EDAC: Add LRDDR4 DRAM type
authorYazen Ghannam <Yazen.Ghannam@amd.com>
Thu, 17 Nov 2016 22:57:28 +0000 (17:57 -0500)
committerBorislav Petkov <bp@suse.de>
Mon, 21 Nov 2016 08:31:59 +0000 (09:31 +0100)
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>
include/linux/edac.h

index 9e0d78966552c102011ca84fb8e84a9f158dbf80..bf2bf87bb2f90a93975a932803d15668f31f40ce 100644 (file)
@@ -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