Add support for Segger J-Link

Signed-off-by: Nathaniel Graff <nathaniel.graff@sifive.com>

1 files changed, 15 insertions, 2 deletions

diff --git a/scripts/upload b/scripts/upload
index 66e9ed8..a52fc0a 100755
--- a/scripts/upload
+++ b/scripts/upload
@@ -4,31 +4,44 @@ set -e
 set -o pipefail
 
 unset elf
+unset hex
 unset cfg
 unset openocd
+unset jlink
 unset gdb
 while [[ "$1" != "" ]]
 do
     case "$1"
     in
     --elf)                 elf="$2";     shift 2;;
+    --hex)                 hex="$2";     shift 2;;
     --openocd)             openocd="$2"; shift 2;;
     --openocd-config)      cfg="$2";     shift 2;;
+    --jlink)               jlink="$2";   shift 2;;
     --gdb)                 gdb="$2";     shift 2;;
     *) echo "$0: Unknown argument $1";   exit 1;;
     esac
 done
 
-if [[ "$elf" == "" ]]
+if [ "$elf" == "" -a "$hex" == "" ]
 then
-    echo "$0: --elf is required" >&2
+    echo "$0: --elf or --hex is required" >&2
     exit 1
 fi
 
 export GDB_PORT=3333
 
+if [ "$jlink" != "" ]
+then
+
+echo -e "loadfile $hex\nrnh\nexit" | $jlink -device FE310 -if JTAG -speed 4000 -jtagconf -1,-1 -autoconnect 1
+
+else
+
 $openocd -f $cfg &
 
 $gdb $elf --batch -ex "set remotetimeout 240" -ex "target extended-remote localhost:${GDB_PORT}" -ex "monitor reset halt" -ex "monitor flash protect 0 64 last off" -ex "load" -ex "monitor resume" -ex "monitor shutdown" -ex "quit"
 
 kill %1
+
+fi