Problems running RTEMS on Raspberry Pi2

[Sebastian Huber]

On 25/07/2019 13:21, Chris Johns wrote:
> On 25/7/19 6:03 pm, Chris Johns wrote:
>> On 24/7/19 11:26 pm, Jan.Sommer at dlr.de wrote:
>>> Hello,
>>>
>>> We are having troubles getting RTEMS to run on the RPi2.
>>> We built the BSP from current master and used the firmware of a recent Raspbian on the SD-Card, but could not manage to get any output on the UART.
>>> We also tried to use an older version of the firmware as mentioned here by Alan (https://lists.rtems.org/pipermail/users/2017-July/031481.html) .
>>> With u-boot we managed to start ticker.exe with the bootelf command and sometimes get a fatal error on the uart, but the output is garbled, so there is no useful debugging information.
>>>
>>> Can someone build and run the current master for the RPi2 successfully?
>>>
>>
>> I can build and can confirm something is broken. I get no output from a RPi2.
> 
> I have bisected the issue and this commit has broken the RPi ...
> 
> https://git.rtems.org/rtems/commit/?id=bdec62c4d5aa25e5a98b9fafe78936a7beb96a6e

Is the FDT used on the RPi2? Is SMP enabled?

-- 
Sebastian Huber, embedded brains GmbH

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