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flash: EFM32 flash implementation

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Limited (no page unprotect, no block writes) implementation of EFM32
flash support. Verified with EFM32 development kit and STLink V2 adapter
using SWD.

Change-Id: I3db2054d9aa628a1fe4814430425db3c9959c71c
Signed-off-by: Roman D <me@iamroman.org>
Reviewed-on: http://openocd.zylin.com/1106
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Roman D
2013-01-10 12:31:45 +04:00
committed by Spencer Oliver
parent 76afadeb7b
commit 7ae9154846
6 changed files with 1147 additions and 3 deletions
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18
doc/openocd.texi
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@@ -155,13 +155,13 @@ OpenOCD internally. @xref{Debug Adapter Hardware}.
@b{GDB Debug:} It allows ARM7 (ARM7TDMI and ARM720t), ARM9 (ARM920T,
ARM922T, ARM926EJ--S, ARM966E--S), XScale (PXA25x, IXP42x) and
Cortex-M3 (Stellaris LM3 and ST STM32) based cores to be
Cortex-M3 (Stellaris LM3, ST STM32 and Energy Micro EFM32) based cores to be
debugged via the GDB protocol.
@b{Flash Programing:} Flash writing is supported for external CFI
compatible NOR flashes (Intel and AMD/Spansion command set) and several
internal flashes (LPC1700, LPC2000, AT91SAM7, AT91SAM3U, STR7x, STR9x, LM3, and
STM32x). Preliminary support for various NAND flash controllers
internal flashes (LPC1700, LPC2000, AT91SAM7, AT91SAM3U, STR7x, STR9x, LM3,
STM32x and EFM32). Preliminary support for various NAND flash controllers
(LPC3180, Orion, S3C24xx, more) controller is included.
@section OpenOCD Web Site
@@ -4980,6 +4980,18 @@ The AVR 8-bit microcontrollers from Atmel integrate flash memory.
@comment - defines mass_erase ... pointless given flash_erase_address
@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
a number of these chips using the chip identification register, and
autoconfigures itself.
@example
flash bank $_FLASHNAME efm32 0 0 0 0 $_TARGETNAME
@end example
@emph{The current implementation is incomplete. Unprotecting flash pages is not
supported.}
@end deffn
@deffn {Flash Driver} lpc2000
Most members of the LPC1700 and LPC2000 microcontroller families from NXP
include internal flash and use Cortex-M3 (LPC1700) or ARM7TDMI (LPC2000) cores.