From: Benjamin Tietz benjamin@micronet24.de
This patch adds the DTS configuration files needed for the STM32F429-Discovery board, as they can be found in a current Linux Kernel. --- arch/arm/dts/Makefile | 2 arch/arm/dts/armv7-m.dtsi | 24 +++++ arch/arm/dts/stm32429i-eval.dts | 75 +++++++++++++++ arch/arm/dts/stm32f429-disco.dts | 75 +++++++++++++++ arch/arm/dts/stm32f429.dtsi | 190 ++++++++++++++++++++++++++++++++++++++ 5 files changed, 366 insertions(+) create mode 100644 arch/arm/dts/armv7-m.dtsi create mode 100644 arch/arm/dts/stm32429i-eval.dts create mode 100644 arch/arm/dts/stm32f429-disco.dts create mode 100644 arch/arm/dts/stm32f429.dtsi
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index a827613..ff5fe03 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -103,6 +103,8 @@ dtb-$(CONFIG_AM43XX) += am437x-gp-evm.dtb am437x-sk-evm.dtb \ am437x-idk-evm.dtb dtb-$(CONFIG_THUNDERX) += thunderx-88xx.dtb
+dtb-$(CONFIG_STM32F4) += stm32f429-disco.dtb + dtb-$(CONFIG_ARCH_SOCFPGA) += \ socfpga_arria5_socdk.dtb \ socfpga_cyclone5_mcvevk.dtb \ diff --git a/arch/arm/dts/armv7-m.dtsi b/arch/arm/dts/armv7-m.dtsi new file mode 100644 index 0000000..b1ad7cf --- /dev/null +++ b/arch/arm/dts/armv7-m.dtsi @@ -0,0 +1,24 @@ +#include "skeleton.dtsi" + +/ { + nvic: nv-interrupt-controller { + compatible = "arm,armv7m-nvic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0xe000e100 0xc00>; + }; + + systick: timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + status = "disabled"; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&nvic>; + ranges; + }; +}; diff --git a/arch/arm/dts/stm32429i-eval.dts b/arch/arm/dts/stm32429i-eval.dts new file mode 100644 index 0000000..6964fc9 --- /dev/null +++ b/arch/arm/dts/stm32429i-eval.dts @@ -0,0 +1,75 @@ +/* + * Copyright 2015 - Maxime Coquelin mcoquelin.stm32@gmail.com + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this file; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "stm32f429.dtsi" + +/ { + model = "STMicroelectronics STM32429i-EVAL board"; + compatible = "st,stm32429i-eval", "st,stm32f429"; + + chosen { + bootargs = "root=/dev/ram rdinit=/linuxrc"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0xc0000000 0x2000000>; + }; + + aliases { + serial0 = &usart1; + }; +}; + +&clk_hse { + clock-frequency = <25000000>; +}; + +&usart1 { + status = "okay"; +}; diff --git a/arch/arm/dts/stm32f429-disco.dts b/arch/arm/dts/stm32f429-disco.dts new file mode 100644 index 0000000..2bae81c --- /dev/null +++ b/arch/arm/dts/stm32f429-disco.dts @@ -0,0 +1,75 @@ +/* + * Copyright 2015 - Maxime Coquelin mcoquelin.stm32@gmail.com + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this file; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "stm32f429.dtsi" + +/ { + model = "STMicroelectronics STM32F429i-DISCO board"; + compatible = "st,stm32f429i-disco", "st,stm32f429"; + + chosen { + bootargs = "root=/dev/ram"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0x90000000 0x800000>; + }; + + aliases { + serial0 = &usart1; + }; +}; + +&clk_hse { + clock-frequency = <8000000>; +}; + +&usart1 { + status = "okay"; +}; diff --git a/arch/arm/dts/stm32f429.dtsi b/arch/arm/dts/stm32f429.dtsi new file mode 100644 index 0000000..5e1e234 --- /dev/null +++ b/arch/arm/dts/stm32f429.dtsi @@ -0,0 +1,190 @@ +/* + * Copyright 2015 - Maxime Coquelin mcoquelin.stm32@gmail.com + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this file; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "armv7-m.dtsi" + +/ { + clocks { + clk_hse: clk-hse { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <0>; + }; + }; + + soc { + timer2: timer@40000000 { + compatible = "st,stm32-timer"; + reg = <0x40000000 0x400>; + interrupts = <28>; + clocks = <&rcc 0 128>; + status = "disabled"; + }; + + timer3: timer@40000400 { + compatible = "st,stm32-timer"; + reg = <0x40000400 0x400>; + interrupts = <29>; + clocks = <&rcc 0 129>; + status = "disabled"; + }; + + timer4: timer@40000800 { + compatible = "st,stm32-timer"; + reg = <0x40000800 0x400>; + interrupts = <30>; + clocks = <&rcc 0 130>; + status = "disabled"; + }; + + timer5: timer@40000c00 { + compatible = "st,stm32-timer"; + reg = <0x40000c00 0x400>; + interrupts = <50>; + clocks = <&rcc 0 131>; + }; + + timer6: timer@40001000 { + compatible = "st,stm32-timer"; + reg = <0x40001000 0x400>; + interrupts = <54>; + clocks = <&rcc 0 132>; + status = "disabled"; + }; + + timer7: timer@40001400 { + compatible = "st,stm32-timer"; + reg = <0x40001400 0x400>; + interrupts = <55>; + clocks = <&rcc 0 133>; + status = "disabled"; + }; + + usart2: serial@40004400 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40004400 0x400>; + interrupts = <38>; + clocks = <&rcc 0 145>; + status = "disabled"; + }; + + usart3: serial@40004800 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40004800 0x400>; + interrupts = <39>; + clocks = <&rcc 0 146>; + status = "disabled"; + }; + + usart4: serial@40004c00 { + compatible = "st,stm32-uart"; + reg = <0x40004c00 0x400>; + interrupts = <52>; + clocks = <&rcc 0 147>; + status = "disabled"; + }; + + usart5: serial@40005000 { + compatible = "st,stm32-uart"; + reg = <0x40005000 0x400>; + interrupts = <53>; + clocks = <&rcc 0 148>; + status = "disabled"; + }; + + usart7: serial@40007800 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40007800 0x400>; + interrupts = <82>; + clocks = <&rcc 0 158>; + status = "disabled"; + }; + + usart8: serial@40007c00 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40007c00 0x400>; + interrupts = <83>; + clocks = <&rcc 0 159>; + status = "disabled"; + }; + + usart1: serial@40011000 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40011000 0x400>; + interrupts = <37>; + clocks = <&rcc 0 164>; + status = "disabled"; + }; + + usart6: serial@40011400 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40011400 0x400>; + interrupts = <71>; + clocks = <&rcc 0 165>; + status = "disabled"; + }; + + rcc: rcc@40023810 { + #clock-cells = <2>; + compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; + reg = <0x40023800 0x400>; + clocks = <&clk_hse>; + }; + + rng: rng@50060800 { + compatible = "st,stm32-rng"; + reg = <0x50060800 0x400>; + interrupts = <80>; + clocks = <&rcc 0 38>; + }; + }; +}; + +&systick { + clocks = <&rcc 1 0>; + status = "okay"; +};