mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 10:48:51 +00:00
97 lines
2.5 KiB
Batchfile
97 lines
2.5 KiB
Batchfile
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#
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# Copyright (C) 2018
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# Lukasz Majewski, DENX Software Engineering, lukma@denx.de
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#
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#
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# This is an example file to generate boot.scr - a boot script for U-Boot
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# Generate boot.scr:
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# ./tools/mkimage -c none -A arm -T script -d tpcboot.cmd boot.scr
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#
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# SPDX-License-Identifier: GPL-2.0+
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# Input envs (to be set in environment)
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# Mandatory:
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# kernel_file = "fitImage"
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# boardname = "XXXX" // set automatically in u-boot
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# boardsoc = "imx6q" // set automatically in u-boot
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#
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# Optional:
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# bootcmd_force = "nfs" "tftp_kernel"
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# If not set - eMMC/SD boot
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# Generic setup
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setenv mmcroot "/dev/mmcblk${devnum}p2 rootwait rw"
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setenv displayargs ""
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setenv mmcargs "setenv bootargs console=${console} ${smp} root=${mmcroot} \
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${displayargs}"
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setenv boot_fitImage "
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setenv fdt_conf 'conf@${boardsoc}-${boardname}.dtb';
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setenv itbcfg "\"#\${fdt_conf}\"";
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print itbcfg;
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bootm '${loadaddr}${itbcfg}';"
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#------------------------------------------------------------
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#
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# Provide default 'bootcmd' command
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#------------------------------------------------------------
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setenv bootcmd "
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if test -e ${devtype} ${devnum}:${distro_bootpart} ${kernel_file}; then
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echo Found kernel image: ${kernel_file};
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if load ${devtype} ${devnum}:${distro_bootpart} ${loadaddr} \
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${kernel_file}; then
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run mmcargs;
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run boot_fitImage;
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fi;
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fi;"
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#------------------------------------------------------------
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#
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# Provide 'boot_tftp_kernel' command
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#------------------------------------------------------------
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setenv download_kernel "tftpboot ${loadaddr} ${kernel_file}"
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setenv boot_tftp_kernel "
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if run download_kernel; then
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run mmcargs;
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run boot_fitImage;
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fi"
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#------------------------------------------------------------
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#
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# Provide 'boot_nfs' command
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#------------------------------------------------------------
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setenv rootpath "/srv/tftp/KP/rootfs"
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setenv nfsargs "setenv bootargs root=/dev/nfs rw \
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nfsroot=${serverip}:${rootpath},nolock,nfsvers=3"
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setenv addip "setenv bootargs ${bootargs} \
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ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:\
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${hostname}:eth0:on"
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setenv boot_nfs "
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if run download_kernel; then
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run nfsargs;
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run addip;
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setenv bootargs ${bootargs} console=${console};
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run boot_fitImage;
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fi"
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#------------------------------------------------------------
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#
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# Set correct boot flow
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#------------------------------------------------------------
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setenv bcmd "
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if test ! -n ${bootcmd_force}; then
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run bootcmd;
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fi;
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if test ${bootcmd_force} = nfs; then
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run boot_nfs;
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else if test ${bootcmd_force} = tftp_kernel; then
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run boot_tftp_kernel;
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fi;
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fi"
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run bcmd
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