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Some DMA problem of the  P2020

Question asked by ZHU Haifeng on Jun 8, 2018
Latest reply on Jun 11, 2018 by ufedor

In recent day, I use the p2020 to communicate with other point just like FPGA and DSP, I use the RapidIO bus via DMA to communicate. when i disconnect the FPGA and i send the data to the disconnect fpga. the DMA report a problem and can not recover. my problem is how to recover the DMA when the DMA abort. the register is mr and sr. datasheet i have read.