Merge pull request #1180 from hathach/add-xmc4500

Add xmc4500

.github/workflows/build_arm.yml

@@ -57,6 +57,7 @@ jobs:
         - 'stm32f7'
         - 'stm32h7'
         - 'stm32l4'
+        - 'xmc4000'
     steps:
     - name: Setup Python
       uses: actions/setup-python@v2

.gitmodules

@@ -131,3 +131,6 @@
 	path = hw/mcu/broadcom
 	url = https://github.com/adafruit/broadcom-peripherals.git
 	branch = main-build
+[submodule "hw/mcu/infineon/mtb-xmclib-cat3"]
+	path = hw/mcu/infineon/mtb-xmclib-cat3
+	url = https://github.com/Infineon/mtb-xmclib-cat3.git

README.rst

@@ -34,6 +34,7 @@ The stack supports the following MCUs:
 
 - **Dialog:** DA1469x
 - **Espressif:** ESP32-S2, ESP32-S3
+- **Infineon:** XMC4500
 - **MicroChip:** SAMD11, SAMD21, SAMD51, SAME5x, SAMG55, SAML21, SAML22, SAME7x
 - **NordicSemi:** nRF52833, nRF52840, nRF5340
 - **Nuvoton:** NUC120, NUC121/NUC125, NUC126, NUC505

docs/reference/supported.rst

@@ -149,6 +149,14 @@ Espressif ESP32-S2
 -  `ESP32-S2-Kaluga-1 <https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-esp32-s2-kaluga-1-kit.html>`__
 -  `ESP32-S2-Saola-1 <https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-saola-1-v1.2.html>`__
 
+Infineon
+---------
+
+XMC4000
+^^^^^^^
+
+-  `XMC4500 Relax (Lite) Kit <https://www.infineon.com/cms/en/product/evaluation-boards/kit_xmc45_relax_lite_v1/>`__
+
 MicroChip
 ---------
 

examples/device/board_test/src/main.c

@@ -47,6 +47,7 @@ enum  {
 int main(void)
 {
   board_init();
+  board_led_write(true);
 
   uint32_t start_ms = 0;
   bool led_state = false;

hw/bsp/board_mcu.h

@@ -136,6 +136,10 @@
 
 #elif CFG_TUSB_MCU == OPT_MCU_MM32F327X
   #include "mm32_device.h"
+
+#elif CFG_TUSB_MCU == OPT_MCU_XMC4000
+  #include "xmc_device.h"
+
 #else
   #error "Missing MCU header"
 #endif

hw/bsp/stm32f7/boards/stm32f746nucleo/board.h

@@ -76,6 +76,8 @@ static inline void board_clock_init(void)
   RCC_OscInitStruct.PLL.PLLQ = 9;
   HAL_RCC_OscConfig(&RCC_OscInitStruct);
 
+  // TODO need to enable usb clock source
+
   /* Activate the OverDrive to reach the 216 MHz Frequency */
   HAL_PWREx_EnableOverDrive();
 

hw/bsp/stm32g4/boards/stm32g474nucleo/STM32G474RETx_FLASH.ld

@@ -0,0 +1,190 @@
+/*
+******************************************************************************
+**
+
+**  File        : LinkerScript.ld
+**
+**  Author		: Auto-generated by Ac6 System Workbench
+**
+**  Abstract    : Linker script for STM32G474RETx series
+**                512Kbytes FLASH and 160Kbytes 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
+**
+** <h2><center>&copy; COPYRIGHT(c) 2014 Ac6</center></h2>
+**
+** Redistribution and use in source and binary forms, with or without modification,
+** are permitted provided that the following conditions are met:
+**   1. Redistributions of source code must retain the above copyright notice,
+**      this list of conditions and the following disclaimer.
+**   2. Redistributions in binary form must reproduce the above copyright notice,
+**      this list of conditions and the following disclaimer in the documentation
+**      and/or other materials provided with the distribution.
+**   3. Neither the name of Ac6 nor the names of its contributors
+**      may be used to endorse or promote products derived from this software
+**      without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+*****************************************************************************
+*/
+
+/* 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 = 512K
+RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 128K
+CCMSRAM (xrw)      : ORIGIN = 0x10000000, LENGTH = 32K
+}
+
+/* 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 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) }
+}
+
+

