linux-kernel - [PATCH CFT] ARM:SHMOBILE: Enable AUTO

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Message-Id: <1389256274-6308-1-git-send-email-panchaxari.prasannamurthy@linaro.org>
Date:	Thu,  9 Jan 2014 14:01:14 +0530
From:	panchaxari <panchaxari.prasannamurthy@...aro.org>
To:	horms@...ge.net.au
Cc:	patches@...aro.org, linaro-kernel@...ts.linaro.org,
	panchaxari.prasannamurthy@...aro.org,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	Magnus Damm <damm@...nsource.se>,
	Russell King <linux@....linux.org.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-sh@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH CFT] ARM:SHMOBILE: Enable AUTO_ZRELADDR by default

This patch enables AUTO_ZRELADDR as default config to Renasas R-Mobile and
SH-Mobile platforms.

AUTO_ZRELADDR config enables auto calculation of the decompressed kernel image
address. AUTO_ZRELADDR config is mutually exclusive to ZBOOT_ROM, and also
assumes zImage to be loaded in the first 128MiB from start of memory.

CFT::Call For Testing

Requesting maintainers of R-Mobile and SH-Mobile platforms to evaluate the
changes on the board and comment, as I dont have the board for testing, and
also requesting an ACK.

Signed-off-by: panchaxari <panchaxari.prasannamurthy@...aro.org>
Cc: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
Cc: Simon Horman <horms@...ge.net.au>
Cc: Magnus Damm <damm@...nsource.se>
Cc: Russell King <linux@....linux.org.uk>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: linux-sh@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
Below lkml link is a quoting by Russell which clears the concept of PHYS_VIRT
and ZRELADDR
---------------------------------------------------

https://lkml.org/lkml/2011/10/14/434

-------------------------------------------------
---
 arch/arm/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8e668e2..077ef9d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -674,6 +674,7 @@ config ARCH_MSM
 config ARCH_SHMOBILE
 	bool "Renesas SH-Mobile / R-Mobile"
 	select ARM_PATCH_PHYS_VIRT
+	select AUTO_ZRELADDR
 	select CLKDEV_LOOKUP
 	select GENERIC_CLOCKEVENTS
 	select HAVE_ARM_SCU if SMP
-- 
1.7.10.4

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