From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Stephan Kappertz <stephan.kappertz@kabelmail.de>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] Xenomai 2.6.1 on beaglebone (TI AM3359 SoC)
Date: Fri, 13 Jul 2012 09:32:06 +0200 [thread overview]
Message-ID: <4FFFCEF6.3010300@xenomai.org> (raw)
In-Reply-To: <8A91EB22-F549-4065-A21E-043AA6DD9BC1@kabelmail.de>
On 07/13/2012 09:09 AM, Stephan Kappertz wrote:
> Hi Gilles,
>
> the problem was not the .config file but the fact that CONFIG_OMAP_32K_TIMER was ignored for the AM3359 implementation.
>
> So in arch/arm/mach_omap2/timer.c I changed
>
> --------------------------------------------
> #ifdef CONFIG_ARCH_OMAP3
> #ifndef CONFIG_IPIPE
> OMAP_SYS_TIMER_INIT(3, 1, OMAP3_CLKEV_SOURCE, 2, OMAP3_MPU_SOURCE)
> #else
> OMAP_SYS_TIMER_INIT(3, 2, OMAP3_CLKEV_SOURCE, 3, OMAP3_MPU_SOURCE)
> #endif
> OMAP_SYS_TIMER(3)
> OMAP_SYS_TIMER_INIT(3_secure, OMAP3_SECURE_TIMER, OMAP3_CLKEV_SOURCE,
> 2, OMAP3_MPU_SOURCE)
> OMAP_SYS_TIMER(3_secure)
> OMAP_SYS_TIMER_INIT(3_am33xx, 2, OMAP4_MPU_SOURCE, 1, AM33XX_RTC32K_SOURCE) <--- ignoring CONFIG_OMAP_32K_TIMER here
> OMAP_SYS_TIMER(3_am33xx)
>
> #endif
> --------------------------------------------
>
> to
>
> --------------------------------------------
> #ifdef CONFIG_ARCH_OMAP3
>
> #ifndef CONFIG_SOC_OMAPAM33XX
>
> #ifndef CONFIG_IPIPE
> OMAP_SYS_TIMER_INIT(3, 1, OMAP3_CLKEV_SOURCE, 2, OMAP3_MPU_SOURCE)
> #else
> OMAP_SYS_TIMER_INIT(3, 2, OMAP3_CLKEV_SOURCE, 3, OMAP3_MPU_SOURCE)
> #endif
> OMAP_SYS_TIMER(3)
> OMAP_SYS_TIMER_INIT(3_secure, OMAP3_SECURE_TIMER, OMAP3_CLKEV_SOURCE,
> 2, OMAP3_MPU_SOURCE)
> OMAP_SYS_TIMER(3_secure)
>
> #else // #ifdef CONFIG_SOC_OMAPAM33XX
>
> #ifndef CONFIG_IPIPE
> OMAP_SYS_TIMER_INIT(3_am33xx, 2, AM33XX_CLKEV_SOURCE, 1, AM33XX_MPU_SOURCE)
> #else
> OMAP_SYS_TIMER_INIT(3_am33xx, 2, AM33XX_CLKEV_SOURCE, 3, AM33XX_MPU_SOURCE)
> #endif
> OMAP_SYS_TIMER(3_am33xx)
>
> #endif
>
> #endif
> --------------------------------------------
>
> With the AM33XX_CLKEV_SOURCE and AM33XX_MPU_SOURCE defined as
>
> --------------------------------------------
> #define OMAP4_MPU_SOURCE "sys_clkin_ck"
> #define AM33XX_MPU_SOURCE OMAP4_MPU_SOURCE
> #define AM33XX_RTC32K_SOURCE "clk_32768_ck"
>
> #ifdef CONFIG_OMAP_32K_TIMER
> #define AM33XX_CLKEV_SOURCE AM33XX_RTC32K_SOURCE
> #define OMAP3_SECURE_TIMER 12
> #else
> #define AM33XX_CLKEV_SOURCE OMAP4_MPU_SOURCE
> #define OMAP3_SECURE_TIMER 1
> #endif
> --------------------------------------------
>
> That fixes the clock rate but otherwise does not change the fact that I'm stuck in a non ack'd interrupt at boot:
The problem comes from the flow handler change. The simplest fix is to
use the default flow handler. Is there any place I can download the
patch to have a look at it?
--
Gilles.
next prev parent reply other threads:[~2012-07-13 7:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-12 19:54 [Xenomai] Xenomai 2.6.1 on beaglebone (TI AM3359 SoC) Stephan Kappertz
2012-07-12 20:30 ` Gilles Chanteperdrix
2012-07-12 20:47 ` Gilles Chanteperdrix
2012-07-13 7:09 ` Stephan Kappertz
2012-07-13 7:32 ` Gilles Chanteperdrix [this message]
2012-07-13 9:00 ` Gilles Chanteperdrix
2012-07-13 9:15 ` Gilles Chanteperdrix
2012-07-13 14:37 ` Stephan Kappertz
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