From: Tomas Vanek <vanekt@fbl.cz>
Date: Sat, 10 Feb 2018 17:51:40 +0000 (+0100)
Subject: tcl/target: warn if a Kinetis MCU is connected to a high level adapter
X-Git-Tag: v0.11.0-rc1~1179
X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=commitdiff_plain;h=a0b76360b874607f2aa075e764891f129b5ff0f9

tcl/target: warn if a Kinetis MCU is connected to a high level adapter

Make sure the user is aware he can lock the device though unlock is not
possible without access to MDM-AP.

Change-Id: I92676530e95d19489c6739748a99c2895849f90f
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/4403
Tested-by: jenkins
---

diff --git a/tcl/target/klx.cfg b/tcl/target/klx.cfg
index 1a2ee6798e..b41dbf78e5 100644
--- a/tcl/target/klx.cfg
+++ b/tcl/target/klx.cfg
@@ -43,7 +43,19 @@ adapter_khz 1000
 
 reset_config srst_nogate
 
-if {![using_hla]} {
+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 ""
+   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 ""
+} {
    # Detect secured MCU or boot lock-up in RESET/WDOG loop
    $_CHIPNAME.cpu configure -event examine-start {
       kinetis mdm check_security
diff --git a/tcl/target/kx.cfg b/tcl/target/kx.cfg
index 7b0351706a..51703e69d1 100644
--- a/tcl/target/kx.cfg
+++ b/tcl/target/kx.cfg
@@ -44,7 +44,20 @@ adapter_khz 1000
 
 reset_config srst_nogate
 
-if {![using_hla]} {
+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 ""
+} {
    # Detect secured MCU or boot lock-up in RESET/WDOG loop
    $_CHIPNAME.cpu configure -event examine-start {
       kinetis mdm check_security