Linux/AM3358: U-boot USB error

#!/bin/bash
#
# Util to check USB subsystem for Linux kernel 3.12+ on TI Sitara devices
#
# Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
#
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#
#    Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#    Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the
#    distribution.
#
#    Neither the name of Texas Instruments Incorporated nor the names of
#    its contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
#  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

VERSION=0.2.4


### functions ###

# $1 command to be checked
check_command() {
    local _cmd=$1

    which $_cmd > /dev/null || {
        echo "Error: $_cmd command not found"
        exit 1
    }
}

# check if the kernel is supported
# this tool only runs on v3.12+ kernel
# return 0 - if kernel version >= 3.12
#        1 - if kernel version < 3.12
has_supported_kernel() {
	local _ver
	local _t

    check_command uname
    uname -a
	_ver=`uname -r`
    _t=${_ver%%.*}
    # 2.x.x, unsupported
    [ $_t -ge 3 ] || return 1
    # 4.x.x, supported
    [ $_t -lt 4 ] || return 0

    _ver=${_ver#*.}
    _t=${_ver%%.*}
    # < 3.12.x, unsupported
    [ $_t -ge 12 ] || return 1
    return 0
}

# check if the platform is supported
#    $PLATFORM - global variable
# return 0 - if platform is supported
#        1 - if platform is not supported
check_platform () {
	local _hw

    check_command grep
    [ "$PLATFORM" != "" ] || {
	    _hw=`grep '^Hardware' /proc/cpuinfo`
	    DBG_PRINT $_hw

        if [ "${_hw#*AM33XX}" != "$_hw" ]; then
            PLATFORM="am335x"
        elif [ "${_hw#*AM43}" != "$_hw" ]; then
            PLATFORM="am437x"
        elif [ "${_hw#*DRA7}" != "$_hw" ]; then
            PLATFORM="am57x"
        elif [ "${_hw#*Keystone}" != "$_hw" ]; then
            PLATFORM="keystone"
        else
            PLATFORM="unknown"
        fi
    }

    DBG_PRINT $PLATFORM
    case $PLATFORM in
        "am335x")
            USB0='usb@47400000/usb@47401000'
            USB1='usb@47400000/usb@47401800'
            return 0;;
        "am437x")
            USB0='omap_dwc3@48380000/usb@48390000'
            USB1='omap_dwc3@483c0000/usb@483d0000'
            return 0;;
        "am57x")
            USB0='omap_dwc3_1@48880000/usb@48890000'
            USB1='omap_dwc3_2@488c0000/usb@488d0000'
            return 0;;
        "keystone")
            USB0='omap_dwc3_1@48880000/usb@48890000'
            USB1='omap_dwc3_2@488c0000/usb@488d0000'
            return 0;;
        *)
            echo "Unsupported $PLATFORM"
            return 1;;
    esac
}

# check a kernel CONFIG option
# params $1 - the config option
#        $2 = '-q', quiet output
# return 0 - undefined
#        1 - defined as 'm', kernel module
#        2 - defined as 'y', kernel builtin
check_kernel_config() {
    local _cfg

    [ -n "$1" ] || return 0
    check_command zcat
    _cfg=`zcat /proc/config.gz | grep "^$1\>"`

    case ${_cfg#*=} in
        "y") return 2;;
        "m") return 1;;
          *) [ "$2" = "-q" ] ||
              echo "Error: $1 is undefined in kernel config"
          return 0;;
    esac
}

# check a kernel module
# $1 - module name, relative path from drivers/, with .ko surfix
# return 0 - found
#        1 - error
check_module() {
    local _modname
    local _moddep

    [ -n "$1" ] || return 1

    _modname="/lib/modules/`uname -r`/kernel/drivers/${1}.ko"
    _moddep="/lib/modules/`uname -r`/modules.dep"

    DBG_PRINT 1
    [ -f $_modname ] || {
        echo "Error: $_modname not found."
        echo "       Please ensure 'make module_install' is done properly."
        return 1
    }

    DBG_PRINT 2
    [ -f $_moddep ] || $moddep_checked || {
        echo "Error: $_moddep not found."
        echo "       Please ensure 'make module_install' is done properly."
        moddep_checked=true
    }

    DBG_PRINT 3
    check_command lsmod
    check_command basename
    check_command tr

    lsmod | grep `basename $1 | tr '-' '_'` > /dev/null || {
        DBG_PRINT ">>>> ${1}.ko:"
        if grep "${1}.ko:" $_moddep > /dev/null; then
            DBG_PRINT 5
            echo "Error: $_moddep seems to be valid,"
            echo "       but `basename $1`.ko is not loaded."
            echo "       Please provide /proc/config.gz and /lib/module/`uname -r`/*"
            echo "       for further investigation."
        else
            DBG_PRINT 6
            echo "Error: `basename $1`: $_moddep is invalid."
            echo "       Please run command 'depmod' on the target to re-generate it,"
            echo "       then reboot the target. If the issue still exists, please"
            echo "       ensure 'make module_install' is done properly."
        fi

        DBG_PRINT 7
        return 1
    }
    DBG_PRINT 8
    return 0
}

# check kernel config, and modules (if CONFIG_*=M) for musb
check_musb_drivers() {
    check_kernel_config CONFIG_USB_MUSB_HDRC
    [ $? != 1 ] || check_module 'usb/musb/musb_hdrc'

    check_kernel_config CONFIG_USB_MUSB_DUAL_ROLE -q
    [ $? != 0 ] || echo "Warning: CONFIG_USB_MUSB_DUAL_ROLE undefined."

