meta-quanta: gsj: Add service for setting hotswap controller
(1)Add a service for setting the value to hotswap controller,
and checking the return value is right.
Signed-off-by: SpencerKu <Spencer.Ku@quantatw.com>
Change-Id: I7715809fd2eefba6560a886360491660c5393098
diff --git a/meta-gsj/recipes-gsj/gsj-hotswap-change-setting/files/gsj-hotswap-change-setting.service b/meta-gsj/recipes-gsj/gsj-hotswap-change-setting/files/gsj-hotswap-change-setting.service
new file mode 100644
index 0000000..ccf4ee1
--- /dev/null
+++ b/meta-gsj/recipes-gsj/gsj-hotswap-change-setting/files/gsj-hotswap-change-setting.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Hotswap Controller Setting Changing
+Before=xyz.openbmc_project.Hwmon@.service
+
+[Service]
+ExecStart=/usr/bin/gsj-hotswap-change-setting.sh
+Restart=no
+Type=oneshot
+RemainAfterExit=true
+StandardOutput=syslog
+
+[Install]
+WantedBy=multi-user.target
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diff --git a/meta-gsj/recipes-gsj/gsj-hotswap-change-setting/files/gsj-hotswap-change-setting.sh b/meta-gsj/recipes-gsj/gsj-hotswap-change-setting/files/gsj-hotswap-change-setting.sh
new file mode 100644
index 0000000..bed745d
--- /dev/null
+++ b/meta-gsj/recipes-gsj/gsj-hotswap-change-setting/files/gsj-hotswap-change-setting.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# Purpose:
+# The purpose of the script is to change the CB/CL ratio setting of the hotswap controller from 1.9x to 3.9x
+
+I2C_BUS=11
+CHIP_ADDR=0x15
+GPIO_ID=91 #Revision ID
+GPIO_BasePath=/sys/class/gpio
+
+function set_hotswap_reg()
+{
+ #set reg "0xd9" bit 3 to 1
+ i2cset -f -y $I2C_BUS $CHIP_ADDR 0xd9 0x08
+}
+
+function get_hotswap_value()
+{
+ #get the value of reg "0xd9", return value should be "0x08"
+ echo "$(i2cget -f -y $I2C_BUS $CHIP_ADDR 0xd9)"
+}
+
+function export_gpio()
+{
+ if [ -d "$GPIO_BasePath/gpio$GPIO_ID" ]; then
+ echo "gpio$GPIO_ID folder exist, skip export."
+ else
+ echo "Export gpio$GPIO_ID..."
+ echo $GPIO_ID > $GPIO_BasePath/export
+ fi
+}
+
+function get_gpio_value()
+{
+ echo "$(cat $GPIO_BasePath/gpio$GPIO_ID/value)"
+}
+
+function setting_hotswap()
+{
+ echo "setting hotswap controller..."
+ set_hotswap_reg
+
+ for i in {0..3};
+ do
+ if [ "$i" == "3" ];then
+ echo "change hotswap controller setting failed after retry 3 times."
+ else
+ hotswap_value=$(get_hotswap_value)
+ echo "get hotswap controller return value : $hotswap_value"
+ if [ "$hotswap_value" == "0x08" ];then
+ echo "change hotswap controller setting success."
+ break;
+ else
+ echo "hotswap controller setting failed, retry $i times..."
+ fi
+ fi
+ done
+}
+
+export_gpio
+gpio_value=$(get_gpio_value)
+if [ "$gpio_value" == "1" ];then
+ echo "gpio$GPIO_ID value is: $gpio_value, setting hotswap."
+ setting_hotswap
+else
+ echo "gpio$GPIO_ID value is: $gpio_value, no need to set hotswap."
+fi
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