[U-Boot-Users] USB SUPPORT

[Aneesh]

Hi,
    I am using an at91rm9200dk custom board.I want  to boot kernel and
ram disk from the usb stick.for that i tried to enable the usb support
in the uboot.but now i am getting a message like no storage devices
found .
i gave the configurations in include/configs/at91rm9200dk.h
like follows

#define CONFIG_DOS_PARTITION 1
#define CONFIG_USB_OHCI      1
#define CONFIG_USB_STORAGE  1

#define CONFIG_COMMANDS		\
		       ((CONFIG_CMD_DFL | CFG_CMD_MII | CFG_CMD_NET | CFG_CMD_USB | \
			CFG_CMD_DHCP ) & \
		      ~(CFG_CMD_BDI | \
			CFG_CMD_IMI | \
			CFG_CMD_AUTOSCRIPT | \
			CFG_CMD_FPGA | \
			CFG_CMD_MISC | \
			CFG_CMD_LOADS))

Is this configuration is right?
i am not able to acess the USB stick using Storage USB Commands. My
U-boot version is 1.1.5. 
 Any one can help?
regards 
Aneesh
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