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Date: Sat, 19 Nov 2022 22:30:30 +1100
From: Ash Logan <ash@...quark.com>
To: krzysztof.kozlowski+dt@...aro.org, paulus@...ba.org,
mpe@...erman.id.au, christophe.leroy@...roup.eu,
robh+dt@...nel.org, benh@...nel.crashing.org,
segher@...nel.crashing.org, pali@...nel.org
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
j.ne@...teo.net, linkmauve@...kmauve.fr,
rw-r-r-0644@...tonmail.com, devicetree@...r.kernel.org,
joel@....id.au
Subject: [PATCH v4 00/11] powerpc: Nintendo Wii U support
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
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 v3:
- Reworked devicetree bindings - thanks Krzysztof Kozlowski for the review.
- Update devicetree source to match.
- Fixes to ensure patches apply to current source.
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 (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: espresso processor support
powerpc: wiiu: platform support
powerpc: wiiu: add minimal default config
.../bindings/powerpc/nintendo/wiiu.yaml | 25 ++
.../powerpc/nintendo/wiiu/espresso-pic.yaml | 48 +++
.../bindings/powerpc/nintendo/wiiu/gpu7.yaml | 42 +++
.../powerpc/nintendo/wiiu/latte-ahci.yaml | 50 +++
.../powerpc/nintendo/wiiu/latte-dsp.yaml | 35 ++
.../powerpc/nintendo/wiiu/latte-pic.yaml | 55 +++
.../powerpc/nintendo/wiiu/latte-sdhci.yaml | 46 +++
.../bindings/powerpc/nintendo/wiiu/latte.yaml | 31 ++
.../devicetree/bindings/usb/generic-ehci.yaml | 1 +
arch/powerpc/Kconfig.debug | 9 +
arch/powerpc/boot/Makefile | 4 +
arch/powerpc/boot/dts/wiiu.dts | 319 ++++++++++++++++++
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/cpu_specs_book3s_32.h | 15 +
arch/powerpc/kernel/head_book3s_32.S | 20 ++
arch/powerpc/kernel/udbg.c | 3 +
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 | 126 +++++++
arch/powerpc/platforms/wiiu/udbg_latteipc.h | 27 ++
32 files changed, 1657 insertions(+), 1 deletion(-)
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: 094226ad94f471a9f19e8f8e7140a09c2625abaa
--
2.38.1
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