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DISCUSSION Renaud Barbier 4 participants 6 messages Oct 5, 2011 – Oct 6, 2011

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#1 lore raw
Quoted 8 lines · Renaud Barbier

Hello,
I am looking for information on how to boot Linux with a device tree.

Basically, I have a uImage and a device tree(dtb) and with U-boot I used to do:
bootm uImage_address -- dtb_address

How does it work with barebox?

which architecture do you work on ARM/PPC?

on Arm I'm working on Mutli uImage support but I've not yet add the DTB support

but you need to understand that on Barebox we do not use address but file and in the case of the multi image index

Best Regards,
J.

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#2 lore raw
In reply to Renaud Barbier
Quoted 8 lines · Renaud Barbier

Hello,
I am looking for information on how to boot Linux with a device tree.

Basically, I have a uImage and a device tree(dtb) and with U-boot I used to do:
bootm uImage_address -- dtb_address

How does it work with barebox?

As Jean-Christophe pointed out the architecture is important. On Arm we do not have devicetree support in any official tree, but I already have patches.

Sascha

Signature · 9 lines
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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#3 lore raw

Thanks.
It would be for a ppc.

I am evaluating barebox on a mpc8544.

Quoted 16 lines · Sascha Hauer
Quoted 8 lines · Renaud Barbier

Hello,
I am looking for information on how to boot Linux with a device tree.

Basically, I have a uImage and a device tree(dtb) and with U-boot I used to do:
bootm uImage_address -- dtb_address

How does it work with barebox?

As Jean-Christophe pointed out the architecture is important. On Arm we do not have devicetree support in any official tree, but I already have patches.

Sascha

Signature · 11 lines
Renaud Barbier
14, Links Place
3/2 great Michael House
Edinburgh, EH67EN
Tel: +44 131 561 3532


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#4 lore raw
Quoted 4 lines · Renaud Barbier

Thanks.
It would be for a ppc.

I am evaluating barebox on a mpc8544.

In this case it's bootm -o /some/blob /some/uImage

Note that this is likely to change in the near future as I'm working on oftree support for ARM and will integrate libfdt then.

Sascha

Signature · 9 lines
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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#5 lore raw
In reply to Renaud Barbier

Hi Renaud,

Quoted 3 lines · Renaud Barbier

It would be for a ppc.

I am evaluating barebox on a mpc8544.

Can you share your experience with running Barebox on this e500 based chip? Have you added anything to the generic arch/ppc/ code?

I'm currently working with an e500 based chip (P1011), so I'm very much interested in your experience.

baruch

Quoted 15 lines · Sascha Hauer
Quoted 14 lines · Renaud Barbier
Quoted 8 lines

Hello,
I am looking for information on how to boot Linux with a device tree.

Basically, I have a uImage and a device tree(dtb) and with U-boot I used to do:
bootm uImage_address -- dtb_address

How does it work with barebox?

As Jean-Christophe pointed out the architecture is important. On Arm we do not have devicetree support in any official tree, but I already have patches.

Sascha

Signature · 8 lines
                                                     ~. .~   Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
   - [email protected] - tel: +972.2.679.5364, http://www.tkos.co.il -

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