[U-Boot] Support of device-tree for PowerPC platform: Query

[Bin Meng]

Hi York,

On Thu, Jun 28, 2018 at 11:32 PM, York Sun <york.sun at nxp.com> wrote:
> On 06/27/2018 10:53 PM, Bin Meng wrote:
> <snip>
>>
>>> Can the DT perhaps go before U-Boot in the flash? We would need a way
>>> to find it though.
>>>
>>
>> I don't see any issue that DT go after U-Boot in the flash. x86 does
>> this way, and its reset vector is also the last address of flash.
>>
>
> Big issue. e500 runs from the last address of the flash. We cannot put
> DT after U-Boot.

Looks you did not get it. I know e500 reset vector is the last 4 bytes
below 4G. This is similar to x86. DTB can be put after the u-boot
image without reset vector. You may check how x86 does this.

Regards,
Bin