diff options
Diffstat (limited to 'src/flash/nor/cfi.c')
| -rw-r--r-- | src/flash/nor/cfi.c | 48 |
1 files changed, 22 insertions, 26 deletions
diff --git a/src/flash/nor/cfi.c b/src/flash/nor/cfi.c index 04fa83b..34f200b 100644 --- a/src/flash/nor/cfi.c +++ b/src/flash/nor/cfi.c @@ -898,6 +898,23 @@ static int cfi_intel_erase(struct flash_bank *bank, int first, int last) return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } +static int cfi_spansion_unlock_seq(struct flash_bank *bank) +{ + int retval; + struct cfi_flash_bank *cfi_info = bank->driver_priv; + struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; + + retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1)); + if (retval != ERROR_OK) + return retval; + + retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2)); + if (retval != ERROR_OK) + return retval; + + return ERROR_OK; +} + static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) { int retval; @@ -906,11 +923,7 @@ static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) int i; for (i = first; i <= last; i++) { - retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1)); - if (retval != ERROR_OK) - return retval; - - retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2)); + retval = cfi_spansion_unlock_seq(bank); if (retval != ERROR_OK) return retval; @@ -918,11 +931,7 @@ static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) if (retval != ERROR_OK) return retval; - retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1)); - if (retval != ERROR_OK) - return retval; - - retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2)); + retval = cfi_spansion_unlock_seq(bank); if (retval != ERROR_OK) return retval; @@ -2102,11 +2111,7 @@ static int cfi_spansion_write_word(struct flash_bank *bank, uint8_t *word, uint3 struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; struct target *target = bank->target; - retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1)); - if (retval != ERROR_OK) - return retval; - - retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2)); + retval = cfi_spansion_unlock_seq(bank); if (retval != ERROR_OK) return retval; @@ -2137,7 +2142,6 @@ static int cfi_spansion_write_words(struct flash_bank *bank, const uint8_t *word int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct target *target = bank->target; - 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) @@ -2163,11 +2167,7 @@ static int cfi_spansion_write_words(struct flash_bank *bank, const uint8_t *word } /* Unlock */ - retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1)); - if (retval != ERROR_OK) - return retval; - - retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2)); + retval = cfi_spansion_unlock_seq(bank); if (retval != ERROR_OK) return retval; @@ -2958,11 +2958,7 @@ static int cfi_spansion_protect_check(struct flash_bank *bank) struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; int i; - retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1)); - if (retval != ERROR_OK) - return retval; - - retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2)); + retval = cfi_spansion_unlock_seq(bank); if (retval != ERROR_OK) return retval; |