diff --git a/boards/Kconfig b/boards/Kconfig index bc401699f1..f98ae35c2b 100644 --- a/boards/Kconfig +++ b/boards/Kconfig @@ -1693,6 +1693,16 @@ config ARCH_BOARD_STM32F746_WS ---help--- Waveshare STM32F746 development board featuring the STM32F746IG MCU. +config ARCH_BOARD_B_G474E_DPOW1 + bool "ST Micro B-G474E-DPOW1 Discovery Kit" + depends on ARCH_CHIP_STM32G474R + select ARCH_HAVE_LEDS + select ARCH_HAVE_BUTTONS + ---help--- + ST Micro B-G474E-DPOW1 Discovery Kit, based on the STM32G474RET6 + MCU, a Cortex-M4 with FPU, 170 MHz, 128 KB SRAM, 512 KB code. + See boards/arm/stm32/b-g474e-dpow1/README.txt. + config ARCH_BOARD_B_L072Z_LRWAN1 bool "B-L072Z-LRWAN1" depends on ARCH_CHIP_STM32L072CZ @@ -2247,6 +2257,7 @@ config ARCH_BOARD default "stm32f769i-disco" if ARCH_BOARD_STM32F769I_DISCO default "stm32h747i-disco" if ARCH_BOARD_STM32H747I_DISCO default "stm32f746-ws" if ARCH_BOARD_STM32F746_WS + default "b-g474e-dpow1" if ARCH_BOARD_B_G474E_DPOW1 default "b-l072z-lrwan1" if ARCH_BOARD_B_L072Z_LRWAN1 default "b-l475e-iot01a" if ARCH_BOARD_B_L475E_IOT01A default "stm32l476vg-disco" if ARCH_BOARD_STM32L476VG_DISCO @@ -2553,6 +2564,9 @@ endif if ARCH_BOARD_SAMV71_XULT source "boards/arm/samv7/samv71-xult/Kconfig" endif +if ARCH_BOARD_B_G474E_DPOW1 +source "boards/arm/stm32/b-g474e-dpow1/Kconfig" +endif if ARCH_BOARD_B_L072Z_LRWAN1 source "boards/arm/stm32f0l0g0/b-l072z-lrwan1/Kconfig" endif diff --git a/boards/arm/stm32/b-g474e-dpow1/Kconfig b/boards/arm/stm32/b-g474e-dpow1/Kconfig new file mode 100644 index 0000000000..9aec68238e --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/Kconfig @@ -0,0 +1,21 @@ +# +# For a description of the syntax of this configuration file, +# see the file kconfig-language.txt in the NuttX tools repository. +# + +if ARCH_BOARD_B_G474E_DPOW1 + +#config SOME_CONFIG_INT +# int "Description" +# default 1 +# depends on FEATURE_X +# +#config SOME_CONFIG_BOOL +# bool "Description" +# default n if !FEATURE_X +# default y if FEATURE_X +# depends on FEATURE_Y +# ---help--- +# Help text goes here. + +endif # ARCH_BOARD_B_G474E_DPOW1 diff --git a/boards/arm/stm32/b-g474e-dpow1/README.txt b/boards/arm/stm32/b-g474e-dpow1/README.txt new file mode 100644 index 0000000000..1ed7e601a3 --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/README.txt @@ -0,0 +1,122 @@ +README +====== + +This is the README file for a port of NuttX to the ST Micro B-G474E-DPOW1 +Discovery kit with STM32G474RE MCU. For more information about this board, +see: + + https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-mpu-eval-tools/stm32-mcu-mpu-eval-tools/stm32-discovery-kits/b-g474e-dpow1.html + + +Contents +======== + + - Status + - Development Environment + - Toolchains + - Debugging + - Hardware + - MCU Clocking + - GPIOs + - Buttons + - LEDs + - RGB Power LED + - Serial Consoles + - Configurations + + +Status +====== + + This port boots NuttX through to a functional NSH prompt. + + +Development Environment +======================= + + Toolchains + ---------- + An appropriate ARM toolchain is needed, such as the one built with the + customized NuttX buildroot or the ready-made GNU Tools for Arm Embedded + Processors. + + + Debugging + --------- + The board incorporates a STLINK-V3E programmer/debugger accessible via the + Micro-USB Type B connector. + + To debug with OpenOCD and arm-nuttx-eabi-gdb: + + * Use 'make menuconfig' to set CONFIG_DEBUG_SYMBOLS and CONFIG_DEBUG_NOOPT. + To see debug output, e.g., the "ABCDE" printed in __start(), also set + CONFIG_DEBUG_FEATURES. + + * Build NuttX. + + * Flash the code using: + $ openocd -f interface/stlink.cfg -f target/stm32g4x.cfg -c init \ + -c "reset halt" -c "flash write_image erase nuttx.bin 0x08000000" + + * Start GDB with: + $ arm-nuttx-eabi-gdb -tui nuttx + + * In GDB: + (gdb) target remote localhost:3333 + (gdb) monitor reset halt + (gdb) load + + +Hardware +======== + + MCU Clocking + ------------ + By default, the MCU on this board is clocked from the MCU's internal HSI + clock, and only this option is supported by software at this time. + + If software support is added for it, the MCU could be clocked from the + following other sources: a 24 MHz oscillator on X2, MCO from STLINK-V3E, or + external clock from connector CN9, pin 26. + + + GPIOs + ----- + + + Buttons + ------- + The board has 5 user buttons in the form of a 4-direction "joystick" with a + selection button (pressing down on the "joystick"). + + + LEDs + ---- + The board has 4 user LEDs. + + + RGB Power LED + ------------- + The board has a super bright RGB power LED. + + Caution: For eye safety, ensure that the power LED is covered by the + diffuser that comes installed over it. + + +Serial Consoles +=============== + + The MCU's USART3 is connected to the on-board STLINK-V3E and exposed to + the PC as a Virtual COM Port over the same Micro-USB Type B connection used + for programming/debugging. + + On Debian Linux, this shows up as /dev/ttyACM0. Other operating systems may + differ. + + +Configurations +============== + + nsh + --- + diff --git a/boards/arm/stm32/b-g474e-dpow1/configs/nsh/defconfig b/boards/arm/stm32/b-g474e-dpow1/configs/nsh/defconfig new file mode 100644 index 0000000000..918a4ce819 --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/configs/nsh/defconfig @@ -0,0 +1,48 @@ +# +# This file is autogenerated: PLEASE DO NOT EDIT IT. +# +# You can use "make menuconfig" to make any modifications to the installed .config file. +# You can then do "make savedefconfig" to generate a new defconfig file that includes your +# modifications. +# +# CONFIG_ARCH_LEDS is not set +# CONFIG_DISABLE_OS_API is not set +# CONFIG_NSH_DISABLE_PRINTF is not set +CONFIG_ARCH="arm" +CONFIG_ARCH_BOARD="b-g474e-dpow1" +CONFIG_ARCH_BOARD_B_G474E_DPOW1=y +CONFIG_ARCH_BUTTONS=y +CONFIG_ARCH_CHIP="stm32" +CONFIG_ARCH_CHIP_STM32=y +CONFIG_ARCH_CHIP_STM32G474R=y +CONFIG_ARCH_HIPRI_INTERRUPT=y +CONFIG_ARCH_RAMVECTORS=y +CONFIG_ARCH_STACKDUMP=y +CONFIG_ARMV7M_USEBASEPRI=y +CONFIG_ARMV7M_LAZYFPU=y +CONFIG_ARMV7M_LIBM=y +CONFIG_ARMV7M_MEMCPY=y +CONFIG_DEBUG_FEATURES=y +CONFIG_DEBUG_SYMBOLS=y +CONFIG_LIBC_FLOATINGPOINT=y +CONFIG_LIBM=y +CONFIG_MAX_TASKS=16 +CONFIG_NFILE_DESCRIPTORS=8 +CONFIG_NFILE_STREAMS=8 +CONFIG_NSH_ARCHINIT=y +CONFIG_NSH_FILEIOSIZE=512 +CONFIG_NSH_LINELEN=64 +CONFIG_NSH_READLINE=y +CONFIG_PRIORITY_INHERITANCE=y +CONFIG_RAM_SIZE=98304 +CONFIG_RAM_START=0x20000000 +CONFIG_RAW_BINARY=y +CONFIG_SCHED_HPWORK=y +CONFIG_SCHED_LPWORK=y +CONFIG_SCHED_WAITPID=y +CONFIG_STM32_USART3=y +CONFIG_SYSTEM_NSH=y +CONFIG_USART3_SERIAL_CONSOLE=y +CONFIG_USERLED=y +CONFIG_USERLED_LOWER=y +CONFIG_USER_ENTRYPOINT="nsh_main" diff --git a/boards/arm/stm32/b-g474e-dpow1/include/board.h b/boards/arm/stm32/b-g474e-dpow1/include/board.h new file mode 100644 index 0000000000..eb5c09005a --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/include/board.h @@ -0,0 +1,191 @@ +/**************************************************************************** + * boards/arm/stm32/b-g474e-dpow1/include/board.