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str9x.c: remove optimization when erasing the whole bank 

Using the erase bank command will cause a time out error. Replacing
this with the erase sector bank will provide a slower but safer and
stable method to erase the flash.

Signed-off-by: Laurentiu Cocanu <laurentiu.cocanu@zylin.com>
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Laurentiu Cocanu 2010-01-14 13:59:36 +01:00 committed by Øyvind Harboe
parent e1679a29f0
commit 24653c950a
1 changed files with 3 additions and 15 deletions
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18
src/flash/nor/str9x.c
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@ -230,17 +230,9 @@ static int str9x_erase(struct flash_bank *bank, int first, int last)
return ERROR_TARGET_NOT_HALTED;
}
/* Check if we erase whole bank */
if ((first == 0) && (last == (bank->num_sectors - 1)))
{
/* Optimize to run erase bank command instead of sector */
erase_cmd = 0x80;
}
else
{
/* Erase sector command */
erase_cmd = 0x20;
}
/*A slower but stable way of erasing*/
/* Erase sector command */
erase_cmd = 0x20;
for (i = first; i <= last; i++)
{
@ -296,10 +288,6 @@ static int str9x_erase(struct flash_bank *bank, int first, int last)
LOG_ERROR("error erasing flash bank, status: 0x%x", status);
return ERROR_FLASH_OPERATION_FAILED;
}
/* If we ran erase bank command, we are finished */
if (erase_cmd == 0x80)
break;
}
for (i = first; i <= last; i++)