Merge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac

Pull EDAC updates from Mauro Carvalho Chehab.

* 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac:
  sb_edac: add support for Haswell based systems
  sb_edac: Fix mix tab/spaces alignments
  edac: add DDR4 and RDDR4
  sb_edac: remove bogus assumption on mc ordering
  sb_edac: make minimal use of channel_mask
  sb_edac: fix socket detection on Ivy Bridge controllers
  sb_edac: update Kconfig description
  sb_edac: search devices using product id
  sb_edac: make RIR limit retrieval per model
  sb_edac: make node id retrieval per model
  sb_edac: make memory type detection per memory controller

drivers/edac/Kconfig

@@ -253,12 +253,12 @@ config EDAC_I7300
 	  Clarksboro MCH (Intel 7300 chipset).
 
 config EDAC_SBRIDGE
-	tristate "Intel Sandy-Bridge Integrated MC"
+	tristate "Intel Sandy-Bridge/Ivy-Bridge/Haswell Integrated MC"
 	depends on EDAC_MM_EDAC && PCI && X86_64 && X86_MCE_INTEL
 	depends on PCI_MMCONFIG
 	help
 	  Support for error detection and correction the Intel
-	  Sandy Bridge Integrated Memory Controller.
+	  Sandy Bridge, Ivy Bridge and Haswell Integrated Memory Controllers.
 
 config EDAC_MPC85XX
 	tristate "Freescale MPC83xx / MPC85xx"

drivers/edac/edac_mc_sysfs.c

@@ -108,7 +108,9 @@ static const char * const mem_types[] = {
 	[MEM_RDDR2] = "Registered-DDR2",
 	[MEM_XDR] = "XDR",
 	[MEM_DDR3] = "Unbuffered-DDR3",
-	[MEM_RDDR3] = "Registered-DDR3"
+	[MEM_RDDR3] = "Registered-DDR3",
+	[MEM_DDR4] = "Unbuffered-DDR4",
+	[MEM_RDDR4] = "Registered-DDR4"
 };
 
 static const char * const dev_types[] = {

drivers/edac/sb_edac.c

@@ -99,6 +99,7 @@ static const u32 ibridge_dram_rule[] = {
 #define DRAM_ATTR(reg)		GET_BITFIELD(reg, 2,  3)
 #define INTERLEAVE_MODE(reg)	GET_BITFIELD(reg, 1,  1)
 #define DRAM_RULE_ENABLE(reg)	GET_BITFIELD(reg, 0,  0)
+#define A7MODE(reg)		GET_BITFIELD(reg, 26, 26)
 
 static char *get_dram_attr(u32 reg)
 {
@@ -164,6 +165,8 @@ static inline int sad_pkg(const struct interleave_pkg *table, u32 reg,
 
 #define TOLM		0x80
 #define	TOHM		0x84
+#define HASWELL_TOHM_0	0xd4
+#define HASWELL_TOHM_1	0xd8
 
 #define GET_TOLM(reg)		((GET_BITFIELD(reg, 0,  3) << 28) | 0x3ffffff)
 #define GET_TOHM(reg)		((GET_BITFIELD(reg, 0, 20) << 25) | 0x3ffffff)
@@ -176,8 +179,6 @@ static inline int sad_pkg(const struct interleave_pkg *table, u32 reg,
 
 #define SAD_CONTROL	0xf4
 
-#define NODE_ID(reg)		GET_BITFIELD(reg, 0, 2)
-
 /* Device 14 function 0 */
 
 static const u32 tad_dram_rule[] = {
@@ -235,7 +236,6 @@ static const u32 rir_way_limit[] = {
 
 #define IS_RIR_VALID(reg)	GET_BITFIELD(reg, 31, 31)
 #define RIR_WAY(reg)		GET_BITFIELD(reg, 28, 29)
-#define RIR_LIMIT(reg)		((GET_BITFIELD(reg,  1, 10) << 29)| 0x1fffffff)
 
 #define MAX_RIR_WAY	8
 
@@ -279,8 +279,6 @@ static const u32 correrrthrsld[] = {
 
 #define IB_RANK_CFG_A		0x0320
 
-#define IS_RDIMM_ENABLED(reg)		GET_BITFIELD(reg, 11, 11)
-
 /*
  * sbridge structs
  */
@@ -291,6 +289,7 @@ static const u32 correrrthrsld[] = {
 enum type {
 	SANDY_BRIDGE,
 	IVY_BRIDGE,
+	HASWELL,
 };
 
 struct sbridge_pvt;
@@ -300,11 +299,15 @@ struct sbridge_info {
 	u32		rankcfgr;
 	u64		(*get_tolm)(struct sbridge_pvt *pvt);
 	u64		(*get_tohm)(struct sbridge_pvt *pvt);
+	u64		(*rir_limit)(u32 reg);
 	const u32	*dram_rule;
 	const u32	*interleave_list;
 	const struct interleave_pkg *interleave_pkg;
 	u8		max_sad;
 	u8		max_interleave;
+	u8		(*get_node_id)(struct sbridge_pvt *pvt);
+	enum mem_type	(*get_memory_type)(struct sbridge_pvt *pvt);
+	struct pci_dev	*pci_vtd;
 };
 
 struct sbridge_channel {
@@ -313,9 +316,7 @@ struct sbridge_channel {
 };
 
 struct pci_id_descr {
-	int			dev;
-	int			func;
-	int 			dev_id;
+	int			dev_id;
 	int			optional;
 };
 
@@ -338,6 +339,7 @@ struct sbridge_pvt {
 	struct pci_dev		*pci_sad0, *pci_sad1;
 	struct pci_dev		*pci_ha0, *pci_ha1;
 	struct pci_dev		*pci_br0, *pci_br1;
+	struct pci_dev		*pci_ha1_ta;
 	struct pci_dev		*pci_tad[NUM_CHANNELS];
 
 	struct sbridge_dev	*sbridge_dev;
@@ -362,31 +364,29 @@ struct sbridge_pvt {
 	u64			tolm, tohm;
 };
 
