jtag newtap change & huge manual update

[fw/openocd] / src / target / target / sam7x256.cfg

diff --git a/src/target/target/sam7x256.cfg b/src/target/target/sam7x256.cfg
index d7e11ff32dfde08252148250451793ff37072661..8e8cc97a1c9736acac3d3e2c579c76b78aad6092 100644 (file)
--- a/src/target/target/sam7x256.cfg
+++ b/src/target/target/sam7x256.cfg
@@ -1,12 +1,30 @@
 #use combined on interfaces or targets that can't set TRST/SRST separately
 reset_config srst_only srst_pulls_trst
 
-#jtag scan chain
-#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
-jtag_device 4 0x1 0xf 0xe
+if { [info exists CHIPNAME] } {        
+   set  _CHIPNAME $CHIPNAME    
+} else {        
+   set  _CHIPNAME sam7x256
+}
+
+if { [info exists ENDIAN] } {  
+   set  _ENDIAN $ENDIAN    
+} else {        
+   set  _ENDIAN little
+}
+
+if { [info exists CPUTAPID ] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   set _CPUTAPID 0x3f0f0f0f
+}
+
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
 
-target create target0 arm7tdmi -endian little -chain-position 0 -variant arm7tdmi
-[new_target_name] configure -event reset-init { 
+target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi
+$_TARGETNAME configure -event reset-init { 
        # disable watchdog
        mww 0xfffffd44 0x00008000       
        # enable user reset
@@ -25,7 +43,7 @@ target create target0 arm7tdmi -endian little -chain-position 0 -variant arm7tdm
        sleep 100
 }
 
-[new_target_name] configure -work-area-virt 0 -work-area-phys 0x00200000 -work-area-size 0x4000 -work-area-backup 0
+$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x00200000 -work-area-size 0x4000 -work-area-backup 0
 
 #flash bank <driver> <base> <size> <chip_width> <bus_width>
 flash bank at91sam7 0 0 0 0 0