PCI: xgene: Add support for a 64-bit prefetchable memory window (8ef54f27) · Commits · 戴 / test

X-Gene PCIe controller has registers to support multiple memory ranges. Add support for a 64-bit prefetchable memory window. [bhelgaas: changelog] Signed-off-by:

Duc Dang <dhdang@apm.com> Signed-off-by:

Tanmay Inamdar <tinamdar@apm.com> Signed-off-by:

Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/host/pci-xgene.c

+10 −2

Original line number	Diff line number	Diff line
		@@ -321,8 +321,16 @@ static int xgene_pcie_map_ranges(struct xgene_pcie_port *port,
		return ret;
		break;
		case IORESOURCE_MEM:
		xgene_pcie_setup_ob_reg(port, res, OMR1BARL, res->start,
		res->start - window->offset);
		if (res->flags & IORESOURCE_PREFETCH)
		xgene_pcie_setup_ob_reg(port, res, OMR2BARL,
		res->start,
		res->start -
		window->offset);
		else
		xgene_pcie_setup_ob_reg(port, res, OMR1BARL,
		res->start,
		res->start -
		window->offset);
		break;
		case IORESOURCE_BUS:
		break;

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