PCI: layerscape-ep: Set 64-bit DMA mask

Set DMA mask and coherent DMA mask to enable 64-bit addressing.

Link: https://lore.kernel.org/r/20230926140445.3855365-1-Frank.Li@nxp.com
Signed-off-by: Guanhua Gao <guanhua.gao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Roy Zang <Roy.Zang@nxp.com>

Author: Guanhua Gao

drivers/pci/controller/dwc/pci-layerscape-ep.c

@@ -266,6 +266,8 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev)
 
 	pcie->big_endian = of_property_read_bool(dev->of_node, "big-endian");
 
+	dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
+
 	platform_set_drvdata(pdev, pcie);
 
 	offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP);