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
    * Catalin Marinas <catalin.marinas@arm.com> [120817 02:21]:
    > 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.

    OK nice thanks.

    Tony


    \
     
     \ /
      Last update: 2012-08-17 12:21    [W:3.125 / U:0.004 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site