tcl/target: add SPDX tag

[fw/openocd] / tcl / target / lpc2148.cfg

diff --git a/tcl/target/lpc2148.cfg b/tcl/target/lpc2148.cfg
index 747dcd960f1506be50f2137a8560d2588a04998d..fda622f11d9e240cb46e3e43243ea14a8abd4246 100644 (file)
--- a/tcl/target/lpc2148.cfg
+++ b/tcl/target/lpc2148.cfg
@@ -1,9 +1,23 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 # NXP LPC2148 ARM7TDMI-S with 512kB flash (12kB used by bootloader) and 40kB SRAM (8kB for USB DMA), clocked with 12MHz crystal
 
 source [find target/lpc2xxx.cfg]
 
-proc init_targets {} {
-       # 500kB flash and 32kB SRAM, clocked with 12MHz crystal
+# 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_lpc2148 {core_freq_khz adapter_freq_khz} {
+       # 500kB flash and 32kB SRAM
        # setup_lpc2xxx <chip_name> <cputapid> <flash_size> <flash_variant> <workarea_size> <core_freq_khz> <adapter_freq_khz>
-       setup_lpc2xxx lpc2148 "0x3f0f0f0f 0x4f1f0f0f" 0x7d000 lpc2000_v2 0x8000 12000 1500
+       setup_lpc2xxx lpc2148 "0x3f0f0f0f 0x4f1f0f0f" 0x7d000 lpc2000_v2 0x8000 $core_freq_khz $adapter_freq_khz
+}
+
+proc init_targets {} {
+       # default to core clocked with 12MHz crystal
+       echo "Warning - assuming default core clock 12MHz! Flashing may fail if actual core clock is different."
+
+       # setup_lpc2148 <core_freq_khz> <adapter_freq_khz>
+       setup_lpc2148 12000 1500
 }