clevo/ec-flash.sh: add

Signed-off-by: Maciej Pijanowski <maciej.pijanowski@3mdeb.com>

clevo/clevo-ec-flash

@@ -0,0 +1,85 @@
+#!/usr/bin/env bash
+
+error_exit() {
+  _error_msg="$1"
+  echo "$_error_msg"
+  exit 1
+}
+
+error_check() {
+  _error_code=$?
+  _error_msg="$1"
+  [ "$_error_code" -ne 0 ] && error_exit "$_error_msg : ($_error_code)"
+}
+
+# Method to access IT5570 IO Depth 2 registers
+it5570_i2ec() {
+  # TODO: Use /dev/port instead of iotools
+
+  # Address high byte
+  iotools io_write8 0x2e 0x2e
+  iotools io_write8 0x2f 0x11
+  iotools io_write8 0x2e 0x2f
+  iotools io_write8 0x2f $(($2>>8 & 0xff))
+
+  # Address low byte
+  iotools io_write8 0x2e 0x2e
+  iotools io_write8 0x2f 0x10
+  iotools io_write8 0x2e 0x2f
+  iotools io_write8 0x2f $(($2 & 0xff))
+
+  # Data
+  iotools io_write8 0x2e 0x2e
+  iotools io_write8 0x2f 0x12
+  iotools io_write8 0x2e 0x2f
+
+  case $1 in
+    "r")
+      iotools io_read8 0x2f
+      ;;
+    "w")
+      iotools io_write8 0x2f $3
+      ;;
+  esac
+}
+
+it5570_shutdown() {
+  echo -n "Syncing disks... "
+  sync
+  echo "Done."
+  echo "The computer will shut down automatically in 5 seconds"
+  sleep 5
+  # shut down using EC external watchdog reset
+  it5570_i2ec w 0x1f01 0x20
+  it5570_i2ec w 0x1f07 0x01
+}
+
+update_ec() {
+  echo "Getting EC firmware update..."
+  cp $EC_UPDATE_PATH /tmp/ecupdate.rom
+  error_check "Failed to get EC firmware update file. Please check if path \
+  $EC_UPDATE_PATH is correct."
+
+  echo "Updating EC..."
+  flashrom -p ite_ec -w /tmp/ecupdate.rom
+  error_check "Failed to update EC firmware"
+
+  echo "Successfully updated EC firmware"
+}
+
+usage() {
+  echo "Usage:"
+  echo "  $0 EC_UPDATE_FILE"
+  echo "  EC_UPDATE_FILE - This argument takes path to EC update file"
+  exit 1
+}
+
+if [ $# -ne 1 ]; then
+  usage
+fi
+
+EC_UPDATE_PATH=$1
+
+update_ec
+
+it5570_shutdown