1 files changed, 13 insertions, 0 deletions

diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
index 8fddd2cdbff7..b769657be4d4 100644
--- a/arch/mips/mti-malta/malta-memory.c
+++ b/arch/mips/mti-malta/malta-memory.c
@@ -16,6 +16,7 @@
 #include <linux/string.h>
 
 #include <asm/bootinfo.h>
+#include <asm/cdmm.h>
 #include <asm/maar.h>
 #include <asm/sections.h>
 #include <asm/fw/fw.h>
@@ -53,6 +54,12 @@ fw_memblock_t * __init fw_getmdesc(int eva)
                 pr_warn("memsize not set in YAMON, set to default (32Mb)\n");
                 physical_memsize = 0x02000000;
         } else {
+                if (memsize > (256 << 20)) { /* memsize should be capped to 256M */
+                        pr_warn("Unsupported memsize value (0x%lx) detected! "
+                                "Using 0x10000000 (256M) instead\n",
+                                memsize);
+                        memsize = 256 << 20;
+                }
                 /* If ememsize is set, then set physical_memsize to that */
                 physical_memsize = ememsize ? : memsize;
         }
@@ -196,3 +203,9 @@ unsigned platform_maar_init(unsigned num_pairs)
 
         return maar_config(cfg, num_cfg, num_pairs);
 }
+
+phys_addr_t mips_cdmm_phys_base(void)
+{
+        /* This address is "typically unused" */
+        return 0x1fc10000;
+}