) { + xip_enable(map, chip, adr); + break; + } diff --git a/target/linux/ramips/patches-3.8/0211-mtd-cfi_cmdset_0002-force-word-write.patch b/target/linux/ramips/patches-3.8/0211-mtd-cfi_cmdset_0002-force-word-write.patch new file mode 100644 index 0000000000..5f9df144f9 --- /dev/null +++ b/target/linux/ramips/patches-3.8/0211-mtd-cfi_cmdset_0002-force-word-write.patch @@ -0,0 +1,61 @@ +--- 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) + { + 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) +@@ -1443,6 +1447,7 @@ 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) +@@ -1555,7 +1560,6 @@ 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) + { +@@ -1630,6 +1634,7 @@ static int cfi_amdstd_write_buffers(stru + + return 0; + } ++#endif /* !FORCE_WORD_WRITE */ + + /* + * Wait for the flash chip to become ready to write data |