61 lines
2.6 KiB
Batchfile
61 lines
2.6 KiB
Batchfile
setenv load_addr "0x9000000"
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setenv overlay_error "false"
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# default values
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setenvrootdev
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setenvunamer
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setenv envfile "${prefix}uEnv.txt-${unamer}"
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setenv dtbdir "${prefix}dtb-${unamer}"
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echo "Boot script loaded from ${devtype} ${devnum}"
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echo "Testing for existence ${devtype} ${devnum} ${envfile}"
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if test -e ${devtype} ${devnum} ${envfile}; then
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echo "Loading ${devtype} ${devnum} ${load_addr} ${envfile}"
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load ${devtype} ${devnum} ${load_addr} ${envfile}
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echo "Loaded ${devtype} ${devnum} ${envfile} into ${load_addr} filesize ${filesize}"
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echo "Importing into environment"
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env import -t ${load_addr} ${filesize}
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echo "${envfile} imported into environment"
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fi
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# get PARTUUID of first partition on SD/eMMC the boot script was loaded from
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if test "${devtype}" = "mmc"; then part uuid mmc ${devnum}:1 partuuid; fi
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load ${devtype} ${devnum} ${ramdisk_addr_r} ${prefix}uInitrd-${unamer}
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load ${devtype} ${devnum} ${kernel_addr_r} ${prefix}vmlinuz-${unamer}
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load ${devtype} ${devnum} ${fdt_addr_r} ${dtbdir}/${fdtfile}
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fdt addr ${fdt_addr_r}
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fdt resize 65536
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for overlay_file in ${overlays}; do
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if load ${devtype} ${devnum} ${load_addr} ${dtbdir}/rockchip/overlay/${overlay_prefix}-${overlay_file}.dtbo; then
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echo "Applying kernel provided DT overlay ${overlay_prefix}-${overlay_file}.dtbo"
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fdt apply ${load_addr} || setenv overlay_error "true"
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elif load ${devtype} ${devnum} ${load_addr} ${dtbdir}/rockchip/overlay/${overlay_file}.dtbo; then
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echo "Applying kernel provided DT overlay ${overlay_file}.dtbo"
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fdt apply ${load_addr} || setenv overlay_error "true"
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fi
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done
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for overlay_file in ${user_overlays}; do
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if load ${devtype} ${devnum} ${load_addr} ${prefix}overlay-user/${overlay_file}.dtbo; then
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echo "Applying user provided DT overlay ${overlay_file}.dtbo"
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fdt apply ${load_addr} || setenv overlay_error "true"
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fi
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done
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if test "${overlay_error}" = "true"; then
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echo "Error applying DT overlays, restoring original DT"
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load ${devtype} ${devnum} ${fdt_addr_r} ${dtbdir}/${fdtfile}
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else
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if load ${devtype} ${devnum} ${load_addr} ${dtbdir}/rockchip/overlay/${overlay_prefix}-fixup.scr; then
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echo "Applying kernel provided DT fixup script (${overlay_prefix}-fixup.scr)"
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source ${load_addr}
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fi
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if test -e ${devtype} ${devnum} ${prefix}fixup.scr; then
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load ${devtype} ${devnum} ${load_addr} ${prefix}fixup.scr
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echo "Applying user provided fixup script (fixup.scr)"
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source ${load_addr}
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fi
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fi
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kaslrseed
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booti ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
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