Patrick and Ed,

Ed replied early and as soon as I added the line for SDImage 
IMAGE_FSTYPES="rpi-sdimg”
It boots now.  

Thanks everyone, very helpful!

Cheng


> On Sep 23, 2020, at 5:10 PM, Patrick Williams <patrick@stwcx.xyz> wrote:
> 
> On Wed, Sep 23, 2020 at 10:36:03AM -0700, Cheng Yang wrote:
>> Hi,  I’m openbmc noob here.
> 
> Welcome.
> 
>> I follow the instruction of https://github.com/openbmc/openbmc/blob/master/meta-raspberrypi/README.md <https://github.com/openbmc/openbmc/blob/master/meta-raspberrypi/README.md>
> 
> I don't think there are really many people using the meta-raspberrypi
> with OpenBMC.  This comes from elsewhere outside the project as one of
> the Yocto community meta-layers and isn't related to OpenBMC.
> 
> What happened was that someone had an idea to use a rpi as an
> easily-accessible experimental platform for running OpenBMC code and
> they asked to have the meta-layer added to our tree.  We keep it in
> sync, but I don't think that experiment really went much farther.
> 
> See https://github.com/openbmc/openbmc/issues/399 for some of the
> origin.
> 
> If you're doing just a simple rpi4 image build, without any of the
> OpenBMC layers, and it won't even boot, that seems like something you
> could tackle with the upstream community.  The README suggests that
> the general Yocto mailing list is where to go:
> 
> ```
> * Mailing list (yocto mailing list): <yocto@yoctoproject.org>
> ```
> 
> -- 
> Patrick Williams