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fpga: versal: Add support for 44-bit DMA operations

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The existing implementation support only 32-bit DMA operation.
So, it fails to load the bitstream for the high DDR designs(Beyond 4GB).
To fix this issue update the DMA mask handling logic to support 44-bit
DMA operations.

Signed-off-by: Nava kishore Manne <nava.kishore.manne@amd.com>
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20231003071409.4165149-1-nava.kishore.manne@amd.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
This commit is contained in:
Nava kishore Manne 2023-10-03 12:44:09 +05:30 committed by Xu Yilun
parent 3b08f52c25
commit d79eed22ba
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1 changed files with 1 additions and 1 deletions
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2
drivers/fpga/versal-fpga.c
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@ -48,7 +48,7 @@ static int versal_fpga_probe(struct platform_device *pdev)
struct fpga_manager *mgr;
int ret;
ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44));
if (ret < 0) {
dev_err(dev, "no usable DMA configuration\n");
return ret;