Merge branch 'master' into port-ft90x

79 files changed, 2736 insertions, 97 deletions

diff --git a/hw/bsp/ansi_escape.h b/hw/bsp/ansi_escape.h
index 35342cfe5..6e62ee20a 100644
--- a/hw/bsp/ansi_escape.h
+++ b/hw/bsp/ansi_escape.h
@@ -25,7 +25,7 @@
  */
 
 /** \ingroup group_board
- *  \defgroup group_ansi_esc ANSI Esacpe Code
+ *  \defgroup group_ansi_esc ANSI Escape Code
  *  @{ */
 
 #ifndef _TUSB_ANSI_ESC_CODE_H_
diff --git a/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/board.h b/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/board.h
new file mode 100644
index 000000000..0eab34916
--- /dev/null
+++ b/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/board.h
@@ -0,0 +1,50 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023 Ha Thach (tinyusb.org) for Adafruit Industries
+ *
+ * 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.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+// LED: need to wire pin LED1 to PC0 in the J3 header
+#define LED_PORT              GPIOC
+#define LED_PIN               GPIO_Pin_0
+#define LED_STATE_ON          0
+#define LED_CLOCK_EN()        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE)
+
+// Button: need to wire pin KEY to PC1 in the J3 header
+#define BUTTON_PORT           GPIOC
+#define BUTTON_PIN            GPIO_Pin_1
+#define BUTTON_STATE_ACTIVE   0
+#define BUTTON_CLOCK_EN()     do { } while(0) // same as LED clock, no need to do anything
+
+// TODO UART port
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif
diff --git a/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/board.mk b/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/board.mk
new file mode 100644
index 000000000..4e91d8938
--- /dev/null
+++ b/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/board.mk
@@ -0,0 +1 @@
+LD_FILE = $(FAMILY_PATH)/ch32v307.ld
diff --git a/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/debug_uart.c b/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/debug_uart.c
new file mode 100644
index 000000000..45fc9e3aa
--- /dev/null
+++ b/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/debug_uart.c
@@ -0,0 +1,110 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Greg Davill
+ *
+ * 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 "debug_uart.h"
+#include <ch32v30x.h>
+
+
+#define UART_RINGBUFFER_SIZE_TX 64
+#define UART_RINGBUFFER_MASK_TX (UART_RINGBUFFER_SIZE_TX-1)
+
+static char tx_buf[UART_RINGBUFFER_SIZE_TX];
+static unsigned int tx_produce;
+static volatile unsigned int tx_consume;
+
+void USART1_IRQHandler(void) __attribute__((naked));
+void USART1_IRQHandler(void) { 
+      __asm volatile ("call USART1_IRQHandler_impl; mret");
+}
+
+__attribute__((used)) void USART1_IRQHandler_impl(void)
+{
+	if(USART_GetITStatus(USART1, USART_IT_TC) != RESET)
+    {
+        USART_ClearITPendingBit(USART1, USART_IT_TC);
+
+		if(tx_consume != tx_produce) {
+			USART_SendData(USART1, tx_buf[tx_consume]);
+			tx_consume = (tx_consume + 1) & UART_RINGBUFFER_MASK_TX;
+		}
+    }
+
+}
+
+void uart_write(char c)
+{
+	unsigned int tx_produce_next = (tx_produce + 1) & UART_RINGBUFFER_MASK_TX;
+	
+    NVIC_DisableIRQ(USART1_IRQn);
+    if((tx_consume != tx_produce) || (USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET)) {
+		tx_buf[tx_produce] = c;
+		tx_produce = tx_produce_next;
+	} else {
+		USART_SendData(USART1, c);
+	}
+    NVIC_EnableIRQ(USART1_IRQn);
+}
+
+
+void uart_sync(void)
+{
+	while(tx_consume != tx_produce);
+}
+
+
+void usart_printf_init(uint32_t baudrate)
+{
+  GPIO_InitTypeDef GPIO_InitStructure;
+  USART_InitTypeDef USART_InitStructure;
+
+  tx_produce = 0;
+  tx_consume = 0;
+
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA, ENABLE);
+
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+  GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+  USART_InitStructure.USART_BaudRate = baudrate;
+  USART_InitStructure.USART_WordLength = USART_WordLength_8b;
+  USART_InitStructure.USART_StopBits = USART_StopBits_1;
+  USART_InitStructure.USART_Parity = USART_Parity_No;
+  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+  USART_InitStructure.USART_Mode = USART_Mode_Tx;
+
+  USART_Init(USART1, &USART_InitStructure);
+  USART_ITConfig(USART1, USART_IT_TC, ENABLE);
+  USART_Cmd(USART1, ENABLE);
+
+  NVIC_InitTypeDef NVIC_InitStructure = { 0 };
+  NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+}
diff --git a/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/debug_uart.h b/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/debug_uart.h
new file mode 100644
index 000000000..a7e070585
--- /dev/null
+++ b/hw/bsp/ch32v307/boards/ch32v307v-r1-1v0/debug_uart.h
@@ -0,0 +1,31 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Greg Davill
+ *
+ * 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 <stdint.h>
+
+void uart_write(char c);
+void uart_sync(void);
+void usart_printf_init(uint32_t baudrate);
diff --git a/hw/bsp/ch32v307/ch32v307.ld b/hw/bsp/ch32v307/ch32v307.ld
new file mode 100644
index 000000000..af7c06615
--- /dev/null
+++ b/hw/bsp/ch32v307/ch32v307.ld
@@ -0,0 +1,170 @@
+ENTRY( _start )
+
+__stack_size = 4096;
+
+PROVIDE( _stack_size = __stack_size );
+
+
+MEMORY
+{
+	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 288K
+	RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K
+}
+
+
+SECTIONS
+{
+
+	.init :
+	{
+		_sinit = .;
+		. = ALIGN(4);
+		KEEP(*(SORT_NONE(.init)))
+		. = ALIGN(4);
+		_einit = .;
+	} >FLASH AT>FLASH
+
+  .vector :
+  {
+      *(.vector);
+	  . = ALIGN(64);
+  } >FLASH AT>FLASH
+
+	.text :
+	{
+		. = ALIGN(4);
+		*(.text)
+		*(.text.*)
+		*(.rodata)
+		*(.rodata*)
+		*(.glue_7)
+		*(.glue_7t)
+		*(.gnu.linkonce.t.*)
+		. = ALIGN(4);
+	} >FLASH AT>FLASH 
+
+	.fini :
+	{
+		KEEP(*(SORT_NONE(.fini)))
+		. = ALIGN(4);
+	} >FLASH AT>FLASH
+
+	PROVIDE( _etext = . );
+	PROVIDE( _eitcm = . );	
+
+	.preinit_array  :
+	{
+	  PROVIDE_HIDDEN (__preinit_array_start = .);
+	  KEEP (*(.preinit_array))
+	  PROVIDE_HIDDEN (__preinit_array_end = .);
+	} >FLASH AT>FLASH 
+	
+	.init_array     :
+	{
+	  PROVIDE_HIDDEN (__init_array_start = .);
+	  KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
+	  KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
+	  PROVIDE_HIDDEN (__init_array_end = .);
+	} >FLASH AT>FLASH 
+	
+	.fini_array     :
+	{
+	  PROVIDE_HIDDEN (__fini_array_start = .);
+	  KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
+	  KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
+	  PROVIDE_HIDDEN (__fini_array_end = .);
+	} >FLASH AT>FLASH 
+	
+	.ctors          :
+	{
+	  /* gcc uses crtbegin.o to find the start of
+	     the constructors, so we make sure it is
+	     first.  Because this is a wildcard, it
+	     doesn't matter if the user does not
+	     actually link against crtbegin.o; the
+	     linker won't look for a file to match a
+	     wildcard.  The wildcard also means that it
+	     doesn't matter which directory crtbegin.o
+	     is in.  */
+	  KEEP (*crtbegin.o(.ctors))
+	  KEEP (*crtbegin?.o(.ctors))
+	  /* We don't want to include the .ctor section from
+	     the crtend.o file until after the sorted ctors.
+	     The .ctor section from the crtend file contains the
+	     end of ctors marker and it must be last */
+	  KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
+	  KEEP (*(SORT(.ctors.*)))
+	  KEEP (*(.ctors))
+	} >FLASH AT>FLASH 
+	
+	.dtors          :
+	{
+	  KEEP (*crtbegin.o(.dtors))
+	  KEEP (*crtbegin?.o(.dtors))
+	  KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
+	  KEEP (*(SORT(.dtors.*)))
+	  KEEP (*(.dtors))
+	} >FLASH AT>FLASH 
+
+	.dalign :
+	{
+		. = ALIGN(4);
+		PROVIDE(_data_vma = .);
+	} >RAM AT>FLASH	
+
+	.dlalign :
+	{
+		. = ALIGN(4); 
+		PROVIDE(_data_lma = .);
+	} >FLASH AT>FLASH
+
+	.data :
+	{
+    	*(.gnu.linkonce.r.*)
+    	*(.data .data.*)
+    	*(.gnu.linkonce.d.*)
+		. = ALIGN(8);
+    	PROVIDE( __global_pointer$ = . + 0x800 );
+    	*(.sdata .sdata.*)
+		*(.sdata2.*)
+    	*(.gnu.linkonce.s.*)
+    	. = ALIGN(8);
+    	*(.srodata.cst16)
+    	*(.srodata.cst8)
+    	*(.srodata.cst4)
+    	*(.srodata.cst2)
+    	*(.srodata .srodata.*)
+    	. = ALIGN(4);
+		PROVIDE( _edata = .);
+	} >RAM AT>FLASH
+
+	.bss :
+	{
+		. = ALIGN(4);
+		PROVIDE( _sbss = .);
+  	    *(.sbss*)
+        *(.gnu.linkonce.sb.*)
+		*(.bss*)
+     	*(.gnu.linkonce.b.*)		
+		*(COMMON*)
+		. = ALIGN(4);
+		PROVIDE( _ebss = .);
+	} >RAM AT>FLASH
+
+	PROVIDE( _end = _ebss);
+	PROVIDE( end = . );
+
+    .stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :
+    {
+        PROVIDE( _heap_end = . );    
+        . = ALIGN(4);
+        PROVIDE(_susrstack = . );
+        . = . + __stack_size;
+        PROVIDE( _eusrstack = .);
+        __freertos_irq_stack_top = .;
+    } >RAM 
+
+}
+
+
+
diff --git a/hw/bsp/ch32v307/ch32v30x_conf.h b/hw/bsp/ch32v307/ch32v30x_conf.h
new file mode 100644
index 000000000..399feaf68
--- /dev/null
+++ b/hw/bsp/ch32v307/ch32v30x_conf.h
@@ -0,0 +1,43 @@
+/********************************** (C) COPYRIGHT *******************************
+* File Name          : ch32v30x_conf.h
+* Author             : WCH
+* Version            : V1.0.0
+* Date               : 2021/06/06
+* Description        : Library configuration file.
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* SPDX-License-Identifier: Apache-2.0
+*******************************************************************************/ 
+#ifndef __CH32V30x_CONF_H
+#define __CH32V30x_CONF_H
+
+#include "ch32v30x_adc.h"
+#include "ch32v30x_bkp.h"
+#include "ch32v30x_can.h"
+#include "ch32v30x_crc.h"
+#include "ch32v30x_dac.h"
+#include "ch32v30x_dbgmcu.h"
+#include "ch32v30x_dma.h"
+#include "ch32v30x_exti.h"
+#include "ch32v30x_flash.h"
+#include "ch32v30x_fsmc.h"
+#include "ch32v30x_gpio.h"
+#include "ch32v30x_i2c.h"
+#include "ch32v30x_iwdg.h"
+#include "ch32v30x_pwr.h"
+#include "ch32v30x_rcc.h"
+#include "ch32v30x_rtc.h"
+#include "ch32v30x_sdio.h"
+#include "ch32v30x_spi.h"
+#include "ch32v30x_tim.h"
+#include "ch32v30x_usart.h"
+#include "ch32v30x_wwdg.h"
+#include "ch32v30x_it.h"
+#include "ch32v30x_misc.h"
+
+
+#endif /* __CH32V30x_CONF_H */
+
+
+	
+	
+	
diff --git a/hw/bsp/ch32v307/ch32v30x_it.c b/hw/bsp/ch32v307/ch32v30x_it.c
new file mode 100644
index 000000000..d348dd989
--- /dev/null
+++ b/hw/bsp/ch32v307/ch32v30x_it.c
@@ -0,0 +1,49 @@
+/********************************** (C) COPYRIGHT *******************************
+* File Name          : ch32v30x_it.c
+* Author             : WCH
+* Version            : V1.0.0
+* Date               : 2021/06/06
+* Description        : Main Interrupt Service Routines.
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* SPDX-License-Identifier: Apache-2.0
+*******************************************************************************/
+#include "ch32v30x_it.h"
+
+void NMI_Handler(void) __attribute__((naked));
+void HardFault_Handler(void) __attribute__((naked));
+
+/*********************************************************************
+ * @fn      NMI_Handler
+ *
+ * @brief   This function handles NMI exception.
+ *
+ * @return  none
+ */
+void NMI_Handle(void){
+      __asm volatile ("call NMI_Handler_impl; mret");
+}
+
+__attribute__((used)) void NMI_Handler_impl(void)
+{
+
+}
+
+/*********************************************************************
+ * @fn      HardFault_Handler
+ *
+ * @brief   This function handles Hard Fault exception.
+ *
+ * @return  none
+ */
+void HardFault_Handler(void){
+      __asm volatile ("call HardFault_Handler_impl; mret");
+}
+
+__attribute__((used)) void HardFault_Handler_impl(void)
+{
+  while (1)
+  {
+  }
+}
+
+
diff --git a/hw/bsp/ch32v307/ch32v30x_it.h b/hw/bsp/ch32v307/ch32v30x_it.h
new file mode 100644
index 000000000..42f285edf
--- /dev/null
+++ b/hw/bsp/ch32v307/ch32v30x_it.h
@@ -0,0 +1,18 @@
+/********************************** (C) COPYRIGHT *******************************
+* File Name          : ch32v30x_it.h
+* Author             : WCH
+* Version            : V1.0.0
+* Date               : 2021/06/06
+* Description        : This file contains the headers of the interrupt handlers.
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* SPDX-License-Identifier: Apache-2.0
+*******************************************************************************/
+#ifndef __CH32V30x_IT_H
+#define __CH32V30x_IT_H
+
+// #include "debug.h"
+
+
+#endif /* __CH32V30x_IT_H */
+
+
diff --git a/hw/bsp/ch32v307/core_riscv.h b/hw/bsp/ch32v307/core_riscv.h
new file mode 100644
index 000000000..2e94ec683
--- /dev/null
+++ b/hw/bsp/ch32v307/core_riscv.h
@@ -0,0 +1,384 @@
+/********************************** (C) COPYRIGHT  *******************************
+* File Name          : core_riscv.h
+* Author             : WCH
+* Version            : V1.0.0
+* Date               : 2021/06/06
+* Description        : RISC-V Core Peripheral Access Layer Header File for CH32V30x
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* SPDX-License-Identifier: Apache-2.0
+*******************************************************************************/
+#ifndef __CORE_RISCV_H__
+#define __CORE_RISCV_H__
+
+/* IO definitions */
+#ifdef __cplusplus
+  #define     __I     volatile                /* defines 'read only' permissions */
+#else
+  #define     __I     volatile const          /* defines 'read only' permissions */
+#endif
+#define     __O     volatile                  /* defines 'write only' permissions */
+#define     __IO    volatile                  /* defines 'read / write' permissions */
+
+/* Standard Peripheral Library old types (maintained for legacy purpose) */
+typedef __I uint64_t vuc64;  /* Read Only */
+typedef __I uint32_t vuc32;  /* Read Only */
+typedef __I uint16_t vuc16;  /* Read Only */
+typedef __I uint8_t vuc8;   /* Read Only */
+
+typedef const uint64_t uc64;  /* Read Only */
+typedef const uint32_t uc32;  /* Read Only */
+typedef const uint16_t uc16;  /* Read Only */
+typedef const uint8_t uc8;   /* Read Only */
+
+typedef __I int64_t vsc64;  /* Read Only */
+typedef __I int32_t vsc32;  /* Read Only */
+typedef __I int16_t vsc16;  /* Read Only */
+typedef __I int8_t vsc8;   /* Read Only */
+
+typedef const int64_t sc64;  /* Read Only */
+typedef const int32_t sc32;  /* Read Only */
+typedef const int16_t sc16;  /* Read Only */
+typedef const int8_t sc8;   /* Read Only */
+
+typedef __IO uint64_t  vu64;
+typedef __IO uint32_t  vu32;
+typedef __IO uint16_t vu16;
+typedef __IO uint8_t  vu8;
+
+typedef uint64_t  u64;
+typedef uint32_t  u32;
+typedef uint16_t u16;
+typedef uint8_t  u8;
+
+typedef __IO int64_t  vs64;
+typedef __IO int32_t  vs32;
+typedef __IO int16_t  vs16;
+typedef __IO int8_t   vs8;
+
+typedef int64_t  s64;
+typedef int32_t  s32;
+typedef int16_t s16;
+typedef int8_t  s8;
+
+typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrorStatus;
+
+typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
+
+typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus;
+
+#define   RV_STATIC_INLINE  static  inline
+
+/* memory mapped structure for Program Fast Interrupt Controller (PFIC) */
+typedef struct{
