From: viresh.kumar@st.com (Viresh Kumar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: SPEAr600: Add device-tree support to SPEAr600 boards
Date: Wed, 14 Mar 2012 15:32:42 +0530 [thread overview]
Message-ID: <4F606CC2.9000402@st.com> (raw)
In-Reply-To: <201203140958.27289.arnd@arndb.de>
On 3/14/2012 3:28 PM, Arnd Bergmann wrote:
> No problem, we are all learning things as we are working on them.
>
> The idea with DT is that you no longer need any board files because all of
> the information in those files is now passed as a data structure to the kernel
> at boot time. Platforms that are fully converted to DT don't have any
> board files but just have one DT_MACHINE_START entry for all of them in
> the common platform files. Since spear600 has very little board specific
> contents at the moment, it is very easy to get to this point now, and
> that will actually help support other boards without having to do more
> patches to add board files.
>
> When this work is completed, we might actually be able to extend the
> spear6xx DT code to also support spear3xx and spear13xx, renaming it
> to mach-spear. In that case, we would probably need one DT_MACHINE_START
> entry for each family and would not be able to actually build 13xx together
> with the other ones, but I guess a lot of the infrastructure could be shared.
>
> I would suggest you read Documentation/devicetree/booting-without-of.txt
> to get a better understanding of what this is all about.
You pointed exactly to the doubt i had.
That was very helpful. I really appreciate it.
Thanks a lot.
--
viresh
WARNING: multiple messages have this Message-ID (diff)
From: Viresh Kumar <viresh.kumar-qxv4g6HH51o@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Cc: Stefan Roese <sr-ynQEQJNshbs@public.gmane.org>,
"devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org"
<devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org>,
spear-devel <spear-devel-nkJGhpqTU55BDgjK7y7TUQ@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH] ARM: SPEAr600: Add device-tree support to SPEAr600 boards
Date: Wed, 14 Mar 2012 15:32:42 +0530 [thread overview]
Message-ID: <4F606CC2.9000402@st.com> (raw)
In-Reply-To: <201203140958.27289.arnd-r2nGTMty4D4@public.gmane.org>
On 3/14/2012 3:28 PM, Arnd Bergmann wrote:
> No problem, we are all learning things as we are working on them.
>
> The idea with DT is that you no longer need any board files because all of
> the information in those files is now passed as a data structure to the kernel
> at boot time. Platforms that are fully converted to DT don't have any
> board files but just have one DT_MACHINE_START entry for all of them in
> the common platform files. Since spear600 has very little board specific
> contents at the moment, it is very easy to get to this point now, and
> that will actually help support other boards without having to do more
> patches to add board files.
>
> When this work is completed, we might actually be able to extend the
> spear6xx DT code to also support spear3xx and spear13xx, renaming it
> to mach-spear. In that case, we would probably need one DT_MACHINE_START
> entry for each family and would not be able to actually build 13xx together
> with the other ones, but I guess a lot of the infrastructure could be shared.
>
> I would suggest you read Documentation/devicetree/booting-without-of.txt
> to get a better understanding of what this is all about.
You pointed exactly to the doubt i had.
That was very helpful. I really appreciate it.
Thanks a lot.