    check_kernel_config CONFIG_USB_MUSB_DSPS
    [ $? != 1 ] || {
        check_module 'usb/musb/musb_dsps'
        check_module 'usb/musb/musb_am335x'
    }

    check_kernel_config CONFIG_AM335X_PHY_USB
    [ $? != 1 ] || {
        check_module 'usb/phy/phy-am335x'
        check_module 'usb/phy/phy-am335x-control'
    }

    check_kernel_config CONFIG_MUSB_PIO_ONLY -q
    [ $? != 0 ] || {
       if check_kernel_config CONFIG_TI_CPPI41 -q; then
           echo "Error: MUSB CPPI DMA mode is enabled, but CPPI moudle is not enabled in DMA Engine."
           echo "       Please enable CONFIG_TI_CPPI41 under DMA Engine Support in kernel config."
       fi
    }
}

# check kernel config, and modules (if CONFIG_*=M) for dwc3
check_dwc3_drivers() {
    check_kernel_config CONFIG_USB_DWC3
    [ $? != 1 ] || check_module 'usb/dwc3/dwc3'

    check_kernel_config CONFIG_USB_DWC3_DUAL_ROLE -q
    [ $? != 0 ] || echo "Warning: CONFIG_USB_DWC3_DUAL_ROLE undefined."

    check_kernel_config CONFIG_USB_OTG -q
    [ $? != 0 ] || echo "Warning: CONFIG_USB_OTG undefined, which is required for DRD mode."

    check_kernel_config CONFIG_USB_DWC3_OMAP
    [ $? != 1 ] || check_module 'usb/dwc3/dwc3-omap'

    check_kernel_config CONFIG_USB_XHCI_HCD
    [ $? != 1 ] || {
        check_module 'usb/host/xhci-plat-hcd'
        check_module 'usb/host/xhci-hcd'
    }

    check_kernel_config CONFIG_OMAP_CONTROL_PHY
    [ $? != 1 ] || check_module 'phy/phy-omap-control'

    if [ $PLATFORM = am437x ]; then
        check_kernel_config CONFIG_OMAP_USB2
        [ $? != 1 ] || check_module 'phy/phy-omap-usb2'
    else
        check_kernel_config CONFIG_TI_PIPE3
        [ $? != 1 ] || check_module 'phy/phy-ti-pipe3'
    fi
}

### debug ###

g_log_file=/tmp/chkusb.log

DBG_ENABLE() { g_dbg_enabled=true; }
DBG_DISABLE() { g_dbg_enabled=false; }
DBG_LOG_RESET() { ! $g_dbg_enabled || echo > $g_log_file; }
DBG_PRINT() { ! $g_dbg_enabled || echo "$(date +%H:%M:%S) [$(basename $0)]: $*"; }
DBG_LOG() { DBG_PRINT $* >> $g_log_file; }
DBG_LOG_MARK() { DBG_PRINT "----------------" >> $g_log_file; }


### main ####

moddep_checked=false

echo "chkusb.sh Version $VERSION"

[ "$V" = "1" ] && DBG_ENABLE && DBG_LOG_RESET || DBG_DISABLE

has_supported_kernel ||
    { echo "Unsupported kernel version: `uname -r`"; exit 1; }
check_platform || exit 2
DBG_PRINT device: $PLATFORM

check_command lsusb
if lsusb > /dev/null 2>&1; then
    echo "USB is initialized"
else
    echo "USB initialization failed"

    # failed, continue checking
    [ -f /proc/config.gz ] ||
        { echo "Error: /proc/config.gz not found"; exit 4; }

    case $PLATFORM in
        am335x) check_musb_drivers;;
        am437x | am57x | keystone) check_dwc3_drivers;;
        *)
            echo "Error: unsupported platform $PLATFORM"
            exit 5;;
    esac
fi

# check dr_mode & gadget drivers

[ -d /proc/device-tree ] || {
    echo "Warning: /proc/device-tree/ not found"
    if [ -d "/lib/modules/`uname -r`/" ]; then
        echo "The list of USB gadget drivers installed:"
        ls -1Rp "/lib/modules/`uname -r`/kernel/drivers/usb/gadget/"
    fi
    exit 0
}

check_command basename
for _usb in "${USB0}" "${USB1}"; do
    _usb_dir="/proc/device-tree/ocp/${_usb}"
    _status=`cat $_usb_dir/status 2> /dev/null`
    _dr_mode=`cat $_usb_dir/dr_mode`
    echo `basename $_usb`: $_dr_mode, $_status

    [ "$_status" = "disabled" -o "$_dr_mode" = "host" ] || gadget_mode=true
done

DBG_PRINT $gadget_mode
$gadget_mode || exit 0

echo

check_kernel_config CONFIG_USB_LIBCOMPOSITE
case $? in
    0) echo "Error: no any gadget driver enabled"
       exit 6;;
    1) is_gadget_builtin=false;;
    2) echo "The gadget driver is built-in"
       is_gadget_builtin=true;;
esac

check_kernel_config CONFIG_USB_ZERO -q ||
    echo "Gadget Kernel Config: g_zero is enabled"
check_kernel_config CONFIG_USB_AUDIO -q ||
    echo "Gadget Kernel Config: g_audio is enabled"
check_kernel_config CONFIG_USB_ETH -q ||
    echo "Gadget Kernel Config: g_ether is enabled"
check_kernel_config CONFIG_USB_G_NCM -q ||
    echo "Gadget Kernel Config: g_ncm is enabled"
check_kernel_config CONFIG_USB_MASS_STORAGE -q ||
    echo "Gadget Kernel Config: g_mass_storage is enabled"
check_kernel_config CONFIG_USB_G_SERIAL -q ||
    echo "Gadget Kernel Config: g_serial is enabled"
check_kernel_config CONFIG_USB_G_PRINTER -q ||
    echo "Gadget Kernel Config: g_printer is enabled"

g_driver=`grep '^DRIVER=' /sys/class/udc/*/uevent 2>/dev/null`
echo "gadget driver loaded: ${g_driver:-(none)}"

echo

if ! $is_gadget_builtin; then
    if [ -d "/lib/modules/`uname -r`/" ]; then
        echo "The list of USB gadget drivers installed:"
        ls -1Rp "/lib/modules/`uname -r`/kernel/drivers/usb/gadget/"
    else
        echo "Error: /lib/modules/`uname -r`/ not found"
        echo "       Please ensure 'make modules_install' is done properly."
        exit 7
    fi
fi

