topic Re: setting procedure of function allocation on each cores in i.MX Processors

setting procedure of function allocation on each cores

野田周作 — Thu, 27 Feb 2020 06:04:08 GMT

Dear Person in charge,

Now, we're developing our product based on i.MX 8M Mini (Linux on Cortex-A53 and RTOS on Cortex-M4) as bellow.

- MIPI-DSI ( display indication ) on Cortex-A53 side

- MIPI-CSI ( for camera data transfer) on Cortex-M4 side

And then, would you please let me know the setting procedure of function allocation on each cores.

- MIPI-CSI

- CSI-Bridge

- MIPI-DSI

best regards,

Shu

Re: setting procedure of function allocation on each cores

igorpadykov — Thu, 27 Feb 2020 23:45:42 GMT

Hi 野田周作

for allocating task for some core one can try to use CPU affinity, described on
How to run a program with only one CPU core? - Ask Ubuntu

As example one can refer to attached patch for L4.9.88_2.0.0

which assigns the GPIO banks irqs to CPU2 from probe time.

Best regards
igor
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Re: setting procedure of function allocation on each cores

野田周作 — Fri, 28 Feb 2020 06:43:57 GMT

Hi Igor-san,

Thanks for your answer.

I understood.

best regarsd,

Shu