hw/bsp/stm32g4/boards/stm32g474nucleo/board.h

@@ -0,0 +1,130 @@
+/*
+ * 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
+
+// G474RE Nucleo does not has usb connection. We need to manually connect
+// - PA11 for D+, CN10.14
+// - PA12 for D-, CN10.12
+
+// LED
+#define LED_PORT              GPIOA
+#define LED_PIN               GPIO_PIN_5
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PORT           GPIOC
+#define BUTTON_PIN            GPIO_PIN_13
+#define BUTTON_STATE_ACTIVE   1
+
+// UART Enable for STLink VCOM
+#define UART_DEV              LPUART1
+#define UART_CLK_EN           __HAL_RCC_LPUART1_CLK_ENABLE
+#define UART_GPIO_PORT        GPIOA
+#define UART_GPIO_AF          GPIO_AF12_LPUART1
+#define UART_TX_PIN           GPIO_PIN_2
+#define UART_RX_PIN           GPIO_PIN_3
+
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+static inline void board_clock_init(void)
+{
+  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+
+  // Configure the main internal regulator output voltage
+  HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST);
+
+  // Initializes the CPU, AHB and APB busses clocks
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.HSIState = RCC_HSI_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 = RCC_PLLM_DIV4;
+  RCC_OscInitStruct.PLL.PLLN = 85;
+  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+  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 busses 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_8);
+
+#if 0 // TODO need to check if USB clock is enabled
+  /* Enable HSI48 */
+  memset(&RCC_OscInitStruct, 0, sizeof(RCC_OscInitStruct));
+
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
+  RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+  HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+  /*Enable CRS Clock*/
+  RCC_CRSInitTypeDef RCC_CRSInitStruct= {0};
+  __HAL_RCC_CRS_CLK_ENABLE();
+
+  /* Default Synchro Signal division factor (not divided) */
+  RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
+
+  /* Set the SYNCSRC[1:0] bits according to CRS_Source value */
+  RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB;
+
+  /* HSI48 is synchronized with USB SOF at 1KHz rate */
+  RCC_CRSInitStruct.ReloadValue =  __HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000, 1000);
+  RCC_CRSInitStruct.ErrorLimitValue = RCC_CRS_ERRORLIMIT_DEFAULT;
+
+  /* Set the TRIM[5:0] to the default value */
+  RCC_CRSInitStruct.HSI48CalibrationValue = RCC_CRS_HSI48CALIBRATION_DEFAULT;
+
+  /* Start automatic synchronization */
+  HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct);
+#endif
+}
+
+static inline void board_vbus_sense_init(void)
+{
+  // Enable VBUS sense (B device) via pin PA9
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

hw/bsp/stm32g4/boards/stm32g474nucleo/board.mk

@@ -0,0 +1,8 @@
+CFLAGS += -DSTM32G474xx
+
+LD_FILE = $(BOARD_PATH)/STM32G474RETx_FLASH.ld
+
+SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32g474xx.s
+
+# For flash-jlink target
+JLINK_DEVICE = stm32g474re

hw/bsp/stm32g4/family.c

@@ -0,0 +1,186 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 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.
+ */
+
+#include "stm32g4xx_hal.h"
+#include "bsp/board.h"
+#include "board.h"
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB_HP_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+void USB_LP_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+void USBWakeUp_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+UART_HandleTypeDef UartHandle;
+
+void board_init(void)
+{
+  board_clock_init();
+
+  // Enable All GPIOs clocks
+  __HAL_RCC_GPIOA_CLK_ENABLE();
+  __HAL_RCC_GPIOB_CLK_ENABLE();
+  __HAL_RCC_GPIOC_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
+  __HAL_RCC_GPIOE_CLK_ENABLE();
+  __HAL_RCC_GPIOG_CLK_ENABLE();
+
+  UART_CLK_EN();
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+  // Explicitly disable systick to prevent its ISR runs before scheduler start
+  SysTick->CTRL &= ~1U;
+
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(OTG_FS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
+
+  GPIO_InitTypeDef  GPIO_InitStruct;
+
+  // LED
+  GPIO_InitStruct.Pin = LED_PIN;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+  HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
+
+  board_led_write(false);
+
+  // Button
+  GPIO_InitStruct.Pin = BUTTON_PIN;
+  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+  GPIO_InitStruct.Pull = BUTTON_STATE_ACTIVE ? GPIO_PULLDOWN : GPIO_PULLUP;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+  HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
+
+#ifdef UART_DEV
+  // UART
+  GPIO_InitStruct.Pin       = UART_TX_PIN | UART_RX_PIN;
+  GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull      = GPIO_PULLUP;
+  GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
+  GPIO_InitStruct.Alternate = UART_GPIO_AF;
+  HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct);
+
+  UartHandle = (UART_HandleTypeDef){
+    .Instance        = UART_DEV,
+    .Init.BaudRate   = CFG_BOARD_UART_BAUDRATE,
+    .Init.WordLength = UART_WORDLENGTH_8B,
+    .Init.StopBits   = UART_STOPBITS_1,
+    .Init.Parity     = UART_PARITY_NONE,
+    .Init.HwFlowCtl  = UART_HWCONTROL_NONE,
+    .Init.Mode       = UART_MODE_TX_RX,
+    .Init.OverSampling = UART_OVERSAMPLING_16
+  };
+  HAL_UART_Init(&UartHandle);
+#endif
+
+  // USB Pins TODO double check USB clock and pin setup
+  // Configure USB DM and DP pins. This is optional, and maintained only for user guidance.
+//  GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
+//  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+//  GPIO_InitStruct.Pull = GPIO_NOPULL;
+//  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+//  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+//
+//  __HAL_RCC_USB_CLK_ENABLE();
+
+  board_vbus_sense_init();
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  HAL_GPIO_WritePin(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+}
+
+uint32_t board_button_read(void)
+{
+  return BUTTON_STATE_ACTIVE == HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN);
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  (void) buf; (void) len;
+  return 0;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+#ifdef UART_DEV
+  HAL_UART_Transmit(&UartHandle, (uint8_t*)(uintptr_t) buf, len, 0xffff);
+  return len;
+#else
+  (void) buf; (void) len; (void) UartHandle;
+  return 0;
+#endif
+}
+
+#if CFG_TUSB_OS  == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler (void)
+{
+  system_ticks++;
+}
+
+uint32_t board_millis(void)
+{
+  return system_ticks;
+}
+#endif
+
+void HardFault_Handler (void)
+{
+  asm("bkpt");
+}
+
+// Required by __libc_init_array in startup code if we are compiling using
+// -nostdlib/-nostartfiles.
+void _init(void)
+{
+
+}

