tcl/target: add SPDX tag

[fw/openocd] / tcl / target / lpc2478.cfg

diff --git a/tcl/target/lpc2478.cfg b/tcl/target/lpc2478.cfg
index 9c34b97e1aff07e95c18e1a818d26b3ecbd06e20..e4fd49d43b5bb88558a756056ff911de3e04aeb6 100644 (file)
--- a/tcl/target/lpc2478.cfg
+++ b/tcl/target/lpc2478.cfg
@@ -1,9 +1,23 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 # 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
 
 source [find target/lpc2xxx.cfg]
 
-proc init_targets {} {
-       # 504kB flash and 64kB SRAM, clocked with 4MHz internal oscillator
+# 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
+
+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 4000 500
+       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."
+
+       # setup_lpc2478 <core_freq_khz> <adapter_freq_khz>
+       setup_lpc2478 4000 500
 }