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Re: [RFC] Support 36-bit iomem on 32-bit Au1x00

To: "pascal@pabr.org" <pascal@pabr.org>
Subject: Re: [RFC] Support 36-bit iomem on 32-bit Au1x00
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Tue, 26 Jan 2010 21:46:45 +0100
Cc: linux-mips@linux-mips.org
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Hi Pascal,

On Sun, Jan 3, 2010 at 1:39 PM, pascal@pabr.org <pascal@pabr.org> wrote:
> Hi,
>
> I believe these changes are needed on Alchemy SoCs in order to
> use iomem above 4G with the usual platform_device machinery:
>
> - Set CONFIG_ARCH_PHYS_ADDR_T_64BIT to make resource_size_t 64-bit.
> - Increase IOMEM_RESOURCE_END so that platforms can register resources.

Have you tried to register a platform device above the 4G line?  I get an oops
inside the platform device match code  when I do.  I'll try to figure out why.

Manuel

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