Xilinx axi dma github. See the Xilinx Wiki page here for how to enable the driver.

Xilinx axi dma github May 11, 2018 · After upgrading to Vivado 2018. dtsi. dma: Xilinx DPDMA engine is probed [ 1. Apr 9, 2017 · BTW, axidma_transfer also fail with “DMA receive transaction timed out. Apr 25, 2023 · I'm trying to transfer data from PL to PS using the AXI DMA IP (with SG) using this xilinx_axidma driver. You signed out in another tab or window. 1) - Xilinx/device-tree-xlnx Jan 12, 2018 · @bperez77 First let me say thanks for your hard work on bridging the gap Xilinx left for us. We’ll create the hardware design in Vivado, then write a software application in the Xilinx SDK and test it on the MicroZed board (source code is shared on Github for the MicroZed and the ZedBoard, see links at the A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. 03 Mb Apr 4, 2017 · dma-pl330 f8003000. Oct 15, 2018 · According to this from Xilinx, if you add dma-coherent in the device tree then dma_alloc_coherent will allocate cacheable memory. Linux device tree generator for the Xilinx SDK (Vivado > 2014. Incoming data rate is lower than 30MBps，DMA clock runs at 300MBps. Simple DMA allows the application to define a single transaction between DMA and Device. * adk 08/08/17 Fixed CR#980607 Can't select individual AXI DMA code examples. GitHub community articles Repositories. 5 adk 17/10/17 Fixed CR#987026 mulit packet example fails on A53. Linux Kernel Repository for Digilent FPGA Boards (downstream from Xilinx Official Repository) - Digilent/linux-Digilent-Dev A zero-copy, high-bandwidth Linux driver and userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. The AXI DMA provides high-bandwidth direct memory access between memory and AXI4-Stream target peripherals. Also since the * device side is a dedicated data bus only connected to a single Oct 25, 2018 · [ 127. [ 163. By extension this means that each channel is uni-directional. Apr 21, 2023 · I'm trying to transfer data from PL to PS using the AXI DMA IP (with SG) using this xilinx_axidma driver. The purpose of this software stack is to allow userspace Linux applications to interact with hardware on the FPGA fabric. The first test I did is the loopback test. Apr 6, 2018 · Hi, I'm trying to transfer data stream with ZUC102. static int create_channel(struct platform_device *pdev, struct dma_proxy_channel *pchannel_p, char *name, u32 direction) * DMA core (AXIDMA) to transfer packets in polling mode when the AXI DMA core * is configured in simple mode. When I need to do bi-directional operation, it fails. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures. I am trying to take video from a camera and use the VDMA IP to move frames to the PS memory using this xilinx_axidma driver. Nov 19, 2017 · use dma ip ,the driver,examples worked well, but vdma cant: Z-turn# . md for details - analogdevicesinc/linux root@zynq_petalinux:/usr/bin# . /axidma_benchmark -v AXI DMA Benchmark Parameters: Transmit Buffer Size: 7. Aug 6, 2014 · In a previous tutorial I went through how to use the AXI DMA Engine in EDK, now I’ll show you how to use the AXI DMA in Vivado. - jjtmx/zynq-dma Jan 5, 2022 · 感谢答复 我其实遇到另外一个问题，我start_transfer timeout 改成interrupt 这样read就可以变成阻塞的 每次read过后我也是通过devmem Dec 6, 2018 · And I have to change "xlnx,device-id" in &axi_vdma_0 and &axi_dma_0. 00 Mb Number of DMA Transfers: 1000 transfers Using transmit channel 0 and receive channel 1. 00 Mb Receive Buffer Size: 1. A typical use case would be a DAQ (Data Acquisition) system, where ADC is generating data and the DMA is responsible to store the data in the memory. Next i tried to do the benchmark test: # /axidma_benchmark. axidma: axidma_chrdev. I have a Vivado block diagram that has just an AXI DMA IP instantiated with the transmit/received looped back (just for testing, for now). c: axidma_start_transfer: 298: DMA receive transaction timed out. Qt GUI has the following options for the user to select: This determines the number of active video sources. c: axidma_mmap: 296: Please make sure that you specified cma= on the kernel command line, and the size is large enough. * Fixed compilation warning in the driver * 9. Contains an example on how to use the XAxidma driver directly. When we try to use the entry point, axidma_oneway_transfer() the pl sees no transactions and I get the "Inappropriate ioctl for device". xilinx-vdma 40400000. Only one input source is supported. * it is instantiated this means that they can not be changed by software at * runtime. 