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Program eMMC from U-Boot

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Hi,

I would like to program the eMMC flash directly from U-Boot, bypassing the need to boot from uSD as described on RZ/G2L SMARC Board by Renesas - Renesas.info and was wondering if that's even possible.

I've created bz2, gz and uncompressed images from the RZV2L core-image-minimal recipes using image_creator from  rzg2_bsp_scripts/image_creator at master · renesas-rz/rzg2_bsp_scripts (github.com) and have setup a TFTP server with the image files in sd_card_image/.

In U-Boot when I get a dhcp address with dhcp, it does the following:

=> dhcp
BOOTP broadcast 1
BOOTP broadcast 2
BOOTP broadcast 3
DHCP client bound to address 192.168.100.102 (1513 ms)
*** Warning: no boot file name; using 'C0A86466.img'
Using ethernet@11c20000 device
TFTP from server 192.168.100.1; our IP address is 192.168.100.102
Filename 'C0A86466.img'.
Load address: 0x58000000
Loading: T T T T T T T T T T
Retry count exceeded; starting again

even though my serverip is set to 
=> print serverip
serverip=192.168.100.42

Can you provide further infomration how I can directly download the image and start it (even from RAM to begin with)


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