meta-facebook/meta-yosemite4/recipes-yosemite4/plat-svc/files/yosemite4-early-sys-init

#!/bin/bash
# shellcheck source=meta-facebook/meta-yosemite4/recipes-yosemite4/plat-tool/files/yosemite4-common-functions
source /usr/libexec/yosemite4-common-functions

is_nuvoton_board="$(check_nuvoton_board)"

enable_all_fan_input()
{
    # There is no fan_enable for 2nd source Fan IC: NCT7363
    if find /sys/bus/i2c/devices/*/hwmon/*/fan*_enable -print -quit 2>/dev/null | grep -q .; then
      for file in /sys/bus/i2c/devices/*/hwmon/*/fan*_enable
      do
        echo 1 > "${file}"
      done
    fi
}

set_sd_bic_interface_to_i3c()
{
    for host_bus in $(seq 0 7);
    do
      GPIOCHIP=$(basename /sys/bus/i2c/devices/"$host_bus"-0023/*gpiochip*)
      if [ "$GPIOCHIP" != "*gpiochip*" ]; then
        gpioset "$GPIOCHIP" 24=1
      fi
    done
}

# set initial value for GPIO output pins
set_gpio EN_P5V_USB_CPLD_R    1
set_gpio EN_NIC0_POWER_BMC_R  1
set_gpio EN_NIC1_POWER_BMC_R  1
set_gpio EN_NIC2_POWER_BMC_R  1
set_gpio EN_NIC3_POWER_BMC_R  1
set_gpio FM_BMC_RTCRST_R      0
set_gpio RST_USB_HUB_R_N      1
set_gpio FM_BMC_READY_R2      1
set_gpio SPI_LOCK_REQ_BMC_N   1
set_gpio EN_P3V_BAT_SCALED_R  0
set_gpio FM_BMC_SLED_CYCLE_R  0

set_gpio NIC0_MAIN_PWR_EN 1
set_gpio NIC1_MAIN_PWR_EN 1
set_gpio NIC2_MAIN_PWR_EN 1
set_gpio NIC3_MAIN_PWR_EN 1

if [ -z "$is_nuvoton_board" ]
then
    # short-term set gpio v0~v3 to input pin for slot5~8 reset button
    if [ ! -c "/dev/mem" ]; then
        mknod -m 660 /dev/mem c 1 1
    fi
    chown root:kmem /dev/mem
    devmem 0x1e78008c 32 0x19000000

    # adjust the i2c clock duty cycle for bus 11
    devmem 0x1E78A604 32 0x00487006
fi

# Enable all fan input as early as possible
enable_all_fan_input

if [ -n "$is_nuvoton_board" ]
then
    # Set interface to SD BIC to I3C for Nuvoton BMC
    set_sd_bic_interface_to_i3c
fi

exit 0