[U-Boot] [PATCH V3] ARM: mx6: Add support for Kosagi Novena

Nikolay Dimitrov picmaster at mail.bg
Wed Sep 24 12:09:43 CEST 2014


Hi Tim,

On 09/24/2014 08:48 AM, Tim Harvey wrote:
> On Tue, Sep 23, 2014 at 4:42 PM, Nikolay Dimitrov <picmaster at mail.bg> wrote:
>> Hi Marek,
>>
>> On 09/23/2014 12:47 PM, Marek Vasut wrote:
>>>
>>> On Monday, September 22, 2014 at 08:24:05 PM, Nikolay Dimitrov wrote:
>>>>
>>>> One more comment - isn't the file novena.o used also for the TPL, when
>>>> building for SPL?
>>>
>>>
>>> No, there's no TPL involved on MX6.
>>
>> Ahh, ok. So the whole thing fits in OCRAM then? I remember that on GW
>> Ventana board the bootloader is executed in 2 parts - SPL in OCRAM and then
>> TPL loaded & executed in DRAM (at least I call this part TPL, please excuse
>> me if I'm wrong).
>>
>> Regards,
>> Nikolay
>>
>
> Nikolay,
>
> You are correct in that the Gateworks Ventana boards use SPL (to
> configure MMDC/DDR3) and u-boot.img (which I suppose technically could
> be called a Tertiary Program Loader or TPL). Marek's board here looks
> to be doing the same thing.
>
> I believe TPL commonly refers to something else in the u-boot
> community, but I'm not clear why. In the IMX6 world, the Primary Boot
> Loader, or PBL is the IMX6 BOOT ROM firmware.
>
> I would love to clear up this terminology in order to properly
> document it for my users.

Thanks for explaining. I would also prefer to use the accepted 
terminology here, so any clues will be greatly appreciated.

Kind regards,
Nikolay


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