From mboxrd@z Thu Jan 1 00:00:00 1970 From: stefan@agner.ch (Stefan Agner) Date: Wed, 20 May 2015 00:03:51 +0200 Subject: [PATCH soc v8 2/3] ARM: introduce ARM_SINGLE_ARMV7M for ARMv7-M platforms In-Reply-To: <1432073032-26561-1-git-send-email-stefan@agner.ch> References: <1432073032-26561-1-git-send-email-stefan@agner.ch> Message-ID: <1432073032-26561-3-git-send-email-stefan@agner.ch> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- arch/arm/Kconfig | 13 +++++++++++++ arch/arm/Kconfig.debug | 5 +++-- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 80a2a14..75920ed 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 diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 1515cb6..8478be2 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1571,7 +1571,7 @@ config DEBUG_UART_8250_FLOW_CONTROL config DEBUG_UNCOMPRESS bool - depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG + depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ (!DEBUG_TEGRA_UART || !ZBOOT_ROM) help @@ -1589,7 +1589,8 @@ config UNCOMPRESS_INCLUDE string default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ PLAT_SAMSUNG || ARCH_EFM32 || \ - ARCH_SHMOBILE_LEGACY || ARCH_LPC18XX + ARCH_SHMOBILE_LEGACY || \ + ARCH_LPC18XX || ARM_SINGLE_ARMV7M default "mach/uncompress.h" config EARLY_PRINTK -- 2.4.1