Kumar, 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.
Gary Milliorn > -----Original Message----- > From: Kumar Gala [mailto:kumar.gala at motorola.com] > Sent: Thursday, September 18, 2003 11:01 AM > To: Yuxiao Xi > Cc: linuxppc-embedded > 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. > > - kumar > > On Wednesday, September 17, 2003, at 08:37 PM, Yuxiao Xi wrote: > > > > > Hi,all, > > Does Linux support UART ST16C2552 ? > > There is a UART ST16C2552 on my board with CPU ppc8240. > > While the linux system booting,sometimes function autoconfig(struct > > serial_state * state) in ./drivers/char/serial.c detected > ST16C2552 as > > 16450,sometimes as 8250,can anyone tell me why? > > > > !!!!!!!!!!!!!!!!Yuxiao Xi > > !!!!!!!!!!!!!!!!xiyuxiao at harbournetworks.com > > !!!!!!!!!!!!!!!!!!!!2003-09-18 > > > > > -------------- next part -------------- A non-text attachment was scrubbed... Name: Gary Milliorn (E-mail).vcf Type: application/octet-stream Size: 457 bytes Desc: not available Url : http://ozlabs.org/pipermail/linuxppc-embedded/attachments/20030918/a76f1f74/attachment.obj
