Merge branch 'master' into merge-waveshare-h7

14 files changed, 648 insertions, 75 deletions

diff --git a/hw/bsp/board_mcu.h b/hw/bsp/board_mcu.h
index acfd7348d..8cc50c808 100644
--- a/hw/bsp/board_mcu.h
+++ b/hw/bsp/board_mcu.h
@@ -46,7 +46,8 @@
   #include "chip.h"
 
 #elif CFG_TUSB_MCU == OPT_MCU_LPC51UXX || CFG_TUSB_MCU == OPT_MCU_LPC54XXX || \
-      CFG_TUSB_MCU == OPT_MCU_LPC55XX  || CFG_TUSB_MCU == OPT_MCU_MKL25ZXX
+      CFG_TUSB_MCU == OPT_MCU_LPC55XX  || CFG_TUSB_MCU == OPT_MCU_MKL25ZXX || \
+      CFG_TUSB_MCU == OPT_MCU_K32L2BXX
   #include "fsl_device_registers.h"
 
 #elif CFG_TUSB_MCU == OPT_MCU_NRF5X
diff --git a/hw/bsp/frdm_k32l2b/board.h b/hw/bsp/frdm_k32l2b/board.h
new file mode 100644
index 000000000..825367915
--- /dev/null
+++ b/hw/bsp/frdm_k32l2b/board.h
@@ -0,0 +1,56 @@
+/* 
+ * 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.
+ */
+
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#include "fsl_device_registers.h"
+
+// LED
+#define LED_PIN_CLOCK         kCLOCK_PortD
+#define LED_GPIO              GPIOD
+#define LED_PORT              PORTD
+#define LED_PIN               5
+#define LED_STATE_ON          0
+
+// SW3 button1
+#define BUTTON_PIN_CLOCK      kCLOCK_PortC
+#define BUTTON_GPIO           GPIOC
+#define BUTTON_PORT           PORTC
+#define BUTTON_PIN            3
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_PORT             LPUART0
+#define UART_PIN_CLOCK        kCLOCK_PortA
+#define UART_PIN_PORT         PORTA
+#define UART_PIN_RX           1u
+#define UART_PIN_TX           2u
+#define SOPT5_LPUART0RXSRC_LPUART_RX 0x00u /*!<@brief LPUART0 Receive Data Source Select: LPUART_RX pin */
+#define SOPT5_LPUART0TXSRC_LPUART_TX 0x00u /*!<@brief LPUART0 Transmit Data Source Select: LPUART0_TX pin */
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/frdm_k32l2b/board.mk b/hw/bsp/frdm_k32l2b/board.mk
new file mode 100644
index 000000000..56df553da
--- /dev/null
+++ b/hw/bsp/frdm_k32l2b/board.mk
@@ -0,0 +1,51 @@
+SDK_DIR = hw/mcu/nxp/mcux-sdk
+DEPS_SUBMODULES += $(SDK_DIR)
+
+CFLAGS += \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m0plus \
+  -DCPU_K32L2B31VLH0A \
+  -DCFG_TUSB_MCU=OPT_MCU_K32L2BXX
+
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter
+
+MCU_DIR = $(SDK_DIR)/devices/K32L2B31A
+
+# All source paths should be relative to the top level.
+LD_FILE = $(MCU_DIR)/gcc/K32L2B31xxxxA_flash.ld
+
+SRC_C += \
+	src/portable/nxp/khci/dcd_khci.c \
+	$(MCU_DIR)/system_K32L2B31A.c \
+	$(MCU_DIR)/project_template/clock_config.c \
+	$(MCU_DIR)/drivers/fsl_clock.c \
+	$(SDK_DIR)/drivers/gpio/fsl_gpio.c \
+	$(SDK_DIR)/drivers/lpuart/fsl_lpuart.c
+
+INC += \
+	$(TOP)/hw/bsp/$(BOARD) \
+	$(TOP)/$(SDK_DIR)/CMSIS/Include \
+	$(TOP)/$(SDK_DIR)/drivers/smc \
+	$(TOP)/$(SDK_DIR)/drivers/common \
+	$(TOP)/$(SDK_DIR)/drivers/gpio \
+	$(TOP)/$(SDK_DIR)/drivers/port \
+	$(TOP)/$(SDK_DIR)/drivers/lpuart \
+	$(TOP)/$(MCU_DIR) \
+	$(TOP)/$(MCU_DIR)/drivers \
+	$(TOP)/$(MCU_DIR)/project_template \
+
+SRC_S += $(MCU_DIR)/gcc/startup_K32L2B31A.S
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM0
+
+# For flash-jlink target
+JLINK_DEVICE = MKL25Z128xxx4
+
+# For flash-pyocd target
+PYOCD_TARGET = K32L2B
+
+# flash using pyocd
+flash: flash-pyocd
