From 1eae139aa94130a63ecc4725852cb69c02566c82 Mon Sep 17 00:00:00 2001 From: Mengsk Date: Mon, 7 Nov 2022 12:32:36 +0100 Subject: [PATCH] Add support for STM32L412. --- .../stm32l412nucleo/STM32L412KBUx_FLASH.ld | 184 ++++++++++++++++++ hw/bsp/stm32l4/boards/stm32l412nucleo/board.h | 141 ++++++++++++++ .../stm32l4/boards/stm32l412nucleo/board.mk | 10 + hw/bsp/stm32l4/family.c | 27 ++- src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c | 9 +- .../st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h | 4 + 6 files changed, 370 insertions(+), 5 deletions(-) create mode 100644 hw/bsp/stm32l4/boards/stm32l412nucleo/STM32L412KBUx_FLASH.ld create mode 100644 hw/bsp/stm32l4/boards/stm32l412nucleo/board.h create mode 100644 hw/bsp/stm32l4/boards/stm32l412nucleo/board.mk diff --git a/hw/bsp/stm32l4/boards/stm32l412nucleo/STM32L412KBUx_FLASH.ld b/hw/bsp/stm32l4/boards/stm32l412nucleo/STM32L412KBUx_FLASH.ld new file mode 100644 index 00000000..28cd9613 --- /dev/null +++ b/hw/bsp/stm32l4/boards/stm32l412nucleo/STM32L412KBUx_FLASH.ld @@ -0,0 +1,184 @@ +/* +***************************************************************************** +** + +** File : LinkerScript.ld +** +** Abstract : Linker script for STM32L412KBTx Device with +** 128KByte FLASH, 40KByte RAM +** +** Set heap size, stack size and stack location according +** to application requirements. +** +** Set memory bank area and size if external memory is used. +** +** Target : STMicroelectronics STM32 +** +** +** Distribution: The file is distributed as is, without any warranty +** of any kind. +** +** (c)Copyright Ac6. +** You may use this file as-is or modify it according to the needs of your +** project. Distribution of this file (unmodified or modified) is not +** permitted. Ac6 permit registered System Workbench for MCU users the +** rights to distribute the assembled, compiled & linked contents of this +** file as part of an application binary file, provided that it is built +** using the System Workbench for MCU toolchain. +** +***************************************************************************** +*/ + +/* Entry Point */ +ENTRY(Reset_Handler) + +/* Highest address of the user mode stack */ +_estack = 0x20008000; /* end of RAM */ +/* Generate a link error if heap and stack don't fit into RAM */ +_Min_Heap_Size = 0x200; /* required amount of heap */ +_Min_Stack_Size = 0x400; /* required amount of stack */ + +/* Specify the memory areas */ +MEMORY +{ +FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 128K +RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K +SRAM2 (xrw) : ORIGIN = 0x10000000, LENGTH = 8K +} + +/* Define output sections */ +SECTIONS +{ + /* The startup code goes first into FLASH */ + .isr_vector : + { + . = ALIGN(8); + KEEP(*(.isr_vector)) /* Startup code */ + . = ALIGN(8); + } >FLASH + + /* The program code and other data goes into FLASH */ + .text : + { + . = ALIGN(8); + *(.text) /* .text sections (code) */ + *(.text*) /* .text* sections (code) */ + *(.glue_7) /* glue arm to thumb code */ + *(.glue_7t) /* glue thumb to arm code */ + *(.eh_frame) + + KEEP (*(.init)) + KEEP (*(.fini)) + + . = ALIGN(8); + _etext = .; /* define a global symbols at end of code */ + } >FLASH + + /* Constant data goes into FLASH */ + .rodata : + { + . = ALIGN(8); + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + . = ALIGN(8); + } >FLASH + + .ARM.extab : + { + . = ALIGN(8); + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(8); + } >FLASH + .ARM : { + . = ALIGN(8); + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + . = ALIGN(8); + } >FLASH + + .preinit_array : + { + . = ALIGN(8); + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array*)) + PROVIDE_HIDDEN (__preinit_array_end = .); + . = ALIGN(8); + } >FLASH + + .init_array : + { + . = ALIGN(8); + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array*)) + PROVIDE_HIDDEN (__init_array_end = .); + . = ALIGN(8); + } >FLASH + .fini_array : + { + . = ALIGN(8); + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(SORT(.fini_array.