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From: Paul Cercueil <paul@crapouillou.net>
To: Mathieu Malaterre <malat@debian.org>
Cc: Thierry Reding <thierry.reding@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ralf Baechle <ralf@linux-mips.org>,
	Paul Burton <paul.burton@mips.com>,
	James Hogan <jhogan@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Ezequiel Garcia <ezequiel@collabora.co.uk>,
	PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>,
	linux-pwm@vger.kernel.org,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	linux-watchdog@vger.kernel.org, linux-mips@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-clk@vger.kernel.org, od@zcrc.me
Subject: Re: [PATCH v8 00/26] Ingenic TCU patchset v8
Date: Thu, 24 Jan 2019 18:41:35 -0300	[thread overview]
Message-ID: <1548366095.3881.1@crapouillou.net> (raw)
In-Reply-To: <CA+7wUszMOvGoPSVOKP7F_KHxgJvjBGT7oJmn5EO62hGGTQK4KA@mail.gmail.com>

Hi Mathieu,

Le jeu. 24 janv. 2019 à 18:26, Mathieu Malaterre <malat@debian.org> a 
écrit :
> Paul,
> 
> On Wed, Dec 12, 2018 at 11:09 PM Paul Cercueil <paul@crapouillou.net> 
> wrote:
>> 
>>  Hi,
>> 
>>  Here's the version 8 and hopefully final version of my patchset, 
>> which
>>  adds support for the Timer/Counter Unit found in JZ47xx SoCs from
>>  Ingenic.
> 
> I can no longer boot my MIPS Creator CI20 with this series (merged
> opendingux/for-upstream-timer-v8).
> 
> Using screen+ttyUSB, I can see messages stopping at:
> 
> ...
> [  OK  ] Started Cgroup management daemon.
>          Starting Regular background program processing daemon...
> [  OK  ] Started Regular background program processing daemon.
>          Starting System Logging Service...
>          Starting Provide limited super user privileges to specific 
> users...
>          Starting Restore /etc/resolv.conf if the system cras...s 
> shut down....
>          Starting WPA supplicant...
>          Starting D-Bus System Message Bus...
> [  OK  ] Started D-Bus System Message Bus.
> 
> Nothing really stands out in the error messages. Could you suggest
> things to try out to get into a bootable state ?

I'm debugging it right now on jz4740, it seems to happen when the 
clocksource
from the ingenic-timer driver is used. Is it your case? It should not 
happen
if you have CONFIG_INGENIC_OST set.

>>  The big change is that the timer driver has been simplified. The 
>> code to
>>  dynamically update the system timer or clocksource to a new channel 
>> has
>>  been removed. Now, the system timer and clocksource are provided as
>>  children nodes in the devicetree, and the TCU channel to use for 
>> these
>>  is deduced from their respective memory resource. The PWM driver 
>> will
>>  also deduce from its memory resources whether a given PWM channel 
>> can be
>>  used, or is reserved for the system timers.
>> 
>>  Kind regards,
>>  - Paul Cercueil
>> 


