linux-kernel - [PATCH v1 0/9] riscv: add initial support for SpacemiT K1

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Date: Mon, 17 Jun 2024 01:18:52 +0800
From: Yangyu Chen <cyy@...self.name>
To: linux-riscv@...ts.infradead.org
Cc: Conor Dooley <conor+dt@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Samuel Holland <samuel.holland@...ive.com>,
	Anup Patel <anup.patel@....com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Yangyu Chen <cyy@...self.name>
Subject: [PATCH v1 0/9] riscv: add initial support for SpacemiT K1

SpacemiT K1 is an ideal chip for some new extension such as RISC-V Vector
1.0 and Zicond evaluation now. Add initial support for it to allow more
people to participate in building drivers to mainline for it.

This kernel has been tested upon Banana Pi BPI-F3 board on vendor U-Boot
bootflow generated by Armbian SDK[1] and patched OpenSBI[2] to enable
Zicboz, which does not in the vendor dts on its U-Boot. Then successfully
booted to busybox on initrd with this log[3].

[1] https://github.com/BPI-SINOVOIP/armbian-build/tree/v24.04.30
[2] https://gist.github.com/cyyself/a07096e6e99c949ed13f8fa16d884402
[3] https://gist.github.com/cyyself/a2201c01f5c8955a119641f97b7d0280

Yangyu Chen (9):
  dt-bindings: vendor-prefixes: add spacemit
  dt-bindings: riscv: Add SpacemiT X60 compatibles
  dt-bindings: riscv: add SpacemiT K1 bindings
  dt-bindings: timer: Add SpacemiT K1 CLINT
  dt-bindings: interrupt-controller: Add SpacemiT K1 PLIC
  riscv: add SpacemiT SOC family Kconfig support
  riscv: dts: add initial SpacemiT K1 SoC device tree
  riscv: dts: spacemit: add Banana Pi BPI-F3 board device tree
  riscv: defconfig: enable SpacemiT SoC

 .../sifive,plic-1.0.0.yaml                    |   5 +-
 .../devicetree/bindings/riscv/cpus.yaml       |   1 +
 .../devicetree/bindings/riscv/spacemit.yaml   |  24 ++
 .../bindings/timer/sifive,clint.yaml          |   4 +-
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 arch/riscv/Kconfig.socs                       |   5 +
 arch/riscv/boot/dts/Makefile                  |   1 +
 arch/riscv/boot/dts/spacemit/Makefile         |   2 +
 arch/riscv/boot/dts/spacemit/bananapi-f3.dts  |  19 ++
 arch/riscv/boot/dts/spacemit/k1.dtsi          | 281 ++++++++++++++++++
 arch/riscv/configs/defconfig                  |   1 +
 11 files changed, 343 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/riscv/spacemit.yaml
 create mode 100644 arch/riscv/boot/dts/spacemit/Makefile
 create mode 100644 arch/riscv/boot/dts/spacemit/bananapi-f3.dts
 create mode 100644 arch/riscv/boot/dts/spacemit/k1.dtsi

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2.45.1