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Re: [Discuss-gnuradio] Building BOOT.BIN for Zedboard to use with gnurad

From: Philip Balister
Subject: Re: [Discuss-gnuradio] Building BOOT.BIN for Zedboard to use with gnuradio-dev-image
Date: Tue, 09 Dec 2014 15:11:47 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0

On 12/09/2014 02:21 PM, Nowlan, Sean wrote:
>> On 12/09/2014 12:16 PM, Nick Foster wrote:
>>> A number of different distributions include a u-boot.elf suitable for 
>>> the Zedboard. I'm not a linux boot expert, but u-boot seems pretty 
>>> platform-agnostic when paired with a suitable FSBL.
> A lot of u-boots I've found point to a ramdisk filesystem instead of a 
> partition.

Modern ones let us use the uEnv.txt file to control u-boots behavior.


>>> The images here include a u-boot.elf that works with Zedboard, ZC702, 
>>> ZC706, etc.
>>> http://wiki.analog.com/resources/tools-software/linux-software/zynq_im
>>> ages
>>> Email me directly and I'll just send you the .elf if you're interested.
>> A pox on people using ancient stuff.
>> I think Sean wants to load an fpga image early in the boot process.
> Not trying to do anything fancy; just trying to reproduce Jonathan Pendlum's 
> FFT filter example, which was written back when that ancient stuff was 
> current. I think it'd be good for that to be updated for people who want to 
> run GNU Radio on Zynq. I know RFNoC will change how that's done with E310, 
> but we don't need RFNoC for MicroZed/ZedBoard/ZC70x. I'm happy to help with 
> the writeup if/when I figure all this out.
>> Try the image I posted a few days ago and drop a file called fpga.bin in the 
>> FAT partition. U-boot SPL will load that fpga.bin file then load u-boot.
>> You can now build the fsbl directly from u-boot but dropping the ps7* files 
>> in the right place. (See the OE recipe for how that is done there, and copy 
>> if you are building u-boot from Xilinx git)
> I'll try your newer image.
>> My understanding is the current release of Xilinx tools will give you
>> ps7 files with a license that is compatible with the GPL.
>> Philip
>>> --n
>>> On Tue, Dec 9, 2014 at 7:27 AM, Nowlan, Sean 
>>> <address@hidden>
>>> wrote:
>>>>  I'd like to use the gnuradio openembedded SDK and image that are 
>>>> available here [1] to reproduce the work here [2] without building my 
>>>> own openembedded image. I'm having trouble getting a working boot.bin 
>>>> for Zedboard without doing a full openembedded build. I know that 
>>>> there are licensing issues that may prohibit distributing an FSBL 
>>>> file, but I've gone ahead and done that using the directions in [2]. 
>>>> I'd like to compile boot.bin with the zynq_fsbl.bit I created with 
>>>> Xilinx 14.6, uImage, and the device tree binary distributed in [1]. 
>>>> However, in order to use the build script in zynq-acp, I need 
>>>> u-boot.elf, and [1] only provides u-boot.bin. Is there another way to 
>>>> compile these without doing a full openembedded build?
> .>>
>>>> [1]          http://gnuradio.org/data/sdk/zedboard_armv7a-sf-vfp-neon/
>>>> [2]          http://gnuradio.org/redmine/projects/gnuradio/wiki/Zynq
>>>> Thanks,
>>>> Sean
>>>> _______________________________________________
>>>> Discuss-gnuradio mailing list
>>>> address@hidden
>>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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