LayerscapeのトピックRe: Does LS1046A support DMA and Cache coherency? https://community.nxp.com/t5/Layerscape/Does-LS1046A-support-DMA-and-Cache-coherency/m-p/1416731#M10097 <P>USB snooping is controlled by the SCFG_SNPCNFGC - refer to the LS1046A Reference Manual, 11.3.27 Snoop Configuration Register (SCFG_SNPCNFGCR).</P> <P>PCIe snooping is controlled by "No Snoop" TLP attribute.</P> <P>Frame Manager snooping is always enabled.</P> Mon, 21 Feb 2022 10:59:13 GMT ufedor 2022-02-21T10:59:13Z Does LS1046A support DMA and Cache coherency? https://community.nxp.com/t5/Layerscape/Does-LS1046A-support-DMA-and-Cache-coherency/m-p/1416557#M10094 <P>Does LS1046A support DMA(USB / PCIe / Networking Controller) and CPU Cache&nbsp;coherency? Like description with below link:</P><P><A href="https://abcamus.github.io/2017/06/26/ARM-CCI/" target="_blank" rel="noopener nofollow noreferrer">https://abcamus.github.io/2017/06/26/ARM-CCI/</A></P><P><A href="https://community.arm.com/cn/b/blog/posts/--1--" target="_blank">https://community.arm.com/cn/b/blog/posts/--1--</A></P><P><A href="https://community.arm.com/cn/b/blog/posts/--3---corelink-cci-500" target="_blank">https://community.arm.com/cn/b/blog/posts/--3---corelink-cci-500</A></P><P>&nbsp;</P><P>I see the LS1046A Processors Block Diagram contained CCI400</P><P><A href="https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/layerscape-processors/layerscape-1046a-and-1026a-processors:LS1046A" target="_blank">https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/layerscape-processors/layerscape-1046a-and-1026a-processors:LS1046A</A></P><P>&nbsp;</P> Mon, 21 Feb 2022 07:50:28 GMT https://community.nxp.com/t5/Layerscape/Does-LS1046A-support-DMA-and-Cache-coherency/m-p/1416557#M10094 win847 2022-02-21T07:50:28Z Re: Does LS1046A support DMA and Cache coherency? https://community.nxp.com/t5/Layerscape/Does-LS1046A-support-DMA-and-Cache-coherency/m-p/1416731#M10097 <P>USB snooping is controlled by the SCFG_SNPCNFGC - refer to the LS1046A Reference Manual, 11.3.27 Snoop Configuration Register (SCFG_SNPCNFGCR).</P> <P>PCIe snooping is controlled by "No Snoop" TLP attribute.</P> <P>Frame Manager snooping is always enabled.</P> Mon, 21 Feb 2022 10:59:13 GMT https://community.nxp.com/t5/Layerscape/Does-LS1046A-support-DMA-and-Cache-coherency/m-p/1416731#M10097 ufedor 2022-02-21T10:59:13Z Re: Does LS1046A support DMA and Cache coherency? https://community.nxp.com/t5/Layerscape/Does-LS1046A-support-DMA-and-Cache-coherency/m-p/1417061#M10101 <P>Thanks for your reply.</P> Tue, 22 Feb 2022 01:47:22 GMT https://community.nxp.com/t5/Layerscape/Does-LS1046A-support-DMA-and-Cache-coherency/m-p/1417061#M10101 win847 2022-02-22T01:47:22Z