+  __I  uint32_t ISR[8];
+  __I  uint32_t IPR[8];
+  __IO uint32_t ITHRESDR;
+  __IO uint32_t RESERVED;
+  __IO uint32_t CFGR;
+  __I  uint32_t GISR;
+  uint8_t VTFIDR[4];
+  uint8_t RESERVED0[12];
+  __IO uint32_t VTFADDR[4];
+  uint8_t RESERVED1[0x90];
+  __O  uint32_t IENR[8];
+  uint8_t RESERVED2[0x60];
+  __O  uint32_t IRER[8];
+  uint8_t RESERVED3[0x60];
+  __O  uint32_t IPSR[8];
+  uint8_t RESERVED4[0x60];
+  __O  uint32_t IPRR[8];
+  uint8_t RESERVED5[0x60];
+  __IO uint32_t IACTR[8];
+  uint8_t RESERVED6[0xE0];
+  __IO uint8_t IPRIOR[256];
+  uint8_t RESERVED7[0x810];
+  __IO uint32_t SCTLR;
+}PFIC_Type;
+
+/* memory mapped structure for SysTick */
+typedef struct
+{
+    __IO u32 CTLR;
+    __IO u32 SR;
+    __IO u64 CNT;
+    __IO u64 CMP;
+}SysTick_Type;
+
+
+#define PFIC            ((PFIC_Type *) 0xE000E000 )
+#define NVIC            PFIC
+#define NVIC_KEY1       ((uint32_t)0xFA050000)
+#define	NVIC_KEY2				((uint32_t)0xBCAF0000)
+#define	NVIC_KEY3				((uint32_t)0xBEEF0000)
+
+#define SysTick         ((SysTick_Type *) 0xE000F000)
+
+
+/*********************************************************************
+ * @fn      __enable_irq
+ *
+ * @brief   Enable Global Interrupt
+ *
+ * @return  none
+ */
+RV_STATIC_INLINE void __enable_irq(void)
+{
+  __asm volatile ("csrw 0x800, %0" : : "r" (0x6088) );
+}
+
+/*********************************************************************
+ * @fn      __disable_irq
+ *
+ * @brief   Disable Global Interrupt
+ *
+ * @return  none
+ */
+RV_STATIC_INLINE void __disable_irq(void)
+{
+  __asm volatile ("csrw 0x800, %0" : : "r" (0x6000) );
+}
+
+/*********************************************************************
+ * @fn      __NOP
+ *
+ * @brief   nop
+ *
+ * @return  none
+ */
+RV_STATIC_INLINE void __NOP(void)
+{
+  __asm volatile ("nop");
+}
+
+/*********************************************************************
+ * @fn      NVIC_EnableIRQ
+ *
+ * @brief   Enable Interrupt
+ *
+ * @param   IRQn: Interrupt Numbers
+ *
+ * @return  none
+ */
+RV_STATIC_INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
+{
+  NVIC->IENR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
+}
+
+/*********************************************************************
+ * @fn      NVIC_DisableIRQ
+ *
+ * @brief   Disable Interrupt
+ *
+ * @param   IRQn: Interrupt Numbers
+ *
+ * @return  none
+ */
+RV_STATIC_INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
+{
+  NVIC->IRER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
+}
+
+/*********************************************************************
+ * @fn      NVIC_GetStatusIRQ
+ *
+ * @brief   Get Interrupt Enable State
+ *
+ * @param   IRQn: Interrupt Numbers
+ *
+ * @return  1 - Interrupt Enable
+ *          0 - Interrupt Disable
+ */
+RV_STATIC_INLINE uint32_t NVIC_GetStatusIRQ(IRQn_Type IRQn)
+{
+  return((uint32_t) ((NVIC->ISR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
+}
+
+/*********************************************************************
+ * @fn      NVIC_GetPendingIRQ
+ *
+ * @brief   Get Interrupt Pending State
+ *
+ * @param   IRQn: Interrupt Numbers
+ *
+ * @return  1 - Interrupt Pending Enable
+ *          0 - Interrupt Pending Disable
+ */
+RV_STATIC_INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
+{
+  return((uint32_t) ((NVIC->IPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
+}
+
+/*********************************************************************
+ * @fn      NVIC_SetPendingIRQ
+ *
+ * @brief   Set Interrupt Pending
+ *
+ * @param   IRQn: Interrupt Numbers
+ *
+ * @return  None
+ */
+RV_STATIC_INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
+{
+  NVIC->IPSR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
+}
+
+/*********************************************************************
+ * @fn      NVIC_ClearPendingIRQ
+ *
+ * @brief   Clear Interrupt Pending
+ *
+ * @param   IRQn: Interrupt Numbers
+ *
+ * @return  None
+ */
+RV_STATIC_INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
+{
+  NVIC->IPRR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F));
+}
+
+/*********************************************************************
+ * @fn      NVIC_GetActive
+ *
+ * @brief   Get Interrupt Active State
+ *
+ * @param   IRQn: Interrupt Numbers
+ *
+ * @return  1 - Interrupt Active
+ *          0 - Interrupt No Active
+ */
+RV_STATIC_INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn)
+{
+  return((uint32_t)((NVIC->IACTR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0));
+}
+
+/*********************************************************************
+ * @fn      NVIC_SetPriority
+ *
+ * @brief   Set Interrupt Priority
+ *
+ * @param   IRQn - Interrupt Numbers
+ *          priority -
+ *              bit7 - pre-emption priority
+ *              bit6~bit4 - subpriority
+ * @return  None
+ */
+RV_STATIC_INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint8_t priority)
+{
+  NVIC->IPRIOR[(uint32_t)(IRQn)] = priority;
+}
+
+/*********************************************************************
+ * @fn      __WFI
+ *
+ * @brief   Wait for Interrupt
+ *
+ * @return  None
+ */
+__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __WFI(void)
+{
+  NVIC->SCTLR &= ~(1<<3);	// wfi
+  asm volatile ("wfi");
+}
+
+/*********************************************************************
+ * @fn      __WFE
+ *
+ * @brief   Wait for Events
+ *
+ * @return  None
+ */
+__attribute__( ( always_inline ) ) RV_STATIC_INLINE void __WFE(void)
+{
+  uint32_t t;
+
+  t = NVIC->SCTLR;
+  NVIC->SCTLR |= (1<<3)|(1<<5);		// (wfi->wfe)+(__sev)
+  NVIC->SCTLR = (NVIC->SCTLR & ~(1<<5)) | ( t & (1<<5));
+  asm volatile ("wfi");
+  asm volatile ("wfi");
+}
+
+/*********************************************************************
+ * @fn      SetVTFIRQ
+ *
+ * @brief   Set VTF Interrupt
+ *
+ * @param   add - VTF interrupt service function base address.
+ *          IRQn -Interrupt Numbers
+ *          num - VTF Interrupt Numbers
+ *          NewState - DISABLE or ENABLE
+ * @return  None
+ */
+RV_STATIC_INLINE void SetVTFIRQ(uint32_t addr, IRQn_Type IRQn, uint8_t num, FunctionalState NewState){
+  if(num > 3)  return ;
+
+  if (NewState != DISABLE)
+  {
+      NVIC->VTFIDR[num] = IRQn;
+      NVIC->VTFADDR[num] = ((addr&0xFFFFFFFE)|0x1);
+  }
+  else{
+      NVIC->VTFIDR[num] = IRQn;
+      NVIC->VTFADDR[num] = ((addr&0xFFFFFFFE)&(~0x1));
+  }
+}
+
+/*********************************************************************
+ * @fn      NVIC_SystemReset
+ *
+ * @brief   Initiate a system reset request
+ *
+ * @return  None
+ */
+RV_STATIC_INLINE void NVIC_SystemReset(void)
+{
+  NVIC->CFGR = NVIC_KEY3|(1<<7);
+}
+
+
+/* Core_Exported_Functions */  
+extern uint32_t __get_FFLAGS(void);
+extern void __set_FFLAGS(uint32_t value);
+extern uint32_t __get_FRM(void);
+extern void __set_FRM(uint32_t value);
+extern uint32_t __get_FCSR(void);
+extern void __set_FCSR(uint32_t value);
+extern uint32_t __get_MSTATUS(void);
+extern void __set_MSTATUS(uint32_t value);
+extern uint32_t __get_MISA(void);
+extern void __set_MISA(uint32_t value);
+extern uint32_t __get_MIE(void);
+extern void __set_MIE(uint32_t value);
+extern uint32_t __get_MTVEC(void);
+extern void __set_MTVEC(uint32_t value);
+extern uint32_t __get_MSCRATCH(void);
+extern void __set_MSCRATCH(uint32_t value);
+extern uint32_t __get_MEPC(void);
+extern void __set_MEPC(uint32_t value);
+extern uint32_t __get_MCAUSE(void);
+extern void __set_MCAUSE(uint32_t value);
+extern uint32_t __get_MTVAL(void);
+extern void __set_MTVAL(uint32_t value);
+extern uint32_t __get_MIP(void);
+extern void __set_MIP(uint32_t value);
+extern uint32_t __get_MCYCLE(void);
+extern void __set_MCYCLE(uint32_t value);
+extern uint32_t __get_MCYCLEH(void);
+extern void __set_MCYCLEH(uint32_t value);
+extern uint32_t __get_MINSTRET(void);
+extern void __set_MINSTRET(uint32_t value);
+extern uint32_t __get_MINSTRETH(void);
+extern void __set_MINSTRETH(uint32_t value);
+extern uint32_t __get_MVENDORID(void);
+extern uint32_t __get_MARCHID(void);
+extern uint32_t __get_MIMPID(void);
+extern uint32_t __get_MHARTID(void);
+extern uint32_t __get_SP(void);
+
+
+#endif
+
+
+
+
+
diff --git a/hw/bsp/ch32v307/family.c b/hw/bsp/ch32v307/family.c
new file mode 100644
index 000000000..d5602c7b4
--- /dev/null
+++ b/hw/bsp/ch32v307/family.c
@@ -0,0 +1,178 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Greg Davill
+ *
+ * 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 "stdio.h"
+#include "debug_uart.h"
+#include "ch32v30x.h"
+
+#include "bsp/board.h"
+#include "board.h"
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+
+void USBHS_IRQHandler (void) __attribute__((naked));
+void USBHS_IRQHandler (void)
+{
+  __asm volatile ("call USBHS_IRQHandler_impl; mret");
+}
+
+__attribute__ ((used)) void USBHS_IRQHandler_impl (void)
+{
+  tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+
+uint32_t SysTick_Config(uint32_t ticks)
+{
+  NVIC_EnableIRQ(SysTicK_IRQn);
+  SysTick->CTLR=0;
+  SysTick->SR=0;
+  SysTick->CNT=0;
+  SysTick->CMP=ticks-1;
+  SysTick->CTLR=0xF;
+  return 0;
+}
+
+void board_init(void) {
+
+  /* Disable interrupts during init */
+  __disable_irq();
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  SysTick_Config(SystemCoreClock / 1000);
+#endif
+
+	usart_printf_init(115200);
+
+  RCC_USBCLK48MConfig(RCC_USBCLK48MCLKSource_USBPHY);
+  RCC_USBHSPLLCLKConfig(RCC_HSBHSPLLCLKSource_HSE);
+  RCC_USBHSConfig(RCC_USBPLL_Div2);
+  RCC_USBHSPLLCKREFCLKConfig(RCC_USBHSPLLCKREFCLK_4M);
+  RCC_USBHSPHYPLLALIVEcmd(ENABLE);
+  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_USBHS, ENABLE);
+
+  GPIO_InitTypeDef GPIO_InitStructure = {0};
+
+  // LED
+  LED_CLOCK_EN();
+  GPIO_InitStructure.GPIO_Pin = LED_PIN;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_Init(LED_PORT, &GPIO_InitStructure);
+
+  // Button
+  BUTTON_CLOCK_EN();
+  GPIO_InitStructure.GPIO_Pin = BUTTON_PIN;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_Init(BUTTON_PORT, &GPIO_InitStructure);
+
+  /* Enable interrupts globally */
+  __enable_irq();
+
+  board_delay(2);
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+
+volatile uint32_t system_ticks = 0;
+
+/* Small workaround to support HW stack save/restore */
+void SysTick_Handler (void) __attribute__((naked));
+void SysTick_Handler (void)
+{
+  __asm volatile ("call SysTick_Handler_impl; mret");
+}
+
+__attribute__((used)) void SysTick_Handler_impl (void)
+{
+  SysTick->SR = 0;
+  system_ticks++;
+}
+
+uint32_t board_millis (void)
+{
+  return system_ticks;
+}
+
+#endif
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write (bool state)
+{
+  GPIO_WriteBit(LED_PORT, LED_PIN, state);
+}
+
+uint32_t board_button_read (void)
+{
+  return BUTTON_STATE_ACTIVE == GPIO_ReadInputDataBit(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)
+{
+  int txsize = len;
+  while ( txsize-- )
+  {
+    uart_write(*(uint8_t const*) buf);
+    buf++;
+  }
+  return len;
+}
+
+
+
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief  Reports the name of the source file and the source line number
+ *         where the assert_param error has occurred.
+ * @param  file: pointer to the source file name
+ * @param  line: assert_param error line source number
+ * @retval None
+ */
+void assert_failed(char* file, uint32_t line) {
+  /* USER CODE BEGIN 6 */
+  /* User can add his own implementation to report the file name and line
+     number,
+     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line)
+   */
+  /* USER CODE END 6 */
+}
+#endif /* USE_FULL_ASSERT */
diff --git a/hw/bsp/ch32v307/family.mk b/hw/bsp/ch32v307/family.mk
new file mode 100644
index 000000000..15f6724a8
--- /dev/null
+++ b/hw/bsp/ch32v307/family.mk
@@ -0,0 +1,64 @@
+# https://www.embecosm.com/resources/tool-chain-downloads/#riscv-stable
+#CROSS_COMPILE ?= riscv32-unknown-elf-
+
+# Toolchain from https://github.com/xpack-dev-tools/riscv-none-embed-gcc-xpack
+CROSS_COMPILE ?= riscv-none-embed-
+
+# Submodules
+CH32V307_SDK = hw/mcu/wch/ch32v307
+DEPS_SUBMODULES += $(CH32V307_SDK)
+
+# WCH-SDK paths
+CH32V307_SDK_SRC = $(CH32V307_SDK)/EVT/EXAM/SRC
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+	-flto \
+	-march=rv32imac \
+	-mabi=ilp32 \
+	-msmall-data-limit=8 \
+	-mno-save-restore -Os \
+	-fmessage-length=0 \
+	-fsigned-char \
+	-ffunction-sections \
+	-fdata-sections \
+	-nostdlib -nostartfiles \
+	-DCFG_TUSB_MCU=OPT_MCU_CH32V307 \
+	-Xlinker --gc-sections \
+	-DBOARD_TUD_MAX_SPEED=OPT_MODE_HIGH_SPEED
+
+SRC_C += \
+	src/portable/wch/ch32v307/dcd_usbhs.c \
+	$(CH32V307_SDK_SRC)/Core/core_riscv.c \
+	$(CH32V307_SDK_SRC)/Peripheral/src/ch32v30x_gpio.c \
+	$(CH32V307_SDK_SRC)/Peripheral/src/ch32v30x_misc.c \
+	$(CH32V307_SDK_SRC)/Peripheral/src/ch32v30x_rcc.c \
+	$(CH32V307_SDK_SRC)/Peripheral/src/ch32v30x_usart.c 
+	
+SRC_S += \
+	$(CH32V307_SDK_SRC)/Startup/startup_ch32v30x_D8C.S 
+
+INC += \
+	$(TOP)/$(BOARD_PATH) \
+	$(TOP)/$(CH32V307_SDK_SRC)/Peripheral/inc
+
+# For freeRTOS port source
+FREERTOS_PORT = RISC-V
+
+# wch-link is not supported yet in official openOCD yet. We need to either use
+# 1. download openocd as part of mounriver studio http://www.mounriver.com/download or
+# 2. compiled from modified source https://github.com/kprasadvnsi/riscv-openocd-wch
+#
+# Note: For Linux, somehow openocd in mounriver studio does not seem to have wch-link enable, 
+# therefore we need to compile it from source as follows:
+# 	git clone https://github.com/kprasadvnsi/riscv-openocd-wch
+# 	cd riscv-openocd-wch
+#		./bootstrap
+#		./configure CFLAGS="-Wno-error" --enable-wlink
+#		make
+# openocd binaries will be generated in riscv-openocd-wch/src
+
+# flash target ROM bootloader
+flash: $(BUILD)/$(PROJECT).elf
+	openocd -f $(TOP)/$(FAMILY_PATH)/wch-riscv.cfg -c init -c halt -c "program $<" -c wlink_reset_resume -c exit
diff --git a/hw/bsp/ch32v307/system_ch32v30x.c b/hw/bsp/ch32v307/system_ch32v30x.c
new file mode 100644
index 000000000..12b18d7b8
--- /dev/null
+++ b/hw/bsp/ch32v307/system_ch32v30x.c
@@ -0,0 +1,776 @@
+/********************************** (C) COPYRIGHT *******************************
+* File Name          : system_ch32v30x.c
+* Author             : WCH
+* Version            : V1.0.0
+* Date               : 2021/06/06
+* Description        : CH32V30x Device Peripheral Access Layer System Source File.
+*                      For HSE = 8Mhz
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* SPDX-License-Identifier: Apache-2.0
+*********************************************************************************/
+#include "ch32v30x.h" 
+
+/* 
+* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after 
+* reset the HSI is used as SYSCLK source).
+* If none of the define below is enabled, the HSI is used as System clock source. 
+*/
+// #define SYSCLK_FREQ_HSE    HSE_VALUE
+/* #define SYSCLK_FREQ_24MHz  24000000  */ 
+//#define SYSCLK_FREQ_48MHz  48000000
+/* #define SYSCLK_FREQ_56MHz  56000000  */  
+//#define SYSCLK_FREQ_72MHz  72000000
+//#define SYSCLK_FREQ_96MHz  96000000
+//#define SYSCLK_FREQ_120MHz  120000000
