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flash: stm32lx fallback to slow memory writes when no working area 

The current stm32lx driver will fail if no working area is
provided - fallback to using slow writes if this is the case.

Change-Id: I92b1535fec4aebc855c63ce2c54b10f168f3c07e
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1007
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
This commit is contained in:
Spencer Oliver 2012-12-07 11:08:33 +00:00 committed by Andreas Fritiofson
parent 80649fc3d5
commit 9b045f62f4
1 changed files with 10 additions and 4 deletions
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14
src/flash/nor/stm32lx.c
View File

@ -399,10 +399,16 @@ static int stm32lx_write(struct flash_bank *bank, uint8_t *buffer,
}
if (halfpages_number) {
retval = stm32lx_write_half_pages(bank, buffer, offset, 128
* halfpages_number);
if (retval != ERROR_OK)
return ERROR_FAIL;
retval = stm32lx_write_half_pages(bank, buffer, offset, 128 * halfpages_number);
if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) {
/* attempt slow memory writes */
LOG_WARNING("couldn't use block writes, falling back to single memory accesses");
halfpages_number = 0;
words_remaining = (count / 4);
} else {
if (retval != ERROR_OK)
return ERROR_FAIL;
}
}
bytes_written = 128 * halfpages_number;