3 and made a branch with those before compiling them. Jan 27, 2021 · Hi I am using Petalinux 20. The driver and userspace library act as a generic layer between A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. May 26, 2018 · AXI HP0 DATA WIDTH to 64. Contribute to Xilinx/systemctlm-cosim-demo development by creating an account on GitHub. After that cpu0 wait for cpu1 cpu1 receive and apply configuration for axi dma and send signal to cpu0. 0-r0 do_compile: oe_runmake faile A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. The first (and most likely) potential issue is that the AXI DMA device tree entries aren't being loaded by the Xilinx driver, so this driver cannot find the DMA channel. dma: Cannot start channel ffffffc87b1c0c18: 10009 [ 137. In or A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. 19 , since the driver was tested with 4. May 18, 2018 · I'm trying to get the kernel driver working in Petalinux 2017. A zero-copy, high-bandwidth Linux driver and userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. For details, see xaxidma_example_sgcyclic_intr. Contribute to ipapal/axi-dma-petalinux development by creating an account on GitHub. AXI DMA Benchmark Parameters: Transmit Buffer Size: 7. c: axidma_mmap: 294: Unable to allocate contiguous DMA memory region of size 8294400. * This file demonstrates how to use the xaxidma driver on the Xilinx AXI * DMA core (AXIDMA) to transfer packets in polling mode when the AXIDMA * core is configured in Scatter Gather Mode. 👍 1 KingOfBanana reacted with thumbs up emoji ️ 1 KingOfBanana reacted with heart emoji All reactions <p>This code assumes a loopback hardware widget is connected to the AXI DMA core for data packet loopback. Oct 25, 2019 · You signed in with another tab or window. But when I write a 1024 bytes data with this method and read the 512 bytes data <p>Contains an example on how to use the XAxidma driver directly. Also, notice in your device tree, the entry for axi_dma_1: dma@80020000 has 2 channels, both with xlnx,device-id = <0x1>; You'll need to change one of them to xlnx,device-id = <0x0>; in your system-user. - zephyrproject-rtos/zephyr * This file demonstrates how to use the xaxidma driver on the Xilinx AXI * DMA core (AXIDMA) to transfer packets. [ 702. Contribute to Xilinx/linux-xlnx development by creating an account on GitHub. May 15, 2019 · Hi, I am trying to use the xilinx_axidma driver in Latest Petalinux 2022 version and Linux kernel version 5. dmac: DBUFF-128x8bytes Num_Chans-8 Num_Peri-4 Num_Events-16 xilinx-vdma 40400000. 4. Jul 15, 2023 · dma_alloc->size = 0x007e9000 axidma: axidma_chrdev. </p> AXI DMA with Petalinux. dmac: Loaded driver for PL330 DMAC-241330 dma-pl330 f8003000. ” AXI DMA File Transfer Info: Transmit Channel: 0 Receive Channel: 1 Input File Size: 0. /axidma_benchmark -i 1 -o 1 AXI DMA Benchmark Parameters: Transmit Buffer Size: 1. 362853] xilinx-zynqmp-dma fd510000. The Xilinx LogiCORE IP AXI Direct Memory Access (AXI DMA) core is a soft Xilinx IP core for use with the Xilinx Vivado Design Suite. c: axidma_dma_init: 718: DMA: Found 1 transmit channels and 1 receive channels. Distributed under the MIT License. 381163] xilinx_axidma: loading out-of-tree module taints kernel. * This code assumes a loopback hardware widget is connected to the AXI DMA Sep 8, 2023 · I am getting segmentation fault on running insmod xilinx-axidma. Xilinx Embedded Software (embeddedsw) Development. PS receives data from PL fifo using DMA, then transfers it through wifi. - jjtmx/zynq-dma A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. Seems these config options are obsolete, to allow DMA transfers enable following option: menuconfig XILINX_DMA_ENGINES bool "Xilinx DMA Engines" help Enable support for the Xilinx DMA controllers. * The AXI Direct Memory Access (AXI DMA) core is a soft Xilinx IP core that Oct 9, 2017 · Hello, I only use the rx channel before and this driver works well. Dec 16, 2021 · Hey @dantepayne ，I meet the same problem，Have you solve it？ I have solve it,it is wired because the number in "dmas" is not the number of devicetree node for axi_dma_0, you can find in xilinx_dma. Transactions. Feb 28, 2018 · I've poked around in the Xilinx driver and while I do see the AXI_DMA_DMASR register defined/used I strangely don't see the S2MM_STATUS register being defined and equally strange the AXI DMA User Guide doesn't even define a register value for it. 91 Mb Jul 22, 2019 · dmas = <&axi_dma_0 0 &axi_dma_0 1 &axi_dma_1 0 &axi_dma_1 1>; Keep the rest the same. It supports three DMA engines: Axi Central DMA (memory to memory transfer), Axi DMA (memory and A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. Supported output sink types are display port, record, and stream. Linux kernel variant from Analog Devices; see README. dma: ZynqMP DMA driver Probe success Mar 28, 2019 · The library is getting executed. Similar to this : &axi_dma_1 {dma-channel@80020000 The official Linux kernel from Xilinx. After this, not only did the Linux Test DMA work, but now the xilinx_axidma benchmark test is running successfully: AXI DMA Benchmark Parameters: Transmit Buffer Size: 7. Unable to allocate transmit buffer from the AXI DMA device. A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. Jan 23, 2018 · Yes, if I'm understanding your question correctly, it's easy to attach to multiple DMA/VDMA IP blocks. dma: ZynqMP DMA driver Probe success [ 1. Could you try that same test with the Xilinx DMA Test driver? I don't have access to an MPSoC board, so I can't replicate your experiment. For this test, I've connected the M_AXIS_MM2S port of the DMA to the slave ports of a AXI-stream FIFO. ko : [ 702. A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. My block design is quite typical AXI-DMA usage, the S2MM (write channel) receives data from peripheral device, writ This library should simplify the use of the Xilinx AXI DMA controller when used in S2MM (Stream to Memory-Mapped) mode. I used the method axidma_oneway_transfer() to individually write a 1024 bytes of data and then read a 1024 bytes of data, and the result is what I expected. The software seems pretty straightforward. Application has to set the buffer address and length fields to initiate the transfer in respective channel. It can * either be device to memory or memory to device, but not both. dma: Xilinx AXI DMA Engine Driver Probed!! [ 1. 902946] axidma: axidma_dma. 388131] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 702. I've played around with this quite a bit now and found that I can successfully run the example as long as the transmit and receive size remains under 16384 bytes, however once I attempt a transfer of 16384 bytes like so Mar 28, 2017 · The driver doesn't read data until the TLAST signal is asserted (your baremetal code works the same way as well) to avoid that issue. This option allows the user to select a sink for the pipeline. Jun 1, 2016 · Hello, I'm working on an Xilinx Zynq device and would like to use your driver for the AXI DMA, in order to be able to interface from a linux application to the logic in the FPGA. 91 Mb Receive Buffer Size: 7. This example shows the usage of the driver to transfer packets in cyclic in interrupt mode when the axidma is configured in scatter gather mode. You just need to make sure you have device tree entries for them, and reference them in the AXI DMA device tree node. Primary Git Repository for the Zephyr Project. in interrupt mode when the AXIDMA core * is configured in simple mode The Xilinx Axi DMA Embedded Driver in Rust. c line 1447 I see the IRQ handler function Xilinx Embedded Software (embeddedsw) Development. 196167] axidma: axidma_dma. axidma: axidma_dma. cpu0 configure axidma_pl controller and save configuration in shareable memory for transmission to cpu1 and waiting signal from cpu1 cpu1 receive and apply configuration for axi dma and send signal to cpu1 Mar 9, 2017 · This is working properly as shown by the dmesg log. : QEMU libsystemctlm-soc co-simulation demos. 15. This example shows the usage of the driver to transfer packets in interrupt mode for multichannel capability and works only when the axidma core is configured in scatter gather mode and multichannel mode. Contribute to zflcs/axi-dma development by creating an account on GitHub. Topics Trending Collections Enterprise #define TYPE_XILINX_AXI_DMA_DATA_STREAM "xilinx-axi-dma-data-stream" A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. 91 Mb Number of DMA Transfers: 1000 transfers Using transmit cha Jan 18, 2020 · You signed in with another tab or window. 