u-boot/board/samsung/common/bootscripts/autoboot.cmd
Krzysztof Kozlowski e6b1467081 arm: exynos: Remove duplicated "boardname" env setting
Various places in the code set "boardname" env property.  It was used
for booting from ITB images and choosing proper DTB file name.  Instead
of duplicating it, use existing U-Boot wide - "board_name".

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
2019-03-11 15:53:29 +09:00

92 lines
2.9 KiB
Batchfile

# 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 autoboot.cmd boot.scr
#
# It requires a list of environment variables to be defined before load:
# platform dependent: board_name, fdtfile, console
# system dependent: mmcbootdev, mmcbootpart, mmcrootdev, mmcrootpart, rootfstype
#
setenv fdtaddr "40800000"
setenv initrdname "uInitrd"
setenv initrdaddr "42000000"
setenv loaddtb "load mmc ${mmcbootdev}:${mmcbootpart} ${fdtaddr} ${fdtfile}"
setenv loadinitrd "load mmc ${mmcbootdev}:${mmcbootpart} ${initrdaddr} ${initrdname}"
setenv loadkernel "load mmc ${mmcbootdev}:${mmcbootpart} '${kerneladdr}' '${kernelname}'"
setenv kernel_args "setenv bootargs ${console} root=/dev/mmcblk${mmcrootdev}p${mmcrootpart} rootfstype=${rootfstype} rootwait ${opts}"
#### Routine: check_dtb - check that target.dtb exists on boot partition
setenv check_dtb "
if test -e mmc '${mmcbootdev}':'${mmcbootpart}' '${fdtfile}'; then
run loaddtb;
setenv fdt_addr ${fdtaddr};
else
echo Warning! Booting without DTB: '${fdtfile}'!;
setenv fdt_addr;
fi;"
#### Routine: check_ramdisk - check that uInitrd exists on boot partition
setenv check_ramdisk "
if test -e mmc '${mmcbootdev}':'${mmcbootpart}' '${initrdname}'; then
echo "Found ramdisk image.";
run loadinitrd;
setenv initrd_addr ${initrdaddr};
else
echo Warning! Booting without RAMDISK: '${initrdname}'!;
setenv initrd_addr -;
fi;"
#### Routine: boot_fit - check that env $board_name is set and boot proper config of ITB image
setenv setboot_fit "
if test -e '${board_name}'; then
setenv fdt_addr ;
setenv initrd_addr ;
setenv kerneladdr 0x42000000;
setenv kernelname Image.itb;
setenv itbcfg "\"#${board_name}\"";
setenv imgbootcmd bootm;
else
echo Warning! Variable: \$board_name is undefined!;
fi"
#### Routine: setboot_uimg - prepare env to boot uImage
setenv setboot_uimg "
setenv kerneladdr 0x40007FC0;
setenv kernelname uImage;
setenv itbcfg ;
setenv imgbootcmd bootm;
run check_dtb;
run check_ramdisk;"
#### Routine: setboot_zimg - prepare env to boot zImage
setenv setboot_zimg "
setenv kerneladdr 0x40007FC0;
setenv kernelname zImage;
setenv itbcfg ;
setenv imgbootcmd bootz;
run check_dtb;
run check_ramdisk;"
#### Routine: boot_img - boot the kernel after env setup
setenv boot_img "
run loadkernel;
run kernel_args;
'${imgbootcmd}' '${kerneladdr}${itbcfg}' '${initrd_addr}' '${fdt_addr}';"
#### Routine: autoboot - choose proper boot path
setenv autoboot "
if test -e mmc ${mmcbootdev}:${mmcbootpart} Image.itb; then
echo Found kernel image: Image.itb;
run setboot_fit;
run boot_img;
elif test -e mmc ${mmcbootdev}:${mmcbootpart} zImage; then
echo Found kernel image: zImage;
run setboot_zimg;
run boot_img;
elif test -e mmc ${mmcbootdev}:${mmcbootpart} uImage; then
echo Found kernel image: uImage;
run setboot_uimg;
run boot_img;
fi;"
#### Execute the defined autoboot macro
run autoboot