-#define PCI_DESCR(device, function, device_id, opt)	\
-	.dev = (device),				\
-	.func = (function),				\
-	.dev_id = (device_id),				\
+#define PCI_DESCR(device_id, opt)	\
+	.dev_id = (device_id),		\
 	.optional = opt
 
 static const struct pci_id_descr pci_dev_descr_sbridge[] = {
 		/* Processor Home Agent */
-	{ PCI_DESCR(14, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0, 0)	},
 
 		/* Memory controller */
-	{ PCI_DESCR(15, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA, 0)	},
-	{ PCI_DESCR(15, 1, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_RAS, 0)	},
-	{ PCI_DESCR(15, 2, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0, 0)	},
-	{ PCI_DESCR(15, 3, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD1, 0)	},
-	{ PCI_DESCR(15, 4, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD2, 0)	},
-	{ PCI_DESCR(15, 5, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD3, 0)	},
-	{ PCI_DESCR(17, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_DDRIO, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_RAS, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD1, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD2, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD3, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_DDRIO, 1)	},
 
 		/* System Address Decoder */
-	{ PCI_DESCR(12, 6, PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0, 0)		},
-	{ PCI_DESCR(12, 7, PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1, 0)		},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1, 0)	},
 
 		/* Broadcast Registers */
-	{ PCI_DESCR(13, 6, PCI_DEVICE_ID_INTEL_SBRIDGE_BR, 0)		},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_SBRIDGE_BR, 0)		},
 };
 
 #define PCI_ID_TABLE_ENTRY(A) { .descr=A, .n_devs = ARRAY_SIZE(A) }
@@ -423,34 +423,34 @@ static const struct pci_id_table pci_dev_descr_sbridge_table[] = {
 
 static const struct pci_id_descr pci_dev_descr_ibridge[] = {
 		/* Processor Home Agent */
-	{ PCI_DESCR(14, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0, 0)		},
 
 		/* Memory controller */
-	{ PCI_DESCR(15, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA, 0)	},
-	{ PCI_DESCR(15, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS, 0)	},
-	{ PCI_DESCR(15, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0, 0)	},
-	{ PCI_DESCR(15, 3, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD1, 0)	},
-	{ PCI_DESCR(15, 4, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD2, 0)	},
-	{ PCI_DESCR(15, 5, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA, 0)		},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS, 0)		},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD1, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD2, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3, 0)	},
 
 		/* System Address Decoder */
-	{ PCI_DESCR(22, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_SAD, 0)		},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_SAD, 0)			},
 
 		/* Broadcast Registers */
-	{ PCI_DESCR(22, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_BR0, 1)		},
-	{ PCI_DESCR(22, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_BR1, 0)		},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_BR0, 1)			},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_BR1, 0)			},
 
 		/* Optional, mode 2HA */
-	{ PCI_DESCR(28, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1)		},
 #if 0
-	{ PCI_DESCR(29, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA, 1)	},
-	{ PCI_DESCR(29, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS, 1)	},
 #endif
-	{ PCI_DESCR(29, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0, 1)	},
-	{ PCI_DESCR(29, 3, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD1, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD1, 1)	},
 
-	{ PCI_DESCR(17, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_1HA_DDRIO0, 1) },
-	{ PCI_DESCR(17, 4, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_2HA_DDRIO0, 1) },
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_1HA_DDRIO0, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_2HA_DDRIO0, 1)	},
 };
 
 static const struct pci_id_table pci_dev_descr_ibridge_table[] = {
@@ -458,12 +458,80 @@ static const struct pci_id_table pci_dev_descr_ibridge_table[] = {
 	{0,}			/* 0 terminated list. */
 };
 
+/* Haswell support */
+/* EN processor:
+ *	- 1 IMC
+ *	- 3 DDR3 channels, 2 DPC per channel
+ * EP processor:
+ *	- 1 or 2 IMC
+ *	- 4 DDR4 channels, 3 DPC per channel
+ * EP 4S processor:
+ *	- 2 IMC
+ *	- 4 DDR4 channels, 3 DPC per channel
+ * EX processor:
+ *	- 2 IMC
+ *	- each IMC interfaces with a SMI 2 channel
+ *	- each SMI channel interfaces with a scalable memory buffer
+ *	- each scalable memory buffer supports 4 DDR3/DDR4 channels, 3 DPC
+ */
+#define HASWELL_DDRCRCLKCONTROLS 0xa10
+#define HASWELL_HASYSDEFEATURE2 0x84
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_VTD_MISC 0x2f28
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0	0x2fa0
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1	0x2f60
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA	0x2fa8
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_THERMAL 0x2f71
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TA	0x2f68
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_THERMAL 0x2f79
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD0 0x2ffc
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD1 0x2ffd
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD0 0x2faa
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD1 0x2fab
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD2 0x2fac
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD3 0x2fad
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD0 0x2f6a
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD1 0x2f6b
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD2 0x2f6c
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD3 0x2f6d
+#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0 0x2fbd
+static const struct pci_id_descr pci_dev_descr_haswell[] = {
+	/* first item must be the HA */
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0, 0)		},
+
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD0, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD1, 0)	},
+
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1, 1)		},
+
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA, 0)		},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_THERMAL, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD0, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD1, 0)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD2, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD3, 1)	},
+
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0, 1)		},
+
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TA, 1)		},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_THERMAL, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD0, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD1, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD2, 1)	},
+	{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD3, 1)	},
+};
+
+static const struct pci_id_table pci_dev_descr_haswell_table[] = {
+	PCI_ID_TABLE_ENTRY(pci_dev_descr_haswell),
+	{0,}			/* 0 terminated list. */
+};
+
 /*
  *	pci_device_id	table for which devices we are looking for
  */
 static const struct pci_device_id sbridge_pci_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA)},
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0)},
 	{0,}			/* 0 terminated list. */
 };
 
