u-boot/board/freescale/imx8mm_evk/boot.cmd

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setenv bootargs console=${console} root=${mmcroot};
for boot_target in ${boot_targets};
do
if test "${boot_target}" = "mmc1" ; then
if fatload mmc 1:${mmcpart} ${kernel_addr_r} ${image}; then
if fatload mmc 1:${mmcpart} ${fdt_addr} ${fdt_file}; then
echo Load image and .dtb from SD card(mmc1);
booti ${kernel_addr_r} - ${fdt_addr};
exit;
fi
fi
fi
if test "${boot_target}" = "mmc2" ; then
if fatload mmc 2:${mmcpart} ${kernel_addr_r} ${image}; then
if fatload mmc 2:${mmcpart} ${fdt_addr} ${fdt_file}; then
echo Load image and .dtb from eMMC(mmc2);
booti ${kernel_addr_r} - ${fdt_addr};
exit;
fi
fi
fi
if test "${boot_target}" = "dhcp" ; then
if dhcp ${kernel_addr_r} ${serverip}:${image}; then
if dhcp ${fdt_addr} ${serverip}:${fdt_file}; then
echo Load image and .dtb from net(dhcp);
booti ${kernel_addr_r} - ${fdt_addr};
exit;
fi
fi
fi
done