+#define SYSCLK_FREQ_144MHz  144000000
+
+/* Clock Definitions */
+#ifdef SYSCLK_FREQ_HSE
+  uint32_t SystemCoreClock         = SYSCLK_FREQ_HSE;          /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_24MHz
+  uint32_t SystemCoreClock         = SYSCLK_FREQ_24MHz;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_48MHz
+  uint32_t SystemCoreClock         = SYSCLK_FREQ_48MHz;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_56MHz
+  uint32_t SystemCoreClock         = SYSCLK_FREQ_56MHz;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_72MHz
+  uint32_t SystemCoreClock         = SYSCLK_FREQ_72MHz;        /* System Clock Frequency (Core Clock) */
+
+#elif defined SYSCLK_FREQ_96MHz
+  uint32_t SystemCoreClock         = SYSCLK_FREQ_96MHz;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_120MHz
+  uint32_t SystemCoreClock         = SYSCLK_FREQ_120MHz;        /* System Clock Frequency (Core Clock) */
+#elif defined SYSCLK_FREQ_144MHz
+  uint32_t SystemCoreClock         = SYSCLK_FREQ_144MHz;        /* System Clock Frequency (Core Clock) */
+
+#else /* HSI Selected as System Clock source */
+  uint32_t SystemCoreClock         = HSI_VALUE;                /* System Clock Frequency (Core Clock) */
+#endif
+
+__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
+
+
+/* system_private_function_proto_types */
+static void SetSysClock(void);
+
+#ifdef SYSCLK_FREQ_HSE
+  static void SetSysClockToHSE(void);
+#elif defined SYSCLK_FREQ_24MHz
+  static void SetSysClockTo24(void);
+#elif defined SYSCLK_FREQ_48MHz
+  static void SetSysClockTo48(void);
+#elif defined SYSCLK_FREQ_56MHz
+  static void SetSysClockTo56(void);  
+#elif defined SYSCLK_FREQ_72MHz
+  static void SetSysClockTo72(void);
+
+#elif defined SYSCLK_FREQ_96MHz
+  static void SetSysClockTo96(void);
+#elif defined SYSCLK_FREQ_120MHz
+  static void SetSysClockTo120(void);
+#elif defined SYSCLK_FREQ_144MHz
+  static void SetSysClockTo144(void);
+
+#endif
+
+
+/*********************************************************************
+ * @fn      SystemInit
+ *
+ * @brief   Setup the microcontroller system Initialize the Embedded Flash Interface,
+ *        the PLL and update the SystemCoreClock variable.
+ *
+ * @return  none
+ */
+void SystemInit (void)
+{
+  RCC->CTLR |= (uint32_t)0x00000001;
+
+#ifdef CH32V30x_D8C
+  RCC->CFGR0 &= (uint32_t)0xF8FF0000;
+#else
+  RCC->CFGR0 &= (uint32_t)0xF0FF0000;
+#endif 
+
+  RCC->CTLR &= (uint32_t)0xFEF6FFFF;
+  RCC->CTLR &= (uint32_t)0xFFFBFFFF;
+  RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
+
+#ifdef CH32V30x_D8C
+  RCC->CTLR &= (uint32_t)0xEBFFFFFF;
+  RCC->INTR = 0x00FF0000;
+  RCC->CFGR2 = 0x00000000;
+#else
+  RCC->INTR = 0x009F0000;   
+#endif   
+  SetSysClock();
+}
+
+/*********************************************************************
+ * @fn      SystemCoreClockUpdate
+ *
+ * @brief   Update SystemCoreClock variable according to Clock Register Values.
+ *
+ * @return  none
+ */
+void SystemCoreClockUpdate (void)
+{
+  uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
+
+  tmp = RCC->CFGR0 & RCC_SWS;
+  
+  switch (tmp)
+  {
+    case 0x00:
+      SystemCoreClock = HSI_VALUE;
+      break;
+    case 0x04:  
+      SystemCoreClock = HSE_VALUE;
+      break;
+    case 0x08: 
+      pllmull = RCC->CFGR0 & RCC_PLLMULL;
+      pllsource = RCC->CFGR0 & RCC_PLLSRC; 
+      pllmull = ( pllmull >> 18) + 2;
+
+#ifdef CH32V30x_D8
+          if(pllmull == 17) pllmull = 18;
+#else
+          if(pllmull == 2) pllmull = 18;
+          if(pllmull == 15){
+              pllmull = 13;  /* *6.5 */
+              Pll_6_5 = 1;
+          }
+          if(pllmull == 16) pllmull = 15;
+          if(pllmull == 17) pllmull = 16;
+#endif
+
+      if (pllsource == 0x00)
+      {
+        SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
+      }
+      else
+      {    
+        if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
+        {
+          SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
+        }
+        else
+        {
+          SystemCoreClock = HSE_VALUE * pllmull;
+        }
+      }
+
+      if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
+
+      break;
+    default:
+      SystemCoreClock = HSI_VALUE;
+      break;
+  }
+ 
+  tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
+  SystemCoreClock >>= tmp;  
+}
+
+/*********************************************************************
+ * @fn      SetSysClock
+ *
+ * @brief   Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClock(void)
+{
+#ifdef SYSCLK_FREQ_HSE
+  SetSysClockToHSE();
+#elif defined SYSCLK_FREQ_24MHz
+  SetSysClockTo24();
+#elif defined SYSCLK_FREQ_48MHz
+  SetSysClockTo48();
+#elif defined SYSCLK_FREQ_56MHz
+  SetSysClockTo56();  
+#elif defined SYSCLK_FREQ_72MHz
+  SetSysClockTo72();
+#elif defined SYSCLK_FREQ_96MHz
+  SetSysClockTo96();
+#elif defined SYSCLK_FREQ_120MHz
+  SetSysClockTo120();
+#elif defined SYSCLK_FREQ_144MHz
+  SetSysClockTo144();
+
+#endif
+ 
+ /* If none of the define above is enabled, the HSI is used as System clock
+  * source (default after reset) 
+    */
+}
+
+
+#ifdef SYSCLK_FREQ_HSE
+
+/*********************************************************************
+ * @fn      SetSysClockToHSE
+ *
+ * @brief   Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockToHSE(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+   
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+ 
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;      
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
+    
+    /* Select HSE as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;    
+
+    /* Wait till HSE is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
+    {
+    }
+  }
+  else
+  { 
+        /* If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error 
+         */
+  }  
+}
+
+#elif defined SYSCLK_FREQ_24MHz
+
+/*********************************************************************
+ * @fn      SetSysClockTo24
+ *
+ * @brief   Sets System clock frequency to 24MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo24(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+     
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+ 
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;   
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1; 
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
+
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+#ifdef CH32V30x_D8
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL3);
+#else
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL3_EXTEN);
+#endif
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;    
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  { 
+        /* If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error 
+         */
+  } 
+}
+
+#elif defined SYSCLK_FREQ_48MHz
+
+/*********************************************************************
+ * @fn      SetSysClockTo48
+ *
+ * @brief   Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo48(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+     
+   
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;    
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;  
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSE * 6 = 48 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+#ifdef CH32V30x_D8
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
+#else
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6_EXTEN);
+#endif
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;    
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  { 
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error 
+         */
+  } 
+}
+
+#elif defined SYSCLK_FREQ_56MHz
+
+/*********************************************************************
+ * @fn      SetSysClockTo56
+ *
+ * @brief   Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo56(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+     
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;   
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+  
+    /* PLL configuration: PLLCLK = HSE * 7 = 56 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
+
+#ifdef CH32V30x_D8
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
+#else
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7_EXTEN);
+#endif
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;    
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  { 
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error 
+         */
+  } 
+}
+
+#elif defined SYSCLK_FREQ_72MHz
+
+/*********************************************************************
+ * @fn      SetSysClockTo72
+ *
+ * @brief   Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo72(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+     
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+ 
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;  
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }  
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1; 
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1; 
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+ 
+    /* PLL configuration: PLLCLK = HSE * 9 = 72 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                        RCC_PLLMULL));
+
+#ifdef CH32V30x_D8
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
+#else
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9_EXTEN);
+#endif
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }    
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;    
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  { 
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error 
+         */
+  }
+}
+
+
+#elif defined SYSCLK_FREQ_96MHz
+
+/*********************************************************************
+ * @fn      SetSysClockTo96
+ *
+ * @brief   Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo96(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSE * 12 = 96 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                        RCC_PLLMULL));
+
+#ifdef CH32V30x_D8
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
+#else
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12_EXTEN);
+#endif
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  {
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error
+         */
+  }
+}
+
+
+#elif defined SYSCLK_FREQ_120MHz
+
+/*********************************************************************
+ * @fn      SetSysClockTo120
+ *
+ * @brief   Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo120(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSE * 15 = 120 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                        RCC_PLLMULL));
+
+#ifdef CH32V30x_D8
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
+#else
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15_EXTEN);
+#endif
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  {
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error
+         */
+  }
+}
+
+
+#elif defined SYSCLK_FREQ_144MHz
+
+/*********************************************************************
+ * @fn      SetSysClockTo144
+ *
+ * @brief   Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
+ *
+ * @return  none
+ */
+static void SetSysClockTo144(void)
+{
+  __IO uint32_t StartUpCounter = 0, HSEStatus = 0;
+
+  RCC->CTLR |= ((uint32_t)RCC_HSEON);
+
+  /* Wait till HSE is ready and if Time out is reached exit */
+  do
+  {
+    HSEStatus = RCC->CTLR & RCC_HSERDY;
+    StartUpCounter++;
+  } while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
+
+  if ((RCC->CTLR & RCC_HSERDY) != RESET)
+  {
+    HSEStatus = (uint32_t)0x01;
+  }
+  else
+  {
+    HSEStatus = (uint32_t)0x00;
+  }
+
+  if (HSEStatus == (uint32_t)0x01)
+  {
+    /* HCLK = SYSCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
+    /* PCLK2 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
+    /* PCLK1 = HCLK */
+    RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
+
+    /*  PLL configuration: PLLCLK = HSE * 18 = 144 MHz */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
+                                        RCC_PLLMULL));
+
+#ifdef CH32V30x_D8
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
+#else
+        RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18_EXTEN);
+#endif
+
+    /* Enable PLL */
+    RCC->CTLR |= RCC_PLLON;
+    /* Wait till PLL is ready */
+    while((RCC->CTLR & RCC_PLLRDY) == 0)
+    {
+    }
+    /* Select PLL as system clock source */
+    RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
+    RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
+    /* Wait till PLL is used as system clock source */
+    while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
+    {
+    }
+  }
+  else
+  {
+        /*
+         * If HSE fails to start-up, the application will have wrong clock
+     * configuration. User can add here some code to deal with this error
+         */
+  }
+}
+
+
+#endif
diff --git a/hw/bsp/ch32v307/system_ch32v30x.h b/hw/bsp/ch32v307/system_ch32v30x.h
new file mode 100644
index 000000000..0e0ef4e51
--- /dev/null
+++ b/hw/bsp/ch32v307/system_ch32v30x.h
@@ -0,0 +1,30 @@
+/********************************** (C) COPYRIGHT *******************************
+* File Name          : system_ch32v30x.h
+* Author             : WCH
+* Version            : V1.0.0
+* Date               : 2021/06/06
+* Description        : CH32V30x Device Peripheral Access Layer System Header File.
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* SPDX-License-Identifier: Apache-2.0
+*******************************************************************************/
+#ifndef __SYSTEM_CH32V30x_H 
+#define __SYSTEM_CH32V30x_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+extern uint32_t SystemCoreClock;          /* System Clock Frequency (Core Clock) */
+
+/* System_Exported_Functions */  
+extern void SystemInit(void);
+extern void SystemCoreClockUpdate(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__CH32V30x_SYSTEM_H */
+
+
+
diff --git a/hw/bsp/ch32v307/wch-riscv.cfg b/hw/bsp/ch32v307/wch-riscv.cfg
new file mode 100644
index 000000000..0d24d16ca
--- /dev/null
+++ b/hw/bsp/ch32v307/wch-riscv.cfg
@@ -0,0 +1,15 @@
+#interface wlink
+adapter driver wlink
+wlink_set
+set _CHIPNAME riscv
+jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x00001
+
+set _TARGETNAME $_CHIPNAME.cpu
+
+target create $_TARGETNAME.0 riscv -chain-position $_TARGETNAME
+$_TARGETNAME.0 configure  -work-area-phys 0x80000000 -work-area-size 10000 -work-area-backup 1
+set _FLASHNAME $_CHIPNAME.flash
+
+flash bank $_FLASHNAME wch_riscv 0x00000000 0 0 0 $_TARGETNAME.0
+
+echo "Ready for Remote Connections"
diff --git a/hw/bsp/esp32s2/components/led_strip/src/led_strip_rmt_ws2812.c b/hw/bsp/esp32s2/components/led_strip/src/led_strip_rmt_ws2812.c
index 025d3c590..fd1746cad 100644
--- a/hw/bsp/esp32s2/components/led_strip/src/led_strip_rmt_ws2812.c
+++ b/hw/bsp/esp32s2/components/led_strip/src/led_strip_rmt_ws2812.c
@@ -50,7 +50,7 @@ typedef struct {
 } ws2812_t;
 
