amd64_edac: detect DDR3 memory type

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 708d065efc959933c852a267500066b34f38c1ba..d9cde7132e89fe98802259de76352c02dc8957bb 100644 (file)
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1017,10 +1017,11 @@ static enum mem_type amd64_determine_memory_type(struct amd64_pvt *pvt)
        enum mem_type type;
 
        if (boot_cpu_data.x86 >= 0x10 || pvt->ext_model >= K8_REV_F) {
-               /* Rev F and later */
-               type = (pvt->dclr0 & BIT(16)) ? MEM_DDR2 : MEM_RDDR2;
+               if (pvt->dchr0 & DDR3_MODE)
+                       type = (pvt->dclr0 & BIT(16)) ? MEM_DDR3 : MEM_RDDR3;
+               else
+                       type = (pvt->dclr0 & BIT(16)) ? MEM_DDR2 : MEM_RDDR2;
        } else {
-               /* Rev E and earlier */
                type = (pvt->dclr0 & BIT(18)) ? MEM_DDR : MEM_RDDR;
        }