1 # SPDX-License-Identifier: GPL-2.0-or-later
3 # Script for freescale DSP568037
5 if { [info exists CHIPNAME] } {
6 set _CHIPNAME $CHIPNAME
8 set _CHIPNAME dsp568037
11 if { [info exists ENDIAN] } {
14 # this defaults to a big endian
18 if { [info exists CPUTAPID] } {
19 set _CPUTAPID $CPUTAPID
21 set _CPUTAPID 0x01f2801d
27 reset_config srst_only
30 jtag newtap $_CHIPNAME chp -irlen 8 -ircapture 1 -irmask 0x03 -expected-id $_CPUTAPID
33 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 1 -irmask 0x03 -disable -expected-id 0x02211004
35 #target configuration - There is only 1 tap at a time, hence only 1 target is defined.
36 set _TARGETNAME $_CHIPNAME.cpu
37 target create $_TARGETNAME dsp5680xx -endian $_ENDIAN -chain-position $_TARGETNAME
39 # Setup the interesting tap
40 jtag configure $_CHIPNAME.chp -event setup "jtag tapenable $_TARGETNAME"
42 #select CORE tap by modifying the TLM register.
43 #to be used when MASTER tap is selected.
44 jtag configure $_TARGETNAME -event tap-enable "
45 irscan $_CHIPNAME.chp 0x05;
46 drscan $_CHIPNAME.chp 4 0x02;
47 jtag tapdisable $_CHIPNAME.chp;
50 #select MASTER tap by modifying the TLM register.
51 #to be used when CORE tap is selected.
52 jtag configure $_CHIPNAME.chp -event tap-enable "
53 irscan $_TARGETNAME 0x08;
54 drscan $_TARGETNAME 4 0x1;
55 jtag tapdisable $_TARGETNAME;
58 #disables the master tap
59 jtag configure $_TARGETNAME -event tap-disable "
61 #TODO FIND SMARTER WAY.
63 jtag configure $_CHIPNAME.chp -event tap-disable "
65 #TODO FIND SMARTER WAY.
68 #working area at base of ram
69 $_TARGETNAME configure -work-area-virt 0
72 set _FLASHNAME $_CHIPNAME.flash
73 flash bank $_FLASHNAME dsp5680xx_flash 0 0 2 1 $_TARGETNAME