Re: merge for gt(4) and Marvell SoC

[KIYOHARA Takashi <kiyohara%kk.iij4u.or.jp@localhost>]

From: Simon Burge <simonb%NetBSD.org@localhost>
Subject: Re: merge for gt(4) and Marvell SoC 
Date: Tue, 11 Aug 2009 21:30:43 +1000

> KIYOHARA Takashi wrote:
> 
> > I put newer patch.
> > 
> >   
> > ftp://ftp.netbsd.org/pub/NetBSD/misc/kiyohara/orion_nas/marvell-20090809.diff
> >   
> > ftp://ftp.netbsd.org/pub/NetBSD/misc/kiyohara/orion_nas/marvell-20090809.tar.gz
> > 
> > mvsata(4) and mvgbe(4) were moved to dev/marvell.
> > Next, I merged mvtwsi.  Ooops, gti2c(4) will not work.  It have more bug.
> > Howver, EV64260 not use gti2c...
> > 
> > gt0 at mvsoc0 addr 0xf1000000
> 
> What is "gt0" in this context?  The existing uses of "gt" for drivers
> in NetBSD are for the Galileo Technology system controllers found in
> some MIPS and PowerPC boards (like the EV64260).  Marvell bought Galileo
> Technology which is why these appear in sys/dev/marvell.
> 
> I suspect you want a different parent bus name for the ARM-based Marvell
> SoC chips - it looks like this bus is called the Mbus, at least in the
> 88F5181.

I have the possibility of not understanding Mbus.
However, what implementing does the driver of Mbus become?  I was not
found the difference of the inclusion of this in gt.


> I also wonder if the ARM-based Marvell device support should live in a
> separate directory to the Galileo Technology-based system controllers.
> Perhaps move each to a different subdirectory under sys/dev/marvell?

I look the same the register of TWSI, IDMA, and PCI.
Then, I merged i2c(TWSI) first.

# Shall I post to teck-kern@?

Thanks,
--
kiyohara