hw/bsp/stm32g4/family.mk

@@ -0,0 +1,44 @@
+UF2_FAMILY_ID = 0x4c71240a
+ST_FAMILY = g4
+DEPS_SUBMODULES += lib/CMSIS_5 hw/mcu/st/cmsis_device_$(ST_FAMILY) hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
+
+ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
+ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib -nostartfiles \
+  -DCFG_TUSB_MCU=OPT_MCU_STM32G4
+
+# suppress warning caused by vendor mcu driver
+CFLAGS += -Wno-error=cast-align
+
+SRC_C += \
+	src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
+	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_pwr_ex.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c \
+	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c
+
+INC += \
+	$(TOP)/$(BOARD_PATH) \
+	$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
+	$(TOP)/$(ST_CMSIS)/Include \
+	$(TOP)/$(ST_HAL_DRIVER)/Inc
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM4F
+
+# flash target using on-board stlink
+flash: flash-stlink

hw/bsp/stm32g4/stm32g4xx_hal_conf.h

@@ -0,0 +1,381 @@
+/**
+  ******************************************************************************
+  * @file    stm32g4xx_hal_conf.h
+  * @author  MCD Application Team
+  * @brief   HAL configuration file
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * 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
+  *
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32G4xx_HAL_CONF_H
+#define STM32G4xx_HAL_CONF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+/**
+  * @brief This is the list of modules to be used in the HAL driver 
+  */
+  
+#define HAL_MODULE_ENABLED  
+
+  /*#define HAL_ADC_MODULE_ENABLED   */
+/*#define HAL_COMP_MODULE_ENABLED   */
+/*#define HAL_CORDIC_MODULE_ENABLED   */
+/*#define HAL_CRC_MODULE_ENABLED   */
+/*#define HAL_CRYP_MODULE_ENABLED   */
+/*#define HAL_DAC_MODULE_ENABLED   */
+/*#define HAL_FDCAN_MODULE_ENABLED   */
+/*#define HAL_FMAC_MODULE_ENABLED   */
+/*#define HAL_HRTIM_MODULE_ENABLED   */
+/*#define HAL_IRDA_MODULE_ENABLED   */
+/*#define HAL_IWDG_MODULE_ENABLED   */
+/*#define HAL_I2C_MODULE_ENABLED   */
+/*#define HAL_I2S_MODULE_ENABLED   */
+/*#define HAL_LPTIM_MODULE_ENABLED   */
+/*#define HAL_NAND_MODULE_ENABLED   */
+/*#define HAL_NOR_MODULE_ENABLED   */
+/*#define HAL_OPAMP_MODULE_ENABLED   */
+/*#define HAL_PCD_MODULE_ENABLED   */
+/*#define HAL_QSPI_MODULE_ENABLED   */
+/*#define HAL_RNG_MODULE_ENABLED   */
+/*#define HAL_RTC_MODULE_ENABLED   */
+/*#define HAL_SAI_MODULE_ENABLED   */
+/*#define HAL_SMARTCARD_MODULE_ENABLED   */
+/*#define HAL_SMBUS_MODULE_ENABLED   */
+/*#define HAL_SPI_MODULE_ENABLED   */
+/*#define HAL_SRAM_MODULE_ENABLED   */
+/*#define HAL_TIM_MODULE_ENABLED   */
+#define HAL_UART_MODULE_ENABLED
+/*#define HAL_USART_MODULE_ENABLED   */
+/*#define HAL_WWDG_MODULE_ENABLED   */
+#define HAL_GPIO_MODULE_ENABLED
+#define HAL_EXTI_MODULE_ENABLED
+#define HAL_DMA_MODULE_ENABLED
+#define HAL_RCC_MODULE_ENABLED
+#define HAL_FLASH_MODULE_ENABLED
+#define HAL_PWR_MODULE_ENABLED
+#define HAL_CORTEX_MODULE_ENABLED
+
+/* ########################## Register Callbacks selection ############################## */
+/**
+  * @brief This is the list of modules where register callback can be used
+  */
+#define USE_HAL_ADC_REGISTER_CALLBACKS        0U
+#define USE_HAL_COMP_REGISTER_CALLBACKS       0U
+#define USE_HAL_CORDIC_REGISTER_CALLBACKS     0U
+#define USE_HAL_CRYP_REGISTER_CALLBACKS       0U
+#define USE_HAL_DAC_REGISTER_CALLBACKS        0U
+#define USE_HAL_EXTI_REGISTER_CALLBACKS       0U
+#define USE_HAL_FDCAN_REGISTER_CALLBACKS      0U
+#define USE_HAL_FMAC_REGISTER_CALLBACKS       0U
+#define USE_HAL_HRTIM_REGISTER_CALLBACKS      0U
+#define USE_HAL_I2C_REGISTER_CALLBACKS        0U
+#define USE_HAL_I2S_REGISTER_CALLBACKS        0U
+#define USE_HAL_IRDA_REGISTER_CALLBACKS       0U
+#define USE_HAL_LPTIM_REGISTER_CALLBACKS      0U
+#define USE_HAL_NAND_REGISTER_CALLBACKS       0U
+#define USE_HAL_NOR_REGISTER_CALLBACKS        0U
+#define USE_HAL_OPAMP_REGISTER_CALLBACKS      0U
+#define USE_HAL_PCD_REGISTER_CALLBACKS        0U
+#define USE_HAL_QSPI_REGISTER_CALLBACKS       0U
+#define USE_HAL_RNG_REGISTER_CALLBACKS        0U
+#define USE_HAL_RTC_REGISTER_CALLBACKS        0U
+#define USE_HAL_SAI_REGISTER_CALLBACKS        0U
+#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS  0U
+#define USE_HAL_SMBUS_REGISTER_CALLBACKS      0U
+#define USE_HAL_SPI_REGISTER_CALLBACKS        0U
+#define USE_HAL_SRAM_REGISTER_CALLBACKS       0U
+#define USE_HAL_TIM_REGISTER_CALLBACKS        0U
+#define USE_HAL_UART_REGISTER_CALLBACKS       0U
+#define USE_HAL_USART_REGISTER_CALLBACKS      0U
+#define USE_HAL_WWDG_REGISTER_CALLBACKS       0U
+
+/* ########################## Oscillator Values adaptation ####################*/
+/**
+  * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSE is used as system clock source, directly or through the PLL).  
+  */
+#if !defined  (HSE_VALUE) 
+  #define HSE_VALUE    (24000000UL) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined  (HSE_STARTUP_TIMEOUT)
+  #define HSE_STARTUP_TIMEOUT    (100UL)   /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief Internal High Speed oscillator (HSI) value.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSI is used as system clock source, directly or through the PLL). 
+  */
+#if !defined  (HSI_VALUE)
+  #define HSI_VALUE    (16000000UL) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+  * @brief Internal High Speed oscillator (HSI48) value for USB FS and RNG.
+  *        This internal oscillator is mainly dedicated to provide a high precision clock to
+  *        the USB peripheral by means of a special Clock Recovery System (CRS) circuitry.
+  *        When the CRS is not used, the HSI48 RC oscillator runs on it default frequency
+  *        which is subject to manufacturing process variations.
+  */
+#if !defined  (HSI48_VALUE)
+  #define HSI48_VALUE   (48000000UL) /*!< Value of the Internal High Speed oscillator for USB FS/RNG in Hz.
+                                               The real value my vary depending on manufacturing process variations.*/
+#endif /* HSI48_VALUE */
+
+/**
+  * @brief Internal Low Speed oscillator (LSI) value.
+  */
+#if !defined  (LSI_VALUE) 
+/*!< Value of the Internal Low Speed oscillator in Hz
