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-rw-r--r--arch/powerpc/kernel/exceptions-64s.S27
1 files changed, 23 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 29ddd8b1c27..a54d92fec61 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1133,7 +1133,7 @@ _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.
@@ -1141,7 +1141,7 @@ _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
@@ -1166,9 +1166,12 @@ 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.
@@ -1183,3 +1186,19 @@ 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 */