[linux-yocto] [PATCH 40/48] drivers/edac: Added EDAC drivers for XLF board

Daniel Dragomir daniel.dragomir at windriver.com
Mon Dec 11 05:14:10 PST 2017


From: Marek Majtyka <marekx.majtyka at intel.com>

 Added cache L1/L2/L3, SMEM and CMEM drivers.
 Added linux style debug CMEM option.
 Changes:
  - added dtsi/dts definition for XLF board
  - separated configuration between X9 and XLF
  - fix issue with nca ring access
  - added tracepoints for L3 cache
  - other small code adjustments.
  - changed from CMEM debug local define to Kconfig parameter

Signed-off-by: Marek Majtyka <marekx.majtyka at intel.com>
---
 .../devicetree/bindings/arm/axxia/edac_l1.txt      |  15 +++
 .../devicetree/bindings/arm/axxia/edac_l2.txt      |   5 +-
 .../devicetree/bindings/arm/axxia/edac_l3.txt      |  11 +-
 arch/arm64/boot/dts/intel/axc6732-waco.dts         |  32 +++++
 arch/arm64/boot/dts/intel/axc67xx.dtsi             |  68 +++++++++++
 drivers/edac/Kconfig                               |  45 ++++++-
 drivers/edac/Makefile                              |   4 +
 drivers/edac/axxia_edac-cmc_56xx.c                 | 135 +++++++++++++++++----
 drivers/edac/axxia_edac-l2_cpu_56xx.c              |  98 ++++++++++-----
 drivers/edac/axxia_edac-l3_56xx.c                  |  94 ++++++++++----
 drivers/edac/axxia_edac-mc_56xx.c                  |  35 +++---
 drivers/edac/edac_core.h                           |   7 ++
 drivers/edac/edac_device.c                         |  97 ++++++++++++++-
 drivers/misc/lsi-ncr.c                             |   4 +-
 include/trace/events/edac.h                        |  77 ++++++++++++
 include/trace/events/edacl3.h                      | 109 +++++++++++++++++
 16 files changed, 740 insertions(+), 96 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/arm/axxia/edac_l1.txt
 create mode 100644 include/trace/events/edac.h
 create mode 100644 include/trace/events/edacl3.h

diff --git a/Documentation/devicetree/bindings/arm/axxia/edac_l1.txt b/Documentation/devicetree/bindings/arm/axxia/edac_l1.txt
new file mode 100644
index 0000000..5e0a8dc
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/axxia/edac_l1.txt
@@ -0,0 +1,15 @@
+Axxia Error Detection & Correction [EDAC]
+The EDAC accesses ARM v7/v8 L2MERRSR_EL1 register data.
+
+Required properties:
+- compatible	: should contain "intel,cortex-a53-cpu" for AXM67xx
+		: should contain "intel,cortex-a57-cpu" for AXM56xx
+		: should contain "lsi,cortex-a15-cpu" for AXM55xx
+- syscon	: should referernce syscon node for both 55xx/56xx/67xx
+
+Example:
+	edac_l2: edac_l2 {
+	        compatible = "intel,cortex-a57-cpu";
+	        syscon = <&syscon>;
+	        status = "disabled";
+	};
diff --git a/Documentation/devicetree/bindings/arm/axxia/edac_l2.txt b/Documentation/devicetree/bindings/arm/axxia/edac_l2.txt
index d90629c..b99e77a 100644
--- a/Documentation/devicetree/bindings/arm/axxia/edac_l2.txt
+++ b/Documentation/devicetree/bindings/arm/axxia/edac_l2.txt
@@ -2,9 +2,10 @@ Axxia Error Detection & Correction [EDAC]
 The EDAC accesses ARM v7/v8 L2MERRSR_EL1 register data.
 
 Required properties:
-- compatible	: should contain "intel,cortex-a57-l2-cache" for AXM56xx
+- compatible	: should contain "intel,cortex-a53-l2-cache" for AXM67xx
+		: should contain "intel,cortex-a57-l2-cache" for AXM56xx
 		: should contain "lsi,cortex-a15-l2-cache" for AXM55xx
-- syscon	: should referernce syscon node for both 55xx/56xx
+- syscon	: should referernce syscon node for both 55xx/56xx/67xx
 
 Example:
 	edac_l2: edac_l2 {
diff --git a/Documentation/devicetree/bindings/arm/axxia/edac_l3.txt b/Documentation/devicetree/bindings/arm/axxia/edac_l3.txt
index e37b5b8..5b80f21 100644
--- a/Documentation/devicetree/bindings/arm/axxia/edac_l3.txt
+++ b/Documentation/devicetree/bindings/arm/axxia/edac_l3.txt
@@ -2,7 +2,8 @@ Axxia Error Detection & Correction [EDAC]
 The EDAC accesses a range of registers in the dickens l3 controller
 
 Required properties:
-- compatible : should contain "intel,ccn504-l3-cache"
+- compatible 	: should contain "intel,ccn504-l3-cache"
+		: should contain "intel,ccn512-l3-cache"
 - reg : should contain address of ccn first node; its range shall contain
 	all ccn nodes registers ( 0x1000000 ).
 - interrupts : if given driver uses interrupts, if not poll mechanism applies
@@ -15,3 +16,11 @@ Example:
 		syscon = <&syscon>;
 		status = "disabled";
 	};
+
+	edac_l3: edac_l3 {
+		compatible = "intel,ccn512-l3-cache";
+		reg = <0x40 0x00000000 0 0x1000000>;
+		interrupts = <0 432 4>;
+		syscon = <&syscon>;
+		status = "disabled";
+	};
diff --git a/arch/arm64/boot/dts/intel/axc6732-waco.dts b/arch/arm64/boot/dts/intel/axc6732-waco.dts
index 9208bab..93ef965 100644
--- a/arch/arm64/boot/dts/intel/axc6732-waco.dts
+++ b/arch/arm64/boot/dts/intel/axc6732-waco.dts
@@ -251,6 +251,18 @@
 	status = "okay";
 };
 
+&edac_cpu {
+	status = "okay";
+};
+
+&edac_l2 {
+	status = "okay";
+};
+
+&edac_l3 {
+	status = "okay";
+};
+
 &mtc {
 	status = "okay";
 };
@@ -258,3 +270,23 @@
 &trng {
 	status = "okay";
 };
+
+&sm0 {
+	status = "okay";
+};
+
+&sm1 {
+	status = "okay";
+};
+
+&sm2 {
+	status = "okay";
+};
+
+&sm3 {
+	status = "okay";
+};
+
+&cm0 {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/intel/axc67xx.dtsi b/arch/arm64/boot/dts/intel/axc67xx.dtsi
index 8370a1c..d4d3171 100644
--- a/arch/arm64/boot/dts/intel/axc67xx.dtsi
+++ b/arch/arm64/boot/dts/intel/axc67xx.dtsi
@@ -49,6 +49,14 @@
 		spi2	  = &spi2;
 		gpdma0	  = &gpdma0;
 		gpdma1	  = &gpdma1;
+		edac_cpu  = &edac_cpu;
+		edac_l2	 = &edac_l2;
+		edac_l3	 = &edac_l3;
+		sm0	  = &sm0;
+		sm1	  = &sm1;
+		sm2	  = &sm2;
+		sm3	  = &sm3;
+		cm0	  = &cm0;
 	};
 
 	clocks {
@@ -104,6 +112,26 @@
 			reg = <0x80 0x02c00000 0 0x40000>;
 		};
 
