diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 9bb0efd..fca611b 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -436,6 +436,8 @@ extern void opal_get_rtc_time(struct rtc_time *tm);
 extern unsigned long opal_get_boot_time(void);
 extern void opal_nvram_init(void);
 
+extern int opal_machine_check(struct pt_regs *regs);
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __OPAL_H */
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 516bfb3..17722c7 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -43,6 +43,7 @@ extern unsigned int debug_smp_processor_id(void); /* from linux/smp.h */
 #define get_slb_shadow()	(get_paca()->slb_shadow_ptr)
 
 struct task_struct;
+struct opal_machine_check_event;
 
 /*
  * Defines the layout of the paca.
@@ -135,6 +136,13 @@ struct paca_struct {
 	u8 io_sync;			/* writel() needs spin_unlock sync */
 	u8 irq_work_pending;		/* IRQ_WORK interrupt while soft-disable */
 
+#ifdef CONFIG_PPC_POWERNV
+	/* Pointer to OPAL machine check event structure set by the
+	 * early exception handler for use by high level C handler
+	 */
+	struct opal_machine_check_event *opal_mc_evt;
+#endif
+
 	/* Stuff for accurate time accounting */
 	u64 user_time;			/* accumulated usermode TB ticks */
 	u64 system_time;		/* accumulated system TB ticks */
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 5f078bc..536ffa8 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -48,6 +48,9 @@
 #ifdef CONFIG_PPC_ISERIES
 #include <asm/iseries/alpaca.h>
 #endif
+#ifdef CONFIG_PPC_POWERNV
+#include <asm/opal.h>
+#endif
 #if defined(CONFIG_KVM) || defined(CONFIG_KVM_GUEST)
 #include <linux/kvm_host.h>
 #endif
@@ -609,5 +612,12 @@ int main(void)
 					arch.timing_last_enter.tv32.tbl));
 #endif
 
+#ifdef CONFIG_PPC_POWERNV
+	DEFINE(OPAL_MC_GPR3, offsetof(struct opal_machine_check_event, gpr3));
+	DEFINE(OPAL_MC_SRR0, offsetof(struct opal_machine_check_event, srr0));
+	DEFINE(OPAL_MC_SRR1, offsetof(struct opal_machine_check_event, srr1));
+	DEFINE(PACA_OPAL_MC_EVT, offsetof(struct paca_struct, opal_mc_evt));
+#endif
+
 	return 0;
 }
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 41b02c7..d51458f 100644
--- 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 */
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 5a598ca..aaa0dba 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -27,12 +27,14 @@ struct opal {
 
 static struct device_node *opal_node;
 static DEFINE_SPINLOCK(opal_write_lock);
+extern u64 opal_mc_secondary_handler[];
 
 int __init early_init_dt_scan_opal(unsigned long node,
 				   const char *uname, int depth, void *data)
 {
 	const void *basep, *entryp;
 	unsigned long basesz, entrysz;
+	u64 glue;
 
 	if (depth != 1 || strcmp(uname, "ibm,opal") != 0)
 		return 0;
@@ -59,6 +61,19 @@ int __init early_init_dt_scan_opal(unsigned long node,
 		printk("OPAL V1 detected !\n");
 	}
 
+	/* Hookup some exception handlers. We use the fwnmi area at 0x7000
+	 * to provide the glue space to OPAL
+	 */
+	glue = 0x7000;
+	opal_register_exception_handler(OPAL_MACHINE_CHECK_HANDLER,
+					__pa(opal_mc_secondary_handler[0]),
+					glue);
+	glue += 128;
+	opal_register_exception_handler(OPAL_HYPERVISOR_MAINTENANCE_HANDLER,
+					0, glue);
+	glue += 128;
+	opal_register_exception_handler(OPAL_SOFTPATCH_HANDLER, 0, glue);
+
 	return 1;
 }
 
@@ -136,6 +151,121 @@ int opal_put_chars(uint32_t vtermno, const char *data, int total_len)
 	return written;
 }
 