  reply	other threads:[~2019-01-24 21:42 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-12 22:08 [PATCH v8 00/26] Ingenic TCU patchset v8 Paul Cercueil
2018-12-12 22:08 ` [PATCH v8 01/26] dt-bindings: ingenic: Add DT bindings for TCU clocks Paul Cercueil
2018-12-17 23:18   ` Stephen Boyd
2018-12-12 22:08 ` [PATCH v8 02/26] doc: Add doc for the Ingenic TCU hardware Paul Cercueil
2018-12-12 22:08 ` [PATCH v8 03/26] dt-bindings: Add doc for the Ingenic TCU drivers Paul Cercueil
2018-12-17 21:05   ` Rob Herring
2018-12-17 22:03     ` Paul Cercueil
2018-12-18 16:36       ` Rob Herring
2018-12-22 11:09         ` Paul Cercueil
2018-12-12 22:08 ` [PATCH v8 04/26] clocksource: Add a new timer-ingenic driver Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 05/26] clocksource: Add driver for the Ingenic JZ47xx OST Paul Cercueil
2019-01-23 12:58   ` Mathieu Malaterre
2019-01-23 14:31     ` Guenter Roeck
2019-01-23 17:25       ` Paul Cercueil
2019-01-23 18:01         ` Guenter Roeck
2019-01-24 19:28           ` Stephen Boyd
2019-01-24 20:46             ` Paul Cercueil
2019-01-24 22:46               ` Stephen Boyd
2019-01-24 22:53                 ` Paul Cercueil
2019-02-23  3:17                   ` Paul Cercueil
2019-02-25 18:05                     ` Stephen Boyd
2019-02-27 23:54                       ` Paul Cercueil
2019-01-23 17:27     ` Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 06/26] MAINTAINERS: Add myself as maintainer for Ingenic TCU drivers Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 07/26] watchdog: jz4740: Use WDT clock provided by TCU driver Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 08/26] watchdog: jz4740: Use regmap " Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 09/26] watchdog: jz4740: Avoid starting watchdog in set_timeout Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 10/26] watchdog: jz4740: Drop dependency on MACH_JZ47xx, use COMPILE_TEST Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 11/26] pwm: jz4740: Use regmap and clocks from TCU driver Paul Cercueil
2018-12-13  9:30   ` Uwe Kleine-König
2018-12-13 14:34     ` Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 12/26] pwm: jz4740: Allow selection of PWM channels 0 and 1 Paul Cercueil
2018-12-13  9:18   ` Uwe Kleine-König
2018-12-13 13:58     ` Paul Cercueil
2018-12-13 20:32       ` Uwe Kleine-König
2018-12-16 13:36         ` Paul Cercueil
2018-12-17  7:43           ` Uwe Kleine-König
2018-12-12 22:09 ` [PATCH v8 13/26] pwm: jz4740: Drop dependency on MACH_INGENIC, use COMPILE_TEST Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 14/26] pwm: jz4740: Remove unused devicetree compatible strings Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 15/26] pwm: jz4740: Add support for the JZ4725B Paul Cercueil
2018-12-13  9:24   ` Uwe Kleine-König
2018-12-13 14:03     ` Paul Cercueil
2018-12-13 16:18       ` Thierry Reding
2018-12-13 20:42       ` Uwe Kleine-König
2018-12-14 13:50         ` Linus Walleij
2018-12-14 14:26           ` Uwe Kleine-König
2018-12-14 14:56             ` Linus Walleij
2018-12-16 14:18             ` Paul Cercueil
2018-12-17  7:53               ` Uwe Kleine-König
2018-12-20 17:39                 ` Thierry Reding
2018-12-20 20:58                   ` Uwe Kleine-König
2018-12-12 22:09 ` [PATCH v8 16/26] clk: jz4740: Add TCU clock Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 17/26] MIPS: Kconfig: Select TCU timer driver when MACH_INGENIC is set Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 18/26] MIPS: jz4740: Add DTS nodes for the TCU drivers Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 19/26] MIPS: qi_lb60: Move PWM devices to devicetree Paul Cercueil
2018-12-12 22:09 ` [PATCH v8 20/26] MIPS: qi_lb60: Reduce system timer and clocksource to 750 kHz Paul Cercueil
2018-12-12 22:12 ` [PATCH v8 21/26] MIPS: CI20: Reduce system timer and clocksource to 3 MHz Paul Cercueil
2018-12-12 22:12 ` [PATCH v8 22/26] MIPS: CI20: defconfig: enable OST driver Paul Cercueil
2018-12-12 22:13 ` [PATCH v8 23/26] MIPS: GCW0: Move clocksource to TCU channel 2 Paul Cercueil
2018-12-12 22:13 ` [PATCH v8 24/26] MIPS: GCW0: Reduce system timer and clocksource to 750 kHz Paul Cercueil
2018-12-12 22:14 ` [PATCH v8 25/26] MIPS: GCW0: defconfig: Enable OST, watchdog, PWM drivers Paul Cercueil
2018-12-12 22:15 ` [PATCH v8 26/26] MIPS: jz4740: Drop obsolete code Paul Cercueil
2019-01-24 21:26 ` [PATCH v8 00/26] Ingenic TCU patchset v8 Mathieu Malaterre
2019-01-24 21:41   ` Paul Cercueil [this message]
2019-01-25  8:21     ` Mathieu Malaterre
2019-01-25 17:04       ` Paul Cercueil

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