Commit 6b4c0bde authored by Borislav Petkov's avatar Borislav Petkov
Browse files

amd64_edac: detect DDR3 memory type 



Signed-off-by: default avatarBorislav Petkov <borislav.petkov@amd.com>
parent 239642fe

drivers/edac/amd64_edac.c

+4 −3
Original line number Diff line number Diff line
@@ -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 */

		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;

	}