diff --git a/hw/bsp/frdm_k32l2b/frdm_k32l2b.c b/hw/bsp/frdm_k32l2b/frdm_k32l2b.c
new file mode 100644
index 000000000..c45095caa
--- /dev/null
+++ b/hw/bsp/frdm_k32l2b/frdm_k32l2b.c
@@ -0,0 +1,140 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018, hathach (tinyusb.org)
+ * Copyright (c) 2020, Koji Kitayama
+ *
+ * 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 "../board.h"
+#include "board.h"
+#include "fsl_gpio.h"
+#include "fsl_port.h"
+#include "fsl_clock.h"
+#include "fsl_lpuart.h"
+
+#include "clock_config.h"
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB0_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+void board_init(void)
+{
+  /* Enable port clocks for UART/LED/Button pins */
+  CLOCK_EnableClock(UART_PIN_CLOCK);
+  CLOCK_EnableClock(LED_PIN_CLOCK);
+  CLOCK_EnableClock(BUTTON_PIN_CLOCK);
+
+  gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0 };
+  GPIO_PinInit(LED_GPIO, LED_PIN, &led_config);
+  PORT_SetPinMux(LED_PORT, LED_PIN, kPORT_MuxAsGpio);
+
+  gpio_pin_config_t button_config = { kGPIO_DigitalInput, 0 };
+  GPIO_PinInit(BUTTON_GPIO, BUTTON_PIN, &button_config);
+  const port_pin_config_t BUTTON_CFG = {
+    kPORT_PullUp, 
+    kPORT_FastSlewRate, 
+    kPORT_PassiveFilterDisable, 
+    kPORT_LowDriveStrength, 
+    kPORT_MuxAsGpio
+  };
+  PORT_SetPinConfig(BUTTON_PORT, BUTTON_PIN, &BUTTON_CFG);
+
+  /* PORTA1 (pin 23) is configured as LPUART0_RX */
+  PORT_SetPinMux(PORTA, 1U, kPORT_MuxAlt2);
+  /* PORTA2 (pin 24) is configured as LPUART0_TX */
+  PORT_SetPinMux(PORTA, 2U, kPORT_MuxAlt2);
+  
+  SIM->SOPT5 = ((SIM->SOPT5 &
+               /* Mask bits to zero which are setting */
+               (~(SIM_SOPT5_LPUART0TXSRC_MASK | SIM_SOPT5_LPUART0RXSRC_MASK)))
+               /* LPUART0 Transmit Data Source Select: LPUART0_TX pin. */
+               | SIM_SOPT5_LPUART0TXSRC(SOPT5_LPUART0TXSRC_LPUART_TX)
+               /* LPUART0 Receive Data Source Select: LPUART_RX pin. */
+               | SIM_SOPT5_LPUART0RXSRC(SOPT5_LPUART0RXSRC_LPUART_RX));
+
+  BOARD_BootClockRUN();
+  SystemCoreClockUpdate();
+  CLOCK_SetLpuart0Clock(1);
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
+
+  lpuart_config_t uart_config;
+  LPUART_GetDefaultConfig(&uart_config);
+  uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
+  uart_config.enableTx = true;
+  uart_config.enableRx = true;
+  LPUART_Init(UART_PORT, &uart_config, CLOCK_GetFreq(kCLOCK_McgIrc48MClk));
+
+  // USB
+  CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, 48000000U);
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  GPIO_PinWrite(LED_GPIO, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+}
+
+uint32_t board_button_read(void)
+{
+  return BUTTON_STATE_ACTIVE == GPIO_PinRead(BUTTON_GPIO, BUTTON_PIN);
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  LPUART_ReadBlocking(UART_PORT, buf, len);
+  return len;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  LPUART_WriteBlocking(UART_PORT, (uint8_t*)buf, len);
+  return len;
+}
+
+#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
diff --git a/hw/bsp/stm32f0/family.c b/hw/bsp/stm32f0/family.c
index 351a7c8c6..68b924432 100644
--- a/hw/bsp/stm32f0/family.c
+++ b/hw/bsp/stm32f0/family.c
@@ -64,7 +64,7 @@ void board_init(void)
   SysTick->CTRL &= ~1U;
 
   // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
-  NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+  NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
 #endif
 
   // LED
diff --git a/hw/bsp/stm32f103bluepill/STM32F103XB_FLASH.ld b/hw/bsp/stm32f1/boards/stm32f103_bluepill/STM32F103X8_FLASH.ld
index 4be9df61b..ca1804905 100644
--- a/hw/bsp/stm32f103bluepill/STM32F103XB_FLASH.ld
+++ b/hw/bsp/stm32f1/boards/stm32f103_bluepill/STM32F103X8_FLASH.ld
@@ -41,7 +41,7 @@ _Min_Stack_Size = 0x400; /* required amount of stack */
 /* Specify the memory areas */
 MEMORY
 {
-FLASH (rx)      : ORIGIN = 0x08000000, LENGTH = 128K
+FLASH (rx)      : ORIGIN = 0x08000000, LENGTH = 64K
 RAM (xrw)       : ORIGIN = 0x20000000, LENGTH = 20K
 }
 
diff --git a/hw/bsp/stm32f1/boards/stm32f103_bluepill/board.h b/hw/bsp/stm32f1/boards/stm32f103_bluepill/board.h
new file mode 100644
index 000000000..57a607ed5
--- /dev/null
+++ b/hw/bsp/stm32f1/boards/stm32f103_bluepill/board.h
@@ -0,0 +1,92 @@
+/* 
+ * 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
+
+// LED
+#define LED_PORT              GPIOC
+#define LED_PIN               GPIO_PIN_13
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PORT           GPIOA
+#define BUTTON_PIN            GPIO_PIN_0
+#define BUTTON_STATE_ACTIVE   1
+
+// UART
+//#define UART_DEV              USART1
+//#define UART_CLK_EN           __HAL_RCC_USART1_CLK_ENABLE
+//#define UART_GPIO_PORT        GPIOA
+//#define UART_GPIO_AF          GPIO_AF1_USART1
+//#define UART_TX_PIN           GPIO_PIN_9
+//#define UART_RX_PIN           GPIO_PIN_10
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+static inline void board_stm32f1_clock_init(void)
+{
+  RCC_ClkInitTypeDef clkinitstruct = {0};
+  RCC_OscInitTypeDef oscinitstruct = {0};
+  RCC_PeriphCLKInitTypeDef rccperiphclkinit = {0};
+
+  /* Enable HSE Oscillator and activate PLL with HSE as source */
+  oscinitstruct.OscillatorType  = RCC_OSCILLATORTYPE_HSE;
+  oscinitstruct.HSEState        = RCC_HSE_ON;
+  oscinitstruct.HSEPredivValue  = RCC_HSE_PREDIV_DIV1;
+  oscinitstruct.PLL.PLLMUL      = RCC_PLL_MUL9;
+  oscinitstruct.PLL.PLLState    = RCC_PLL_ON;
+  oscinitstruct.PLL.PLLSource   = RCC_PLLSOURCE_HSE;
+  HAL_RCC_OscConfig(&oscinitstruct);
+
+  /* USB clock selection */
+  rccperiphclkinit.PeriphClockSelection = RCC_PERIPHCLK_USB;
+  rccperiphclkinit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
+  HAL_RCCEx_PeriphCLKConfig(&rccperiphclkinit);
+
+  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
+  clkinitstruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
+  clkinitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  clkinitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  clkinitstruct.APB1CLKDivider = RCC_HCLK_DIV2;
+  clkinitstruct.APB2CLKDivider = RCC_HCLK_DIV1;
+  HAL_RCC_ClockConfig(&clkinitstruct, FLASH_LATENCY_2);
+}
+
+static inline void board_vbus_sense_init(void)
+{
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/stm32f1/boards/stm32f103_bluepill/board.mk b/hw/bsp/stm32f1/boards/stm32f103_bluepill/board.mk
new file mode 100644
index 000000000..9c690ca7e
--- /dev/null
+++ b/hw/bsp/stm32f1/boards/stm32f103_bluepill/board.mk
@@ -0,0 +1,11 @@
+CFLAGS += -DSTM32F103xB -DHSE_VALUE=8000000U
+
+# All source paths should be relative to the top level.
+LD_FILE = $(BOARD_PATH)/STM32F103X8_FLASH.ld
+SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f103xb.s
+
+# For flash-jlink target
+JLINK_DEVICE = stm32f103c8
+
+# flash target ROM bootloader
+flash: flash-dfu-util
diff --git a/hw/bsp/stm32f1/boards/stm32f103_mini_2/STM32F103XC_FLASH.ld b/hw/bsp/stm32f1/boards/stm32f103_mini_2/STM32F103XC_FLASH.ld
