[PATCH v3 00/12] powerpc: Nintendo Wii U support

[Christophe Leroy]

Hi,

Your series doesn't apply anymore, can you rebase ?

Thanks
Christophe

Le 28/06/2022 à 15:31, Ash Logan a écrit :
> The following patches add basic support for the Nintendo Wii U video
> game console, a PowerPC system somewhat similar to the GameCube and
> Wii.
> 
> This includes:
> - devicetree source
> - bootwrapper support
> - udbg console to bootloader
> - early udbg console
> - interrupt controllers
> - platform support
> - recognition of the Espresso processor
> - workaround for the discontiguous RAM blocks
> 
> This is enough to boot on hardware. dmesg pics (with a small hack to
> udbg-immortal, not included):
> Link: https://wiki.linux-wiiu.org/images/7/7e/Mainline-initial-dmesg1.png
> Link: https://wiki.linux-wiiu.org/images/9/91/Mainline-initial-dmesg2.png
> 
> For those who have hardware and would like to try these patches, some
> modification is required to the stock OS to allow Linux. For info:
> https://wiki.linux-wiiu.org/wiki/AdvancedSetup
> 
> Some of the design choices (new platform > embedded6xx) were discussed
> previously:
> Link: https://lore.kernel.org/lkml/0020d47c-0e23-822c-33f5-ccb7ea4c1072@heyquark.com/T/
> 
> Turns out even less changes were needed than previously anticipated for
> discontiguous memory, and KUAP is yet to give trouble. Thanks to those
> who helped and discussed this.
> 
> Changes since v2:
>   - Fixed some overzealous deleting in the devicetree, oops.
>   - Fixed missing declarations for some functions (thanks robots)
>   - Fixed some checkpatch warnings.
>   - Mark latte as a simple-bus and use of_platform_default_populate.
> Changes since v1:
>   - Style and formatting tweaks to the devicetree, thanks Rob Herring for
>     the review.
> 
> Ash Logan (12):
>    dt-bindings: wiiu: Document the Nintendo Wii U devicetree
>    powerpc: wiiu: device tree
>    powerpc: wiiu: bootwrapper support
>    powerpc: wiiu: introduce wiiu platform
>    powerpc: wiiu: declare as non-coherent
>    powerpc: wiiu: udbg support for latteipc
>    powerpc: wiiu: espresso interrupt controller support
>    powerpc: wiiu: latte interrupt controller support
>    powerpc: espresso processor support
>    powerpc: wiiu: platform support
>    powerpc: wiiu: don't enforce flat memory
>    powerpc: wiiu: add minimal default config
> 
>   .../bindings/powerpc/nintendo/wiiu.yaml       |  28 ++
>   .../powerpc/nintendo/wiiu/espresso-pic.yaml   |  42 +++
>   .../bindings/powerpc/nintendo/wiiu/gpu7.yaml  |  41 +++
>   .../powerpc/nintendo/wiiu/latte-ahci.yaml     |  43 +++
>   .../powerpc/nintendo/wiiu/latte-dsp.yaml      |  35 ++
>   .../powerpc/nintendo/wiiu/latte-pic.yaml      |  46 +++
>   .../powerpc/nintendo/wiiu/latte-sdhci.yaml    |  40 +++
>   .../bindings/powerpc/nintendo/wiiu/latte.yaml |  25 ++
>   arch/powerpc/Kconfig.debug                    |   9 +
>   arch/powerpc/boot/Makefile                    |   4 +
>   arch/powerpc/boot/dts/wiiu.dts                | 326 ++++++++++++++++++
>   arch/powerpc/boot/wiiu-head.S                 | 103 ++++++
>   arch/powerpc/boot/wiiu.c                      |  73 ++++
>   arch/powerpc/boot/wrapper                     |   4 +
>   arch/powerpc/configs/wiiu_defconfig           |   7 +
>   arch/powerpc/include/asm/udbg.h               |   1 +
>   arch/powerpc/kernel/cputable.c                |  16 +
>   arch/powerpc/kernel/head_book3s_32.S          |  20 ++
>   arch/powerpc/kernel/udbg.c                    |   3 +
>   arch/powerpc/mm/init_32.c                     |   4 +-
>   arch/powerpc/platforms/Kconfig                |   1 +
>   arch/powerpc/platforms/Kconfig.cputype        |   2 +-
>   arch/powerpc/platforms/Makefile               |   1 +
>   arch/powerpc/platforms/wiiu/Kconfig           |  22 ++
>   arch/powerpc/platforms/wiiu/Makefile          |   4 +
>   arch/powerpc/platforms/wiiu/espresso-pic.c    | 183 ++++++++++
>   arch/powerpc/platforms/wiiu/espresso-pic.h    |  59 ++++
>   arch/powerpc/platforms/wiiu/latte-pic.c       | 259 ++++++++++++++
>   arch/powerpc/platforms/wiiu/latte-pic.h       |  23 ++
>   arch/powerpc/platforms/wiiu/setup.c           |  60 ++++
>   arch/powerpc/platforms/wiiu/udbg_latteipc.c   | 124 +++++++
>   arch/powerpc/platforms/wiiu/udbg_latteipc.h   |  27 ++
>   32 files changed, 1632 insertions(+), 3 deletions(-)
>   create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu.yaml
>   create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/espresso-pic.yaml
>   create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/gpu7.yaml
>   create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-ahci.yaml
>   create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-dsp.yaml
>   create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-pic.yaml
>   create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte-sdhci.yaml
>   create mode 100644 Documentation/devicetree/bindings/powerpc/nintendo/wiiu/latte.yaml
>   create mode 100644 arch/powerpc/boot/dts/wiiu.dts
>   create mode 100644 arch/powerpc/boot/wiiu-head.S
>   create mode 100644 arch/powerpc/boot/wiiu.c
>   create mode 100644 arch/powerpc/configs/wiiu_defconfig
>   create mode 100644 arch/powerpc/platforms/wiiu/Kconfig
>   create mode 100644 arch/powerpc/platforms/wiiu/Makefile
>   create mode 100644 arch/powerpc/platforms/wiiu/espresso-pic.c
>   create mode 100644 arch/powerpc/platforms/wiiu/espresso-pic.h
>   create mode 100644 arch/powerpc/platforms/wiiu/latte-pic.c
>   create mode 100644 arch/powerpc/platforms/wiiu/latte-pic.h
>   create mode 100644 arch/powerpc/platforms/wiiu/setup.c
>   create mode 100644 arch/powerpc/platforms/wiiu/udbg_latteipc.c
>   create mode 100644 arch/powerpc/platforms/wiiu/udbg_latteipc.h
> 
> 
> base-commit: 03c765b0e3b4cb5063276b086c76f7a612856a9a