[U-Boot] u-boot 1.1.2 boot latest powerpc based kernel?

[Timur Tabi]

Shawn Jin wrote:

> However my concern is specific to the powerpc arch. If I understand
> correctly, the powerpc arch expects a bootloader provide a DTS file.
> I'm not sure how the current U-Boot transfers such info to the
> kernerl. 

One of the registers (r7 maybe?) contains the address of the device tree.

> People here can shed some light on this? I'm certain the old
> U-Boot (e.g. 1.1.2) doesn't have this kind of capability.

That's why cuImage was invented.  cuImage embeds the device tree in the
kernel image.  The drawback is that you can't rely on U-Boot to do any fixups.

> The bd_info
> is still one of data transferred to the kernel, right? How does
> bd_info work with the DTS info?

That, I don't know.

-- 
Timur Tabi
Linux kernel developer at Freescale