EDAC: Add EDAC driver for DMC520

The driver supports error detection and correction on devices with an ARM DMC-520 memory controller. Signed-off-by: Lei Wang <[email protected]> Signed-off-by: Shiping Ji <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Reviewed-by: James Morse <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
zandrey · Feb 19, 2020 · 1088750 · 1088750
1 parent db6c122
commit 1088750
Show file tree

Hide file tree

Showing 4 changed files with 670 additions and 0 deletions.
diff --git a/MAINTAINERS b/MAINTAINERS
@@ -5998,6 +5998,12 @@ F:	Documentation/driver-api/edac.rst
 F:	drivers/edac/
 F:	include/linux/edac.h
 
+EDAC-DMC520
+M:	Lei Wang <[email protected]>
+L:	[email protected]
+S:	Supported
+F:	drivers/edac/dmc520_edac.c
+
 EDAC-E752X
 M:	Mark Gross <[email protected]>
 L:	[email protected]

diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
@@ -523,4 +523,11 @@ config EDAC_BLUEFIELD
 	  Support for error detection and correction on the
 	  Mellanox BlueField SoCs.
 
+config EDAC_DMC520
+	tristate "ARM DMC-520 ECC"
+	depends on ARM64
+	help
+	  Support for error detection and correction on the
+	  SoCs with ARM DMC-520 DRAM controller.
+
 endif # EDAC
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
@@ -87,3 +87,4 @@ obj-$(CONFIG_EDAC_TI)			+= ti_edac.o
 obj-$(CONFIG_EDAC_QCOM)			+= qcom_edac.o
 obj-$(CONFIG_EDAC_ASPEED)		+= aspeed_edac.o
 obj-$(CONFIG_EDAC_BLUEFIELD)		+= bluefield_edac.o
+obj-$(CONFIG_EDAC_DMC520)		+= dmc520_edac.o