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From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] Problem with Allwinner H3 clocks
Date: Thu, 28 Jan 2016 18:31:16 +0100	[thread overview]
Message-ID: <20160128173116.GA32462@lukather> (raw)
In-Reply-To: <56A9CE3D.4020906@redhat.com>

On Thu, Jan 28, 2016 at 09:15:57AM +0100, Hans de Goede wrote:
> Hi,
> 
> On 27-01-16 20:02, Jean-Francois Moine wrote:
> >On Wed, 27 Jan 2016 19:16:42 +0100
> >Hans de Goede <hdegoede@redhat.com> wrote:
> >
> >>>To be sure, I generated a pure 4.5-rc1 kernel. Same result: no UART.
> >>>Maybe... one more information: I am using Allwinner's u-boot.
> >>
> >>Could be that that is the culprit, why are you not using upstream u-boot?
> >>upstream u-boot has H3 and orangepi-pc support now.
> >
> >Yes, but using the upstream u-boot may hide the clock problem.
> 
> I agree that that could be the case. Would be interesting to figure out
> what exactly is needed to get the upstream kernel to work properly
> with allwinner's u-boot.

I'm guessing it's probably because of the arch timers that have not
been properly initialized.

Do you have any earlyprintk output?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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      parent reply	other threads:[~2016-01-28 17:31 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-27  7:46 Problem with Allwinner H3 clocks Jean-Francois Moine
2016-01-27  8:18 ` [linux-sunxi] " Chen-Yu Tsai
2016-01-27  9:37   ` Jean-Francois Moine
2016-01-27 14:36     ` Jens Kuske
2016-01-27 16:55       ` Jean-Francois Moine
2016-01-27 18:16         ` Hans de Goede
2016-01-27 19:02           ` Jean-Francois Moine
2016-01-28  8:15             ` Hans de Goede
2016-01-28 13:16               ` Jens Kuske
2016-01-28 16:59                 ` Jean-Francois Moine
2016-01-28 19:29                   ` Maxime Ripard
2016-01-29  6:25                     ` Hans de Goede
2016-01-29  7:59                       ` Chen-Yu Tsai
2016-02-01  6:37                       ` Maxime Ripard
2016-02-01 14:26                         ` Hans de Goede
2016-02-01 14:37                           ` Chen-Yu Tsai
2016-02-01 14:45                             ` Maxime Ripard
2016-02-01 14:47                           ` Maxime Ripard
2016-01-29  7:27                     ` Jean-Francois Moine
2016-01-28 15:51               ` Jean-Francois Moine
2016-01-28 17:31               ` Maxime Ripard [this message]

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