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openwifi/driver/xilinx_dma
History
Xianjun Jiao 2ee6717882 initial commit
2019-12-10 14:03:47 +01:00
..
make_xilinx_dma.sh initial commit 2019-12-10 14:03:47 +01:00
README.md initial commit 2019-12-10 14:03:47 +01:00
xilinx_dma.c initial commit 2019-12-10 14:03:47 +01:00

README.md

Currently used driver xilinx_dma-orig.c is based on 552d3f11e374ca0d435aa93a571507819eabdda2 of https://github.com/Xilinx/linux-xlnx )

instruction to generate our customized xilinx dma driver:

./make_xilinx_dma.sh

instruction to generate our customized xilinx dma test program:

./make_xilinx_dma_test.sh

test dma driver on board: login to zc706, then:

rm axidmatest.ko
wget ftp://192.168.10.1/driver/xilinx_dma/axidmatest.ko
rm ddc.ko
wget ftp://192.168.10.1/driver/ddc/ddc.ko
rm xilinx_dma.ko
wget ftp://192.168.10.1/driver/xilinx_dma/xilinx_dma.ko
rmmod axidmatest
rmmod ddc
rmmod xilinx_dma
insmod xilinx_dma.ko
insmod ddc.ko
insmod axidmatest.ko
dmesg -c

dmesg will show test result printed by "insmod axidmatest.ko". Like this:

root@analog:~#     dmesg -c
xilinx_dmatest: dropped channel dma5chan0
xilinx_dmatest: dropped channel dma5chan1

sdr,ddc dev_remove base_addr 0xf14e0000
sdr,ddc dev_remove ddc_driver_api_inst 0xbf032284
sdr,ddc dev_remove             ddc_api 0xbf032284
sdr,ddc dev_remove succeed!
xilinx-vdma 43000000.axivdma: Xilinx AXI VDMA Engine Driver Probed!!
xilinx-vdma 80400000.dma: Xilinx AXI DMA Engine Driver Probed!!
xilinx-vdma 80410000.dma: Xilinx AXI DMA Engine Driver Probed!!

sdr,ddc dev_probe match!
sdr,ddc dev_probe io start 0x83c20000 end 0x83c2ffff name /fpga-axi@0/rx_intf@83c20000 flags 0x00000200 desc 0x00000000
sdr,ddc dev_probe base_addr 0xf18e0000
sdr,ddc dev_probe ddc_driver_api_inst 0xbf0e1284
sdr,ddc dev_probe             ddc_api 0xbf0e1284
sdr,ddc dev_probe reset tsf timer
sdr,ddc dev_probe tsf timer runtime read 1 33007 100015us
sdr,ddc dev_probe succeed!
sdr,ddc hw_init mode 0
sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
sdr,ddc hw_init err 0
dmatest: Started 1 threads using dma5chan0 dma5chan1
align 3
sdr,ddc hw_init mode 0
sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
sdr,ddc hw_init err 0
tx_tmo 99 status 0 len 6448 DMA_COMPLETE 0
dma5chan0-dma5c: verifying source buffer...
dma5chan0-dma5c: verifying dest buffer...
dma5chan0-dma5c: #0: No errors with 
src_off=0x448 dst_off=0x568 len=0x1930
align 3
sdr,ddc hw_init mode 0
sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
sdr,ddc hw_init err 0
tx_tmo 100 status 0 len 3248 DMA_COMPLETE 0
dma5chan0-dma5c: verifying source buffer...
dma5chan0-dma5c: verifying dest buffer...
dma5chan0-dma5c: #1: No errors with 
src_off=0x458 dst_off=0xf08 len=0xcb0
align 3
sdr,ddc hw_init mode 0
sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
sdr,ddc hw_init err 0
tx_tmo 100 status 0 len 8112 DMA_COMPLETE 0
dma5chan0-dma5c: verifying source buffer...
dma5chan0-dma5c: verifying dest buffer...
dma5chan0-dma5c: #2: No errors with 
src_off=0x10 dst_off=0x20 len=0x1fb0
align 3
sdr,ddc hw_init mode 0
sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
sdr,ddc hw_init err 0
tx_tmo 100 status 0 len 840 DMA_COMPLETE 0
dma5chan0-dma5c: verifying source buffer...
dma5chan0-dma5c: verifying dest buffer...
dma5chan0-dma5c: #3: No errors with 
src_off=0x1890 dst_off=0x1268 len=0x348
align 3
sdr,ddc hw_init mode 0
sdr,ddc hw_init mode DDC_AXIS_LOOP_BACK
sdr,ddc hw_init err 0
tx_tmo 100 status 0 len 7816 DMA_COMPLETE 0
dma5chan0-dma5c: verifying source buffer...
dma5chan0-dma5c: verifying dest buffer...
dma5chan0-dma5c: #4: No errors with 
src_off=0x80 dst_off=0x168 len=0x1e88
dma5chan0-dma5c: terminating after 5 tests, 0 failures (status 0)