From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Alexey Galakhov <agalakhov@domain.hid>
Cc: adeos-main@gna.org
Subject: Re: [Adeos-main] mini2440: ipipe kernel stuck in idle loop after xenomai init
Date: Thu, 05 May 2011 16:42:36 +0200 [thread overview]
Message-ID: <4DC2B75C.8030503@domain.hid> (raw)
In-Reply-To: <4DC2B06B.9020303@domain.hid>
On 05/05/2011 04:12 PM, Alexey Galakhov wrote:
> On 05/05/2011 08:02 PM, Gilles Chanteperdrix wrote:
>> On 05/05/2011 03:16 PM, Alexey Galakhov wrote:
>>> May it be caused by the following code from plat-samsung/time.c ?
>>>
>>> static inline void set_dec(unsigned long reload)
>>> {
>>> __raw_writel(reload, S3C2410_TCNTB(4)); /* <-------- In fact,
>>> TCNT is 16-bit, so what if reload > 0xffff and reload & 0xffff == 0 ??? */
>> Try adding:
>>
>> if (reload > 0xffff)
>> reload = 0xffff;
>>
>> before the raw_writel
> No effect. It may make sense but does not fix this bug.
It may also happen that the timer has a lower limit, when the reload
parameter is below this limit, you shoud call ipipe_trigger_irq, as
explained in the porting guide.
--
Gilles.
next prev parent reply other threads:[~2011-05-05 14:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-05 12:20 [Adeos-main] mini2440: ipipe kernel stuck in idle loop after xenomai init Alexey Galakhov
2011-05-05 12:37 ` Gilles Chanteperdrix
2011-05-05 12:58 ` Alexey Galakhov
2011-05-05 13:16 ` Alexey Galakhov
2011-05-05 14:02 ` Gilles Chanteperdrix
2011-05-05 14:12 ` Alexey Galakhov
2011-05-05 14:42 ` Gilles Chanteperdrix [this message]
2011-05-05 15:23 ` Alexey Galakhov
2011-05-05 15:36 ` Gilles Chanteperdrix
[not found] ` <4DC2D0C9.3020605@domain.hid>
[not found] ` <4DC2DDC6.8090909@domain.hid>
2011-05-06 9:28 ` Alexey Galakhov
2011-05-06 9:33 ` Gilles Chanteperdrix
2011-05-11 10:29 ` Alexey Galakhov
2011-05-11 10:50 ` Gilles Chanteperdrix
2011-05-11 12:24 ` Gilles Chanteperdrix
2011-05-11 12:35 ` Alexey Galakhov
2011-05-11 23:51 ` Gilles Chanteperdrix
2011-05-06 9:55 ` Gilles Chanteperdrix
2011-05-06 10:44 ` Alexey Galakhov
2011-05-06 11:02 ` Alexey Galakhov
2011-05-06 9:32 ` Alexey Galakhov
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