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| author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-04-15 15:17:44 +0000 |
|---|---|---|
| committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-04-15 15:17:44 +0000 |
| commit | c25722804890aad8f6bbe66fc296e36fbd7c0f65 (patch) | |
| tree | a38fef792b13ac9ee4f667b06d745ccba7af7c3f /src/flash/cfi.c | |
| parent | 0bc7d2c692d1236b45423e30cb6da1aac4f2aa4d (diff) | |
| download | riscv-openocd-c25722804890aad8f6bbe66fc296e36fbd7c0f65.zip riscv-openocd-c25722804890aad8f6bbe66fc296e36fbd7c0f65.tar.gz riscv-openocd-c25722804890aad8f6bbe66fc296e36fbd7c0f65.tar.bz2 | |
Nico Coesel <ncoesel@dealogic.nl> Chip width / bus width bug in cfi driver
git-svn-id: svn://svn.berlios.de/openocd/trunk@1459 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/flash/cfi.c')
| -rw-r--r-- | src/flash/cfi.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/flash/cfi.c b/src/flash/cfi.c index be5bfb7..deb9cfe 100644 --- a/src/flash/cfi.c +++ b/src/flash/cfi.c @@ -1589,7 +1589,7 @@ int cfi_intel_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, u3 u8 command[8]; /* Calculate buffer size and boundary mask */ - u32 buffersize = 1UL << cfi_info->max_buf_write_size; + u32 buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); u32 buffermask = buffersize-1; u32 bufferwsize; @@ -1609,6 +1609,9 @@ int cfi_intel_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, u3 return ERROR_FLASH_OPERATION_FAILED; } + bufferwsize/=(bank->bus_width / bank->chip_width); + + /* Check for valid size */ if (wordcount > bufferwsize) { @@ -1725,7 +1728,7 @@ int cfi_spansion_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext; /* Calculate buffer size and boundary mask */ - u32 buffersize = 1UL << cfi_info->max_buf_write_size; + u32 buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); u32 buffermask = buffersize-1; u32 bufferwsize; @@ -1745,6 +1748,8 @@ int cfi_spansion_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, return ERROR_FLASH_OPERATION_FAILED; } + bufferwsize/=(bank->bus_width / bank->chip_width); + /* Check for valid size */ if (wordcount > bufferwsize) { @@ -1946,7 +1951,8 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) { if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) { - u32 buffersize = 1UL << cfi_info->max_buf_write_size; + //adjust buffersize for chip width + u32 buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); u32 buffermask = buffersize-1; u32 bufferwsize; @@ -1959,6 +1965,8 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) LOG_ERROR("Unsupported chip width %d", bank->chip_width); return ERROR_FLASH_OPERATION_FAILED; } + + bufferwsize/=(bank->bus_width / bank->chip_width); /* fall back to memory writes */ while (count >= bank->bus_width) |