[U-Boot] Modifying the Device tree fields

[Tom Rini]

On Fri, Jun 21, 2013 at 10:56:33PM +0530, Kamaraj P wrote:
> Hello All,
> 
> In my device tree blob, i would like to add some interrupt to the
> protected-source list dynamically in the u-boot before launching the linux
> kernel.
> 
>  mpic: pic at 40000 {
>             interrupt-controller;
>             #address-cells = <0>;
>             #interrupt-cells = <2>;
>             reg = <0x40000 0x40000>;
>             compatible = "chrp,open-pic";
>             device_type = "open-pic";
>             protected-sources = <
>             16
>              >
> 
> In the above DTS file,  i would like to add the other interrupts to the
>  protected-sources dynamically.
> I hope we need to use the device fdt APIs.  Could you please any pointers
> or  reference for how to use those APIs in the u-boot ?

If you can do it with the fdt command, you can then work out what the C
API versions would look like.

-- 
Tom
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