+The real value may vary depending on the variations in voltage and temperature.*/
+#define LSI_VALUE  (32000UL)     /*!< LSI Typical Value in Hz*/    
+#endif /* LSI_VALUE */
+/**
+  * @brief External Low Speed oscillator (LSE) value.
+  *        This value is used by the UART, RTC HAL module to compute the system frequency
+  */
+#if !defined  (LSE_VALUE)
+#define LSE_VALUE  (32768UL)    /*!< Value of the External Low Speed oscillator in Hz */
+#endif /* LSE_VALUE */     
+
+#if !defined  (LSE_STARTUP_TIMEOUT)
+#define LSE_STARTUP_TIMEOUT    (5000UL)   /*!< Time out for LSE start up, in ms */
+#endif /* LSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief External clock source for I2S and SAI peripherals
+  *        This value is used by the I2S and SAI HAL modules to compute the I2S and SAI clock source
+  *        frequency, this source is inserted directly through I2S_CKIN pad.
+  */
+#if !defined  (EXTERNAL_CLOCK_VALUE)
+#define EXTERNAL_CLOCK_VALUE    (12288000UL) /*!< Value of the External oscillator in Hz*/
+#endif /* EXTERNAL_CLOCK_VALUE */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+   ===  you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+  * @brief This is the HAL system configuration section
+  */     
+
+#define  VDD_VALUE                   (3300UL) /*!< Value of VDD in mv */
+#define  TICK_INT_PRIORITY           (0UL)    /*!< tick interrupt priority (lowest by default)  */            
+#define  USE_RTOS                     0U
+#define  PREFETCH_ENABLE              0U
+#define  INSTRUCTION_CACHE_ENABLE     1U
+#define  DATA_CACHE_ENABLE            1U
+
+/* ########################## Assert Selection ############################## */
+/**
+  * @brief Uncomment the line below to expanse the "assert_param" macro in the 
+  *        HAL drivers code
+  */
+/* #define USE_FULL_ASSERT    1U */
+
+/* ################## SPI peripheral configuration ########################## */
+
+/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
+ * Activated: CRC code is present inside driver
+ * Deactivated: CRC code cleaned from driver
+ */
+
+#define USE_SPI_CRC                   0U
+
+/* Includes ------------------------------------------------------------------*/
+/**
+  * @brief Include module's header file
+  */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+#include "stm32g4xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+#include "stm32g4xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+#include "stm32g4xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+
+#ifdef HAL_CORTEX_MODULE_ENABLED
+#include "stm32g4xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+#include "stm32g4xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_COMP_MODULE_ENABLED
+#include "stm32g4xx_hal_comp.h"
+#endif /* HAL_COMP_MODULE_ENABLED */
+
+#ifdef HAL_CORDIC_MODULE_ENABLED
+#include "stm32g4xx_hal_cordic.h"
+#endif /* HAL_CORDIC_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+#include "stm32g4xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+#include "stm32g4xx_hal_cryp.h"
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+#include "stm32g4xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_EXTI_MODULE_ENABLED
+#include "stm32g4xx_hal_exti.h"
+#endif /* HAL_EXTI_MODULE_ENABLED */
+
+#ifdef HAL_FDCAN_MODULE_ENABLED
+#include "stm32g4xx_hal_fdcan.h"
+#endif /* HAL_FDCAN_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+#include "stm32g4xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+#ifdef HAL_FMAC_MODULE_ENABLED
+#include "stm32g4xx_hal_fmac.h"
+#endif /* HAL_FMAC_MODULE_ENABLED */
+
+#ifdef HAL_HRTIM_MODULE_ENABLED
+#include "stm32g4xx_hal_hrtim.h"
+#endif /* HAL_HRTIM_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+#include "stm32g4xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+#include "stm32g4xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+#include "stm32g4xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_I2S_MODULE_ENABLED
+#include "stm32g4xx_hal_i2s.h"
+#endif /* HAL_I2S_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+#include "stm32g4xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+
+#ifdef HAL_NAND_MODULE_ENABLED
+#include "stm32g4xx_hal_nand.h"
+#endif /* HAL_NAND_MODULE_ENABLED */
+
+#ifdef HAL_NOR_MODULE_ENABLED
+#include "stm32g4xx_hal_nor.h"
+#endif /* HAL_NOR_MODULE_ENABLED */
+
+#ifdef HAL_OPAMP_MODULE_ENABLED
+#include "stm32g4xx_hal_opamp.h"
+#endif /* HAL_OPAMP_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+#include "stm32g4xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+#include "stm32g4xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+#include "stm32g4xx_hal_qspi.h"
+#endif /* HAL_QSPI_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+#include "stm32g4xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+#include "stm32g4xx_hal_rtc.h"
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SAI_MODULE_ENABLED
+#include "stm32g4xx_hal_sai.h"
+#endif /* HAL_SAI_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+#include "stm32g4xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+#include "stm32g4xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+#include "stm32g4xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_SRAM_MODULE_ENABLED
+#include "stm32g4xx_hal_sram.h"
+#endif /* HAL_SRAM_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+#include "stm32g4xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+#include "stm32g4xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+#include "stm32g4xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+#include "stm32g4xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef  USE_FULL_ASSERT
+/**
+  * @brief  The assert_param macro is used for function's parameters check.
+  * @param  expr: If expr is false, it calls assert_failed function
+  *         which reports the name of the source file and the source
+  *         line number of the call that failed.
+  *         If expr is true, it returns no value.
+  * @retval None
+  */
+#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+void assert_failed(uint8_t *file, uint32_t line);
+#else
+#define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32G4xx_HAL_CONF_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

