What are the files that correspond to the Device Tree in the RTEMS-libBSD?

[Sebastian Huber]

On 18/09/17 13:36, mfg wrote:

> Hello all,
>
> I have a question related to the email previously sent by Moritz.
>
> Actually I'm working with a board similar to zc702 board.
>
> My question is:
>
> If we have a device tree, it is easy to see which is the register is 
> being used, for example in Zedboard's DT:

Currently, this BSP doesn't use/support the FDT.

>
>
>             phy at 0 {
>                 compatible = "marvell,88e1510";
>                 device_type = "ethernet-phy";
>                 reg = <0x0>;
>                 marvell,reg-init = <0x3 0x10 0xff00 0x1e 0x3 0x11 
> 0xfff0 0xa>;
>                 linux,phandle = <0x4>;
>                 phandle = <0x4>;
>             };
>
> The PHY register for MDIO is the 0x0.
>
> In RTEMS, Which file I have to touch for change this?  I mean if I 
> want to use the 0x2 instead 0x0 or, for example, if I wanted to add 
> another ethernet interface.

The FDT is usually provided by the boot procedure (U-Boot commands) and 
stored somewhere on the board, e.g. EEPROM, flash or SD/MMC card.

>
> I've only worked with DT and I'm not sure how to change it in 
> RTEMS-libBSD.
>
>
> Thanks in advance.
>
> Marco Fuentes García.
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> users at rtems.org
> http://lists.rtems.org/mailman/listinfo/users

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Sebastian Huber, embedded brains GmbH

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