linux-kernel - Re: [PATCH v2] ARM: brcmstb: Add earlyprintk support using run-time checks

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Date:	Tue, 19 Jul 2016 17:44:31 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Russell King <linux@...linux.org.uk>,
	Brian Norris <computersforpeace@...il.com>,
	Gregory Fong <gregory.0xf0@...il.com>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	open list <linux-kernel@...r.kernel.org>,
	"open list:BROADCOM BCM7XXX ARM ARCHITECTURE" 
	<bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH v2] ARM: brcmstb: Add earlyprintk support using run-time
 checks

On 07/11/2016 04:56 PM, Florian Fainelli wrote:
> The SUN_TOP_CTRL_FAMILY_ID register  is at a fixed absolute address for
> all of our supported chips, so utilize its value to determine what the
> UARTA base address should be based on the value we read.
> 
> Since the code is called both during decompressor when the MMU is off,
> and after the MMU has been turned on in the kernel, and we want to do
> the lookup only once, we use the same technique as tegra.S and have a
> shared storage location between the decompressor and the kernel.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied to soc/next.
-- 
Florian