hw/bsp/xmc4000/boards/xmc4500_relax/board.h

@@ -0,0 +1,88 @@
+/* 
+ * 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_PIN               P1_1
+#define LED_STATE_ON          1
+
+#define BUTTON_PIN            P1_14
+#define BUTTON_STATE_ACTIVE   0
+
+//#define UART_DEV              USART6
+//#define UART_CLK_EN           __HAL_RCC_USART6_CLK_ENABLE
+//#define UART_GPIO_AF          GPIO_AF8_USART6
+//
+//#define UART_TX_PORT          GPIOC
+//#define UART_TX_PIN           GPIO_PIN_6
+//
+//#define UART_RX_PORT          GPIOC
+//#define UART_RX_PIN           GPIO_PIN_7
+
+static inline void board_clock_init(void)
+{
+  /* Clock configuration */
+  /* fPLL = 120MHz */
+  /* fSYS = 120MHz */
+  /* fUSBPLL = 192MHz */
+  /* fUSB = 48MHz */
+  const XMC_SCU_CLOCK_CONFIG_t clock_config =
+  {
+    .syspll_config.p_div  = 2,
+    .syspll_config.n_div  = 80,
+    .syspll_config.k_div  = 4,
+    .syspll_config.mode   = XMC_SCU_CLOCK_SYSPLL_MODE_NORMAL,
+    .syspll_config.clksrc = XMC_SCU_CLOCK_SYSPLLCLKSRC_OSCHP,
+    .enable_oschp         = true,
+    .calibration_mode     = XMC_SCU_CLOCK_FOFI_CALIBRATION_MODE_FACTORY,
+    .fsys_clksrc          = XMC_SCU_CLOCK_SYSCLKSRC_PLL,
+    .fsys_clkdiv          = 1,
+    .fcpu_clkdiv          = 1,
+    .fccu_clkdiv          = 1,
+    .fperipheral_clkdiv   = 1
+  };
+
+  /* Setup settings for USB clock */
+  XMC_SCU_CLOCK_Init(&clock_config);
+
+  XMC_SCU_CLOCK_EnableUsbPll();
+  XMC_SCU_CLOCK_StartUsbPll(2, 64);
+  XMC_SCU_CLOCK_SetUsbClockDivider(4);
+  XMC_SCU_CLOCK_SetUsbClockSource(XMC_SCU_CLOCK_USBCLKSRC_USBPLL);
+  XMC_SCU_CLOCK_EnableClock(XMC_SCU_CLOCK_USB);
+}
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

hw/bsp/xmc4000/boards/xmc4500_relax/board.mk

@@ -0,0 +1,9 @@
+MCU_VARIANT = XMC4500
+CFLAGS += \
+  -DXMC4500_F100x1024 \
+
+LD_FILE = $(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Source/TOOLCHAIN_GCC_ARM/XMC4500x1024.ld
+
+JLINK_DEVICE = XMC4500-1024
+
+flash: flash-jlink

