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Re: what is FLYCNFG on XScale?


www.google.de found two hits: The second one gives a little more
information:

http://www.google.de/search?q=cache:KXurMyuUqBUC:www.intel.com/design/pca/applicationsprocessors/manuals/27850701.pdf+FLYCNFG&hl=de&ie=UTF-8

FLYCNFG: Fly by DMA DVAL assert and deassert times.

Page 47

     Andrew

On Fri, Oct 11, 2002 at 12:28:16PM +0200, Holger Schurig wrote:
> Hi everybody !
> 
> Does anybody know what FLYCNFG is?
> 
> In the "Intel PXA250 and PXA210 Application Processor Operating System 
> Developer's Guide" from February 2002 it says in Chapter 10, Point 2.
> 
>    a. Write MSC0, MSC1, MSC2
> 
>    b. Write MECR, MCMEM0...
> 
>    c. Write FLYCNFG
> 
> But the "Intel PXA250 and PXA210 Application Processor  Developer's Manual" 
> from February 2000 does not contain the string FLYCNFG.
> 
> The only reference that I found was in eCos (Redboot), in 
> hal/arm/xscale/lubbock/current/include/hal_platform_setup.h
> 
>    #define FLYCNFG_OFFSET  0x20
> 
> and boards/cradle/memsetup.S
> 
>    @ Step 2c
>    @ fly-by-dma is defeatured on this part
>    @ write flycnfg
>    @ldr     r2,  =CFG_FLYCNFG_VAL
>    @str     r2,  [r1, #FLYCNFG_OFFSET]
> 
> ...
>   .set FLYCNFG_VAL ,    0x01FE01FE              @ Fly-by-DMA config. reg - NOT 
> USED
> 
> 
> 
> -- 
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> and search the list archive: http://sources.redhat.com/ml/ecos-discuss
> 

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