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

    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.

    Ash Logan (11):
    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: wiiu: platform support
    powerpc: wiiu: don't enforce flat memory
    powerpc: wiiu: Add minimal default config

    Roberto Van Eeden (1):
    powerpc: espresso processor support

    .../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 | 327 ++++++++++++++++++
    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 | 19 +
    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 | 67 ++++
    arch/powerpc/platforms/wiiu/udbg_latteipc.c | 122 +++++++
    arch/powerpc/platforms/wiiu/udbg_latteipc.h | 27 ++
    32 files changed, 1635 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: df0cc57e057f18e44dac8e6c18aba47ab53202f9
    --
    2.35.1

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