uboot USB

[lpcware]

Content originally posted in LPCWare by pk on Fri Aug 02 14:08:50 MST 2013
Anyone has tried to build the uboot with USB support. i am using uboot2012.10 which does seem to have support for USB but when i try to build i get plenty of errors. has anyone tried USB support for UBOOT?

Thanks,

[lpcware]

Content originally posted in LPCWare by pk on Sat Aug 03 04:12:03 MST 2013
i now have more information about the errors. any help appreciaited.

i have

#define CONFIG_CMD_USB
#define CONFIG_USB_UHCI
#define CONFIG_USB_STORAGE

gives following build errors

u-boot-2012.10/common/usb.c:224: undefined reference to `submit_bulk_msg'
common/libcommon.o: In function `usb_control_msg':
u-boot-2012.10/common/usb.c:191: undefined reference to `submit_control_msg'
common/libcommon.o: In function `usb_submit_int_msg':
u-boot-2012.10/common/usb.c:156: undefined reference to `submit_int_msg'
common/libcommon.o: In function `usb_stop':
u-boot-2012.10/common/usb.c:126: undefined reference to `usb_lowlevel_stop'
common/libcommon.o: In function `usb_init':
u-boot-2012.10/common/usb.c:99: undefined reference to `usb_lowlevel_init'
common/libcommon.o: In function `usb_stor_CBI_get_status':
u-boot-2012.10/common/usb_storage.c:625: undefined reference to `submit_int_msg'