hw/bsp/xmc4000/family.c

@@ -0,0 +1,130 @@
+/*
+ * 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.
+ */
+
+#include "xmc_gpio.h"
+#include "xmc_scu.h"
+
+#include "bsp/board.h"
+#include "board.h"
+
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB0_0_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+void board_init(void)
+{
+  board_clock_init();
+  SystemCoreClockUpdate();
+
+  // LED
+  XMC_GPIO_CONFIG_t led_cfg;
+  led_cfg.mode = XMC_GPIO_MODE_OUTPUT_PUSH_PULL;
+  led_cfg.output_level = XMC_GPIO_OUTPUT_LEVEL_HIGH;
+  led_cfg.output_strength = XMC_GPIO_OUTPUT_STRENGTH_MEDIUM;
+  XMC_GPIO_Init(LED_PIN, &led_cfg);
+
+  // Button
+  XMC_GPIO_CONFIG_t button_cfg;
+  button_cfg.mode = XMC_GPIO_MODE_INPUT_TRISTATE;
+  XMC_GPIO_Init(BUTTON_PIN, &button_cfg);
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+  // Explicitly disable systick to prevent its ISR runs before scheduler start
+  SysTick->CTRL &= ~1U;
+
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(USB0_0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
+
+  // USB Power Enable
+  XMC_SCU_RESET_DeassertPeripheralReset(XMC_SCU_PERIPHERAL_RESET_USB0);
+  XMC_SCU_POWER_EnableUsb();
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  uint32_t is_high = state ? LED_STATE_ON : (1-LED_STATE_ON);
+
+  XMC_GPIO_SetOutputLevel(LED_PIN, is_high ? XMC_GPIO_OUTPUT_LEVEL_HIGH : XMC_GPIO_OUTPUT_LEVEL_LOW);
+}
+
+uint32_t board_button_read(void)
+{
+  return BUTTON_STATE_ACTIVE == XMC_GPIO_GetInput(BUTTON_PIN);
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+#ifdef UART_DEV
+  for(int i=0;i<len;i++) {
+    buf[i] = uart_getc(uart_inst);
+  }
+  return len;
+#else
+  (void) buf; (void) len;
+  return 0;
+#endif
+}
+
+int board_uart_write(void const * buf, int len)
+{
+#ifdef UART_DEV
+  char const* bufch = (char const*) buf;
+  for(int i=0;i<len;i++) {
+    uart_putc(uart_inst, bufch[i]);
+  }
+  return len;
+#else
+  (void) buf; (void) len;
+  return 0;
+#endif
+}
+
+#if CFG_TUSB_OS  == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler(void)
+{
+  system_ticks++;
+}
+
+uint32_t board_millis(void)
+{
+  return system_ticks;
+}
+#endif

hw/bsp/xmc4000/family.mk

@@ -0,0 +1,40 @@
+UF2_FAMILY_ID = 0x00
+MCU_DIR = hw/mcu/infineon/mtb-xmclib-cat3
+
+DEPS_SUBMODULES += $(MCU_DIR)
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib -nostartfiles \
+  -DCFG_TUSB_MCU=OPT_MCU_XMC4000
+
+# mcu driver cause following warnings
+#CFLAGS += -Wno-error=shadow -Wno-error=cast-align
+
+SKIP_NANOLIB = 1
+
+SRC_C += \
+	src/portable/synopsys/dwc2/dcd_dwc2.c \
+	$(MCU_DIR)/Newlib/syscalls.c \
+	$(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Source/system_$(MCU_VARIANT).c \
+	$(MCU_DIR)/XMCLib/src/xmc4_gpio.c \
+	$(MCU_DIR)/XMCLib/src/xmc4_scu.c
+
+
+SRC_S += $(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Source/TOOLCHAIN_GCC_ARM/startup_$(MCU_VARIANT).S
+
+INC += \
+  $(TOP)/$(BOARD_PATH) \
+	$(TOP)/$(MCU_DIR)/CMSIS/Core/Include \
+	$(TOP)/$(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Include \
+	$(TOP)/$(MCU_DIR)/XMCLib/inc
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM4F

hw/mcu/infineon/mtb-xmclib-cat3

@@ -0,0 +1 @@
+Subproject commit daf5500d03cba23e68c2f241c30af79cd9d63880

src/device/dcd_attr.h

@@ -119,6 +119,9 @@
   #define DCD_ATTR_ENDPOINT_MAX   9
   #define DCD_ATTR_DWC2_STM32
 
+#elif TU_CHECK_MCU(OPT_MCU_STM32G4)
+  #define DCD_ATTR_ENDPOINT_MAX   8
+
 #elif TU_CHECK_MCU(OPT_MCU_STM32L0, OPT_MCU_STM32L1)
   #define DCD_ATTR_ENDPOINT_MAX   8
 
@@ -185,6 +188,10 @@
 #elif TU_CHECK_MCU(OPT_MCU_BCM2711)
   #define DCD_ATTR_ENDPOINT_MAX   8
 
