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Re: [Qemu-ppc] [PATCH 00/13] cuda: misc fixes and cleanups
From: |
Programmingkid |
Subject: |
Re: [Qemu-ppc] [PATCH 00/13] cuda: misc fixes and cleanups |
Date: |
Wed, 27 Jan 2016 23:24:27 -0500 |
> On Wed, 27 Jan 2016, Herv? Poussineau wrote:
>> Unfortunately, Finnix doesn't try to access I2C bus, not even to initialize
>> it. I suppose it is because OpenBIOS doesn't describe the I2C bus in the
>> device tree...
>
> The kernel in Finnix seems to have a driver but unfortunately I2C
> debugging is not enabled so you probably won't get much useful info. The
> best idea in this case is probably to compile a kernel with debugging
> messages for I2C so you get some info on where it fails if it tries to
> find the bus at all.
>
> It could be that the problem is that the device tree does not correctly
> describe something. Real hardware seems to have two i2c aliases related to
> some serial ports that is believed to maybe causing problems with MacOS 9
> (see:
> http://web.archive.org/web/20090107145016/http://penguinppc.org/historical/dev-trees-html/g4_agp_400_1.html#.)
I don't think Linux does anything with OpenBIOS or the device tree. I think
Linux just probes for devices instead.
- [Qemu-ppc] [PATCH 11/13] cuda: port SET_TIME command to new framework, (continued)
Re: [Qemu-ppc] [PATCH 00/13] cuda: misc fixes and cleanups,
Programmingkid <=