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MX28: Usage of HW_SSP_DDR_CTRL_DMA_BURST_TYPE

Question asked by lategoodbye on Jul 4, 2016
Latest reply on Jul 4, 2016 by igorpadykov

Hi, i want to boost MMC performance on MX28 by using DDR mode with Linux.

 

Are there any recommendation about DMA_BURST_TYPE (e.g. APB transfers per DMA = data width )?

When could be HW_SSP_DDR_CTRL changed? Are there any constraints to the DMA_BURST_TYPE?

Are there any dependencies from other registers?

 

This register is never changed in 2.6.35 BSP Kernel. Is there a reason for this? Is there any sample code which changes the DMA_BURST_TYPE?

 

Thanks in advance.

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