lkml.org 
[lkml]   [2012]   [Aug]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 04/31] arm64: MMU definitions
On Fri, Aug 17, 2012 at 10:04:52AM +0100, Tony Lindgren wrote:
> * Catalin Marinas <catalin.marinas@arm.com> [120814 10:57]:
> > The virtual memory layout is described in
> > Documentation/arm64/memory.txt. This patch adds the MMU definitions for
> > the 4KB and 64KB translation table configurations. The SECTION_SIZE is
> > 2MB with 4KB page and 512MB with 64KB page configuration.
> >
> > PHYS_OFFSET is calculated at run-time and stored in a variable (no
> > run-time code patching at this stage).
>
> Care to clarify this part a bit? Is the memory standardized somehow
> now and not needed? Or do we still need to add that for various SoCs
> later on?

The memory is not standardised but we have FDT to fully specify it. The
PHYS_OFFSET does not need to be defined, it is automatically detected at
boo-time based on the kernel load address and stored in a variable to be
used later.

> Other than that:
>
> Acked-by: Tony Lindgren <tony@atomide.com>

Thanks.

--
Catalin


\
 
 \ /
  Last update: 2012-08-17 12:01    [W:0.814 / U:0.812 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site