@@ -472,13 +540,17 @@ static const struct pci_device_id sbridge_pci_tbl[] = {
 			Ancillary status routines
  ****************************************************************************/
 
-static inline int numrank(u32 mtr)
+static inline int numrank(enum type type, u32 mtr)
 {
 	int ranks = (1 << RANK_CNT_BITS(mtr));
+	int max = 4;
 
-	if (ranks > 4) {
-		edac_dbg(0, "Invalid number of ranks: %d (max = 4) raw value = %x (%04x)\n",
-			 ranks, (unsigned int)RANK_CNT_BITS(mtr), mtr);
+	if (type == HASWELL)
+		max = 8;
+
+	if (ranks > max) {
+		edac_dbg(0, "Invalid number of ranks: %d (max = %i) raw value = %x (%04x)\n",
+			 ranks, max, (unsigned int)RANK_CNT_BITS(mtr), mtr);
 		return -EINVAL;
 	}
 
@@ -588,10 +660,107 @@ static u64 ibridge_get_tohm(struct sbridge_pvt *pvt)
 	return GET_TOHM(reg);
 }
 
+static u64 rir_limit(u32 reg)
+{
+	return ((u64)GET_BITFIELD(reg,  1, 10) << 29) | 0x1fffffff;
+}
+
+static enum mem_type get_memory_type(struct sbridge_pvt *pvt)
+{
+	u32 reg;
+	enum mem_type mtype;
+
+	if (pvt->pci_ddrio) {
+		pci_read_config_dword(pvt->pci_ddrio, pvt->info.rankcfgr,
+				      &reg);
+		if (GET_BITFIELD(reg, 11, 11))
+			/* FIXME: Can also be LRDIMM */
+			mtype = MEM_RDDR3;
+		else
+			mtype = MEM_DDR3;
+	} else
+		mtype = MEM_UNKNOWN;
+
+	return mtype;
+}
+
+static enum mem_type haswell_get_memory_type(struct sbridge_pvt *pvt)
+{
+	u32 reg;
+	bool registered = false;
+	enum mem_type mtype = MEM_UNKNOWN;
+
+	if (!pvt->pci_ddrio)
+		goto out;
+
+	pci_read_config_dword(pvt->pci_ddrio,
+			      HASWELL_DDRCRCLKCONTROLS, &reg);
+	/* Is_Rdimm */
+	if (GET_BITFIELD(reg, 16, 16))
+		registered = true;
+
+	pci_read_config_dword(pvt->pci_ta, MCMTR, &reg);
+	if (GET_BITFIELD(reg, 14, 14)) {
+		if (registered)
+			mtype = MEM_RDDR4;
+		else
+			mtype = MEM_DDR4;
+	} else {
+		if (registered)
+			mtype = MEM_RDDR3;
+		else
+			mtype = MEM_DDR3;
+	}
+
+out:
+	return mtype;
+}
+
+static u8 get_node_id(struct sbridge_pvt *pvt)
+{
+	u32 reg;
+	pci_read_config_dword(pvt->pci_br0, SAD_CONTROL, &reg);
+	return GET_BITFIELD(reg, 0, 2);
+}
+
+static u8 haswell_get_node_id(struct sbridge_pvt *pvt)
+{
+	u32 reg;
+
+	pci_read_config_dword(pvt->pci_sad1, SAD_CONTROL, &reg);
+	return GET_BITFIELD(reg, 0, 3);
+}
+
+static u64 haswell_get_tolm(struct sbridge_pvt *pvt)
+{
+	u32 reg;
+
+	pci_read_config_dword(pvt->info.pci_vtd, TOLM, &reg);
+	return (GET_BITFIELD(reg, 26, 31) << 26) | 0x1ffffff;
+}
+
+static u64 haswell_get_tohm(struct sbridge_pvt *pvt)
+{
+	u64 rc;
+	u32 reg;
+
+	pci_read_config_dword(pvt->info.pci_vtd, HASWELL_TOHM_0, &reg);
+	rc = GET_BITFIELD(reg, 26, 31);
+	pci_read_config_dword(pvt->info.pci_vtd, HASWELL_TOHM_1, &reg);
+	rc = ((reg << 6) | rc) << 26;
+
+	return rc | 0x1ffffff;
+}
+
+static u64 haswell_rir_limit(u32 reg)
+{
+	return (((u64)GET_BITFIELD(reg,  1, 11) + 1) << 29) - 1;
+}
+
 static inline u8 sad_pkg_socket(u8 pkg)
 {
 	/* on Ivy Bridge, nodeID is SASS, where A is HA and S is node id */
-	return (pkg >> 3) | (pkg & 0x3);
+	return ((pkg >> 3) << 2) | (pkg & 0x3);
 }
 
 static inline u8 sad_pkg_ha(u8 pkg)
@@ -602,44 +771,43 @@ static inline u8 sad_pkg_ha(u8 pkg)
 /****************************************************************************
 			Memory check routines
  ****************************************************************************/
-static struct pci_dev *get_pdev_slot_func(u8 bus, unsigned slot,
-					  unsigned func)
+static struct pci_dev *get_pdev_same_bus(u8 bus, u32 id)
 {
-	struct sbridge_dev *sbridge_dev = get_sbridge_dev(bus);
-	int i;
-
-	if (!sbridge_dev)
-		return NULL;
-
-	for (i = 0; i < sbridge_dev->n_devs; i++) {
-		if (!sbridge_dev->pdev[i])
-			continue;
+	struct pci_dev *pdev = NULL;
 
-		if (PCI_SLOT(sbridge_dev->pdev[i]->devfn) == slot &&
-		    PCI_FUNC(sbridge_dev->pdev[i]->devfn) == func) {
-			edac_dbg(1, "Associated %02x.%02x.%d with %p\n",
-				 bus, slot, func, sbridge_dev->pdev[i]);
-			return sbridge_dev->pdev[i];
-		}
-	}
+	do {
+		pdev = pci_get_device(PCI_VENDOR_ID_INTEL, id, pdev);
+		if (pdev && pdev->bus->number == bus)
+			break;
+	} while (pdev);
 
