By using this file one can avoid cluttering <board>.h file with u-boot HUSH commands necessary for booting target device.
With such approach the commands are stored only in one place and can be reused if needed.
Signed-off-by: Lukasz Majewski lukma@denx.de
---
board/k+p/bootscripts/tpcboot.cmd | 96 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 board/k+p/bootscripts/tpcboot.cmd
diff --git a/board/k+p/bootscripts/tpcboot.cmd b/board/k+p/bootscripts/tpcboot.cmd new file mode 100644 index 0000000000..f6d59a1186 --- /dev/null +++ b/board/k+p/bootscripts/tpcboot.cmd @@ -0,0 +1,96 @@ +# +# 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