target: restructure dap support

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

diff --git a/tcl/target/kx.cfg b/tcl/target/kx.cfg
index 93b2b58106497b349795d78ea35aba8526278235..73ee62a79792b25e7c5f021b89f43902f5da7613 100644 (file)
--- a/tcl/target/kx.cfg
+++ b/tcl/target/kx.cfg
@@ -1,5 +1,6 @@
 #
-# Freescale Kinetis Kx series devices
+# NXP (former Freescale) Kinetis Kx series devices
+# Also used for Cortex-M4 equipped members of KVx and KE1xF series
 #
 
 source [find target/swj-dp.tcl]
@@ -10,10 +11,12 @@ if { [info exists CHIPNAME] } {
     set _CHIPNAME kx
 }
 
-if { [info exists ENDIAN] } {
-    set _ENDIAN $ENDIAN
+# Work-area is a space in RAM used for flash programming
+# By default use 4kB
+if { [info exists WORKAREASIZE] } {
+   set _WORKAREASIZE $WORKAREASIZE
 } else {
-    set _ENDIAN little
+   set _WORKAREASIZE 0x1000
 }
 
 if { [info exists CPUTAPID] } {
@@ -26,16 +29,50 @@ if { [info exists CPUTAPID] } {
    }
 }
 
+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
 
-swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
 
-target create $_TARGETNAME cortex_m -chain-position $_CHIPNAME.cpu
+set _FLASHNAME $_CHIPNAME.pflash
+flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
+kinetis create_banks
+
+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
+   $_CHIPNAME.cpu configure -event examine-start {
+      kinetis mdm check_security
+   }
+
    # if srst is not fitted use SYSRESETREQ to
    # perform a soft reset
    cortex_m reset_config sysresetreq
 }
+
+# Disable watchdog not to disturb OpenOCD algorithms running on MCU
+# (e.g. armv7m_checksum_memory() in verify_image)
+# Flash driver also disables watchdog before FTFA flash programming.
+$_TARGETNAME configure -event reset-init {
+   kinetis disable_wdog
+}
+