-	return NULL;
+	return pdev;
 }
 
 /**
  * check_if_ecc_is_active() - Checks if ECC is active
- * bus:		Device bus
+ * @bus:	Device bus
+ * @type:	Memory controller type
+ * returns: 0 in case ECC is active, -ENODEV if it can't be determined or
+ *	    disabled
  */
-static int check_if_ecc_is_active(const u8 bus)
+static int check_if_ecc_is_active(const u8 bus, enum type type)
 {
 	struct pci_dev *pdev = NULL;
-	u32 mcmtr;
+	u32 mcmtr, id;
+
+	if (type == IVY_BRIDGE)
+		id = PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA;
+	else if (type == HASWELL)
+		id = PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA;
+	else
+		id = PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA;
 
-	pdev = get_pdev_slot_func(bus, 15, 0);
+	pdev = get_pdev_same_bus(bus, id);
 	if (!pdev) {
 		sbridge_printk(KERN_ERR, "Couldn't find PCI device "
-					"%2x.%02d.%d!!!\n",
-					bus, 15, 0);
+					"%04x:%04x! on bus %02d\n",
+					PCI_VENDOR_ID_INTEL, id, bus);
 		return -ENODEV;
 	}
 
@@ -661,11 +829,14 @@ static int get_dimm_config(struct mem_ctl_info *mci)
 	enum edac_type mode;
 	enum mem_type mtype;
 
-	pci_read_config_dword(pvt->pci_br0, SAD_TARGET, &reg);
+	if (pvt->info.type == HASWELL)
+		pci_read_config_dword(pvt->pci_sad1, SAD_TARGET, &reg);
+	else
+		pci_read_config_dword(pvt->pci_br0, SAD_TARGET, &reg);
+
 	pvt->sbridge_dev->source_id = SOURCE_ID(reg);
 
-	pci_read_config_dword(pvt->pci_br0, SAD_CONTROL, &reg);
-	pvt->sbridge_dev->node_id = NODE_ID(reg);
+	pvt->sbridge_dev->node_id = pvt->info.get_node_id(pvt);
 	edac_dbg(0, "mc#%d: Node ID: %d, source ID: %d\n",
 		 pvt->sbridge_dev->mc,
 		 pvt->sbridge_dev->node_id,
@@ -698,24 +869,18 @@ static int get_dimm_config(struct mem_ctl_info *mci)
 		pvt->is_close_pg = false;
 	}
 
-	if (pvt->pci_ddrio) {
-		pci_read_config_dword(pvt->pci_ddrio, pvt->info.rankcfgr,
-				      &reg);
-		if (IS_RDIMM_ENABLED(reg)) {
-			/* FIXME: Can also be LRDIMM */
-			edac_dbg(0, "Memory is registered\n");
-			mtype = MEM_RDDR3;
-		} else {
-			edac_dbg(0, "Memory is unregistered\n");
-			mtype = MEM_DDR3;
-		}
-	} else {
+	mtype = pvt->info.get_memory_type(pvt);
+	if (mtype == MEM_RDDR3 || mtype == MEM_RDDR4)
+		edac_dbg(0, "Memory is registered\n");
+	else if (mtype == MEM_UNKNOWN)
 		edac_dbg(0, "Cannot determine memory type\n");
-		mtype = MEM_UNKNOWN;
-	}
+	else
+		edac_dbg(0, "Memory is unregistered\n");
 
-	/* On all supported DDR3 DIMM types, there are 8 banks available */
-	banks = 8;
+	if (mtype == MEM_DDR4 || MEM_RDDR4)
+		banks = 16;
+	else
+		banks = 8;
 
 	for (i = 0; i < NUM_CHANNELS; i++) {
 		u32 mtr;
@@ -729,11 +894,10 @@ static int get_dimm_config(struct mem_ctl_info *mci)
 			if (IS_DIMM_PRESENT(mtr)) {
 				pvt->channel[i].dimms++;
 
-				ranks = numrank(mtr);
+				ranks = numrank(pvt->info.type, mtr);
 				rows = numrow(mtr);
 				cols = numcol(mtr);
 
-				/* DDR3 has 8 I/O banks */
 				size = ((u64)rows * cols * banks * ranks) >> (20 - 3);
 				npages = MiB_TO_PAGES(size);
 
@@ -744,7 +908,17 @@ static int get_dimm_config(struct mem_ctl_info *mci)
 
 				dimm->nr_pages = npages;
 				dimm->grain = 32;
-				dimm->dtype = (banks == 8) ? DEV_X8 : DEV_X4;
+				switch (banks) {
+				case 16:
+					dimm->dtype = DEV_X16;
+					break;
+				case 8:
+					dimm->dtype = DEV_X8;
+					break;
+				case 4:
+					dimm->dtype = DEV_X4;
+					break;
+				}
 				dimm->mtype = mtype;
 				dimm->edac_mode = mode;
 				snprintf(dimm->label, sizeof(dimm->label),
@@ -887,7 +1061,7 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
 			if (!IS_RIR_VALID(reg))
 				continue;
 