 /**
- * @brief Conver RGB data to RMT format.
+ * @brief Convert RGB data to RMT format.
  *
  * @note For WS2812, R,G,B each contains 256 different choices (i.e. uint8_t)
  *
diff --git a/hw/bsp/esp32s3/components/led_strip/src/led_strip_rmt_ws2812.c b/hw/bsp/esp32s3/components/led_strip/src/led_strip_rmt_ws2812.c
index 025d3c590..fd1746cad 100644
--- a/hw/bsp/esp32s3/components/led_strip/src/led_strip_rmt_ws2812.c
+++ b/hw/bsp/esp32s3/components/led_strip/src/led_strip_rmt_ws2812.c
@@ -50,7 +50,7 @@ typedef struct {
 } ws2812_t;
 
 /**
- * @brief Conver RGB data to RMT format.
+ * @brief Convert RGB data to RMT format.
  *
  * @note For WS2812, R,G,B each contains 256 different choices (i.e. uint8_t)
  *
diff --git a/hw/bsp/family_support.cmake b/hw/bsp/family_support.cmake
index c5311b63f..601cd54f5 100644
--- a/hw/bsp/family_support.cmake
+++ b/hw/bsp/family_support.cmake
@@ -123,12 +123,12 @@ if (NOT TARGET _family_support_marker)
 
