tcl/target/at91sama5d2.cfg: allow choice of SWD instead of JTAG

[openocd.git] / tcl / target / at91sama5d2.cfg

diff --git a/tcl/target/at91sama5d2.cfg b/tcl/target/at91sama5d2.cfg
index 65e5217e1edb5e101c0f5f040802d1734afa2a8a..30ddc92a9d866bf41ddad6821313228b9b6b7de8 100644 (file)
--- a/tcl/target/at91sama5d2.cfg
+++ b/tcl/target/at91sama5d2.cfg
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
+# SAMA5D2 devices support both JTAG and SWD transports.
+#
 # The JTAG connection is disabled at reset, and during the ROM Code execution.
 # It is re-enabled when the ROM code jumps in the boot file copied from an
 # external Flash memory into the internalSRAM, or when the ROM code launches
@@ -12,14 +14,28 @@
 # - if enabled, boundary Scan mode is activated. JTAG ID Code value is 0x05B3F03F.
 # - if disabled, ICE mode is activated. Debug Port JTAG IDCODE value is 0x5BA00477
 #
+
+source [find target/swj-dp.tcl]
+
+#jtag scan chain
+if { [info exists CPUTAPID] } {
+       set _CPUTAPID $CPUTAPID
+} else {
+       if { [using_jtag] } {
+               set _CPUTAPID 0x5ba00477
+       } else {
+               # SWD IDCODE (single drop, arm)
+               set _CPUTAPID 0x5ba02477
+       }
+}
+
 if { [info exists CHIPNAME] } {
        set  _CHIPNAME $CHIPNAME
 } else {
        set  _CHIPNAME at91sama5d2
 }
 
-jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x01 -irmask 0x0f \
-       -expected-id 0x5ba00477
+swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
 
 # Cortex-A5 target
 set _TARGETNAME $_CHIPNAME.cpu_a5