-			tmp_mb = RIR_LIMIT(reg) >> 20;
+			tmp_mb = pvt->info.rir_limit(reg) >> 20;
 			rir_way = 1 << RIR_WAY(reg);
 			mb = div_u64_rem(tmp_mb, 1000, &kb);
 			edac_dbg(0, "CH#%d RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d, reg=0x%08x\n",
@@ -936,11 +1110,11 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 	struct mem_ctl_info	*new_mci;
 	struct sbridge_pvt *pvt = mci->pvt_info;
 	struct pci_dev		*pci_ha;
-	int 			n_rir, n_sads, n_tads, sad_way, sck_xch;
+	int			n_rir, n_sads, n_tads, sad_way, sck_xch;
 	int			sad_interl, idx, base_ch;
-	int			interleave_mode;
+	int			interleave_mode, shiftup = 0;
 	unsigned		sad_interleave[pvt->info.max_interleave];
-	u32			reg;
+	u32			reg, dram_rule;
 	u8			ch_way, sck_way, pkg, sad_ha = 0;
 	u32			tad_offset;
 	u32			rir_way;
@@ -987,8 +1161,9 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 		sprintf(msg, "Can't discover the memory socket");
 		return -EINVAL;
 	}
-	*area_type = get_dram_attr(reg);
-	interleave_mode = INTERLEAVE_MODE(reg);
+	dram_rule = reg;
+	*area_type = get_dram_attr(dram_rule);
+	interleave_mode = INTERLEAVE_MODE(dram_rule);
 
 	pci_read_config_dword(pvt->pci_sad0, pvt->info.interleave_list[n_sads],
 			      &reg);
@@ -1033,6 +1208,36 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 		*socket = sad_interleave[idx];
 		edac_dbg(0, "SAD interleave index: %d (wayness %d) = CPU socket %d\n",
 			 idx, sad_way, *socket);
+	} else if (pvt->info.type == HASWELL) {
+		int bits, a7mode = A7MODE(dram_rule);
+
+		if (a7mode) {
+			/* A7 mode swaps P9 with P6 */
+			bits = GET_BITFIELD(addr, 7, 8) << 1;
+			bits |= GET_BITFIELD(addr, 9, 9);
+		} else
+			bits = GET_BITFIELD(addr, 7, 9);
+
+		if (interleave_mode) {
+			/* interleave mode will XOR {8,7,6} with {18,17,16} */
+			idx = GET_BITFIELD(addr, 16, 18);
+			idx ^= bits;
+		} else
+			idx = bits;
+
+		pkg = sad_pkg(pvt->info.interleave_pkg, reg, idx);
+		*socket = sad_pkg_socket(pkg);
+		sad_ha = sad_pkg_ha(pkg);
+
+		if (a7mode) {
+			/* MCChanShiftUpEnable */
+			pci_read_config_dword(pvt->pci_ha0,
+					      HASWELL_HASYSDEFEATURE2, &reg);
+			shiftup = GET_BITFIELD(reg, 22, 22);
+		}
+
+		edac_dbg(0, "SAD interleave package: %d = CPU socket %d, HA %i, shiftup: %i\n",
+			 idx, *socket, sad_ha, shiftup);
 	} else {
 		/* Ivy Bridge's SAD mode doesn't support XOR interleave mode */
 		idx = (addr >> 6) & 7;
@@ -1090,7 +1295,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 	if (ch_way == 3)
 		idx = addr >> 6;
 	else
-		idx = addr >> (6 + sck_way);
+		idx = (addr >> (6 + sck_way + shiftup)) & 0x3;
 	idx = idx % ch_way;
 
 	/*
@@ -1181,7 +1386,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 		if (!IS_RIR_VALID(reg))
 			continue;
 
-		limit = RIR_LIMIT(reg);
+		limit = pvt->info.rir_limit(reg);
 		mb = div_u64_rem(limit >> 20, 1000, &kb);
 		edac_dbg(0, "RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d\n",
 			 n_rir,
@@ -1197,6 +1402,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 		return -EINVAL;
 	}
 	rir_way = RIR_WAY(reg);
+
 	if (pvt->is_close_pg)
 		idx = (ch_addr >> 6);
 	else
@@ -1259,13 +1465,11 @@ static int sbridge_get_onedevice(struct pci_dev **prev,
 {
 	struct sbridge_dev *sbridge_dev;
 	const struct pci_id_descr *dev_descr = &table->descr[devno];
-
 	struct pci_dev *pdev = NULL;
 	u8 bus = 0;
 
 	sbridge_printk(KERN_DEBUG,
-		"Seeking for: dev %02x.%d PCI ID %04x:%04x\n",
-		dev_descr->dev, dev_descr->func,
+		"Seeking for: PCI ID %04x:%04x\n",
 		PCI_VENDOR_ID_INTEL, dev_descr->dev_id);
 
 	pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
@@ -1280,12 +1484,12 @@ static int sbridge_get_onedevice(struct pci_dev **prev,
 		if (dev_descr->optional)
 			return 0;
 
+		/* if the HA wasn't found */
 		if (devno == 0)
 			return -ENODEV;
 
 		sbridge_printk(KERN_INFO,
-			"Device not found: dev %02x.%d PCI ID %04x:%04x\n",
-			dev_descr->dev, dev_descr->func,
+			"Device not found: %04x:%04x\n",
 			PCI_VENDOR_ID_INTEL, dev_descr->dev_id);
 
 		/* End of list, leave */
@@ -1305,9 +1509,7 @@ static int sbridge_get_onedevice(struct pci_dev **prev,
 
 	if (sbridge_dev->pdev[devno]) {
 		sbridge_printk(KERN_ERR,
-			"Duplicated device for "
-			"dev %02x:%d.%d PCI ID %04x:%04x\n",
-			bus, dev_descr->dev, dev_descr->func,
+			"Duplicated device for %04x:%04x\n",
 			PCI_VENDOR_ID_INTEL, dev_descr->dev_id);
 		pci_dev_put(pdev);
 		return -ENODEV;
@@ -1315,30 +1517,15 @@ static int sbridge_get_onedevice(struct pci_dev **prev,
 
 	sbridge_dev->pdev[devno] = pdev;
 