     # configure an executable target to link to tinyusb in device mode, and add the board implementation
     function(family_configure_device_example TARGET)
-        # default implentation is empty, the function should be redefined in the FAMILY/family.cmake
+        # default implementation is empty, the function should be redefined in the FAMILY/family.cmake
     endfunction()
 
     # configure an executable target to link to tinyusb in host mode, and add the board implementation
     function(family_configure_host_example TARGET)
-        # default implentation is empty, the function should be redefined in the FAMILY/family.cmake
+        # default implementation is empty, the function should be redefined in the FAMILY/family.cmake
     endfunction()
 
     include(${CMAKE_CURRENT_LIST_DIR}/${FAMILY}/family.cmake)
diff --git a/hw/bsp/gd32vf103/family.c b/hw/bsp/gd32vf103/family.c
index c20732302..60a326d27 100644
--- a/hw/bsp/gd32vf103/family.c
+++ b/hw/bsp/gd32vf103/family.c
@@ -112,7 +112,7 @@ void board_init(void) {
   otg_core_regs->GCCFG &= ~GCCFG_VBUSIG;
 #endif
 
-  /* Enable interrupts globaly */
+  /* Enable interrupts globally */
   __enable_irq();
 }
 
@@ -120,7 +120,7 @@ void gd32vf103_reset(void) {
   /* The MTIMER unit of the GD32VF103 doesn't have the MSFRST
    * register to generate a software reset request.
    * BUT instead two undocumented registers in the debug peripheral
-   * that allow issueing a software reset.
+   * that allow issuing a software reset.
    * https://github.com/esmil/gd32vf103inator/blob/master/include/gd32vf103/dbg.h
    */
   DBG_KEY = DBG_KEY_UNLOCK;
diff --git a/hw/bsp/gd32vf103/system_gd32vf103.c b/hw/bsp/gd32vf103/system_gd32vf103.c
index 29518a54a..c2001a980 100644
--- a/hw/bsp/gd32vf103/system_gd32vf103.c
+++ b/hw/bsp/gd32vf103/system_gd32vf103.c
@@ -574,7 +574,7 @@ void ECLIC_Init(void)
  * \param [in]  IRQn        NMI interrupt handler address
  * \param [in]  shv         \ref ECLIC_NON_VECTOR_INTERRUPT means non-vector mode, and \ref ECLIC_VECTOR_INTERRUPT is vector mode
  * \param [in]  trig_mode   see \ref ECLIC_TRIGGER_Type
- * \param [in]  lvl         interupt level
+ * \param [in]  lvl         interrupt level
  * \param [in]  priority    interrupt priority
  * \param [in]  handler     interrupt handler, if NULL, handler will not be installed
  * \return       -1 means invalid input parameter. 0 means successful.
diff --git a/hw/bsp/imxrt/boards/mimxrt1010_evk/evkmimxrt1010_flexspi_nor_config.h b/hw/bsp/imxrt/boards/mimxrt1010_evk/evkmimxrt1010_flexspi_nor_config.h
index 4be2760be..bb5a64448 100644
--- a/hw/bsp/imxrt/boards/mimxrt1010_evk/evkmimxrt1010_flexspi_nor_config.h
+++ b/hw/bsp/imxrt/boards/mimxrt1010_evk/evkmimxrt1010_flexspi_nor_config.h
@@ -18,7 +18,7 @@
 #define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
 /*@}*/
 
-/* FLEXSPI memory config block related defintions */
+/* FLEXSPI memory config block related definitions */
 #define FLEXSPI_CFG_BLK_TAG (0x42464346UL)     // ascii "FCFB" Big Endian
 #define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
 #define FLEXSPI_CFG_BLK_SIZE (512)
@@ -26,7 +26,7 @@
 /* FLEXSPI Feature related definitions */
 #define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
 
-/* Lookup table related defintions */
+/* Lookup table related definitions */
 #define CMD_INDEX_READ 0
 #define CMD_INDEX_READSTATUS 1
 #define CMD_INDEX_WRITEENABLE 2
@@ -123,7 +123,7 @@ enum
     kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
     kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
     kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
-    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash deivce is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
 };
 
