Wii Hardware/USB: Difference between revisions
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The [[Wii]] features 3 USB Host Controllers: | The [[Wii]] features 3 USB Host Controllers: | ||
* 1x "EHCI" USB 2.0 controller, managing the 2 user-accessible ports on the back of the console. | * 1x "EHCI" USB 2.0 controller, managing the 2 user-accessible ports on the back of the console. | ||
* 2x "OHCI" USB 1.1 controllers, 1 managing the internal [[Wii Hardware/ | * 2x "OHCI" USB 1.1 controllers, 1 managing the internal [[Wii Hardware/Bluetooth|Broadcom 2045A]] Bluetooth chipset, and the other handling when legacy devices are plugged into the 2 back ports. | ||
[[Wii-Linux]] has had support for USB since the beginning. gc-linux added support for it in MIKEp1, the first release. Unfortunately, in more recent versions, support has gotten a bit odd. Due to changes that are as of yet unidentified, USB hubs can sometimes cause strange behavior, and sometimes the driver throws <code>-EINVAL</code> (error -22) when a device is inserted. It is as of yet unknown why these occur, but they seem to have been caused at some point between gc-linux and Techflash's 4.5 port. | [[Wii-Linux]] has had support for USB since the beginning. gc-linux added support for it in MIKEp1, the first release. Unfortunately, in more recent versions, support has gotten a bit odd. Due to changes that are as of yet unidentified, USB hubs can sometimes cause strange behavior, and sometimes the driver throws <code>-EINVAL</code> (error -22) when a device is inserted. It is as of yet unknown why these occur, but they seem to have been caused at some point between gc-linux and Techflash's 4.5 port. | ||
[[Category:Wii Hardware]] | [[Category:Wii Hardware]] | ||
Latest revision as of 19:23, 12 September 2025
The Wii features 3 USB Host Controllers:
- 1x "EHCI" USB 2.0 controller, managing the 2 user-accessible ports on the back of the console.
- 2x "OHCI" USB 1.1 controllers, 1 managing the internal Broadcom 2045A Bluetooth chipset, and the other handling when legacy devices are plugged into the 2 back ports.
Wii-Linux has had support for USB since the beginning. gc-linux added support for it in MIKEp1, the first release. Unfortunately, in more recent versions, support has gotten a bit odd. Due to changes that are as of yet unidentified, USB hubs can sometimes cause strange behavior, and sometimes the driver throws -EINVAL (error -22) when a device is inserted. It is as of yet unknown why these occur, but they seem to have been caused at some point between gc-linux and Techflash's 4.5 port.