+//------------- Broadcom -------------//
+#elif TU_CHECK_MCU(OPT_MCU_XMC4000)
+  #define DCD_ATTR_ENDPOINT_MAX   8
+
 #else
   #warning "DCD_ATTR_ENDPOINT_MAX is not defined for this MCU, default to 8"
   #define DCD_ATTR_ENDPOINT_MAX   8

src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c

@@ -110,7 +110,7 @@
 #endif
 
 #if TUSB_OPT_DEVICE_ENABLED && \
-      ( TU_CHECK_MCU(OPT_MCU_STM32F0, OPT_MCU_STM32F3, OPT_MCU_STM32L0, OPT_MCU_STM32L1) || \
+      ( 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)) \
       )
 
@@ -296,8 +296,10 @@ void dcd_int_enable (uint8_t rhport)
   __ISB();
 #if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0
   NVIC_EnableIRQ(USB_IRQn);
+
 #elif CFG_TUSB_MCU == OPT_MCU_STM32L1
   NVIC_EnableIRQ(USB_LP_IRQn);
+
 #elif CFG_TUSB_MCU == OPT_MCU_STM32F3
   // Some STM32F302/F303 devices allow to remap the USB interrupt vectors from
   // shared USB/CAN IRQs to separate CAN and USB IRQs.
@@ -320,6 +322,12 @@ void dcd_int_enable (uint8_t rhport)
   NVIC_EnableIRQ(USB_HP_CAN1_TX_IRQn);
   NVIC_EnableIRQ(USB_LP_CAN1_RX0_IRQn);
   NVIC_EnableIRQ(USBWakeUp_IRQn);
+
+#elif CFG_TUSB_MCU == OPT_MCU_STM32G4
+  NVIC_EnableIRQ(USB_HP_IRQn);
+  NVIC_EnableIRQ(USB_LP_IRQn);
+  NVIC_EnableIRQ(USBWakeUp_IRQn);
+
 #else
   #error Unknown arch in USB driver
 #endif
@@ -356,6 +364,12 @@ void dcd_int_disable(uint8_t rhport)
   NVIC_DisableIRQ(USB_HP_CAN1_TX_IRQn);
   NVIC_DisableIRQ(USB_LP_CAN1_RX0_IRQn);
   NVIC_DisableIRQ(USBWakeUp_IRQn);
+
+#elif CFG_TUSB_MCU == OPT_MCU_STM32G4
+  NVIC_DisableIRQ(USB_HP_IRQn);
+  NVIC_DisableIRQ(USB_LP_IRQn);
+  NVIC_DisableIRQ(USBWakeUp_IRQn);
+
 #else
   #error Unknown arch in USB driver
 #endif

src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h

@@ -87,6 +87,10 @@
   #include "stm32l1xx.h"
   #define PMA_LENGTH (512u)
 
+#elif CFG_TUSB_MCU == OPT_MCU_STM32G4
+  #include "stm32g4xx.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

src/portable/synopsys/dwc2/dcd_dwc2.c

@@ -33,7 +33,7 @@
 #if TUSB_OPT_DEVICE_ENABLED && \
     ( defined(DCD_ATTR_DWC2_STM32) || \
       TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3, OPT_MCU_GD32VF103) || \
-      TU_CHECK_MCU(OPT_MCU_EFM32GG, OPT_MCU_BCM2711) )
+      TU_CHECK_MCU(OPT_MCU_EFM32GG, OPT_MCU_BCM2711, OPT_MCU_XMC4000) )
 
 #include "device/dcd.h"
 #include "dwc2_type.h"
@@ -48,6 +48,8 @@
   #include "dwc2_bcm.h"
 #elif TU_CHECK_MCU(OPT_MCU_EFM32GG)
   #include "dwc2_efm32.h"
+#elif TU_CHECK_MCU(OPT_MCU_XMC4000)
+  #include "dwc2_xmc.h"
 #else
   #error "Unsupported MCUs"
 #endif

src/portable/synopsys/dwc2/dwc2_xmc.h

@@ -0,0 +1,87 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Rafael Silva (@perigoso)
+ * 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 _DWC2_XMC_H_
+#define _DWC2_XMC_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#include "xmc_device.h"
+
+// XMC has custom control register before DWC registers
+#define DWC2_REG_BASE       USB0_BASE
+#define DWC2_EP_MAX         7
+#define DWC2_EP_FIFO_SIZE   2048
+
+TU_ATTR_ALWAYS_INLINE
+static inline void dwc2_dcd_int_enable(uint8_t rhport)
+{
+  (void) rhport;
+  NVIC_EnableIRQ(USB0_0_IRQn);
+}
+
+TU_ATTR_ALWAYS_INLINE
+static inline void dwc2_dcd_int_disable (uint8_t rhport)
+{
+  (void) rhport;
+  NVIC_DisableIRQ(USB0_0_IRQn);
+}
+
+static inline void dwc2_remote_wakeup_delay(void)
+{
+  // try to delay for 1 ms
+//  uint32_t count = SystemCoreClock / 1000;
+//  while ( count-- ) __NOP();
+}
+
+// MCU specific PHY init, called BEFORE core reset
+static inline void dwc2_phy_init(dwc2_regs_t * dwc2, uint8_t hs_phy_type)
+{
+  (void) dwc2;
+  (void) hs_phy_type;
+
+  // Enable PHY
+  //USB->ROUTE = USB_ROUTE_PHYPEN;
+}
+
+// MCU specific PHY update, it is called AFTER init() and core reset
+static inline void dwc2_phy_update(dwc2_regs_t * dwc2, uint8_t hs_phy_type)
+{
+  (void) dwc2;
+  (void) hs_phy_type;
+
+  // XMC Manual: turn around must be 5 (reset & default value)
+  // dwc2->gusbcfg = (dwc2->gusbcfg & ~GUSBCFG_TRDT_Msk) | (5u << GUSBCFG_TRDT_Pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

