From: Devang Vyas <devangnayanbhai.vyas@amd.com>
Date: Tue, 17 Mar 2026 18:34:53 +0000 (+0530)
Subject: EDAC/amd64: Add support for family 19h, models 40h-4fh
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fbe230a9a79b62be3c6ac55b24d53ce5dd9202d5;p=thirdparty%2Flinux.git

EDAC/amd64: Add support for family 19h, models 40h-4fh

Add support for Ryzen 6000 Zen3-based CPUs in the V3000 AMD Embedded SoC
platform which uses ECC memory and would need RAS handling of hardware errors.

Co-developed-by: Ramesh Garidapuri <ramesh.garidapuri@amd.com>
Signed-off-by: Ramesh Garidapuri <ramesh.garidapuri@amd.com>
Signed-off-by: Devang Vyas <devangnayanbhai.vyas@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Link: https://patch.msgid.link/20260317183453.3556588-1-devangnayanbhai.vyas@amd.com
---

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8908ab881c855..c6aa69dbd9fb1 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -3863,6 +3863,9 @@ static int per_family_init(struct amd64_pvt *pvt)
 				pvt->max_mcs		= 8;
 			}
 			break;
+		case 0x40 ... 0x4f:
+			pvt->max_mcs			= 4;
+			break;
 		case 0x60 ... 0x6f:
 			pvt->flags.zn_regs_v2		= 1;
 			break;