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-rw-r--r--arch/mips/bcm47xx/prom.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c
index c51405e57921..29d3cbf9555f 100644
--- a/arch/mips/bcm47xx/prom.c
+++ b/arch/mips/bcm47xx/prom.c
@@ -141,6 +141,14 @@ static __init void prom_init_mem(void)
141 break; 141 break;
142 } 142 }
143 143
144 /* Ignoring the last page when ddr size is 128M. Cached
145 * accesses to last page is causing the processor to prefetch
146 * using address above 128M stepping out of the ddr address
147 * space.
148 */
149 if (mem == 0x8000000)
150 mem -= 0x1000;
151
144 add_memory_region(0, mem, BOOT_MEM_RAM); 152 add_memory_region(0, mem, BOOT_MEM_RAM);
145} 153}
146 154