[U-Boot] [PATCH v4 10/11] Add u-boot-pad.bin target to the Makefile

José Miguel Gonçalves jose.goncalves at inov.pt
Fri Sep 21 03:08:09 CEST 2012


On 20-09-2012 19:09, Scott Wood wrote:
> On 09/20/2012 11:01:42 AM, Tom Warren wrote:
>> > -----Original Message-----
>> > From: Tom Rini [mailto:trini at ti.com]
>> > Sent: Wednesday, September 19, 2012 6:29 PM
>> > To: José Miguel Gonçalves
>> > Cc: Scott Wood; u-boot at lists.denx.de; marex at denx.de; mk7.kang at samsung.com;
>> > Tom Warren
>> > Subject: Re: [PATCH v4 10/11] Add u-boot-pad.bin target to the Makefile
>> >
>> > Tom W, since I'd like you to upgrade the tegra rules after this change goes
>> > in (since they do a u-boot-spl.bin + pad + u-boot.bin + stuff), does this
>> > look good to you as well?  Thanks!
>>
>> I'm not clear what you want the final binary names to be. I seem to be missing 
>> segments of this discussion - maybe not CC'd on all threads?
>>
>> With Tegra, if you flash u-boot.bin, you'll get a DT-less, non-functional 
>> binary that will print a 'DT missing!' message and reset ad infinitum. Most 
>> folks won't see or care about u-boot-spl.bin, since it's hidden in the spl/ 
>> subdir. I don't see the use of having a 'u-boot-with-spl.bin' - doesn't 
>> u-boot-spl.bin say the same thing?
>
> u-boot-spl.bin is just the SPL.  u-boot-with-spl.bin is SPL plus u-boot.
>
> Or maybe the former could just become spl.bin, and then u-boot-spl.bin could 
> mean the latter?  There's really no reason to put "u-boot" in the name of every 
> intermediate file that represents something more specific.

So, before I resubmit my patch, can you please tell me what should be the name for 
the file with SPL plus u-boot;

1) u-boot-with-spl.bin
2) u-boot-spl.bin (and rename the SPL only file to 'spl.bin')
3) ???

>
>> If you flash u-boot-dtb-tegra.bin, you'll get a fully functioning U-Boot. 
>> There's an intermediate file (u-boot-dtb.bin) that I assume is u-boot.bin+dtb - 
>> I'm not sure why it's left around - Allen could comment here.
>
> It's useful to leave intermediate files around for debugging.
>
>> So in my eyes, all you really need is u-boot-dtb-tegra.bin - an unwieldy name, 
>> to be sure, but it seems to satisfy your request for a Soc identifier in the name.
>
> If the only thing Tegra-specific about the output format is that it has a dtb 
> bundled, I think it should have a more generic name, as other targets could end 
> up using a dtb as well.
>
>

Best regards,
José Gonçalves


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