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Re: cyg_user_start fails to start
We have changed the ram base and length settings
in
mlt_arm_at91_eb40a_romram.h
mlt_arm_at91_eb40a_romram.ldi
/ecoscvs/ecos/packages/hal/arm/at91/eb40a/current/include/pkgconf
Are these changes enough for setting up MMU and
letting eCOS know abt the external SRAM.
On Thu, 27 Jan 2005 19:56:16 +0100, Andrew Lunn <andrew@lunn.ch> wrote:
> On Thu, Jan 27, 2005 at 10:50:04AM -0800, Harshit Suri wrote:
> > Thanks Andrew we have 1 MByte of external SRAM so i tried changing the
> > hal_platform_setup.h :
> > FROM ldr r2,=0x02010000
> > TO ldr r2,=0x020FFFFF
> >
> > It still doesnt work this time some LEDs on the at91eb40a board stay
> > permanently on.
> > did i make the incorrect change?
> > thanks
>
> Try different size and see what different crashes you get. That will
> tell you where the boundary condition is.
>
> Does eCos know you have 1Mbyte of external SRAM? Is it correctly
> setting up the MMU for this?
>
> Andrew
>
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