892920] axidma: axidma_dma. Failed to perform the AXI DMA read-write transfer: Timer expired DMA read write transaction failed. dma: Xilinx AXI VDMA Engine Driver Probed!! xilinx_axidma: loading out-of-tree module taints kernel. In the new version of the kernel, some functions are changed and I get these errors when running petalinux-build: ERROR: xilinx-axidma-1. If you want setup transfers between the PL DRR and PS DDR, you would need two AXI DMA IPs: one for PL DDR to PS DDR and another for PS DDR to PL DDR. c -> mm2s:0 s2mm:1,if you use rx channel,it should be 1 like this : A Zynq DMA transfer project. See the Xilinx Wiki page here for how to enable the driver. * This file demonstrates how to use the xaxidma driver on the Xilinx AXI * DMA core (AXIDMA) to transfer packets in interrupt mode when the AXIDMA * core is configured in Scatter Gather Mode * This file demonstrates how to use the xaxidma driver on the Xilinx AXI * DMA core (AXIDMA) to transfer multiple packets in polling mode when the * AXI DMA core is configured in Scatter Gather Mode. Jun 30, 2018 · For your second issue, this could be an issue with the Xilinx AXI DMA IP. x kernel version I am getting the below errors when I compile the driver in Linux kern Linux Kernel Repository for Digilent FPGA Boards (downstream from Xilinx Official Repository) - Digilent/linux-Digilent-Dev A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. The master ports of the AXI-stream FIFO are then connected to the S_AXIS_S2MM port of the DMA. The reason the DMA buffers don't have the same address as in your user program is because of virtual memory. 1 I built a new project with 2 PL to PS only DMAs. 362394] xilinx-vdma a0000000. You switched accounts on another tab or window. The DMA transfer function is completing correctly and the null pointer exception is occurring at the very point that the axidma_rw_transfer(dev, &inout_trans) in the ioctl case statement for AXIDMA_DMA_READWRITE in axidma_chrdev. c: axidma_dma_init: 708: VDMA: Found 0 transmit channels and 0 receive channels. These serve as bridges for communication between the processing system and FPGA programmable logic fabric, through one of the DMA ports on the Zynq processing system. Its optional scatter/gather capabilities also offload data movement tasks from the Central Processing [ 1. 362695] xilinx-zynqmp-dma fd500000. I'm using u-boot and linux cloned from the xilinx repositories, I checked out the tag xilinx-v2016. This could be potentially one of two issues. * This file demonstrates how to use the xaxidma driver on the Xilinx AXI * DMA core (AXIDMA) to transfer packets in polling mode when the AXI DMA core * is configured in simple mode. c. I modified the benchmark example for that reason, but unfortunately, the callback function is never triggered. dma: Xilinx AXI DMA Engine Driver Probed!! [drm] Initialized brd: module loaded loop: module loaded libphy: Fixed MDIO Bus: probed CAN device driver interface libphy: MACB_mii_bus: probed 你好，我在网上看了许多讲解关于axi dma的，同样我也实现了petalinux 2018. 148486] xilinx-vdma a0000000. I'm experiencing an issue using your axidma_benchmark example in my system. Jun 19, 2019 · You signed in with another tab or window. 91 Mb Number of DMA Transfers: 1000 transfers. Make sure that you comment out my driver's node in the device tree. Contribute to Xilinx/embeddedsw development by creating an account on GitHub. 3创建module，在开发板上成功运行了程序，insmode Xilinx Embedded Software (embeddedsw) Development. linux code and vivado hardware design included. The AXI DMA IP handles all of the synchronization in terms of memory accesses and streaming data. I downloaded your latest driver code from the repository and rebuilt the kernel module along with the rest of Petalinux. A Zynq DMA transfer project. 2 to build Linux for my custom project. ` A Zynq DMA transfer project. Looking at the xilinx_dma. c: axidma_start_transfer: 301: DMA receive transaction timed out. 362031] xilinx-dpdma fd4c0000. It has two channels: one from the DMA to Device and the other from Device to DMA. Dec 6, 2017 · Hi Brandon, I tried to register a callback function for the RX channel using the axidma_set_callback() function. . - jjtmx/zynq-dma Xilinx Embedded Software (embeddedsw) Development. c: axidma_dma_init: 706: DMA: Found 1 transmit channels and 1 receive channels. Mar 15, 2018 · With that design, your PS system could setup AXI DMA transfers from the external DDR to the PL, and the PL back to external DDR. Reload to refresh your session. </p> <p>To see the debug print, you need a Uart16550 or uartlite in your system, and please set "-DDEBUG" in your compiler options. Sep 13, 2018 · I have been rigorously pursuing the solution to this issue in parallel and come to the same conclusion. I think in this case that the driver shouldn't require modification, as this should be handled by the kernel in the dma_alloc_coherent function. We scoped the axidma logic in the pl and transactions occur when the driver is installed. The official Linux kernel from Xilinx. Using transmit channel 0 and receive channel 1. 1 and Petalinux 2018. ddybi yivior bwwfid eecke wytfaw ffjo mtwiasq kswt npmcltg nvovyb pkxaie hfhvpkn gkq ztbpac gtzc