Messages in this thread | | | Date | Wed, 22 Mar 2023 10:57:12 +0100 | Subject | Re: Starting app on i.MX8MM M4 core from DDR via remoteproc | From | Frieder Schrempf <> |
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On 22.03.23 09:46, Frieder Schrempf wrote: > Hello, > > I'm having problems with running an application from DDR memory on the > M4 core of an i.MX8MM using remoteproc in Linux. > > * starting the app compiled for internal RAM from Linux works fine > * starting the app compiled for DDR from U-Boot works fine > * starting the app compiled for DDR from Linux doesn't show any output > on the M4 debug UART > > Below there is some more information on my setup. If anyone has an idea > for debugging this, please let me know.
I just came across Peng's patches [1] that add support for firmware in DDR. With this applied it seems to work now!
[1] https://patchwork.kernel.org/project/linux-remoteproc/cover/20230209063816.2782206-1-peng.fan@oss.nxp.com/
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