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Samuel Jiang94ca0612019-03-21 13:47:13 +08001#!/bin/bash
2
Patrick Williams8c226232023-04-15 20:05:21 -05003# shellcheck source=meta-quanta/meta-gsj/recipes-gsj/quanta-nvme-powerctrl/files/nvme_powerctrl_library.sh
Samuel Jiangefc4e1d2019-04-25 14:43:23 +08004source /usr/libexec/nvme_powerctrl_library.sh
5
Samuel Jiang94ca0612019-03-21 13:47:13 +08006function set_gpio() {
7 #$1 gpio pin
Patrick Williams8c226232023-04-15 20:05:21 -05008 echo "$1" > /sys/class/gpio/export
Samuel Jiang94ca0612019-03-21 13:47:13 +08009}
10
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080011echo "Read Clock Gen Value is: $CLOCK_GEN_VALUE"
Samuel Jiang94ca0612019-03-21 13:47:13 +080012
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080013## Initial U2_PRESENT_N
Patrick Williams8c226232023-04-15 20:05:21 -050014for i in "${!U2_PRESENT[@]}";
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080015do
Patrick Williams8c226232023-04-15 20:05:21 -050016 set_gpio "${U2_PRESENT[$i]}";
17 set_gpio_direction "${U2_PRESENT[$i]}" 'in';
18 echo "Read $i SSD present: $(read_gpio_input "${U2_PRESENT[$i]}")"
Samuel Jiang94ca0612019-03-21 13:47:13 +080019done
20
21## Initial POWER_U2_EN
Patrick Williams8c226232023-04-15 20:05:21 -050022for i in "${!POWER_U2[@]}";
Samuel Jiang94ca0612019-03-21 13:47:13 +080023do
Patrick Williams8c226232023-04-15 20:05:21 -050024 set_gpio "${POWER_U2[$i]}";
Samuel Jiang94ca0612019-03-21 13:47:13 +080025done
26
27## Initial PWRGD_U2
Patrick Williams8c226232023-04-15 20:05:21 -050028for i in "${!PWRGD_U2[@]}";
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080029do
Patrick Williams8c226232023-04-15 20:05:21 -050030 set_gpio "${PWRGD_U2[$i]}";
31 set_gpio_direction "${PWRGD_U2[$i]}" 'in';
32 echo "Read $i SSD Power Good: $(read_gpio_input "${PWRGD_U2[$i]}")"
Samuel Jiang94ca0612019-03-21 13:47:13 +080033done
34
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080035## Initial RST_BMC_U2
Patrick Williams8c226232023-04-15 20:05:21 -050036for i in "${!RST_BMC_U2[@]}";
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080037do
Patrick Williams8c226232023-04-15 20:05:21 -050038 set_gpio "${RST_BMC_U2[$i]}";
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080039done
40
41### Initial related Power by Present
Samuel Jiang94ca0612019-03-21 13:47:13 +080042for i in {0..7};
43do
Patrick Williams8c226232023-04-15 20:05:21 -050044 update_value=$(printf '%x\n' "$((0x01 << i))")
45 if [ "$(read_gpio_input "${U2_PRESENT[$i]}")" == $PLUGGED ];then
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080046 CLOCK_GEN_VALUE=$(printf '0x%x\n' \
Patrick Williams8c226232023-04-15 20:05:21 -050047 "$((CLOCK_GEN_VALUE | 0x$update_value))")
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080048 else
Samuel Jiang8e5befe2019-10-02 11:19:39 +080049 set_gpio_direction "${RST_BMC_U2[$i]}" "low"
50 set_gpio_direction "${POWER_U2[$i]}" "low"
Samuel Jiang94ca0612019-03-21 13:47:13 +080051
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080052 CLOCK_GEN_VALUE=$(printf '0x%x\n' \
Patrick Williams8c226232023-04-15 20:05:21 -050053 "$((CLOCK_GEN_VALUE & ~0x$update_value))")
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080054 fi
55done
Patrick Williams8c226232023-04-15 20:05:21 -050056i2cset -y $I2C_BUS $CHIP_ADDR 0 "$CLOCK_GEN_VALUE" s
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080057echo "Read Clock Gen Value again is: $CLOCK_GEN_VALUE"
Samuel Jiang94ca0612019-03-21 13:47:13 +080058
Samuel Jiangefc4e1d2019-04-25 14:43:23 +080059exit 0;