new file mode 100644
index 000000000..da40d1eb2
--- /dev/null
+++ b/hw/bsp/stm32f1/boards/stm32f103_mini_2/STM32F103XC_FLASH.ld
@@ -0,0 +1,167 @@
+/*
+*****************************************************************************
+**
+**  File        : STM32F103XB_FLASH.ld
+**
+**  Abstract    : Linker script for STM32F103xB Device with
+**                128KByte FLASH, 20KByte 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 = 0x20004FFF;    /* 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 = 256K
+RAM (xrw)       : ORIGIN = 0x20000000, LENGTH = 48K
+}
+
+/* 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) }
+}
diff --git a/hw/bsp/stm32f1/boards/stm32f103_mini_2/board.h b/hw/bsp/stm32f1/boards/stm32f103_mini_2/board.h
new file mode 100644
index 000000000..bedce7f14
--- /dev/null
+++ b/hw/bsp/stm32f1/boards/stm32f103_mini_2/board.h
@@ -0,0 +1,92 @@
+/* 
+ * 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
+
+// LED
+#define LED_PORT              GPIOA
+#define LED_PIN               GPIO_PIN_8
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PORT           GPIOA
+#define BUTTON_PIN            GPIO_PIN_0
+#define BUTTON_STATE_ACTIVE   1
+
+// UART
+//#define UART_DEV              USART1
+//#define UART_CLK_EN           __HAL_RCC_USART1_CLK_ENABLE
+//#define UART_GPIO_PORT        GPIOA
+//#define UART_GPIO_AF          GPIO_AF1_USART1
+//#define UART_TX_PIN           GPIO_PIN_9
+//#define UART_RX_PIN           GPIO_PIN_10
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+static inline void board_stm32f1_clock_init(void)
+{
+  RCC_ClkInitTypeDef clkinitstruct = {0};
+  RCC_OscInitTypeDef oscinitstruct = {0};
+  RCC_PeriphCLKInitTypeDef rccperiphclkinit = {0};
+
+  /* Enable HSE Oscillator and activate PLL with HSE as source */
+  oscinitstruct.OscillatorType  = RCC_OSCILLATORTYPE_HSE;
+  oscinitstruct.HSEState        = RCC_HSE_ON;
+  oscinitstruct.HSEPredivValue  = RCC_HSE_PREDIV_DIV1;
+  oscinitstruct.PLL.PLLMUL      = RCC_PLL_MUL9;
+  oscinitstruct.PLL.PLLState    = RCC_PLL_ON;
+  oscinitstruct.PLL.PLLSource   = RCC_PLLSOURCE_HSE;
+  HAL_RCC_OscConfig(&oscinitstruct);
+
+  /* USB clock selection */
+  rccperiphclkinit.PeriphClockSelection = RCC_PERIPHCLK_USB;
+  rccperiphclkinit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
+  HAL_RCCEx_PeriphCLKConfig(&rccperiphclkinit);
+
+  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
+  clkinitstruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
+  clkinitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  clkinitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  clkinitstruct.APB1CLKDivider = RCC_HCLK_DIV2;
+  clkinitstruct.APB2CLKDivider = RCC_HCLK_DIV1;
+  HAL_RCC_ClockConfig(&clkinitstruct, FLASH_LATENCY_2);
+}
+
+static inline void board_vbus_sense_init(void)
+{
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/stm32f1/boards/stm32f103_mini_2/board.mk b/hw/bsp/stm32f1/boards/stm32f103_mini_2/board.mk
new file mode 100644
index 000000000..eeda87080
--- /dev/null
+++ b/hw/bsp/stm32f1/boards/stm32f103_mini_2/board.mk
@@ -0,0 +1,11 @@
+CFLAGS += -DSTM32F103xB -DHSE_VALUE=8000000U
+
+# All source paths should be relative to the top level.
+LD_FILE = $(BOARD_PATH)/STM32F103XC_FLASH.ld
+SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f103xb.s
+
+# For flash-jlink target
+JLINK_DEVICE = stm32f103rc
+
+# flash target ROM bootloader
+flash: flash-jlink
diff --git a/hw/bsp/stm32f103bluepill/stm32f103bluepill.c b/hw/bsp/stm32f1/family.c
index 600f3aaef..8fcf9ebd6 100644
--- a/hw/bsp/stm32f103bluepill/stm32f103bluepill.c
+++ b/hw/bsp/stm32f1/family.c
@@ -24,8 +24,9 @@
  * This file is part of the TinyUSB stack.
  */
 
