Merge branches 'at91', 'dyntick', 'ep93xx', 'iop', 'ixp', 'misc', 'orion', 'omap...

[linux-2.6] / arch / powerpc / kernel / head_44x.S

diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index ad071a146a8df66596376133114f64e50178e001..22b5d2c459a3bb927bd157966843e71ac729b69b 100644 (file)
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -211,7 +211,7 @@ skpinv:     addi    r4,r4,1                         /* Increment */
        SET_IVOR(12, WatchdogTimer);
        SET_IVOR(13, DataTLBError);
        SET_IVOR(14, InstructionTLBError);
-       SET_IVOR(15, Debug);
+       SET_IVOR(15, DebugCrit);
 
        /* Establish the interrupt vector base */
        lis     r4,interrupt_base@h     /* IVPR only uses the high 16-bits */
@@ -368,7 +368,12 @@ interrupt_base:
 
        rlwimi  r11,r13,0,26,31         /* Insert static perms */
 
-       rlwinm  r11,r11,0,20,15         /* 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  r11,r11,0,20,10
 
        /* find the TLB index that caused the fault.  It has to be here. */
        tlbsx   r10, 0, r10
@@ -578,7 +583,7 @@ interrupt_base:
        b       InstructionStorage
 
        /* Debug Interrupt */
-       DEBUG_EXCEPTION
+       DEBUG_CRIT_EXCEPTION
 
 /*
  * Local functions
@@ -653,7 +658,14 @@ 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.