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __BOARDS_ARM_STM32_B_G474E_DPOW1_INCLUDE_BOARD_H +#define __BOARDS_ARM_STM32_B_G474E_DPOW1_INCLUDE_BOARD_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Clocking *****************************************************************/ + +#undef STM32_BOARD_XTAL /* Not installed by default */ + +#define STM32_HSI_FREQUENCY 16000000ul /* 16MHz */ +#define STM32_LSI_FREQUENCY 32000 /* 32kHz */ +#undef STM32_HSE_FREQUENCY /* Not installed by default */ +#undef STM32_LSE_FREQUENCY /* Not available on this board */ + +/* Main PLL Configuration. + * + * PLL source is HSI = 16MHz + * PLLN = 85, PLLM = 4, PLLP = 10, PLLQ = 2, PLLR = 2 + * + * f(VCO Clock) = f(PLL Clock Input) x (PLLN / PLLM) + * f(PLL_P) = f(VCO Clock) / PLLP + * f(PLL_Q) = f(VCO Clock) / PLLQ + * f(PLL_R) = f(VCO Clock) / PLLR + * + * Where: + * 8 <= PLLN <= 127 + * 1 <= PLLM <= 16 + * PLLP = 2 through 31 + * PLLQ = 2, 4, 6, or 8 + * PLLR = 2, 4, 6, or 8 + * + * Do not exceed 170MHz on f(PLL_P), f(PLL_Q), or f(PLL_R). + * 64MHz <= f(VCO Clock) <= 344MHz. + * + * Given the above: + * + * f(VCO Clock) = HSI x PLLN / PLLM + * = 16MHz x 85 / 4 + * = 340MHz + * + * PLLPCLK = f(VCO Clock) / PLLP + * = 340MHz / 10 + * = 34MHz + * (May be used for ADC) + * + * PLLQCLK = f(VCO Clock) / PLLQ + * = 340MHz / 2 + * = 170MHz + * (May be used for QUADSPI, FDCAN, SAI1, I2S3. If set to + * 48MHz, may be used for USB, RNG.) + * + * PLLRCLK = f(VCO Clock) / PLLR + * = 340MHz / 2 + * = 170MHz + * (May be used for SYSCLK and most peripherals.) + */ + +#define STM32_PLLCFGR_PLLSRC RCC_PLLCFGR_PLLSRC_HSI +#define STM32_PLLCFGR_PLLCFG (RCC_PLLCFGR_PLLPEN | \ + RCC_PLLCFGR_PLLQEN | \ + RCC_PLLCFGR_PLLREN) + +#define STM32_PLLCFGR_PLLN RCC_PLLCFGR_PLLN(85) +#define STM32_PLLCFGR_PLLM RCC_PLLCFGR_PLLM(4) +#define STM32_PLLCFGR_PLLP RCC_PLLCFGR_PLLPDIV(10) +#define STM32_PLLCFGR_PLLQ RCC_PLLCFGR_PLLQ_2 +#define STM32_PLLCFGR_PLLR RCC_PLLCFGR_PLLR_2 + +#define STM32_VCO_FREQUENCY ((STM32_HSI_FREQUENCY / 4) * 85) +#define STM32_PLLP_FREQUENCY (STM32_VCO_FREQUENCY / 10) +#define STM32_PLLQ_FREQUENCY (STM32_VCO_FREQUENCY / 2) +#define STM32_PLLR_FREQUENCY (STM32_VCO_FREQUENCY / 2) + +/* Use the PLL and set the SYSCLK source to be PLLR (170MHz) */ + +#define STM32_SYSCLK_SW RCC_CFGR_SW_PLL +#define STM32_SYSCLK_SWS RCC_CFGR_SWS_PLL +#define STM32_SYSCLK_FREQUENCY STM32_PLLR_FREQUENCY + +/* AHB clock (HCLK) is SYSCLK (170MHz) */ + +#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK +#define STM32_HCLK_FREQUENCY STM32_SYSCLK_FREQUENCY +#define STM32_BOARD_HCLK STM32_HCLK_FREQUENCY + +/* APB1 clock (PCLK1) is HCLK (170MHz) */ + +#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLK +#define STM32_PCLK1_FREQUENCY STM32_HCLK_FREQUENCY + +/* APB2 clock (PCLK2) is HCLK (170MHz) */ + +#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK +#define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY + +/* LED definitions **********************************************************/ + +/* The B-G474E-DPOW1 Discovery kit has four user LEDs. + * + * If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in + * any way. The following definitions are used to access individual LEDs. + */ + +/* LED index values for use with board_userled() */ + +#define BOARD_LED1 0 /* User LD2 (Blue) */ +#define BOARD_LED2 1 /* User LD3 (Orange) */ +#define BOARD_LED3 2 /* User LD4 (Green) */ +#define BOARD_LED4 3 /* User LD5 (Red)*/ +#define BOARD_NLEDS 4 + +/* LED bits for use with board_userled_all() */ + +#define BOARD_LED1_BIT (1 << BOARD_LED1) +#define BOARD_LED2_BIT (1 << BOARD_LED2) +#define BOARD_LED3_BIT (1 << BOARD_LED3) +#define BOARD_LED4_BIT (1 << BOARD_LED4) + +/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 4 user LEDs + * on the board. The following definitions describe how NuttX controls the + * LEDs: + * + * |--------------------|-------------------------|------------| + * | SYMBOL | Meaning | LED states | + * |--------------------|-------------------------|------------| + * | LED_STARTED | NuttX has been started | 0 0 0 0 | + * | LED_HEAPALLOCATE | Heap has been allocated | 0 0 0 0 | + * | LED_IRQSENABLED | Interrupts enabled | 0 0 0 0 | + * | LED_STACKCREATED | Idle stack created | 1 0 0 0 | + * | LED_INIRQ | In an interrupt | No change | + * | LED_SIGNAL | In a signal handler | No change | + * | LED_ASSERTION | An assertion failed | No change | + * | LED_PANIC | The system has crashed | 0 B 0 0 | + * | LED_IDLE | STM32 is is sleep mode | Not used | + * |--------------------|-------------------------|------------| + * + * LED states legend: + * 0 = off + * 1 = on + * B = blink + */ + +#define LED_STARTED 0 +#define LED_HEAPALLOCATE 0 +#define LED_IRQSENABLED 0 +#define LED_STACKCREATED 1 +#define LED_INIRQ 2 +#define LED_SIGNAL 2 +#define LED_ASSERTION 2 +#define LED_PANIC 3 + +/* Button definitions *******************************************************/ + +/* Alternate function pin selections ****************************************/ + +/* USART3 (ST LINK V3E Virtual Console) */ + +#define GPIO_USART3_TX GPIO_USART3_TX_3 /* PC10 */ +#define GPIO_USART3_RX GPIO_USART3_RX_3 /* PC11 */ + +/* Pin Multiplexing Disambiguation ******************************************/ + +#endif /* __BOARDS_ARM_STM32_B_G474E_DPOW1_INCLUDE_BOARD_H */ diff --git a/boards/arm/stm32/b-g474e-dpow1/scripts/Make.defs b/boards/arm/stm32/b-g474e-dpow1/scripts/Make.defs new file mode 100644 index 0000000000..cf357277b2 --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/scripts/Make.defs @@ -0,0 +1,93 @@ +############################################################################ +# boards/arm/stm32/b-g474e-dpow1/scripts/Make.defs +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +include $(TOPDIR)/.config +include $(TOPDIR)/tools/Config.mk +include $(TOPDIR)/arch/arm/src/armv7-m/Toolchain.defs + +ifeq ($(CONFIG_CYGWIN_WINTOOL),y) + # Windows-native toolchains + ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" + ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}" + ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/boards/$(CONFIG_ARCH)/$(CONFIG_ARCH_CHIP)/$(CONFIG_ARCH_BOARD)/scripts/ld.script}" +else + # Linux/Cygwin-native toolchain + ARCHINCLUDES = -I. -isystem $(TOPDIR)/include + ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx + ARCHSCRIPT = -T$(TOPDIR)/boards/$(CONFIG_ARCH)/$(CONFIG_ARCH_CHIP)/$(CONFIG_ARCH_BOARD)/scripts/ld.script +endif + +CC = $(CROSSDEV)gcc +CXX = $(CROSSDEV)g++ +CPP = $(CROSSDEV)gcc -E +LD = $(CROSSDEV)ld +STRIP = $(CROSSDEV)strip --strip-unneeded +AR = $(CROSSDEV)ar rcs +NM = $(CROSSDEV)nm +OBJCOPY = $(CROSSDEV)objcopy +OBJDUMP = $(CROSSDEV)objdump + +ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'} +ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1} + +ifeq ($(CONFIG_DEBUG_SYMBOLS),y) + ARCHOPTIMIZATION = -g +endif + +ifneq ($(CONFIG_DEBUG_NOOPT),y) + ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer +endif + +ARCHCFLAGS = -fno-builtin -funwind-tables +ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fcheck-new -funwind-tables +ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef +ARCHWARNINGSXX = -Wall -Wshadow -Wundef +ARCHDEFINES = -D__NuttX__ +ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10 + +CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -ffunction-sections -fdata-sections -pipe +CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS) +CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -ffunction-sections -fdata-sections -pipe +CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS) +CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) +AFLAGS = $(CFLAGS) -D__ASSEMBLY__ + +NXFLATLDFLAGS1 = -r -d -warn-common +NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections +LDNXFLATFLAGS = -e main -s 2048 + +ifneq ($(CROSSDEV),arm-nuttx-elf-) + LDFLAGS += -nostartfiles -nodefaultlibs +endif +ifeq ($(CONFIG_DEBUG_SYMBOLS),y) + LDFLAGS += -g +endif + +# Provide map file needed by the "Memory Allocation" view in Eclipse: +LDFLAGS += -Map=$(TOPDIR)/NuttX.map --gc-sections + +HOSTCC = gcc +HOSTINCLUDES = -I. +HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe + +# Embed absolute path to source file in debug information so that Eclipse +# source level debugging won't get confused. See: +# https://stackoverflow.com/questions/1275476/gcc-gdb-how-to-embed-absolute-path-to-source-file-in-debug-information +CFLAGS += -fdebug-prefix-map=..=$(readlink -f ..) diff --git a/boards/arm/stm32/b-g474e-dpow1/scripts/ld.script b/boards/arm/stm32/b-g474e-dpow1/scripts/ld.script new file mode 100644 index 0000000000..6d4bd1d994 --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/scripts/ld.script @@ -0,0 +1,124 @@ +/**************************************************************************** + * boards/arm/stm32/b-g474e-dpow1/scripts/ld.script + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/* The STM32G474RE has 512 KiB of FLASH beginning at address 0x0800:0000. + * + * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000 + * where the code expects to begin execution by jumping to the entry point in + * the 0x0800:0000 address range. + * + * The STM32G474RE has a total of 128 KiB of SRAM in three separate areas: + * + * 1) 80 KiB SRAM1 mapped at 0x2000:0000 thru 0x2001:3fff. + * 2) 16 KiB SRAM2 mapped at 0x2001:4000 thru 0x2001:7fff. + * + * CCM SRAM (Routine Booster): + * + * 3) 32 KiB CCM SRAM mapped at 0x1000:0000 thru 0x1000:7fff + * but also aliased at at 0x2001:8000 thru 0x2001:ffff to be contiguous + * with the SRAM1 and SRAM2. + * + * Because SRAM1 and SRAM2 are contiguous, they are treated as one region + * by this logic. + * + * CCM SRAM is also contiguous to SRAM1 and SRAM2, however it is excluded + * from this linker script, to keep it reserved for special uses in code. + * REVISIT: Is this the correct way to handle CCM SRAM? + */ + +MEMORY +{ + flash (rx) : ORIGIN = 0x08000000, LENGTH = 512K + sram (rwx) : ORIGIN = 0x20000000, LENGTH = 96K +} + +OUTPUT_ARCH(arm) +EXTERN(_vectors) +ENTRY(_stext) + +SECTIONS +{ + .text : { + _stext = ABSOLUTE(.); + *(.vectors) + *(.text .text.*) + *(.fixup) + *(.gnu.warning) + *(.rodata .rodata.*) + *(.gnu.linkonce.t.*) + *(.glue_7) + *(.glue_7t) + *(.got) + *(.gcc_except_table) + *(.gnu.linkonce.r.*) + _etext = ABSOLUTE(.); + } > flash + + .init_section : ALIGN(4) { + _sinit = ABSOLUTE(.); + *(.init_array .init_array.*) + _einit = ABSOLUTE(.); + } > flash + + .ARM.extab : ALIGN(4) { + *(.ARM.extab*) + } > flash + + .ARM.exidx : ALIGN(4) { + __exidx_start = ABSOLUTE(.); + *(.ARM.exidx*) + __exidx_end = ABSOLUTE(.); + } > flash + + _eronly = ABSOLUTE(.); + + .data : ALIGN(4) { + _sdata = ABSOLUTE(.); + *(.data .data.*) + *(.gnu.linkonce.d.