[U-Boot] [PATCH v1 2/2] boot: script: The boot.scr file for K+P's boards

[Stefano Babic]

On 14/03/2018 11:07, Lukasz Majewski wrote:
> 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 at 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 at 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
> 

Reviewed-by: Stefano Babic <sbabic at denx.de>

Best regards,
Stefano Babic

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