Lines Matching +full:erase +full:- +full:block +full:- +full:size

4 # SPDX-License-Identifier: Apache-2.0
23 	  Device does not do erase-on-write (erase-on-program, auto-erase
24 	  on write) and requires explicit erase procedure to be programmed
26 	  some other value, as program can only change bits from erased-value
28 	  All pure Flash devices are evolution of EEPROM where erase has
29 	  been separated from write, EEPROM has erase-on-write, giving
30 	  it advantage of higher write speeds at a cost of larger erase block.
31 	  Note that explicit-erase capability does not warrants that
32 	  write without erase is not allowed, taking the above restrictions,
34 	  erase.
35 	  Erase is usually performed in pages, as we have chosen to name
38 	  in size, depending how they are named by vendor.
42 	  optimized-out by compiler in case where there is no such device in
48 	  Device does not require explicit erase before programming
51 	  Note that the device may have erase-on-write (auto-erase),
52 	  as for example in EEPROM devices, but may also have no erase
54 	  A device driver may still provide erase callback,
55 	  especially if it is able to perform erase to accelerate
57 	  erase, with single value, faster than consecutive writes
58 	  that would be used to emulate erase.
62 	  such devices, and could be optimized-out by compiler in
79 	 Selected by drivers that support JESD216-compatible flash
104 	  write, read and erase.
109 	bool "Flash read/write/erase test commands"
113 	  read/write/erase tests with speed output.
116 	hex "Flash shell buffer size"
121 	  Size of the buffer used for flash commands, will determine the
122 	  maximum size that can be used with a read/write test.
127 	int "Buffer size of flash_fill function"
130 	  Size of a buffer used by flash_fill function to fill a device with
132 	  The buffer is needed as most devices have write-block alignment
133 	  requirements that which imposes minimal size of data, which can
137 	  Value selected here should be a multiple of the largest write-block-size
156 	  non-standard operations e.g. manipulating flash protection.
166 # zephyr-keep-sorted-start
206 # zephyr-keep-sorted-stop
209 module-str = flash