Dick Hollenbeck <dick@softplc.com> moved stuff into openocd.c - should never have...

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

diff --git a/src/target/target/lpc2148.cfg b/src/target/target/lpc2148.cfg
index e30a3c8558f77e957ae82dc89d096fd17854766a..32ae0af4f4e7e6b76f6041913c31be13ae08c435 100644 (file)
--- a/src/target/target/lpc2148.cfg
+++ b/src/target/target/lpc2148.cfg
@@ -1,29 +1,56 @@
-#delays on reset lines
+# Use RCLK. If RCLK is not available fall back to 500kHz. 
+# 
+# Depending on cabling you might be able to eek this up to 2000kHz.
+jtag_rclk 500
+
+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 {
+   set _CPUTAPID 0x4f1f0f0f
+}
+
 jtag_nsrst_delay 200
 jtag_ntrst_delay 200
 
-#use combined on interfaces or targets that can't set TRST/SRST separately
+# 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.
+
 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 newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
 
-#jtag scan chain
-#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
-jtag_device 4 0x1 0xf 0xe
+set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
 
-#target <type> <startup mode>
-#target arm7tdmi <reset mode> <chainpos> <endianness> <variant>
-target arm7tdmi little 0 arm7tdmi-s_r4
-run_and_halt_time 0 30
+target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
 
-target_script 0 reset event/lpc2148_reset.script
+$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0
 
-working_area 0 0x40000000 0x4000 nobackup
+$_TARGETNAME configure -event reset-init {
+       # Force target into ARM state.
+       soft_reset_halt
 
-#flash bank lpc2000 <base> <size> 0 0 <target#> <variant>
-flash bank lpc2000 0x0 0x7d000 0 0 0 lpc2000_v2 14765
+       # Do not remap 0x0000-0x0020 to anything but the flash (i.e. select
+       # "User Flash Mode" where interrupt vectors are _not_ remapped,
+       # and reside in flash instead).
+       #
+       # See section 7.1 on page 32 ("Memory Mapping control register") in
+       # "UM10139: Volume 1: LPC214x User Manual", Rev. 02 -- 25 July 2006.
+       # http://www.standardics.nxp.com/support/documents/microcontrollers/pdf/user.manual.lpc2141.lpc2142.lpc2144.lpc2146.lpc2148.pdf
+       mwb 0xE01FC040 0x01
+}
 
-# For more information about the configuration files, take a look at:
-# http://openfacts.berlios.de/index-en.phtml?title=Open+On-Chip+Debugger
+# flash bank lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc_checksum]
+flash bank lpc2000 0x0 0x7d000 0 0 0 lpc2000_v2 14765