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author | Michal Marek <mmarek@suse.cz> | 2010-08-04 15:59:13 +0400 |
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committer | Michal Marek <mmarek@suse.cz> | 2010-08-04 15:59:13 +0400 |
commit | 772320e84588dcbe1600ffb83e5f328f2209ac2a (patch) | |
tree | a7de21b79340aeaa17c58126f6b801b82c77b53a /arch/mips/bcm47xx/prom.c | |
parent | 1ce53adf13a54375d2a5c7cdbe341b2558389615 (diff) | |
parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) | |
download | linux-772320e84588dcbe1600ffb83e5f328f2209ac2a.tar.xz |
Merge commit 'v2.6.35' into kbuild/kbuild
Conflicts:
arch/powerpc/Makefile
Diffstat (limited to 'arch/mips/bcm47xx/prom.c')
-rw-r--r-- | arch/mips/bcm47xx/prom.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c index c51405e57921..0fa646c5a844 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); } @@ -155,4 +163,3 @@ void __init prom_init(void) void __init prom_free_prom_memory(void) { } - |