diff mbox

[U-Boot,v2,10/10] ARM: sun6i: Add Colombus board defconfig

Message ID 1411545673-5591-11-git-send-email-wens@csie.org
State Superseded
Headers show

Commit Message

Chen-Yu Tsai Sept. 24, 2014, 8:01 a.m. UTC
The Colombus board is an A31 evaluation board from WITS Technology.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
---
 configs/Colombus_defconfig | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 configs/Colombus_defconfig

Comments

Ian Campbell Sept. 25, 2014, 7:09 p.m. UTC | #1
On Wed, 2014-09-24 at 16:01 +0800, Chen-Yu Tsai wrote:
> The Colombus board is an A31 evaluation board from WITS Technology.
> 
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>

> ---
>  configs/Colombus_defconfig | 4 ++++
>  1 file changed, 4 insertions(+)
>  create mode 100644 configs/Colombus_defconfig
> 
> diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
> new file mode 100644
> index 0000000..16800de
> --- /dev/null
> +++ b/configs/Colombus_defconfig
> @@ -0,0 +1,4 @@
> +CONFIG_SYS_EXTRA_OPTIONS="COLOMBUS"

Does this do anything other than define an unused #define?

Ah, I suppose eventually it will cause the inclusion of a suitable dram
file. Really ought to start moving things out of SYS_EXTRA though, but I
don't think you need to shave that yakk just to get this patch in, so:

Acked-by: Ian Campbell <ijc@hellion.org.uk>
Ian Campbell Sept. 28, 2014, 3:33 p.m. UTC | #2
On Thu, 2014-09-25 at 20:09 +0100, Ian Campbell wrote:
> On Wed, 2014-09-24 at 16:01 +0800, Chen-Yu Tsai wrote:
> > The Colombus board is an A31 evaluation board from WITS Technology.
> > 
> > Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> 
> > ---
> >  configs/Colombus_defconfig | 4 ++++
> >  1 file changed, 4 insertions(+)
> >  create mode 100644 configs/Colombus_defconfig
> > 
> > diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
> > new file mode 100644
> > index 0000000..16800de
> > --- /dev/null
> > +++ b/configs/Colombus_defconfig
> > @@ -0,0 +1,4 @@
> > +CONFIG_SYS_EXTRA_OPTIONS="COLOMBUS"
> 
> Does this do anything other than define an unused #define?
> 
> Ah, I suppose eventually it will cause the inclusion of a suitable dram
> file. Really ought to start moving things out of SYS_EXTRA though, but I
> don't think you need to shave that yakk just to get this patch in, so:
> 
> Acked-by: Ian Campbell <ijc@hellion.org.uk>

Although I've just noticed that lacks a board/sunxi/MAINTAINERS entry.

I think there is no need to resend the whole series, just this one
patch. With this minor tweak I think it's time add this to
u-boot-sunxi#next.

Ian.
Chen-Yu Tsai Sept. 28, 2014, 3:37 p.m. UTC | #3
On Sun, Sep 28, 2014 at 11:33 PM, Ian Campbell <ijc@hellion.org.uk> wrote:
> On Thu, 2014-09-25 at 20:09 +0100, Ian Campbell wrote:
>> On Wed, 2014-09-24 at 16:01 +0800, Chen-Yu Tsai wrote:
>> > The Colombus board is an A31 evaluation board from WITS Technology.
>> >
>> > Signed-off-by: Chen-Yu Tsai <wens@csie.org>
>>
>> > ---
>> >  configs/Colombus_defconfig | 4 ++++
>> >  1 file changed, 4 insertions(+)
>> >  create mode 100644 configs/Colombus_defconfig
>> >
>> > diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
>> > new file mode 100644
>> > index 0000000..16800de
>> > --- /dev/null
>> > +++ b/configs/Colombus_defconfig
>> > @@ -0,0 +1,4 @@
>> > +CONFIG_SYS_EXTRA_OPTIONS="COLOMBUS"
>>
>> Does this do anything other than define an unused #define?
>>
>> Ah, I suppose eventually it will cause the inclusion of a suitable dram
>> file. Really ought to start moving things out of SYS_EXTRA though, but I
>> don't think you need to shave that yakk just to get this patch in, so:
>>
>> Acked-by: Ian Campbell <ijc@hellion.org.uk>
>
> Although I've just noticed that lacks a board/sunxi/MAINTAINERS entry.
>
> I think there is no need to resend the whole series, just this one
> patch. With this minor tweak I think it's time add this to
> u-boot-sunxi#next.

