From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] ARM: AMx3xx: Allow low level debugging on all UARTs Date: Wed, 22 Jun 2016 03:04:46 -0700 Message-ID: <20160622100444.GH22406@atomide.com> References: <20160621120758.28732-1-lokeshvutla@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20160621120758.28732-1-lokeshvutla@ti.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Lokesh Vutla Cc: Tero Kristo , nm@ti.com, Linux OMAP Mailing List , Sekhar Nori , linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org * Lokesh Vutla [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