Problem booting Linux from JTAG on PicoZed

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General Questions
I'm trying to boot my PicoZed board to Linux from JTAG. It's close, but I'm missing something.
I can successfully boot from SD Card with these same files, so it seems the problem lies elsewhere.
Here are the steps, I'm following:
* Set SW1 to JTAG boot mode.
* XMD Console commands
- connect arm hw
- dow zynq_fsbl.elf
- run
- fpga –f fpgabits.bit
- dow u-boot.elf
- run
* Stop u-boot from auto-booting in terminal
* XMD Console command
- stop
- dow –data image.ub 0x1000000
- con
* From u-boot type
- bootm 0x1000000
* Linux boot hangs with last lines
- [drm] Initialized drm 1.1.0 20060810
- brd: module loaded
- loop: module loaded
The next lines that Linux is supposed to print has to do with the QSPI, but I'm not sure what else to do.
When successfully booting from the SD Card, I'm using BOOT.BIN with the same FSBL, FPGA Bits and u-boot.
I'm also using the same image.ub file.
Any suggestions on what to try next?
--Jeff

The DTS is in the image.ub file. I will try the steps in the pdf and let you know if it helps.
Here is the boot information from when u-boot loads/runs the image.ub file:
reading image.ub
8639064 bytes read in 749 ms (11 MiB/s)
## Loading kernel from FIT Image at 01000000 ...
Using 'conf@1' configuration
Trying 'kernel@1' kernel subimage
Description: PetaLinux Kernel
Type: Kernel Image
Compression: gzip compressed
Data Start: 0x010000f0
Data Size: 8620511 Bytes = 8.2 MiB
Architecture: ARM
OS: Linux
Load Address: 0x00008000
Entry Point: 0x00008000
Hash algo: crc32
Hash value: 9a258a1a
Verifying Hash Integrity ... crc32+ OK
## Loading fdt from FIT Image at 01000000 ...
Using 'conf@1' configuration
Trying 'fdt@1' fdt subimage
Description: Flattened Device Tree blob
Type: Flat Device Tree
Compression: uncompressed
Data Start: 0x01838bb4
Data Size: 17256 Bytes = 16.9 KiB
Architecture: ARM
Hash algo: crc32
Hash value: a1140b0d
Verifying Hash Integrity ... crc32+ OK
Booting using the fdt blob at 0x1838bb4
Uncompressing Kernel Image ... OK
Loading Device Tree to 07ff8000, end 07fff367 ... OK
--Jeff

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