-	/* Sanity check */
-	if (unlikely(PCI_SLOT(pdev->devfn) != dev_descr->dev ||
-			PCI_FUNC(pdev->devfn) != dev_descr->func)) {
-		sbridge_printk(KERN_ERR,
-			"Device PCI ID %04x:%04x "
-			"has dev %02x:%d.%d instead of dev %02x:%02x.%d\n",
-			PCI_VENDOR_ID_INTEL, dev_descr->dev_id,
-			bus, PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
-			bus, dev_descr->dev, dev_descr->func);
-		return -ENODEV;
-	}
-
 	/* Be sure that the device is enabled */
 	if (unlikely(pci_enable_device(pdev) < 0)) {
 		sbridge_printk(KERN_ERR,
-			"Couldn't enable "
-			"dev %02x:%d.%d PCI ID %04x:%04x\n",
-			bus, dev_descr->dev, dev_descr->func,
+			"Couldn't enable %04x:%04x\n",
 			PCI_VENDOR_ID_INTEL, dev_descr->dev_id);
 		return -ENODEV;
 	}
 
-	edac_dbg(0, "Detected dev %02x:%d.%d PCI ID %04x:%04x\n",
-		 bus, dev_descr->dev, dev_descr->func,
+	edac_dbg(0, "Detected %04x:%04x\n",
 		 PCI_VENDOR_ID_INTEL, dev_descr->dev_id);
 
 	/*
@@ -1355,10 +1542,9 @@ static int sbridge_get_onedevice(struct pci_dev **prev,
 
 /*
  * sbridge_get_all_devices - Find and perform 'get' operation on the MCH's
- *			     device/functions we want to reference for this driver.
- *			     Need to 'get' device 16 func 1 and func 2.
+ *			     devices we want to reference for this driver.
  * @num_mc: pointer to the memory controllers count, to be incremented in case
- * 	    of success.
+ *	    of success.
  * @table: model specific table
  *
  * returns 0 in case of success or error code
@@ -1396,79 +1582,51 @@ static int sbridge_mci_bind_devs(struct mem_ctl_info *mci,
 {
 	struct sbridge_pvt *pvt = mci->pvt_info;
 	struct pci_dev *pdev;
-	int i, func, slot;
+	int i;
 
 	for (i = 0; i < sbridge_dev->n_devs; i++) {
 		pdev = sbridge_dev->pdev[i];
 		if (!pdev)
 			continue;
-		slot = PCI_SLOT(pdev->devfn);
-		func = PCI_FUNC(pdev->devfn);
-		switch (slot) {
-		case 12:
-			switch (func) {
-			case 6:
-				pvt->pci_sad0 = pdev;
-				break;
-			case 7:
-				pvt->pci_sad1 = pdev;
-				break;
-			default:
-				goto error;
-			}
+
+		switch (pdev->device) {
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0:
+			pvt->pci_sad0 = pdev;
 			break;
-		case 13:
-			switch (func) {
-			case 6:
-				pvt->pci_br0 = pdev;
-				break;
-			default:
-				goto error;
-			}
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1:
+			pvt->pci_sad1 = pdev;
 			break;
-		case 14:
-			switch (func) {
-			case 0:
-				pvt->pci_ha0 = pdev;
-				break;
-			default:
-				goto error;
-			}
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_BR:
+			pvt->pci_br0 = pdev;
 			break;
-		case 15:
-			switch (func) {
-			case 0:
-				pvt->pci_ta = pdev;
-				break;
-			case 1:
-				pvt->pci_ras = pdev;
-				break;
-			case 2:
-			case 3:
-			case 4:
-			case 5:
-				pvt->pci_tad[func - 2] = pdev;
-				break;
-			default:
-				goto error;
-			}
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0:
+			pvt->pci_ha0 = pdev;
 			break;
-		case 17:
-			switch (func) {
-			case 0:
-				pvt->pci_ddrio = pdev;
-				break;
-			default:
-				goto error;
-			}
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA:
+			pvt->pci_ta = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_RAS:
+			pvt->pci_ras = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0:
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD1:
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD2:
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD3:
+		{
+			int id = pdev->device - PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0;
+			pvt->pci_tad[id] = pdev;
+		}
+			break;
+		case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_DDRIO:
+			pvt->pci_ddrio = pdev;
 			break;
 		default:
 			goto error;
 		}
 
-		edac_dbg(0, "Associated PCI %02x.%02d.%d with dev = %p\n",
+		edac_dbg(0, "Associated PCI %02x:%02x, bus %d with dev = %p\n",
+			 pdev->vendor, pdev->device,
 			 sbridge_dev->bus,
-			 PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
 			 pdev);
 	}
 
@@ -1488,9 +1646,8 @@ static int sbridge_mci_bind_devs(struct mem_ctl_info *mci,
 	return -ENODEV;
 
 error:
-	sbridge_printk(KERN_ERR, "Device %d, function %d "
-		      "is out of the expected range\n",
-		      slot, func);
+	sbridge_printk(KERN_ERR, "Unexpected device %02x:%02x\n",
+		       PCI_VENDOR_ID_INTEL, pdev->device);
 	return -EINVAL;
 }
 
@@ -1499,7 +1656,7 @@ static int ibridge_mci_bind_devs(struct mem_ctl_info *mci,
 {
 	struct sbridge_pvt *pvt = mci->pvt_info;
 	struct pci_dev *pdev, *tmp;
-	int i, func, slot;
+	int i;
 	bool mode_2ha = false;
 
 	tmp = pci_get_device(PCI_VENDOR_ID_INTEL,
@@ -1513,79 +1670,60 @@ static int ibridge_mci_bind_devs(struct mem_ctl_info *mci,
 		pdev = sbridge_dev->pdev[i];
 		if (!pdev)
 			continue;
-		slot = PCI_SLOT(pdev->devfn);
-		func = PCI_FUNC(pdev->devfn);
 
