diff options
| author | Maxime Coquelin <mcoquelin.stm32@gmail.com> | 2015-05-09 10:53:54 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2015-05-15 22:43:23 +0300 |
| commit | 9b799b78372c925d3204567741e3ff8fe0cc1c7d (patch) | |
| tree | e956041743bb2b3b39d6ff65cc1c684bf2883005 /arch | |
| parent | 7448adca9361b4ad97614a08c487e215f1990ad7 (diff) | |
| download | linux-9b799b78372c925d3204567741e3ff8fe0cc1c7d.tar.xz | |
ARM: Add STM32 family machine
STMicrolectronics's STM32 series is a family of Cortex-M
microcontrollers. It is used in various applications, and
proposes a wide range of peripherals.
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 18 | ||||
| -rw-r--r-- | arch/arm/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-stm32/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-stm32/Makefile.boot | 3 | ||||
| -rw-r--r-- | arch/arm/mach-stm32/board-dt.c | 19 |
5 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7cd23bb03244..99544479ab01 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -758,6 +758,24 @@ config ARCH_OMAP1 help Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx) +config ARCH_STM32 + bool "STMicrolectronics STM32" + depends on !MMU + select ARCH_HAS_RESET_CONTROLLER + select ARM_NVIC + select ARMV7M_SYSTICK + select AUTO_ZRELADDR + select CLKSRC_OF + select COMMON_CLK + select CPU_V7M + select GENERIC_CLOCKEVENTS + select NO_IOPORT_MAP + select RESET_CONTROLLER + select SPARSE_IRQ + select USE_OF + help + Support for STMicroelectronics STM32 processors. + endchoice menu "Multiple platform selection" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index fe8f9ef89395..d7af1922f56f 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -196,6 +196,7 @@ machine-$(CONFIG_ARCH_SHMOBILE) += shmobile machine-$(CONFIG_ARCH_SIRF) += prima2 machine-$(CONFIG_ARCH_SOCFPGA) += socfpga machine-$(CONFIG_ARCH_STI) += sti +machine-$(CONFIG_ARCH_STM32) += stm32 machine-$(CONFIG_ARCH_SUNXI) += sunxi machine-$(CONFIG_ARCH_TEGRA) += tegra machine-$(CONFIG_ARCH_U300) += u300 diff --git a/arch/arm/mach-stm32/Makefile b/arch/arm/mach-stm32/Makefile new file mode 100644 index 000000000000..bd0b7b5d6e9d --- /dev/null +++ b/arch/arm/mach-stm32/Makefile @@ -0,0 +1 @@ +obj-y += board-dt.o diff --git a/arch/arm/mach-stm32/Makefile.boot b/arch/arm/mach-stm32/Makefile.boot new file mode 100644 index 000000000000..eacfc3f5c33e --- /dev/null +++ b/arch/arm/mach-stm32/Makefile.boot @@ -0,0 +1,3 @@ +# Empty file waiting for deletion once Makefile.boot isn't needed any more. +# Patch waits for application at +# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 . diff --git a/arch/arm/mach-stm32/board-dt.c b/arch/arm/mach-stm32/board-dt.c new file mode 100644 index 000000000000..f2ad7723d034 --- /dev/null +++ b/arch/arm/mach-stm32/board-dt.c @@ -0,0 +1,19 @@ +/* + * Copyright (C) Maxime Coquelin 2015 + * Author: Maxime Coquelin <mcoquelin.stm32@gmail.com> + * License terms: GNU General Public License (GPL), version 2 + */ + +#include <linux/kernel.h> +#include <asm/v7m.h> +#include <asm/mach/arch.h> + +static const char *const stm32_compat[] __initconst = { + "st,stm32f429", + NULL +}; + +DT_MACHINE_START(STM32DT, "STM32 (Device Tree Support)") + .dt_compat = stm32_compat, + .restart = armv7m_restart, +MACHINE_END |