 //!@brief Flash Pad Definitions
@@ -184,7 +184,7 @@ typedef struct _FlexSPIConfig
     //! details
     uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
     uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
-    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
     //! Chapter for more details
     uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
     //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
@@ -252,7 +252,7 @@ typedef struct _flexspi_nor_config
     uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
     uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
     uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
-    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP commmand execution
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
     uint32_t blockSize;             //!< Block size
     uint32_t reserve2[11];          //!< Reserved for future use
 } flexspi_nor_config_t;
diff --git a/hw/bsp/imxrt/boards/mimxrt1015_evk/evkmimxrt1015_flexspi_nor_config.h b/hw/bsp/imxrt/boards/mimxrt1015_evk/evkmimxrt1015_flexspi_nor_config.h
index 94af5a115..f1415aeec 100644
--- a/hw/bsp/imxrt/boards/mimxrt1015_evk/evkmimxrt1015_flexspi_nor_config.h
+++ b/hw/bsp/imxrt/boards/mimxrt1015_evk/evkmimxrt1015_flexspi_nor_config.h
@@ -18,7 +18,7 @@
 #define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
 /*@}*/
 
-/* FLEXSPI memory config block related defintions */
+/* FLEXSPI memory config block related definitions */
 #define FLEXSPI_CFG_BLK_TAG (0x42464346UL)     // ascii "FCFB" Big Endian
 #define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
 #define FLEXSPI_CFG_BLK_SIZE (512)
@@ -26,7 +26,7 @@
 /* FLEXSPI Feature related definitions */
 #define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
 
-/* Lookup table related defintions */
+/* Lookup table related definitions */
 #define CMD_INDEX_READ 0
 #define CMD_INDEX_READSTATUS 1
 #define CMD_INDEX_WRITEENABLE 2
@@ -124,7 +124,7 @@ enum
     kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
     kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
     kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
-    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash deivce is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
 };
 
 //!@brief Flash Pad Definitions
@@ -185,7 +185,7 @@ typedef struct _FlexSPIConfig
     //! details
     uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
     uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
-    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
     //! Chapter for more details
     uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
     //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
@@ -253,7 +253,7 @@ typedef struct _flexspi_nor_config
     uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
     uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
     uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
-    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP commmand execution
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
     uint32_t blockSize;             //!< Block size
     uint32_t reserve2[11];          //!< Reserved for future use
 } flexspi_nor_config_t;
diff --git a/hw/bsp/imxrt/boards/mimxrt1020_evk/evkmimxrt1020_flexspi_nor_config.h b/hw/bsp/imxrt/boards/mimxrt1020_evk/evkmimxrt1020_flexspi_nor_config.h
index f5e1aca5c..ad79d5002 100644
--- a/hw/bsp/imxrt/boards/mimxrt1020_evk/evkmimxrt1020_flexspi_nor_config.h
+++ b/hw/bsp/imxrt/boards/mimxrt1020_evk/evkmimxrt1020_flexspi_nor_config.h
@@ -18,7 +18,7 @@
 #define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
 /*@}*/
 
-/* FLEXSPI memory config block related defintions */
+/* FLEXSPI memory config block related definitions */
 #define FLEXSPI_CFG_BLK_TAG (0x42464346UL)     // ascii "FCFB" Big Endian
 #define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
 #define FLEXSPI_CFG_BLK_SIZE (512)
@@ -26,7 +26,7 @@
 /* FLEXSPI Feature related definitions */
 #define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
 
-/* Lookup table related defintions */
+/* Lookup table related definitions */
 #define CMD_INDEX_READ 0
 #define CMD_INDEX_READSTATUS 1
 #define CMD_INDEX_WRITEENABLE 2
@@ -124,7 +124,7 @@ enum
     kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
     kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
     kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
-    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash deivce is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
 };
 
