drivers/am335xgpio: Add AM335x driver for bitbang support on BeagleBones

[fw/openocd] / tcl / target / lpc2124.cfg

diff --git a/tcl/target/lpc2124.cfg b/tcl/target/lpc2124.cfg
index 61d411b5680ca4886d5e8e214fb48923ada25a1f..ddbde22a5a5a1bd7f30851d7dadaf2d7b2ccdd53 100644 (file)
--- a/tcl/target/lpc2124.cfg
+++ b/tcl/target/lpc2124.cfg
@@ -1,42 +1,21 @@
-#LPC-2124 CPU
+# NXP LPC2124 ARM7TDMI-S with 256kB flash and 16kB SRAM, clocked with 12MHz crystal
 
-if { [info exists CHIPNAME] } {
-   set  _CHIPNAME $CHIPNAME
-} else {
-   set  _CHIPNAME lpc2124
-}
+source [find target/lpc2xxx.cfg]
 
-if { [info exists ENDIAN] } {
-   set  _ENDIAN $ENDIAN
-} else {
-   set  _ENDIAN little
-}
+# 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
 
-if { [info exists CPUTAPID ] } {
-   set _CPUTAPID $CPUTAPID
-} else {
-  # force an error till we get a good number
-    set _CPUTAPID 0x4f1f0f0f
+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 $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."
 
-#use combined on interfaces or targets that can't set TRST/SRST separately
-reset_config trst_and_srst srst_pulls_trst
-
-# reset delays
-jtag_nsrst_delay 100
-jtag_ntrst_delay 100
-
-jtag_khz 1000
-
-#jtag scan chain
-jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
-
-set _TARGETNAME $_CHIPNAME.cpu
-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
-
-
-#flash bank <driver> <base> <size> <chip_width> <bus_width>
-flash bank lpc2000 0x0 0x40000 0 0 $_TARGETNAME lpc2000_v1 14745 calc_checksum
+       # setup_lpc2124 <core_freq_khz> <adapter_freq_khz>
+       setup_lpc2124 12000 1500
+}