1 # SPDX-License-Identifier: GPL-2.0-or-later
5 if { [info exists CHIPNAME] } {
6 set _CHIPNAME $CHIPNAME
11 if { [info exists ENDIAN] } {
17 # jtag speed. We need to stick to 16kHz until we've finished reset.
20 adapter srst delay 100
23 #use combined on interfaces or targets that can't set TRST/SRST separately
24 reset_config trst_and_srst
26 if { [info exists FLASHTAPID] } {
27 set _FLASHTAPID $FLASHTAPID
29 set _FLASHTAPID 0x04570041
31 jtag newtap $_CHIPNAME flash -irlen 8 -ircapture 0x1 -irmask 0x1 -expected-id $_FLASHTAPID
33 if { [info exists CPUTAPID] } {
34 set _CPUTAPID $CPUTAPID
36 set _CPUTAPID 0x25966041
38 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
41 if { [info exists BSTAPID] } {
44 # possible values: 0x1457f041, 0x2457f041
45 # we ignore version in check below
46 set _BSTAPID 0x1457f041
48 jtag newtap $_CHIPNAME bs -irlen 5 -ircapture 0x1 -irmask 0x1 -expected-id $_BSTAPID -ignore-version
50 set _TARGETNAME $_CHIPNAME.cpu
51 target create $_TARGETNAME arm966e -endian $_ENDIAN -chain-position $_TARGETNAME
53 $_TARGETNAME configure -event reset-start { adapter speed 16 }
55 $_TARGETNAME configure -event reset-init {
56 # We can increase speed now that we know the target is halted.
60 # PFQBC enabled / DTCM & AHB wait-states disabled
63 str9x flash_config 0 4 2 0 0x80000
64 flash protect 0 0 7 off
67 $_TARGETNAME configure -work-area-phys 0x50000000 -work-area-size 16384 -work-area-backup 0
69 #flash bank str9x <base> <size> 0 0 <target#> <variant>
70 set _FLASHNAME $_CHIPNAME.flash0
71 flash bank $_FLASHNAME str9x 0x00000000 0x00080000 0 0 $_TARGETNAME
72 set _FLASHNAME $_CHIPNAME.flash1
73 flash bank $_FLASHNAME str9x 0x00080000 0x00008000 0 0 $_TARGETNAME