2021-01-20 12:30:12 +00:00
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<!--
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2021-02-03 14:43:34 +00:00
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Author: Xianjun Jiao
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2021-05-05 14:46:28 +00:00
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SPDX-FileCopyrightText: 2021 UGent
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2021-01-20 12:30:12 +00:00
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SPDX-License-Identifier: AGPL-3.0-or-later
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-->
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2021-05-05 14:46:28 +00:00
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We don't maintain our own (modified) xilinx dma driver anymore! The original xilinx dma driver in the Linux kernel tree can be used.
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2021-04-05 19:45:27 +00:00
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2020-05-03 13:14:17 +00:00
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===============Following are obsolete content=================
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2019-12-10 13:03:47 +00:00
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Currently used driver xilinx_dma-orig.c is based on 552d3f11e374ca0d435aa93a571507819eabdda2 of https://github.com/Xilinx/linux-xlnx )
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instruction to generate our customized xilinx dma driver:
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./make_xilinx_dma.sh
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instruction to generate our customized xilinx dma test program:
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./make_xilinx_dma_test.sh
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test dma driver on board: login to zc706, then:
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rm axidmatest.ko
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wget ftp://192.168.10.1/driver/xilinx_dma/axidmatest.ko
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rm ddc.ko
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wget ftp://192.168.10.1/driver/ddc/ddc.ko
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rm xilinx_dma.ko
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wget ftp://192.168.10.1/driver/xilinx_dma/xilinx_dma.ko
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rmmod axidmatest
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rmmod ddc
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rmmod xilinx_dma
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insmod xilinx_dma.ko
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insmod ddc.ko
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insmod axidmatest.ko
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dmesg -c
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dmesg will show test result printed by "insmod axidmatest.ko". Like this:
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root@analog:~# dmesg -c
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xilinx_dmatest: dropped channel dma5chan0
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xilinx_dmatest: dropped channel dma5chan1
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sdr,ddc dev_remove base_addr 0xf14e0000
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sdr,ddc dev_remove ddc_driver_api_inst 0xbf032284
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sdr,ddc dev_remove ddc_api 0xbf032284
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sdr,ddc dev_remove succeed!
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xilinx-vdma 43000000.axivdma: Xilinx AXI VDMA Engine Driver Probed!!
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xilinx-vdma 80400000.dma: Xilinx AXI DMA Engine Driver Probed!!
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xilinx-vdma 80410000.dma: Xilinx AXI DMA Engine Driver Probed!!
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sdr,ddc dev_probe match!
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sdr,ddc dev_probe io start 0x83c20000 end 0x83c2ffff name /fpga-axi@0/rx_intf@83c20000 flags 0x00000200 desc 0x00000000
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sdr,ddc dev_probe base_addr 0xf18e0000
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sdr,ddc dev_probe ddc_driver_api_inst 0xbf0e1284
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sdr,ddc dev_probe ddc_api 0xbf0e1284
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sdr,ddc dev_probe reset tsf timer
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sdr,ddc dev_probe tsf timer runtime read 1 33007 100015us
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sdr,ddc dev_probe succeed!
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sdr,ddc hw_init mode 0
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sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
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sdr,ddc hw_init err 0
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dmatest: Started 1 threads using dma5chan0 dma5chan1
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align 3
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sdr,ddc hw_init mode 0
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sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
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sdr,ddc hw_init err 0
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tx_tmo 99 status 0 len 6448 DMA_COMPLETE 0
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dma5chan0-dma5c: verifying source buffer...
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dma5chan0-dma5c: verifying dest buffer...
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dma5chan0-dma5c: #0: No errors with
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src_off=0x448 dst_off=0x568 len=0x1930
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align 3
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sdr,ddc hw_init mode 0
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sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
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sdr,ddc hw_init err 0
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tx_tmo 100 status 0 len 3248 DMA_COMPLETE 0
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dma5chan0-dma5c: verifying source buffer...
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dma5chan0-dma5c: verifying dest buffer...
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dma5chan0-dma5c: #1: No errors with
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src_off=0x458 dst_off=0xf08 len=0xcb0
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align 3
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sdr,ddc hw_init mode 0
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sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
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sdr,ddc hw_init err 0
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tx_tmo 100 status 0 len 8112 DMA_COMPLETE 0
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dma5chan0-dma5c: verifying source buffer...
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dma5chan0-dma5c: verifying dest buffer...
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dma5chan0-dma5c: #2: No errors with
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src_off=0x10 dst_off=0x20 len=0x1fb0
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align 3
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sdr,ddc hw_init mode 0
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sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
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sdr,ddc hw_init err 0
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tx_tmo 100 status 0 len 840 DMA_COMPLETE 0
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dma5chan0-dma5c: verifying source buffer...
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dma5chan0-dma5c: verifying dest buffer...
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dma5chan0-dma5c: #3: No errors with
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src_off=0x1890 dst_off=0x1268 len=0x348
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align 3
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sdr,ddc hw_init mode 0
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sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
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sdr,ddc hw_init err 0
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tx_tmo 100 status 0 len 7816 DMA_COMPLETE 0
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dma5chan0-dma5c: verifying source buffer...
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dma5chan0-dma5c: verifying dest buffer...
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dma5chan0-dma5c: #4: No errors with
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src_off=0x80 dst_off=0x168 len=0x1e88
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dma5chan0-dma5c: terminating after 5 tests, 0 failures (status 0)
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