5 if { [info exists CHIPNAME] } {
6 set _CHIPNAME $CHIPNAME
11 if { [info exists ENDIAN] } {
17 if { [info exists CPUTAPID] } {
18 set _CPUTAPID $CPUTAPID
20 set _CPUTAPID 0x3f0f0f0f
23 #use combined on interfaces or targets that can't set TRST/SRST separately
24 #reset_config trst_and_srst srst_pulls_trst
25 reset_config trst_and_srst srst_pulls_trst
28 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0x0f -expected-id $_CPUTAPID
30 #jtag nTRST and nSRST delay
34 set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
35 target create $_TARGETNAME arm7tdmi -endian little -chain-position 0 -variant arm7tdmi
36 $_TARGETNAME configure -event reset-start { jtag_khz 10 }
37 $_TARGETNAME configure -event reset-init { jtag_khz 3000 }
38 $_TARGETNAME configure -event gdb-flash-erase-start {
39 flash protect 0 0 7 off
42 $_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0
44 #flash bank <driver> <base> <size> <chip_width> <bus_width>
45 flash bank str7x 0x20000000 0x00040000 0 0 0 STR3x