--
viresh
next prev parent reply other threads:[~2012-03-14 10:02 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-13 14:47 [PATCH] ARM: SPEAr600: Add device-tree support to SPEAr600 boards Stefan Roese
2012-03-13 14:47 ` Stefan Roese
2012-03-13 16:44 ` Arnd Bergmann
2012-03-13 16:44 ` Arnd Bergmann
2012-03-14 7:08 ` Viresh Kumar
2012-03-14 7:08 ` Viresh Kumar
2012-03-14 9:58 ` Arnd Bergmann
2012-03-14 9:58 ` Arnd Bergmann
2012-03-14 10:02 ` Viresh Kumar [this message]
2012-03-14 10:02 ` Viresh Kumar
2012-03-14 7:40 ` Stefan Roese
2012-03-14 7:40 ` Stefan Roese
2012-03-14 9:48 ` Arnd Bergmann
2012-03-14 9:48 ` Arnd Bergmann
2012-03-14 10:36 ` Stefan Roese
2012-03-14 10:36 ` Stefan Roese
2012-03-14 13:27 ` Arnd Bergmann
2012-03-14 13:27 ` Arnd Bergmann
2012-03-14 13:43 ` Stefan Roese
2012-03-14 13:43 ` Stefan Roese
2012-03-14 14:09 ` Arnd Bergmann
2012-03-14 14:09 ` Arnd Bergmann
2012-03-14 13:44 ` Rob Herring
2012-03-14 13:44 ` Rob Herring
2012-03-14 7:05 ` Viresh Kumar
2012-03-14 7:05 ` Viresh Kumar
2012-03-14 7:20 ` Stefan Roese
2012-03-14 7:20 ` Stefan Roese
2012-03-15 8:48 ` Stefan Roese
2012-03-15 8:48 ` Stefan Roese
2012-03-15 9:00 ` Viresh Kumar
2012-03-15 9:00 ` Viresh Kumar
2012-03-15 10:38 ` Stefan Roese
2012-03-15 10:38 ` Stefan Roese
2012-03-15 10:40 ` Viresh Kumar
2012-03-15 10:40 ` Viresh Kumar
2012-03-15 13:39 ` Arnd Bergmann
2012-03-15 13:39 ` Arnd Bergmann
2012-03-21 11:32 ` Viresh Kumar
2012-03-21 11:32 ` Viresh Kumar
2012-03-21 12:36 ` Arnd Bergmann
2012-03-21 12:36 ` Arnd Bergmann
2012-03-21 13:28 ` viresh kumar
2012-03-21 13:28 ` viresh kumar
2012-03-21 14:04 ` Arnd Bergmann
2012-03-21 14:04 ` Arnd Bergmann
2012-03-21 14:18 ` viresh kumar
2012-03-21 14:18 ` viresh kumar
2012-03-21 14:42 ` Arnd Bergmann
2012-03-21 14:42 ` Arnd Bergmann
2012-03-21 18:26 ` Arnd Bergmann
2012-03-21 18:26 ` Arnd Bergmann
2012-03-22 0:45 ` viresh kumar
2012-03-22 0:45 ` viresh kumar
2012-03-22 8:10 ` Arnd Bergmann
2012-03-22 8:10 ` Arnd Bergmann
[not found] ` <201203220810.00628.arnd-r2nGTMty4D4@public.gmane.org>
2012-03-22 8:51 ` viresh kumar
[not found] ` <201203211236.37891.arnd-r2nGTMty4D4@public.gmane.org>
2012-03-22 13:46 ` viresh kumar
2012-03-22 14:20 ` Arnd Bergmann
2012-03-22 14:20 ` Arnd Bergmann
[not found] ` <201203221420.10127.arnd-r2nGTMty4D4@public.gmane.org>
2012-03-22 14:53 ` viresh kumar
2012-03-27 10:27 ` Viresh Kumar
2012-03-27 10:27 ` Viresh Kumar
2012-03-27 11:15 ` Arnd Bergmann
2012-03-27 11:15 ` Arnd Bergmann
2012-03-27 11:27 ` Viresh Kumar
2012-03-27 11:27 ` Viresh Kumar
2012-03-27 11:45 ` Viresh Kumar
2012-03-27 11:45 ` Viresh Kumar
2012-03-27 11:59 ` Arnd Bergmann
2012-03-27 11:59 ` Arnd Bergmann
[not found] ` <201203271159.35306.arnd-r2nGTMty4D4@public.gmane.org>
2012-03-27 13:44 ` viresh kumar
2012-03-27 13:59 ` Arnd Bergmann
2012-03-27 13:59 ` Arnd Bergmann
2012-03-28 5:03 ` Viresh Kumar
2012-03-28 5:03 ` Viresh Kumar
2012-03-28 8:13 ` Arnd Bergmann
2012-03-28 8:13 ` Arnd Bergmann
2012-03-14 8:48 ` Jean-Christophe PLAGNIOL-VILLARD
2012-03-14 8:48 ` Jean-Christophe PLAGNIOL-VILLARD
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