[U-Boot] [PATCH v2 7/7] Tegra30: Add/enable Cardhu build (T30 reference board)

Tom Warren twarren.nvidia at gmail.com
Tue Dec 4 22:28:02 CET 2012


Lucas,

On Tue, Dec 4, 2012 at 1:40 PM, Lucas Stach <dev at lynxeye.de> wrote:
> Hi Tom,
>
> Am Dienstag, den 04.12.2012, 13:22 -0700 schrieb Tom Warren:
> [...]
>>
>> >
>> >> +#define V_NS16550_CLK                        216000000       /* 216MHz (pllp_out0) */
>> >
>> > I thought PLL_P ran at 408MHz on Tegra30? The kernel certainly sets it
>> > up that way.
>>
>> See my previous reply. In the internal U-Boot repo I ported from, PLLP
>> was initially set to 216MHz, then sped up to 408MHz. When this first
>> round of patches is in, I can address going to 408MHz first thing.
>>
> Is running the PLL_P at 408MHz something which requires a lot of work?
> If not, please do this and fold it into this patchset. It doesn't look
> too nice adding things to upstream which have to be changed/removed
> immediately after going in.
>
> Considering that Tegra 30 support is still not really in a usable state
> after this patchset and the time left until things have to get ready for
> the next merge window, I suppose you could do it the right way from the
> start.

I'll investigate.

Thanks,

Tom
>
> Regards,
> Lucas
>


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