Re: [PATCH 2/4] hw/dma: sifive_pdma: claim bit must be set before DMA transactions

2021-09-11 Thread Bin Meng
On Fri, Sep 10, 2021 at 1:58 PM wrote: > > From: Frank Chang > > Real PDMA must have Control.claim bit to be set before > Control.run bit is set to start any DMA transactions. > Otherwise nothing will be transferred. > > The following result is PDMA tested in U-boot on Unmatched board:

[PATCH 2/4] hw/dma: sifive_pdma: claim bit must be set before DMA transactions

2021-09-09 Thread frank . chang
From: Frank Chang Real PDMA must have Control.claim bit to be set before Control.run bit is set to start any DMA transactions. Otherwise nothing will be transferred. The following result is PDMA tested in U-boot on Unmatched board: => mw.l 0x300 0x0 <= Disclaim channel