+void fdt_fsl_mc_fixup_iommu_map_entry(void *blob)
+{
+ u32 *prop;
+ u32 iommu_map[4];
+ int offset;
+ int lenp;
+
+ /* find fsl-mc node */
+ offset = fdt_path_offset(blob, "/soc/fsl-mc");
+ if (offset < 0)
+ offset = fdt_path_offset(blob, "/fsl-mc");
+ if (offset < 0) {
+ printf("%s: fsl-mc: ERR: fsl-mc node not found in DT, err %d\n",
+ __func__, offset);
+ return;
+ }
+
+ prop = fdt_getprop_w(blob, offset, "iommu-map", &lenp);
+ if (!prop) {
+ debug("%s: fsl-mc: ERR: missing iommu-map in fsl-mc bus node\n",
+ __func__);
+ return;
+ }
+
+ iommu_map[0] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
+ iommu_map[1] = *++prop;
+ iommu_map[2] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START);
+ iommu_map[3] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_END -
+ FSL_DPAA2_STREAM_ID_START + 1);
+
+ fdt_setprop_inplace(blob, offset, "iommu-map",
+ iommu_map, sizeof(iommu_map));
+}
+