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flash/nor: Add support for TI CC3220SF internal flash

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Added cc3220sf flash driver to support the TI CC3220SF
microcontrollers. Implemented flash driver to support the
internal flash of the CC3220SF. The implementation does not
support the serial flash of the CC32xx family that requires
connection over UART, and not via JTAG/SWD debug. Added config
files for both CC32xx devices (no flash) and CC3220SF (with
flash).

Updated to implement comments from code review.
Additional updates to handle remaining comments from review.
Additional updates per review.

Added code to only request aligned writes and full 32-bit
words down to flash helper algorithm. Updated for recent
changes in OpenOCD flash code.

Removed cc32xx.cfg file made obsolete by this patch.
Change-Id: I58fc1478d07238d39c7ef02339f1097a91668c47
Signed-off-by: Edward Fewell <efewell@ti.com>
Reviewed-on: http://openocd.zylin.com/4319
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
This commit is contained in:
Edward Fewell
2017-12-28 17:38:21 -06:00
committed by Tomas Vanek
parent a077715b71
commit d02de3a8a9
13 changed files with 804 additions and 54 deletions
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14
doc/openocd.texi
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@@ -5578,6 +5578,20 @@ Triggering a mass erase is also useful when users want to disable readout protec
@end deffn
@deffn {Flash Driver} cc3220sf
The CC3220SF version of the SimpleLink CC32xx microcontrollers from Texas
Instruments includes 1MB of internal flash. The cc3220sf flash driver only
supports the internal flash. The serial flash on SimpleLink boards is
programmed via the bootloader over a UART connection. Security features of
the CC3220SF may erase the internal flash during power on reset. Refer to
documentation at @url{www.ti.com/cc3220sf} for details on security features
and programming the serial flash.
@example
flash bank $_FLASHNAME cc3220sf 0 0 0 0 $_TARGETNAME
@end example
@end deffn
@deffn {Flash Driver} efm32
All members of the EFM32 microcontroller family from Energy Micro include
internal flash and use ARM Cortex-M3 cores. The driver automatically recognizes