-		switch (slot) {
-		case 14:
-			if (func == 0) {
-				pvt->pci_ha0 = pdev;
-				break;
-			}
-			goto error;
-		case 15:
-			switch (func) {
-			case 0:
-				pvt->pci_ta = pdev;
-				break;
-			case 1:
-				pvt->pci_ras = pdev;
-				break;
-			case 4:
-			case 5:
-				/* if we have 2 HAs active, channels 2 and 3
-				 * are in other device */
-				if (mode_2ha)
-					break;
-				/* fall through */
-			case 2:
-			case 3:
-				pvt->pci_tad[func - 2] = pdev;
+		switch (pdev->device) {
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0:
+			pvt->pci_ha0 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA:
+			pvt->pci_ta = pdev;
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS:
+			pvt->pci_ras = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD2:
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3:
+			/* if we have 2 HAs active, channels 2 and 3
+			 * are in other device */
+			if (mode_2ha)
 				break;
-			default:
-				goto error;
-			}
+			/* fall through */
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0:
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD1:
+		{
+			int id = pdev->device - PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0;
+			pvt->pci_tad[id] = pdev;
+		}
 			break;
-		case 17:
-			if (func == 4) {
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_2HA_DDRIO0:
+			pvt->pci_ddrio = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_1HA_DDRIO0:
+			if (!mode_2ha)
 				pvt->pci_ddrio = pdev;
-				break;
-			} else if (func == 0) {
-				if (!mode_2ha)
-					pvt->pci_ddrio = pdev;
-				break;
-			}
-			goto error;
-		case 22:
-			switch (func) {
-			case 0:
-				pvt->pci_sad0 = pdev;
-				break;
-			case 1:
-				pvt->pci_br0 = pdev;
-				break;
-			case 2:
-				pvt->pci_br1 = pdev;
-				break;
-			default:
-				goto error;
-			}
 			break;
-		case 28:
-			if (func == 0) {
-				pvt->pci_ha1 = pdev;
-				break;
-			}
-			goto error;
-		case 29:
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_SAD:
+			pvt->pci_sad0 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_BR0:
+			pvt->pci_br0 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_BR1:
+			pvt->pci_br1 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1:
+			pvt->pci_ha1 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0:
+		case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD1:
+		{
+			int id = pdev->device - PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0 + 2;
+
 			/* we shouldn't have this device if we have just one
 			 * HA present */
 			WARN_ON(!mode_2ha);
-			if (func == 2 || func == 3) {
-				pvt->pci_tad[func] = pdev;
-				break;
-			}
-			goto error;
+			pvt->pci_tad[id] = pdev;
+		}
+			break;
 		default:
 			goto error;
 		}
@@ -1614,11 +1752,111 @@ static int ibridge_mci_bind_devs(struct mem_ctl_info *mci,
 
 error:
 	sbridge_printk(KERN_ERR,
-		       "Device %d, function %d is out of the expected range\n",
-		       slot, func);
+		       "Unexpected device %02x:%02x\n", PCI_VENDOR_ID_INTEL,
+			pdev->device);
 	return -EINVAL;
 }
 
+static int haswell_mci_bind_devs(struct mem_ctl_info *mci,
+				 struct sbridge_dev *sbridge_dev)
+{
+	struct sbridge_pvt *pvt = mci->pvt_info;
+	struct pci_dev *pdev, *tmp;
+	int i;
+	bool mode_2ha = false;
+
+	tmp = pci_get_device(PCI_VENDOR_ID_INTEL,
+			     PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1, NULL);
+	if (tmp) {
+		mode_2ha = true;
+		pci_dev_put(tmp);
+	}
+
+	/* there's only one device per system; not tied to any bus */
+	if (pvt->info.pci_vtd == NULL)
+		/* result will be checked later */
+		pvt->info.pci_vtd = pci_get_device(PCI_VENDOR_ID_INTEL,
+						   PCI_DEVICE_ID_INTEL_HASWELL_IMC_VTD_MISC,
+						   NULL);
+
+	for (i = 0; i < sbridge_dev->n_devs; i++) {
+		pdev = sbridge_dev->pdev[i];
+		if (!pdev)
+			continue;
+
+		switch (pdev->device) {
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD0:
+			pvt->pci_sad0 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_CBO_SAD1:
+			pvt->pci_sad1 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0:
+			pvt->pci_ha0 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TA:
+			pvt->pci_ta = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_THERMAL:
+			pvt->pci_ras = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD0:
+			pvt->pci_tad[0] = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD1:
+			pvt->pci_tad[1] = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD2:
+			if (!mode_2ha)
+				pvt->pci_tad[2] = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD3:
+			if (!mode_2ha)
+				pvt->pci_tad[3] = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0:
+			pvt->pci_ddrio = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1:
+			pvt->pci_ha1 = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TA:
+			pvt->pci_ha1_ta = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD0:
+			if (mode_2ha)
+				pvt->pci_tad[2] = pdev;
+			break;
+		case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD1:
+			if (mode_2ha)
+				pvt->pci_tad[3] = pdev;
+			break;
+		default:
+			break;
+		}
+
+		edac_dbg(0, "Associated PCI %02x.%02d.%d with dev = %p\n",
+			 sbridge_dev->bus,
+			 PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
+			 pdev);
+	}
+
+	/* Check if everything were registered */
+	if (!pvt->pci_sad0 || !pvt->pci_ha0 || !pvt->pci_sad1 ||
+	    !pvt->pci_ras  || !pvt->pci_ta || !pvt->info.pci_vtd)
+		goto enodev;
+
+	for (i = 0; i < NUM_CHANNELS; i++) {
+		if (!pvt->pci_tad[i])
+			goto enodev;
+	}
+	return 0;
+
+enodev:
+	sbridge_printk(KERN_ERR, "Some needed devices are missing\n");
+	return -ENODEV;
+}
+
 /****************************************************************************
 			Error check routines
  ****************************************************************************/
@@ -1736,6 +1974,9 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci,
 	 * EDAC core should be handling the channel mask, in order to point
 	 * to the group of dimm's where the error may be happening.
 	 */
+	if (!pvt->is_lockstep && !pvt->is_mirrored && !pvt->is_close_pg)
+		channel = first_channel;
+
 	snprintf(msg, sizeof(msg),
 		 "%s%s area:%s err_code:%04x:%04x socket:%d channel_mask:%ld rank:%d",
 		 overflow ? " OVERFLOW" : "",
@@ -1865,10 +2106,6 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val,
 			  "%u APIC %x\n", mce->cpuvendor, mce->cpuid,
 			  mce->time, mce->socketid, mce->apicid);
 