Actually I don't have this board. I think Maxime has one. Not sure
if anyone else does. It was kind of a placeholder for all A31 boards.

I suppose you could just drop this patch. I can send another one
for the A31 Hummingbird, which I do have and can maintain.

ChenYu
Hans de Goede Sept. 28, 2014, 3:40 p.m. UTC | #4
Hi Ian,

On 09/28/2014 05:33 PM, Ian Campbell wrote:
> On Thu, 2014-09-25 at 20:09 +0100, Ian Campbell wrote:
>> On Wed, 2014-09-24 at 16:01 +0800, Chen-Yu Tsai wrote:
>>> The Colombus board is an A31 evaluation board from WITS Technology.
>>>
>>> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
>>
>>> ---
>>>  configs/Colombus_defconfig | 4 ++++
>>>  1 file changed, 4 insertions(+)
>>>  create mode 100644 configs/Colombus_defconfig
>>>
>>> diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
>>> new file mode 100644
>>> index 0000000..16800de
>>> --- /dev/null
>>> +++ b/configs/Colombus_defconfig
>>> @@ -0,0 +1,4 @@
>>> +CONFIG_SYS_EXTRA_OPTIONS="COLOMBUS"
>>
>> Does this do anything other than define an unused #define?
>>
>> Ah, I suppose eventually it will cause the inclusion of a suitable dram
>> file. Really ought to start moving things out of SYS_EXTRA though, but I
>> don't think you need to shave that yakk just to get this patch in, so:
>>
>> Acked-by: Ian Campbell <ijc@hellion.org.uk>
> 
> Although I've just noticed that lacks a board/sunxi/MAINTAINERS entry.
> 
> I think there is no need to resend the whole series, just this one
> patch. With this minor tweak I think it's time add this to
> u-boot-sunxi#next.

Before you do that, note that I've just added 2 patches there, which I would
like to get into v2014.10. Specifically I'm hoping that I can get some
positive testing feedback on the bananapi gmac patch I've send (off-list),
and I believe we really should try to get the bananapi fix into v2014.10,
and if we're going todo a pull-req for v2014.10, we might as well include
the 2 patches I've just added to next. Do you agree ?

Still feel free to merge the sun6i series into next, I can just cherry pick
the 3 patches in question directly into master when I'm ready to send the
pull-req.

Regards,

Hans
Ian Campbell Sept. 28, 2014, 3:43 p.m. UTC | #5
On Sun, 2014-09-28 at 23:37 +0800, Chen-Yu Tsai wrote:
> On Sun, Sep 28, 2014 at 11:33 PM, Ian Campbell <ijc@hellion.org.uk> wrote:
> > On Thu, 2014-09-25 at 20:09 +0100, Ian Campbell wrote:
> >> On Wed, 2014-09-24 at 16:01 +0800, Chen-Yu Tsai wrote:
> >> > The Colombus board is an A31 evaluation board from WITS Technology.
> >> >
> >> > Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> >>
> >> > ---
> >> >  configs/Colombus_defconfig | 4 ++++
> >> >  1 file changed, 4 insertions(+)
> >> >  create mode 100644 configs/Colombus_defconfig
> >> >
> >> > diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
> >> > new file mode 100644
> >> > index 0000000..16800de
> >> > --- /dev/null
> >> > +++ b/configs/Colombus_defconfig
> >> > @@ -0,0 +1,4 @@
> >> > +CONFIG_SYS_EXTRA_OPTIONS="COLOMBUS"
> >>
> >> Does this do anything other than define an unused #define?
> >>
> >> Ah, I suppose eventually it will cause the inclusion of a suitable dram
> >> file. Really ought to start moving things out of SYS_EXTRA though, but I
> >> don't think you need to shave that yakk just to get this patch in, so:
> >>
> >> Acked-by: Ian Campbell <ijc@hellion.org.uk>
> >
> > Although I've just noticed that lacks a board/sunxi/MAINTAINERS entry.
> >
> > I think there is no need to resend the whole series, just this one
> > patch. With this minor tweak I think it's time add this to
> > u-boot-sunxi#next.
> 
> Actually I don't have this board. I think Maxime has one. Not sure
> if anyone else does. It was kind of a placeholder for all A31 boards.
> 
> I suppose you could just drop this patch. I can send another one
> for the A31 Hummingbird, which I do have and can maintain.

