[meta-xilinx] AMP using Yocto meta-xilinx

Joe MacDonald Joe_MacDonald at mentor.com
Fri Nov 21 10:26:11 PST 2014


Hi Edward,

I'm in no way an expert, I just fritter around with meta-xilinx from
time to time, but I can probably help with these.  They're all kernel
configuration options, actually.

[[meta-xilinx] AMP using Yocto meta-xilinx] On 14.11.21 (Fri 10:03) Edward Wingate wrote:

> I'm trying to configure Yocto Linux with meta-xilinx layer to do AMP on a
> zedboard. 
> I'm following the ug978 AMP guide and trying to configure the kernel similarly:
> 
> 1. Enable loadable module support
> 2. Select High Memory Support
> 3. Select 2G/2G User/Kernel memory split
> 4. Enable userspace firmware loading support
> 5. Enable rpmsg driver
> 6. Enable remoteproc driver
> 
> I am looking for these options in meta-xilinx/conf/machine/boards/common/linux/
> zynq/defconfig_3.14.cfg.  Is this the correct place?
> 
> For #1, do these options accomplish loadable module support?
> CONFIG_MODULES=y
> CONFIG_MODULE_UNLOAD=y
> CONFIG_MODULE_FORCE_UNLOAD=y
> 
> For #2, CONFIG_HIGHMEM=y
> 
> Can someone help me with #3-5?  I don't know what options corresponds with
> those, or if that is even the right file to look for them.

#3 is:

   Kernel Features  --->
      Memory split (3G/1G user/kernel split)  --->
         (X) 2G/2G user/kernel split

and #4 is:

   Device Drivers  --->
      Generic Driver Options  --->
         -*- Userspace firmware loading support

> For #6, how would I get the zynq remoteproc driver into the kernel using Yocto
> and meta-xilinx?  I'm assuming #1-5 are standard kernel configurations, but #6
> is zynq specific and wouldn't be a standard kernel config item.

#5 and #6 are options so long as you're building linux-xlnx of some form
as your virtual/kernel:

   Device Drivers  --->
      Remoteproc drivers  --->
         < > Support ZYNQ remoteproc
      Rpmsg drivers  --->
         < > rpmsg user driver (for example...)

> 
> Thank you for any help.
> 
> Edward

-- 
-Joe MacDonald.
:wq
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 490 bytes
Desc: Digital signature
URL: <http://lists.yoctoproject.org/pipermail/meta-xilinx/attachments/20141121/c5b61ab0/attachment.pgp>


More information about the meta-xilinx mailing list