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#!/bin/bash -e
set_gpio()
{
NET_NAME=$1
OUT_VAL=$2
mapfile -t -d " " GPIO_INFO < <(gpiofind "$NET_NAME")
if [ "${#GPIO_INFO[@]}" -ne 2 ]; then
echo "set_gpio: can not find gpio, $NET_NAME"
return 1
fi
echo -n "set_gpio: set $NET_NAME = $OUT_VAL"
if ! gpioset "${GPIO_INFO[0]}" "${GPIO_INFO[1]%$'\n'}"="$OUT_VAL"; then
echo " failed"
return 1
fi
echo " success"
return 0
}
set_fan()
{
FAN_ID=$1
FAN_DUTY=$2
SYSFA_PWM_PATH=""
for file in /sys/devices/platform/pwm-fan"$FAN_ID"/hwmon/hwmon*/pwm1
do
if [ -e "$file" ]; then
SYSFA_PWM_PATH="$file"
break
fi
done
if [ -z "$SYSFA_PWM_PATH" ]; then
echo "set_fan: pwm file not found, chekc fan id ($FAN_ID)"
return 1
fi
if [ "$FAN_DUTY" -lt 0 ] || [ "$FAN_DUTY" -gt 100 ]; then
echo "set_fan: incorrect fan duty, $FAN_DUTY"
return 1
fi
# convert duty (0-100) to pwm value (0-255)
PWM_VAL=$(printf "%.0f" $((FAN_DUTY*255/100)))
echo -n "set_fan: set fan$FAN_ID = $FAN_DUTY"
if ! echo "$PWM_VAL" > "$SYSFA_PWM_PATH"; then
echo " failed"
return 1
fi
echo " success"
return 0
}
# set initial value for GPIO output pins
set_gpio SEL_SPI2_MUX 1
set_gpio SPI2_MUX1 1
set_gpio SPI2_MUX2 1
set_gpio SPI2_MUX3 1
set_gpio SWITCH_FRU_MUX 1
set_gpio BAT_DETECT 1
set_gpio BMC_BT_WP0 1
set_gpio BMC_BT_WP1 1
set_gpio USB2_SEL0_A 1
set_gpio USB2_SEL1_A 1
set_gpio USB2_SEL0_B 1
set_gpio USB2_SEL1_B 1
set_gpio RST_FRONT_IOEXP 1
set_gpio BSM_FLASH_LATCH 1
# set initial duty value for each fan
set_fan 0 70
set_fan 1 70
set_fan 2 70
set_fan 3 70
exit 0;
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