 //!@brief Flash Pad Definitions
@@ -185,7 +185,7 @@ typedef struct _FlexSPIConfig
     //! details
     uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
     uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
-    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
     //! Chapter for more details
     uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
     //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
@@ -253,7 +253,7 @@ typedef struct _flexspi_nor_config
     uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
     uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
     uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
-    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP commmand execution
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
     uint32_t blockSize;             //!< Block size
     uint32_t reserve2[11];          //!< Reserved for future use
 } flexspi_nor_config_t;
diff --git a/hw/bsp/imxrt/boards/mimxrt1024_evk/board.h b/hw/bsp/imxrt/boards/mimxrt1024_evk/board.h
new file mode 100644
index 000000000..152c9ab18
--- /dev/null
+++ b/hw/bsp/imxrt/boards/mimxrt1024_evk/board.h
@@ -0,0 +1,52 @@
+/* 
+ * 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_
+
+// required since iMX RT10xx SDK include this file for board size
+// RT1020-EVK #define BOARD_FLASH_SIZE (0x800000U)
+#define BOARD_FLASH_SIZE (0x400000U) // builtin flash of RT1024
+
+// LED - DRN updated for RT1024EVK
+#define LED_PINMUX            IOMUXC_GPIO_AD_B1_08_GPIO1_IO24
+#define LED_PORT              GPIO1
+#define LED_PIN               24
+#define LED_STATE_ON          1
+
+// SW8 button - DRN verified
+#define BUTTON_PINMUX         IOMUXC_SNVS_WAKEUP_GPIO5_IO00
+#define BUTTON_PORT           GPIO5
+#define BUTTON_PIN            0
+#define BUTTON_STATE_ACTIVE   0
+
+// UART - DRN verified
+#define UART_PORT             LPUART1
+#define UART_RX_PINMUX        IOMUXC_GPIO_AD_B0_07_LPUART1_RX
+#define UART_TX_PINMUX        IOMUXC_GPIO_AD_B0_06_LPUART1_TX
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/imxrt/boards/mimxrt1024_evk/board.mk b/hw/bsp/imxrt/boards/mimxrt1024_evk/board.mk
new file mode 100644
index 000000000..92209992d
--- /dev/null
+++ b/hw/bsp/imxrt/boards/mimxrt1024_evk/board.mk
@@ -0,0 +1,14 @@
+CFLAGS += -DCPU_MIMXRT1024DAG5A
+MCU_VARIANT = MIMXRT1024
+
+# warnings caused by mcu driver
+CFLAGS += -Wno-error=array-bounds
+
+# For flash-jlink target
+JLINK_DEVICE = MIMXRT1024DAG5A
+
+# For flash-pyocd target
+PYOCD_TARGET = mimxrt1024
+
+# flash using pyocd
+flash: flash-pyocd
diff --git a/hw/bsp/imxrt/boards/mimxrt1024_evk/evkmimxrt1024_flexspi_nor_config.c b/hw/bsp/imxrt/boards/mimxrt1024_evk/evkmimxrt1024_flexspi_nor_config.c
new file mode 100644
index 000000000..43dc1e823
--- /dev/null
+++ b/hw/bsp/imxrt/boards/mimxrt1024_evk/evkmimxrt1024_flexspi_nor_config.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2020 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "evkmimxrt1024_flexspi_nor_config.h"
+
+/* Component ID definition, used by tools. */
+#ifndef FSL_COMPONENT_ID
+#define FSL_COMPONENT_ID "platform.drivers.xip_board"
+#endif
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+#if defined(XIP_BOOT_HEADER_ENABLE) && (XIP_BOOT_HEADER_ENABLE == 1)
+#if defined(__CC_ARM) || defined(__ARMCC_VERSION) || defined(__GNUC__)
+__attribute__((section(".boot_hdr.conf"), used))
+#elif defined(__ICCARM__)
+#pragma location = ".boot_hdr.conf"
+#endif
+
+const flexspi_nor_config_t qspiflash_config = {
+    .memConfig =
+        {
+            .tag              = FLEXSPI_CFG_BLK_TAG,
+            .version          = FLEXSPI_CFG_BLK_VERSION,
+            .readSampleClkSrc = kFlexSPIReadSampleClk_LoopbackInternally,
+            .csHoldTime       = 3u,
+            .csSetupTime      = 3u,
+            .sflashPadType    = kSerialFlash_4Pads,
+            .serialClkFreq    = kFlexSpiSerialClk_60MHz,
+            .sflashA1Size     = 4u * 1024u * 1024u,
+            .lookupTable =
+                {
+                    // Read LUTs
+                    FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18),
+                    FLEXSPI_LUT_SEQ(DUMMY_SDR, FLEXSPI_4PAD, 0x06, READ_SDR, FLEXSPI_4PAD, 0x04),
+                },
+        },
+    .pageSize           = 256u,
+    .sectorSize         = 4u * 1024u,
+    .blockSize          = 64u * 1024u,
+    .isUniformBlockSize = false,
+};
+#endif /* XIP_BOOT_HEADER_ENABLE */
diff --git a/hw/bsp/imxrt/boards/mimxrt1024_evk/evkmimxrt1024_flexspi_nor_config.h b/hw/bsp/imxrt/boards/mimxrt1024_evk/evkmimxrt1024_flexspi_nor_config.h
new file mode 100644
index 000000000..5231dc034
--- /dev/null
+++ b/hw/bsp/imxrt/boards/mimxrt1024_evk/evkmimxrt1024_flexspi_nor_config.h
@@ -0,0 +1,266 @@
+/*
+ * Copyright 2020 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __EVKMIMXRT1024_FLEXSPI_NOR_CONFIG__
+#define __EVKMIMXRT1024_FLEXSPI_NOR_CONFIG__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "fsl_common.h"
+
+/*! @name Driver version */
+/*@{*/
+/*! @brief XIP_BOARD driver version 2.0.1. */
+#define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 1))
+/*@}*/
+
+/* FLEXSPI memory config block related definitions */
+#define FLEXSPI_CFG_BLK_TAG     (0x42464346UL) // ascii "FCFB" Big Endian
+#define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
+#define FLEXSPI_CFG_BLK_SIZE    (512)
+
+/* FLEXSPI Feature related definitions */
+#define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
+
+/* Lookup table related definitions */
+#define CMD_INDEX_READ        0
+#define CMD_INDEX_READSTATUS  1
+#define CMD_INDEX_WRITEENABLE 2
+#define CMD_INDEX_WRITE       4
+
+#define CMD_LUT_SEQ_IDX_READ        0
+#define CMD_LUT_SEQ_IDX_READSTATUS  1
+#define CMD_LUT_SEQ_IDX_WRITEENABLE 3
+#define CMD_LUT_SEQ_IDX_WRITE       9
+
+#define CMD_SDR        0x01
+#define CMD_DDR        0x21
+#define RADDR_SDR      0x02
+#define RADDR_DDR      0x22
+#define CADDR_SDR      0x03
+#define CADDR_DDR      0x23
+#define MODE1_SDR      0x04
+#define MODE1_DDR      0x24
+#define MODE2_SDR      0x05
+#define MODE2_DDR      0x25
+#define MODE4_SDR      0x06
+#define MODE4_DDR      0x26
+#define MODE8_SDR      0x07
+#define MODE8_DDR      0x27
+#define WRITE_SDR      0x08
+#define WRITE_DDR      0x28
+#define READ_SDR       0x09
+#define READ_DDR       0x29
+#define LEARN_SDR      0x0A
+#define LEARN_DDR      0x2A
+#define DATSZ_SDR      0x0B
+#define DATSZ_DDR      0x2B
+#define DUMMY_SDR      0x0C
+#define DUMMY_DDR      0x2C
+#define DUMMY_RWDS_SDR 0x0D
+#define DUMMY_RWDS_DDR 0x2D
+#define JMP_ON_CS      0x1F
+#define STOP           0
+
+#define FLEXSPI_1PAD 0
+#define FLEXSPI_2PAD 1
+#define FLEXSPI_4PAD 2
+#define FLEXSPI_8PAD 3
+
+#define FLEXSPI_LUT_SEQ(cmd0, pad0, op0, cmd1, pad1, op1)                                                              \
+    (FLEXSPI_LUT_OPERAND0(op0) | FLEXSPI_LUT_NUM_PADS0(pad0) | FLEXSPI_LUT_OPCODE0(cmd0) | FLEXSPI_LUT_OPERAND1(op1) | \
+     FLEXSPI_LUT_NUM_PADS1(pad1) | FLEXSPI_LUT_OPCODE1(cmd1))
+
+//!@brief Definitions for FlexSPI Serial Clock Frequency
+typedef enum _FlexSpiSerialClockFreq
+{
+    kFlexSpiSerialClk_30MHz  = 1,
+    kFlexSpiSerialClk_50MHz  = 2,
+    kFlexSpiSerialClk_60MHz  = 3,
+    kFlexSpiSerialClk_75MHz  = 4,
+    kFlexSpiSerialClk_80MHz  = 5,
+    kFlexSpiSerialClk_100MHz = 6,
+    kFlexSpiSerialClk_133MHz = 7,
+} flexspi_serial_clk_freq_t;
+
+//!@brief FlexSPI clock configuration type
+enum
+{
+    kFlexSpiClk_SDR, //!< Clock configure for SDR mode
+    kFlexSpiClk_DDR, //!< Clock configurat for DDR mode
+};
+
+//!@brief FlexSPI Read Sample Clock Source definition
+typedef enum _FlashReadSampleClkSource
+{
+    kFlexSPIReadSampleClk_LoopbackInternally      = 0,
+    kFlexSPIReadSampleClk_LoopbackFromDqsPad      = 1,
+    kFlexSPIReadSampleClk_LoopbackFromSckPad      = 2,
+    kFlexSPIReadSampleClk_ExternalInputFromDqsPad = 3,
+} flexspi_read_sample_clk_t;
+
+//!@brief Misc feature bit definitions
+enum
+{
+    kFlexSpiMiscOffset_DiffClkEnable            = 0, //!< Bit for Differential clock enable
+    kFlexSpiMiscOffset_Ck2Enable                = 1, //!< Bit for CK2 enable
+    kFlexSpiMiscOffset_ParallelEnable           = 2, //!< Bit for Parallel mode enable
+    kFlexSpiMiscOffset_WordAddressableEnable    = 3, //!< Bit for Word Addressable enable
+    kFlexSpiMiscOffset_SafeConfigFreqEnable     = 4, //!< Bit for Safe Configuration Frequency enable
+    kFlexSpiMiscOffset_PadSettingOverrideEnable = 5, //!< Bit for Pad setting override enable
+    kFlexSpiMiscOffset_DdrModeEnable            = 6, //!< Bit for DDR clock confiuration indication.
+};
+
+//!@brief Flash Type Definition
+enum
+{
+    kFlexSpiDeviceType_SerialNOR    = 1,    //!< Flash devices are Serial NOR
+    kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
+    kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
+    kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+};
+
+//!@brief Flash Pad Definitions
+enum
+{
+    kSerialFlash_1Pad  = 1,
+    kSerialFlash_2Pads = 2,
+    kSerialFlash_4Pads = 4,
+    kSerialFlash_8Pads = 8,
+};
+
+//!@brief FlexSPI LUT Sequence structure
+typedef struct _lut_sequence
+{
+    uint8_t seqNum; //!< Sequence Number, valid number: 1-16
+    uint8_t seqId;  //!< Sequence Index, valid number: 0-15
+    uint16_t reserved;
+} flexspi_lut_seq_t;
+
+//!@brief Flash Configuration Command Type
+enum
+{
+    kDeviceConfigCmdType_Generic,    //!< Generic command, for example: configure dummy cycles, drive strength, etc
+    kDeviceConfigCmdType_QuadEnable, //!< Quad Enable command
+    kDeviceConfigCmdType_Spi2Xpi,    //!< Switch from SPI to DPI/QPI/OPI mode
+    kDeviceConfigCmdType_Xpi2Spi,    //!< Switch from DPI/QPI/OPI to SPI mode
+    kDeviceConfigCmdType_Spi2NoCmd,  //!< Switch to 0-4-4/0-8-8 mode
+    kDeviceConfigCmdType_Reset,      //!< Reset device command
+};
+
+//!@brief FlexSPI Memory Configuration Block
+typedef struct _FlexSPIConfig
+{
+    uint32_t tag;               //!< [0x000-0x003] Tag, fixed value 0x42464346UL
+    uint32_t version;           //!< [0x004-0x007] Version,[31:24] -'V', [23:16] - Major, [15:8] - Minor, [7:0] - bugfix
+    uint32_t reserved0;         //!< [0x008-0x00b] Reserved for future use
+    uint8_t readSampleClkSrc;   //!< [0x00c-0x00c] Read Sample Clock Source, valid value: 0/1/3
+    uint8_t csHoldTime;         //!< [0x00d-0x00d] CS hold time, default value: 3
+    uint8_t csSetupTime;        //!< [0x00e-0x00e] CS setup time, default value: 3
+    uint8_t columnAddressWidth; //!< [0x00f-0x00f] Column Address with, for HyperBus protocol, it is fixed to 3, For
+    //! Serial NAND, need to refer to datasheet
+    uint8_t deviceModeCfgEnable; //!< [0x010-0x010] Device Mode Configure enable flag, 1 - Enable, 0 - Disable
+    uint8_t deviceModeType; //!< [0x011-0x011] Specify the configuration command type:Quad Enable, DPI/QPI/OPI switch,
+    //! Generic configuration, etc.
+    uint16_t waitTimeCfgCommands; //!< [0x012-0x013] Wait time for all configuration commands, unit: 100us, Used for
+    //! DPI/QPI/OPI switch or reset command
+    flexspi_lut_seq_t deviceModeSeq; //!< [0x014-0x017] Device mode sequence info, [7:0] - LUT sequence id, [15:8] - LUt
+    //! sequence number, [31:16] Reserved
+    uint32_t deviceModeArg;    //!< [0x018-0x01b] Argument/Parameter for device configuration
+    uint8_t configCmdEnable;   //!< [0x01c-0x01c] Configure command Enable Flag, 1 - Enable, 0 - Disable
+    uint8_t configModeType[3]; //!< [0x01d-0x01f] Configure Mode Type, similar as deviceModeTpe
+    flexspi_lut_seq_t
+        configCmdSeqs[3]; //!< [0x020-0x02b] Sequence info for Device Configuration command, similar as deviceModeSeq
+    uint32_t reserved1;   //!< [0x02c-0x02f] Reserved for future use
+    uint32_t configCmdArgs[3];     //!< [0x030-0x03b] Arguments/Parameters for device Configuration commands
+    uint32_t reserved2;            //!< [0x03c-0x03f] Reserved for future use
+    uint32_t controllerMiscOption; //!< [0x040-0x043] Controller Misc Options, see Misc feature bit definitions for more
+    //! details
+    uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
+    uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
+    //! Chapter for more details
+    uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
+    //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
+    uint32_t reserved3[2];           //!< [0x048-0x04f] Reserved for future use
+    uint32_t sflashA1Size;           //!< [0x050-0x053] Size of Flash connected to A1
+    uint32_t sflashA2Size;           //!< [0x054-0x057] Size of Flash connected to A2
+    uint32_t sflashB1Size;           //!< [0x058-0x05b] Size of Flash connected to B1
+    uint32_t sflashB2Size;           //!< [0x05c-0x05f] Size of Flash connected to B2
+    uint32_t csPadSettingOverride;   //!< [0x060-0x063] CS pad setting override value
+    uint32_t sclkPadSettingOverride; //!< [0x064-0x067] SCK pad setting override value
+    uint32_t dataPadSettingOverride; //!< [0x068-0x06b] data pad setting override value
+    uint32_t dqsPadSettingOverride;  //!< [0x06c-0x06f] DQS pad setting override value
+    uint32_t timeoutInMs;            //!< [0x070-0x073] Timeout threshold for read status command
+    uint32_t commandInterval;        //!< [0x074-0x077] CS deselect interval between two commands
+    uint16_t dataValidTime[2]; //!< [0x078-0x07b] CLK edge to data valid time for PORT A and PORT B, in terms of 0.1ns
+    uint16_t busyOffset;       //!< [0x07c-0x07d] Busy offset, valid value: 0-31
+    uint16_t busyBitPolarity;  //!< [0x07e-0x07f] Busy flag polarity, 0 - busy flag is 1 when flash device is busy, 1 -
+    //! busy flag is 0 when flash device is busy
+    uint32_t lookupTable[64];           //!< [0x080-0x17f] Lookup table holds Flash command sequences
+    flexspi_lut_seq_t lutCustomSeq[12]; //!< [0x180-0x1af] Customizable LUT Sequences
+    uint32_t reserved4[4];              //!< [0x1b0-0x1bf] Reserved for future use
+} flexspi_mem_config_t;
+
+/*  */
+#define NOR_CMD_INDEX_READ        CMD_INDEX_READ        //!< 0
+#define NOR_CMD_INDEX_READSTATUS  CMD_INDEX_READSTATUS  //!< 1
+#define NOR_CMD_INDEX_WRITEENABLE CMD_INDEX_WRITEENABLE //!< 2
+#define NOR_CMD_INDEX_ERASESECTOR 3                     //!< 3
+#define NOR_CMD_INDEX_PAGEPROGRAM CMD_INDEX_WRITE       //!< 4
+#define NOR_CMD_INDEX_CHIPERASE   5                     //!< 5
+#define NOR_CMD_INDEX_DUMMY       6                     //!< 6
+#define NOR_CMD_INDEX_ERASEBLOCK  7                     //!< 7
+
+#define NOR_CMD_LUT_SEQ_IDX_READ CMD_LUT_SEQ_IDX_READ //!< 0  READ LUT sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_READSTATUS \
+    CMD_LUT_SEQ_IDX_READSTATUS //!< 1  Read Status LUT sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_READSTATUS_XPI \
+    2 //!< 2  Read status DPI/QPI/OPI sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_WRITEENABLE \
+    CMD_LUT_SEQ_IDX_WRITEENABLE //!< 3  Write Enable sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_WRITEENABLE_XPI \
+    4 //!< 4  Write Enable DPI/QPI/OPI sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_ERASESECTOR 5 //!< 5  Erase Sector sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_ERASEBLOCK  8 //!< 8 Erase Block sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_PAGEPROGRAM \
+    CMD_LUT_SEQ_IDX_WRITE                //!< 9  Program sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_CHIPERASE 11 //!< 11 Chip Erase sequence in lookupTable id stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_READ_SFDP 13 //!< 13 Read SFDP sequence in lookupTable id stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_RESTORE_NOCMD \
+    14 //!< 14 Restore 0-4-4/0-8-8 mode sequence id in lookupTable stored in config block
+#define NOR_CMD_LUT_SEQ_IDX_EXIT_NOCMD \
+    15 //!< 15 Exit 0-4-4/0-8-8 mode sequence id in lookupTable stored in config blobk
+
+/*
+ *  Serial NOR configuration block
+ */
+typedef struct _flexspi_nor_config
+{
+    flexspi_mem_config_t memConfig; //!< Common memory configuration info via FlexSPI
+    uint32_t pageSize;              //!< Page size of Serial NOR
+    uint32_t sectorSize;            //!< Sector size of Serial NOR
+    uint8_t ipcmdSerialClkFreq;     //!< Clock frequency for IP command
+    uint8_t isUniformBlockSize;     //!< Sector/Block size is the same
+    uint8_t reserved0[2];           //!< Reserved for future use
+    uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
+    uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
+    uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
+    uint32_t blockSize;             //!< Block size
+    uint32_t reserve2[11];          //!< Reserved for future use
+} flexspi_nor_config_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* __EVKMIMXRT1024_FLEXSPI_NOR_CONFIG__ */
diff --git a/hw/bsp/imxrt/boards/mimxrt1050_evkb/evkbimxrt1050_flexspi_nor_config.h b/hw/bsp/imxrt/boards/mimxrt1050_evkb/evkbimxrt1050_flexspi_nor_config.h
index fe40e7ed7..7a14360e4 100644
--- a/hw/bsp/imxrt/boards/mimxrt1050_evkb/evkbimxrt1050_flexspi_nor_config.h
+++ b/hw/bsp/imxrt/boards/mimxrt1050_evkb/evkbimxrt1050_flexspi_nor_config.h
@@ -19,7 +19,7 @@
 #define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
 /*@}*/
 
