powerpc/powernv: Machine check and other system interrupts

[pandora-kernel.git] / arch / powerpc / kernel / exceptions-64s.S

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 41b02c7..d51458f 100644 (file)
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1143,7 +1143,7 @@ _GLOBAL(do_stab_bolted)
        rfid
        b       .       /* prevent speculative execution */
 
-#ifdef CONFIG_PPC_PSERIES
+#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
 /*
  * Data area reserved for FWNMI option.
  * This address (0x7000) is fixed by the RPA.
@@ -1151,7 +1151,7 @@ _GLOBAL(do_stab_bolted)
        .= 0x7000
        .globl fwnmi_data_area
 fwnmi_data_area:
-#endif /* CONFIG_PPC_PSERIES */
+#endif /* defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) */
 
        /* iSeries does not use the FWNMI stuff, so it is safe to put
         * this here, even if we later allow kernels that will boot on
@@ -1176,9 +1176,12 @@ xLparMap:
 
 #endif /* CONFIG_PPC_ISERIES */
 
-#ifdef CONFIG_PPC_PSERIES
+#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
+       /* pseries and powernv need to keep the whole page from
+        * 0x7000 to 0x8000 free for use by the firmware
+        */
         . = 0x8000
-#endif /* CONFIG_PPC_PSERIES */
+#endif /* defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) */
 
 /*
  * Space for CPU0's segment table.
@@ -1193,3 +1196,19 @@ xLparMap:
        .globl initial_stab
 initial_stab:
        .space  4096
+#ifdef CONFIG_PPC_POWERNV
+_GLOBAL(opal_mc_secondary_handler)
+       HMT_MEDIUM
+       SET_SCRATCH0(r13)
+       GET_PACA(r13)
+       clrldi  r3,r3,2
+       tovirt(r3,r3)
+       std     r3,PACA_OPAL_MC_EVT(r13)
+       ld      r13,OPAL_MC_SRR0(r3)
+       mtspr   SPRN_SRR0,r13
+       ld      r13,OPAL_MC_SRR1(r3)
+       mtspr   SPRN_SRR1,r13
+       ld      r3,OPAL_MC_GPR3(r3)
+       GET_SCRATCH0(r13)
+       b       machine_check_pSeries
+#endif /* CONFIG_PPC_POWERNV */