1 files changed, 60 insertions, 0 deletions
diff --git a/meta-quanta/meta-gsj/recipes-phosphor/quanta-nvme-powerctrl/files/init_once.sh b/meta-quanta/meta-gsj/recipes-phosphor/quanta-nvme-powerctrl/files/init_once.sh
new file mode 100644
index 000000000..2ea02ef8d
--- /dev/null
+++ b/meta-quanta/meta-gsj/recipes-phosphor/quanta-nvme-powerctrl/files/init_once.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+function set_gpio() {
+  #$1 gpio pin
+  echo $1 > /sys/class/gpio/export
+}
+
+function set_gpio_direction(){
+    #$1 gpio pin, $2 'in','high','low'
+    echo $2 > /sys/class/gpio/gpio$1/direction
+}
+
+function read_gpio_input(){
+    #$1 read input gpio pin
+    cat /sys/class/gpio/gpio$1/value
+}
+
+function read_present_set_related_power(){
+    #$1 read present gpio, $2 output power gpio,$3 output direction
+    var=$(cat /sys/class/gpio/gpio$1/value)
+    # present 0 is plugged,present 1 is removal
+    if [ "$var" == "0" ];then
+        set_gpio_direction $2 "high"
+    else 
+        set_gpio_direction $2 "low"
+    fi
+}
+
+
+## Initial U2_PRESNET_N
+U2_PRESENT=( 148 149 150 151 152 153 154 155 )
+for i in "${U2_PRESENT[@]}";
+do 
+    set_gpio $i;
+    set_gpio_direction $i 'in';
+done
+
+## Initial POWER_U2_EN
+POWER_U2=( 195 196 202 199 198 197 127 126 )
+for i in "${POWER_U2[@]}";
+do
+    set_gpio $i;
+done
+
+## Initial PWRGD_U2
+PWRGD_U2=( 161 162 163 164 165 166 167 168 )
+for i in "${PWRGD_U2[@]}";
+do 
+    set_gpio $i;
+    set_gpio_direction $i 'in';
+done
+
+### Initial SSD Power reference U2_PRESNET_N
+for i in {0..7};
+do
+    read_present_set_related_power "${U2_PRESENT[$i]}" "${POWER_U2[$i]}";
+done 
+
+
+exit 0;
+\ No newline at end of file