linux-kernel - Re: [PATCH CFT] arm: omap1: Migrate debug

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Message-ID: <20140717171250.GC16324@ambient.musicnaut.iki.fi>
Date:	Thu, 17 Jul 2014 20:12:50 +0300
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	Daniel Thompson <daniel.thompson@...aro.org>
Cc:	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	patches@...aro.org, linaro-kernel@...ts.linaro.org,
	Russell King <linux@....linux.org.uk>,
	Tony Lindgren <tony@...mide.com>,
	Arnd Bergmann <arnd.bergmann@...aro.org>
Subject: Re: [PATCH CFT] arm: omap1: Migrate debug_ll macros to use 8250.S

Hi,

On Thu, Jul 17, 2014 at 11:54:04AM +0100, Daniel Thompson wrote:
> The omap1's debug-macro.S is similar to the generic 8250 code. Compared to
> the 8520 code the omap1 macro automatically determines what UART to use
> based on breadcrumbs left by the bootloader and automatically copes with
> the eccentric register layout on OMAP7XX.

[...]

> +	config DEBUG_OMAP1UART1
> +		bool "Kernel low-level debugging via OMAP1 UART1"
> +		depends on ARCH_OMAP1 && !ARCH_OMAP730

Did you try this with omap1_defconfig and then running menuconfig to see
how it looks like? The patch allows to select only OMAP730 ports,
but the kernel should be bootable on all core types...

A.
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