[PATCH v11 3/3] EDAC: nuvoton: Add NPCM memory controller driver

From: medadyoung
Date: Fri May 27 2022 - 02:12:28 EST


From: Medad CChien <ctcchien@xxxxxxxxxxx>

Add memory controller support for Nuvoton NPCM SoC.

Note:
you can force an ecc event by writing a string to edac sysfs node
and remember to define CONFIG_EDAC_DEBUG to enable this feature
example: force a correctable event on checkcode bit 0
echo "CE checkcode 0" to below path
/sys/devices/system/edac/mc/mc0/forced_ecc_error

Datasheet:
Cadence DDR Controller Register Reference Manual For DDR4 Memories
Chapter 2: Detailed Register Map

Signed-off-by: Medad CChien <ctcchien@xxxxxxxxxxx>
---
MAINTAINERS | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 7f832e6ed4e5..8919fb83f485 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2372,9 +2372,9 @@ F: arch/arm/boot/dts/nuvoton-npcm*
F: arch/arm/mach-npcm/
F: drivers/*/*npcm*
F: drivers/*/*/*npcm*
+F: drivers/edac/npcm_edac.c b/drivers/edac/npcm_edac.c
F: include/dt-bindings/clock/nuvoton,npcm7xx-clock.h

-
ARM/NUVOTON WPCM450 ARCHITECTURE
M: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>
L: openbmc@xxxxxxxxxxxxxxxx (moderated for non-subscribers)
--
2.17.1