# vim: ft=sh:ts=4:sw=4:et

#!/bin/bash
#
# Util to check USB subsystem for Linux kernel 3.12+ on TI Sitara devices
#
# Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
#
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#
#    Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#    Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the
#    distribution.
#
#    Neither the name of Texas Instruments Incorporated nor the names of
#    its contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
#  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

VERSION=0.2.5


### functions ###

# $1 command to be checked
check_command() {
    local _cmd=$1

    which $_cmd > /dev/null || {
        echo "Error: $_cmd command not found"
        exit 1
    }
}

# check if the kernel is supported
# this tool only runs on v3.12+ kernel
# return 0 - if kernel version >= 3.12
#        1 - if kernel version < 3.12
has_supported_kernel() {
	local _ver
	local _t

    check_command uname
    uname -a
	_ver=`uname -r`
    _t=${_ver%%.*}
    # 2.x.x, unsupported
    [ $_t -ge 3 ] || return 1
    # 4.x.x, supported
    [ $_t -lt 4 ] || return 0

    _ver=${_ver#*.}
    _t=${_ver%%.*}
    # < 3.12.x, unsupported
    [ $_t -ge 12 ] || return 1
    return 0
}

# check if the platform is supported
#    $PLATFORM - global variable
# return 0 - if platform is supported
#        1 - if platform is not supported
check_platform () {
	local _hw

    check_command grep
    [ "$PLATFORM" != "" ] || {
	    _hw=`grep '^Hardware' /proc/cpuinfo`
	    DBG_PRINT $_hw

        if [ "${_hw#*AM33XX}" != "$_hw" ]; then
            PLATFORM="am335x"
        elif [ "${_hw#*AM43}" != "$_hw" ]; then
            PLATFORM="am437x"
        elif [ "${_hw#*DRA7}" != "$_hw" ]; then
            PLATFORM="am57x"
        elif [ "${_hw#*Keystone}" != "$_hw" ]; then
            PLATFORM="keystone"
        else
            PLATFORM="unknown"
        fi
    }

    DBG_PRINT $PLATFORM
    case $PLATFORM in
        "am335x")
            USB0='usb@47400000/usb@47401000'
            USB1='usb@47400000/usb@47401800'
            return 0;;
        "am437x")
            USB0='omap_dwc3@48380000/usb@48390000'
            USB1='omap_dwc3@483c0000/usb@483d0000'
            return 0;;
        "am57x")
            USB0='omap_dwc3_1@48880000/usb@48890000'
            USB1='omap_dwc3_2@488c0000/usb@488d0000'
            return 0;;
        "keystone")
            USB0='omap_dwc3_1@48880000/usb@48890000'
            USB1='omap_dwc3_2@488c0000/usb@488d0000'
            return 0;;
        *)
            echo "Unsupported $PLATFORM"
            return 1;;
    esac
}

# check a kernel CONFIG option
# params $1 - the config option
#        $2 = '-q', quiet output
# return 0 - undefined
#        1 - defined as 'm', kernel module
#        2 - defined as 'y', kernel builtin
check_kernel_config() {
    local _cfg

    [ -n "$1" ] || return 0
    check_command zcat
    _cfg=`zcat /proc/config.gz | grep "^$1\>"`

    case ${_cfg#*=} in
        "y") return 2;;
        "m") return 1;;
          *) [ "$2" = "-q" ] ||
              echo "Error: $1 is undefined in kernel config"
          return 0;;
    esac
}

# check a kernel module
# $1 - module name, relative path from drivers/, with .ko surfix
# return 0 - found
#        1 - error
check_module() {
    local _modname
    local _moddep

    [ -n "$1" ] || return 1

    _modname="/lib/modules/`uname -r`/kernel/drivers/${1}.ko"
    _moddep="/lib/modules/`uname -r`/modules.dep"

    DBG_PRINT 1
    [ -f $_modname ] || {
        echo "Error: $_modname not found."
        echo "       Please ensure 'make module_install' is done properly."
        return 1
    }

    DBG_PRINT 2
    [ -f $_moddep ] || $moddep_checked || {
        echo "Error: $_moddep not found."
        echo "       Please ensure 'make module_install' is done properly."
        moddep_checked=true
    }

    DBG_PRINT 3
    check_command lsmod
    check_command basename
    check_command tr

    lsmod | grep `basename $1 | tr '-' '_'` > /dev/null || {
        DBG_PRINT ">>>> ${1}.ko:"
        if grep "${1}.ko:" $_moddep > /dev/null; then
            DBG_PRINT 5
            echo "Error: $_moddep seems to be valid,"
            echo "       but `basename $1`.ko is not loaded."
            echo "       Please provide /proc/config.gz and /lib/module/`uname -r`/*"
            echo "       for further investigation."
        else
            DBG_PRINT 6
            echo "Error: `basename $1`: $_moddep is invalid."
            echo "       Please run command 'depmod' on the target to re-generate it,"
            echo "       then reboot the target. If the issue still exists, please"
            echo "       ensure 'make module_install' is done properly."
        fi

