linux-kernel - [PATCH v5 07/11] ARM: introduce ARM_SINGLE

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Message-Id: <1428609855-27657-8-git-send-email-stefan@agner.ch>
Date:	Thu,  9 Apr 2015 22:04:11 +0200
From:	Stefan Agner <stefan@...er.ch>
To:	shawn.guo@...aro.org, kernel@...gutronix.de,
	linux@....linux.org.uk, u.kleine-koenig@...gutronix.de,
	jason@...edaemon.net, olof@...om.net, arnd@...db.de,
	daniel.lezcano@...aro.org, tglx@...utronix.de,
	mark.rutland@....com, pawel.moll@....com, robh+dt@...nel.org,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	marc.zyngier@....com, mcoquelin.stm32@...il.com
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: [PATCH v5 07/11] ARM: introduce ARM_SINGLE_ARMV7M for ARMv7-M platforms

This introduces a new top level config symbol ARM_SINGLE_ARMV7M
for non-MMU, ARMv7-M platforms. It also support multiple ARMv7-M
platforms in one kernel image since the cores share the same
basic memory layout and interrupt controller. However, this works
only if the combined platforms also have a similar (main) memory
layout.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 arch/arm/Kconfig | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9f1f09a..66e60af 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -323,6 +323,19 @@ config ARCH_MULTIPLATFORM
 	select SPARSE_IRQ
 	select USE_OF
 
+config ARM_SINGLE_ARMV7M
+	bool "ARMv7-M based platforms (Cortex-M0/M3/M4)"
+	depends on !MMU
+	select ARCH_WANT_OPTIONAL_GPIOLIB
+	select ARM_NVIC
+	select CLKSRC_OF
+	select COMMON_CLK
+	select CPU_V7M
+	select GENERIC_CLOCKEVENTS
+	select NO_IOPORT_MAP
+	select SPARSE_IRQ
+	select USE_OF
+
 config ARCH_REALVIEW
 	bool "ARM Ltd. RealView family"
 	select ARCH_WANT_OPTIONAL_GPIOLIB
-- 
2.3.5

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