[uClinux-dev] Change the memory map !

Santosh Bhat sanbhat at globaledgesoft.com
Sun Mar 2 06:13:42 EST 2003


Hi Yadong thanx for your reply. But I didnot follow the content of your
mail. Can u be little more descriptive on this ? Thanx for the help/
Regards
Santosh Bhat
----- Original Message -----
From: "YaDong Wang" <YaDongW at netro-corp.com>
To: <uclinux-dev at uclinux.org>
Sent: Friday, February 28, 2003 12:55 AM
Subject: RE: [uClinux-dev] Change the memory map !


> Hi,
> The samsung 4510 processor can not change the vector location (at address
0x0). After boot up from flash (base address 0),
> you need swap the Chip select register between the Flash and SDRAM to
re-map SDRAM into 0 based address. That is what I did in our EVB board. (see
www.espd-inc.com)
>
> Hope this help.
>
> Yadong Wang
>
>
>
> -----Original Message-----
> From: David McCullough [mailto:davidm at snapgear.com]
> Sent: Wednesday, February 26, 2003 9:19 PM
> To: uclinux-dev at uclinux.org
> Subject: Re: [uClinux-dev] Change the memory map !
>
>
>
> Jivin Santosh Bhat lays it down ...
> > Hi List ,
> > I am porting the ARM7tdmi core on to Samsung processor.My ram is
@0xc000000
> > and the flash is at 0x00 . Can please any one tell me what are the
> > modifications i need to do in the source tree in order to execute . I
have
> > made sure the DRAM_BASE address is properly configured to 0xc000000 and
> > specified it is 8 mb, and also the flash start address as 0x0.
>
> You probably want PAGE_OFFSET to point to 0xc000000 as well,  if it
> doesn't do this automatically,
>
> Cheers,
> Davidm
>
> --
> David McCullough:    Ph: +61 7 3435 2815  http://www.SnapGear.com
> davidm at snapgear.com  Fx: +61 7 3891 3630  Custom Embedded Solutions +
Security
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