diff options
Diffstat (limited to 'arch/powerpc/kernel/head_44x.S')
| -rw-r--r-- | arch/powerpc/kernel/head_44x.S | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index b84ec6a2fc94..c2b9dc4fce5d 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -653,7 +653,14 @@ finish_tlb_load: rlwimi r10, r11, 0, 26, 26 /* UX = HWEXEC & USER */ rlwimi r12, r10, 0, 26, 31 /* Insert static perms */ - rlwinm r12, r12, 0, 20, 15 /* Clear U0-U3 */ + + /* + * Clear U0-U3 and WL1 IL1I IL1D IL2I IL2D bits which are added + * on newer 440 cores like the 440x6 used on AMCC 460EX/460GT (see + * include/asm-powerpc/pgtable-ppc32.h for details). + */ + rlwinm r12, r12, 0, 20, 10 + tlbwe r12, r13, PPC44x_TLB_ATTRIB /* Write ATTRIB */ /* Done...restore registers and get out of here. |