*) + CONSTRUCTORS + . = ALIGN(4); + _edata = ABSOLUTE(.); + } > sram AT > flash + + .bss : ALIGN(4) { + _sbss = ABSOLUTE(.); + *(.bss .bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + . = ALIGN(4); + _ebss = ABSOLUTE(.); + } > sram + + /* Stabs debugging sections. */ + + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_info 0 : { *(.debug_info) } + .debug_line 0 : { *(.debug_line) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_aranges 0 : { *(.debug_aranges) } +} diff --git a/boards/arm/stm32/b-g474e-dpow1/src/.gitignore b/boards/arm/stm32/b-g474e-dpow1/src/.gitignore new file mode 100644 index 0000000000..726d936e1e --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/src/.gitignore @@ -0,0 +1,2 @@ +/.depend +/Make.dep diff --git a/boards/arm/stm32/b-g474e-dpow1/src/Make.defs b/boards/arm/stm32/b-g474e-dpow1/src/Make.defs new file mode 100644 index 0000000000..53bf85d721 --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/src/Make.defs @@ -0,0 +1,38 @@ +############################################################################ +# boards/arm/stm32/b-g474e-dpow1/src/Makefile +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +include $(TOPDIR)/Make.defs + +ASRCS = +CSRCS = stm32_boot.c + +ifeq ($(CONFIG_ARCH_LEDS),y) +CSRCS += stm32_autoleds.c +else +CSRCS += stm32_userleds.c +endif + +ifeq ($(CONFIG_LIB_BOARDCTL),y) +CSRCS += stm32_appinit.c +endif + +DEPPATH += --dep-path board +VPATH += :board +CFLAGS += $(shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)board) diff --git a/boards/arm/stm32/b-g474e-dpow1/src/b-g474e-dpow1.h b/boards/arm/stm32/b-g474e-dpow1/src/b-g474e-dpow1.h new file mode 100644 index 0000000000..7225883d9e --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/src/b-g474e-dpow1.h @@ -0,0 +1,77 @@ +/**************************************************************************** + * boards/arm/stm32/b-g474e-dpow1/src/b-g474e-dpow1.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __BOARDS_ARM_STM32_B_G474E_DPOW1_SRC_B_G474E_DPOW1_H +#define __BOARDS_ARM_STM32_B_G474E_DPOW1_SRC_B_G474E_DPOW1_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* LED definitions **********************************************************/ + +/* The B-G474E-DPOW1 Discovery kit has four user LEDs: + * + * | Symbol | PCB | Color | + * |------------|-----|--------| + * | BOARD_LED1 | LD2 | Blue | + * | BOARD_LED2 | LD3 | Orange | + * | BOARD_LED3 | LD4 | Green | + * | BOARD_LED4 | LD5 | Red | + * + * If CONFIG_ARCH_LEDS is not defined, then the user can control the LED. + * + * Pin assignments follow: + */ + +#define GPIO_LED1 (GPIO_OUTPUT | GPIO_PUSHPULL | \ + GPIO_SPEED_5MHz | \ + GPIO_OUTPUT_CLEAR | \ + GPIO_PORTA | GPIO_PIN15) +#define GPIO_LED2 (GPIO_OUTPUT | GPIO_PUSHPULL | \ + GPIO_SPEED_5MHz | \ + GPIO_OUTPUT_CLEAR | \ + GPIO_PORTB | GPIO_PIN1) +#define GPIO_LED3 (GPIO_OUTPUT | GPIO_PUSHPULL | \ + GPIO_SPEED_5MHz | \ + GPIO_OUTPUT_CLEAR | \ + GPIO_PORTB | GPIO_PIN7) +#define GPIO_LED4 (GPIO_OUTPUT | GPIO_PUSHPULL | \ + GPIO_SPEED_5MHz | \ + GPIO_OUTPUT_CLEAR | \ + GPIO_PORTB | GPIO_PIN5) + +#define LED_DRIVER_PATH "/dev/userleds" + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#endif /* __BOARDS_ARM_STM32_B_G474E_DPOW1_SRC_B_G474E_DPOW1_H */ diff --git a/boards/arm/stm32/b-g474e-dpow1/src/stm32_appinit.c b/boards/arm/stm32/b-g474e-dpow1/src/stm32_appinit.c new file mode 100644 index 0000000000..73b4098308 --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/src/stm32_appinit.c @@ -0,0 +1,91 @@ +/**************************************************************************** + * boards/arm/stm32/b-g474e-dpow1/src/stm32_appinit.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include +#include + +#include "b-g474e-dpow1.