On 03/21/2013 10:31 PM, Arnd Bergmann wrote:
On Thursday 21 March 2013, Thomas Petazzoni wrote:
In the mean time can we do something like:
soc {
compatible = "simple-bus";
range =<...>;
[... all the peripherals ...]
};
with
On 03/21/2013 10:41 PM, Jason Gunthorpe wrote:
On Thu, Mar 21, 2013 at 10:15:23PM +0100, Thomas Petazzoni wrote:
Dear Jason Gunthorpe,
On Thu, 21 Mar 2013 14:55:45 -0600, Jason Gunthorpe wrote:
Or, better, locate all the internal registers above 8G and use
contiguous DRAM mapping from 0 -> 8
On Thu, Mar 21, 2013 at 10:15:23PM +0100, Thomas Petazzoni wrote:
> Dear Jason Gunthorpe,
>
> On Thu, 21 Mar 2013 14:55:45 -0600, Jason Gunthorpe wrote:
>
> > Or, better, locate all the internal registers above 8G and use
> > contiguous DRAM mapping from 0 -> 8GB
>
> I see two potential issues w
On Thursday 21 March 2013, Thomas Petazzoni wrote:
> In the mean time can we do something like:
>
> soc {
> compatible = "simple-bus";
> range = <...>;
>
> [... all the peripherals ...]
> };
>
> with the range = <...> property conve
Dear Andrew Lunn,
On Thu, 21 Mar 2013 21:37:51 +0100, Andrew Lunn wrote:
> > And I'm not sure the SDRAM address decoding windows allows to split the
> > first 4 GB of RAM into two areas, one that would be mapped starting at
> > physical address 0x0, and another area that would be mapped at a
> >
Dear Jason Gunthorpe,
On Thu, 21 Mar 2013 14:55:45 -0600, Jason Gunthorpe wrote:
> Or, better, locate all the internal registers above 8G and use
> contiguous DRAM mapping from 0 -> 8GB
I see two potential issues with this idea:
*) It only works when LPAE is enabled, so we would have to have
Dear Andrew Lunn,
On Thu, 21 Mar 2013 21:37:51 +0100, Andrew Lunn wrote:
> > And I'm not sure the SDRAM address decoding windows allows to split the
> > first 4 GB of RAM into two areas, one that would be mapped starting at
> > physical address 0x0, and another area that would be mapped at a
> >
On Thu, Mar 21, 2013 at 09:22:36PM +0100, Thomas Petazzoni wrote:
> And I'm not sure the SDRAM address decoding windows allows to split the
> first 4 GB of RAM into two areas, one that would be mapped starting at
> physical address 0x0, and another area that would be mapped at a
> different addres
On Thu, Mar 21, 2013 at 09:22:36PM +0100, Thomas Petazzoni wrote:
> Dear Andrew Lunn,
>
> On Thu, 21 Mar 2013 21:15:33 +0100, Andrew Lunn wrote:
>
> > Could you recommend a document which introduces LPAE.
> >
> > Only being able to address 7GB seems a bit odd to me. I kind of
> > expected you se
On Thu, Mar 21, 2013 at 09:22:36PM +0100, Thomas Petazzoni wrote:
> Dear Andrew Lunn,
>
> On Thu, 21 Mar 2013 21:15:33 +0100, Andrew Lunn wrote:
>
> > Could you recommend a document which introduces LPAE.
> >
> > Only being able to address 7GB seems a bit odd to me. I kind of
> > expected you se
Dear Andrew Lunn,
On Thu, 21 Mar 2013 21:15:33 +0100, Andrew Lunn wrote:
> Could you recommend a document which introduces LPAE.
>
> Only being able to address 7GB seems a bit odd to me. I kind of
> expected you set up the translation tables to map a page in the 32 bit
> address range to any arb
> /*
> - * 4 GB of plug-in RAM modules by default but only 3GB
> - * are visible, the amount of memory available can be
> - * changed by the bootloader according the size of the
> - * module actually plugged
> + * 8 GB o
Dear Arnd Bergmann,
On Thu, 21 Mar 2013 19:03:52 +, Arnd Bergmann wrote:
> On Thursday 21 March 2013, Rob Herring wrote:
> > > soc {
> > > - #address-cells = <1>;
> > > - #size-cells = <1>;
> > > + #address-cells = <2>;
> > > + #size-cells
On Thursday 21 March 2013, Rob Herring wrote:
> > soc {
> > - #address-cells = <1>;
> > - #size-cells = <1>;
> > + #address-cells = <2>;
> > + #size-cells = <2>;
>
> If all the addresses for the soc bus are below 4GB or even within a 4GB
> rang
On 03/21/2013 11:26 AM, Gregory CLEMENT wrote:
> In order to be able to use more than 4GB of RAM when the LPAE is
> activated, the dts must be converted in 64 bits.
>
> Armada XP and Armada 370 share a dtsi file which have also be
> converted to 64 bits. This lead to convert all the device tree fi
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