[PATCH 17/21] amd64_edac: detect DDR3 memory type

From: Borislav Petkov
Date: Mon Nov 16 2009 - 09:18:44 EST


Signed-off-by: Borislav Petkov <borislav.petkov@xxxxxxx>
---
drivers/edac/amd64_edac.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 708d065..d9cde71 100644
--- 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;
}

--
1.6.4.3


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