        DBG_PRINT 7
        return 1
    }
    DBG_PRINT 8
    return 0
}

# check kernel config, and modules (if CONFIG_*=M) for musb
check_musb_drivers() {
    check_kernel_config CONFIG_USB_MUSB_HDRC
    [ $? != 1 ] || check_module 'usb/musb/musb_hdrc'

    check_kernel_config CONFIG_USB_MUSB_DUAL_ROLE -q
    [ $? != 0 ] || echo "Warning: CONFIG_USB_MUSB_DUAL_ROLE undefined."

    check_kernel_config CONFIG_USB_MUSB_DSPS
    [ $? != 1 ] || {
        check_module 'usb/musb/musb_dsps'
        check_module 'usb/musb/musb_am335x'
    }

    check_kernel_config CONFIG_AM335X_PHY_USB
    [ $? != 1 ] || {
        check_module 'usb/phy/phy-am335x'
        check_module 'usb/phy/phy-am335x-control'
    }

    check_kernel_config CONFIG_MUSB_PIO_ONLY -q
    [ $? != 0 ] || {
       if check_kernel_config CONFIG_TI_CPPI41 -q; then
           echo "Error: MUSB CPPI DMA mode is enabled, but CPPI moudle is not enabled in DMA Engine."
           echo "       Please enable CONFIG_TI_CPPI41 under DMA Engine Support in kernel config."
       fi
    }
}

# check kernel config, and modules (if CONFIG_*=M) for dwc3
check_dwc3_drivers() {
    check_kernel_config CONFIG_USB_DWC3
    [ $? != 1 ] || check_module 'usb/dwc3/dwc3'

    check_kernel_config CONFIG_USB_DWC3_DUAL_ROLE -q
    [ $? != 0 ] || echo "Warning: CONFIG_USB_DWC3_DUAL_ROLE undefined."

    check_kernel_config CONFIG_USB_OTG -q
    [ $? != 0 ] || echo "Warning: CONFIG_USB_OTG undefined, which is required for DRD mode."

    check_kernel_config CONFIG_USB_DWC3_OMAP
    [ $? != 1 ] || check_module 'usb/dwc3/dwc3-omap'

    check_kernel_config CONFIG_USB_XHCI_HCD
    [ $? != 1 ] || {
        check_module 'usb/host/xhci-plat-hcd'
        check_module 'usb/host/xhci-hcd'
    }

    check_kernel_config CONFIG_OMAP_CONTROL_PHY
    [ $? != 1 ] || check_module 'phy/phy-omap-control'

    if [ $PLATFORM = am437x ]; then
        check_kernel_config CONFIG_OMAP_USB2
        [ $? != 1 ] || check_module 'phy/phy-omap-usb2'
    else
        check_kernel_config CONFIG_TI_PIPE3
        [ $? != 1 ] || check_module 'phy/phy-ti-pipe3'
    fi
}

check_musb_dt() {
    local _dt_dir='/proc/device-tree/ocp/usb@47400000'
    local _ent='. control@44e10620 usb-phy@47401300 usb-phy@47401b00 dma-controller@47402000'
    local _sts

    for _t in $_ent; do
        _sts=$(cat ${_dt_dir}/${_t}/status)
        [ "$_sts" != "disabled" ] ||
            echo $_t: $(cat ${_dt_dir}/${_t}/status)
    done
}

### debug ###

g_log_file=/tmp/chkusb.log

DBG_ENABLE() { g_dbg_enabled=true; }
DBG_DISABLE() { g_dbg_enabled=false; }
DBG_LOG_RESET() { ! $g_dbg_enabled || echo > $g_log_file; }
DBG_PRINT() { ! $g_dbg_enabled || echo "$(date +%H:%M:%S) [$(basename $0)]: $*"; }
DBG_LOG() { DBG_PRINT $* >> $g_log_file; }
DBG_LOG_MARK() { DBG_PRINT "----------------" >> $g_log_file; }


### main ####

moddep_checked=false

echo "chkusb.sh Version $VERSION"

[ "$V" = "1" ] && DBG_ENABLE && DBG_LOG_RESET || DBG_DISABLE

has_supported_kernel ||
    { echo "Unsupported kernel version: `uname -r`"; exit 1; }
check_platform || exit 2
DBG_PRINT device: $PLATFORM

check_command lsusb
if lsusb > /dev/null 2>&1; then
    echo "USB is initialized"
else
    echo "USB initialization failed"

    # failed, continue checking
    [ -f /proc/config.gz ] ||
        { echo "Error: /proc/config.gz not found"; exit 4; }

    case $PLATFORM in
        am335x) check_musb_drivers;;
        am437x | am57x | keystone) check_dwc3_drivers;;
        *)
            echo "Error: unsupported platform $PLATFORM"
            exit 5;;
    esac
fi

# check dr_mode & gadget drivers

[ -d /proc/device-tree ] || {
    echo "Warning: /proc/device-tree/ not found"
    if [ -d "/lib/modules/`uname -r`/" ]; then
        echo "The list of USB gadget drivers installed:"
        ls -1Rp "/lib/modules/`uname -r`/kernel/drivers/usb/gadget/"
    fi
    exit 0
}

check_command basename
for _usb in "${USB0}" "${USB1}"; do
    _usb_dir="/proc/device-tree/ocp/${_usb}"
    _status=`cat $_usb_dir/status 2> /dev/null`
    _dr_mode=`cat $_usb_dir/dr_mode`
    echo `basename $_usb`: $_dr_mode, $_status

