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- # SPDX-License-Identifier: GPL-2.0-or-later
- # Config for Texas Instruments low power RF SoC CC2538
- # http://www.ti.com/lit/pdf/swru319
- adapter speed 100
- source [find target/icepick.cfg]
- source [find target/ti-cjtag.cfg]
- if { [info exists CHIPNAME] } {
- set _CHIPNAME $CHIPNAME
- } else {
- set _CHIPNAME cc2538
- }
- #
- # Main DAP
- #
- if { [info exists DAP_TAPID] } {
- set _DAP_TAPID $DAP_TAPID
- } else {
- set _DAP_TAPID 0x8B96402F
- }
- jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_DAP_TAPID -disable
- jtag configure $_CHIPNAME.cpu -event tap-enable "icepick_c_tapenable $_CHIPNAME.jrc 0"
- #
- # ICEpick-C (JTAG route controller)
- #
- if { [info exists JRC_TAPID] } {
- set _JRC_TAPID $JRC_TAPID
- } else {
- set _JRC_TAPID 0x8B96402F
- }
- jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f -expected-id $_JRC_TAPID -ignore-version
- # A start sequence is needed to change from cJTAG (Compact JTAG) to
- # 4-pin JTAG before talking via JTAG commands
- jtag configure $_CHIPNAME.jrc -event setup "jtag tapenable $_CHIPNAME.cpu"
- jtag configure $_CHIPNAME.jrc -event post-reset "ti_cjtag_to_4pin_jtag $_CHIPNAME.jrc"
- #
- # Cortex-M3 target
- #
- set _TARGETNAME $_CHIPNAME.cpu
- dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
- target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
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