Unless Maxime agrees to having his name in the MAINTAINERS file I think
that would be best, actually if he does agree I see no reason not to
have both ;-)

Ian.
Ian Campbell Sept. 28, 2014, 4:20 p.m. UTC | #6
On Sun, 2014-09-28 at 17:40 +0200, Hans de Goede wrote:
> Hi Ian,
> 
> On 09/28/2014 05:33 PM, Ian Campbell wrote:
> > On Thu, 2014-09-25 at 20:09 +0100, Ian Campbell wrote:
> >> On Wed, 2014-09-24 at 16:01 +0800, Chen-Yu Tsai wrote:
> >>> The Colombus board is an A31 evaluation board from WITS Technology.
> >>>
> >>> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> >>
> >>> ---
> >>>  configs/Colombus_defconfig | 4 ++++
> >>>  1 file changed, 4 insertions(+)
> >>>  create mode 100644 configs/Colombus_defconfig
> >>>
> >>> diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
> >>> new file mode 100644
> >>> index 0000000..16800de
> >>> --- /dev/null
> >>> +++ b/configs/Colombus_defconfig
> >>> @@ -0,0 +1,4 @@
> >>> +CONFIG_SYS_EXTRA_OPTIONS="COLOMBUS"
> >>
> >> Does this do anything other than define an unused #define?
> >>
> >> Ah, I suppose eventually it will cause the inclusion of a suitable dram
> >> file. Really ought to start moving things out of SYS_EXTRA though, but I
> >> don't think you need to shave that yakk just to get this patch in, so:
> >>
> >> Acked-by: Ian Campbell <ijc@hellion.org.uk>
> > 
> > Although I've just noticed that lacks a board/sunxi/MAINTAINERS entry.
> > 
> > I think there is no need to resend the whole series, just this one
> > patch. With this minor tweak I think it's time add this to
> > u-boot-sunxi#next.
> 
> Before you do that, note that I've just added 2 patches there, which I would
> like to get into v2014.10. Specifically I'm hoping that I can get some
> positive testing feedback on the bananapi gmac patch I've send (off-list),
> and I believe we really should try to get the bananapi fix into v2014.10,
> and if we're going todo a pull-req for v2014.10, we might as well include
> the 2 patches I've just added to next. Do you agree ?

You mean these two?
        sun7i: Add support for Olimex A20-OLinuXino-LIME2
        mmc: sunxi: add SDHC support for sun6i/sun7i/sun8i

The latter seems like a feature to me, or at least the changelog doesn't
give any rationale why it should go in now rather than waiting for the
next merge window (i.e. why it's a bugfix, what the upside is to justify
its inclusion now). How much testing has it had and what are the
potential downsides?

WRT the new board (and new boards generally), I'm in two minds. On the
one hand they are pretty low risk (can't regress anything else, at least
not in this case), on the other we are 6 weeks past the close of the
merge window and 2 from the release date, so we are pretty far along.
Where do we draw the line?

The gmac fix is a clear bug fix and once it is properly posted publicly
I will ack and then I agree it should go in.

> Still feel free to merge the sun6i series into next, I can just cherry pick
> the 3 patches in question directly into master when I'm ready to send the
> pull-req.

Ack, that's what I expected to happen.

