i.MX ProcessorsのトピックHow can I set the uart2 map to sdma2

How can I set the uart2 map to sdma2

hongxingyu1982 — Wed, 29 Apr 2020 02:33:57 GMT

Hi sir

Now I used the imx8mq board and I see the uart2 event map to the 24 and 25 channels of sdma1 as blew:

Can I map the uart2 to the channel of sdma2, if it can, how can I set it ?

Thanks.

Re: How can I set the uart2 map to sdma2

igorpadykov — Wed, 29 Apr 2020 05:30:27 GMT

Hi Hongxing

>Can I map the uart2 to the channel of sdma2,

not, sorry.

Best regards
igor
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Re: How can I set the uart2 map to sdma2

hongxingyu1982 — Wed, 29 Apr 2020 06:18:20 GMT

Hi，igor

Thank you so much for your reply.

Why? could you show me more details?

Br//Hongxing

Re: How can I set the uart2 map to sdma2

igorpadykov — Wed, 29 Apr 2020 06:36:06 GMT

Hi Hongxing

one will have to write custom sdma script.

Best regards
igor

Re: How can I set the uart2 map to sdma2

hongxingyu1982 — Wed, 06 May 2020 01:29:00 GMT

Hi igor

> one will have to write custom sdma script.

Which scrpit, could you show me a reference ?

Br//Hongxing

Re: How can I set the uart2 map to sdma2

igorpadykov — Wed, 06 May 2020 05:20:57 GMT

Hi Hongxing

>Which scrpit, could you show me a reference ?

sorry writing custom scripts is not supported by NXP.

So one will have to use existing scripts.

Best regards
igor

Re: How can I set the uart2 map to sdma2

hongxingyu1982 — Wed, 06 May 2020 09:17:07 GMT

HI igor

Ok.

But if I really want to do map the uart2 to the channel of sdma2, how can i do it ? Is there is others ways ?

Br//Hongxing

Re: How can I set the uart2 map to sdma2

hongxingyu1982 — Tue, 12 May 2020 02:44:24 GMT

Hi igor

How can I test the function of sdma1 in imx8mq board? Could you help to supply the test demo ？

Thanks

Re: How can I set the uart2 map to sdma2

igorpadykov — Tue, 12 May 2020 05:16:25 GMT

Hi Hongxing

if you have special need for changing default sdma configuration

suggest to apply to :

Commercial Support and Engineering Services | NXP

Best regards
igor