From: Stefan Agner Date: Tue, 19 May 2015 22:03:51 +0000 (+0200) Subject: ARM: introduce ARM_SINGLE_ARMV7M for ARMv7-M platforms X-Git-Tag: firefly_0821_release~176^2~1557^2~18 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9c77bc438f88366e2e42c229b4aff52d4693e5c9;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Arnd Bergmann --- diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 80a2a14df604..75920edec3cc 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 2ea7f564ad98..9553759bf922 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1579,7 +1579,7 @@ 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 @@ -1597,7 +1597,8 @@ 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