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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 0/3] MIPS: loongson-ls1b: switch to device tree probe
Date: Thu, 10 Apr 2014 08:21:01 +0200	[thread overview]
Message-ID: <20140410062101.GM27055@pengutronix.de> (raw)
In-Reply-To: <20140408111350.055b6103bc9bcde789d0ef27@gmail.com>

On Tue, Apr 08, 2014 at 11:13:50AM +0400, Antony Pavlov wrote:
> On Tue, 8 Apr 2014 08:06:19 +0200
> Sascha Hauer <s.hauer@pengutronix.de> wrote:
> 
> > On Mon, Apr 07, 2014 at 11:38:46AM +0400, Antony Pavlov wrote:
> > > New boards should probe from devicetree and
> > > not use the platform registration code.
> > > 
> > > This patchseries adds device tree stuff for
> > > Longson LS1B SoC and Loongson Tech LS1B Demo Board.
> > > 
> > > Antony Pavlov (3):
> > >   MIPS: add Longson LS1B SoC dtsi file
> > >   MIPS: add Loongson Tech LS1B Demo Board dts file
> > >   MIPS: loongson-ls1b: switch to device tree
> > 
> > Applied, thanks.
> > 
> > BTW what's the status of mips devicetree support in Linux Mainline? I
> > sometimes have a look at arch/mips/boot/dts there and find it empty.
> > Does the kernel start with the devicetrees you add to barebox?
> 
> linux-mips world is different from linux-arm world in many ways :)
> 
> $ find linux.git/arch/mips/ -iname '*dts*'
> linux.git/arch/mips/mti-sead3/sead3.dts
> linux.git/arch/mips/boot/dts
> linux.git/arch/mips/ralink/dts
> linux.git/arch/mips/ralink/dts/rt2880_eval.dts
> linux.git/arch/mips/ralink/dts/mt7620a.dtsi
> linux.git/arch/mips/ralink/dts/rt2880.dtsi
> linux.git/arch/mips/ralink/dts/rt3883.dtsi
> linux.git/arch/mips/ralink/dts/rt3883_eval.dts
> linux.git/arch/mips/ralink/dts/rt3052_eval.dts
> linux.git/arch/mips/ralink/dts/rt3050.dtsi
> linux.git/arch/mips/ralink/dts/mt7620a_eval.dts
> linux.git/arch/mips/lantiq/dts
> linux.git/arch/mips/lantiq/dts/easy50712.dts
> linux.git/arch/mips/lantiq/dts/danube.dtsi
> linux.git/arch/mips/netlogic/dts
> linux.git/arch/mips/netlogic/dts/xlp_gvp.dts
> linux.git/arch/mips/netlogic/dts/xlp_evp.dts
> linux.git/arch/mips/netlogic/dts/xlp_fvp.dts
> linux.git/arch/mips/netlogic/dts/xlp_svp.dts
> linux.git/arch/mips/cavium-octeon/octeon_3xxx.dts
> linux.git/arch/mips/cavium-octeon/octeon_68xx.dts

Ah, there they are.

> 
> So there is no support in barebox for a mainline linux dts-capable machine.

Ok, then we do not need to make the dts files Linux mainline compatible.
You probably keep an eye on the mips development so that we won't end up
with conflicting devicetrees.

> 
> Loongson developers have no plan to port OpenFirmware in the near future,
> see this
>    http://www.linux-mips.org/archives/linux-mips/2014-03/msg00164.html

Uh, not nice :(

Sascha

-- 
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      reply	other threads:[~2014-04-10  6:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-07  7:38 Antony Pavlov
2014-04-07  7:38 ` [PATCH 1/3] MIPS: add Longson LS1B SoC dtsi file Antony Pavlov
2014-04-07  7:38 ` [PATCH 2/3] MIPS: add Loongson Tech LS1B Demo Board dts file Antony Pavlov
2014-04-07  7:38 ` [PATCH 3/3] MIPS: loongson-ls1b: switch to device tree Antony Pavlov
2014-04-08  6:06 ` [PATCH 0/3] MIPS: loongson-ls1b: switch to device tree probe Sascha Hauer
2014-04-08  7:13   ` Antony Pavlov
2014-04-10  6:21     ` Sascha Hauer [this message]

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