+		edac_cpu: edac_cpu {
+			compatible = "intel,cortex-a53-cpu";
+			syscon = <&syscon>;
+			status = "disabled";
+		};
+
+		edac_l2: edac_l2 {
+			compatible = "intel,cortex-a53-l2-cache";
+			syscon = <&syscon>;
+			status = "disabled";
+		};
+
+		edac_l3: edac_l3 {
+			compatible = "intel,ccn512-l3-cache";
+			reg = <0x40 0x00000000 0 0x1000000>;
+			interrupts = <0 432 4>;
+			syscon = <&syscon>;
+			status = "disabled";
+		};
+
 		reset: reset at 2010031000 {
 			compatible = "intel,axm56xx-reset";
 			syscon = <&syscon>;
@@ -135,6 +163,46 @@
 			status = "disabled";
 		};
 
+		sm0: sm0 at 00220000 {
+			compatible = "intel,smmon";
+			reg = <0 0x00220000 0 0x1000>;
+			syscon = <&syscon>;
+			interrupts = <0 451 4>;
+			status = "disabled";
+		};
+
+		sm1: sm1 at 000f0000 {
+			compatible = "intel,smmon";
+			reg = <0 0x000f0000 0 0x1000>;
+			syscon = <&syscon>;
+			interrupts = <0 452 4>;
+			status = "disabled";
+		};
+
+		sm2: sm2 at 00230000 {
+			compatible = "intel,smmon";
+			reg = <0 0x00230000 0 0x1000>;
+			syscon = <&syscon>;
+			interrupts = <0 453 4>;
+			status = "disabled";
+		};
+
+		sm3: sm3 at 00240000 {
+			compatible = "intel,smmon";
+			reg = <0 0x00240000 0 0x1000>;
+			syscon = <&syscon>;
+			interrupts = <0 454 4>;
+			status = "disabled";
+		};
+
+		cm0: cm0 at 00080009 {
+			compatible = "intel,cmmon";
+			reg = <0 0x00080009 0 0x1000>;
+			syscon = <&syscon>;
+			interrupts = <0 386 4>;
+			status = "disabled";
+		};
+
 		usb0: usb at 9000000000 {
 			compatible = "intel,axxia-dwc3";
 			dma-coherent;
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index fb10774..aa91dda 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -400,6 +400,15 @@ config EDAC_AXXIA_SYSMEM_5500
 	  the System Memory error detection. System Memory error
 	  detection is interrupt driven.
 
+config EDAC_AXXIA_SYSMEM_6700
+	depends on ARCH_AXXIA
+	bool "AXXIA EDAC SysMem Controller for 6700"
+	help
+	  Support for System Memory Denali controller error
+	  detection on the AXXIA AXM67xx devices. This enables
+	  the System Memory error detection. System Memory error
+	  detection is interrupt driven.
+
 config EDAC_AXXIA_CMEM_5600
 	depends on ARCH_AXXIA
 	bool "AXXIA EDAC CMem Controller for 5600"
@@ -409,6 +418,24 @@ config EDAC_AXXIA_CMEM_5600
 	  the Configuration Memory error detection. Configuration Memory error
 	  detection is interrupt driven.
 
+config EDAC_AXXIA_CMEM_6700
+	depends on ARCH_AXXIA
+	bool "AXXIA EDAC CMem Controller for 6700"
+	help
+	  Support for Configuration Memory Denali controller error
+	  detection on the AXXIA AXM67xx devices. This enables
+	  the Configuration Memory error detection. Configuration Memory error
+	  detection is interrupt driven.
+
+config DEBUG_EDAC_AXXIA_CMEM
+	depends on ARCH_AXXIA
+	bool "AXXIA EDAC CMEM error injection interface."
+	help
+	  Support for configuration of CMEM edac error injection functionality.
+	  It works for both 5600 and 6700 board families.
+	  Enables error injection functionality for CMEM over procfs
+	  interface (/proc/driver/).
+
 config EDAC_AXXIA_L3_5500
 	tristate "AXXIA EDAC L3 Controller for 5500"
 	help
@@ -421,10 +448,18 @@ config EDAC_AXXIA_L3_5600
 	tristate "AXXIA EDAC L3 Controller for 5600"
 	help
 	  Support for the eight L3 caches error detection
-	  on the AXXIA AXM55xx devices. This enables the
+	  on the AXXIA AXM56xx devices. This enables the
 	  L3 cache error detection. L3 cache error detection
 	  uses polling mechanism.
 
+config EDAC_AXXIA_L3_6700
+	tristate "AXXIA EDAC L3 Controller for 6700"
+	help
+	  Support for the eight L3 caches error detection
+	  on the AXXIA AXM67xx devices. This enables the
+	  L3 cache error detection. L3 cache error detection
+	  can use polling mechanism or be interrupt driven.
+
 config EDAC_AXXIA_L2_CPU_5500
 	tristate "AXXIA EDAC L2/CPU Controller for 5500"
 	help
@@ -441,6 +476,14 @@ config EDAC_AXXIA_L2_CPU_5600
 	  cache and A57 CPU error detction. L2 cache and A57
 	  CPU error detection uses polling mechanism.
 
+config EDAC_AXXIA_L2_CPU_6700
+	tristate "AXXIA EDAC L2/CPU Controller for 6700"
+	help
+	  Support for L2 cache and A53 CPU error detection
+	  on AXXIA AXM67xx devices. This enables the L2
+	  cache and A53 CPU error detction. L2 cache and A53
+	  CPU error detection uses polling mechanism.
+
 config EDAC_ALTERA
 	bool "Altera SOCFPGA ECC"
 	depends on EDAC_MM_EDAC=y && ARCH_SOCFPGA
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index c545959..5209c9a 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -20,11 +20,15 @@ endif
 
 obj-$(CONFIG_EDAC_AXXIA_SYSMEM_5500)	+= axxia_edac-mc.o
 obj-$(CONFIG_EDAC_AXXIA_SYSMEM_5600)	+= axxia_edac-mc_56xx.o
+obj-$(CONFIG_EDAC_AXXIA_SYSMEM_6700)	+= axxia_edac-mc_56xx.o
 obj-$(CONFIG_EDAC_AXXIA_CMEM_5600)	+= axxia_edac-cmc_56xx.o
+obj-$(CONFIG_EDAC_AXXIA_CMEM_6700)	+= axxia_edac-cmc_56xx.o
 obj-$(CONFIG_EDAC_AXXIA_L3_5500)	+= axxia_edac-l3.o
 obj-$(CONFIG_EDAC_AXXIA_L3_5600)	+= axxia_edac-l3_56xx.o
+obj-$(CONFIG_EDAC_AXXIA_L3_6700)	+= axxia_edac-l3_56xx.o
 obj-$(CONFIG_EDAC_AXXIA_L2_CPU_5500)	+= axxia_edac-l2_cpu.o
 obj-$(CONFIG_EDAC_AXXIA_L2_CPU_5600)	+= axxia_edac-l2_cpu_56xx.o
+obj-$(CONFIG_EDAC_AXXIA_L2_CPU_6700)	+= axxia_edac-l2_cpu_56xx.o
 obj-$(CONFIG_EDAC_GHES)			+= ghes_edac.o
 
 edac_mce_amd-y				:= mce_amd.o
diff --git a/drivers/edac/axxia_edac-cmc_56xx.c b/drivers/edac/axxia_edac-cmc_56xx.c
index c4bf2d0..11c650af 100644
--- a/drivers/edac/axxia_edac-cmc_56xx.c
+++ b/drivers/edac/axxia_edac-cmc_56xx.c
@@ -39,7 +39,13 @@
 #define MPR_HDR2	"Lp.    dram0      dram1"
 #define MPR_HDR4	"      dram2      dram3"
 
-#define INTEL_EDAC_MOD_STR	"axxia56xx_edac"
+#if defined(CONFIG_EDAC_AXXIA_CMEM_5600)
+#define INTEL_EDAC_MOD_STR     "axxia56xx_edac"
+#endif
+
+#if defined(CONFIG_EDAC_AXXIA_CMEM_6700)
+#define INTEL_EDAC_MOD_STR     "axxia67xx_edac"
+#endif
 
 #define AXI2_SER3_PHY_ADDR	0x008002c00000ULL
 #define AXI2_SER3_PHY_SIZE	PAGE_SIZE
@@ -286,6 +292,31 @@ struct __packed cm_56xx_denali_ctl_34
 #endif
 };
 
+#ifdef CONFIG_DEBUG_EDAC_AXXIA_CMEM
+
+#define CM_56XX_DENALI_CTL_62 0xf8
+
+struct __packed cm_56xx_denali_ctl_62
+{
+#ifdef CPU_BIG_ENDIAN
+	unsigned	reserved0				: 2;
+	unsigned	xor_check_bits				: 14;
+	unsigned	reserved1				: 7;
+	unsigned	fwc					: 1;
+	unsigned	reserved2				: 7;
+	unsigned	ecc_en					: 1;
+#else	/* Little Endian */
+	unsigned	ecc_en					: 1;
+	unsigned	reserved2				: 7;
+	unsigned	fwc					: 1;
+	unsigned	reserved1				: 7;
+	unsigned	xor_check_bits				: 14;
+	unsigned	reserved0				: 2;
+#endif
+};
+
+#endif
+
 struct __packed cm_56xx_denali_ctl_74
 {
 #ifdef CPU_BIG_ENDIAN
@@ -455,7 +486,7 @@ struct intel_edac_dev_info {
 	char *ctl_name;
 	char *blk_name;
 	char *proc_name;
-#ifdef CONFIG_DEBUG_CMEM
+#ifdef CONFIG_DEBUG_EDAC_AXXIA_CMEM
 	struct proc_dir_entry *dir_entry;
 #endif
 	struct mutex state_machine_lock;
@@ -475,7 +506,48 @@ struct intel_edac_dev_info {
 	void (*check)(struct edac_device_ctl_info *edac_dev);
 };
 
-#ifdef CONFIG_DEBUG_CMEM
+#ifdef CONFIG_DEBUG_EDAC_AXXIA_CMEM
+static int setup_fault_injection(struct intel_edac_dev_info *dev_info,
+					int fault, int enable)
+{
+	struct cm_56xx_denali_ctl_62 denali_ctl_62;
+
+	if (ncr_read(dev_info->cm_region,
+		CM_56XX_DENALI_CTL_62,
+		4, &denali_ctl_62))
+		goto error_read;
+
+	denali_ctl_62.xor_check_bits = fault;
+
+	if (ncr_write(dev_info->cm_region,
+		CM_56XX_DENALI_CTL_62,
+		4, (u32 *) &denali_ctl_62))
+		goto error_write;
+
+	if (ncr_read(dev_info->cm_region,
+		CM_56XX_DENALI_CTL_62,
+		4, &denali_ctl_62))
+		goto error_read;
+
+	denali_ctl_62.fwc = (enable > 0 ? 0x1 : 0x0);
+
+	if (ncr_write(dev_info->cm_region,
+		CM_56XX_DENALI_CTL_62,
+		4, (u32 *) &denali_ctl_62))
+		goto error_write;
+	return 0;
+
+error_read:
+	printk_ratelimited("%s: Error reading denali_ctl_62\n",
+		       dev_name(&dev_info->pdev->dev));
+	return 1;
+
+error_write:
+	printk_ratelimited("%s: Error writing denali_ctl_62\n",
+		       dev_name(&dev_info->pdev->dev));
+	return 1;
+}
+
 static ssize_t mpr1_dump_show(struct edac_device_ctl_info
 				 *edac_dev, char *data)
 {
@@ -832,7 +904,7 @@ static void intel_cm_alerts_error_check(struct edac_device_ctl_info *edac_dev)
 	struct event_counter (*alerts)[MAX_DQ][MPR_ERRORS] =
 			dev_info->data->alerts;
 	struct cm_56xx_denali_ctl_34 denali_ctl_34;
-	int i, j, k, l, ret;
+	int i, j, k, ret;
 	u32 counter;
 
 start:
@@ -894,10 +966,10 @@ static void intel_cm_alerts_error_check(struct edac_device_ctl_info *edac_dev)
 				 */
 				counter = atomic_xchg(&alerts[i][j][k].counter,
 							0);
-				for (l = 0; l < counter; ++l)
-					edac_device_handle_ce(edac_dev, 0,
+				if (counter)
+					edac_device_handle_multi_ce(edac_dev, 0,
 						alerts[i][j][k].edac_block_idx,
-						edac_dev->ctl_name);
+						counter, edac_dev->ctl_name);
 			}
 		}
 	}
@@ -927,7 +999,7 @@ static void intel_cm_events_error_check(struct edac_device_ctl_info *edac_dev)
 	struct intel_edac_dev_info *dev_info =
 			(struct intel_edac_dev_info *) edac_dev->pvt_info;
 	struct event_counter *events = dev_info->data->events;
-	int i, j;
+	int i;
 	u32 counter;
 
 	while (1) {
@@ -944,7 +1016,7 @@ static void intel_cm_events_error_check(struct edac_device_ctl_info *edac_dev)
 		mutex_lock(&dev_info->data->edac_sysfs_data_lock);
 		for (i = 0; i < NR_EVENTS; ++i) {
 			counter = atomic_xchg(&events[i].counter, 0);
-			for (j = 0; j < counter; ++j) {
+			if (counter)
 				switch (i) {
 				/*
 				 * TODO - How can one determine event type?
@@ -954,22 +1026,23 @@ static void intel_cm_events_error_check(struct edac_device_ctl_info *edac_dev)
 				case EV_MULT_ILLEGAL:
 				case EV_UNCORR_ECC:
 				case EV_MULT_UNCORR_ECC:
-					edac_device_handle_ue(edac_dev, 0, i,
-							edac_dev->ctl_name);
+					edac_device_handle_multi_ue(edac_dev,
+						0, i, counter,
+						edac_dev->ctl_name);
 					break;
 				case EV_CORR_ECC:
 				case EV_MULT_CORR_ECC:
 				case EV_PORT_ERROR:
 				case EV_WRAP_ERROR:
 				case EV_PARITY_ERROR:
-					edac_device_handle_ce(edac_dev, 0, i,
-							edac_dev->ctl_name);
+					edac_device_handle_multi_ce(edac_dev,
+						0, i, counter,
+						edac_dev->ctl_name);
 					break;
 				default:
 					printk_ratelimited(
 						"ERROR EVENT MISSING.\n");
 				}
-			}
 		}
 		mutex_unlock(&dev_info->data->edac_sysfs_data_lock);
 	}
@@ -1209,7 +1282,7 @@ static int initialize(struct intel_edac_dev_info *dev_info)
 	dev_info->edac_dev->dev_name = dev_name(&dev_info->pdev->dev);
 	dev_info->edac_dev->edac_check = NULL;
 
-#ifdef CONFIG_DEBUG_CMEM
+#ifdef CONFIG_DEBUG_EDAC_AXXIA_CMEM
 	if (dev_info->is_ddr4)
 		axxia_mc_sysfs_attributes(dev_info->edac_dev);
 #endif
@@ -1311,7 +1384,7 @@ static int enable_driver_irq(struct intel_edac_dev_info *dev_info)
 }
 
 
-#ifdef CONFIG_DEBUG_CMEM
+#ifdef CONFIG_DEBUG_EDAC_AXXIA_CMEM
 static ssize_t
 axxia_cmem_read(struct file *filp, char *buffer, size_t length, loff_t *offset)
 {
@@ -1323,7 +1396,7 @@ axxia_cmem_read(struct file *filp, char *buffer, size_t length, loff_t *offset)
 	if (*offset > 0)
 		return 0;
 
-	buf = kmalloc(PAGE_SIZE, __GFP_WAIT);
+	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
 	if (buf == NULL)
 		goto no_mem_buffer;
 
@@ -1335,7 +1408,15 @@ axxia_cmem_read(struct file *filp, char *buffer, size_t length, loff_t *offset)
 	 */
 	len = snprintf(buf, PAGE_SIZE-1, "Node: 0x%x\n"
 		"Command available:\n"
-		"          dump - triggers mpr_page1 dump.\n",
+		"          dump - triggers mpr_page1 dump.\n"
+		"          cerror - enable correctable error injection.\n"
+		"          uerror - enable uncorrectable error injection.\n"
+		"          disable - disable errors injection\n"
+		" When error is enabled run a sequence:\n"
+		"  ncpWrite -w 32 0x%x.0x0.0x4 0x11223344\n"
+		"  ncpRead 0x%x.0x0.0x4\n",
+		(int) dev_info->cm_region >> 16,
+		(int) dev_info->cm_region >> 16,
 		(int) dev_info->cm_region >> 16);
 
 	mutex_unlock(&dev_info->state_machine_lock);
@@ -1361,7 +1442,7 @@ axxia_cmem_write(struct file *file, const char __user *buffer,
 	struct intel_edac_dev_info *dev_info =
 		(struct intel_edac_dev_info *) file->private_data;
 
-	buf = kmalloc(count + 1, __GFP_WAIT);
+	buf = kmalloc(count + 1, GFP_KERNEL);
 	if (buf == NULL)
 		goto no_mem_buffer;
 
@@ -1376,6 +1457,18 @@ axxia_cmem_write(struct file *file, const char __user *buffer,
 		atomic_inc(&dev_info->data->dump_in_progress);
 		wake_up(&dev_info->data->dump_wq);
 	}
+	if (!strncmp(buf, "cerror", 6)) {
+		/* 0x75 0x75 */
+		setup_fault_injection(dev_info, 0x3af5, 1);
+	}
+	if (!strncmp(buf, "uerror", 6)) {
+		/* 0x3 0x3 */
+		setup_fault_injection(dev_info, 0x183, 1);
+	}
+	if (!strncmp(buf, "disable", 7)) {
+		/* disable injection */
+		setup_fault_injection(dev_info, 0x0, 0);
+	}
 
 	kfree(buf);
 	return count;
@@ -1548,7 +1641,7 @@ static int intel_edac_mc_probe(struct platform_device *pdev)
 			dev_name(&dev_info->pdev->dev));
 	}
 
-#ifdef CONFIG_DEBUG_CMEM
+#ifdef CONFIG_DEBUG_EDAC_AXXIA_CMEM
 	/* in this case create procfs file to be used by rte */
 	dev_info->proc_name =
 		devm_kzalloc(&pdev->dev, 32*sizeof(char),
@@ -1599,7 +1692,7 @@ static int intel_edac_mc_remove(struct platform_device *pdev)
 		(struct intel_edac_dev_info *) &pdev->dev;
 
 	if (dev_info) {
-#ifdef CONFIG_DEBUG_CMEM
+#ifdef CONFIG_DEBUG_EDAC_AXXIA_CMEM
 		remove_procfs_entry(dev_info);
 #endif
 
diff --git a/drivers/edac/axxia_edac-l2_cpu_56xx.c b/drivers/edac/axxia_edac-l2_cpu_56xx.c
index 4b5f6bf..3248384 100644
--- a/drivers/edac/axxia_edac-l2_cpu_56xx.c
+++ b/drivers/edac/axxia_edac-l2_cpu_56xx.c
@@ -9,6 +9,8 @@
  * GNU General Public License.
  */
 
+#define CREATE_TRACE_POINTS
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -22,12 +24,20 @@
 #include <linux/reboot.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
+#include <trace/events/edac.h>
 #include "edac_core.h"
 #include "edac_module.h"
 #include "axxia_l2_56xx.h"
 
 
+#if defined(CONFIG_EDAC_AXXIA_L2_CPU_5600)
 #define INTEL_EDAC_MOD_STR     "axxia56xx_edac"
+#endif
+
+#if defined(CONFIG_EDAC_AXXIA_L2_CPU_6700)
+#define INTEL_EDAC_MOD_STR     "axxia67xx_edac"
+#endif
+
 #define CORES_PER_CLUSTER 4
 
 #define SYSCON_PERSIST_SCRATCH 0xdc
@@ -50,38 +60,41 @@ void log_cpumerrsr(void *edac)
 	struct edac_device_ctl_info *edac_dev = edac;
 	u64 val, clear_val;
 	u32 count0, count1;
-	int i;
 	struct intel_edac_dev_info *dev_info;
 
 	dev_info = edac_dev->pvt_info;
 
 	/* Read S3_1_c15_c2_2 for CPUMERRSR_EL1 counts */
 	val = read_cpumerrsr();
+	trace_edac_l1cache_syndrome(val);
+
+	if (val & 0x8000000000000000) {
+		regmap_update_bits(dev_info->syscon,
+				   SYSCON_PERSIST_SCRATCH,
+				   CPU_PERSIST_SCRATCH_BIT,
+				   CPU_PERSIST_SCRATCH_BIT);
+		pr_emerg("CPU uncorrectable error\n");
+		machine_restart(NULL);
+	}
+
 	if (val & 0x80000000) {
 		int cpu = get_cpu();
 
-		count0 = ((val) & 0x000000ff00000000) >> 31;
-		count1 = ((val) & 0x0000ff0000000000) >> 39;
+		count0 = ((val) & 0x000000ff00000000) >> 32;
+		count1 = ((val) & 0x0000ff0000000000) >> 40;
 
 		/* increment correctable error counts */
-		for (i = 0; i < count0+count1; i++) {
-			edac_device_handle_ce(edac_dev, 0,
-				cpu, edac_dev->ctl_name);
-		}
+		trace_edac_l1cache_counter(count0 + count1);
+
+		if (count0 || count1)
+			edac_device_handle_multi_ce(edac_dev, 0, cpu,
+				count0 + count1, edac_dev->ctl_name);
 
 		/* Clear the valid bit */
 		clear_val = 0x80000000;
 		write_cpumerrsr(clear_val);
 		put_cpu();
 	}
-	if (val & 0x8000000000000000) {
-		regmap_update_bits(dev_info->syscon,
-				   SYSCON_PERSIST_SCRATCH,
-				   CPU_PERSIST_SCRATCH_BIT,
-				   CPU_PERSIST_SCRATCH_BIT);
-		pr_emerg("CPU uncorrectable error\n");
-		machine_restart(NULL);
-	}
 }
 
 
@@ -101,38 +114,38 @@ void log_l2merrsr(void *edac)
 	struct edac_device_ctl_info *edac_dev = edac;
 	u64 val, clear_val;
 	u32 count0, count1;
-	int i;
 	struct intel_edac_dev_info *dev_info;
 
 	dev_info = edac_dev->pvt_info;
 
 	val = read_l2merrsr();
+	trace_edac_l2cache_syndrome(val);
+	if (val & 0x8000000000000000) {
+		regmap_update_bits(dev_info->syscon,
+				   SYSCON_PERSIST_SCRATCH,
+				   L2_PERSIST_SCRATCH_BIT,
+				   L2_PERSIST_SCRATCH_BIT);
+		pr_emerg("L2 uncorrectable error\n");
+		machine_restart(NULL);
+	}
 	if (val & 0x80000000) {
 		int cpu = get_cpu();
 
-		count0 = ((val) & 0x000000ff00000000) >> 31;
-		count1 = ((val) & 0x0000ff0000000000) >> 39;
+		count0 = ((val) & 0x000000ff00000000) >> 32;
+		count1 = ((val) & 0x0000ff0000000000) >> 40;
 
 		/* increment correctable error counts */
-		for (i = 0; i < count0+count1; i++) {
-			edac_device_handle_ce(edac_dev, 0,
+		trace_edac_l2cache_counter(count0 + count1);
+		if (count0 || count1)
+			edac_device_handle_multi_ce(edac_dev, 0,
 				cpu/CORES_PER_CLUSTER,
-				edac_dev->ctl_name);
-		}
+				count0 + count1, edac_dev->ctl_name);
 
 		/* Clear the valid bit */
 		clear_val = 0x80000000;
 		write_l2merrsr(clear_val);
 		put_cpu();
 	}
-	if (val & 0x8000000000000000) {
-		regmap_update_bits(dev_info->syscon,
-				   SYSCON_PERSIST_SCRATCH,
-				   L2_PERSIST_SCRATCH_BIT,
-				   L2_PERSIST_SCRATCH_BIT);
-		pr_emerg("L2 uncorrectable error\n");
-		machine_restart(NULL);
-	}
 }
 
 /* Check for L2 Errors */
@@ -262,9 +275,22 @@ static int intel_edac_l2_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id intel_edac_l2_match[] = {
+#if defined(CONFIG_EDAC_AXXIA_L2_CPU_5600)
+
 	{
 	.compatible = "intel,cortex-a57-l2-cache",
 	},
+
+#endif
+
+#if defined(CONFIG_EDAC_AXXIA_L2_CPU_6700)
+
+	{
+	.compatible = "intel,cortex-a53-l2-cache",
+	},
+
+#endif
+
 	{},
 };
 
@@ -277,9 +303,21 @@ static struct platform_driver intel_edac_l2_driver = {
 	}
 };
 static const struct of_device_id intel_edac_cpu_match[] = {
+#if defined(CONFIG_EDAC_AXXIA_L2_CPU_5600)
+
 	{
 	.compatible = "intel,cortex-a57-cpu",
 	},
+
+#endif
+
+#if defined(CONFIG_EDAC_AXXIA_L2_CPU_6700)
+
+	{
+	.compatible = "intel,cortex-a53-cpu",
+	},
+
+#endif
 	{},
 };
 
diff --git a/drivers/edac/axxia_edac-l3_56xx.c b/drivers/edac/axxia_edac-l3_56xx.c
index fa9548b..af4ff16 100644
--- a/drivers/edac/axxia_edac-l3_56xx.c
+++ b/drivers/edac/axxia_edac-l3_56xx.c
@@ -2,12 +2,14 @@
  * drivers/edac/axxia_edac-l3_56xx.c
  *
  * EDAC Driver for Intel's Axxia 5600 L3 (DICKENS)
+ * EDAC Driver for Intel's Axxia 6700 L3 (SHELLEY)
  *
  * Copyright (C) 2017 Intel Inc.
  *
  * This file may be distributed under the terms of the
  * GNU General Public License.
  */
+#define CREATE_TRACE_POINTS
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -24,10 +26,21 @@
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
 #include <linux/arm-smccc.h>
+#include <trace/events/edacl3.h>
 #include "edac_core.h"
 #include "edac_module.h"
 
+#if defined(CONFIG_EDAC_AXXIA_L3_5600)
 #define INTEL_EDAC_MOD_STR     "axxia56xx_edac"
+#define CCN_XP_NODES			11
+#define	CCN_HNI_NODES			1
+#endif
+
+#if defined(CONFIG_EDAC_AXXIA_L3_6700)
+#define INTEL_EDAC_MOD_STR     "axxia67xx_edac"
+#define CCN_XP_NODES			18
+#define	CCN_HNI_NODES			2
+#endif
 
 #define SYSCON_PERSIST_SCRATCH 0xdc
 #define L3_PERSIST_SCRATCH_BIT (0x1 << 4)
@@ -55,7 +68,6 @@
 
 #define CCN_HNI_NODE_BIT		8
 #define CCN_HNF_NODES			8
-#define CCN_XP_NODES			11
 #define CCN_DT_NODE_BASE_ADDR		(1 * CCN_REGION_SIZE)
 #define CCN_HNI_NODE_BASE_ADDR(i)	(0x80000 + (i) * CCN_REGION_SIZE)
 #define CCN_HNF_NODE_BASE_ADDR(i)	(0x200000 + (i) * CCN_REGION_SIZE)
@@ -151,7 +163,7 @@ struct intel_edac_dev_info {
 	int irq_used;
 	struct event_data data[CCN_HNF_NODES];
 	struct event_data data_xp[CCN_XP_NODES];
-	struct event_data data_hni;
+	struct event_data data_hni[CCN_HNI_NODES];
 	struct regmap *syscon;
 	void __iomem *dickens_L3;
 	struct edac_device_ctl_info *edac_dev;
@@ -198,7 +210,7 @@ static irqreturn_t ccn_irq_thread(int irq, void *device)
 	union dickens_hnf_err_syndrome_reg1 err_syndrome_reg1;
 	struct arm_smccc_res r;
 	unsigned int count = 0;
-	int i, j;
+	int i;
 
 	/* only HNF nodes are of our interest */
 	for (i = 0; i < CCN_HNF_NODES; ++i) {
@@ -222,10 +234,10 @@ static irqreturn_t ccn_irq_thread(int irq, void *device)
 				machine_restart(NULL);
 			}
 			count = err_syndrome_reg0.reg0.err_count;
-			for (j = 0; j < count; j++)
-				edac_device_handle_ce(edac_dev, 0,
+			if (count)
+				edac_device_handle_multi_ce(edac_dev, 0,
 					dev_info->data[i].idx,
-					edac_dev->ctl_name);
+					count, edac_dev->ctl_name);
 		}
 	}
 
@@ -233,6 +245,8 @@ static irqreturn_t ccn_irq_thread(int irq, void *device)
 	arm_smccc_smc(0xc4000027, CCN_MN_ERRINT_STATUS__INTREQ__DESSERT,
 			0, 0, 0, 0, 0, 0, &r);
 
+	trace_edacl3_smc_results(&r);
+
 	return IRQ_HANDLED;
 }
 
@@ -262,24 +276,37 @@ static irqreturn_t ccn_irq_handler(int irq, void *device)
 		err_or |= err_sig_val[i];
 	}
 
-	err_type_value[i] = readq(ccn_base + CCN_MN_ERROR_TYPE_VALUE);
-	err_type_value[i] = readq(ccn_base + CCN_MN_ERROR_TYPE_VALUE + 0x8);
-	err_type_value[i] = readq(ccn_base + CCN_MN_ERROR_TYPE_VALUE + 0x10);
-	err_type_value[i] = readq(ccn_base + CCN_MN_ERROR_TYPE_VALUE + 0x20);
+	trace_edacl3_sig_vals(err_sig_val[0], err_sig_val[1],
+				err_sig_val[2]);
+
+	i = 0;
+	err_type_value[i]   = readq(ccn_base + CCN_MN_ERROR_TYPE_VALUE);
+	err_type_value[++i] = readq(ccn_base + CCN_MN_ERROR_TYPE_VALUE + 0x8);
+	err_type_value[++i] = readq(ccn_base + CCN_MN_ERROR_TYPE_VALUE + 0x10);
+	err_type_value[++i] = readq(ccn_base + CCN_MN_ERROR_TYPE_VALUE + 0x20);
+
+	trace_edacl3_error_types(err_type_value[0], err_type_value[1],
+					err_type_value[2], err_type_value[3]);
 
 	/* check hni node */
-	if ((0x1 << CCN_HNI_NODE_BIT) & err_sig_val[0]) {
-		err_synd_reg0 = readq(ccn_base + CCN_HNI_NODE_BASE_ADDR(0) +
+	for (i = 0; i < CCN_HNI_NODES; ++i) {
+		if ((0x1 << (CCN_HNI_NODE_BIT + i)) & err_sig_val[0]) {
+			err_synd_reg0 = readq(ccn_base +
+					CCN_HNI_NODE_BASE_ADDR(i) +
 					CCN_NODE_ERR_SYND_REG0);
-		err_synd_reg1 = readq(ccn_base + CCN_HNI_NODE_BASE_ADDR(0) +
+			err_synd_reg1 = readq(ccn_base +
+					CCN_HNI_NODE_BASE_ADDR(i) +
 					CCN_NODE_ERR_SYND_REG1);
 
-		dev_info->data_hni.err_synd_reg0 = err_synd_reg0;
-		dev_info->data_hni.err_synd_reg1 = err_synd_reg1;
-		dev_info->data_hni.idx = 0;
+			trace_edacl3_syndromes(err_synd_reg0,
+							err_synd_reg1);
+			dev_info->data_hni[i].err_synd_reg0 = err_synd_reg0;
+			dev_info->data_hni[i].err_synd_reg1 = err_synd_reg1;
+			dev_info->data_hni[i].idx = 0;
 
-		clear_node_error(ccn_base + CCN_HNI_NODE_BASE_ADDR(0) +
-					CCN_NODE_ERR_SYND_CLR);
+			clear_node_error(ccn_base + CCN_HNI_NODE_BASE_ADDR(i) +
+						CCN_NODE_ERR_SYND_CLR);
+		}
 	}
 
 	/* go through all hnf nodes */
@@ -293,6 +320,9 @@ static irqreturn_t ccn_irq_handler(int irq, void *device)
 						CCN_HNF_NODE_BASE_ADDR(i) +
 						CCN_NODE_ERR_SYND_REG1);
 
+			trace_edacl3_syndromes(err_synd_reg0,
+							err_synd_reg1);
+
 			dev_info->data[i].err_synd_reg0 = err_synd_reg0;
 			dev_info->data[i].err_synd_reg1 = err_synd_reg1;
 			dev_info->data[i].idx = i;
@@ -313,6 +343,9 @@ static irqreturn_t ccn_irq_handler(int irq, void *device)
 			dev_info->data_xp[i].err_synd_reg0 = err_synd_reg0;
 			dev_info->data_xp[i].err_synd_reg1 = 0;
 
+			trace_edacl3_syndromes(err_synd_reg0,
+						err_synd_reg1);
+
 			clear_node_error(ccn_base + CCN_XP_NODE_BASE_ADDR(i) +
 				CCN_NODE_ERR_SYND_CLR);
 		}
@@ -335,7 +368,7 @@ static void intel_l3_error_check(struct edac_device_ctl_info *edac_dev)
 	union dickens_hnf_err_syndrome_reg0 err_syndrome_reg0;
 	union dickens_hnf_err_syndrome_clr err_syndrome_clr;
 	unsigned int count = 0;
-	int i, instance;
+	int instance;
 	struct intel_edac_dev_info *dev_info;
 
 	err_syndrome_clr.value = 0x0;
@@ -351,6 +384,9 @@ static void intel_l3_error_check(struct edac_device_ctl_info *edac_dev)
 
 		err_syndrome_reg0.value =
 			readq(addr + CCN_NODE_ERR_SYND_REG0);
+
+		trace_edacl3_syndromes(err_syndrome_reg0.value,
+						(u64) 0);
 		/* First error valid */
 		if (err_syndrome_reg0.reg0.first_err_vld) {
 			if (err_syndrome_reg0.reg0.err_class & 0x3) {
@@ -363,9 +399,9 @@ static void intel_l3_error_check(struct edac_device_ctl_info *edac_dev)
 				machine_restart(NULL);
 			}
 			count = err_syndrome_reg0.reg0.err_count;
-			for (i = 0; i < count; i++)
-				edac_device_handle_ce(edac_dev, 0,
-					instance, edac_dev->ctl_name);
+			if (count)
+				edac_device_handle_multi_ce(edac_dev, 0,
+					instance, count, edac_dev->ctl_name);
 
 			/* clear the valid bit */
 			clear_node_error(addr + CCN_NODE_ERR_SYND_CLR);
@@ -413,7 +449,7 @@ static int intel_edac_l3_probe(struct platform_device *pdev)
 	dev_info->edac_dev =
 		edac_device_alloc_ctl_info(0, dev_info->ctl_name,
 					   1, dev_info->blk_name,
-					   8, 0, NULL, 0,
+					   CCN_HNI_NODES, 0, NULL, 0,
 					   dev_info->edac_idx);
 	if (!dev_info->edac_dev) {
 		pr_info("No memory for edac device\n");
@@ -478,9 +514,21 @@ static int intel_edac_l3_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id intel_edac_l3_match[] = {
+#if defined(CONFIG_EDAC_AXXIA_L2_CPU_5600)
+
 	{
 	.compatible = "intel,ccn504-l3-cache",
 	},
+
+#endif
+
+#if defined(CONFIG_EDAC_AXXIA_L2_CPU_6700)
+
+	{
+	.compatible = "intel,ccn512-l3-cache",
+	},
+
+#endif
 	{},
 };
 
diff --git a/drivers/edac/axxia_edac-mc_56xx.c b/drivers/edac/axxia_edac-mc_56xx.c
index fb1e742..fcc53bd 100644
--- a/drivers/edac/axxia_edac-mc_56xx.c
+++ b/drivers/edac/axxia_edac-mc_56xx.c
@@ -43,7 +43,13 @@
 #define MPR_HDR18	"      dram9     dram10     dram11     dram12"\
 		"     dram13     dram14     dram15     dram16     dram17"
 
-#define INTEL_EDAC_MOD_STR	"axxia56xx_edac"
+#if defined(CONFIG_EDAC_AXXIA_SYSMEM_5600)
+#define INTEL_EDAC_MOD_STR     "axxia56xx_edac"
+#endif
+
+#if defined(CONFIG_EDAC_AXXIA_SYSMEM_6700)
+#define INTEL_EDAC_MOD_STR     "axxia67xx_edac"
+#endif
 
 #define AXI2_SER3_PHY_ADDR	0x008002c00000ULL
 #define AXI2_SER3_PHY_SIZE	PAGE_SIZE
@@ -995,7 +1001,7 @@ static void intel_sm_alerts_error_check(struct edac_device_ctl_info *edac_dev)
 	struct event_counter (*alerts)[MAX_DQ][MPR_ERRORS] =
 			dev_info->data->alerts;
 	struct sm_56xx_denali_ctl_57 denali_ctl_57;
-	int i, j, k, l;
+	int i, j, k;
 	u32 counter;
 
 start:
@@ -1052,12 +1058,12 @@ static void intel_sm_alerts_error_check(struct edac_device_ctl_info *edac_dev)
 				 * TODO - How can one determine event type?
 				 *	recoverable/unrecoverable
 				 */
-				counter = atomic_xchg(&alerts[i][j][k].counter,
-							0);
-				for (l = 0; l < counter; ++l)
-					edac_device_handle_ce(edac_dev, 0,
+				counter = atomic_xchg(
+						&alerts[i][j][k].counter, 0);
+				if (counter)
+					edac_device_handle_multi_ce(edac_dev, 0,
 						alerts[i][j][k].edac_block_idx,
-						edac_dev->ctl_name);
+						counter, edac_dev->ctl_name);
 			}
 		}
 	}
@@ -1081,7 +1087,7 @@ static void intel_sm_events_error_check(struct edac_device_ctl_info *edac_dev)
 	struct intel_edac_dev_info *dev_info =
 			(struct intel_edac_dev_info *) edac_dev->pvt_info;
 	struct event_counter *events = dev_info->data->events;
-	int i, j;
+	int i;
 	u32 counter;
 
 	while (1) {
@@ -1098,7 +1104,7 @@ static void intel_sm_events_error_check(struct edac_device_ctl_info *edac_dev)
 		mutex_lock(&dev_info->data->edac_sysfs_data_lock);
 		for (i = 0; i < NR_EVENTS; ++i) {
 			counter = atomic_xchg(&events[i].counter, 0);
-			for (j = 0; j < counter; ++j) {
+			if (counter)
 				switch (i) {
 				/*
 				 * TODO - How can one determine event type?
@@ -1108,22 +1114,23 @@ static void intel_sm_events_error_check(struct edac_device_ctl_info *edac_dev)
 				case EV_MULT_ILLEGAL:
 				case EV_UNCORR_ECC:
 				case EV_MULT_UNCORR_ECC:
-					edac_device_handle_ue(edac_dev, 0, i,
-							edac_dev->ctl_name);
+					edac_device_handle_multi_ue(edac_dev,
+						0, i, counter,
+						edac_dev->ctl_name);
 					break;
 				case EV_CORR_ECC:
 				case EV_MULT_CORR_ECC:
 				case EV_PORT_ERROR:
 				case EV_WRAP_ERROR:
 				case EV_PARITY_ERROR:
-					edac_device_handle_ce(edac_dev, 0, i,
-							edac_dev->ctl_name);
+					edac_device_handle_multi_ce(edac_dev,
+						0, i, counter,
+						edac_dev->ctl_name);
 					break;
 				default:
 					printk_ratelimited(
 						"ERROR EVENT MISSING.\n");
 				}
-			}
 		}
 		mutex_unlock(&dev_info->data->edac_sysfs_data_lock);
 	}
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h
index 4861542..e2d64e1 100644
--- a/drivers/edac/edac_core.h
+++ b/drivers/edac/edac_core.h
@@ -481,8 +481,15 @@ extern int edac_device_add_device(struct edac_device_ctl_info *edac_dev);
 extern struct edac_device_ctl_info *edac_device_del_device(struct device *dev);
 extern void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
 				int inst_nr, int block_nr, const char *msg);
+extern void edac_device_handle_multi_ue(struct edac_device_ctl_info *edac_dev,
+				int inst_nr, int block_nr, int events,
+				const char *msg);
 extern void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
 				int inst_nr, int block_nr, const char *msg);
+extern void edac_device_handle_multi_ce(struct edac_device_ctl_info *edac_dev,
+				int inst_nr, int block_nr, int events,
+				const char *msg);
+
 extern int edac_device_alloc_index(void);
 extern const char *edac_layer_name[];
 
diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
index a979003..0f735ce 100644
--- a/drivers/edac/edac_device.c
+++ b/drivers/edac/edac_device.c
@@ -25,7 +25,7 @@
 #include <linux/list.h>
 #include <linux/ctype.h>
 #include <linux/workqueue.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/page.h>
 
 #include "edac_core.h"
@@ -154,7 +154,7 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
 	dev_ctl->log_ue = 1;
 
 	/* Name of this edac device */
-	snprintf(dev_ctl->name,sizeof(dev_ctl->name),"%s",edac_device_name);
+	snprintf(dev_ctl->name, sizeof(dev_ctl->name), "%s", edac_device_name);
 
 	edac_dbg(4, "edac_dev=%p next after end=%p\n",
 		 dev_ctl, pvt + sz_private);
@@ -655,6 +655,50 @@ void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
 EXPORT_SYMBOL_GPL(edac_device_handle_ce);
 
 /*
+ * edac_device_handle_multi_ce
+ *	perform a common output and handling of an 'edac_dev' CE multiple events
+ */
+void edac_device_handle_multi_ce(struct edac_device_ctl_info *edac_dev,
+			int inst_nr, int block_nr, int events, const char *msg)
+{
+	struct edac_device_instance *instance;
+	struct edac_device_block *block = NULL;
+
+	if ((inst_nr >= edac_dev->nr_instances) || (inst_nr < 0)) {
+		edac_device_printk(edac_dev, KERN_ERR,
+				"INTERNAL ERROR: 'instance' out of range (%d >= %d)\n",
+				inst_nr, edac_dev->nr_instances);
+		return;
+	}
+
+	instance = edac_dev->instances + inst_nr;
+
+	if ((block_nr >= instance->nr_blocks) || (block_nr < 0)) {
+		edac_device_printk(edac_dev, KERN_ERR,
+				"INTERNAL ERROR: instance %d 'block' out of range (%d >= %d)\n",
+				inst_nr, block_nr,
+				instance->nr_blocks);
+		return;
+	}
+
+	if (instance->nr_blocks > 0) {
+		block = instance->blocks + block_nr;
+		block->counters.ce_count += events;
+	}
+
+	/* Propagate the count up the 'totals' tree */
+	instance->counters.ce_count += events;
+	edac_dev->counters.ce_count += events;
+
+	if (edac_device_get_log_ce(edac_dev))
+		edac_device_printk(edac_dev, KERN_WARNING,
+			"CE: %s instance: %s block: %s events: %d '%s'\n",
+			edac_dev->ctl_name, instance->name,
+			block ? block->name : "N/A", events, msg);
+}
+EXPORT_SYMBOL_GPL(edac_device_handle_multi_ce);
+
+/*
  * edac_device_handle_ue
  *	perform a common output and handling of an 'edac_dev' UE event
  */
@@ -704,3 +748,52 @@ void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
 			block ? block->name : "N/A", msg);
 }
 EXPORT_SYMBOL_GPL(edac_device_handle_ue);
+
+/*
+ * edac_device_handle_multi_ue
+ *	perform a common output and handling of an 'edac_dev' UE event
+ */
+void edac_device_handle_multi_ue(struct edac_device_ctl_info *edac_dev,
+			int inst_nr, int block_nr, int events, const char *msg)
+{
+	struct edac_device_instance *instance;
+	struct edac_device_block *block = NULL;
+
+	if ((inst_nr >= edac_dev->nr_instances) || (inst_nr < 0)) {
+		edac_device_printk(edac_dev, KERN_ERR,
+				"INTERNAL ERROR: 'instance' out of range (%d >= %d)\n",
+				inst_nr, edac_dev->nr_instances);
+		return;
+	}
+
+	instance = edac_dev->instances + inst_nr;
+
+	if ((block_nr >= instance->nr_blocks) || (block_nr < 0)) {
+		edac_device_printk(edac_dev, KERN_ERR,
+				"INTERNAL ERROR: instance %d 'block' out of range (%d >= %d)\n",
+				inst_nr, block_nr,
+				instance->nr_blocks);
+		return;
+	}
+
+	if (instance->nr_blocks > 0) {
+		block = instance->blocks + block_nr;
+		block->counters.ue_count += events;
+	}
+
+	/* Propagate the count up the 'totals' tree */
+	instance->counters.ue_count += events;
+	edac_dev->counters.ue_count += events;
+
+	if (edac_device_get_log_ue(edac_dev))
+		edac_device_printk(edac_dev, KERN_EMERG,
+			"UE: %s instance: %s block: %s events: %d '%s'\n",
+			edac_dev->ctl_name, instance->name,
+			block ? block->name : "N/A", events, msg);
+
+	if (edac_device_get_panic_on_ue(edac_dev))
+		panic("EDAC %s: UE instance: %s block %s events: %d '%s'\n",
+			edac_dev->ctl_name, instance->name,
+			block ? block->name : "N/A", events, msg);
+}
+EXPORT_SYMBOL_GPL(edac_device_handle_multi_ue);
diff --git a/drivers/misc/lsi-ncr.c b/drivers/misc/lsi-ncr.c
index d918ccb..a5fd0f3 100644
--- a/drivers/misc/lsi-ncr.c
+++ b/drivers/misc/lsi-ncr.c
@@ -172,8 +172,8 @@ ncr_register_write(const unsigned int value, unsigned int *address)
 
