[POWERPC] Reworking machine check handling and Fix 440/440A

[mv-sheeva.git] / arch / powerpc / kernel / head_44x.S

diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 56aba84c1f6ebda212cb07a4374afdbe65c1f09a..ad071a146a8df66596376133114f64e50178e001 100644 (file)
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -289,11 +289,8 @@ interrupt_base:
        CRITICAL_EXCEPTION(0x0100, CriticalInput, unknown_exception)
 
        /* Machine Check Interrupt */
-#ifdef CONFIG_440A
-       MCHECK_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
-#else
        CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
-#endif
+       MCHECK_EXCEPTION(0x0210, MachineCheckA, machine_check_exception)
 
        /* Data Storage Interrupt */
        START_EXCEPTION(DataStorage)
@@ -673,6 +670,15 @@ finish_tlb_load:
  * Global functions
  */
 
+/*
+ * Adjust the machine check IVOR on 440A cores
+ */
+_GLOBAL(__fixup_440A_mcheck)
+       li      r3,MachineCheckA@l
+       mtspr   SPRN_IVOR1,r3
+       sync
+       blr
+
 /*
  * extern void giveup_altivec(struct task_struct *prev)
  *