    [ "$_status" = "disabled" -o "$_dr_mode" = "host" ] || gadget_mode=true
done

case $PLATFORM in
    am335x) check_musb_dt;;
    *) ;;
esac

DBG_PRINT $gadget_mode
$gadget_mode || exit 0

echo

check_kernel_config CONFIG_USB_LIBCOMPOSITE
case $? in
    0) echo "Error: no any gadget driver enabled"
       exit 6;;
    1) is_gadget_builtin=false;;
    2) echo "The gadget driver is built-in"
       is_gadget_builtin=true;;
esac

check_kernel_config CONFIG_USB_ZERO -q ||
    echo "Gadget Kernel Config: g_zero is enabled"
check_kernel_config CONFIG_USB_AUDIO -q ||
    echo "Gadget Kernel Config: g_audio is enabled"
check_kernel_config CONFIG_USB_ETH -q ||
    echo "Gadget Kernel Config: g_ether is enabled"
check_kernel_config CONFIG_USB_G_NCM -q ||
    echo "Gadget Kernel Config: g_ncm is enabled"
check_kernel_config CONFIG_USB_MASS_STORAGE -q ||
    echo "Gadget Kernel Config: g_mass_storage is enabled"
check_kernel_config CONFIG_USB_G_SERIAL -q ||
    echo "Gadget Kernel Config: g_serial is enabled"
check_kernel_config CONFIG_USB_G_PRINTER -q ||
    echo "Gadget Kernel Config: g_printer is enabled"

g_driver=`grep '^DRIVER=' /sys/class/udc/*/uevent 2>/dev/null`
echo "gadget driver loaded: ${g_driver:-(none)}"

echo

if ! $is_gadget_builtin; then
    if [ -d "/lib/modules/`uname -r`/" ]; then
        echo "The list of USB gadget drivers installed:"
        ls -1Rp "/lib/modules/`uname -r`/kernel/drivers/usb/gadget/"
    else
        echo "Error: /lib/modules/`uname -r`/ not found"
        echo "       Please ensure 'make modules_install' is done properly."
        exit 7
    fi
fi

# vim: ft=sh:ts=4:sw=4:et

DeviceName AM335x_SR2.x_SR1.0
0x44e00000 0x00000102
0x44e00004 0x0000000A
0x44e00008 0x00000102
0x44e0000c 0x00000012
0x44e00010 0x00070000
0x44e00014 0x00070000
0x44e00018 0x00070000
0x44e0001c 0x00030000
0x44e00020 0x00070000
0x44e00024 0x00030000
0x44e00028 0x00030000
0x44e0002c 0x00000002
0x44e00030 0x00000002
0x44e00034 0x00030000
0x44e00038 0x00030000
0x44e0003c 0x00030000
0x44e00040 0x00030000
0x44e00044 0x00030000
0x44e00048 0x00030000
0x44e0004c 0x00030000
0x44e00050 0x00030000
0x44e00054 0x00030000
0x44e00058 0x00030000
0x44e00060 0x00000002
0x44e00064 0x00000002
0x44e00068 0x00030000
0x44e0006c 0x00030000
0x44e00070 0x00030000
0x44e00074 0x00030000
0x44e00078 0x00030000
0x44e0007c 0x00030000
0x44e00080 0x00030000
0x44e00084 0x00030000
0x44e00088 0x00030000
0x44e0008c 0x00030000
0x44e00090 0x00030000
0x44e00094 0x00030000
0x44e00098 0x00030000
0x44e0009c 0x00030000
0x44e000a0 0x00030000
0x44e000a4 0x00030000
0x44e000a8 0x00030000
0x44e000ac 0x00030000
0x44e000b0 0x00030000
0x44e000b4 0x00030000
0x44e000b8 0x00030000
0x44e000bc 0x00030000
0x44e000c0 0x00030000
0x44e000c4 0x00030000
0x44e000c8 0x00030000
0x44e000cc 0x00030000
0x44e000d0 0x00000002
0x44e000d4 0x00030000
0x44e000d8 0x00030000
0x44e000dc 0x00000002
0x44e000e0 0x00000002
0x44e000e4 0x00040002
0x44e000e8 0x00070000
0x44e000ec 0x00030000
0x44e000f0 0x00030000
