SDMA ap_to_ap Fixed Scripts (i.MX6DQ)

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SDMA ap_to_ap Fixed Scripts (i.MX6DQ)

SDMA ap_to_ap Fixed Scripts (i.MX6DQ)

The attached patch applies to iMX6_Platform_SDK for i.MX6 Dual and Quad and brings 2 additional SDMA memory to memory scripts:

  • fixed destination address, increasing source address
  • fixed source address, increasing destination address.

With this patch, the new scripts are also integrated in the SDMA Test menu of the Platform SDK.

I created these scripts starting from the ROM script ap_to_ap. In order to dump the content of the SDMA ROM, I used mxc_printSDMAcontext function which is also included in the attached patch and can be invoked when needed.

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ao1

Thank you for the post.

Are these ap_to_ap_fixed RAM scripts capable of accessing the external EIM bus?

Example: Main RAM to  fixed address at  EIM bus

Yes, it's in the ap domain.

%3CLINGO-SUB%20id%3D%22lingo-sub-1114944%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3ESDMA%20ap_to_ap%20Fixed%20Scripts%20(i.MX6DQ)%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1114944%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%26lt%3Bmeta%20http-equiv%3D%22Content-Type%22%20content%3D%22text%2Fhtml%3B%20charset%3Dutf-8%22%20%2F%26gt%3B%0A%3CP%3E%E6%89%80%E9%99%84%E8%A1%A5%E4%B8%81%E9%80%82%E7%94%A8%E4%BA%8E%3CSTRONG%3Ei.MX6%20Dual%20%E5%92%8C%20Quad%20%E7%9A%84%20iMX6_Platform_SDK%3C%2FSTRONG%3E%20%EF%BC%8C%E5%B9%B6%3CSTRONG%3E%E4%B8%BA%E5%86%85%E5%AD%98%E8%84%9A%E6%9C%AC%E5%B8%A6%E6%9D%A5%202%20%E4%B8%AA%E9%A2%9D%E5%A4%96%E7%9A%84%20SDMA%20%E5%86%85%E5%AD%98%EF%BC%9A%3C%2FSTRONG%3E%3C%2FP%3E%3CUL%3E%3CLI%3E%E5%9B%BA%E5%AE%9A%E7%9B%AE%E6%A0%87%E5%9C%B0%E5%9D%80%EF%BC%8C%E5%A2%9E%E5%8A%A0%E6%BA%90%E5%9C%B0%E5%9D%80%3C%2FLI%3E%3CLI%3E%E5%9B%BA%E5%AE%9A%E6%BA%90%E5%9C%B0%E5%9D%80%EF%BC%8C%E5%A2%9E%E5%8A%A0%E7%9B%AE%E6%A0%87%E5%9C%B0%E5%9D%80%E3%80%82%3C%2FLI%3E%3C%2FUL%3E%3CP%3E%3C%2FP%3E%3CP%3E%E9%80%9A%E8%BF%87%E6%AD%A4%E8%A1%A5%E4%B8%81%EF%BC%8C%E6%96%B0%E8%84%9A%E6%9C%AC%E4%B9%9F%E9%9B%86%E6%88%90%E5%9C%A8%E5%B9%B3%E5%8F%B0%20SDK%20%E7%9A%84%20SDMA%20%E6%B5%8B%E8%AF%95%E8%8F%9C%E5%8D%95%E4%B8%AD%E3%80%82%3C%2FP%3E%3CP%3E%3C%2FP%3E%3CP%3E%E6%88%91%E4%BB%8E%20ROM%20%E8%84%9A%E6%9C%AC%3CSTRONG%3E%3CEM%3Eap_to_ap%3C%2FEM%3E%3C%2FSTRONG%3E%E5%BC%80%E5%A7%8B%E5%88%9B%E5%BB%BA%E4%BA%86%E8%BF%99%E4%BA%9B%E8%84%9A%E6%9C%AC%E3%80%82%E4%B8%BA%E4%BA%86%E8%BD%AC%E5%82%A8%20SDMA%20ROM%20%E7%9A%84%E5%86%85%E5%AE%B9%EF%BC%8C%E6%88%91%E4%BD%BF%E7%94%A8%E4%BA%86%3CEM%3Emxc_printSDMAcontext%3C%2FEM%3E%E5%87%BD%E6%95%B0%EF%BC%8C%E8%AF%A5%E5%87%BD%E6%95%B0%E4%B9%9F%E5%8C%85%E5%90%AB%E5%9C%A8%E9%99%84%E5%8A%A0%E8%A1%A5%E4%B8%81%E4%B8%AD%EF%BC%8C%E5%8F%AF%E4%BB%A5%E5%9C%A8%E9%9C%80%E8%A6%81%E6%97%B6%E8%B0%83%E7%94%A8%E3%80%82%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-1114944%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CLINGO-LABEL%3Ei.MX6%20%E5%8F%8C%E6%A0%B8%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3Ei.MX6%20%E5%9B%9B%E6%A0%B8%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-1114946%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3ERe%3A%20SDMA%20ap_to_ap%20Fixed%20Scripts%20(i.MX6DQ)%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1114946%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%26lt%3Bmeta%20http-equiv%3D%22Content-Type%22%20content%3D%22text%2Fhtml%3B%20charset%3Dutf-8%22%20%2F%26gt%3B%0A%3CP%3E%E6%98%AF%E7%9A%84%EF%BC%8C%E5%AE%83%E5%9C%A8%20ap%20%E5%9F%9F%E4%B8%AD%E3%80%82%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-1114945%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3ERe%3A%20SDMA%20ap_to_ap%20Fixed%20Scripts%20(i.MX6DQ)%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1114945%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%26lt%3Bmeta%20http-equiv%3D%22Content-Type%22%20content%3D%22text%2Fhtml%3B%20charset%3Dutf-8%22%20%2F%26gt%3B%0A%3CP%3E%E8%B0%A2%E8%B0%A2%E4%BD%A0%E7%9A%84%E5%B8%96%E5%AD%90%E3%80%82%3C%2FP%3E%3CP%3E%3C%2FP%3E%3CP%3E%E8%BF%99%E4%BA%9B%20ap_to_ap_fixed%20RAM%20%E8%84%9A%E6%9C%AC%E6%98%AF%E5%90%A6%E8%83%BD%E5%A4%9F%E8%AE%BF%E9%97%AE%E5%A4%96%E9%83%A8%20EIM%20%E6%80%BB%E7%BA%BF%EF%BC%9F%3C%2FP%3E%3CP%3E%3C%2FP%3E%3CP%3E%E7%A4%BA%E4%BE%8B%EF%BC%9A%E4%B8%BB%20RAM%20%E5%88%B0%20EIM%20%E6%80%BB%E7%BA%BF%E7%9A%84%E5%9B%BA%E5%AE%9A%E5%9C%B0%E5%9D%80%3C%2FP%3E%3C%2FLINGO-BODY%3E
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最后更新:
‎12-21-2012 08:32 AM
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