Chris:
Read this page:
http://wiki.analog.com/resources/tools-software/linux-software/zynq_images
Specifically:
Zynq Quick Start Guide [Analog Devices Wiki]
and then:
http://wiki.analog.com/resources/tools-software/linux-software/zynq_images#preparing_the_image
Which looks like you skipped to step 2.
-Robin