diff options
Diffstat (limited to 'src/flash/nor/stellaris.c')
| -rw-r--r-- | src/flash/nor/stellaris.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/flash/nor/stellaris.c b/src/flash/nor/stellaris.c index 34649fca..4183cba8 100644 --- a/src/flash/nor/stellaris.c +++ b/src/flash/nor/stellaris.c @@ -553,6 +553,11 @@ static int stellaris_read_part_info(struct flash_bank *bank) stellaris_info->pagesize = 1024; stellaris_info->pages_in_lockregion = 2; + /* REVISIT for at least Tempest parts, read NVMSTAT.FWB too. + * That exposes a 32-word Flash Write Buffer ... enabling + * writes of more than one word at a time. + */ + return ERROR_OK; } @@ -640,6 +645,10 @@ static int stellaris_erase(struct flash_bank *bank, int first, int last) target_write_u32(target, FLASH_CIM, 0); target_write_u32(target, FLASH_MISC, PMISC | AMISC); + /* REVISIT this clobbers state set by any halted firmware ... + * it might want to process those IRQs. + */ + for (banknr = first; banknr <= last; banknr++) { /* Address is first word in page */ @@ -726,6 +735,10 @@ static int stellaris_protect(struct flash_bank *bank, int set, int first, int la target_write_u32(target, FLASH_CIM, 0); target_write_u32(target, FLASH_MISC, PMISC | AMISC); + /* REVISIT this clobbers state set by any halted firmware ... + * it might want to process those IRQs. + */ + LOG_DEBUG("fmppe 0x%" PRIx32 "",fmppe); target_write_u32(target, SCB_BASE | FMPPE, fmppe); @@ -921,6 +934,10 @@ static int stellaris_write(struct flash_bank *bank, uint8_t *buffer, uint32_t of target_write_u32(target, FLASH_CIM, 0); target_write_u32(target, FLASH_MISC, PMISC | AMISC); + /* REVISIT this clobbers state set by any halted firmware ... + * it might want to process those IRQs. + */ + /* multiple words to be programmed? */ if (words_remaining > 0) { @@ -1068,6 +1085,10 @@ static int stellaris_mass_erase(struct flash_bank *bank) target_write_u32(target, FLASH_CIM, 0); target_write_u32(target, FLASH_MISC, PMISC | AMISC); + /* REVISIT this clobbers state set by any halted firmware ... + * it might want to process those IRQs. + */ + target_write_u32(target, FLASH_FMA, 0); target_write_u32(target, FLASH_FMC, FMC_WRKEY | FMC_MERASE); /* Wait until erase complete */ |