Antti ha escrito:

> Pablo schrieb:
>
> > Does anyone try to read values from sdram without the use of
> > Microblaze?. It is simple to read/write values in ddr sdram with the
> > use of pointer in MIcroblaze but how can you read values in vhdl code
> > for displaying an image (store in sdram) with the use of a vga core.
>
> connect VGA core to the OPB bus.
> done, works - simple :)
>
> Antti

Thanks, I have not considered this because I would create an
independient core, but I suppose that it's a good idea.

Have you tried MIG?

http://www.xilinx.com/products/design_resources/mem_corner/index.htm

"Pablo
"
> Does anyone try to read values from sdram without the use of
> Microblaze?. It is simple to read/write values in ddr sdram with the
> use of pointer in MIcroblaze but how can you read values in vhdl code
> for displaying an image (store in sdram) with the use of a vga core.

Pablo schrieb:

> Does anyone try to read values from sdram without the use of
> Microblaze?. It is simple to read/write values in ddr sdram with the
> use of pointer in MIcroblaze but how can you read values in vhdl code
> for displaying an image (store in sdram) with the use of a vga core.

connect VGA core to the OPB bus.
done, works - simple :)

Antti

Does anyone try to read values from sdram without the use of
Microblaze?. It is simple to read/write values in ddr sdram with the
use of pointer in MIcroblaze but how can you read values in vhdl code
for displaying an image (store in sdram) with the use of a vga core.