Messages in this thread | | | Date | Thu, 21 Mar 2013 22:08:10 +0100 | From | Thomas Petazzoni <> | Subject | Re: [PATCH 5/5] arm: dts: Convert mvebu device tree files to 64 bits |
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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 > > different address (above 4 GB). > > So why not map the whole SDRAM above 4GB physical address?
That's a good question. The problem is most likely that this would require to synchronize with U-Boot modifications, which is not easy to achieve.
Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com
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