[ELDK] EBC error

[Stefan Roese]

Hi Zaahir Khan,

On Thursday 03 September 2009 14:08:49 Zaahir Khan wrote:
> I am using customized board based on sequoia(ppc440epx).
> 
> 
> FPGA is connected EBC @C0000000 on board.
>
> at CS2
> 
> 
> #define CFG_EBC_PB2AP         0x24814580
> #define CFG_EBC_PB2CR          (CFG_FPGA_BASE | 0x9C000) //16MB & 32-bit
>  Bus
> 
> In uboot when I tried
> 
> #md C0000000
> 
> getting some data and CS2 pulsating.

OK, so this is working fine.
 
> I written the driver for FPGA in kernel.
> 
> Did request_mem_region and ioremap.

Please note that the physical address is 1.c000.0000 (36bit). You should use 
the device-tree to correctly describe the device (FPGA) and use of_iomap() to 
get the virtual address to access the device from the driver.

Cheers,
Stefan

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