2 # Silicon Labs (formerly Energy Micro) EFM32 target
4 # Note: All EFM32 chips have SWD support, but only newer series 1
5 # chips have JTAG support.
8 source [find target/swj-dp.tcl]
10 if { [info exists CHIPNAME] } {
11 set _CHIPNAME $CHIPNAME
16 # Work-area is a space in RAM used for flash programming
18 if { [info exists WORKAREASIZE] } {
19 set _WORKAREASIZE $WORKAREASIZE
21 set _WORKAREASIZE 0x800
24 if { [info exists CPUTAPID] } {
25 set _CPUTAPID $CPUTAPID
28 set _CPUTAPID 0x4ba00477
30 set _CPUTAPID 0x2ba01477
34 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
38 set _TARGETNAME $_CHIPNAME.cpu
39 target create $_TARGETNAME cortex_m -chain-position $_TARGETNAME
41 $_TARGETNAME configure -work-area-phys 0x10000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
43 set _FLASHNAME $_CHIPNAME.flash
44 flash bank $_FLASHNAME efm32 0 0 0 0 $_TARGETNAME
47 # if srst is not fitted use SYSRESETREQ to
48 # perform a soft reset
49 cortex_m reset_config sysresetreq