[PATCH v3 2/9] ARM: OMAP: mcbsp: Enable FIFO use for OMAP2430

Jarkko Nikula jarkko.nikula at bitmer.com
Fri Aug 17 09:14:36 EDT 2012


On 08/17/2012 04:07 PM, Tony Lindgren wrote:
> * Peter Ujfalusi <peter.ujfalusi at ti.com> [120816 06:41]:
>> On OMAP2430 all McBSP ports have 128 word long buffer, enable the use of
>> the FIFO for the audio stack.
> Is this the case also for 2420? I thought some only had a FIFO at
> one port?
> 
IRCC (I don't have specs), nope. Only 2430 (as noted by Peter) and
onwards have FIFO.

But that's true that FIFO sizes differ between the ports. E.g. only
ports 2 and 3 have 1024+128 deep FIFOs in OMAP3.

-- 
Jarkko



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