[U-Boot] board/amlogic/odroid-c2/README - how to make the instructions more portable?

[Neil Armstrong]

Hi Martin,

On 17/01/2019 13:22, Martin Husemann wrote:
> Hi folks,
> 
> I am trying to get a new u-boot on my Odroid C2 following the instructions
> in board/amlogic/odroid-c2/README.
> 
> Unfortunately these tell me to use not only the vendor provided blobs, but
> also their tools. This is painfull: 
> 
> file $DIR/fip/fip_create
> odroid-c2/fip/fip_create: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=0dc4b0e1bd118ffc3c0f77e815b6d86acc1f25c2, not stripped
> 
> so I need to set up an environment where I can run that.
> 
> There are alternatives, so the instructions should probably be updated to
> use them. I have "fiptool" from ARM trusted firmware v2.0, and
> "fiptool create" should be able to do what fip_create did. Also I have
> meson-tools installed, providing amlbootsig which could replace 
> aml_encrypt_gxb.
> 
> Has someone used these alternate tools instead of the vendor binaries?
> How do the fip_create options from the README translate to fiptool?

Yes, Andreas Faerber has developed some tools for that : https://github.com/afaerber/meson-tools

You are free to join #linux-amlogic on Freenode and open source the missing bits,
but for now we haven't got issues with the ATF binary blobs provided by Amlogic and
we focused to have a clean and stable implementation of U-Boot & Linux.

The BL31 has already landed on ARM ATF repo : https://github.com/ARM-software/arm-trusted-firmware/tree/master/plat/meson/gxbb

Seems a couple of hackers are trying to reverse-engineer the BL2 and SCPI blobs,
but it's a complex job...

But note the GXBB SoC on he Odroid-C2 is deprecated and not supported anymore by Amlogic,
we focus mainly on the new platforms while trying to maintain the GXBB SoCs working
with the new features introduced.

Neil

> 
> Martin
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