Initial commit

meta-facebook/meta-greatlakes/recipes-phosphor/console/obmc-console/select-uart-mux

@@ -0,0 +1,61 @@
+#!/bin/sh
+# Select UART Mux: UART Mux for switching between Host and BIC on Slot1 ~ Slot4
+# Usage: select-uart-mux <slot1|slot2|slot3|slot4> <host|bic>
+
+REG_OFFSET="0x01"
+input_slot=$1
+input_target=$2
+i2c_bus_id=
+
+show_usage() {
+  echo "Usage: select-uart-mux [ slot1 | slot2 | slot3 | slot4 ] [ host | bic ]"
+  echo "Select UART Mux"
+}
+
+if [ $# -gt 3 ]; then
+    show_usage
+    exit 255
+fi
+
+case $input_slot in
+    slot1)
+        i2c_bus_id="4"
+    ;;
+    slot2)
+        i2c_bus_id="5"
+    ;;
+    slot3)
+        i2c_bus_id="6"
+    ;;
+    slot4)
+        i2c_bus_id="7"
+    ;;
+    *)
+        echo "Slot must between 1 to 4."
+        show_usage
+        exit 255
+    ;;
+    esac
+
+case $input_target in
+    host)
+        reg_val="0x03"
+    ;;
+    bic)
+        reg_val="0x04"
+    ;;
+    *)
+        echo "Input must be host or bic."
+        show_usage
+        exit 255
+    esac
+
+i2ctransfer -y -f $i2c_bus_id w2@0x0f $REG_OFFSET $reg_val
+
+val=$(i2ctransfer -y -f $i2c_bus_id w1@0x0f $REG_OFFSET r1)
+ret=$?
+
+if [ $ret -ne 0 ] || [ "$val" != $reg_val ]; then
+    echo "Failed to modify the register value, the register value is $val instead of $reg_val."
+    exit 255
+fi

meta-facebook/meta-greatlakes/recipes-phosphor/console/obmc-console_%.bbappend

@@ -0,0 +1,7 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+
+SRC_URI:append:greatlakes = " file://select-uart-mux"
+
+do_install:append:greatlakes() {
+        install -m 0744 ${WORKDIR}/select-uart-mux ${D}${bindir}
+}