-	/* Only handle if it is the right mc controller */
-	if (cpu_data(mce->cpu).phys_proc_id != pvt->sbridge_dev->mc)
-		return NOTIFY_DONE;
-
 	smp_rmb();
 	if ((pvt->mce_out + 1) % MCE_LOG_LEN == pvt->mce_in) {
 		smp_wmb();
@@ -1932,7 +2169,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
 	int rc;
 
 	/* Check the number of active and not disabled channels */
-	rc = check_if_ecc_is_active(sbridge_dev->bus);
+	rc = check_if_ecc_is_active(sbridge_dev->bus, type);
 	if (unlikely(rc < 0))
 		return rc;
 
@@ -1971,11 +2208,15 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
 	mci->edac_check = sbridge_check_error;
 
 	pvt->info.type = type;
-	if (type == IVY_BRIDGE) {
+	switch (type) {
+	case IVY_BRIDGE:
 		pvt->info.rankcfgr = IB_RANK_CFG_A;
 		pvt->info.get_tolm = ibridge_get_tolm;
 		pvt->info.get_tohm = ibridge_get_tohm;
 		pvt->info.dram_rule = ibridge_dram_rule;
+		pvt->info.get_memory_type = get_memory_type;
+		pvt->info.get_node_id = get_node_id;
+		pvt->info.rir_limit = rir_limit;
 		pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule);
 		pvt->info.interleave_list = ibridge_interleave_list;
 		pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list);
@@ -1986,11 +2227,15 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
 		rc = ibridge_mci_bind_devs(mci, sbridge_dev);
 		if (unlikely(rc < 0))
 			goto fail0;
-	} else {
+		break;
+	case SANDY_BRIDGE:
 		pvt->info.rankcfgr = SB_RANK_CFG_A;
 		pvt->info.get_tolm = sbridge_get_tolm;
 		pvt->info.get_tohm = sbridge_get_tohm;
 		pvt->info.dram_rule = sbridge_dram_rule;
+		pvt->info.get_memory_type = get_memory_type;
+		pvt->info.get_node_id = get_node_id;
+		pvt->info.rir_limit = rir_limit;
 		pvt->info.max_sad = ARRAY_SIZE(sbridge_dram_rule);
 		pvt->info.interleave_list = sbridge_interleave_list;
 		pvt->info.max_interleave = ARRAY_SIZE(sbridge_interleave_list);
@@ -2001,8 +2246,27 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
 		rc = sbridge_mci_bind_devs(mci, sbridge_dev);
 		if (unlikely(rc < 0))
 			goto fail0;
-	}
+		break;
+	case HASWELL:
+		/* rankcfgr isn't used */
+		pvt->info.get_tolm = haswell_get_tolm;
+		pvt->info.get_tohm = haswell_get_tohm;
+		pvt->info.dram_rule = ibridge_dram_rule;
+		pvt->info.get_memory_type = haswell_get_memory_type;
+		pvt->info.get_node_id = haswell_get_node_id;
+		pvt->info.rir_limit = haswell_rir_limit;
+		pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule);
+		pvt->info.interleave_list = ibridge_interleave_list;
+		pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list);
+		pvt->info.interleave_pkg = ibridge_interleave_pkg;
+		mci->ctl_name = kasprintf(GFP_KERNEL, "Haswell Socket#%d", mci->mc_idx);
 
+		/* Store pci devices at mci for faster access */
+		rc = haswell_mci_bind_devs(mci, sbridge_dev);
+		if (unlikely(rc < 0))
+			goto fail0;
+		break;
+	}
 
 	/* Get dimm basic config and the memory layout */
 	get_dimm_config(mci);
@@ -2037,10 +2301,10 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
 
 static int sbridge_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
-	int rc;
+	int rc = -ENODEV;
 	u8 mc, num_mc = 0;
 	struct sbridge_dev *sbridge_dev;
-	enum type type;
+	enum type type = SANDY_BRIDGE;
 
 	/* get the pci devices we want to reserve for our use */
 	mutex_lock(&sbridge_edac_lock);
@@ -2054,12 +2318,19 @@ static int sbridge_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 	probed++;
 
-	if (pdev->device == PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA) {
+	switch (pdev->device) {
+	case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA:
 		rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_ibridge_table);
 		type = IVY_BRIDGE;
-	} else {
+		break;
+	case PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA:
 		rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_sbridge_table);
 		type = SANDY_BRIDGE;
+		break;
+	case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0:
+		rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_haswell_table);
+		type = HASWELL;
+		break;
 	}
 	if (unlikely(rc < 0))
 		goto fail0;
@@ -2068,6 +2339,7 @@ static int sbridge_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	list_for_each_entry(sbridge_dev, &sbridge_edac_list, list) {
 		edac_dbg(0, "Registering MC#%d (%d of %d)\n",
 			 mc, mc + 1, num_mc);
+
 		sbridge_dev->mc = mc++;
 		rc = sbridge_register_mci(sbridge_dev, type);
 		if (unlikely(rc < 0))

include/linux/edac.h

@@ -194,6 +194,9 @@ static inline char *mc_event_error_type(const unsigned int err_type)
  * @MEM_DDR3:		DDR3 RAM
  * @MEM_RDDR3:		Registered DDR3 RAM
  *			This is a variant of the DDR3 memories.
+ * @MEM_DDR4:		DDR4 RAM
+ * @MEM_RDDR4:		Registered DDR4 RAM
+ *			This is a variant of the DDR4 memories.
  */
 enum mem_type {
 	MEM_EMPTY = 0,
@@ -213,6 +216,8 @@ enum mem_type {
 	MEM_XDR,
 	MEM_DDR3,
 	MEM_RDDR3,
+	MEM_DDR4,
+	MEM_RDDR4,
 };
 
 #define MEM_FLAG_EMPTY		BIT(MEM_EMPTY)