Validating pcie 2 0 is enabled
Validating pcie 2 0 is enabled - interracial dating uk
I would suggest you to check the size of your BAR0, see if you are writing to the same BAR0 address.Maybe your data did go there as you required, it's just your tapping device is reading every PCIE data bus on every PCIE clock You are trying PIO read write, not DMA.
Not really, because the basic SBC to option card interconnect functionality is not affected by PCIe version.But my doubt is that, according to PCI express specification we can send a TLP packet from 128 bytes to 4096 bytes. Please clear my doubt and suggest any other driver options for PCI express in windows or Linux ?I used a windriver to communicate with a PCIE FPGA kit before, it works fine for me at any payload the program specify (128-4K). check if you are sending the data to the same BAR address location or different BAR address location. I generated jungo driver for my device and generated sample program for VS2010.With silicon for PCI Express® 3.0 released by chip vendors such as Intel®, PLX Technology®, IDT® and others, it might be a good idea to review the interface differences between PCIe 3.0, PCI Express 2.0 and PCI Express 1.1.Understanding these interface differences will allow for successful use of the latest PCI Express interface technology into embedded applications.Then I'm tried write memory option and when i'm giving more data above 64bits , the data splits to 64bits at endpoint.
I can view the data traffic at the endpoint through a tapping mechanism. In the hardware side, the data suppose to be splits into 64bits data, although the load is 128Byte to 4Kbyte, byte is transferred by 64bits each time.
MX6Q SD boards, one is used as PCIe RC; the other one is used as PCIe EP.
Connected by 2*mini_PCIe to standard_PCIe adaptors, 2*PEX cable adaptors, and one PCIe cable.
If the motherboard is equipped with PCIe 2.0 card slots, then any PCIe 2.0 card placed into one of these slots will send its data to the board’s CPUs twice as fast as in a PCIe 1.1 system.
This speed advantage is cumulative and can be critical in high-performance computing applications.
* When building RC image, make sure that CONFIG_IMX_PCIE=y # CONFIG_IMX_PCIE_EP_MODE_IN_EP_RC_SYS is not set CONFIG_IMX_PCIE_RC_MODE_IN_EP_RC_SYS=y * When build EP image, make sure that CONFIG_IMX_PCIE=y CONFIG_IMX_PCIE_EP_MODE_IN_EP_RC_SYS=y # CONFIG_IMX_PCIE_RC_MODE_IN_EP_RC_SYS is not set * Set-up link between RC and EP by their stand-alone 125MHz running internally.* In EP's system, EP can access the reserved ddr memory (default address:0x40000000) of PCIe RC's system, by the interconnection between PCIe EP and PCIe RC. Regarding to the log, the data size of each TLP when cache is enabled, is about 4 times of the data size in write, and 2 times of the data size in read, when the cache is not enabled.