Calls to tlbwe and tlbsx should be preceded with an isync/msync pair.
Signed-off-by: Timur Tabi timur@freescale.com --- arch/powerpc/cpu/mpc85xx/start.S | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index b5bf1fa..ccb331a 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -363,6 +363,8 @@ purge_old_ccsr_tlb:
li r1, 0 mtspr MAS6, r1 /* Search the current address space and PID */ + isync + msync tlbsx 0, r8 mfspr r1, MAS1 andis. r2, r1, MAS1_VALID@h /* Check for the Valid bit */ @@ -370,6 +372,8 @@ purge_old_ccsr_tlb:
rlwinm r1, r1, 0, 1, 31 /* Clear Valid bit */ mtspr MAS1, r1 + isync + msync tlbwe 1: