Initial commit

meta-quanta/meta-q71l/recipes-phosphor/quanta-powerctrl/files/init_once.sh

@@ -0,0 +1,32 @@
+#!/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 1 > "/sys/class/gpio/gpio$1/active_low"
+  echo "$2" > "/sys/class/gpio/gpio$1/direction"
+}
+
+GPIO_BASE=$(cat /sys/devices/platform/ahb/ahb:apb/1e780000.gpio/gpio/*/base)
+
+# FM_BMC_READY_N, GPIO Q4, active low
+set_gpio_active_low $((GPIO_BASE + 128 + 4)) high
+
+# FM_BMC_SSB_SMI_LPC_N, GPIO Q6, active low
+set_gpio_active_low $((GPIO_BASE + 128 + 6)) high
+
+# FM_BMC_SYS_THROTTLE_N, GPIO A3, active low
+set_gpio_active_low $((GPIO_BASE + 0 + 3)) high
+
+# FM_BMC_SSB_SCI_LPC_N, GPIO E4, active low
+set_gpio_active_low $((GPIO_BASE + 32 + 4)) high
+
+# FP_PWR_BTN_PASS_R_N, GPIO D3, active low
+set_gpio_active_low $((GPIO_BASE + 24 + 3)) high
+
+exit 0;