On Fri, 24 Sep 2010 11:57:40 +0400
Anton Vorontsov <[email protected]> wrote:
> Doesn't explain why that worked on MPC8272 (CPM2) and MPC8560
> (also CPM2) machines though. But here's my guess (I no longer
> have these boards to test it):
>
> On 8272 I used this node:
>
> + s...@4c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "fsl,cpm2-spi", "fsl,spi";
> + reg = <0x11a80 0x40 0x89fc 0x2>;
>
> On that SOC there are two muram data regions 0x0..0x2000 and
> 0x9000..0x9100. Note that we actually don't want "data" regions,
> and the only reason why that worked is that sysdev/cpm_common.c
> maps muram(0)..muram(max).
Wouldn't it still fail the rh_alloc_fixed call?
-Scott
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