From: Zong Li Date: Tue, 13 Sep 2022 06:18:11 +0000 (+0000) Subject: dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=44dce4b084f83f41922ed8c2a2c7d148254848bb;p=linux.git dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache 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 Suggested-by: Conor Dooley Suggested-by: Ben Dooks Reviewed-by: Conor Dooley Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20220913061817.22564-2-zong.li@sifive.com Signed-off-by: Palmer Dabbelt --- diff --git a/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml b/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml new file mode 100644 index 0000000000000..bf3f07421f7e5 --- /dev/null +++ b/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml @@ -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 + - Paul Walmsley + +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: + - $ref: /schemas/cache-controller.yaml# + + - if: + properties: + compatible: + contains: + enum: + - sifive,fu740-c000-ccache + - microchip,mpfs-ccache + + then: + properties: + interrupts: + description: | + Must contain entries for DirError, DataError, DataFail, DirFail signals. + minItems: 4 + + else: + properties: + interrupts: + description: | + Must contain entries for DirError, DataError and DataFail signals. + maxItems: 3 + + - if: + properties: + compatible: + contains: + const: sifive,fu740-c000-ccache + + then: + properties: + cache-sets: + const: 2048 + + else: + properties: + cache-sets: + const: 1024 + + - if: + properties: + compatible: + contains: + const: sifive,ccache0 + + then: + properties: + cache-level: + enum: [2, 3] + + else: + properties: + cache-level: + const: 2 + +additionalProperties: false + +required: + - compatible + - cache-block-size + - cache-level + - cache-sets + - cache-size + - cache-unified + - interrupts + - reg + +examples: + - | + cache-controller@2010000 { + compatible = "sifive,fu540-c000-ccache", "cache"; + cache-block-size = <64>; + cache-level = <2>; + cache-sets = <1024>; + cache-size = <2097152>; + cache-unified; + reg = <0x2010000 0x1000>; + interrupt-parent = <&plic0>; + interrupts = <1>, + <2>, + <3>; + next-level-cache = <&L25>; + memory-region = <&l2_lim>; + }; diff --git a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml b/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml deleted file mode 100644 index ca3b9be580584..0000000000000 --- a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml +++ /dev/null @@ -1,146 +0,0 @@ -# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) -# Copyright (C) 2020 SiFive, Inc. -%YAML 1.2 ---- -$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 - - Paul Walmsley - -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>; - };