Initial commit

meta-facebook/recipes-fb/fb-powerctrl/files/setup_gpio.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# Set all output GPIOs as such and drive them with reasonable values.
+function set_gpio_active_low() {
+  if [ $# -ne 2 ]; then
+    echo "set_gpio_active_low: need both GPIO# and initial level";
+    return;
+  fi
+
+  echo "$1" > /sys/class/gpio/export
+  echo "$2" > "/sys/class/gpio/gpio$1/direction"
+}
+
+GPIO_BASE=$(cat /sys/class/gpio/gpio*/base)
+
+# FM_BMC_READY_N, GPIO S1, active low
+set_gpio_active_low $((GPIO_BASE + 144 +1)) low
+
+# FP_PECI_MUX, active low
+set_gpio_active_low $((GPIO_BASE + 212)) high
+
+exit 0;