1 files changed, 48 insertions, 0 deletions
diff --git a/meta-fii/meta-kudo/recipes-phosphor/console/obmc-console/kudo_uart_mux_ctrl.sh b/meta-fii/meta-kudo/recipes-phosphor/console/obmc-console/kudo_uart_mux_ctrl.sh
new file mode 100644
index 000000000..27407783e
--- /dev/null
+++ b/meta-fii/meta-kudo/recipes-phosphor/console/obmc-console/kudo_uart_mux_ctrl.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+#
+# Copyright (c) 2020 Ampere Computing LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#	http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Ampere Computing LLC mtjade: UART MUX/DEMUX for CPU0 UART0,1,4 and CPU1 UART1
+# Usage: ampere_uartmux_ctrl.sh <CPU UART port number> <UARTx_MODE>
+#        <UARTx_MODE> of 1 sets CPU To BSP
+#        <UARTx_MODE> of 2 sets SCP1 to SI2 
+function set_gpio_ctrl() {
+  echo $1 > /sys/class/gpio/export
+  echo $2 > /sys/class//gpio/gpio$1/direction
+  echo $3 > /sys/class/gpio/gpio$1/value
+  echo $1 > /sys/class/gpio/unexport
+}
+
+
+if [ $# -lt 1 ]; then
+  exit 1
+fi
+
+echo "Ampere UART MUX CTRL UART port $1 to mode" > /dev/ttyS0
+
+case "$1" in
+  ttyS1)
+    set_gpio_ctrl 167 out 1
+    ;;
+  ttyS3)
+    set_gpio_ctrl 161 out 1
+    set_gpio_ctrl 183 out 1 
+    set_gpio_ctrl 198 out 0
+    ;;
+  *)
+    echo "Invalid tty passed to $0. Exiting!" > /dev/ttyS0
+    ;;
+esac
+