]> git.baikalelectronics.ru Git - kernel.git/commitdiff
dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache
authorZong Li <zong.li@sifive.com>
Tue, 13 Sep 2022 06:18:11 +0000 (06:18 +0000)
committerPalmer Dabbelt <palmer@rivosinc.com>
Thu, 13 Oct 2022 18:06:50 +0000 (11:06 -0700)
Since composable cache may be L3 cache if private L2 cache exists, we
should use its original name Composable cache to prevent confusion.

Signed-off-by: Zong Li <zong.li@sifive.com>
Suggested-by: Conor Dooley <conor.dooley@microchip.com>
Suggested-by: Ben Dooks <ben.dooks@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220913061817.22564-2-zong.li@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml [new file with mode: 0644]
Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml [deleted file]

diff --git a/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml b/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
new file mode 100644 (file)
index 0000000..bf3f074
--- /dev/null
@@ -0,0 +1,164 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) 2020 SiFive, Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/riscv/sifive,ccache0.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SiFive Composable Cache Controller
+
+maintainers:
+  - Sagar Kadam <sagar.kadam@sifive.com>
+  - Paul Walmsley  <paul.walmsley@sifive.com>
+
+description:
+  The SiFive Composable Cache Controller is used to provide access to fast copies
+  of memory for masters in a Core Complex. The Composable Cache Controller also
+  acts as directory-based coherency manager.
+  All the properties in ePAPR/DeviceTree specification applies for this platform.
+
+select:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - sifive,ccache0
+          - sifive,fu540-c000-ccache
+          - sifive,fu740-c000-ccache
+
+  required:
+    - compatible
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - sifive,ccache0
+              - sifive,fu540-c000-ccache
+              - sifive,fu740-c000-ccache
+          - const: cache
+      - items:
+          - const: microchip,mpfs-ccache
+          - const: sifive,fu540-c000-ccache
+          - const: cache
+
+  cache-block-size:
+    const: 64
+
+  cache-level:
+    enum: [2, 3]
+
+  cache-sets:
+    enum: [1024, 2048]
+
+  cache-size:
+    const: 2097152
+
+  cache-unified: true
+
+  interrupts:
+    minItems: 3
+    items:
+      - description: DirError interrupt
+      - description: DataError interrupt
+      - description: DataFail interrupt
+      - description: DirFail interrupt
+
+  reg:
+    maxItems: 1
+
+  next-level-cache: true
+
+  memory-region:
+    maxItems: 1
+    description: |
+      The reference to the reserved-memory for the L2 Loosely Integrated Memory region.
+      The reserved memory node should be defined as per the bindings in reserved-memory.txt.
+
+allOf:
+  - $ref: /schemas/cache-controller.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - sifive,fu740-c000-ccache
+              - microchip,mpfs-ccache
+
+    then:
+      properties:
+        interrupts:
+          description: |
+            Must contain entries for DirError, DataError, DataFail, DirFail signals.
+          minItems: 4
+
+    else:
+      properties:
+        interrupts:
+          description: |
+            Must contain entries for DirError, DataError and DataFail signals.
+          maxItems: 3
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: sifive,fu740-c000-ccache
+
+    then:
+      properties:
+        cache-sets:
+          const: 2048
+
+    else:
+      properties:
+        cache-sets:
+          const: 1024
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: sifive,ccache0
+
+    then:
+      properties:
+        cache-level:
+          enum: [2, 3]
+
+    else:
+      properties:
+        cache-level:
+          const: 2
+
+additionalProperties: false
+
+required:
+  - compatible
+  - cache-block-size
+  - cache-level
+  - cache-sets
+  - cache-size
+  - cache-unified
+  - interrupts
+  - reg
+
+examples:
+  - |
+    cache-controller@2010000 {
+        compatible = "sifive,fu540-c000-ccache", "cache";
+        cache-block-size = <64>;
+        cache-level = <2>;
+        cache-sets = <1024>;
+        cache-size = <2097152>;
+        cache-unified;
+        reg = <0x2010000 0x1000>;
+        interrupt-parent = <&plic0>;
+        interrupts = <1>,
+                     <2>,
+                     <3>;
+        next-level-cache = <&L25>;
+        memory-region = <&l2_lim>;
+    };
diff --git a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml b/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
deleted file mode 100644 (file)
index ca3b9be..0000000
+++ /dev/null
@@ -1,146 +0,0 @@
-# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
-# Copyright (C) 2020 SiFive, Inc.
