Re: [microblaze-uclinux] plb tft lcd controller

["leo han" <wenwenti@xxxxxxxxxxx>]

Hi Paul,

I am not sure I understand what you said. So you mean we should have the DDR 
connected to plb bus. And the tft reads data from DDR through plb bus, while 
the MicroBlaze reads/write data from/to memory through opb2plb bridge. Is 
that right?
Our current solution is DDR on opb bus. The tft reads the DDR through 
plb2opb bridge.   And we do not have the opb2dcr bridge.

Thanks.


> From: "leo han" <wenwenti@xxxxxxxxxxx>
> Reply-To: microblaze-uclinux@xxxxxxxxxxxxxx
> To: microblaze-uclinux@xxxxxxxxxxxxxx
> Subject: Re: [microblaze-uclinux] plb tft lcd controller
> Date: Mon, 20 Feb 2006 20:44:48 -0800
>
> Yes. I am using the microblaze with tft. It has the opb2plb bridge. But I 
> don't instatiate the opb2dcr bridge. Actually, this tft works well if I use 
> powerpc. I will try the opb2dcr bridge. Thanks.
>
> > From: Paul Hartke <phartke@xxxxxxxxxxxx>
> > Reply-To: microblaze-uclinux@xxxxxxxxxxxxxx
> > To: microblaze-uclinux@xxxxxxxxxxxxxx, leo han <wenwenti@xxxxxxxxxxx>
> > CC: microblaze-uclinux@xxxxxxxxxxxxxx
> > Subject: Re: [microblaze-uclinux] plb tft lcd controller
> > Date: Sat, 18 Feb 2006 08:01:11 -0800
> >
> > Did you associate the tft_ref driver with the hardware plb_tft_cntrl_ref
> > pcore?  Otherwise EDK won't know to compile the software drivers for the
> > pcore.
> >
> > Also, I assume you are using Microblaze.  If that is the case, you need 
> > the
> > opb2plb bridge to connect the plb_tft_cntrl_ref to Microblaze.  Also,
> > you'll need an opb2dcr bridge for the control port as well.
> >
> > Paul
> >
> > Quoting leo han <wenwenti@xxxxxxxxxxx>:
> > > I had a problem with the tft controller. I instantiated an instance of
> > > the
> > > controller in BSB. It includes the IP in mhs. However, I can not 
> > compile
> > > the
> > > software I downloaded from xilinx. It seems that the generated
> > > xparameters.h
> > > file dose not define the macros for tft.
> > > Could anybody point me to any information about the tft?
> > > BTW, I am using EDK7.1 and XUP board.
> > >
> > > Thanks.
> > >
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