drivers/am335xgpio: Add AM335x driver for bitbang support on BeagleBones
[fw/openocd] / tcl / target / lpc2124.cfg
index 94ac5be64872852e45f864c69382b838a6461b58..ddbde22a5a5a1bd7f30851d7dadaf2d7b2ccdd53 100644 (file)
@@ -2,8 +2,20 @@
 
 source [find target/lpc2xxx.cfg]
 
-proc init_targets {} {
-       # 256kB flash and 16kB 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_lpc2124 {core_freq_khz adapter_freq_khz} {
+       # 256kB flash and 16kB SRAM
        # setup_lpc2xxx <chip_name> <cputapid> <flash_size> <flash_variant> <workarea_size> <core_freq_khz> <adapter_freq_khz>
-       setup_lpc2xxx lpc2124 0x4f1f0f0f 0x40000 lpc2000_v1 0x4000 12000 1500
+       setup_lpc2xxx lpc2124 0x4f1f0f0f 0x40000 lpc2000_v1 0x4000 $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_lpc2124 <core_freq_khz> <adapter_freq_khz>
+       setup_lpc2124 12000 1500
 }