From 6b4c0bdeb00f35cad2d3e0dc0d97bb4950a8f86e Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Thu, 12 Nov 2009 15:37:57 +0100 Subject: amd64_edac: detect DDR3 memory type Signed-off-by: Borislav Petkov --- drivers/edac/amd64_edac.c | 7 ++++--- 1 file 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; } -- cgit v1.1