This is the mail archive of the ecos-discuss@sourceware.org mailing list for the eCos project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: FW: IXDP425 SDRAM CONFIG & Linux ATAGS




It did not resolve the issue. I changed it to reflect 32MB however ATAGs are still not passed to kernel.







Thanks!

-Dave




----- Original Message ----- From: "??????????? ????? ???????????" <kondratenko@tecon.ru>
To: "Dave" <dave@cc0.net>
Cc: <ecos-discuss@sources.redhat.com>
Sent: Thursday, September 15, 2005 12:43 AM
Subject: RE: [ECOS] FW: [ECOS] IXDP425 SDRAM CONFIG & Linux ATAGS



For all. (since RAM is needed for any configuration)


-----Original Message-----
From: Dave [mailto:dave@cc0.net]
Sent: Wednesday, September 14, 2005 7:24 PM
To: ??????????? ????? ???????????; ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] FW: [ECOS] IXDP425 SDRAM CONFIG & Linux ATAGS



Isn't that for a RAM or ROMRAM RedBoot and not a ROM RedBoot?



Thanks!


-Dave





-----Original Message----- From: ??????????? ????? ??????????? Sent: Wednesday, September 14, 2005 4:46 PM To: 'Dave' Subject: RE: [ECOS] IXDP425 SDRAM CONFIG & Linux ATAGS

packages\hal\arm\xscale\ixdp425\current\include\pkgconf\mlt_ar
m_xscale_ixdp425_ram.h

#define CYGMEM_REGION_ram (0)
#define CYGMEM_REGION_ram_SIZE (0x10000000)

> -----Original Message-----
> From: ecos-discuss-owner@ecos.sourceware.org
> [mailto:ecos-discuss-owner@ecos.sourceware.org] On Behalf Of Dave
> Sent: Wednesday, September 14, 2005 9:20 AM
> To: ecos-discuss@sources.redhat.com
> Subject: [ECOS] IXDP425 SDRAM CONFIG & Linux ATAGS
>
> Hello all,
>
> I am working on a custom IXP425 board which is wired identical to an
> IXDP425 except using different flash and SDRAM sizes/configs.
>
> I am running into an interesting problem regarding passing of ATAG
> values from RedBoot to a Linux kernel (2.4.27) and was
hoping someone
> might have some insight and pointers on where to look. I
have reviewed
> the several similar messages on the ecos-discuss mailing list
> regarding SDRAM config on IXP boards but nothing that
helped with my
> issue. I have also been googling a bit to no avail.
>
> One of our boards is a 64MB SDRAM board and when using RedBoot 2.01
> and setting SDRAM size appropriately and SDRAM_CONFIG_2x16Mx16, etc
> all seems well. ATAGs are passed correctly from RB to the
kernel, in
> particular ATAG_CMDLINE gets passed correctly via exec -c
""...and the
> kernel picks it up just fine.
>
> A new board is a 32MB SDRAM board and using same RB 2.01 except
> changing SDRAM size and SDRAM_CONFIG_2x8Mx16, etc to
reflect the 32MB
> layout. This board boots fine and most all seems ok however
ATAGs are
> not being passed down to the kernel. Specifically
ATAG_CMDLINE is not
> being recognized and I would presume the others are not as well.
>
> I suspect I am missing something that needs to be modified
in RB with
> regard to the SDRAM changes between boards however I cannot locate
> anything that I may be missing. I have read that
hal_platform_extras.
> needs to be fixed up for SDRAM changes however it has
apparently been
> replaced with hal_platform_setup.h and it seems it uses all macros
> from ixdp425.h thus leading me to believe no change is needed.
>
> Anyone have any ideas on what I may be missing?
>
>
> Thanks!
>
> -Dave
>
>
>
>
>
>
>
>
>
> --
> Before posting, please read the FAQ:
> http://ecos.sourceware.org/fom/ecos
> and search the list archive:
> http://ecos.sourceware.org/ml/ecos-discuss
>
>

--
Before posting, please read the FAQ:
http://ecos.sourceware.org/fom/ecos
and search the list archive:
http://ecos.sourceware.org/ml/ecos-discuss




-- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss



--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]