0x44e000f4 0x00030000
0x44e000f8 0x00030000
0x44e000fc 0x00030000
0x44e00100 0x00030000
0x44e00104 0x00030000
0x44e0010c 0x00030000
0x44e00110 0x00030000
0x44e0011c 0x0000000A
0x44e00120 0x00000002
0x44e00124 0x00070000
0x44e00128 0x00030000
0x44e0012c 0x00000012
0x44e00130 0x00040002
0x44e00134 0x00030000
0x44e00138 0x00030000
0x44e0013c 0x00030000
0x44e00140 0x00000002
0x44e00144 0x00000002
0x44e00148 0x00000002
0x44e0014c 0x00030000
0x44e00150 0x00000002
0x44e00400 0x00000616
0x44e00404 0x00000002
0x44e00408 0x00030000
0x44e0040c 0x00000002
0x44e00410 0x00000002
0x44e00414 0x52580002
0x44e00418 0x0000001E
0x44e0041c 0x00000000
0x44e00420 0x00000100
0x44e00424 0x00000000
0x44e00428 0x00000000
0x44e0042c 0x00000000
0x44e00430 0x00000000
0x44e00434 0x00000100
0x44e00438 0x00000000
0x44e0043c 0x00000000
0x44e00440 0x00000000
0x44e00444 0x00000000
0x44e00448 0x00000100
0x44e0044c 0x00000000
0x44e00450 0x00000000
0x44e00454 0x00000000
0x44e00458 0x00000000
0x44e0045c 0x00000100
0x44e00460 0x00000000
0x44e00464 0x00000000
0x44e00468 0x00000000
0x44e0046c 0x00000000
0x44e00470 0x00000100
0x44e00474 0x00000000
0x44e00478 0x00000000
0x44e0047c 0x00000000
0x44e00480 0x00000204
0x44e00484 0x00000004
0x44e00488 0x00000004
0x44e0048c 0x00000004
0x44e00490 0x00000004
0x44e00494 0x00000004
0x44e00498 0x00000004
0x44e0049c 0x00000000
0x44e004a0 0x00000001
0x44e004a4 0x00000001
0x44e004a8 0x00000201
0x44e004ac 0x00000081
0x44e004b0 0x00040002
0x44e004b4 0x00030000
0x44e004b8 0x00030000
0x44e004bc 0x00030000
0x44e004c0 0x00030000
0x44e004c4 0x00030000
0x44e004c8 0x00030000
0x44e004cc 0x00000006
0x44e004d0 0x00000002
0x44e004d4 0x00000002
0x44e004d8 0x00000004
0x44e00504 0x00000001
0x44e00508 0x00000001
0x44e0050c 0x00000000
0x44e00510 0x00000001
0x44e00514 0x00000004
0x44e00518 0x00000001
0x44e0051c 0x00000000
0x44e00520 0x00000000
0x44e00528 0x00000000
0x44e0052c 0x00000000
0x44e00530 0x00000000
0x44e00534 0x00000000
0x44e00538 0x00000000
0x44e0053c 0x00000000
0x44e00600 0x00000006
0x44e00604 0x00000002
0x44e00700 0x00000000
0x44e00800 0x00000002
0x44e00804 0x00000302
0x44e00900 0x00000002
0x44e00904 0x00070000
0x44e00908 0x00070000
0x44e0090c 0x00000002
0x44e00910 0x00030000
0x44e00914 0x00030000
0x44e00a00 0x00000002
0x44e00a20 0x00030000
0x44e00b00 0x00000000
0x44e00b04 0x00000500
0x44e00b08 0x00000000
0x44e00b0c 0x00000100
0x44e00b10 0x00000000
0x44e00c00 0x00000003
0x44e00c04 0x00000000
0x44e00c08 0x01E60007
0x44e00c0c 0xEE0000EB
0x44e00d00 0x00000008
0x44e00d04 0x00000008
0x44e00d08 0x00000000
0x44e00d0c 0x00000020
0x44e00e00 0x01FF0007
0x44e00e04 0x000003F7
0x44e00e08 0x00000000
0x44e00f00 0x00000000
0x44e00f04 0x00001006
0x44e00f08 0x00000203
0x44e00f0c 0x78000017
0x44e00f10 0x00000003
0x44e00f14 0x00000000
0x44e00f18 0x00000003
0x44e00f1c 0x00000000
0x44e01000 0x00000004
0x44e01004 0x00000000
0x44e01100 0x00060044
0x44e01104 0x00000001
0x44e01110 0x00000037
0x44e01114 0x00000000
0x44e01200 0x00000000
0x44e01204 0x00000007
0x44e10040 0x00C00318

