[Arm-dev] Centos aarch64 on Raspberry PI 3

Sun Jan 8 04:58:33 UTC 2017
Robert Moskowitz <rgm at htt-consult.com>


On 01/07/2017 11:54 PM, Paul R. Ganci wrote:
>
> On 01/07/2017 09:11 PM, Robert Moskowitz wrote:
>> I thought the RPi3 is 32bit, not 64?
>>
>> See https://wiki.centos.org/SpecialInterestGroup/AltArch/Arm32
>>
>> For what is working with RPI 3
> I already have the 32 bit version running on the RPI 3. However, the 
> RPI 3 is 64 bits. Here is the specification
>
> <https://www.google.com/imgres?imgurl=https://hackadaycom.files.wordpress.com/2016/02/pispecs2.png&imgrefurl=http://hackaday.com/2016/02/28/introducing-the-raspberry-pi-3/&h=580&w=1116&tbnid=Jy9J_sr2BeagwM:&vet=1&tbnh=109&tbnw=211&docid=XePtcfF-lyDXzM&usg=__6zDhA6iUiypfs0pQZUzHxrOxd0w=&sa=X&ved=0ahUKEwjam6qF2rHRAhXM4IMKHXj_D3IQ9QEIHjAA>
> SOC BCM2837
> CPU Quad Cortex A53 @ 1.2GHz
> Instruction Set ARMv8-A

Ah...

> GPU 400MHz VideoCore IV
> RAM 1GB SDRAM
> Storage micro-SD
> Ethernet 10/100
> Wireless 802.11n/Bluetooth 4.0
> Video Output HDMI/composite
> Audio Output JDMI/Headphone
> GPIO 40

No SATA.  That is one of my basic requirements.

>
> The 1GB SDRAM does limit the usefulness but unless there is something 
> else that makes it impossible to run a 64 bit OS it should in 
> principle work.
>
> I made an image on an SD Card per the readme but where I am spinning 
> my wheels is the line that says this:
>
>  * You will need to add the appropriate boot information in a uefi entry
>    after using this image, since the installer traditionally handles
>    this.
>
> I am not sure what I have to do to get the system to boot off the 
> image I created. I tried some very obvious stuff such as grabbing a 
> cmdline.txt and config.txt from the 32bit version. If I look at the 
> 32bit version I see all this interesting stuff (e.g. 
> bcm2708-rpi-b.dtb, etc.) but there is no such stuff in the 64 bit boot 
> directory on the image. It seems lots of stuff might be missing? For 
> example I suppose I need 64 bit RPI3 firmware which might be unavailable?
>
>
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