[U-Boot] [PATCH 0/7] libfdt: Update to resync with dtc/libfdt

Jerry Van Baren
2008-08-21T02:08:09Z

David Gibson wrote:
> On Wed, Aug 20, 2008 at 09:45:04PM -0400, Jerry Van Baren wrote:
>> gvb.uboot at gmail.com wrote:
>>> The following changesets resynchronize u-boot with the master libfdt.
>>>
>>> Best regards,
>>> gvb
>> First results using aliases with David's libfdt improvements...
>>
>> These are the aliases:
>>
>> => fdt p /aliases
>> aliases {
>> ethernet0 = "/qe at e0100000/ucc at 2000";
>> ethernet1 = "/qe at e0100000/ucc at 3000";
>> serial0 = "/soc8360 at e0000000/serial at 4500";
>> serial1 = "/soc8360 at e0000000/serial at 4600";
>> pci0 = "/pci at e0008500";
>> };
>>
>> Dereference an alias by not using the '/' prefix per OF conventions:
>>
>> => fdt print ethernet0
>> ucc at 2000 {
>> device_type = "network";
>> compatible = "ucc_geth";
>> cell-index = <0x1>;
>> reg = <0x2000 0x200>;
>> interrupts = <0x20>;
>> interrupt-parent = <0x2>;
>> local-mac-address = [00 00 00 00 00 00];
>> rx-clock-name = "none";
>> tx-clock-name = "clk9";
>> phy-handle = <0x3>;
>> phy-connection-type = "rgmii-id";
>> pio-handle = <0x4>;
>> };
>>
>> Whooo-heeee!
>>
>> Dereference the ethernet0 alias and print a property:
>>
>> => fdt print ethernet0/phy-connection-type
>> libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND
>
> Uh... didn't I talk you out of this broken path-to-property stuff way
> back when?

Dang, you are quick. I just realized that myself. The alias
dereference *IS* working as expected.

As you point out, the proper syntax is path <space> property:
=> fdt print ethernet0 phy-connection-type
device_type = "network"

which works just fine.

Thanks!
gvb