linux-kernel - [PATCH 2/4] EDAC/amd64: Add support for AMD Family 19h Models 10h-1Fh and A0h-AFh

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Message-ID: <20211208174356.1997855-3-yazen.ghannam@amd.com>
Date:   Wed, 8 Dec 2021 17:43:54 +0000
From:   Yazen Ghannam <yazen.ghannam@....com>
To:     <linux-edac@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <bp@...en8.de>,
        <mchehab@...nel.org>, <tony.luck@...el.com>, <james.morse@....com>,
        <rric@...nel.org>, <Smita.KoralahalliChannabasappa@....com>,
        <william.roche@...cle.com>, "Yazen Ghannam" <yazen.ghannam@....com>
Subject: [PATCH 2/4] EDAC/amd64: Add support for AMD Family 19h Models 10h-1Fh and A0h-AFh

Add a new family type for AMD Family 19h Models 10h to 1Fh. Use this new
family type for Models A0h to AFh also.

Increase the maximum number of controllers from 8 to 12.

Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
---
 drivers/edac/amd64_edac.c | 21 ++++++++++++++++++++-
 drivers/edac/amd64_edac.h |  5 ++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index ca0c67bc25c6..ff29267e46a6 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2925,6 +2925,16 @@ static struct amd64_family_type family_types[] = {
 			.dbam_to_cs		= f17_addr_mask_to_cs_size,
 		}
 	},
+	[F19_M10H_CPUS] = {
+		.ctl_name = "F19h_M10h",
+		.f0_id = PCI_DEVICE_ID_AMD_19H_M10H_DF_F0,
+		.f6_id = PCI_DEVICE_ID_AMD_19H_M10H_DF_F6,
+		.max_mcs = 12,
+		.ops = {
+			.early_channel_count	= f17_early_channel_count,
+			.dbam_to_cs		= f17_addr_mask_to_cs_size,
+		}
+	},
 };
 
 /*
@@ -3962,11 +3972,20 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt)
 		break;
 
 	case 0x19:
-		if (pvt->model >= 0x20 && pvt->model <= 0x2f) {
+		if (pvt->model >= 0x10 && pvt->model <= 0x1f) {
+			fam_type = &family_types[F19_M10H_CPUS];
+			pvt->ops = &family_types[F19_M10H_CPUS].ops;
+			break;
+		} else if (pvt->model >= 0x20 && pvt->model <= 0x2f) {
 			fam_type = &family_types[F17_M70H_CPUS];
 			pvt->ops = &family_types[F17_M70H_CPUS].ops;
 			fam_type->ctl_name = "F19h_M20h";
 			break;
+		} else if (pvt->model >= 0xa0 && pvt->model <= 0xaf) {
+			fam_type = &family_types[F19_M10H_CPUS];
+			pvt->ops = &family_types[F19_M10H_CPUS].ops;
+			fam_type->ctl_name = "F19h_MA0h";
+			break;
 		}
 		fam_type	= &family_types[F19_CPUS];
 		pvt->ops	= &family_types[F19_CPUS].ops;
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 85aa820bc165..650cab401e21 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -96,7 +96,7 @@
 /* Hardware limit on ChipSelect rows per MC and processors per system */
 #define NUM_CHIPSELECTS			8
 #define DRAM_RANGES			8
-#define NUM_CONTROLLERS			8
+#define NUM_CONTROLLERS			12
 
 #define ON true
 #define OFF false
@@ -126,6 +126,8 @@
 #define PCI_DEVICE_ID_AMD_17H_M70H_DF_F6 0x1446
 #define PCI_DEVICE_ID_AMD_19H_DF_F0	0x1650
 #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
 
 /*
  * Function 1 - Address Map
@@ -298,6 +300,7 @@ enum amd_families {
 	F17_M60H_CPUS,
 	F17_M70H_CPUS,
 	F19_CPUS,
+	F19_M10H_CPUS,
 	NUM_FAMILIES,
 };
 
-- 
2.25.1