src/portable/synopsys/dwc2/hwcfg_list.md

@@ -720,3 +720,58 @@ hw_cfg4->dedicated_fifos = 0
 hw_cfg4->num_dev_in_eps = 0
 hw_cfg4->dma_desc_enable = 0
 hw_cfg4->dma_dynamic = 0
+
+## XMC4500
+
+dwc2->guid = AEC000
+dwc2->gsnpsid = 4F54292A
+dwc2->ghwcfg1 = 0
+
+dwc2->ghwcfg2 = 228F5930
+hw_cfg2->op_mode = 0
+hw_cfg2->arch = 2
+hw_cfg2->point2point = 1
+hw_cfg2->hs_phy_type = 0
+hw_cfg2->fs_phy_type = 1
+hw_cfg2->num_dev_ep = 6
+hw_cfg2->num_host_ch = 13
+hw_cfg2->period_channel_support = 1
+hw_cfg2->enable_dynamic_fifo = 1
+hw_cfg2->mul_cpu_int = 0
+hw_cfg2->nperiod_tx_q_depth = 2
+hw_cfg2->host_period_tx_q_depth = 2
+hw_cfg2->dev_token_q_depth = 8
+hw_cfg2->otg_enable_ic_usb = 0
+
+dwc2->ghwcfg3 = 27A01E5
+hw_cfg3->xfer_size_width = 5
+hw_cfg3->packet_size_width = 6
+hw_cfg3->otg_enable = 1
+hw_cfg3->i2c_enable = 1
+hw_cfg3->vendor_ctrl_itf = 0
+hw_cfg3->optional_feature_removed = 0
+hw_cfg3->synch_reset = 0
+hw_cfg3->otg_adp_support = 0
+hw_cfg3->otg_enable_hsic = 0
+hw_cfg3->battery_charger_support = 0
+hw_cfg3->lpm_mode = 0
+hw_cfg3->total_fifo_size = 634
+
+dwc2->ghwcfg4 = DBF08030
+hw_cfg4->num_dev_period_in_ep = 0
+hw_cfg4->power_optimized = 1
+hw_cfg4->ahb_freq_min = 1
+hw_cfg4->hibernation = 0
+hw_cfg4->service_interval_mode = 0
+hw_cfg4->ipg_isoc_en = 0
+hw_cfg4->acg_enable = 0
+hw_cfg4->utmi_phy_data_width = 2
+hw_cfg4->dev_ctrl_ep_num = 0
+hw_cfg4->iddg_filter_enabled = 1
+hw_cfg4->vbus_valid_filter_enabled = 1
+hw_cfg4->a_valid_filter_enabled = 1
+hw_cfg4->b_valid_filter_enabled = 1
+hw_cfg4->dedicated_fifos = 1
+hw_cfg4->num_dev_in_eps = 13
+hw_cfg4->dma_desc_enable = 0
+hw_cfg4->dma_dynamic = 1

src/tusb_option.h

@@ -68,16 +68,18 @@
 #define OPT_MCU_SAMX7X            207 ///< MicroChip SAME70, S70, V70, V71 family
 
 // STM32
-#define OPT_MCU_STM32F0           300 ///< ST STM32F0
-#define OPT_MCU_STM32F1           301 ///< ST STM32F1
-#define OPT_MCU_STM32F2           302 ///< ST STM32F2
-#define OPT_MCU_STM32F3           303 ///< ST STM32F3
-#define OPT_MCU_STM32F4           304 ///< ST STM32F4
-#define OPT_MCU_STM32F7           305 ///< ST STM32F7
-#define OPT_MCU_STM32H7           306 ///< ST STM32H7
-#define OPT_MCU_STM32L0           307 ///< ST STM32L0
-#define OPT_MCU_STM32L1           308 ///< ST STM32L1
-#define OPT_MCU_STM32L4           309 ///< ST STM32L4
+#define OPT_MCU_STM32F0           300 ///< ST F0
+#define OPT_MCU_STM32F1           301 ///< ST F1
+#define OPT_MCU_STM32F2           302 ///< ST F2
+#define OPT_MCU_STM32F3           303 ///< ST F3
+#define OPT_MCU_STM32F4           304 ///< ST F4
+#define OPT_MCU_STM32F7           305 ///< ST F7
+#define OPT_MCU_STM32H7           306 ///< ST H7
+#define OPT_MCU_STM32L1           308 ///< ST L1
+#define OPT_MCU_STM32L0           307 ///< ST L0
+#define OPT_MCU_STM32L4           309 ///< ST L4
+#define OPT_MCU_STM32G0           310 ///< ST G0
+#define OPT_MCU_STM32G4           311 ///< ST G4
 
 // Sony
 #define OPT_MCU_CXD56             400 ///< SONY CXD56
@@ -128,6 +130,9 @@
 // Broadcom
 #define OPT_MCU_BCM2711          1700 ///< Broadcom BCM2711
 
+// Infineon
+#define OPT_MCU_XMC4000          1800 ///< Infineon XMC4000
+
 // Helper to check if configured MCU is one of listed
 // Apply _TU_CHECK_MCU with || as separator to list of input
 #define _TU_CHECK_MCU(_m)   (CFG_TUSB_MCU == _m)