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amd64_edac: detect DDR3 memory type
author
Borislav Petkov
<borislav.petkov@amd.com>
Thu, 12 Nov 2009 14:37:57 +0000
(15:37 +0100)
committer
Borislav Petkov
<borislav.petkov@amd.com>
Mon, 7 Dec 2009 18:14:31 +0000
(19:14 +0100)
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
drivers/edac/amd64_edac.c
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diff --git
a/drivers/edac/amd64_edac.c
b/drivers/edac/amd64_edac.c
index
708d065
..
d9cde71
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;
}