1 files changed, 146 insertions, 0 deletions
diff --git a/tcl/target/nrf53.cfg b/tcl/target/nrf53.cfg
new file mode 100644
index 0000000..307df90
--- /dev/null
+++ b/tcl/target/nrf53.cfg
@@ -0,0 +1,146 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# Nordic nRF53 series: dual ARM Cortex-M33, multidrop SWD
+#
+
+source [find target/swj-dp.tcl]
+source [find mem_helper.tcl]
+
+if { [info exists CHIPNAME] } {
+	set _CHIPNAME $CHIPNAME
+} else {
+	set _CHIPNAME nrf53
+}
+
+# Work-area is a space in RAM used for flash programming
+# By default use 16kB
+if { [info exists WORKAREASIZE] } {
+   set _WORKAREASIZE $WORKAREASIZE
+} else {
+   set _WORKAREASIZE 0x4000
+}
+
+if { [info exists CPUTAPID] } {
+	set _CPUTAPID $CPUTAPID
+} else {
+	set _CPUTAPID 0x6ba02477
+}
+
+# Configurable instance ID resides in application UICR TINSTANCE
+if { [info exists SWD_INSTANCE_ID] } {
+	set _SWD_INSTANCE_ID $SWD_INSTANCE_ID
+} else {
+	set _SWD_INSTANCE_ID 0
+}
+
+swj_newdap $_CHIPNAME cpu -expected-id $_CPUTAPID
+
+if { [info exists SWD_MULTIDROP] } {
+	dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu -dp-id 0x0070289 -instance-id $_SWD_INSTANCE_ID
+} else {
+	dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
+}
+
+set _TARGETNAME_APP $_CHIPNAME.cpuapp
+target create $_TARGETNAME_APP cortex_m -dap $_CHIPNAME.dap
+
+$_TARGETNAME_APP configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+
+# The network core is not accessible over HLA
+if { ![using_hla] } {
+	set _TARGETNAME_NET $_CHIPNAME.cpunet
+	target create $_TARGETNAME_NET cortex_m -dap $_CHIPNAME.dap -ap-num 1 -defer-examine
+
+	targets $_TARGETNAME_APP
+
+	$_TARGETNAME_NET configure -work-area-phys 0x21000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+}
+
+# Keep adapter speed less or equal 2000 kHz or flash programming fails!
+adapter speed 1000
+
+source [find target/nrf_common.cfg]
+
+flash bank $_CHIPNAME.app.flash nrf5 0x00000000 0 0 0 $_TARGETNAME_APP
+flash bank $_CHIPNAME.app.uicr nrf5 0x00FF8000 0 0 0 $_TARGETNAME_APP
+
+if { ![using_hla] } {
+
+	flash bank $_CHIPNAME.net.flash nrf5 0x01000000 0 0 0 $_TARGETNAME_NET
+	flash bank $_CHIPNAME.net.uicr nrf5 0x01FF8000 0 0 0 $_TARGETNAME_NET
+
+	# System reset sets NETWORK.FORCEOFF which keeps the network core in reset
+	# Don't touch network core during reset
+	$_TARGETNAME_NET configure -event reset-assert {}
+	# and start it after application core reset is finished to make all flash accessible
+	$_TARGETNAME_APP configure -event reset-init "nrf53_cpunet_release $_CHIPNAME"
+
+	$_TARGETNAME_APP cortex_m reset_config sysresetreq
+	$_TARGETNAME_NET cortex_m reset_config sysresetreq
+
+	$_TARGETNAME_APP configure -event examine-fail { _nrf_check_ap_lock 2 3 }
+	$_TARGETNAME_NET configure -event examine-fail { _nrf_check_ap_lock 3 3 }
+
+	$_TARGETNAME_NET configure -event gdb-attach "_nrf53_cpunet_gdb_attach $_CHIPNAME"
+
+	proc _nrf53_cpunet_gdb_attach { _CHIPNAME } {
+		set _TARGETNAME_APP $_CHIPNAME.cpuapp
+		set _TARGETNAME_NET $_CHIPNAME.cpunet
+		set RESET_NETWORK_FORCEOFF 0x50005614
+
+		set is_off [$_TARGETNAME_APP read_memory $RESET_NETWORK_FORCEOFF 32 1]
+		if { $is_off } {
+			nrf53_cpunet_release $_CHIPNAME
+			$_TARGETNAME_NET arp_poll
+			$_TARGETNAME_NET arp_waitstate halted 100
+		} else {
+			if { ![$_TARGETNAME_NET was_examined] } {
+				$_TARGETNAME_NET arp_examine
+				$_TARGETNAME_NET arp_poll
+			}
+			set s [$_TARGETNAME_NET curstate]
+			if { ![string compare $s "halted"] } {
+				halt
+			}
+		}
+	}
+	lappend _telnet_autocomplete_skip _nrf53_cpunet_gdb_attach
+
+	# Release the network core
+	proc nrf53_cpunet_release { {_CHIPNAME nrf53} } {
+		set _TARGETNAME_APP $_CHIPNAME.cpuapp
+		set _TARGETNAME_NET $_CHIPNAME.cpunet
+		set RESET_NETWORK_FORCEOFF 0x50005614
+		set RESET_NETWORK_WORKAROUND 0x50005618
+		set CORTEX_M_DCB_DEMCR 0xE000EDFC
+
+		$_TARGETNAME_APP mww $RESET_NETWORK_WORKAROUND 1
+		$_TARGETNAME_APP mww $RESET_NETWORK_FORCEOFF 0
+		$_TARGETNAME_APP mww $RESET_NETWORK_FORCEOFF 1
+		set err [catch {$_TARGETNAME_NET arp_examine}]
+		if { $err } {
+			if { ![_nrf_check_ap_lock 3 3] } {
+				echo "Error: \[$_TARGETNAME_NET\] examination failed"
+			}
+			return
+		}
+		# set TRCENA | VC_HARDERR | VC_BUSERR | VC_CORERESET
+		$_TARGETNAME_NET mww $CORTEX_M_DCB_DEMCR 0x01000501
+		# Write DEMCR directly intead of permanetly setting by cortex_m vector_catch reset
+		# following cortex_m_endreset_event() restores the original DEMCR value
+		$_TARGETNAME_APP mww $RESET_NETWORK_FORCEOFF 0
+		$_TARGETNAME_APP mww $RESET_NETWORK_WORKAROUND 0
+	}
+
+	# Mass erase and unlock the device using proprietary nRF CTRL-AP (AP #2 or #3)
+	proc nrf53_cpuapp_recover {} {
+		_nrf_ctrl_ap_recover 2
+	}
+	add_help_text nrf53_cpuapp_recover "Mass erase flash and unlock nRF53 application CPU"
+
+	proc nrf53_recover {} {
+		_nrf_ctrl_ap_recover 3 1
+	}
+	add_help_text nrf53_recover "Mass erase all device flash and unlock nRF53"
+}