PCI: xgene: Add support for a 64-bit prefetchable memory window
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>
diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c
index a9dfb70..55fe865 100644
--- a/drivers/pci/host/pci-xgene.c
+++ b/drivers/pci/host/pci-xgene.c
@@ -321,8 +321,16 @@
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;