1 # Script for freescale DSP568013
3 if { [info exists CHIPNAME] } {
4 set _CHIPNAME $CHIPNAME
6 set _CHIPNAME dsp568013
9 if { [info exists ENDIAN] } {
12 # this defaults to a big endian
16 if { [info exists CPUTAPID ] } {
17 set _CPUTAPID $CPUTAPID
19 # force an error till we get a good number
20 set _CPUTAPID 0x01f2401d
26 reset_config srst_only
29 jtag newtap $_CHIPNAME chp -irlen 8 -ircapture 1 -irmask 0x03 -expected-id $_CPUTAPID
32 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 1 -irmask 0x03 -disable -expected-id 0x02211004
34 #target configuration - There is only 1 tap at a time, hence only 1 target is defined.
35 set _TARGETNAME $_CHIPNAME.cpu
36 target create $_TARGETNAME dsp5680xx -endian $_ENDIAN -chain-position $_TARGETNAME
38 # Setup the interesting tap
39 # Disable polling to be able to get idcode from core tap. If re enabled, can be re enabled, but it should be disabled to correctly unlock flash (operations requiere certain instruction to be in the IR register during reset, and polling would change this)
40 jtag configure $_CHIPNAME.chp -event setup "
41 jtag tapenable $_TARGETNAME
45 #select CORE tap by modifying the TLM register.
46 #to be used when MASTER tap is selected.
47 jtag configure $_TARGETNAME -event tap-enable "
48 irscan $_CHIPNAME.chp 0x05;
49 drscan $_CHIPNAME.chp 4 0x02;
50 jtag tapdisable $_CHIPNAME.chp;
53 #select MASTER tap by modifying the TLM register.
54 #to be used when CORE tap is selected.
55 jtag configure $_CHIPNAME.chp -event tap-enable "
56 irscan $_TARGETNAME 0x08;
57 drscan $_TARGETNAME 4 0x1;
58 jtag tapdisable $_TARGETNAME;
61 #disables the master tap
62 jtag configure $_TARGETNAME -event tap-disable "
64 #TODO FIND SMARTER WAY.
66 jtag configure $_CHIPNAME.chp -event tap-disable "
68 #TODO FIND SMARTER WAY.
71 #working area at base of ram
72 $_TARGETNAME configure -work-area-virt 0
75 set _FLASHNAME $_CHIPNAME.flash
76 flash bank $_FLASHNAME dsp5680xx_flash 0 0 2 1 $_TARGETNAME