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u-boot capabilities question


svkatielee

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I have just discovered the u-boot help file.

On console during power-up, when it says

   Hit any key to stop autoboot:

I hit a key, got a prompt and typed help.

 

Are all the capabilities listed real?

 

pxe, tftpboot, nfs, usbboot, dhcp, bootefi

 

Are many implemented?

  I did just discover the nfs how-to.

 

--

Larry

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Are all the capabilities listed real?

 

pxe, tftpboot, nfs, usbboot, dhcp, bootefi

 

Are many implemented?

Yes, if u-boot has Ethernet support for the target SoC - so this (tftpboot and pxe specifically) would work, for example, for A10/A20 and won't work for H3 yet.

 

NFS boot that was mentioned in HOWTO doesn't require Ethernet support in u-boot, but it requires some kind of storage (SD, eMMC, SPI flash in the future) to load kernel from.

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