DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:in-reply-to:references:date:message-id:subject:from:to
         :cc:content-type:content-transfer-encoding;
        b=fADxxZfgYz5uSnl5f3wxSmn/71abNjhg7ESoq5RtIdF9XjJWfVW20/6X3jujzsBuaf
         BxdQ4Y+3mDDCRg3RRYWp/NNJredBYDfXgQ/LUse2qYfyfWhyNADNXAd/jj9MI1JTla/X
         SIAOJeTQfiDdiHvkywSMEBIYmF4dJIS7qIN6s=
MIME-Version: 1.0
In-Reply-To: <AANLkTil5TWYILcdp872as8S8LMqQWhPYWLt7cxs2lUm5@mail.gmail.com>
References: <1275371058.7001.35.camel@balakrishnan-desktop>
	<201006051919.17738.marek.vasut@gmail.com>
	<AANLkTil5TWYILcdp872as8S8LMqQWhPYWLt7cxs2lUm5@mail.gmail.com>
Date: Sun, 6 Jun 2010 20:03:32 +0300
Message-ID: <AANLkTikMTZ8bl_B0kvowJmtKyRrPbF7Qds3YMeVCWw7E@mail.gmail.com>
Subject: Re: pxa300 - DDRAM base value
From: Mike Rapoport <mike.rapoport@gmail.com>
To: Eric Miao <eric.y.miao@gmail.com>
Cc: Marek Vasut <marek.vasut@gmail.com>, linux-arm-kernel@lists.infradead.org,
       balakrishnan <balakrishnan@e-consystems.com>,
       linux-kernel@vger.kernel.org, Maharajan <maharajan@e-consystems.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8BIT
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 2051
Lines: 57

On Sun, Jun 6, 2010 at 11:17 AM, Eric Miao <eric.y.miao@gmail.com> wrote:
> On Sun, Jun 6, 2010 at 1:19 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> 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 ?
>>
>
> Should be working on pxa300/310 as well. If it doesn't, check you bootloader
> to make sure the mapping is OK, and memory doesn't exceed
> (0xa000_0000 - 0x8000_0000).

works on CM-X300 with both pxa300 and pxa310

> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
>


-- 
	Sincerely Yours,
		Mike.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/