jtag newtap change & huge manual update

[fw/openocd] / src / target / target / lpc2148.cfg

diff --git a/src/target/target/lpc2148.cfg b/src/target/target/lpc2148.cfg
index 64e65b12679b91b34463a65ce179d02e56cd9679..7b701ab6c41da9da47b91a36b3d62876c77bab2c 100644 (file)
--- a/src/target/target/lpc2148.cfg
+++ b/src/target/target/lpc2148.cfg
@@ -1,29 +1,49 @@
+
+if { [info exists CHIPNAME] } {        
+   set  _CHIPNAME $CHIPNAME    
+} else {        
+   set  _CHIPNAME lpc2148
+}
+
+if { [info exists ENDIAN] } {  
+   set  _ENDIAN $ENDIAN    
+} else {        
+   set  _ENDIAN little
+}
+
+if { [info exists CPUTAPID ] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+  # force an error till we get a good number
+   set _CPUTAPID 0xffffffff
+}
+
 #delays on reset lines
 jtag_nsrst_delay 200
 jtag_ntrst_delay 200
 
+# NOTE!!! LPCs need reset pulled while RTCK is low. 0 to activate 
+# JTAG, power-on reset is not enough, i.e. you need to perform a
+# reset before being able to talk to the LPC2148, attach is not
+# possible.
+
 #use combined on interfaces or targets that can't set TRST/SRST separately
 reset_config trst_and_srst srst_pulls_trst
 
-#LPCs need reset pulled while RTCK is low. 0 to activate JTAG, power-on reset is not enough
-jtag_reset 1 1
-jtag_reset 0 0
-
 #jtag scan chain
-#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
-jtag_device 4 0x1 0xf 0xe
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
 
-#target <type> <startup mode>
-#target arm7tdmi <reset mode> <chainpos> <endianness> <variant>
-target arm7tdmi little 0 arm7tdmi-s_r4
+set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
+target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
+$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0
+$_TARGETNAME configure -event reset-init {
+       # Force target into ARM state
+       soft_reset_halt
+       #do not remap 0x0000-0x0020 to anything but the flash
+       mwb 0xE01FC040 0x01 
+       
+}
 
 
-target_script 0 reset event/lpc2148_reset.script
-
-working_area 0 0x40000000 0x4000 nobackup
-
 #flash bank lpc2000 <base> <size> 0 0 <target#> <variant>
 flash bank lpc2000 0x0 0x7d000 0 0 0 lpc2000_v2 14765
-
-# For more information about the configuration files, take a look at:
-# http://openfacts.berlios.de/index-en.phtml?title=Open+On-Chip+Debugger