From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 14/18] ARM: Add STM32 family machine
Date: Fri, 20 Feb 2015 21:00:19 +0100 [thread overview]
Message-ID: <20150220200019.GU19388@pengutronix.de> (raw)
In-Reply-To: <1424455277-29983-15-git-send-email-mcoquelin.stm32@gmail.com>
Hello,
On Fri, Feb 20, 2015 at 07:01:13PM +0100, Maxime Coquelin wrote:
> STMicrolectronics's STM32 series is a family of Cortex-M
> microcontrollers. It is used in various applications, and
> proposes a wide range of peripherals.
>
> Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
> ---
> Documentation/arm/stm32/overview.txt | 32 ++++++++++++++++++++++++++
> Documentation/arm/stm32/stm32f429-overview.txt | 22 ++++++++++++++++++
> arch/arm/Kconfig | 22 ++++++++++++++++++
> arch/arm/Makefile | 1 +
> arch/arm/mach-stm32/Makefile | 1 +
> arch/arm/mach-stm32/Makefile.boot | 0
> arch/arm/mach-stm32/board-dt.c | 31 +++++++++++++++++++++++++
> 7 files changed, 109 insertions(+)
> create mode 100644 Documentation/arm/stm32/overview.txt
> create mode 100644 Documentation/arm/stm32/stm32f429-overview.txt
> create mode 100644 arch/arm/mach-stm32/Makefile
> create mode 100644 arch/arm/mach-stm32/Makefile.boot
> create mode 100644 arch/arm/mach-stm32/board-dt.c
>
> diff --git a/Documentation/arm/stm32/overview.txt b/Documentation/arm/stm32/overview.txt
> new file mode 100644
> index 0000000..d8bf6bb
> --- /dev/null
> +++ b/Documentation/arm/stm32/overview.txt
> @@ -0,0 +1,32 @@
> + STM32 ARM Linux Overview
> + ==========================
> +
> +Introduction
> +------------
> +
> + The STMicroelectronics family of Cortex-M based MCUs are supported by the
> + 'STM32' platform of ARM Linux. Currently only the STM32F429 is supported.
> +
> +
> +Configuration
> +-------------
> +
> + A generic configuration is provided for STM32 family, and can be used as the
> + default by
> + make stm32_defconfig
> +
> +Layout
> +------
> +
> + All the files for multiple machine families are located in the platform code
> + contained in arch/arm/mach-stm32
> +
> + There is a generic board board-dt.c in the mach folder which support
> + Flattened Device Tree, which means, It works with any compatible board with
> + Device Trees.
> +
> +
> +Document Author
> +---------------
> +
> + Maxime Coquelin <mcoquelin.stm32@gmail.com>
> diff --git a/Documentation/arm/stm32/stm32f429-overview.txt b/Documentation/arm/stm32/stm32f429-overview.txt
> new file mode 100644
> index 0000000..5206822
> --- /dev/null
> +++ b/Documentation/arm/stm32/stm32f429-overview.txt
> @@ -0,0 +1,22 @@
> + STM32F429 Overview
> + ==================
> +
> + Introduction
> + ------------
> + The STM32F429 is a Cortex-M4 MCU aimed at various applications.
> + It features:
> + - ARM Cortex-M4 up to 180MHz with FPU
> + - 2MB internal Flash Memory
> + - External memory support through FMC controller (PSRAM, SDRAM, NOR, NAND)
> + - I2C, SPI, SAI, CAN, USB OTG, Ethernet controllers
> + - LCD controller & Camera interface
> + - Cryptographic processor
> +
> + Resources
> + ---------
> + Datasheet and reference manual are publicly available on ST website:
> + - http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1577/LN1806?ecmp=stm32f429-439_pron_pr-ces2014_nov2013
> +
> + Document Author
> + ---------------
> + Maxime Coquelin <mcoquelin.stm32@gmail.com>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 97d07ed..cfd9532 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -774,6 +774,28 @@ config ARCH_OMAP1
> help
> Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx)
>
> +config ARCH_STM32
> + bool "STMicrolectronics STM32"
> + depends on !MMU
> + select ARCH_REQUIRE_GPIOLIB
> + select ARM_NVIC
> + select AUTO_ZRELADDR
> + select ARCH_HAS_RESET_CONTROLLER
> + select RESET_CONTROLLER
> + select PINCTRL
> + select PINCTRL_STM32
> + select CLKSRC_OF
> + select ARMV7M_SYSTICK
> + select COMMON_CLK
> + select CPU_V7M
> + select GENERIC_CLOCKEVENTS
> + select NO_DMA
> + select NO_IOPORT_MAP
> + select SPARSE_IRQ
> + select USE_OF
Please sort this list alphabetically.
> + help
> + Support for STMicorelectronics STM32 processors.
> +
> endchoice
>
> menu "Multiple platform selection"
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index c1785ee..7d00659 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 0000000..bd0b7b5
> --- /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 0000000..e69de29
Maybe note there why this file exists and can be empty. Feel free to
copy the content of efm32's Makefile.boot.
