flash: EFM32 flash implementation

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

View File

@@ -0,0 +1,38 @@
#
# efm32 stlink pseudo target
#
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME efm32
}
# Work-area is a space in RAM used for flash programming
# By default use 16kB
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
set _WORKAREASIZE 0x4000
}
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0x2ba01477
}
# EFM32 MCUs only support SW interface
set _TRANSPORT hla_swd
transport select $_TRANSPORT
hla newtap $_CHIPNAME cpu -expected-id $_CPUTAPID
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME hla_target -chain-position $_TARGETNAME
$_TARGETNAME configure -work-area-phys 0x10000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME efm32 0 0 0 0 $_TARGETNAME