EXPORT_SYMBOL_GPL(realmode_pfn_to_page);
#endif /* CONFIG_SPARSEMEM_VMEMMAP/CONFIG_FLATMEM */
+
+#ifdef CONFIG_PPC_STD_MMU_64
+static bool disable_radix;
+static int __init parse_disable_radix(char *p)
+{
+ disable_radix = true;
+ return 0;
+}
+early_param("disable_radix", parse_disable_radix);
+
+void __init mmu_early_init_devtree(void)
+{
+ /* Disable radix mode based on kernel command line. */
+ if (disable_radix)
+ cur_cpu_spec->mmu_features &= ~MMU_FTR_TYPE_RADIX;
+
+ if (early_radix_enabled())
+ radix__early_init_devtree();
+ else
+ hash__early_init_devtree();
+}
+#endif /* CONFIG_PPC_STD_MMU_64 */