[PATCH 1/7] msm: io: I/O register definitions for MSM8960

Russell King - ARM Linux linux at arm.linux.org.uk
Sun Jan 2 19:33:40 EST 2011


On Sat, Dec 25, 2010 at 11:04:11AM -0500, Nicolas Pitre wrote:
> On Fri, 24 Dec 2010, Arnd Bergmann wrote:
> 
> > On Friday 17 December 2010, David Brown wrote:
> > > I'm not sure really what to do about PHYS_OFFSET.  This is kind of the
> > > big thing that has kept us so far from making our SOCs multiply
> > > selectable.  I could move this into a Kconfig option, but it would
> > > still need to be selected by the SOC.  It is unfortunate that most of
> > > our SOCs have different enough memory configurations that these are
> > > mostly different.  Even 8960/8660 will probably have future variants
> > > that are at different addresses.
> > 
> > I think there are people working on relocatable kernels already,
> > and we definitely need this for the other work in progress of
> > doing kernel binaries that work across different SoC families,
> > as well as for doing a single kernel that can be used both for
> > booting the system and for kdump.
> > 
> > You don't need to worry about PHYS_OFFSET at the platform level,
> > we'll get there in a few months for all ARM platforms.
> 
> ... or in a few days even.  I'm currently working on the patch making 
> PHYS_OFFSET patched into the kernel at run time.  I'm currently looking 
> at what is needed to make it work also with Thumb2.

So where do we stand with:

http://lists.arm.linux.org.uk/lurker/message/20101110.175549.62a0b058.en.html

Is this something which should be queued for this merge window?



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