question about UART ST16C2552

Yuxiao Xi xiyuxiao at harbournetworks.com
Fri Sep 19 11:39:23 EST 2003


Yes,I have an external DUART ST16C2552.
Kumar,should ST16C2552 be detected as 16550A?
When and where can I get the patch for the on-chip UART you said?
Thanks.

> -----Original Message-----
> From: Kumar Gala [mailto:kumar.gala at motorola.com]
>Thanks for the correction.  I guess my comments really apply to 8241,
>8245 and 8540 then.
>
>On Thursday, September 18, 2003, at 11:23 AM, Milliorn Gary-rxcr80 wrote:
>
>>  There is no DUART on the MPC8240, if 8240 is what he literally
>> meant. Some boards, like Unity, used to have an external DUART
>> for this reason.
>>
>> > -----Original Message-----
>> > From: Kumar Gala [mailto:kumar.gala at motorola.com]
>> > Sent: Thursday, September 18, 2003 11:01 AM
>> > Subject: Re: question about UART ST16C2552
>> >
>> > For 824x the detection code for the on-chip UART does NOT currently
>> > detect it as a 16550A.  There is a patch that Tom Rini and I are
>> > working on getting accepted by the serial maintainers, that should
>> > fix this.
>> >
>> > However, its not clear to me from your email if you also have a
>> > ST16C2552 in addition to the DUART on the 8240.

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡Yuxiao Xi
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡xiyuxiao at harbournetworks.com
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2003-09-19

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