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Subject: Re: heads up - changing uart -> uart_ar71xx
From: Adrian Chadd <adrian@freebsd.org>
To: Warner Losh <imp@bsdimp.com>
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Cc: "Rodney W. Grimes" <freebsd@pdx.rh.cn85.chatusa.com>,
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On 16 November 2012 10:01, Warner Losh <imp@bsdimp.com> wrote:
>
> On Nov 16, 2012, at 10:35 AM, Rodney W. Grimes wrote:
>
>> This should be cleaned up better than that, what -kind- of uart is it?
>> There should be things called
>>       uart_8250 (should be able to drive everything from 8250 to 16950)
>>       uart_8530 (this is probalby the second most common uart in the world)
>>       uart_6850 (we would probably never see one of these)
>>       etc...
>>
>> Please do not lock this to a specific Mips chip if at all possible
>
> uart already services a dozen of other UARTs. It isn't tied to MIPS at all.  All Adrian seems to be doing is making what was automatic configuration a little more manual.

Well, strictly speaking yes. But what I'll do later is make a
'uart_core' and then allow my MIPS platforms to only register the
uart(s) they need.

Right now it includes all of the uarts in sys/dev/uart/. They're not
separate devices.



Adrian