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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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some chips unprotect more than the range asked for. The
protect fn, must unprotect/protect minimally the range given.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Final target is to force bus_width size during CFI flash
read.
In this first step I need to replace default flash read
with flash specific implementation.
This patch introduces:
- flash_driver_read() layer;
- default_flash_read(), backward compatible;
- read() callback in struct flash_driver;
- proper initialization in every flash_driver instance.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
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Either bus_width and chip_width are in bytes.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
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Move the bulk of the flash.h file into flash/nor/core.h, leaving an
empty husk that will be removed in the next patch.
The NOR driver structure is an implementation detail, so move it into
its own private header file <flash/nor/driver.h> along with helper
declaration for finding them by name.
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