From: Marek Vasut <marek.vasut@gmail.com>
To: linux-arm-kernel@lists.infradead.org
Cc: balakrishnan <balakrishnan@e-consystems.com>,
linux-kernel@vger.kernel.org,
Maharajan <maharajan@e-consystems.com>,
Eric Miao <eric.y.miao@gmail.com>
Subject: Re: pxa300 - DDRAM base value
Date: Sat, 5 Jun 2010 19:19:17 +0200 [thread overview]
Message-ID: <201006051919.17738.marek.vasut@gmail.com> (raw)
In-Reply-To: <1275371058.7001.35.camel@balakrishnan-desktop>
Dne Út 1. června 2010 07:44:18 balakrishnan napsal(a):
> I am working on pxa300 based development board and using Linux 2.6.34.
> This Linux kernel already has support for following boards
> 1. zylonite_pxa300
> 2. cm-x300
> 3. colibri-pxa300
> 4. littleton
>
> My doubt is that pxa300 based boards are using "0xa0000000" as DDRAM
> base and PHYS_OFFSET is also defined in
> "arch/arm/mach-pxa/include/mach/memory.h" as 0xa0000000.
> But in our board DDR is mapped in 0x80000000. Does it make any
> problem?. Because after mmu is turned ON, my board is hanging.
>
> "zreladdr-y := 0x80008000" is defined in
> "arch/arm/mach-pxa/Makefile.boot" file .
> my machine_desc is as follows
> .phys_io = 0x40000000,
> .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
> .boot_params = 0x80000100,
>
Try editing both arch/arm/mach-pxa/Makefile.boot and
arch/arm/mach/pxa/include/mach/memory.h
> With Thanks
> J.Balakrishnan
The 0x80000000 should be aliased to 0xa0000000, but looking into the PXA docs,
it is only on pxa320. Eric, any ideas on this ?
next parent reply other threads:[~2010-06-05 17:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1275371058.7001.35.camel@balakrishnan-desktop>
2010-06-05 17:19 ` Marek Vasut [this message]
2010-06-06 8:17 ` pxa300 - DDRAM base value Eric Miao
2010-06-06 16:34 ` Marek Vasut
[not found] ` <1275892191.3501.17.camel@balakrishnan-desktop>
2010-06-07 6:58 ` Marek Vasut
2010-06-07 19:37 ` Mike Rapoport
2010-06-07 19:43 ` Marek Vasut
2010-06-08 6:21 ` Mike Rapoport
2010-06-06 17:03 ` Mike Rapoport
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