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EDAC: Add EDAC driver for DMC520

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The driver supports error detection and correction on devices with an
ARM DMC-520 memory controller.

Signed-off-by: Lei Wang <leiwang_git@outlook.com>
Signed-off-by: Shiping Ji <shiping.linux@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lkml.kernel.org/r/83b48c70-dc06-d0d4-cae9-a2187fca628b@gmail.com
This commit is contained in:
Lei Wang
2020-01-22 16:31:14 -08:00
committed by Borislav Petkov
parent db6c122b8f
commit 1088750d78
4 changed files with 670 additions and 0 deletions
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6
MAINTAINERS
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@@ -5998,6 +5998,12 @@ F: Documentation/driver-api/edac.rst
F: drivers/edac/
F: include/linux/edac.h
EDAC-DMC520
M: Lei Wang <lewan@microsoft.com>
L: linux-edac@vger.kernel.org
S: Supported
F: drivers/edac/dmc520_edac.c
EDAC-E752X
M: Mark Gross <mark.gross@intel.com>
L: linux-edac@vger.kernel.org

7
drivers/edac/Kconfig
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@@ -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

1
drivers/edac/Makefile
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@@ -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

656
drivers/edac/dmc520_edac.c Normal file
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