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#undef HAVE_LEDS + +#if !defined(CONFIG_ARCH_LEDS) && defined(CONFIG_USERLED_LOWER) +# define HAVE_LEDS 1 +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_app_initialize + * + * Description: + * Perform application specific initialization. This function is never + * called directly from application code, but only indirectly via the + * (non-standard) boardctl() interface using the command BOARDIOC_INIT. + * + * Input Parameters: + * arg - The boardctl() argument is passed to the board_app_initialize() + * implementation without modification. The argument has no + * meaning to NuttX; the meaning of the argument is a contract + * between the board-specific initialization logic and the + * matching application logic. The value could be such things as a + * mode enumeration value, a set of DIP switch settings, a pointer + * to configuration data read from a file or serial FLASH, or + * whatever you would like to do with it. Every implementation + * should accept zero/NULL as a default configuration. + * + * Returned Value: + * Zero (OK) is returned on success; a negated errno value is returned on + * any failure to indicate the nature of the failure. + * + ****************************************************************************/ + +int board_app_initialize(uintptr_t arg) +{ + int ret; + +#if defined(HAVE_LEDS) + /* Register the LED driver */ + + ret = userled_lower_initialize(LED_DRIVER_PATH); + if (ret < 0) + { + syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret); + return ret; + } +#endif + + UNUSED(ret); + return OK; +} diff --git a/boards/arm/stm32/b-g474e-dpow1/src/stm32_autoleds.c b/boards/arm/stm32/b-g474e-dpow1/src/stm32_autoleds.c new file mode 100644 index 0000000000..9e182f6b90 --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/src/stm32_autoleds.c @@ -0,0 +1,109 @@ +/**************************************************************************** + * boards/arm/stm32/b-g474e-dpow1/src/stm32_autoleds.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +#include +#include + +#include "stm32.h" +#include "b-g474e-dpow1.h" + +#if defined(CONFIG_ARCH_LEDS) + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_autoled_initialize + ****************************************************************************/ + +void board_autoled_initialize(void) +{ + /* Configure LED GPIOs for output */ + + stm32_configgpio(GPIO_LED1); + stm32_configgpio(GPIO_LED2); + stm32_configgpio(GPIO_LED3); + stm32_configgpio(GPIO_LED4); +} + +/**************************************************************************** + * Name: board_autoled_on + ****************************************************************************/ + +void board_autoled_on(int led) +{ + switch (led) + { + case BOARD_LED1: + stm32_gpiowrite(GPIO_LED1, true); + break; + + case BOARD_LED2: + stm32_gpiowrite(GPIO_LED2, true); + break; + + case BOARD_LED3: + stm32_gpiowrite(GPIO_LED3, true); + break; + + case BOARD_LED4: + stm32_gpiowrite(GPIO_LED4, true); + break; + } +} + +/**************************************************************************** + * Name: board_autoled_off + ****************************************************************************/ + +void board_autoled_off(int led) +{ + switch (led) + { + case BOARD_LED1: + stm32_gpiowrite(GPIO_LED1, false); + break; + + case BOARD_LED2: + stm32_gpiowrite(GPIO_LED2, false); + break; + + case BOARD_LED3: + stm32_gpiowrite(GPIO_LED3, false); + break; + + case BOARD_LED4: + stm32_gpiowrite(GPIO_LED4, false); + break; + } +} + +#endif /* CONFIG_ARCH_LEDS */ diff --git a/boards/arm/stm32/b-g474e-dpow1/src/stm32_boot.c b/boards/arm/stm32/b-g474e-dpow1/src/stm32_boot.c new file mode 100644 index 0000000000..aeff5c862f --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/src/stm32_boot.c @@ -0,0 +1,70 @@ +/**************************************************************************** + * boards/arm/stm32/b-g474e-dpow1/src/stm32_boot.