Re: [PATCH v8 00/14] Add support for the Mobileye EyeQ5 SoC

Thomas Bogendoerfer
2024-02-20T13:48:50Z

On Fri, Feb 16, 2024 at 06:42:09PM +0100, Gregory CLEMENT wrote:
> Hello,
>
> The EyeQ5 SoC from Mobileye is based on the MIPS I6500 architecture
> and features multiple controllers such as the classic UART, I2C, SPI,
> as well as CAN-FD, PCIe, Octal/Quad SPI Flash interface, Gigabit
> Ethernet, MIPI CSI-2, and eMMC 5.1. It also includes a Hardware
> Security Module, Functional Safety Hardware, and MJPEG encoder.
>
> One peculiarity of this SoC is that the physical address of the DDDR
> exceeds 32 bits. Given that the architecture is 64 bits, this is not
> an issue, but it requires some changes in how the mips64 is currently
> managed during boot.
>
> In this eighth version, I rebased the series onto the one sent by
> Jixuan to unify register numbering macros for uasm. I also addressed
> the comments from Thomas Bogendoerfer, especially regarding the use of
> cache memory to copy the vectors.
>
> To build and test the kernel, we need to run the following commands:
>
> make eyeq5_defconfig
> make vmlinuz.itb
> [..]
> Gregory CLEMENT (12):
> MIPS: spaces: Define a couple of handy macros
> MIPS: traps: Give more explanations if ebase doesn't belong to KSEG0
> MIPS: cps-vec: Use macros for 64bits access
> dt-bindings: Add vendor prefix for Mobileye Vision Technologies Ltd.
> dt-bindings: mips: cpus: Sort the entries
> dt-bindings: mips: cpu: Add I-Class I6500 Multiprocessor Core
> dt-bindings: mips: Add bindings for Mobileye SoCs
> MIPS: mobileye: Add EyeQ5 dtsi
> MIPS: mobileye: Add EPM5 device tree
> MIPS: Share generic kernel code with other architecture
> MIPS: Add support for Mobileye EyeQ5
> MAINTAINERS: Add entry for Mobileye MIPS SoCs
>
> Jiaxun Yang (2):
> MIPS: Fix set_uncached_handler for ebase in XKPHYS
> MIPS: Allows relocation exception vectors everywhere
>
> .../devicetree/bindings/mips/cpus.yaml | 13 +-
> .../devicetree/bindings/mips/mobileye.yaml | 32 ++
> .../devicetree/bindings/vendor-prefixes.yaml | 2 +
> MAINTAINERS | 12 +
> arch/mips/Kbuild | 1 +
> arch/mips/Kbuild.platforms | 1 +
> arch/mips/Kconfig | 57 ++++
> arch/mips/boot/dts/Makefile | 1 +
> arch/mips/boot/dts/mobileye/Makefile | 4 +
> arch/mips/boot/dts/mobileye/eyeq5-epm5.dts | 23 ++
> .../boot/dts/mobileye/eyeq5-fixed-clocks.dtsi | 292 ++++++++++++++++++
> arch/mips/boot/dts/mobileye/eyeq5.dtsi | 124 ++++++++
> arch/mips/configs/eyeq5_defconfig | 108 +++++++
> arch/mips/generic/Makefile | 6 +-
> arch/mips/include/asm/addrspace.h | 5 +
> arch/mips/include/asm/mach-generic/spaces.h | 4 +
> arch/mips/include/asm/mips-cm.h | 1 +
> arch/mips/include/asm/smp-cps.h | 9 +-
> arch/mips/kernel/cps-vec.S | 54 +---
> arch/mips/kernel/smp-cps.c | 141 +++++++--
> arch/mips/kernel/traps.c | 7 +-
> arch/mips/mobileye/Makefile | 1 +
> arch/mips/mobileye/Platform | 16 +
> arch/mips/mobileye/board-epm5.its.S | 24 ++
> arch/mips/mobileye/vmlinux.its.S | 32 ++
> 25 files changed, 890 insertions(+), 80 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mips/mobileye.yaml
> create mode 100644 arch/mips/boot/dts/mobileye/Makefile
> create mode 100644 arch/mips/boot/dts/mobileye/eyeq5-epm5.dts
> create mode 100644 arch/mips/boot/dts/mobileye/eyeq5-fixed-clocks.dtsi
> create mode 100644 arch/mips/boot/dts/mobileye/eyeq5.dtsi
> create mode 100644 arch/mips/configs/eyeq5_defconfig
> create mode 100644 arch/mips/mobileye/Makefile
> create mode 100644 arch/mips/mobileye/Platform
> create mode 100644 arch/mips/mobileye/board-epm5.its.S
> create mode 100644 arch/mips/mobileye/vmlinux.its.S

series applied to mips-next.

I've fixed generic|ingenic|realtek builds by adding select MACH_GENERIC_CORE
in arch/mips/Kconfig.

Thomas.

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