Add OpenOCD support for LM4F120 LaunchPad. From JP Carballo

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5747 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 129 insertions, 0 deletions

diff --git a/nuttx/configs/lm4f120-launchpad/tools/lm4f120-launchpad.cfg b/nuttx/configs/lm4f120-launchpad/tools/lm4f120-launchpad.cfg
new file mode 100644
index 000000000..a4fa62f0a
--- /dev/null
+++ b/nuttx/configs/lm4f120-launchpad/tools/lm4f120-launchpad.cfg
@@ -0,0 +1,71 @@
+#
+# TI Stellaris Launchpad ek-lm4f120xl Evaluation Kits
+#
+# http://www.ti.com/tool/ek-lm4f120xl
+#
+
+#
+# NOTE: using the bundled ICDI interface is optional!
+# This interface is not ftdi based as previous boards were
+#
+
+# Interface configuration
+
+#
+# TI Stellaris In-Circuit Debug Interface (ICDI) Board
+#
+# This is the propriety ICDI interface used on newer boards such as
+# LM4F232 Evaluation Kit - http://www.ti.com/tool/ek-lm4f232
+# Stellaris Launchpad - http://www.ti.com/stellaris-launchpad
+# http://www.ti.com/tool/ek-lm4f232
+#
+
+interface hla
+hla_layout ti-icdi
+hla_vid_pid 0x1cbe 0x00fd
+
+# Board configuration
+
+# unused but set to disable warnings
+adapter_khz 1000
+
+set WORKAREASIZE 0x8000
+set CHIPNAME lm4f120h5qr
+
+# Target configuration
+
+#
+# lm3s icdi pseudo target
+#
+
+if { [info exists CHIPNAME] } {
+   set _CHIPNAME $CHIPNAME
+} else {
+   set _CHIPNAME lm3s
+}
+
+# Work-area is a space in RAM used for flash programming
+# By default use 16kB
+if { [info exists WORKAREASIZE] } {
+   set _WORKAREASIZE $WORKAREASIZE
+} else {
+   set _WORKAREASIZE 0x4000
+}
+
+#
+# possible value are hla_jtag
+# currently swd is not supported
+#
+transport select hla_jtag
+
+# do not check id as icdi currently does not support it
+hla newtap $_CHIPNAME cpu -expected-id 0
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME hla_target -chain-position $_TARGETNAME
+
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+
+# flash configuration ... autodetects sizes, autoprobed
+flash bank $_CHIPNAME.flash stellaris 0 0 0 0 $_TARGETNAME
+
diff --git a/nuttx/configs/lm4f120-launchpad/tools/oocd.sh b/nuttx/configs/lm4f120-launchpad/tools/oocd.sh
new file mode 100644
index 000000000..981845225
--- /dev/null
+++ b/nuttx/configs/lm4f120-launchpad/tools/oocd.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+#
+# See configs/lm4f120-launchpad/README.txt for information about
+# this file.
+
+TOPDIR=$1
+USAGE="$0 <TOPDIR> [-d]"
+if [ -z "${TOPDIR}" ]; then
+	echo "Missing argument"
+	echo $USAGE
+	exit 1
+fi
+
+# Assume that OpenOCD was installed and at /usr/local/bin.  Uncomment
+# the following to run directly from the build directory
+
+# OPENOCD_PATH="/home/OpenOCD/openocd/src"
+# OPENOCD_PATH="/usr/bin"
+OPENOCD_PATH="/usr/local/bin"
+
+# TARGET_PATH="/home/OpenOCD/openocd/tcl"
+# TARGET_PATH="/usr/share/openocd/scripts"
+TARGET_PATH="/usr/local/share/openocd/scripts"
+
+# Assume a Unix development environment.  Uncomment to use a Windows
+# like environment
+
+# OPENOCD_EXE=openocd.exe
+OPENOCD_EXE=openocd
+
+OPENOCD_CFG="${TOPDIR}/configs/lm4f120-launchpad/tools/lm4f120-launchpad.cfg"
+OPENOCD_ARGS="-f ${OPENOCD_CFG} -s ${TARGET_PATH}"
+
+if [ "X$2" = "X-d" ]; then
+	OPENOCD_ARGS=$OPENOCD_ARGS" -d3"
+	set -x
+fi
+
+if [ ! -d ${OPENOCD_PATH} ]; then
+	echo "OpenOCD path does not exist: ${OPENOCD_PATH}"
+	exit 1
+fi
+if [ ! -x ${OPENOCD_PATH}/${OPENOCD_EXE} ]; then
+	echo "OpenOCD does not exist: ${OPENOCD_PATH}/${OPENOCD_EXE}"
+	exit 1
+fi
+if [ ! -f ${OPENOCD_CFG} ]; then
+	echo "OpenOCD config file does not exist: ${OPENOCD_CFG}"
+	exit 1
+fi
+
+echo "Starting OpenOCD"
+cd ${OPENOCD_PATH} || { echo "Failed to CD to ${OPENOCD_PATH}"; exit 1; }
+${OPENOCD_EXE} ${OPENOCD_ARGS} &
+echo "OpenOCD daemon started"
+ps -ef | grep openocd
+echo "In GDB: target remote localhost:3333"
+