target: rename cortex_m3 to cortex_m

[openocd] / tcl / target / at91sam3XXX.cfg

diff --git a/tcl/target/at91sam3XXX.cfg b/tcl/target/at91sam3XXX.cfg
index 517a871911179a666d6de89e39616263849d3dec..075b462d0a78b17fab6e2a08b98fea6545912360 100644 (file)
--- a/tcl/target/at91sam3XXX.cfg
+++ b/tcl/target/at91sam3XXX.cfg
@@ -16,22 +16,40 @@
 # at91sam3s1c
 # at91sam3s1b
 # at91sam3s1a
-
+#
+# at91sam3A4C
+# at91sam3A8C
+# at91sam3X4C
+# at91sam3X4E
+# at91sam3X8C
+# at91sam3X8E
+# at91sam3X8H
 if { [info exists CHIPNAME] } {
-   set  _CHIPNAME $CHIPNAME
+   set _CHIPNAME $CHIPNAME
 } else {
-   set  _CHIPNAME sam3
+   set _CHIPNAME sam3
 }
 
 if { [info exists ENDIAN] } {
-   set  _ENDIAN $ENDIAN
+   set _ENDIAN $ENDIAN
 } else {
-   set  _ENDIAN little
+   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 ] } {
+if { [info exists CPUTAPID] } {
    set _CPUTAPID $CPUTAPID
 } else {
    set _CPUTAPID 0x4ba00477
@@ -40,7 +58,7 @@ if { [info exists CPUTAPID ] } {
 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
+target create $_TARGETNAME cortex_m -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
@@ -48,3 +66,7 @@ $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size 16384 -work-ar
 $_TARGETNAME configure -event gdb-flash-erase-start {
     halt
 }
+
+# if srst is not fitted use SYSRESETREQ to
+# perform a soft reset
+cortex_m reset_config sysresetreq