tftpboot

[goldstar611]

setenv ipaddr 192.168.1.111
setenv serverip 192.168.1.222
setenv md0_args 'setenv bootargs root=/dev/sda1 rw rootfstype=ext3 rootflags=data=ordered'
setenv load_tftp 'tftp ${kernel_addr_r} uImage; tftp ${fdt_addr_r} apollo3g.dtb'
setenv boot_sata 'run load_tftp; run md0_args addtty; bootm ${kernel_addr_r} - ${fdt_addr_r}'
echo ==== Loading Linux kernel, Device tree, Root filesystem ====
run boot_sata

[edit] confirming that tftp boot works