X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=tcl%2Ftarget%2Flpc2378.cfg;h=0b66b82557452d39eda19d0357556275924cf42f;hp=21fdd1b4ade83f3ef24c6ec19b9f69e49814a567;hb=79d6d3cda90c6694343bde909978069994049ab7;hpb=4bd2b30d5bae59b751f8eb30815cf330faae2a6f

diff --git a/tcl/target/lpc2378.cfg b/tcl/target/lpc2378.cfg
index 21fdd1b4ad..0b66b82557 100644
--- a/tcl/target/lpc2378.cfg
+++ b/tcl/target/lpc2378.cfg
@@ -1,43 +1,21 @@
-# NXP LPC2378 ARM7TDMI-S with 512kB Flash and 32kB Local On-Chip SRAM (58kB total), clocked with 4MHz internal RC oscillator
+# NXP LPC2378 ARM7TDMI-S with 512kB flash (8kB used by bootloader) and 56kB SRAM (16kB for ETH, 8kB for DMA), clocked with 4MHz internal oscillator
 
-if { [info exists CHIPNAME] } {
-	set  _CHIPNAME $CHIPNAME
-} else {
-	set  _CHIPNAME lpc2378
-}
-
-if { [info exists CPUTAPID ] } {
-	set _CPUTAPID $CPUTAPID
-} else {
-	set _CPUTAPID 0x4f1f0f0f
-}
-
-#delays on reset lines
-adapter_nsrst_delay 200
-jtag_ntrst_delay 200
-
-reset_config trst_and_srst
+source [find target/lpc2xxx.cfg]
 
-jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+# parameters:
+# - core_freq_khz - frequency of core in kHz during flashing, usually equal to connected crystal or internal oscillator, e.g. 12000
+# - adapter_freq_khz - frequency of debug adapter in kHz, should be 8x slower than core_freq_khz, e.g. 1000
 
-set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME arm7tdmi -chain-position $_TARGETNAME
-
-# LPC2378 has 32kB of SRAM on its main system bus (so-called Local On-Chip SRAM)
-$_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size 0x8000 -work-area-backup 0
-
-$_TARGETNAME configure -event reset-init {
-	# Force target into ARM state
-	arm core_state arm
-	#do not remap 0x0000-0x0020 to anything but the flash
-	mwb 0xE01FC040 0x01
+proc setup_lpc2378 {core_freq_khz adapter_freq_khz} {
+	# 504kB flash and 32kB SRAM
+	# setup_lpc2xxx <chip_name> <cputapid> <flash_size> <flash_variant> <workarea_size> <core_freq_khz> <adapter_freq_khz>
+	setup_lpc2xxx lpc2378 0x4f1f0f0f 0x7e000 lpc2000_v2 0x8000 $core_freq_khz $adapter_freq_khz
 }
 
-# LPC2378 has 512kB of FLASH, but upper 8kB are occupied by bootloader.
-# After reset the chip uses its internal 4MHz RC oscillator
-# flash bank <name> lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc checksum]
-set _FLASHNAME $_CHIPNAME.flash
-flash bank $_FLASHNAME lpc2000 0x0 0x0007D000 0 0 $_TARGETNAME lpc2000_v2 4000 calc_checksum
-
-# 4MHz / 6 = 666kHz, so use 500
-adapter_khz 500
+proc init_targets {} {
+	# default to core clocked with 4MHz internal oscillator
+	echo "Warning - assuming default core clock 4MHz! Flashing may fail if actual core clock is different."
+	
+	# setup_lpc2378 <core_freq_khz> <adapter_freq_khz>
+	setup_lpc2378 4000 500
+}