pci: layerscape: Fixup iommu-map for LS208xA

Commit 0aaa1a9 added support for LS208xA devices but fixing
iommu-map property is missing. This patch adds support for
fixing iommu-map.

Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
[YS: revised commit message]
Reviewed-by: York Sun <york.sun@nxp.com>

diff --git a/drivers/pci/pcie_layerscape_fixup.c b/drivers/pci/pcie_layerscape_fixup.c
index 9e6c2f5dfcf62e8b06935aa9ae3c40a734f9571d..3dae20103da64a95d5ec230265fd915b5b88b36d 100644 (file)
--- a/drivers/pci/pcie_layerscape_fixup.c
+++ b/drivers/pci/pcie_layerscape_fixup.c
@@ -130,19 +130,28 @@ static void fdt_pcie_set_iommu_map_entry(void *blob, struct ls_pcie *pcie,
        u32 iommu_map[4];
        int nodeoffset;
        int lenp;
+       uint svr;
+       char *compat = NULL;
 
        /* find pci controller node */
        nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",
                                                   pcie->dbi_res.start);
        if (nodeoffset < 0) {
 #ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */
-               nodeoffset = fdt_node_offset_by_compat_reg(blob,
-                               CONFIG_FSL_PCIE_COMPAT, pcie->dbi_res.start);
+               svr = (get_svr() >> SVR_VAR_PER_SHIFT) & 0xFFFFFE;
+               if (svr == SVR_LS2088A || svr == SVR_LS2084A ||
+                   svr == SVR_LS2048A || svr == SVR_LS2044A ||
+                   svr == SVR_LS2081A || svr == SVR_LS2041A)
+                       compat = "fsl,ls2088a-pcie";
+               else
+                       compat = CONFIG_FSL_PCIE_COMPAT;
+
+               if (compat)
+                       nodeoffset = fdt_node_offset_by_compat_reg(blob,
+                                               compat, pcie->dbi_res.start);
+#endif
                if (nodeoffset < 0)
                        return;
-#else
-               return;
-#endif
        }
 
        /* get phandle to iommu controller */