DMA access of MIMX8ML8CVNKZAB over QSPI interface with FPGA

キャンセル
次の結果を表示 
表示  限定  | 次の代わりに検索 
もしかして: 

DMA access of MIMX8ML8CVNKZAB over QSPI interface with FPGA

306件の閲覧回数
mk031
Contributor I

We are planning access I.MX8M plus (MASTER) DMA over QSPI interface with FPGA as a Slave. 

we are unable to find adequate information to access the DMA. Can you please share the procedure/algorithm to access DMA i.MX8M plus chip.

Also provide if any reference is available for i.MX8M plus DMA access.

I look Forward to Hearing Back.

Thanks in advance...!!!

0 件の賞賛
返信
2 返答(返信)

273件の閲覧回数
danielchen
NXP TechSupport
NXP TechSupport
0 件の賞賛
返信

274件の閲覧回数
danielchen
NXP TechSupport
NXP TechSupport

Hi mk:

 

QSPI driver is described in section 3.5 of Linux Manual.

danielchen_0-1758778165066.png

 

i.MX Linux Reference Manual

 

Regards

Daniel

0 件の賞賛
返信
%3CLINGO-SUB%20id%3D%22lingo-sub-2174842%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3EFPGA%E3%81%A8%E3%81%AEQSPI%E3%82%A4%E3%83%B3%E3%82%BF%E3%83%BC%E3%83%95%E3%82%A7%E3%83%BC%E3%82%B9%E3%82%92%E4%BB%8B%E3%81%97%E3%81%9FMIMX8ML8CVNKZAB%E3%81%AEDMA%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2174842%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EFPGA%20%E3%82%92%E3%82%B9%E3%83%AC%E3%83%BC%E3%83%96%E3%81%A8%E3%81%97%E3%81%A6%E3%80%81QSPI%20%E3%82%A4%E3%83%B3%E3%82%BF%E3%83%BC%E3%83%95%E3%82%A7%E3%83%BC%E3%82%B9%E7%B5%8C%E7%94%B1%E3%81%A7%20I.MX8M%20plus%20(MASTER)%20DMA%20%E3%81%AB%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E3%81%99%E3%82%8B%E3%81%93%E3%81%A8%E3%82%92%E8%A8%88%E7%94%BB%E3%81%97%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99%E3%80%82%3C%2FP%3E%3CP%3EDMA%20%E3%81%AB%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E9%81%A9%E5%88%87%E3%81%AA%E6%83%85%E5%A0%B1%E3%81%8C%E8%A6%8B%E3%81%A4%E3%81%8B%E3%82%8A%E3%81%BE%E3%81%9B%E3%82%93%E3%80%82DMA%20i.MX8M%20plus%20%E3%83%81%E3%83%83%E3%83%97%E3%81%AB%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E6%89%8B%E9%A0%86%2F%E3%82%A2%E3%83%AB%E3%82%B4%E3%83%AA%E3%82%BA%E3%83%A0%E3%82%92%E5%85%B1%E6%9C%89%E3%81%97%E3%81%A6%E3%81%84%E3%81%9F%E3%81%A0%E3%81%91%E3%81%BE%E3%81%99%E3%81%8B%E3%80%82%3C%2FP%3E%3CP%3Ei.MX8M%20plus%20DMA%20%E3%82%A2%E3%82%AF%E3%82%BB%E3%82%B9%E3%81%AB%E9%96%A2%E3%81%99%E3%82%8B%E5%8F%82%E7%85%A7%E3%81%8C%E3%81%82%E3%82%8B%E5%A0%B4%E5%90%88%E3%81%AF%E3%81%9D%E3%82%8C%E3%82%82%E6%8F%90%E4%BE%9B%E3%81%97%E3%81%A6%E3%81%8F%E3%81%A0%E3%81%95%E3%81%84%E3%80%82%3C%2FP%3E%3CP%3E%E3%81%94%E9%80%A3%E7%B5%A1%E3%82%92%E3%81%8A%E5%BE%85%E3%81%A1%E3%81%97%E3%81%A6%E3%81%8A%E3%82%8A%E3%81%BE%E3%81%99%E3%80%82%3C%2FP%3E%3CP%3E%E5%89%8D%E3%82%82%E3%81%A3%E3%81%A6%E6%84%9F%E8%AC%9D%E3%81%97%E3%81%BE%E3%81%99...