usb start
mmc dev 0
tftp ${fdt_addr_r} pi_Domo.dtb
tftp ${kernel_addr_r} zImage
tftp ${ramdisk_addr_r} rootfs.cpio.uboot
setenv mmc_freq 'sdhci-bcm2708.emmc_clock_freq=250000000 sdhci-bcm2708.enable_llm=0'
setenv usb_args 'dwc_otg.lpm_enable=0 dwc_otg.speed=1 dwc_otg.fiq_fix_enable=1'
setenv bootargs ${usb_args} ${mmc_freq} console=ttyAMA0,115200
bootz ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