Ian.
Maxime Ripard Sept. 28, 2014, 4:39 p.m. UTC | #7
On Sun, Sep 28, 2014 at 04:43:30PM +0100, Ian Campbell wrote:
> > Actually I don't have this board. I think Maxime has one. Not sure
> > if anyone else does. It was kind of a placeholder for all A31 boards.
> > 
> > I suppose you could just drop this patch. I can send another one
> > for the A31 Hummingbird, which I do have and can maintain.
> 
> Unless Maxime agrees to having his name in the MAINTAINERS file I think
> that would be best, actually if he does agree I see no reason not to
> have both ;-)

That's something I could live with :)

Maxime
Iain Paton Sept. 28, 2014, 5:03 p.m. UTC | #8
On 28/09/14 17:20, Ian Campbell wrote:

> You mean these two?
>         sun7i: Add support for Olimex A20-OLinuXino-LIME2
>         mmc: sunxi: add SDHC support for sun6i/sun7i/sun8i
> 
> The latter seems like a feature to me, or at least the changelog doesn't
> give any rationale why it should go in now rather than waiting for the
> next merge window (i.e. why it's a bugfix, what the upside is to justify
> its inclusion now). How much testing has it had and what are the
> potential downsides?
> 
> WRT the new board (and new boards generally), I'm in two minds. On the
> one hand they are pretty low risk (can't regress anything else, at least
> not in this case), on the other we are 6 weeks past the close of the
> merge window and 2 from the release date, so we are pretty far along.
> Where do we draw the line?

FWIW, the Lime2 is very new, I had no expectations it would make it 
into 2014.10 - although I'd not complain if it does!

Seems unlikely the dts will make it into 3.17 either, so there's probably 
no rush. 
Anyone needing either can pick up the patches themselves until next 
release.
Hans de Goede Sept. 28, 2014, 6:10 p.m. UTC | #9
Hi,

On 09/28/2014 06:20 PM, Ian Campbell wrote:
> On Sun, 2014-09-28 at 17:40 +0200, Hans de Goede wrote:
>> Hi Ian,
>>
>> On 09/28/2014 05:33 PM, Ian Campbell wrote:
>>> On Thu, 2014-09-25 at 20:09 +0100, Ian Campbell wrote:
>>>> On Wed, 2014-09-24 at 16:01 +0800, Chen-Yu Tsai wrote:
>>>>> The Colombus board is an A31 evaluation board from WITS Technology.
>>>>>
>>>>> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
>>>>
>>>>> ---
>>>>>  configs/Colombus_defconfig | 4 ++++
>>>>>  1 file changed, 4 insertions(+)
>>>>>  create mode 100644 configs/Colombus_defconfig
>>>>>
>>>>> diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
>>>>> new file mode 100644
>>>>> index 0000000..16800de
>>>>> --- /dev/null
>>>>> +++ b/configs/Colombus_defconfig
>>>>> @@ -0,0 +1,4 @@
>>>>> +CONFIG_SYS_EXTRA_OPTIONS="COLOMBUS"
>>>>
>>>> Does this do anything other than define an unused #define?
>>>>
>>>> Ah, I suppose eventually it will cause the inclusion of a suitable dram
>>>> file. Really ought to start moving things out of SYS_EXTRA though, but I
>>>> don't think you need to shave that yakk just to get this patch in, so:
>>>>
>>>> Acked-by: Ian Campbell <ijc@hellion.org.uk>
>>>
>>> Although I've just noticed that lacks a board/sunxi/MAINTAINERS entry.
>>>
>>> I think there is no need to resend the whole series, just this one
>>> patch. With this minor tweak I think it's time add this to
>>> u-boot-sunxi#next.
>>
>> Before you do that, note that I've just added 2 patches there, which I would
>> like to get into v2014.10. Specifically I'm hoping that I can get some
>> positive testing feedback on the bananapi gmac patch I've send (off-list),
>> and I believe we really should try to get the bananapi fix into v2014.10,
>> and if we're going todo a pull-req for v2014.10, we might as well include
>> the 2 patches I've just added to next. Do you agree ?
> 
> You mean these two?
>         sun7i: Add support for Olimex A20-OLinuXino-LIME2
>         mmc: sunxi: add SDHC support for sun6i/sun7i/sun8i

Yes.

> The latter seems like a feature to me, or at least the changelog doesn't
> give any rationale why it should go in now rather than waiting for the
> next merge window (i.e. why it's a bugfix, what the upside is to justify
> its inclusion now). How much testing has it had and what are the
> potential downsides?

AFAIK the downside is that High Capacity cards will not work without it.

