X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=tcl%2Ftarget%2Flpc2478.cfg;h=36b5c46936fd32811f2d5c4b958c8ed7d0c51d3c;hp=84675705b959a254624ca9532e96f7f573fe5889;hb=HEAD;hpb=dbbc9c41f7db210b0a4e226540a28e0a8a5019bf

diff --git a/tcl/target/lpc2478.cfg b/tcl/target/lpc2478.cfg
index 84675705b9..e4fd49d43b 100644
--- a/tcl/target/lpc2478.cfg
+++ b/tcl/target/lpc2478.cfg
@@ -1,35 +1,23 @@
-# Testing feeedback wanted!
-set _CHIPNAME lpc2478
-set _ENDIAN little
-set _CPUTAPID 0x4f1f0f0f
+# SPDX-License-Identifier: GPL-2.0-or-later
 
-# 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
+# NXP LPC2478 ARM7TDMI-S with 512kB flash (8kB used by bootloader) and 98kB SRAM (16kB for ETH, 16kB for DMA, 2kB for RTC), clocked with 4MHz internal oscillator
 
-jtag_nsrst_delay 200
-jtag_ntrst_delay 200
+source [find target/lpc2xxx.cfg]
 
-#use combined on interfaces or targets that can't set TRST/SRST separately
-reset_config trst_and_srst srst_pulls_trst
+# 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
 
-
-jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
-
-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
-	# FIX!!!! should we remap the range below??? Is this applicable to
-	# Copied from LPC2148.
-	#do not remap 0x0000-0x0020 to anything but the flash
-	mwb 0xE01FC040 0x01
+proc setup_lpc2478 {core_freq_khz adapter_freq_khz} {
+	# 504kB flash and 64kB SRAM
+	# setup_lpc2xxx <chip_name> <cputapid> <flash_size> <flash_variant> <workarea_size> <core_freq_khz> <adapter_freq_khz>
+	setup_lpc2xxx lpc2478 0x4f1f0f0f 0x7e000 lpc2000_v2 0x10000 $core_freq_khz $adapter_freq_khz
 }
 
+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."
 
-flash bank lpc2000 0x0 0x7D000 0 0 0 lpc2000_v2 12000 calc_checksum
+	# setup_lpc2478 <core_freq_khz> <adapter_freq_khz>
+	setup_lpc2478 4000 500
+}