Merge pull request #2271 from antoniovazquezblanco/stm32h750dk

stm32h750-dk support

4 files changed, 351 insertions, 0 deletions

diff --git a/hw/bsp/stm32h7/boards/stm32h750bdk/board.cmake b/hw/bsp/stm32h7/boards/stm32h750bdk/board.cmake
new file mode 100644
index 000000000..6eff708a8
--- /dev/null
+++ b/hw/bsp/stm32h7/boards/stm32h750bdk/board.cmake
@@ -0,0 +1,16 @@
+set(MCU_VARIANT stm32h750xx)
+set(JLINK_DEVICE stm32h750xb_m7)
+
+set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${MCU_VARIANT}_flash_CM7.ld)
+set(LD_FILE_IAR ${ST_CMSIS}/Source/Templates/iar/linker/${MCU_VARIANT}_flash.icf)
+
+function(update_board TARGET)
+  target_compile_definitions(${TARGET} PUBLIC
+    STM32H750xx
+    HSE_VALUE=25000000
+    CORE_CM7
+    # default to PORT 0
+    BOARD_TUD_RHPORT=0
+    BOARD_TUD_MAX_SPEED=OPT_MODE_FULL_SPEED
+    )
+endfunction()
diff --git a/hw/bsp/stm32h7/boards/stm32h750bdk/board.h b/hw/bsp/stm32h7/boards/stm32h750bdk/board.h
new file mode 100644
index 000000000..c5922efc4
--- /dev/null
+++ b/hw/bsp/stm32h7/boards/stm32h750bdk/board.h
@@ -0,0 +1,144 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021, 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              GPIOJ
+#define LED_PIN               GPIO_PIN_2
+#define LED_STATE_ON          1
+
+// Blue push-button
+#define BUTTON_PORT           GPIOC
+#define BUTTON_PIN            GPIO_PIN_13
+#define BUTTON_STATE_ACTIVE   1
+
+// UART
+#define UART_DEV              USART3
+#define UART_CLK_EN           __HAL_RCC_USART3_CLK_ENABLE
+#define UART_GPIO_PORT        GPIOB
+#define UART_GPIO_AF          GPIO_AF7_USART3
+#define UART_TX_PIN           GPIO_PIN_10
+#define UART_RX_PIN           GPIO_PIN_11
+
+// VBUS Sense detection
+#define OTG_FS_VBUS_SENSE     1
+#define OTG_HS_VBUS_SENSE     0
+
+// USB HS External PHY Pin: CLK, STP, DIR, NXT, D0-D7
+#define ULPI_PINS \
+  {GPIOA, GPIO_PIN_3 }, {GPIOA, GPIO_PIN_5 }, {GPIOB, GPIO_PIN_0 }, {GPIOB, GPIO_PIN_1 }, \
+  {GPIOB, GPIO_PIN_5 }, {GPIOB, GPIO_PIN_10}, {GPIOB, GPIO_PIN_11}, {GPIOB, GPIO_PIN_12}, \
+  {GPIOB, GPIO_PIN_13}, {GPIOC, GPIO_PIN_0 }, {GPIOH, GPIO_PIN_4 }, {GPIOI, GPIO_PIN_11}
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+static inline void SystemClock_Config(void)
+{
+  RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };
+  RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
+  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = { 0 };
+
+  /*!< Supply configuration update enable */
+  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
+
+  /* The voltage scaling allows optimizing the power consumption when the
+     device is clocked below the maximum system frequency, to update the
+     voltage scaling value regarding system frequency refer to product
+     datasheet.  */
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+  while ((PWR->D3CR & (PWR_D3CR_VOSRDY)) != PWR_D3CR_VOSRDY) {}
+
+  /* Enable HSE Oscillator and activate PLL with HSE as source */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
+  RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
+  RCC_OscInitStruct.CSIState = RCC_CSI_OFF;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+
+  /* PLL1 for System Clock */
+  RCC_OscInitStruct.PLL.PLLM = 5;
+  RCC_OscInitStruct.PLL.PLLN = 160;
+  RCC_OscInitStruct.PLL.PLLFRACN = 0;
+  RCC_OscInitStruct.PLL.PLLP = 2;
+  RCC_OscInitStruct.PLL.PLLR = 2;
+  RCC_OscInitStruct.PLL.PLLQ = 4;
+
+  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOMEDIUM;
+  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
+  HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+  /* PLL3 for USB Clock */
+  PeriphClkInitStruct.PLL3.PLL3M = 25;
+  PeriphClkInitStruct.PLL3.PLL3N = 336;
+  PeriphClkInitStruct.PLL3.PLL3FRACN = 0;
+  PeriphClkInitStruct.PLL3.PLL3P = 2;
+  PeriphClkInitStruct.PLL3.PLL3R = 2;
+  PeriphClkInitStruct.PLL3.PLL3Q = 7;
+
+  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
+  PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL3;
+  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
+
+  /* Select PLL as system clock source and configure  bus clocks dividers */
+  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_D1PCLK1 | RCC_CLOCKTYPE_PCLK1 | \
+  RCC_CLOCKTYPE_PCLK2  | RCC_CLOCKTYPE_D3PCLK1);
+
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
+  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1;