Looking at the code if this bit is set, then for some commands
drivers/mmc/mmc.c or-s in OCR_HCS into the mmc cmdarg, so I guess you're
right that this may cause some undesirable side effects, so lets delay
this one.

> WRT the new board (and new boards generally), I'm in two minds. On the
> one hand they are pretty low risk (can't regress anything else, at least
> not in this case), on the other we are 6 weeks past the close of the
> merge window and 2 from the release date, so we are pretty far along.
> Where do we draw the line?

Normally I would not include new boards at this moment in the cycle, but
since we need to do a pull-req for the gmac anyways I thought it would
be nice to have it included, esp. since many distros only spin things
like sdcard boot images once, so if we do not include it now, many distros
will not get it for a significant amount of time.

Either way let me know how you want to proceed, if you think we should not
include this, then I'll send a pull-req with only the gmac fix.

> The gmac fix is a clear bug fix and once it is properly posted publicly
> I will ack and then I agree it should go in.

I was hoping for Stephen to get around to testing it today, and then I wanted
to send it out with his Tested-by. I'll just go and send it as is for now.

>> Still feel free to merge the sun6i series into next, I can just cherry pick
>> the 3 patches in question directly into master when I'm ready to send the
>> pull-req.
> 
> Ack, that's what I expected to happen.

Regards,

Hans
Ian Campbell Sept. 28, 2014, 9:36 p.m. UTC | #10
On Sun, 2014-09-28 at 20:10 +0200, Hans de Goede wrote:
> On 09/28/2014 06:20 PM, Ian Campbell wrote:
> > On Sun, 2014-09-28 at 17:40 +0200, Hans de Goede wrote:

> >> Before you do that, note that I've just added 2 patches there, which I would
> >> like to get into v2014.10. Specifically I'm hoping that I can get some
> >> positive testing feedback on the bananapi gmac patch I've send (off-list),
> >> and I believe we really should try to get the bananapi fix into v2014.10,
> >> and if we're going todo a pull-req for v2014.10, we might as well include
> >> the 2 patches I've just added to next. Do you agree ?
> > 
> > You mean these two?
> >         sun7i: Add support for Olimex A20-OLinuXino-LIME2
> >         mmc: sunxi: add SDHC support for sun6i/sun7i/sun8i
> 
> Yes.
> 
> > The latter seems like a feature to me, or at least the changelog doesn't
> > give any rationale why it should go in now rather than waiting for the
> > next merge window (i.e. why it's a bugfix, what the upside is to justify
> > its inclusion now). How much testing has it had and what are the
> > potential downsides?
> 
> AFAIK the downside is that High Capacity cards will not work without it.
> 
> Looking at the code if this bit is set, then for some commands
> drivers/mmc/mmc.c or-s in OCR_HCS into the mmc cmdarg, so I guess you're
> right that this may cause some undesirable side effects, so lets delay
> this one.

OK.

> > WRT the new board (and new boards generally), I'm in two minds. On the
> > one hand they are pretty low risk (can't regress anything else, at least
> > not in this case), on the other we are 6 weeks past the close of the
> > merge window and 2 from the release date, so we are pretty far along.
> > Where do we draw the line?
> 
> Normally I would not include new boards at this moment in the cycle, but
> since we need to do a pull-req for the gmac anyways I thought it would
> be nice to have it included, esp. since many distros only spin things
> like sdcard boot images once, so if we do not include it now, many distros
> will not get it for a significant amount of time.

There's always Just One More Board(tm) ;-)

> Either way let me know how you want to proceed, if you think we should not
> include this, then I'll send a pull-req with only the gmac fix.

As I say I'm in two minds. I'm not really sure what the u-boot norm is
on this, I was hoping someone might chime in (although it's not been
very long and the thread topic doesn't exactly scream for attention).
Maybe run it by Albert/Tom and see how they feel about such things in
general?

Where run it by might be two alternate PRs? Or a PR structured so the
new board can trivially be dropped?

> > The gmac fix is a clear bug fix and once it is properly posted publicly
> > I will ack and then I agree it should go in.
> 
> I was hoping for Stephen to get around to testing it today, and then I wanted
> to send it out with his Tested-by. I'll just go and send it as is for now.

s/Stephen/Karsten/?