+int opal_machine_check(struct pt_regs *regs)
+{
+	struct opal_machine_check_event *opal_evt = get_paca()->opal_mc_evt;
+	struct opal_machine_check_event evt;
+	const char *level, *sevstr, *subtype;
+	static const char *opal_mc_ue_types[] = {
+		"Indeterminate",
+		"Instruction fetch",
+		"Page table walk ifetch",
+		"Load/Store",
+		"Page table walk Load/Store",
+	};
+	static const char *opal_mc_slb_types[] = {
+		"Indeterminate",
+		"Parity",
+		"Multihit",
+	};
+	static const char *opal_mc_erat_types[] = {
+		"Indeterminate",
+		"Parity",
+		"Multihit",
+	};
+	static const char *opal_mc_tlb_types[] = {
+		"Indeterminate",
+		"Parity",
+		"Multihit",
+	};
+
+	/* Copy the event structure and release the original */
+	evt = *opal_evt;
+	opal_evt->in_use = 0;
+
+	/* Print things out */
+	if (evt.version != OpalMCE_V1) {
+		pr_err("Machine Check Exception, Unknown event version %d !\n",
+		       evt.version);
+		return 0;
+	}
+	switch(evt.severity) {
+	case OpalMCE_SEV_NO_ERROR:
+		level = KERN_INFO;
+		sevstr = "Harmless";
+		break;
+	case OpalMCE_SEV_WARNING:
+		level = KERN_WARNING;
+		sevstr = "";
+		break;
+	case OpalMCE_SEV_ERROR_SYNC:
+		level = KERN_ERR;
+		sevstr = "Severe";
+		break;
+	case OpalMCE_SEV_FATAL:
+	default:
+		level = KERN_ERR;
+		sevstr = "Fatal";
+		break;
+	}
+
+	printk("%s%s Machine check interrupt [%s]\n", level, sevstr,
+	       evt.disposition == OpalMCE_DISPOSITION_RECOVERED ?
+	       "Recovered" : "[Not recovered");
+	printk("%s  Initiator: %s\n", level,
+	       evt.initiator == OpalMCE_INITIATOR_CPU ? "CPU" : "Unknown");
+	switch(evt.error_type) {
+	case OpalMCE_ERROR_TYPE_UE:
+		subtype = evt.u.ue_error.ue_error_type <
+			ARRAY_SIZE(opal_mc_ue_types) ?
+			opal_mc_ue_types[evt.u.ue_error.ue_error_type]
+			: "Unknown";
+		printk("%s  Error type: UE [%s]\n", level, subtype);
+		if (evt.u.ue_error.effective_address_provided)
+			printk("%s    Effective address: %016llx\n",
+			       level, evt.u.ue_error.effective_address);
+		if (evt.u.ue_error.physical_address_provided)
+			printk("%s      Physial address: %016llx\n",
+			       level, evt.u.ue_error.physical_address);
+		break;
+	case OpalMCE_ERROR_TYPE_SLB:
+		subtype = evt.u.slb_error.slb_error_type <
+			ARRAY_SIZE(opal_mc_slb_types) ?
+			opal_mc_slb_types[evt.u.slb_error.slb_error_type]
+			: "Unknown";
+		printk("%s  Error type: SLB [%s]\n", level, subtype);
+		if (evt.u.slb_error.effective_address_provided)
+			printk("%s    Effective address: %016llx\n",
+			       level, evt.u.slb_error.effective_address);
+		break;
+	case OpalMCE_ERROR_TYPE_ERAT:
+		subtype = evt.u.erat_error.erat_error_type <
+			ARRAY_SIZE(opal_mc_erat_types) ?
+			opal_mc_erat_types[evt.u.erat_error.erat_error_type]
+			: "Unknown";
+		printk("%s  Error type: ERAT [%s]\n", level, subtype);
+		if (evt.u.erat_error.effective_address_provided)
+			printk("%s    Effective address: %016llx\n",
+			       level, evt.u.erat_error.effective_address);
+		break;
+	case OpalMCE_ERROR_TYPE_TLB:
+		subtype = evt.u.tlb_error.tlb_error_type <
+			ARRAY_SIZE(opal_mc_tlb_types) ?
+			opal_mc_tlb_types[evt.u.tlb_error.tlb_error_type]
+			: "Unknown";
+		printk("%s  Error type: TLB [%s]\n", level, subtype);
+		if (evt.u.tlb_error.effective_address_provided)
+			printk("%s    Effective address: %016llx\n",
+			       level, evt.u.tlb_error.effective_address);
+		break;
+	default:
+	case OpalMCE_ERROR_TYPE_UNKNOWN:
+		printk("%s  Error type: Unknown\n", level);
+		break;
+	}
+	return evt.severity == OpalMCE_SEV_FATAL ? 0 : 1;
+}
+
 static irqreturn_t opal_interrupt(int irq, void *data)
 {
 	uint64_t events;
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 4a2b2e2..f0242f3 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -141,6 +141,7 @@ static void __init pnv_setup_machdep_opal(void)
 	ppc_md.restart = pnv_restart;
 	ppc_md.power_off = pnv_power_off;
 	ppc_md.halt = pnv_halt;
+	ppc_md.machine_check_exception = opal_machine_check;
 }
 
 #ifdef CONFIG_PPC_POWERNV_RTAS
