Randall Spangler
49799b8278
stm32l: Fix flash_is_erased() detection
...
STM32L erases flash to 0, not 1, so we need a config value to indicate
that. This speeds up flash erase on STM32L by not re-erasing
already-erased blocks.
BUG=chrome-os-partner:13066
BRANCH=none
TEST=manual - hack flash_physical_erase() to print something just after
flash_is_erased() check.
1. flasherase 0x1f800 0x800
2. flashwrite 0x1fa00 0x100
3. flasherase 0x1f800 0x800 -> only re-erases 0x1fa00
Change-Id: I4d726caf0605e7815b9360bb2d44bdfdd757b4a2
Signed-off-by: Randall Spangler <rspangler@chromium.org >
Reviewed-on: https://gerrit.chromium.org/gerrit/61110
Reviewed-by: Bill Richardson <wfrichar@chromium.org >
2013-07-08 13:53:59 -07:00
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