linux-kernel - [PATCH CFT] ARM:MMP: Enable ARM_PATCH_PHYS

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Message-Id: <1386222830-7681-2-git-send-email-panchaxari.prasannamurthy@linaro.org>
Date:	Thu,  5 Dec 2013 11:23:50 +0530
From:	panchaxari <panchaxari.prasannamurthy@...aro.org>
To:	linus.walleij@...aro.org
Cc:	eric.y.miao@...il.com, haojian.zhuang@...il.com,
	linux@....linux.org.uk, patches@...aro.org,
	linaro-kernel@...ts.linaro.org,
	panchaxari <panchaxari.prasannamurthy@...aro.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH CFT] ARM:MMP: Enable ARM_PATCH_PHYS_VIRT and ZRELADDR default

ARM_PATCH_PHYS_VIRT and AUTO_ZRELADDR has been enabled as default configs
to Marvell PXA168/910/MMP2 platforms.

Introduction of PHYS_VIRT config as default would enable phy-to-virt and
virt-to-phy translation function at boot and module loading time
and enforce dynamic reallocation of memory. AUTO_ZRELADDR config would
enable calculation of kernel load address at run time.

PHYS_VIRT config is mutually exclusive to XIP_KERNEL, XIP_KERNEL is used in
systems with NOR flash devices, and ZRELADDR config is mutually exclusive
to ZBOOT_ROM.

CFT::Call For Testing

Requesting maintainers of Marvell PXA168/910/MMP2 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: Eric Miao <eric.y.miao@...il.com>
Cc: Haojian Zhuang <haojian.zhuang@...il.com>
Cc: Russell King <linux@....linux.org.uk>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 arch/arm/Kconfig |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 79ba1a8..13621ed 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -560,6 +560,8 @@ config ARCH_MMP
 	bool "Marvell PXA168/910/MMP2"
 	depends on MMU
 	select ARCH_REQUIRE_GPIOLIB
+	select ARM_PATCH_PHYS_VIRT
+	select AUTO_ZRELADDR
 	select CLKDEV_LOOKUP
 	select GENERIC_ALLOCATOR
 	select GENERIC_CLOCKEVENTS
-- 
1.7.10.4

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