1 source [find target/icepick.cfg]
3 if { [info exists CHIPNAME] } {
4 set _CHIPNAME $CHIPNAME
9 # set the taps to be enabled by default. this can be overridden
10 # by setting DEFAULT_TAPS in a separate configuration file
11 # or directly on the command line.
12 if { [info exists DEFAULT_TAPS] } {
13 set _DEFAULT_TAPS "$DEFAULT_TAPS"
15 set _DEFAULT_TAPS "$_CHIPNAME.dap"
21 if { [info exists DAP_TAPID] } {
22 set _DAP_TAPID $DAP_TAPID
24 set _DAP_TAPID 0x4b6b902f
26 jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_DAP_TAPID -disable
27 jtag configure $_CHIPNAME.dap -event tap-enable "icepick_d_tapenable $_CHIPNAME.jrc 12 0"
32 if { [info exists M3_DAP_TAPID] } {
33 set _M3_DAP_TAPID $M3_DAP_TAPID
35 set _M3_DAP_TAPID 0x4b6b902f
37 jtag newtap $_CHIPNAME m3_dap -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_M3_DAP_TAPID -disable
38 jtag configure $_CHIPNAME.m3_dap -event tap-enable "icepick_d_tapenable $_CHIPNAME.jrc 11 0"
41 # ICEpick-D (JTAG route controller)
43 if { [info exists JRC_TAPID] } {
44 set _JRC_TAPID $JRC_TAPID
46 set _JRC_TAPID 0x0b94402f
48 jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f -expected-id $_JRC_TAPID -ignore-version
49 jtag configure $_CHIPNAME.jrc -event setup {
51 enable_default_taps $_DEFAULT_TAPS
53 # some TCK tycles are required to activate the DEBUG power domain
54 jtag configure $_CHIPNAME.jrc -event post-reset "runtest 100"
57 # helper function that enables all taps passed as argument
59 proc enable_default_taps { taps } {
68 set _TARGETNAME_2 $_CHIPNAME.m3
69 target create $_TARGETNAME_2 cortex_m -chain-position $_CHIPNAME.m3_dap
74 set _TARGETNAME $_CHIPNAME.cpu
75 target create $_TARGETNAME cortex_a -chain-position $_CHIPNAME.dap -dbgbase 0x80001000
77 # SRAM: 64K at 0x4030.0000; use the first 16K
78 $_TARGETNAME configure -work-area-phys 0x40300000 -work-area-size 0x4000
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