tcl/target: Add Artery AT32F4x config

Tested with AT32F415CBT7 and AT32F421C8T7.

Change-Id: I453d34b130b6792100db5e7cc33d68a7e0edfb5c
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: https://review.openocd.org/c/openocd/+/8668
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>

tcl/target/artery/at32f4x.cfg

@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# Configuration file for Artery AT32F4x family.
+#
+# https://www.arterychip.com/en/product/
+#
+
+# AT32F4x devices support JTAG and SWD transport.
+source [find target/swj-dp.tcl]
+
+if { [info exists CHIPNAME] } {
+   set _CHIPNAME $CHIPNAME
+} else {
+   set _CHIPNAME at32f4x
+}
+
+# Work-area is a space in RAM used for flash programming, by default use 4 KiB.
+if { [info exists WORKAREASIZE] } {
+   set _WORKAREASIZE $WORKAREASIZE
+} else {
+   set _WORKAREASIZE 0x1000
+}
+
+if { [info exists CPUTAPID] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   if { [using_jtag] } {
+      set _CPUTAPID 0x4ba00477
+   } {
+      set _CPUTAPID 0x1ba01477
+   }
+}
+
+swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME cortex_m -endian little -dap $_CHIPNAME.dap
+
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE
+
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME artery 0x08000000 0 0 0 $_TARGETNAME
+
+adapter speed 1000
+
+if {![using_hla]} {
+    cortex_m reset_config sysresetreq
+}