+  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
+
+  /*activate CSI clock mondatory for I/O Compensation Cell*/
+  __HAL_RCC_CSI_ENABLE() ;
+
+  /* Enable SYSCFG clock mondatory for I/O Compensation Cell */
+  __HAL_RCC_SYSCFG_CLK_ENABLE() ;
+
+  /* Enables the I/O Compensation Cell */
+  HAL_EnableCompensationCell();
+}
+
+static inline void board_stm32h7_post_init(void)
+{
+  // For this board does nothing
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif
diff --git a/hw/bsp/stm32h7/boards/stm32h750bdk/board.mk b/hw/bsp/stm32h7/boards/stm32h750bdk/board.mk
new file mode 100644
index 000000000..d37a425fb
--- /dev/null
+++ b/hw/bsp/stm32h7/boards/stm32h750bdk/board.mk
@@ -0,0 +1,21 @@
+# STM32H745I-DISCO uses OTG_FS
+# FIXME: Reset enumerates, un/replug USB plug does not enumerate
+
+CFLAGS += -DSTM32H750xx -DCORE_CM7 -DHSE_VALUE=25000000
+
+# Default is FulSpeed port
+PORT ?= 0
+
+# GCC
+SRC_S_GCC += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32h750xx.s
+LD_FILE_GCC = $(BOARD_PATH)/stm32h750xx_flash_CM7.ld
+
+# IAR
+SRC_S_IAR += $(ST_CMSIS)/Source/Templates/iar/startup_stm32h750xx.s
+LD_FILE_IAR = $(ST_CMSIS)/Source/Templates/iar/linker/stm32h750xx_flash.icf
+
+# For flash-jlink target
+JLINK_DEVICE = stm32h750xb_m7
+
+# flash target using on-board stlink
+flash: flash-stlink
diff --git a/hw/bsp/stm32h7/boards/stm32h750bdk/stm32h750xx_flash_CM7.ld b/hw/bsp/stm32h7/boards/stm32h750bdk/stm32h750xx_flash_CM7.ld
new file mode 100644
index 000000000..30f220a42
--- /dev/null
+++ b/hw/bsp/stm32h7/boards/stm32h750bdk/stm32h750xx_flash_CM7.ld
@@ -0,0 +1,170 @@
+/*
+******************************************************************************
+**
+
+**  File        : LinkerScript.ld
+**
+**
+**  Abstract    : Linker script for STM32H7 series
+**                128Kbytes FLASH and 1Mbytes 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.
+**
+*****************************************************************************
+** @attention
+**
+** Copyright (c) 2019 STMicroelectronics.
+** All rights reserved.
+**
+** This software component is licensed by ST under BSD 3-Clause license,
+** the "License"; You may not use this file except in compliance with the
+** License. You may obtain a copy of the License at:
+**                        opensource.org/licenses/BSD-3-Clause
+**
+****************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = 0x20020000;    /* 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 = 1M
+ITCMRAM (xrw)      : ORIGIN = 0x00000000, LENGTH = 64K
+}
+
+/* Define output sections */
+SECTIONS
+{
+  /* The startup code goes first into FLASH */
+  .isr_vector :
+  {
+    . = ALIGN(4);
+    KEEP(*(.isr_vector)) /* Startup code */
+    . = ALIGN(4);
+  } >FLASH
+
+  /* The program code and other data goes into FLASH */
+  .text :
+  {
+    . = ALIGN(4);
+    *(.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(4);
+    _etext = .;        /* define a global symbols at end of code */
+  } >FLASH
+
+  /* Constant data goes into FLASH */
+  .rodata :
+  {
+    . = ALIGN(4);
+    *(.rodata)         /* .rodata sections (constants, strings, etc.) */
+    *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
+    . = ALIGN(4);
+  } >FLASH
+
+  .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
+  .ARM : {
+    __exidx_start = .;
+    *(.ARM.exidx*)
+    __exidx_end = .;
+  } >FLASH
+
+  .preinit_array     :
+  {
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array*))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+  } >FLASH
+  .init_array :
+  {
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array*))
+    PROVIDE_HIDDEN (__init_array_end = .);
+  } >FLASH
+  .fini_array :
+  {
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(SORT(.fini_array.*)))
+    KEEP (*(.fini_array*))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+  } >FLASH
+
+  /* used by the startup to initialize data */
+  _sidata = LOADADDR(.data);
+
+  /* Initialized data sections goes into RAM, load LMA copy after code */
+  .data :
+  {
+    . = ALIGN(4);
+    _sdata = .;        /* create a global symbol at data start */
+    *(.data)           /* .data sections */
+    *(.data*)          /* .data* sections */
+
+    . = ALIGN(4);
+    _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 section */
+    _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) }
+}