DeviceName AM335x_SR2.x_SR1.0
0x44e00000 0x02004102
0x44e00004 0x0000000A
0x44e00008 0x00000102
0x44e0000c 0x00000012
0x44e00010 0x00070000
0x44e00014 0x00070000
0x44e00018 0x00070000
0x44e0001c 0x00030000
0x44e00020 0x00070000
0x44e00024 0x00030000
0x44e00028 0x00030000
0x44e0002c 0x00000002
0x44e00030 0x00000002
0x44e00034 0x00030000
0x44e00038 0x00030000
0x44e0003c 0x00030000
0x44e00040 0x00030000
0x44e00044 0x00030000
0x44e00048 0x00030000
0x44e0004c 0x00000002
0x44e00050 0x00030000
0x44e00054 0x00030000
0x44e00058 0x00030000
0x44e00060 0x00000002
0x44e00064 0x00000002
0x44e00068 0x00030000
0x44e0006c 0x00030000
0x44e00070 0x00030000
0x44e00074 0x00030000
0x44e00078 0x00030000
0x44e0007c 0x00030000
0x44e00080 0x00000002
0x44e00084 0x00030000
0x44e00088 0x00030000
0x44e0008c 0x00030000
0x44e00090 0x00030000
0x44e00094 0x00030000
0x44e00098 0x00030000
0x44e0009c 0x00030000
0x44e000a0 0x00030000
0x44e000a4 0x00030000
0x44e000a8 0x00030000
0x44e000ac 0x00030000
0x44e000b0 0x00030000
0x44e000b4 0x00030000
0x44e000b8 0x00030000
0x44e000bc 0x00030000
0x44e000c0 0x00030000
0x44e000c4 0x00030000
0x44e000c8 0x00030000
0x44e000cc 0x00030000
0x44e000d0 0x00000002
0x44e000d4 0x00030000
0x44e000d8 0x00030000
0x44e000dc 0x00000002
0x44e000e0 0x00000002
0x44e000e4 0x00040002
0x44e000e8 0x00070000
0x44e000ec 0x00030000
0x44e000f0 0x00030000
0x44e000f4 0x00030000
0x44e000f8 0x00030000
0x44e000fc 0x00030000
0x44e00100 0x00030000
0x44e00104 0x00030000
0x44e0010c 0x00030000
0x44e00110 0x00030000
0x44e0011c 0x0000000A
0x44e00120 0x00000002
0x44e00124 0x00070000
0x44e00128 0x00030000
0x44e0012c 0x00000012
0x44e00130 0x00040002
0x44e00134 0x00030000
0x44e00138 0x00030000
0x44e0013c 0x00030000
0x44e00140 0x00000002
0x44e00144 0x00000002
0x44e00148 0x00000002
0x44e0014c 0x00000002
0x44e00150 0x00000012
0x44e00400 0x00000616
0x44e00404 0x00000002
0x44e00408 0x00030000
0x44e0040c 0x00000002
0x44e00410 0x00000002
0x44e00414 0x52580002
0x44e00418 0x0000001E
0x44e0041c 0x00000000
0x44e00420 0x00000001
0x44e00424 0x00000000
0x44e00428 0x00000000
0x44e0042c 0x0003E819
0x44e00430 0x00000000
0x44e00434 0x00000100
0x44e00438 0x00000000
0x44e0043c 0x00000000
0x44e00440 0x00000000
0x44e00444 0x00000000
0x44e00448 0x00000100
0x44e0044c 0x00000000
0x44e00450 0x00000000
0x44e00454 0x00000000
0x44e00458 0x00000000
0x44e0045c 0x00000001
0x44e00460 0x00000000
0x44e00464 0x00000000
0x44e00468 0x0003E819
0x44e0046c 0x00000000
0x44e00470 0x00000001
0x44e00474 0x00000000
0x44e00478 0x00000000
0x44e0047c 0x00000000
0x44e00480 0x0000022A
0x44e00484 0x00000028
0x44e00488 0x00000007
0x44e0048c 0x00000007
0x44e00490 0x00000007
0x44e00494 0x00000004
0x44e00498 0x00000004
0x44e0049c 0x0403C019
0x44e004a0 0x00000001
0x44e004a4 0x00000001
0x44e004a8 0x00000222
0x44e004ac 0x00000205
0x44e004b0 0x00040002
0x44e004b4 0x00030000
0x44e004b8 0x00030000
0x44e004bc 0x00030000
0x44e004c0 0x00030000
0x44e004c4 0x00030000
0x44e004c8 0x00030000
0x44e004cc 0x00000006
0x44e004d0 0x00000002
0x44e004d4 0x00000002
0x44e004d8 0x00000004
0x44e00504 0x00000001
0x44e00508 0x00000002
0x44e0050c 0x00000000
0x44e00510 0x00000001
0x44e00514 0x00000004
0x44e00518 0x00000001
0x44e0051c 0x00000000
0x44e00520 0x00000000
0x44e00528 0x00000000
0x44e0052c 0x00000000
0x44e00530 0x00000000
0x44e00534 0x00000000
0x44e00538 0x00000000
0x44e0053c 0x00000000
0x44e00600 0x00000006
0x44e00604 0x00000002
0x44e00700 0x00000000
0x44e00800 0x00000002
0x44e00804 0x00000302
0x44e00900 0x00000002
0x44e00904 0x00070000
0x44e00908 0x00070000
0x44e0090c 0x00000002
0x44e00910 0x00030000
0x44e00914 0x00030000
0x44e00a00 0x00000002
0x44e00a20 0x00030000
0x44e00b00 0x00000000
0x44e00b04 0x00000500
0x44e00b08 0x00000000
0x44e00b0c 0x00000100
0x44e00b10 0x00000000
0x44e00c00 0x00000003
0x44e00c04 0x00000000
0x44e00c08 0x01E60007
0x44e00c0c 0xEE0000EB
0x44e00d00 0x00000008
0x44e00d04 0x00000008
0x44e00d08 0x00000000
0x44e00d0c 0x00000000
0x44e00e00 0x01FF0007
0x44e00e04 0x000003F7
0x44e00e08 0x00000000
0x44e00f00 0x00000000
0x44e00f04 0x00001006
0x44e00f08 0x00000011
0x44e00f0c 0x78000017
0x44e00f10 0x00000003
0x44e00f14 0x00000000
0x44e00f18 0x00000003
0x44e00f1c 0x00000000
0x44e01000 0x00000004
0x44e01004 0x00000000
0x44e01100 0x00060044
0x44e01104 0x00000001
0x44e01110 0x00000037
0x44e01114 0x00000000
0x44e01200 0x00000000
0x44e01204 0x00000007
0x44e10040 0x00C00318