%EF%BC%81%EF%BC%81%EF%BC%81%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2175469%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20DMA%20access%20of%20MIMX8ML8CVNKZAB%20over%20QSPI%20interface%20with%20FPGA%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2175469%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E4%B8%8B%E8%A8%98%E3%81%AE%E3%83%AA%E3%83%B3%E3%82%AF%E3%82%82%E3%81%94%E5%8F%82%E7%85%A7%E3%81%8F%E3%81%A0%E3%81%95%E3%81%84%E3%80%82%3C%2FP%3E%0A%3CP%3E%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fi-MX-Processors-Knowledge-Base%2FExpend-i-MX8M-93-Capability-to-Connect-FPGA-CPLD-by-FlexSPI%2Fta-p%2F1691355%22%20target%3D%22_blank%22%3Ei.MX8M%2F93%20%E3%81%AE%E6%A9%9F%E8%83%BD%E3%82%92%E6%8B%A1%E5%BC%B5%E3%81%97%E3%80%81FlexSPI%20%E3%81%A7%20FPGA%2FCPLD%20%E3%82%92%E6%8E%A5%E7%B6%9A%20-%20NXP%20%E3%82%B3%E3%83%9F%E3%83%A5%E3%83%8B%E3%83%86%E3%82%A3%3C%2FA%3E%3C%2FP%3E%0A%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2175468%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20DMA%20access%20of%20MIMX8ML8CVNKZAB%20over%20QSPI%20interface%20with%20FPGA%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2175468%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E3%81%93%E3%82%93%E3%81%AB%E3%81%A1%E3%81%AF%E3%80%81mk%3A%3C%2FP%3E%0A%3CBR%20%2F%3E%0A%3CP%3EQSPI%20%E3%83%89%E3%83%A9%E3%82%A4%E3%83%90%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E3%81%AF%E3%80%81Linux%20%E3%83%9E%E3%83%8B%E3%83%A5%E3%82%A2%E3%83%AB%E3%81%AE%E3%82%BB%E3%82%AF%E3%82%B7%E3%83%A7%E3%83%B3%203.5%20%E3%81%A7%E8%AA%AC%E6%98%8E%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99%E3%80%82%3C%2FP%3E%0A%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22danielchen_0-1758778165066.png%22%20style%3D%22width%3A%20574px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22danielchen_0-1758778165066.png%22%20style%3D%22width%3A%20574px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F358444iD5853D2008D14A6B%2Fimage-dimensions%2F574x264%3Fv%3Dv2%22%20width%3D%22574%22%20height%3D%22264%22%20role%3D%22button%22%20title%3D%22danielchen_0-1758778165066.png%22%20alt%3D%22danielchen_0-1758778165066.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3C%2FP%3E%0A%3CBR%20%2F%3E%0A%3CP%3E%3CA%20href%3D%22https%3A%2F%2Fwww.nxp.com%2Fdocs%2Fen%2Freference-manual%2FRM00293.pdf%22%20target%3D%22_blank%22%20rel%3D%22nofollow%20noopener%20noreferrer%22%3Ei.MX%20Linux%20%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%83%9E%E3%83%8B%E3%83%A5%E3%82%A2%E3%83%AB%3C%2FA%3E%3C%2FP%3E%0A%3CBR%20%2F%3E%0A%3CP%3E%E3%82%88%E3%82%8D%E3%81%97%E3%81%8F%E3%81%8A%E9%A1%98%E3%81%84%E3%81%97%E3%81%BE%E3%81%99%E3%80%82%3C%2FP%3E%0A%3CP%3E%E3%83%80%E3%83%8B%E3%82%A8%E3%83%AB%3C%2FP%3E%3C%2FLINGO-BODY%3E