building RaspPi Images

[Warner Losh]

On Feb 10, 2013, at 12:18 AM, Tim Kientzle wrote:

> On Feb 9, 2013, at 11:07 PM, Warner Losh wrote:
> 
>>> * For RPi, this already happens:  the first-stage boot
>>>   loads a DTB, ubldr uses "fdt addr" to access that DTB
>>>   in a known location and then passes it to the kernel.
>> 
>> Doesn't the RPi's boot loader give our /boot/loader enough info to get this without the fdt addr command?
> 
> I haven't dug into this yet, but there's a mismatch somewhere
> between the RPi first-stage boot loader, U-Boot, and our ubldr.
> 
> I briefly tried loading our kernel straight from the RPi
> first stage boot loader (dropping U-Boot and ubldr
> phases) but didn't get very far with it.

Our ubldr currently ignores r2 on boot, and tries to get the FDT via a different uboot interface, but I'm thinking that part is broken... 

Warner