diff options
| -rw-r--r-- | arch/mips/bcm47xx/prom.c | 8 |
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 | ||
