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stm32: fix unprotect 

the unprotect fn in stm32 needs to unprotect more sectors
than was requested aligned to some boundary.

Print warning when this happens.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe 2010-12-14 09:26:08 +01:00
parent 39dbb516a4
commit 969b1e66dd
1 changed files with 11 additions and 4 deletions
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15
src/flash/nor/stm32x.c
View File

@ -487,12 +487,19 @@ static int stm32x_protect(struct flash_bank *bank, int set, int first, int last)
return ERROR_TARGET_NOT_HALTED; return ERROR_TARGET_NOT_HALTED;
} }
if ((first && (first % stm32x_info->ppage_size)) || ((last + 1) && if ((first % stm32x_info->ppage_size) != 0)
(last + 1) % stm32x_info->ppage_size))
{ {
LOG_WARNING("Error: start and end sectors must be on a %d sector boundary", LOG_WARNING("aligned start protect sector to a %d sector boundary",
stm32x_info->ppage_size); stm32x_info->ppage_size);
return ERROR_FLASH_SECTOR_INVALID; first = first - (first % stm32x_info->ppage_size);
}
if (((last + 1) % stm32x_info->ppage_size) != 0)
{
LOG_WARNING("aligned end protect sector to a %d sector boundary",
stm32x_info->ppage_size);
last++;
last = last - (last % stm32x_info->ppage_size);
last--;
} }
/* medium density - each bit refers to a 4bank protection /* medium density - each bit refers to a 4bank protection