Messages in this thread | | | Date | Thu, 13 Sep 2012 08:47:06 +0200 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH] of: specify initrd location using 64-bit |
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On 09/13/2012 12:08 AM, Rob Herring wrote: >> Geert is right here. If it is a physical address, it should be >> phys_addr_t. > > While generally true, for the DT specific code I think it should be a > fixed u64. The size of the address is defined by the FDT, not the > kernel. It is very likely we could have a FDT that specifies addresses > in 64-bit values, but then we boot a kernel is compiled for !LPAE. > phys_addr_t is currently sized based on LPAE setting.
If your kernel is 32bit without PAE and your DTB address is >32ibt than you can't handle it. If you don't notice this in your dt code than you remap the wrong memory ioremap().
> > Rob >
Sebastian
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