Some DMA problem of the P2020

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Some DMA problem of the P2020

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zhu_haifeng
Contributor I

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.

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ufedor
NXP Employee
NXP Employee

It is needed to clear corresponding BCR register.

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