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From: marek.vasut@gmail.com (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: 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 ?t 1. ?ervna 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 ?

WARNING: multiple messages have this Message-ID (diff)
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 ?

  reply	other threads:[~2010-06-05 17:19 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-01  5:44 pxa300 - DDRAM base value balakrishnan
2010-06-05 17:19 ` Marek Vasut [this message]
2010-06-05 17:19   ` Marek Vasut
2010-06-06  8:17   ` Eric Miao
2010-06-06  8:17     ` Eric Miao
2010-06-06 16:34     ` Marek Vasut
2010-06-06 16:34       ` Marek Vasut
2010-06-07  6:29       ` balakrishnan
2010-06-07  6:58         ` Marek Vasut
2010-06-07  6:58           ` Marek Vasut
2010-06-07 19:37         ` Mike Rapoport
2010-06-07 19:37           ` Mike Rapoport
2010-06-07 19:43           ` Marek Vasut
2010-06-07 19:43             ` Marek Vasut
2010-06-08  6:21             ` Mike Rapoport
2010-06-08  6:21               ` Mike Rapoport
2010-06-06 17:03     ` Mike Rapoport
2010-06-06 17:03       ` Mike Rapoport

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