linux-kernel - [PATCH v6 08/12] ARM: introduce ARM_SINGLE

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Date:	Sat,  9 May 2015 22:39:38 +0200
From:	Stefan Agner <stefan@...er.ch>
To:	shawn.guo@...aro.org, kernel@...gutronix.de, jason@...edaemon.net,
	marc.zyngier@....com
Cc:	linux@....linux.org.uk, u.kleine-koenig@...gutronix.de,
	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, mcoquelin.stm32@...il.com,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: [PATCH v6 08/12] 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 45df48b..2361efc 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -329,6 +329,19 @@ 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
-- 
2.4.0

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