-#include "../board.h"
 #include "stm32f1xx_hal.h"
+#include "bsp/board.h"
+#include "board.h"
 
 //--------------------------------------------------------------------+
 // Forward USB interrupt events to TinyUSB IRQ Handler
@@ -48,90 +49,45 @@ void USBWakeUp_IRQHandler(void)
 //--------------------------------------------------------------------+
 // MACRO TYPEDEF CONSTANT ENUM
 //--------------------------------------------------------------------+
-#define LED_PORT              GPIOC
-#define LED_PIN               GPIO_PIN_13
-#define LED_STATE_ON          0
-
-#define BUTTON_PORT           GPIOA
-#define BUTTON_PIN            GPIO_PIN_0
-#define BUTTON_STATE_ACTIVE   1
-
-
-/**
-  * @brief  System Clock Configuration
-  *         The system Clock is configured as follow :
-  *            System Clock source            = PLL (HSE)
-  *            SYSCLK(Hz)                     = 72000000
-  *            HCLK(Hz)                       = 72000000
-  *            AHB Prescaler                  = 1
-  *            APB1 Prescaler                 = 2
-  *            APB2 Prescaler                 = 1
-  *            HSE Frequency(Hz)              = 8000000
-  *            HSE PREDIV1                    = 1
-  *            PLLMUL                         = 9
-  *            Flash Latency(WS)              = 2
-  * @param  None
-  * @retval None
-  */
-void SystemClock_Config(void)
-{
-  RCC_ClkInitTypeDef clkinitstruct = {0};
-  RCC_OscInitTypeDef oscinitstruct = {0};
-  RCC_PeriphCLKInitTypeDef rccperiphclkinit = {0};
-
-  /* Enable HSE Oscillator and activate PLL with HSE as source */
-  oscinitstruct.OscillatorType  = RCC_OSCILLATORTYPE_HSE;
-  oscinitstruct.HSEState        = RCC_HSE_ON;
-  oscinitstruct.HSEPredivValue  = RCC_HSE_PREDIV_DIV1;
-  oscinitstruct.PLL.PLLMUL      = RCC_PLL_MUL9;
-  oscinitstruct.PLL.PLLState    = RCC_PLL_ON;
-  oscinitstruct.PLL.PLLSource   = RCC_PLLSOURCE_HSE;
-  HAL_RCC_OscConfig(&oscinitstruct);
-
-  /* USB clock selection */
-  rccperiphclkinit.PeriphClockSelection = RCC_PERIPHCLK_USB;
-  rccperiphclkinit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
-  HAL_RCCEx_PeriphCLKConfig(&rccperiphclkinit);
-
-  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
-  clkinitstruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
-  clkinitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
-  clkinitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
-  clkinitstruct.APB1CLKDivider = RCC_HCLK_DIV2;
-  clkinitstruct.APB2CLKDivider = RCC_HCLK_DIV1;
-  HAL_RCC_ClockConfig(&clkinitstruct, FLASH_LATENCY_2);
-}
 
 void board_init(void)
 {
-
-  SystemClock_Config();
+  board_stm32f1_clock_init();
   