*))) + KEEP (*(.fini_array*)) + PROVIDE_HIDDEN (__fini_array_end = .); + . = ALIGN(8); + } >FLASH + + /* used by the startup to initialize data */ + _sidata = LOADADDR(.data); + + /* Initialized data sections goes into RAM, load LMA copy after code */ + .data : + { + . = ALIGN(8); + _sdata = .; /* create a global symbol at data start */ + *(.data) /* .data sections */ + *(.data*) /* .data* sections */ + + . = ALIGN(8); + _edata = .; /* define a global symbol at data end */ + } >RAM AT> FLASH + + + /* Uninitialized data section */ + . = ALIGN(4); + .bss : + { + /* This is used by the startup in order to initialize the .bss secion */ + _sbss = .; /* define a global symbol at bss start */ + __bss_start__ = _sbss; + *(.bss) + *(.bss*) + *(COMMON) + + . = ALIGN(4); + _ebss = .; /* define a global symbol at bss end */ + __bss_end__ = _ebss; + } >RAM + + /* User_heap_stack section, used to check that there is enough RAM left */ + ._user_heap_stack : + { + . = ALIGN(8); + PROVIDE ( end = . ); + PROVIDE ( _end = . ); + . = . + _Min_Heap_Size; + . = . + _Min_Stack_Size; + . = ALIGN(8); + } >RAM + + + + /* Remove information from the standard libraries */ + /DISCARD/ : + { + libc.a ( * ) + libm.a ( * ) + libgcc.a ( * ) + } + + .ARM.attributes 0 : { *(.ARM.attributes) } +} + + diff --git a/hw/bsp/stm32l4/boards/stm32l412nucleo/board.h b/hw/bsp/stm32l4/boards/stm32l412nucleo/board.h new file mode 100644 index 00000000..704d742c --- /dev/null +++ b/hw/bsp/stm32l4/boards/stm32l412nucleo/board.h @@ -0,0 +1,141 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020, Ha Thach (tinyusb.org) + * + * 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. + * + * This file is part of the TinyUSB stack. + */ + +#ifndef BOARD_H_ +#define BOARD_H_ + +#ifdef __cplusplus + extern "C" { +#endif + +#define LED_PORT GPIOB +#define LED_PIN GPIO_PIN_3 +#define LED_STATE_ON 1 + +// Not a real button +#define BUTTON_PORT GPIOB +#define BUTTON_PIN GPIO_PIN_0 +#define BUTTON_STATE_ACTIVE 1 + +#define UART_DEV LPUART1 +#define UART_CLK_EN __HAL_RCC_LPUART1_CLK_ENABLE +#define UART_GPIO_PORT GPIOA +#define UART_GPIO_AF GPIO_AF8_LPUART1 +#define UART_TX_PIN GPIO_PIN_2 +#define UART_RX_PIN GPIO_PIN_3 + +//--------------------------------------------------------------------+ +// RCC Clock +//--------------------------------------------------------------------+ + +/** + * @brief System Clock Configuration + * The system Clock is configured as follow : + * System Clock source = PLL (MSI) + * SYSCLK(Hz) = 80000000 + * HCLK(Hz) = 80000000 + * AHB Prescaler = 1 + * APB1 Prescaler = 1 + * APB2 Prescaler = 1 + * MSI Frequency(Hz) = 8000000 + * PLL_M = 1 + * PLL_N = 10 + * PLL_Q = 2 + * PLL_R = 2 + * VDD(V) = 3.3 + * @param None + * @retval None + */ + +static inline void board_clock_init(void) +{ + RCC_OscInitTypeDef RCC_OscInitStruct = {0}; + RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; + RCC_CRSInitTypeDef RCC_CRSInitStruct = {0}; + RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0}; + + /** Configure the main internal regulator output voltage + */ + HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1); + + /** Initializes the RCC Oscillators according to the specified parameters + * in the RCC_OscInitTypeDef structure. + */ + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48|RCC_OSCILLATORTYPE_HSI; + RCC_OscInitStruct.HSIState = RCC_HSI_ON; + RCC_OscInitStruct.HSI48State = RCC_HSI48_ON; + RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; + RCC_OscInitStruct.PLL.PLLM = 1; + RCC_OscInitStruct.PLL.PLLN = 10; + RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2; + RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2; + + HAL_RCC_OscConfig(&RCC_OscInitStruct); + + /** Initializes the CPU, AHB and APB buses clocks + */ + RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK + |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; + RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; + RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; + RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; + RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; + + HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4); + + /** Enable the SYSCFG APB clock + */ + __HAL_RCC_CRS_CLK_ENABLE(); + + /** Configures CRS + */ + RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1; + RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB; + RCC_CRSInitStruct.Polarity = RCC_CRS_SYNC_POLARITY_RISING; + RCC_CRSInitStruct.ReloadValue = __HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000,1000); + RCC_CRSInitStruct.ErrorLimitValue = 34; + RCC_CRSInitStruct.HSI48CalibrationValue = 32; + + HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct); + + /* Select HSI48 output as USB clock source */ + PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB; + PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48; + HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); + + /* Select PLL output as UART clock source */ + PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPUART1; + PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_PCLK1; + HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); +} + +#ifdef __cplusplus + } +#endif + +#endif /* BOARD_H_ */ diff --git a/hw/bsp/stm32l4/boards/stm32l412nucleo/board.mk b/hw/bsp/stm32l4/boards/stm32l412nucleo/board.mk new file mode 100644 index 00000000..841ee494 --- /dev/null +++ b/hw/bsp/stm32l4/boards/stm32l412nucleo/board.mk @@ -0,0 +1,10 @@ +CFLAGS += \ + -DSTM32L412xx \ + +# All source paths should be relative to the top level. +LD_FILE = $(BOARD_PATH)/STM32L412KBUx_FLASH.ld + +SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32l412xx.s + +# For flash-jlink target +JLINK_DEVICE = stm32l412kb diff --git a/hw/bsp/stm32l4/family.c b/hw/bsp/stm32l4/family.c index c15be98e..8b464f64 100644 --- a/hw/bsp/stm32l4/family.c +++ b/hw/bsp/stm32l4/family.c @@ -33,7 +33,11 @@ //--------------------------------------------------------------------+ // Forward USB interrupt events to TinyUSB IRQ Handler //--------------------------------------------------------------------+ +#if defined(USB_OTG_FS) void OTG_FS_IRQHandler(void) +#else +void USB_IRQHandler(void) +#endif { tud_int_handler(0); } @@ -53,9 +57,15 @@ void board_init(void) __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); +#if defined(GPIOE) __HAL_RCC_GPIOE_CLK_ENABLE(); +#endif +#if defined(GPIOF) __HAL_RCC_GPIOF_CLK_ENABLE(); +#endif +#if defined(GPIOG) __HAL_RCC_GPIOG_CLK_ENABLE(); +#endif __HAL_RCC_GPIOH_CLK_ENABLE(); UART_CLK_EN(); @@ -95,7 +105,10 @@ void board_init(void) // IOSV bit MUST be set to access GPIO port G[2:15] */ __HAL_RCC_PWR_CLK_ENABLE(); + +#if defined(PWR_CR2_IOSV) HAL_PWREx_EnableVddIO2(); +#endif // Uart GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN; @@ -124,9 +137,14 @@ void board_init(void) GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; +#if defined(USB_OTG_FS) GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS; +#else + GPIO_InitStruct.Alternate = GPIO_AF10_USB_FS; +#endif HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); +#if defined(USB_OTG_FS) /* Configure VBUS Pin */ GPIO_InitStruct.Pin = GPIO_PIN_9; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; @@ -139,11 +157,16 @@ void board_init(void) GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); +#endif /* Enable USB FS Clocks */ +#if defined(USB_OTG_FS) __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); - board_vbus_sense_init(); +#else + __HAL_RCC_USB_CLK_ENABLE(); +#endif + } //--------------------------------------------------------------------+ @@ -187,7 +210,7 @@ uint32_t board_millis(void) void HardFault_Handler (void) { - asm("bkpt"); + asm("bkpt 0x10"); } // Required by __libc_init_array in startup code if we are compiling using diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c index 177a7ad2..ec3964b4 100644 --- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c +++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c @@ -111,7 +111,8 @@ #if TUSB_OPT_DEVICE_ENABLED && \ ( TU_CHECK_MCU(OPT_MCU_STM32F0, OPT_MCU_STM32F3, OPT_MCU_STM32L0, OPT_MCU_STM32L1, OPT_MCU_STM32G4) || \ - (TU_CHECK_MCU(OPT_MCU_STM32F1) && defined(STM32F1_FSDEV)) \ + (TU_CHECK_MCU(OPT_MCU_STM32F1) && defined(STM32F1_FSDEV)) || \ + (TU_CHECK_MCU(OPT_MCU_STM32L4) && !defined(DCD_ATTR_DWC2_STM32)) \ ) // In order to reduce the dependance on HAL, we undefine this. @@ -294,7 +295,8 @@ void dcd_int_enable (uint8_t rhport) // Member here forces write to RAM before allowing ISR to execute __DSB(); __ISB(); -#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0 +#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0 || \ + CFG_TUSB_MCU == OPT_MCU_STM32L4 NVIC_EnableIRQ(USB_IRQn); #elif CFG_TUSB_MCU == OPT_MCU_STM32L1 @@ -338,7 +340,8 @@ void dcd_int_disable(uint8_t rhport) { (void)rhport; -#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0 +#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0 || \ + CFG_TUSB_MCU == OPT_MCU_STM32L4 NVIC_DisableIRQ(USB_IRQn); #elif CFG_TUSB_MCU == OPT_MCU_STM32L1 NVIC_DisableIRQ(USB_LP_IRQn); diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h index 596f7be6..eabefa68 100644 --- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h +++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h @@ -91,6 +91,10 @@ #include "stm32g4xx.h" #define PMA_LENGTH (1024u) +#elif CFG_TUSB_MCU == OPT_MCU_STM32L4 + #include "stm32l4xx.h" + #define PMA_LENGTH (1024u) + #else #error You are using an untested or unimplemented STM32 variant. Please update the driver. // This includes L1x0, L1x1, L1x2, L4x2 and L4x3, G1x1, G1x3, and G1x4