> diff --git a/arch/arm/mach-stm32/board-dt.c b/arch/arm/mach-stm32/board-dt.c
> new file mode 100644
> index 0000000..1d681b3
> --- /dev/null
> +++ b/arch/arm/mach-stm32/board-dt.c
> @@ -0,0 +1,31 @@
> +/*
> + * 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 <linux/clk-provider.h>
> +#include <linux/clocksource.h>
> +#include <linux/reset-controller.h>
> +#include <asm/v7m.h>
> +#include <asm/mach/arch.h>
> +
> +static const char *const stm32_compat[] __initconst = {
> + "st,stm32f429",
> + NULL
> +};
> +
> +static void __init stm32_timer_init(void)
> +{
> + of_clk_init(NULL);
> + reset_controller_of_init();
> + clocksource_of_init();
Hmm, if reset_controller_of_init was called automatically you wouldn't
need that, right? Maybe arange for that instead?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2015-02-20 20:00 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-20 18:00 [PATCH v2 00/18] Add support to STMicroelectronics STM32 family Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 01/18] scripts: link-vmlinux: Don't pass page offset to kallsyms if XIP Kernel Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 02/18] ARM: ARMv7M: Enlarge vector table to 256 entries Maxime Coquelin
2015-02-20 19:47 ` Uwe Kleine-König
2015-02-23 10:33 ` Maxime Coquelin
2015-02-26 10:29 ` Maxime Coquelin
2015-02-26 10:43 ` Uwe Kleine-König
2015-03-09 0:29 ` Stefan Agner
2015-03-09 17:12 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 03/18] dt-bindings: Document the ARM System timer bindings Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 04/18] clocksource: Add ARM System timer driver Maxime Coquelin
2015-02-20 19:54 ` Uwe Kleine-König
2015-02-20 21:48 ` Paul Bolle
2015-03-02 16:53 ` Maxime Coquelin
2015-03-03 19:43 ` Paul Bolle
2015-03-04 12:08 ` Maxime Coquelin
2015-03-09 21:12 ` Paul Bolle
2015-03-09 22:17 ` Uwe Kleine-König
2015-03-09 15:50 ` Linus Walleij
2015-03-09 17:00 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 05/18] reset: Add reset_controller_of_init() function Maxime Coquelin
2015-03-10 15:00 ` Arnd Bergmann
2015-03-10 15:28 ` Maxime Coquelin
2015-03-10 20:19 ` Arnd Bergmann
2015-03-10 21:30 ` Rob Herring
2015-03-12 21:08 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 06/18] dt-bindings: Document the STM32 reset bindings Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 07/18] drivers: reset: Add STM32 reset driver Maxime Coquelin
2015-03-10 15:02 ` Arnd Bergmann
2015-03-10 15:41 ` Maxime Coquelin
2015-03-10 15:44 ` Maxime Coquelin
2015-03-10 20:21 ` Arnd Bergmann
2015-03-10 21:20 ` Maxime Coquelin
2015-03-11 13:08 ` Philipp Zabel
2015-03-12 21:05 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 08/18] dt-bindings: Document the STM32 timer bindings Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 09/18] clockevent: Add STM32 Timer driver Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 10/18] dt-bindings: Document the STM32 pin controller Maxime Coquelin
2015-03-06 9:12 ` Linus Walleij
2015-03-06 9:35 ` Linus Walleij
2015-02-20 18:01 ` [PATCH v2 11/18] pinctrl: Add pinctrl driver for STM32 MCUs Maxime Coquelin
2015-03-06 9:24 ` Linus Walleij
2015-03-06 9:57 ` Maxime Coquelin
2015-03-10 15:08 ` Arnd Bergmann
2015-03-18 1:08 ` Linus Walleij
2015-02-20 18:01 ` [PATCH v2 12/18] dt-bindings: Document the STM32 USART bindings Maxime Coquelin
2015-03-10 15:08 ` Arnd Bergmann
2015-03-10 15:45 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 13/18] serial: stm32-usart: Add STM32 USART Driver Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 14/18] ARM: Add STM32 family machine Maxime Coquelin
2015-02-20 18:33 ` Peter Meerwald
2015-02-25 11:52 ` Maxime Coquelin
2015-02-20 20:00 ` Uwe Kleine-König [this message]
2015-02-20 21:37 ` Paul Bolle
2015-02-25 12:04 ` Maxime Coquelin
2015-02-25 12:03 ` Maxime Coquelin
2015-03-10 15:10 ` Arnd Bergmann
2015-02-20 18:01 ` [PATCH v2 15/18] ARM: dts: Add ARM System timer as clockevent in armv7m Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 16/18] ARM: dts: Introduce STM32F429 MCU Maxime Coquelin
2015-03-02 17:42 ` Andreas Färber
2015-03-03 17:59 ` Maxime Coquelin
2015-03-09 14:39 ` Linus Walleij
2015-03-09 16:51 ` Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 17/18] ARM: configs: Add STM32 defconfig Maxime Coquelin
2015-02-20 18:01 ` [PATCH v2 18/18] MAINTAINERS: Add entry for STM32 MCUs Maxime Coquelin
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