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/riscv/sifive-l2-cache.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: SiFive L2 Cache Controller
-
-maintainers:
-  - Sagar Kadam <sagar.kadam@sifive.com>
-  - Paul Walmsley  <paul.walmsley@sifive.com>
-
-description:
-  The SiFive Level 2 Cache Controller is used to provide access to fast copies
-  of memory for masters in a Core Complex. The Level 2 Cache Controller also
-  acts as directory-based coherency manager.
-  All the properties in ePAPR/DeviceTree specification applies for this platform.
-
-select:
-  properties:
-    compatible:
-      contains:
-        enum:
-          - sifive,fu540-c000-ccache
-          - sifive,fu740-c000-ccache
-
-  required:
-    - compatible
-
-properties:
-  compatible:
-    oneOf:
-      - items:
-          - enum:
-              - sifive,fu540-c000-ccache
-              - sifive,fu740-c000-ccache
-          - const: cache
-      - items:
-          - const: microchip,mpfs-ccache
-          - const: sifive,fu540-c000-ccache
-          - const: cache
-
-  cache-block-size:
-    const: 64
-
-  cache-level:
-    const: 2
-
-  cache-sets:
-    enum: [1024, 2048]
-
-  cache-size:
-    const: 2097152
-
-  cache-unified: true
-
-  interrupts:
-    minItems: 3
-    items:
-      - description: DirError interrupt
-      - description: DataError interrupt
-      - description: DataFail interrupt
-      - description: DirFail interrupt
-
-  reg:
-    maxItems: 1
-
-  next-level-cache: true
-
-  memory-region:
-    maxItems: 1
-    description: |
-      The reference to the reserved-memory for the L2 Loosely Integrated Memory region.
-      The reserved memory node should be defined as per the bindings in reserved-memory.txt.
-
-allOf:
-  - $ref: /schemas/cache-controller.yaml#
-
-  - if:
-      properties:
-        compatible:
-          contains:
-            enum:
-              - sifive,fu740-c000-ccache
-              - microchip,mpfs-ccache
-
-    then:
-      properties:
-        interrupts:
-          description: |
-            Must contain entries for DirError, DataError, DataFail, DirFail signals.
-          minItems: 4
-
-    else:
-      properties:
-        interrupts:
-          description: |
-            Must contain entries for DirError, DataError and DataFail signals.
-          maxItems: 3
-
-  - if:
-      properties:
-        compatible:
-          contains:
-            const: sifive,fu740-c000-ccache
-
-    then:
-      properties:
-        cache-sets:
-          const: 2048
-
-    else:
-      properties:
-        cache-sets:
-          const: 1024
-
-additionalProperties: false
-
-required:
-  - compatible
-  - cache-block-size
-  - cache-level
-  - cache-sets
-  - cache-size
-  - cache-unified
-  - interrupts
-  - reg
-
-examples:
-  - |
-    cache-controller@2010000 {
-        compatible = "sifive,fu540-c000-ccache", "cache";
-        cache-block-size = <64>;
-        cache-level = <2>;
-        cache-sets = <1024>;
-        cache-size = <2097152>;
-        cache-unified;
-        reg = <0x2010000 0x1000>;
-        interrupt-parent = <&plic0>;
-        interrupts = <1>,
-                     <2>,
-                     <3>;
-        next-level-cache = <&L25>;
-        memory-region = <&l2_lim>;
-    };