diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/flash/nor/cfi.c | 49 |
1 files changed, 10 insertions, 39 deletions
diff --git a/src/flash/nor/cfi.c b/src/flash/nor/cfi.c index ba2d9095..f2ea947a 100644 --- a/src/flash/nor/cfi.c +++ b/src/flash/nor/cfi.c @@ -1604,9 +1604,11 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ struct target *target = bank->target; /* Calculate buffer size and boundary mask */ + /* buffersize is (buffer size per chip) * (number of chips) */ + /* bufferwsize is buffersize in words */ uint32_t buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); uint32_t buffermask = buffersize-1; - uint32_t bufferwsize; + uint32_t bufferwsize = buffersize / bank->bus_width; /* Check for valid range */ if (address & buffermask) @@ -1615,18 +1617,6 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ bank->base, address, cfi_info->max_buf_write_size); return ERROR_FLASH_OPERATION_FAILED; } - switch (bank->chip_width) - { - case 4 : bufferwsize = buffersize / 4; break; - case 2 : bufferwsize = buffersize / 2; break; - case 1 : bufferwsize = buffersize; break; - default: - LOG_ERROR("Unsupported chip width %d", bank->chip_width); - return ERROR_FLASH_OPERATION_FAILED; - } - - bufferwsize/=(bank->bus_width / bank->chip_width); - /* Check for valid size */ if (wordcount > bufferwsize) @@ -1733,9 +1723,11 @@ static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; /* Calculate buffer size and boundary mask */ + /* buffersize is (buffer size per chip) * (number of chips) */ + /* bufferwsize is buffersize in words */ uint32_t buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); uint32_t buffermask = buffersize-1; - uint32_t bufferwsize; + uint32_t bufferwsize = buffersize / bank->bus_width; /* Check for valid range */ if (address & buffermask) @@ -1743,17 +1735,6 @@ static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint LOG_ERROR("Write address at base 0x%" PRIx32 ", address %" PRIx32 " not aligned to 2^%d boundary", bank->base, address, cfi_info->max_buf_write_size); return ERROR_FLASH_OPERATION_FAILED; } - switch (bank->chip_width) - { - case 4 : bufferwsize = buffersize / 4; break; - case 2 : bufferwsize = buffersize / 2; break; - case 1 : bufferwsize = buffersize; break; - default: - LOG_ERROR("Unsupported chip width %d", bank->chip_width); - return ERROR_FLASH_OPERATION_FAILED; - } - - bufferwsize/=(bank->bus_width / bank->chip_width); /* Check for valid size */ if (wordcount > bufferwsize) @@ -1950,22 +1931,12 @@ static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, { if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) { - //adjust buffersize for chip width + /* Calculate buffer size and boundary mask */ + /* buffersize is (buffer size per chip) * (number of chips) */ + /* bufferwsize is buffersize in words */ uint32_t buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); uint32_t buffermask = buffersize-1; - uint32_t bufferwsize; - - switch (bank->chip_width) - { - case 4 : bufferwsize = buffersize / 4; break; - case 2 : bufferwsize = buffersize / 2; break; - case 1 : bufferwsize = buffersize; break; - default: - LOG_ERROR("Unsupported chip width %d", bank->chip_width); - return ERROR_FLASH_OPERATION_FAILED; - } - - bufferwsize/=(bank->bus_width / bank->chip_width); + uint32_t bufferwsize = buffersize / bank->bus_width; /* fall back to memory writes */ while (count >= (uint32_t)bank->bus_width) |