diff options
Diffstat (limited to 'board/samsung/common/bootscripts/autoboot.cmd')
| -rw-r--r-- | board/samsung/common/bootscripts/autoboot.cmd | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/board/samsung/common/bootscripts/autoboot.cmd b/board/samsung/common/bootscripts/autoboot.cmd new file mode 100644 index 0000000000..3b4015693b --- /dev/null +++ b/board/samsung/common/bootscripts/autoboot.cmd @@ -0,0 +1,92 @@ +# 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: boardname, 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 $boardname is set and boot proper config of ITB image +setenv setboot_fit " +if test -e '${boardname}'; then + setenv fdt_addr ; + setenv initrd_addr ; + setenv kerneladdr 0x42000000; + setenv kernelname Image.itb; + setenv itbcfg \#'${boardname}'; + setenv imgbootcmd bootm; +else + echo Warning! Variable: \$boardname is undefined!; +fi" + +#### Routine: setboot_uimg - prepare env to boot uImage +setenv setboot_uimg " + setenv kerneladdr 0x40007FC0; + setenv kernelname uImage; + setenv itbcfg ; + setenv imgbootcmd bootm; + run check_dtb; + run check_ramdisk;" + +#### Routine: setboot_zimg - prepare env to boot zImage +setenv setboot_zimg " + setenv kerneladdr 0x40007FC0; + setenv kernelname zImage; + setenv itbcfg ; + setenv imgbootcmd bootz; + run check_dtb; + run check_ramdisk;" + +#### Routine: boot_img - boot the kernel after env setup +setenv boot_img " + run loadkernel; + run kernel_args; + '${imgbootcmd}' '${kerneladdr}${itbcfg}' '${initrd_addr}' '${fdt_addr}';" + +#### Routine: autoboot - choose proper boot path +setenv autoboot " +if test -e mmc 0:${mmcbootpart} Image.itb; then + echo Found kernel image: Image.itb; + run setboot_fit; + run boot_img; +elif test -e mmc 0:${mmcbootpart} zImage; then + echo Found kernel image: zImage; + run setboot_zimg; + run boot_img; +elif test -e mmc 0:${mmcbootpart} uImage; then + echo Found kernel image: uImage; + run setboot_uimg; + run boot_img; +fi;" + +#### Execute the defined autoboot macro +run autoboot |