 	if (0 == nca_big_endian)
 		__raw_writel(value, address);
-
-	__raw_writel(cpu_to_be32(value), address);
+	else
+		__raw_writel(cpu_to_be32(value), address);
 }
 
 /*
diff --git a/include/trace/events/edac.h b/include/trace/events/edac.h
new file mode 100644
index 0000000..29da0d1
--- /dev/null
+++ b/include/trace/events/edac.h
@@ -0,0 +1,77 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM edac
+
+#if !defined(_TRACE_EDAC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EDAC_H
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+
+TRACE_EVENT(edac_l2cache_syndrome,
+	TP_PROTO(u64 syndrome),
+
+	TP_ARGS(syndrome),
+
+	TP_STRUCT__entry(
+		__field(u64, syndrome)
+	),
+
+	TP_fast_assign(
+		__entry->syndrome = syndrome;
+	),
+
+	TP_printk("L2MERRSR_EL1=0x%016llx", (u64) __entry->syndrome)
+);
+
+TRACE_EVENT(edac_l2cache_counter,
+	TP_PROTO(int counter),
+
+	TP_ARGS(counter),
+
+	TP_STRUCT__entry(
+		__field(int, counter)
+	),
+
+	TP_fast_assign(
+		__entry->counter = counter;
+	),
+
+	TP_printk("l2 counter =%d",  __entry->counter)
+);
+
+TRACE_EVENT(edac_l1cache_syndrome,
+	TP_PROTO(u64 syndrome),
+
+	TP_ARGS(syndrome),
+
+	TP_STRUCT__entry(
+		__field(u64, syndrome)
+	),
+
+	TP_fast_assign(
+		__entry->syndrome = syndrome;
+	),
+
+	TP_printk("CPUMERRSR_EL1=0x%016llx", (u64) __entry->syndrome)
+);
+
+TRACE_EVENT(edac_l1cache_counter,
+	TP_PROTO(int counter),
+
+	TP_ARGS(counter),
+
+	TP_STRUCT__entry(
+		__field(int, counter)
+	),
+
+	TP_fast_assign(
+		__entry->counter = counter;
+	),
+
+	TP_printk("l1 counter =%d",  __entry->counter)
+);
+#endif /* _TRACE_EDAC_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/edacl3.h b/include/trace/events/edacl3.h
new file mode 100644
index 0000000..5b63278
--- /dev/null
+++ b/include/trace/events/edacl3.h
@@ -0,0 +1,109 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM edacl3
+
+#if !defined(_TRACE_EDACL3_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EDACL3_H
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+
+TRACE_EVENT(edacl3_error_types,
+	TP_PROTO(u64 error_31_0, u64 error_63_32,
+		u64 error_95_64, u64 error_159_128),
+
+	TP_ARGS(error_31_0, error_63_32, error_95_64, error_159_128),
+
+	TP_STRUCT__entry(
+		__field(u64, error_31_0)
+		__field(u64, error_63_32)
+		__field(u64, error_95_64)
+		__field(u64, error_159_128)
+	),
+
+	TP_fast_assign(
+		__entry->error_31_0 = error_31_0;
+		__entry->error_63_32 = error_63_32;
+		__entry->error_95_64 = error_95_64;
+		__entry->error_159_128 = error_159_128;
+	),
+
+	TP_printk("Err types(0-3):(0x%016llx, 0x%016llx, 0x%016llx, 0x%016llx)",
+		(u64) __entry->error_31_0, (u64) __entry->error_63_32,
+		(u64) __entry->error_95_64, (u64) __entry->error_159_128
+	)
+);
+
+TRACE_EVENT(edacl3_sig_vals,
+	TP_PROTO(u64 sig_val_63_0, u64 sig_val_127_64, u64 sig_val_191_128),
+
+	TP_ARGS(sig_val_63_0, sig_val_127_64, sig_val_191_128),
+
+	TP_STRUCT__entry(
+		__field(u64, sig_val_63_0)
+		__field(u64, sig_val_127_64)
+		__field(u64, sig_val_191_128)
+	),
+
+	TP_fast_assign(
+		__entry->sig_val_63_0 = sig_val_63_0;
+		__entry->sig_val_127_64 = sig_val_127_64;
+		__entry->sig_val_191_128 = sig_val_191_128;
+	),
+
+	TP_printk("Sig_val_regs(0-3):(0x%016llx, 0x%016llx, 0x%016llx)",
+		(u64) __entry->sig_val_63_0, (u64) __entry->sig_val_127_64,
+		(u64) __entry->sig_val_191_128
+	)
+);
+
+TRACE_EVENT(edacl3_syndromes,
+	TP_PROTO(u64 syndrome0, u64 syndrome1),
+
+	TP_ARGS(syndrome0, syndrome1),
+
+	TP_STRUCT__entry(
+		__field(u64, syndrome0)
+		__field(u64, syndrome1)
+	),
+
+	TP_fast_assign(
+		__entry->syndrome0 = syndrome0;
+		__entry->syndrome1 = syndrome1;
+	),
+
+	TP_printk("Syndromes(0-1):(0x%016llx, 0x%016llx)",
+		(u64) __entry->syndrome0, (u64) __entry->syndrome1
+	)
+);
+
+
+TRACE_EVENT(edacl3_smc_results,
+	TP_PROTO(struct arm_smccc_res *ptr),
+
+	TP_ARGS(ptr),
+
+	TP_STRUCT__entry(
+		__field(u64, a0)
+		__field(u64, a1)
+		__field(u64, a2)
+		__field(u64, a3)
+	),
+
+	TP_fast_assign(
+		__entry->a0 = ptr->a0;
+		__entry->a1 = ptr->a1;
+		__entry->a2 = ptr->a2;
+		__entry->a3 = ptr->a3;
+	),
+
+	TP_printk("Smc(a0-a3):(0x%llx, 0x%llx, 0x%llx, 0x%llx)",
+		(u64) __entry->a0, (u64) __entry->a1,
+		(u64) __entry->a2, (u64) __entry->a3
+	)
+);
+
+#endif /* _TRACE_EDACL3_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
-- 
2.7.4



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