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EDAC: Add LRDDR4 DRAM type

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AMD Fam17h systems can support Load-Reduced DDR4 DIMMs. So add this new
type to edac.h in preparation for the Fam17h EDAC update. Also, let's
fix a format issue with the LRDDR3 line while we're here.

Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Cc: Aravind Gopalakrishnan <aravindksg.lkml@gmail.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1479423463-8536-3-git-send-email-Yazen.Ghannam@amd.com
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Yazen Ghannam 2016-11-17 17:57:28 -05:00 committed by Borislav Petkov
parent 27bda205ba
commit 1e8096bb20
1 changed files with 4 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

5
include/linux/edac.h
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@ -192,10 +192,11 @@ 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_LRDDR3 Load-Reduced DDR3 memory.
* @MEM_LRDDR3: Load-Reduced DDR3 memory.
* @MEM_DDR4: Unbuffered DDR4 RAM
* @MEM_RDDR4: Registered DDR4 RAM
* This is a variant of the DDR4 memories.
* @MEM_LRDDR4: Load-Reduced DDR4 memory.
*/
enum mem_type {
MEM_EMPTY = 0,
@ -218,6 +219,7 @@ enum mem_type {
MEM_LRDDR3,
MEM_DDR4,
MEM_RDDR4,
MEM_LRDDR4,
};
#define MEM_FLAG_EMPTY BIT(MEM_EMPTY)
@ -239,6 +241,7 @@ enum mem_type {
#define MEM_FLAG_RDDR3 BIT(MEM_RDDR3)
#define MEM_FLAG_DDR4 BIT(MEM_DDR4)
#define MEM_FLAG_RDDR4 BIT(MEM_RDDR4)
#define MEM_FLAG_LRDDR4 BIT(MEM_LRDDR4)
/**
* enum edac-type - Error Detection and Correction capabilities and mode