OMAPCONF (rev v1.73-17-g578778b built Thu Jan 18 09:55:50 CST 2018)

HW Platform:
  Generic AM33XX (Flattened Device Tree)
  AM3358 ES2.1 GP Device (UNKNOWN performance ZCZ package (800MHz))
  UNKNOWN POWER IC
  UNKNOWN AUDIO IC

SW Build Details:
  Build:
    Version:
  Kernel:
    Version: 4.9.69-g89d085d1a4
    Toolchain: gcc version 6.2.0 (GCC)
    Type: #2 PREEMPT
    Date: Wed Jan 17 11:22:56 CST 2018

The Clock Tree Tool can import register settings from a *.rd1 file.
The format of the *.rd1 file is:

DeviceName AM335x1.0
<register address> <register value>
<register address> <register value>
...

Copy the below output between the begin and end separators into a
file with the extension *.rd1 and this file can be read by the
Clock Tree Tool

|--------------------------- ctt dump begin ----------------------|
DeviceName AM335x1.0
0x44E00000 0x00004502
0x44E00004 0x0000000A
0x44E00008 0x00000101
0x44E0000C 0x0000005E
0x44E00010 0x00070000
0x44E00014 0x00000002
0x44E00018 0x00070000
0x44E0001C 0x00070000
0x44E00020 0x00070000
0x44E00024 0x00000002
0x44E00028 0x00000002
0x44E0002C 0x00000002
0x44E00030 0x00000002
0x44E00034 0x00030000
0x44E00038 0x00030000
0x44E0003C 0x00030000
0x44E00040 0x00030000
0x44E00044 0x00030000
0x44E00048 0x00030000
0x44E0004C 0x00030000
0x44E00050 0x00030000
0x44E00054 0x00030000
0x44E00058 0x00030000
0x44E00060 0x00000002
0x44E00064 0x00020002
0x44E00068 0x00030000
0x44E0006C 0x00000002
0x44E00070 0x00030000
0x44E00074 0x00030000
0x44E00078 0x00030000
0x44E0007C 0x00030000
0x44E00080 0x00000002
0x44E00084 0x00030000
0x44E00088 0x00030000
0x44E0008C 0x00030000
0x44E00090 0x00000002
0x44E00094 0x00030000
0x44E00098 0x00030000
0x44E0009C 0x00030000
0x44E000A0 0x00030000
0x44E000A4 0x00030000
0x44E000A8 0x00030000
0x44E000AC 0x00000002
0x44E000B0 0x00030000
0x44E000B4 0x00030000
0x44E000B8 0x00030000
0x44E000BC 0x00000002
0x44E000C0 0x00030000
0x44E000C4 0x00030000
0x44E000C8 0x00030000
0x44E000CC 0x00030000
0x44E000D0 0x00020002
0x44E000D4 0x00030000
0x44E000D8 0x00030000
0x44E000DC 0x00000002
0x44E000E0 0x00000002
0x44E000E4 0x00070000
0x44E000E8 0x00070000
0x44E000EC 0x00030000
0x44E000F0 0x00030000
0x44E000F4 0x00000002
0x44E000F8 0x00030000
0x44E000FC 0x00000002
0x44E00100 0x00000002
0x44E00104 0x00030000
0x44E0010C 0x00030000
0x44E00110 0x00000002
0x44E0011C 0x0000007A
0x44E00120 0x00000002
0x44E00124 0x00070000
0x44E00128 0x00030000
0x44E0012C 0x00000001
0x44E00130 0x00060002
0x44E00134 0x00030000
0x44E00138 0x00030000
0x44E0013C 0x00030000
0x44E00140 0x00000001
0x44E00144 0x00000012
0x44E00148 0x00000001
0x44E0014C 0x00000002
0x44E00150 0x00000012
0x44E00400 0x00002606
0x44E00404 0x00000002
0x44E00408 0x00030000
0x44E0040C 0x00000002
0x44E00410 0x00000002
0x44E00414 0x12510000
0x44E00418 0x00000009
0x44E0041C 0x00000000
0x44E00420 0x00000001
0x44E00424 0x00000000
0x44E00428 0x00000000
0x44E0042C 0x0000960C
0x44E00430 0x00000000
0x44E00434 0x00000001
0x44E00438 0x00000000
0x44E0043C 0x00000000
0x44E00440 0x00019019
0x44E00444 0x00000000
0x44E00448 0x00000100
0x44E0044C 0x00000000
0x44E00450 0x00000000
0x44E00454 0x00000000
0x44E00458 0x00000000
0x44E0045C 0x00000001
0x44E00460 0x00000000
0x44E00464 0x00000000
0x44E00468 0x0001F40C
0x44E0046C 0x00000000
0x44E00470 0x00000001
0x44E00474 0x00000000
0x44E00478 0x00000000
0x44E0047C 0x00000000
0x44E00480 0x0000022A
0x44E00484 0x00000228
0x44E00488 0x00000007
0x44E0048C 0x00000007
0x44E00490 0x00000007
0x44E00494 0x00000007
0x44E00498 0x00000004
0x44E0049C 0x0401E00C
0x44E004A0 0x00000201
0x44E004A4 0x00000001
0x44E004A8 0x00000201
0x44E004AC 0x00000285
0x44E004B0 0x00040002
0x44E004B4 0x00030000
0x44E004B8 0x00030000
0x44E004BC 0x00030000
0x44E004C0 0x00030000
0x44E004C4 0x00000002
0x44E004C8 0x00030000
0x44E004CC 0x00000006
0x44E004D0 0x00000002
0x44E004D4 0x00030000
0x44E00504 0x00000001
0x44E00508 0x00000001
0x44E0050C 0x00000001
0x44E00510 0x00000001
0x44E00514 0x00000004
0x44E00518 0x00000001
0x44E0051C 0x00000001
0x44E00520 0x00000000
0x44E00528 0x00000000
0x44E0052C 0x00000000
0x44E00530 0x00000000
0x44E00534 0x00000000
0x44E00538 0x00000001
0x44E0053C 0x00000000
0x44E00600 0x00000006
0x44E00604 0x00000002
0x44E00700 0x00000080
0x44E00800 0x00000002
0x44E00804 0x00000302
0x44E00900 0x00000001
0x44E00904 0x00070000
0x44E00908 0x00070000
0x44E0090C 0x00000001
0x44E00910 0x00030000
0x44E00914 0x00030000
0x44E00A00 0x00000001
0x44E00A20 0x00030000
0x44E00B00 0x00000000
0x44E00B04 0x00000500
0x44E00B08 0x00000000
0x44E00B0C 0x00000100
0x44E00B10 0x00000000
0x44E00C00 0x00000003
0x44E00C04 0x00000000
0x44E00C08 0x01E60007
0x44E00C0C 0xEE0000EB
0x44E00D00 0x00000000
0x44E00D04 0x00000008
0x44E00D08 0x00000000
0x44E00D0C 0x00000020
0x44E00E00 0x01FF0007
0x44E00E04 0x000003F7
0x44E00E08 0x00000000
0x44E00F00 0x00000000
0x44E00F04 0x00001006
0x44E00F08 0x00000001
0x44E00F0C 0x78000017
0x44E00F10 0x00000003
0x44E00F14 0x00000000
0x44E00F18 0x00000003
0x44E00F1C 0x00000000
0x44E01000 0x00000004
0x44E01004 0x00000000
0x44E01100 0x00060047
0x44E01104 0x00000001
0x44E01110 0x00000037
0x44E01114 0x00000000
0x44E01200 0x00000000
0x44E01204 0x00000000
0x44E10040 0x00C00318
|---------------------------- ctt dump end -----------------------|