From: Tony Lindgren <tony@atomide.com>
To: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>,
nm@ti.com, Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
Sekhar Nori <nsekhar@ti.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: AMx3xx: Allow low level debugging on all UARTs
Date: Wed, 22 Jun 2016 03:04:46 -0700 [thread overview]
Message-ID: <20160622100444.GH22406@atomide.com> (raw)
In-Reply-To: <20160621120758.28732-1-lokeshvutla@ti.com>
* Lokesh Vutla <lokeshvutla@ti.com> [160621 05:10]:
> AM33xx/AM43xx Soc has 6 UART interfaces. Any of these 6 UARTs can be used as
> serial console as defined by the specific board design and passing a proper
> console bootarg. Given this, we should be able to use any UART(that is
> used as serial console) for low level debugging. Currently only UART1 can
> be used for low level debugging. So, adding support for all other UARTs
> instead of waiting for new board with a different UART console.
Well we should just switch over to the standard 8250 debug code
instead. With multiarch the port detection for debug_ll port is
no longer needed. And we can still keep the Kconfig options for
various ports.
Regards,
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: AMx3xx: Allow low level debugging on all UARTs
Date: Wed, 22 Jun 2016 03:04:46 -0700 [thread overview]
Message-ID: <20160622100444.GH22406@atomide.com> (raw)
In-Reply-To: <20160621120758.28732-1-lokeshvutla@ti.com>
* Lokesh Vutla <lokeshvutla@ti.com> [160621 05:10]:
> AM33xx/AM43xx Soc has 6 UART interfaces. Any of these 6 UARTs can be used as
> serial console as defined by the specific board design and passing a proper
> console bootarg. Given this, we should be able to use any UART(that is
> used as serial console) for low level debugging. Currently only UART1 can
> be used for low level debugging. So, adding support for all other UARTs
> instead of waiting for new board with a different UART console.
Well we should just switch over to the standard 8250 debug code
instead. With multiarch the port detection for debug_ll port is
no longer needed. And we can still keep the Kconfig options for
various ports.
Regards,
Tony
next prev parent reply other threads:[~2016-06-22 10:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-21 12:07 [PATCH] ARM: AMx3xx: Allow low level debugging on all UARTs Lokesh Vutla
2016-06-21 12:07 ` Lokesh Vutla
2016-06-22 10:04 ` Tony Lindgren [this message]
2016-06-22 10:04 ` Tony Lindgren
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