Rolf Meeser <rolfm_9dq@yahoo.de> adds flash support for NXP's LPC2900 family (ARM968E).

git-svn-id: svn://svn.berlios.de/openocd/trunk@2715 b42882b7-edfa-0310-969c-e2dbd0fdcd60

tcl/target/lpc2900.cfg

@@ -0,0 +1,65 @@
+
+if { [info exists CHIPNAME] } {
+    set  _CHIPNAME $CHIPNAME
+} else {
+    set  _CHIPNAME lpc2900
+}
+
+if { [info exists CPUTAPID ] } {
+    set _CPUTAPID $CPUTAPID
+} else {
+    set _CPUTAPID 0x0596802B
+}
+
+if { [info exists HAS_ETB ] } {
+} else {
+    # Set default (no ETB).
+    # Show a warning, because this should have been configured explicitely.
+    set HAS_ETB 0
+    # TODO   warning?
+}
+
+if { [info exists ETBTAPID ] } {
+    set _ETBTAPID $ETBTAPID
+} else {
+    set _ETBTAPID 0x1B900F0F
+}
+
+# TRST and SRST both exist, and can be controlled independently
+reset_config trst_and_srst separate
+
+# Define the _TARGETNAME
+set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
+
+# Include the ETB tap controller if asked for.
+# Has to be done manually for newer devices (not an "old" LPC2917/2919).
+if { $HAS_ETB == 1 } {
+    # Clear the HAS_ETB flag. Must be set again for a new tap in the chain.
+    set HAS_ETB 0
+
+    # Add the ETB tap controller and the ARM9 core debug tap
+    jtag newtap $_CHIPNAME etb -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_ETBTAPID
+    jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+    # Create the ".cpu" target
+    target create $_TARGETNAME arm966e -endian little -chain-position $_TARGETNAME -variant arm966e
+
+    # Configure ETM and ETB
+    etm config $_TARGETNAME 8 normal full etb
+    etb config $_TARGETNAME $_CHIPNAME.etb
+
+} else {
+    # Add the ARM9 core debug tap
+    jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+    # Create the ".cpu" target
+    target create $_TARGETNAME arm966e -endian little -chain-position $_TARGETNAME -variant arm966e
+}
+
+arm7_9 dbgrq enable
+arm7_9 dcc_downloads enable
+
+# Flash bank configuration:
+# Flash:   flash bank lpc2900 0 0 0 0 <target#> <flash clock (CLK_SYS_FMC) in kHz>
+# Flash base address, total flash size, and number of sectors are all configured automatically.
+flash bank lpc2900         0 0 0 0 $_TARGETNAME $FLASH_CLOCK