1 files changed, 45 insertions, 0 deletions
diff --git a/tcl/target/at91sam4XXX.cfg b/tcl/target/at91sam4XXX.cfg
new file mode 100644
index 00000000..d9f57461
--- /dev/null
+++ b/tcl/target/at91sam4XXX.cfg
@@ -0,0 +1,45 @@
+# script for ATMEL sam4, a CORTEX-M4 chip
+#
+
+if { [info exists CHIPNAME] } {
+   set _CHIPNAME $CHIPNAME
+} else {
+   set _CHIPNAME sam4
+}
+
+if { [info exists ENDIAN] } {
+   set _ENDIAN $ENDIAN
+} else {
+   set _ENDIAN little
+}
+
+# JTAG speed should be <= F_CPU/6. F_CPU after reset is 4 MHz, so use F_JTAG = 0.5MHz
+#
+# Since we may be running of an RC oscilator, we crank down the speed a
+# bit more to be on the safe side. Perhaps superstition, but if are
+# running off a crystal, we can run closer to the limit. Note
+# that there can be a pretty wide band where things are more or less stable.
+
+adapter_khz 500
+
+adapter_nsrst_delay 100
+jtag_ntrst_delay 100
+
+#jtag scan chain
+if { [info exists CPUTAPID] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   set _CPUTAPID 0x4ba00477
+}
+
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME
+
+# 16K is plenty, the smallest chip has this much
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size 16384 -work-area-backup 0
+
+$_TARGETNAME configure -event gdb-flash-erase-start {
+    halt
+}