-  #if CFG_TUSB_OS  == OPT_OS_NONE
+  // Enable All GPIOs clocks
+  __HAL_RCC_GPIOA_CLK_ENABLE();
+  __HAL_RCC_GPIOB_CLK_ENABLE();
+  __HAL_RCC_GPIOC_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
+
+#if CFG_TUSB_OS  == OPT_OS_NONE
   // 1ms tick timer
   SysTick_Config(SystemCoreClock / 1000);
-  #endif
+
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(USB_HP_CAN1_TX_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+  NVIC_SetPriority(USB_LP_CAN1_RX0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+  NVIC_SetPriority(USBWakeUp_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+#endif
   
   // LED
-  __HAL_RCC_GPIOC_CLK_ENABLE();
   GPIO_InitTypeDef  GPIO_InitStruct;
   GPIO_InitStruct.Pin = LED_PIN;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
-  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  GPIO_InitStruct.Pull = LED_STATE_ON ? GPIO_PULLDOWN : GPIO_PULLUP;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
 
   // Button
-  __HAL_RCC_GPIOA_CLK_ENABLE();
   GPIO_InitStruct.Pin = BUTTON_PIN;
   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
-  GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+  GPIO_InitStruct.Pull = BUTTON_STATE_ACTIVE ? GPIO_PULLDOWN : GPIO_PULLUP;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
   HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
 
   // USB Pins
   // Configure USB DM and DP pins.
-  __HAL_RCC_GPIOA_CLK_ENABLE();
   GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
diff --git a/hw/bsp/stm32f103bluepill/board.mk b/hw/bsp/stm32f1/family.mk
index 656a37323..3fb2e6e70 100644
--- a/hw/bsp/stm32f103bluepill/board.mk
+++ b/hw/bsp/stm32f1/family.mk
@@ -4,6 +4,8 @@ DEPS_SUBMODULES += lib/CMSIS_5 hw/mcu/st/cmsis_device_$(ST_FAMILY) hw/mcu/st/stm
 ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
 ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
 
+include $(TOP)/$(BOARD_PATH)/board.mk
+
 CFLAGS += \
   -flto \
   -mthumb \
@@ -11,15 +13,12 @@ CFLAGS += \
   -mcpu=cortex-m3 \
   -mfloat-abi=soft \
   -nostdlib -nostartfiles \
-  -DSTM32F103xB \
   -DCFG_TUSB_MCU=OPT_MCU_STM32F1
 
 # mcu driver cause following warnings
 #CFLAGS += -Wno-error=unused-parameter
 
 # All source paths should be relative to the top level.
-LD_FILE = hw/bsp/$(BOARD)/STM32F103XB_FLASH.ld
-
 SRC_C += \
   src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
   $(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
@@ -29,14 +28,11 @@ SRC_C += \
   $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
   $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c
 
-SRC_S += \
-  $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f103xb.s
-
 INC += \
+  $(TOP)/$(BOARD_PATH) \
   $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
   $(TOP)/$(ST_CMSIS)/Include \
-  $(TOP)/$(ST_HAL_DRIVER)/Inc \
-  $(TOP)/hw/bsp/$(BOARD)
+  $(TOP)/$(ST_HAL_DRIVER)/Inc
 
 # For freeRTOS port source
 FREERTOS_PORT = ARM_CM3
@@ -45,5 +41,5 @@ FREERTOS_PORT = ARM_CM3
 JLINK_DEVICE = stm32f103c8
 
 # flash target ROM bootloader
-flash: $(BUILD)/$(PROJECT).bin
+flash-dfu-util: $(BUILD)/$(PROJECT).bin
 	dfu-util -R -a 0 --dfuse-address 0x08000000 -D $<
diff --git a/hw/bsp/stm32f103bluepill/stm32f1xx_hal_conf.h b/hw/bsp/stm32f1/stm32f1xx_hal_conf.h
index a4a3f3086..a4a3f3086 100644
--- a/hw/bsp/stm32f103bluepill/stm32f1xx_hal_conf.h
+++ b/hw/bsp/stm32f1/stm32f1xx_hal_conf.h