1 # SPDX-License-Identifier: GPL-2.0-or-later
3 # Config for Texas Instruments low power RF SoC CC2538
4 # http://www.ti.com/lit/pdf/swru319
8 source [find target/icepick.cfg]
9 source [find target/ti-cjtag.cfg]
11 if { [info exists CHIPNAME] } {
12 set _CHIPNAME $CHIPNAME
20 if { [info exists DAP_TAPID] } {
21 set _DAP_TAPID $DAP_TAPID
23 set _DAP_TAPID 0x8B96402F
25 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_DAP_TAPID -disable
26 jtag configure $_CHIPNAME.cpu -event tap-enable "icepick_c_tapenable $_CHIPNAME.jrc 0"
29 # ICEpick-C (JTAG route controller)
31 if { [info exists JRC_TAPID] } {
32 set _JRC_TAPID $JRC_TAPID
34 set _JRC_TAPID 0x8B96402F
36 jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f -expected-id $_JRC_TAPID -ignore-version
37 # A start sequence is needed to change from cJTAG (Compact JTAG) to
38 # 4-pin JTAG before talking via JTAG commands
39 jtag configure $_CHIPNAME.jrc -event setup "jtag tapenable $_CHIPNAME.cpu"
40 jtag configure $_CHIPNAME.jrc -event post-reset "ti_cjtag_to_4pin_jtag $_CHIPNAME.jrc"
45 set _TARGETNAME $_CHIPNAME.cpu
46 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
47 target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap