[U-Boot] Condition in bootcmd to run bootz else bootm

[DaveKucharczyk]

Hi, I'd like to set a condition in bootcmd to run uImage from flash if it
can't find zImage on the filesystem.

Here is our zImage bootcmd...
mmc dev 0; ext2load mmc 0:1 ${loadaddr} /opt/common/var/zImage; ext2load mmc
0:1 0x71000000 /opt/common/var/dtb; bootz ${loadaddr} - 0x71000000 

Here is our uImage bootcmd...
mmc read ${loadaddr} 0x800 0x1600; bootm

So I tried adding || like so, but it doesn't work...
mmc dev 0; ext2load mmc 0:1 ${loadaddr} /opt/common/var/zImage; ext2load mmc
0:1 0x71000000 /opt/common/var/dtb; bootz ${loadaddr} - 0x71000000 || mmc
read ${loadaddr} 0x800 0x1600; bootm

They work individually from command line, but when I add the || to boot
uImage it just errors out like so...

** File not found /opt/common/var/zImage.tls4xx **
30463 bytes read in 200 ms (148.4 KiB/s)
Bad Linux ARM zImage magic!                      <--- this is correct since
it can't find zImage
Wrong Image Format for bootm command      <---- it tried bootm here so maybe
my || needs to be more strategically placed?
ERROR: can't get kernel image!
SYS42>






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