| 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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| In-reply-to: | <hhq35v$m1q$1@ger.gmane.org> |
| References: | <hhq35v$m1q$1@ger.gmane.org> |
| Sender: | linux-mips-bounce@linux-mips.org |
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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