EDAC/amd64: Add support for family 19h, models 50h-5fh

Add the new family 19h models 50h-5fh PCI IDs (device 18h functions 0
and 6) to support Ryzen 5000 APUs ("Cezanne").

Signed-off-by: Marc Bevand <m@zorinaq.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Link: https://lore.kernel.org/r/20211221233112.556927-1-m@zorinaq.com

Author: Marc Bevand

drivers/edac/amd64_edac.c

@@ -2660,6 +2660,16 @@ static struct amd64_family_type family_types[] = {
 			.dbam_to_cs		= f17_addr_mask_to_cs_size,
 		}
 	},
+	[F19_M50H_CPUS] = {
+		.ctl_name = "F19h_M50h",
+		.f0_id = PCI_DEVICE_ID_AMD_19H_M50H_DF_F0,
+		.f6_id = PCI_DEVICE_ID_AMD_19H_M50H_DF_F6,
+		.max_mcs = 2,
+		.ops = {
+			.early_channel_count	= f17_early_channel_count,
+			.dbam_to_cs		= f17_addr_mask_to_cs_size,
+		}
+	},
 };
 
 /*
@@ -3706,6 +3716,11 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt)
 			pvt->ops = &family_types[F17_M70H_CPUS].ops;
 			fam_type->ctl_name = "F19h_M20h";
 			break;
+		} else if (pvt->model >= 0x50 && pvt->model <= 0x5f) {
+			fam_type = &family_types[F19_M50H_CPUS];
+			pvt->ops = &family_types[F19_M50H_CPUS].ops;
+			fam_type->ctl_name = "F19h_M50h";
+			break;
 		} else if (pvt->model >= 0xa0 && pvt->model <= 0xaf) {
 			fam_type = &family_types[F19_M10H_CPUS];
 			pvt->ops = &family_types[F19_M10H_CPUS].ops;

drivers/edac/amd64_edac.h

@@ -128,6 +128,8 @@
 #define PCI_DEVICE_ID_AMD_19H_DF_F6	0x1656
 #define PCI_DEVICE_ID_AMD_19H_M10H_DF_F0 0x14ad
 #define PCI_DEVICE_ID_AMD_19H_M10H_DF_F6 0x14b3
+#define PCI_DEVICE_ID_AMD_19H_M50H_DF_F0 0x166a
+#define PCI_DEVICE_ID_AMD_19H_M50H_DF_F6 0x1670
 
 /*
  * Function 1 - Address Map
@@ -301,6 +303,7 @@ enum amd_families {
 	F17_M70H_CPUS,
 	F19_CPUS,
 	F19_M10H_CPUS,
+	F19_M50H_CPUS,
 	NUM_FAMILIES,
 };