upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/k+p/bootscripts/tpcboot.cmd

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2.5 KiB

#
# Copyright (C) 2018
# Lukasz Majewski, DENX Software Engineering, lukma@denx.de
#
#
# This is an example file to generate boot.scr - a boot script for U-Boot
# Generate boot.scr:
# ./tools/mkimage -c none -A arm -T script -d tpcboot.cmd boot.scr
#
# SPDX-License-Identifier: GPL-2.0+
# Input envs (to be set in environment)
# Mandatory:
# kernel_file = "fitImage"
# boardname = "XXXX" // set automatically in u-boot
# boardsoc = "imx6q" // set automatically in u-boot
#
# Optional:
# bootcmd_force = "nfs" "tftp_kernel"
# If not set - eMMC/SD boot
# Generic setup
setenv mmcroot "/dev/mmcblk${devnum}p2 rootwait rw"
setenv displayargs ""
setenv mmcargs "setenv bootargs console=${console} ${smp} root=${mmcroot} \
${displayargs}"
setenv boot_fitImage "
setenv fdt_conf 'conf@${boardsoc}-${boardname}.dtb';
setenv itbcfg "\"#\${fdt_conf}\"";
print itbcfg;
bootm '${loadaddr}${itbcfg}';"
#------------------------------------------------------------
#
# Provide default 'bootcmd' command
#------------------------------------------------------------
setenv bootcmd "
if test -e ${devtype} ${devnum}:${distro_bootpart} ${kernel_file}; then
echo Found kernel image: ${kernel_file};
if load ${devtype} ${devnum}:${distro_bootpart} ${loadaddr} \
${kernel_file}; then
run mmcargs;
run boot_fitImage;
fi;
fi;"
#------------------------------------------------------------
#
# Provide 'boot_tftp_kernel' command
#------------------------------------------------------------
setenv download_kernel "tftpboot ${loadaddr} ${kernel_file}"
setenv boot_tftp_kernel "
if run download_kernel; then
run mmcargs;
run boot_fitImage;
fi"
#------------------------------------------------------------
#
# Provide 'boot_nfs' command
#------------------------------------------------------------
setenv rootpath "/srv/tftp/KP/rootfs"
setenv nfsargs "setenv bootargs root=/dev/nfs rw \
nfsroot=${serverip}:${rootpath},nolock,nfsvers=3"
setenv addip "setenv bootargs ${bootargs} \
ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:\
${hostname}:eth0:on"
setenv boot_nfs "
if run download_kernel; then
run nfsargs;
run addip;
setenv bootargs ${bootargs} console=${console};
run boot_fitImage;
fi"
#------------------------------------------------------------
#
# Set correct boot flow
#------------------------------------------------------------
setenv bcmd "
if test ! -n ${bootcmd_force}; then
run bootcmd;
fi;
if test ${bootcmd_force} = nfs; then
run boot_nfs;
else if test ${bootcmd_force} = tftp_kernel; then
run boot_tftp_kernel;
fi;
fi"
run bcmd