arm64: Add support for Airoha EN7581 Soc

Introduce basic support for Airoha EN7581 Soc and EN7581 Evaluation Board.

Changes since v3:
- remove unnecessary entries in Kconfig ARCH_AIROHA section
- cosmetics

Changes since v2:
- fix cpu-map definition
- add more cache info
- add missing soc node
- remove unnecessary definitions

Changes since v1:
- add missing en7581 entry in airoha binding
- fix checkpatch errors

Daniel Danzberger (3):
arm64: dts: Add Airoha EN7581 SoC and EN7581 Evaluation Board
arm64: add Airoha EN7581 platform
arm64: defconfig: enable Airoha platform

Lorenzo Bianconi (1):
dt-bindings: arm64: dts: airoha: Add en7581 entry

 .../devicetree/bindings/arm/airoha.yaml       |   4 +
 arch/arm64/Kconfig.platforms                  |   7 +
 arch/arm64/boot/dts/Makefile                  |   1 +
 arch/arm64/boot/dts/airoha/Makefile           |   2 +
 arch/arm64/boot/dts/airoha/en7581-evb.dts     |  26 +++
 arch/arm64/boot/dts/airoha/en7581.dtsi        | 154 ++++++++++++++++++
 arch/arm64/configs/defconfig                  |   1 +
 7 files changed, 195 insertions(+)
 create mode 100644 arch/arm64/boot/dts/airoha/Makefile
 create mode 100644 arch/arm64/boot/dts/airoha/en7581-evb.dts
 create mode 100644 arch/arm64/boot/dts/airoha/en7581.dtsi

2.44.0

Introduce Airoha EN7581 entry in Airoha dts binding.

---
 Documentation/devicetree/bindings/arm/airoha.yaml | 4 ++++
 1 file changed, 4 insertions(+)

index 3292c669ee11..7c38c08dbf3f 100644
@@ -22,6 +22,10 @@ properties:
           - enum:
               - airoha,en7523-evb
           - const: airoha,en7523
+      - items:
+          - enum:
+              - airoha,en7581-evb
+          - const: airoha,en7581
 
 additionalProperties: true
 

2.44.0

From: Daniel Danzberger <[email protected]>

Introduce the Airoha EN7581 SoC's dtsi and the Airoha EN7581 Evaluation Board's dts file, as well as the required Makefiles.

---
 arch/arm64/boot/dts/Makefile              |   1 +
 arch/arm64/boot/dts/airoha/Makefile       |   2 +
 arch/arm64/boot/dts/airoha/en7581-evb.dts |  26 ++++
 arch/arm64/boot/dts/airoha/en7581.dtsi    | 154 ++++++++++++++++++++++
 4 files changed, 183 insertions(+)
 create mode 100644 arch/arm64/boot/dts/airoha/Makefile
 create mode 100644 arch/arm64/boot/dts/airoha/en7581-evb.dts
 create mode 100644 arch/arm64/boot/dts/airoha/en7581.dtsi

index 30dd6347a929..21cd3a87f385 100644
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 subdir-y += actions
+subdir-y += airoha
 subdir-y += allwinner
 subdir-y += altera
 subdir-y += amazon

new file mode 100644
index 000000000000..ebea112ce1d7
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+dtb-$(CONFIG_ARCH_AIROHA) += en7581-evb.dtb

new file mode 100644
index 000000000000..cf58e43dd5b2
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/dts-v1/;
+
+/* Bootloader installs ATF here */
+/memreserve/ 0x80000000 0x200000;
+
+#include "en7581.dtsi"
+
+/ {
+	model = "Airoha EN7581 Evaluation Board";
+	compatible = "airoha,en7581-evb", "airoha,en7581";
+
+	aliases {
+		serial0 = &uart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+		linux,usable-memory-range = <0x0 0x80200000 0x0 0x1fe00000>;
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x0 0x80000000 0x2 0x00000000>;
+	};
+};

2.44.0

From: Daniel Danzberger <[email protected]>

Introduce the Kconfig entry for the Airoha EN7581 multicore architecture available in the Airoha EN7581 evaluation board.

---
 arch/arm64/Kconfig.platforms | 7 +++++++
 1 file changed, 7 insertions(+)

index 24335565bad5..36604db205a4 100644
@@ -8,6 +8,13 @@ config ARCH_ACTIONS
 	help
 	  This enables support for the Actions Semiconductor S900 SoC family.
 
+config ARCH_AIROHA
+	bool "Airoha SoC Support"
+	select ARM_PSCI
+	select HAVE_ARM_ARCH_TIMER
+	help
+	  This enables support for the ARM64 based Airoha SoCs.
+
 config ARCH_SUNXI
 	bool "Allwinner sunxi 64-bit SoC Family"
 	select ARCH_HAS_RESET_CONTROLLER

2.44.0

From: Daniel Danzberger <[email protected]>

Enables the ARCH_AIROHA config by default.

---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

index e6cf3e5d63c3..aa44791a47e6 100644
@@ -34,6 +34,7 @@ CONFIG_KEXEC=y
 CONFIG_KEXEC_FILE=y
 CONFIG_CRASH_DUMP=y
 CONFIG_ARCH_ACTIONS=y
+CONFIG_ARCH_AIROHA=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_ARCH_ALPINE=y
 CONFIG_ARCH_APPLE=y

2.44.0

Applied to v6.9-next/dts64, thanks!

[1/4] dt-bindings: arm64: dts: airoha: Add en7581 entry

      commit: 82aefd8f1f1e73f95523a8eebf3d52719a946120
[2/4] arm64: dts: Add Airoha EN7581 SoC and EN7581 Evaluation Board
      commit: a8ffe7cfce40c20a2508c474e49bfd9f29d0e253
[3/4] arm64: add Airoha EN7581 platform
      commit: 91ed3fc5e3a3b33ce73374715f3be97367caf402
[4/4] arm64: defconfig: enable Airoha platform
      commit: e9340b4423db78a31ed156a92af9eb2fd7df9456

Cheers,
Angelo