Ian.
Hans de Goede Sept. 29, 2014, 6:08 p.m. UTC | #11
Hi,

On 09/28/2014 11:36 PM, Ian Campbell wrote:
> On Sun, 2014-09-28 at 20:10 +0200, Hans de Goede wrote:
>> On 09/28/2014 06:20 PM, Ian Campbell wrote:
>>> On Sun, 2014-09-28 at 17:40 +0200, Hans de Goede wrote:
> 
>>>> Before you do that, note that I've just added 2 patches there, which I would
>>>> like to get into v2014.10. Specifically I'm hoping that I can get some
>>>> positive testing feedback on the bananapi gmac patch I've send (off-list),
>>>> and I believe we really should try to get the bananapi fix into v2014.10,
>>>> and if we're going todo a pull-req for v2014.10, we might as well include
>>>> the 2 patches I've just added to next. Do you agree ?
>>>
>>> You mean these two?
>>>         sun7i: Add support for Olimex A20-OLinuXino-LIME2
>>>         mmc: sunxi: add SDHC support for sun6i/sun7i/sun8i
>>
>> Yes.
>>
>>> The latter seems like a feature to me, or at least the changelog doesn't
>>> give any rationale why it should go in now rather than waiting for the
>>> next merge window (i.e. why it's a bugfix, what the upside is to justify
>>> its inclusion now). How much testing has it had and what are the
>>> potential downsides?
>>
>> AFAIK the downside is that High Capacity cards will not work without it.
>>
>> Looking at the code if this bit is set, then for some commands
>> drivers/mmc/mmc.c or-s in OCR_HCS into the mmc cmdarg, so I guess you're
>> right that this may cause some undesirable side effects, so lets delay
>> this one.
> 
> OK.
> 
>>> WRT the new board (and new boards generally), I'm in two minds. On the
>>> one hand they are pretty low risk (can't regress anything else, at least
>>> not in this case), on the other we are 6 weeks past the close of the
>>> merge window and 2 from the release date, so we are pretty far along.
>>> Where do we draw the line?
>>
>> Normally I would not include new boards at this moment in the cycle, but
>> since we need to do a pull-req for the gmac anyways I thought it would
>> be nice to have it included, esp. since many distros only spin things
>> like sdcard boot images once, so if we do not include it now, many distros
>> will not get it for a significant amount of time.
> 
> There's always Just One More Board(tm) ;-)

Right, so lets just drop the board and I'll do a pull-req with only the
bananapi gmac fix, can I have your Reviewed-by for that one please?

>> Either way let me know how you want to proceed, if you think we should not
>> include this, then I'll send a pull-req with only the gmac fix.
> 
> As I say I'm in two minds. I'm not really sure what the u-boot norm is
> on this, I was hoping someone might chime in (although it's not been
> very long and the thread topic doesn't exactly scream for attention).
> Maybe run it by Albert/Tom and see how they feel about such things in
> general?
> 
> Where run it by might be two alternate PRs? Or a PR structured so the
> new board can trivially be dropped?
> 
>>> The gmac fix is a clear bug fix and once it is properly posted publicly
>>> I will ack and then I agree it should go in.
>>
>> I was hoping for Stephen to get around to testing it today, and then I wanted
>> to send it out with his Tested-by. I'll just go and send it as is for now.
> 
> s/Stephen/Karsten/?

Yes, my bad.

Regards,

Hans
Ian Campbell Sept. 30, 2014, 7:06 a.m. UTC | #12
On Mon, 2014-09-29 at 20:08 +0200, Hans de Goede wrote:
> 
> Right, so lets just drop the board and I'll do a pull-req with only
> the
> bananapi gmac fix, can I have your Reviewed-by for that one please?

Done.
diff mbox

Patch

diff --git a/configs/Colombus_defconfig b/configs/Colombus_defconfig
new file mode 100644
index 0000000..16800de
--- /dev/null
+++ b/configs/Colombus_defconfig
@@ -0,0 +1,4 @@ 
+CONFIG_SYS_EXTRA_OPTIONS="COLOMBUS"
+CONFIG_ARM=y
+CONFIG_TARGET_SUN6I=y
+CONFIG_FDTFILE="sun6i-a31-colombus.dtb"