flash/nor/kinetis: add support for NXP S32K series

S32K General-Purpose Microcontrollers

Scalable, low-power Arm® Cortex®-M series-based microcontrollers AEC-Q100
qualified with advanced safety and security and software support for
industrial and automotive ASIL B/D applications in body, zone control,
and electrification.

Change-Id: I4143258535437c18b81802436267bfd561de9d31
Signed-off-by: David Vidrie Leon <davidvidrie@geotab.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/8012
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Tested-by: jenkins

1 files changed, 79 insertions, 0 deletions

diff --git a/tcl/target/s32k.cfg b/tcl/target/s32k.cfg
new file mode 100644
index 0000000..3ff3239
--- /dev/null
+++ b/tcl/target/s32k.cfg
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# Freescale S32K devices
+# Similar to Kinetis Kx series devices.
+#
+
+source [find target/swj-dp.tcl]
+
+if { [info exists CHIPNAME] } {
+    set _CHIPNAME $CHIPNAME
+} else {
+    set _CHIPNAME s32k
+}
+
+# Work-area is a space in RAM used for flash programming
+# By default use 4kB
+if { [info exists WORKAREASIZE] } {
+   set _WORKAREASIZE $WORKAREASIZE
+} else {
+   set _WORKAREASIZE 0x1000
+}
+
+if { [info exists CPUTAPID] } {
+    set _CPUTAPID $CPUTAPID
+} else {
+    set _CPUTAPID 0x0995001d
+}
+
+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 -dap $_CHIPNAME.dap
+
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+
+set _FLASHNAME $_CHIPNAME.pflash
+flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME -s32k
+kinetis create_banks
+
+adapter speed 1000
+
+reset_config srst_nogate
+
+if {[using_hla]} {
+   echo ""
+   echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
+   echo " Kinetis MCUs have a MDM-AP dedicated mainly to MCU security related functions."
+   echo " A high level adapter (like a ST-Link) you are currently using cannot access"
+   echo " the MDM-AP, so commands like 'mdm mass_erase' are not available in your"
+   echo " configuration. Also security locked state of the device will not be reported."
+   echo " Expect problems connecting to a blank device without boot ROM."
+   echo ""
+   echo " Be very careful as you can lock the device though there is no way to unlock"
+   echo " it without mass erase. Don't set write protection on the first block."
+   echo "!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!"
+   echo ""
+} else {
+   # Detect secured MCU or boot lock-up in RESET/WDOG loop
+   $_TARGETNAME configure -event examine-fail {
+      kinetis mdm check_security
+   }
+   # During RESET/WDOG loop the target is sometimes falsely examined
+   $_TARGETNAME configure -event examine-end {
+      kinetis mdm check_security
+   }
+
+   # if srst is not fitted use SYSRESETREQ to
+   # perform a soft reset
+   cortex_m reset_config sysresetreq
+}
+
+# Disable watchdog not to disturb OpenOCD algorithms running on MCU
+# (e.g. armv7m_checksum_memory() in verify_image)
+# Flash driver also disables watchdog before FTFA flash programming.
+$_TARGETNAME configure -event reset-init {
+   kinetis disable_wdog
+}