mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-17 16:53:06 +00:00
fbd611897a
This setup is a bit special as Linux kernel (4.19) is not supporting in-kernel NFS rootfs mount and Distributed Switch Architecture (DSA) operation. For that reason it was necessary to provide a bootarg to allow userspace enable it afterwards if needed. Signed-off-by: Lukasz Majewski <lukma@denx.de>
103 lines
2.8 KiB
Batchfile
103 lines
2.8 KiB
Batchfile
# SPDX-License-Identifier: GPL-2.0+
|
|
#
|
|
# 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
|
|
#
|
|
|
|
|
|
# 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} \
|
|
${displayargs}"
|
|
setenv miscadj "
|
|
if test '${boardsoc}' = 'imx53'; then
|
|
setenv bootargs '${bootargs} di=${dig_in} key1=${key1}';
|
|
fi;"
|
|
setenv nfsadj "
|
|
if test '${boardsoc}' = 'imx53'; then
|
|
if test '${boardtype}' = 'hsc'; then
|
|
setenv bootargs '${bootargs} dsa_core.blacklist=yes';
|
|
fi;
|
|
fi;"
|
|
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 miscadj;
|
|
run boot_fitImage;
|
|
fi;
|
|
fi;"
|
|
|
|
#------------------------------------------------------------
|
|
#
|
|
# Provide 'boot_tftp_kernel' command
|
|
#------------------------------------------------------------
|
|
setenv download_kernel "dhcp ${loadaddr} ${kernel_file}"
|
|
|
|
setenv boot_tftp_kernel "
|
|
if run download_kernel; then
|
|
run mmcargs;
|
|
run miscadj;
|
|
run boot_fitImage;
|
|
fi"
|
|
|
|
#------------------------------------------------------------
|
|
#
|
|
# Provide 'boot_nfs' command
|
|
#------------------------------------------------------------
|
|
setenv nfsargs "setenv bootargs root=/dev/nfs rw nfsroot='${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;
|
|
run nfsadj;
|
|
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
|