diff --git a/arch/mips/lib/boot.c b/arch/mips/lib/boot.c
index db862f6..6ef9109 100644
--- a/arch/mips/lib/boot.c
+++ b/arch/mips/lib/boot.c
@@ -17,7 +17,7 @@
 	 * whole SDRAM area, since we don't know the size of the image
 	 * that was loaded.
 	 */
-	flush_cache(gd->bd->bi_memstart, gd->ram_top - gd->bd->bi_memstart);
+	flush_cache(gd->ram_base, gd->ram_top - gd->ram_base);
 
 	return entry(argc, argv);
 }
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c
index 0a13f6e..d5c99d8 100644
--- a/arch/mips/lib/bootm.c
+++ b/arch/mips/lib/bootm.c
@@ -242,7 +242,7 @@
 #if CONFIG_IS_ENABLED(MIPS_BOOT_FDT) && CONFIG_IS_ENABLED(OF_LIBFDT)
 int arch_fixup_fdt(void *blob)
 {
-	u64 mem_start = virt_to_phys((void *)gd->bd->bi_memstart);
+	u64 mem_start = virt_to_phys((void *)gd->ram_base);
 	u64 mem_size = gd->ram_size;
 
 	return fdt_fixup_memory_banks(blob, &mem_start, &mem_size, 1);