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authorAlex Elder <aelder@sgi.com>2010-02-26 14:34:02 -0600
committerAlex Elder <aelder@sgi.com>2010-02-26 14:34:02 -0600
commit398007f863a4af2b4a5a07219c5a617f1a098115 (patch)
tree7589f17bfa6645ee0342048bfaede1391a411f2b /arch/mips/bcm47xx/prom.c
parentd67b1b03254c501fef371b0e5916c94a52bfc2c5 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge branch 'linux-2.6.33'
Diffstat (limited to 'arch/mips/bcm47xx/prom.c')
-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 c51405e5792..29d3cbf9555 100644
--- a/arch/mips/bcm47xx/prom.c
+++ b/arch/mips/bcm47xx/prom.c
@@ -141,6 +141,14 @@ static __init void prom_init_mem(void)
break;
}
+ /* Ignoring the last page when ddr size is 128M. Cached
+ * accesses to last page is causing the processor to prefetch
+ * using address above 128M stepping out of the ddr address
+ * space.
+ */
+ if (mem == 0x8000000)
+ mem -= 0x1000;
+
add_memory_region(0, mem, BOOT_MEM_RAM);
}