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include "b-g474e-dpow1.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_boardinitialize + * + * Description: + * All STM32 architectures must provide the following entry point. This + * entry point is called early in the initialization -- after all memory + * has been configured and mapped but before any devices have been + * initialized. + * + ****************************************************************************/ + +void stm32_boardinitialize(void) +{ +#if defined(CONFIG_ARCH_LEDS) + /* Configure on-board LEDs if LED support has been selected. */ + + board_autoled_initialize(); +#endif +} diff --git a/boards/arm/stm32/b-g474e-dpow1/src/stm32_userleds.c b/boards/arm/stm32/b-g474e-dpow1/src/stm32_userleds.c new file mode 100644 index 0000000000..2e4d40b6d5 --- /dev/null +++ b/boards/arm/stm32/b-g474e-dpow1/src/stm32_userleds.c @@ -0,0 +1,121 @@ +/**************************************************************************** + * boards/arm/stm32/b-g474e-dpow1/src/stm32_userleds.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +#include + +#include "stm32.h" +#include "b-g474e-dpow1.h" + +#if !defined(CONFIG_ARCH_LEDS) + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: board_userled_initialize + * + * Description: + * Initialize the user LEDs before use. Note: For this function to be + * available to user application logic, CONFIG_ARCH_LEDS must not be + * defined. + ****************************************************************************/ + +void board_userled_initialize(void) +{ + /* Configure LED GPIOs for output */ + + stm32_configgpio(GPIO_LED1); + stm32_configgpio(GPIO_LED2); + stm32_configgpio(GPIO_LED3); + stm32_configgpio(GPIO_LED4); +} + +/**************************************************************************** + * Name: board_userled + * + * Description: + * Allow user application logic to control LEDs one at a time. Note: For + * this function to be available to user application logic, + * CONFIG_ARCH_LEDS must not be defined. + * + * Parameters: + * led: Index to the LED, which may be one of the defines BOARD_LED1, + * BOARD_LED2, BOARD_LED3, or BOARD_LED4. + * ledon: true to turn the LED on, false to turn it off. + ****************************************************************************/ + +void board_userled(int led, bool ledon) +{ + switch (led) + { + case BOARD_LED1: + stm32_gpiowrite(GPIO_LED1, ledon); + break; + + case BOARD_LED2: + stm32_gpiowrite(GPIO_LED2, ledon); + break; + + case BOARD_LED3: + stm32_gpiowrite(GPIO_LED3, ledon); + break; + + case BOARD_LED4: + stm32_gpiowrite(GPIO_LED4, ledon); + break; + } +} + +/**************************************************************************** + * Name: board_userled_all + * + * Description: + * Allow user application logic to control all LEDs in one function call. + * Note: For this function to be available to user application logic, + * CONFIG_ARCH_LEDS must not be defined. + * + * Parameters: + * ledset: Bitmask indicating the new state for all LEDs, where a set bit + * indicates LED on and a clear bit indicates LED off. To + * construct the bitmask, using a bitwise OR of the defines + * BOARD_LED1_BIT, BOARD_LED2_BIT, BOARD_LED3_BIT, and/or + * BOARD_LED4_BIT. + ****************************************************************************/ + +void board_userled_all(uint8_t ledset) +{ + stm32_gpiowrite(GPIO_LED1, (ledset & BOARD_LED1_BIT) != 0); + stm32_gpiowrite(GPIO_LED2, (ledset & BOARD_LED2_BIT) != 0); + stm32_gpiowrite(GPIO_LED3, (ledset & BOARD_LED3_BIT) != 0); + stm32_gpiowrite(GPIO_LED4, (ledset & BOARD_LED4_BIT) != 0); +} + +#endif /* !CONFIG_ARCH_LEDS */