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#!/bin/bash
get_gpio()
{
local NET_NAME=$1
local RET_VAL
mapfile -t -d " " GPIO_INFO < <(gpiofind "$NET_NAME")
if [ "${#GPIO_INFO[@]}" -ne 2 ]; then
echo "get_gpio: can not find gpio, $NET_NAME" >&2
return 1
fi
if ! RET_VAL=$(gpioget "${GPIO_INFO[0]}" "${GPIO_INFO[1]%$'\n'}") ; then
echo "get_gpio: get ${NET_NAME} failed" >&2
return 1
fi
echo "${RET_VAL}"
return 0
}
set_gpio()
{
local NET_NAME=$1
local 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
}
is_sled_present()
{
local SLED_ID=$1
local SRV_NAME="xyz.openbmc_project.Inventory.Manager"
local OBJ_PATH="/xyz/openbmc_project/inventory/system/chassis/presence/presence_sled${SLED_ID}"
local INTF_NAME="xyz.openbmc_project.Inventory.Item"
local PRST_VAL
PRST_VAL=$(busctl get-property "${SRV_NAME}" "${OBJ_PATH}" "${INTF_NAME}" Present | awk '{print $2}')
if [ "$PRST_VAL" != "true" ]; then
# not present
return 1
fi
# present
return 0
}
spi2_mux_select()
{
local SLED_INDEX="$1"
if [ "$SLED_INDEX" = "0" ]; then
set_gpio SEL_SPI2_MUX 1
set_gpio SPI2_MUX1 1
set_gpio SPI2_MUX2 1
set_gpio SPI2_MUX3 1
elif [ "$SLED_INDEX" = "1" ]; then
set_gpio SEL_SPI2_MUX 0
set_gpio SPI2_MUX1 0
set_gpio SPI2_MUX2 1
set_gpio SPI2_MUX3 1
elif [ "$SLED_INDEX" = "2" ]; then
set_gpio SEL_SPI2_MUX 1
set_gpio SPI2_MUX1 0
set_gpio SPI2_MUX2 1
set_gpio SPI2_MUX3 1
elif [ "$SLED_INDEX" = "3" ]; then
set_gpio SEL_SPI2_MUX 0
set_gpio SPI2_MUX1 1
set_gpio SPI2_MUX2 0
set_gpio SPI2_MUX3 1
elif [ "$SLED_INDEX" = "4" ]; then
set_gpio SEL_SPI2_MUX 1
set_gpio SPI2_MUX1 1
set_gpio SPI2_MUX2 0
set_gpio SPI2_MUX3 1
elif [ "$SLED_INDEX" = "5" ]; then
set_gpio SEL_SPI2_MUX 0
set_gpio SPI2_MUX1 1
set_gpio SPI2_MUX2 1
set_gpio SPI2_MUX3 0
elif [ "$SLED_INDEX" = "6" ]; then
set_gpio SEL_SPI2_MUX 1
set_gpio SPI2_MUX1 1
set_gpio SPI2_MUX2 1
set_gpio SPI2_MUX3 0
else
echo "set_spi2_mux: unknow sled index ($SLED_INDEX)"
return 1
fi
return 0
}
bind_spi2_pnor()
{
local SLED_INDEX="$1"
if ! spi2_mux_select "$SLED_INDEX"; then
return 1
fi
if ! echo -n spi1.0 > /sys/bus/spi/drivers/spi-nor/bind; then
echo "Error: flash bind failed"
return 1
fi
return 0
}
unbind_spi2_pnor()
{
echo -n spi1.0 > /sys/bus/spi/drivers/spi-nor/unbind
spi2_mux_select 0
return 0
}
find_mtd()
{
m=$(grep -xl "$1" /sys/class/mtd/*/name)
m=${m%/name}
m=${m##*/}
echo "$m"
}
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