-/* FLEXSPI memory config block related defintions */
+/* FLEXSPI memory config block related definitions */
 #define FLEXSPI_CFG_BLK_TAG (0x42464346UL)     // ascii "FCFB" Big Endian
 #define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
 #define FLEXSPI_CFG_BLK_SIZE (512)
@@ -27,7 +27,7 @@
 /* FLEXSPI Feature related definitions */
 #define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
 
-/* Lookup table related defintions */
+/* Lookup table related definitions */
 #define CMD_INDEX_READ 0
 #define CMD_INDEX_READSTATUS 1
 #define CMD_INDEX_WRITEENABLE 2
@@ -125,7 +125,7 @@ enum
     kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
     kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
     kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
-    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash deivce is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
 };
 
 //!@brief Flash Pad Definitions
@@ -186,7 +186,7 @@ typedef struct _FlexSPIConfig
     //! details
     uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
     uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
-    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
     //! Chapter for more details
     uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
     //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
@@ -254,7 +254,7 @@ typedef struct _flexspi_nor_config
     uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
     uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
     uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
-    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP commmand execution
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
     uint32_t blockSize;             //!< Block size
     uint32_t reserve2[11];          //!< Reserved for future use
 } flexspi_nor_config_t;
diff --git a/hw/bsp/imxrt/boards/mimxrt1060_evk/evkmimxrt1060_flexspi_nor_config.h b/hw/bsp/imxrt/boards/mimxrt1060_evk/evkmimxrt1060_flexspi_nor_config.h
index 28d7db57d..b4ef4ad4f 100644
--- a/hw/bsp/imxrt/boards/mimxrt1060_evk/evkmimxrt1060_flexspi_nor_config.h
+++ b/hw/bsp/imxrt/boards/mimxrt1060_evk/evkmimxrt1060_flexspi_nor_config.h
@@ -18,7 +18,7 @@
 #define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
 /*@}*/
 
-/* FLEXSPI memory config block related defintions */
+/* FLEXSPI memory config block related definitions */
 #define FLEXSPI_CFG_BLK_TAG (0x42464346UL)     // ascii "FCFB" Big Endian
 #define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
 #define FLEXSPI_CFG_BLK_SIZE (512)
@@ -26,7 +26,7 @@
 /* FLEXSPI Feature related definitions */
 #define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
 
-/* Lookup table related defintions */
+/* Lookup table related definitions */
 #define CMD_INDEX_READ 0
 #define CMD_INDEX_READSTATUS 1
 #define CMD_INDEX_WRITEENABLE 2
@@ -124,7 +124,7 @@ enum
     kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
     kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
     kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
-    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash deivce is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
 };
 
 //!@brief Flash Pad Definitions
@@ -185,7 +185,7 @@ typedef struct _FlexSPIConfig
     //! details
     uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
     uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
-    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
     //! Chapter for more details
     uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
     //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
@@ -253,7 +253,7 @@ typedef struct _flexspi_nor_config
     uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
     uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
     uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
-    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP commmand execution
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
     uint32_t blockSize;             //!< Block size
     uint32_t reserve2[11];          //!< Reserved for future use
 } flexspi_nor_config_t;
diff --git a/hw/bsp/imxrt/boards/mimxrt1064_evk/evkmimxrt1064_flexspi_nor_config.h b/hw/bsp/imxrt/boards/mimxrt1064_evk/evkmimxrt1064_flexspi_nor_config.h
index efdfe583f..995e88cb9 100644
--- a/hw/bsp/imxrt/boards/mimxrt1064_evk/evkmimxrt1064_flexspi_nor_config.h
+++ b/hw/bsp/imxrt/boards/mimxrt1064_evk/evkmimxrt1064_flexspi_nor_config.h
@@ -18,7 +18,7 @@
 #define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
 /*@}*/
 
-/* FLEXSPI memory config block related defintions */
+/* FLEXSPI memory config block related definitions */
 #define FLEXSPI_CFG_BLK_TAG (0x42464346UL)     // ascii "FCFB" Big Endian
 #define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
 #define FLEXSPI_CFG_BLK_SIZE (512)
@@ -26,7 +26,7 @@
 /* FLEXSPI Feature related definitions */
 #define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
 
-/* Lookup table related defintions */
+/* Lookup table related definitions */
 #define CMD_INDEX_READ 0
 #define CMD_INDEX_READSTATUS 1
 #define CMD_INDEX_WRITEENABLE 2
@@ -124,7 +124,7 @@ enum
     kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
     kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
     kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
-    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash deivce is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
 };
 
 //!@brief Flash Pad Definitions
@@ -185,7 +185,7 @@ typedef struct _FlexSPIConfig
     //! details
     uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
     uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
-    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
     //! Chapter for more details
     uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
     //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
@@ -253,7 +253,7 @@ typedef struct _flexspi_nor_config
     uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
     uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
     uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
-    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP commmand execution
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
     uint32_t blockSize;             //!< Block size
     uint32_t reserve2[11];          //!< Reserved for future use
 } flexspi_nor_config_t;
diff --git a/hw/bsp/imxrt/boards/teensy_40/teensy40_flexspi_nor_config.h b/hw/bsp/imxrt/boards/teensy_40/teensy40_flexspi_nor_config.h
index 56068ec6a..d24d4f10a 100644
--- a/hw/bsp/imxrt/boards/teensy_40/teensy40_flexspi_nor_config.h
+++ b/hw/bsp/imxrt/boards/teensy_40/teensy40_flexspi_nor_config.h
@@ -18,7 +18,7 @@
 #define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
 /*@}*/
 
-/* FLEXSPI memory config block related defintions */
+/* FLEXSPI memory config block related definitions */
 #define FLEXSPI_CFG_BLK_TAG (0x42464346UL)     // ascii "FCFB" Big Endian
 #define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
 #define FLEXSPI_CFG_BLK_SIZE (512)
@@ -26,7 +26,7 @@
 /* FLEXSPI Feature related definitions */
 #define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
 
-/* Lookup table related defintions */
+/* Lookup table related definitions */
 #define CMD_INDEX_READ 0
 #define CMD_INDEX_READSTATUS 1
 #define CMD_INDEX_WRITEENABLE 2
@@ -124,7 +124,7 @@ enum
     kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
     kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
     kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
-    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash deivce is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
 };
 
 //!@brief Flash Pad Definitions
@@ -185,7 +185,7 @@ typedef struct _FlexSPIConfig
     //! details
     uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
     uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
-    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
     //! Chapter for more details
     uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
     //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
@@ -253,7 +253,7 @@ typedef struct _flexspi_nor_config
     uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
     uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
     uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
-    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP commmand execution
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
     uint32_t blockSize;             //!< Block size
     uint32_t reserve2[11];          //!< Reserved for future use
 } flexspi_nor_config_t;
diff --git a/hw/bsp/imxrt/boards/teensy_41/teensy41_flexspi_nor_config.h b/hw/bsp/imxrt/boards/teensy_41/teensy41_flexspi_nor_config.h
index 56068ec6a..d24d4f10a 100644
--- a/hw/bsp/imxrt/boards/teensy_41/teensy41_flexspi_nor_config.h
+++ b/hw/bsp/imxrt/boards/teensy_41/teensy41_flexspi_nor_config.h
@@ -18,7 +18,7 @@
 #define FSL_XIP_BOARD_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
 /*@}*/
 
-/* FLEXSPI memory config block related defintions */
+/* FLEXSPI memory config block related definitions */
 #define FLEXSPI_CFG_BLK_TAG (0x42464346UL)     // ascii "FCFB" Big Endian
 #define FLEXSPI_CFG_BLK_VERSION (0x56010400UL) // V1.4.0
 #define FLEXSPI_CFG_BLK_SIZE (512)
@@ -26,7 +26,7 @@
 /* FLEXSPI Feature related definitions */
 #define FLEXSPI_FEATURE_HAS_PARALLEL_MODE 1
 
-/* Lookup table related defintions */
+/* Lookup table related definitions */
 #define CMD_INDEX_READ 0
 #define CMD_INDEX_READSTATUS 1
 #define CMD_INDEX_WRITEENABLE 2
@@ -124,7 +124,7 @@ enum
     kFlexSpiDeviceType_SerialNAND   = 2,    //!< Flash devices are Serial NAND
     kFlexSpiDeviceType_SerialRAM    = 3,    //!< Flash devices are Serial RAM/HyperFLASH
     kFlexSpiDeviceType_MCP_NOR_NAND = 0x12, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial NAND
-    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash deivce is MCP device, A1 is Serial NOR, A2 is Serial RAMs
+    kFlexSpiDeviceType_MCP_NOR_RAM  = 0x13, //!< Flash device is MCP device, A1 is Serial NOR, A2 is Serial RAMs
 };
 
 //!@brief Flash Pad Definitions
@@ -185,7 +185,7 @@ typedef struct _FlexSPIConfig
     //! details
     uint8_t deviceType;    //!< [0x044-0x044] Device Type:  See Flash Type Definition for more details
     uint8_t sflashPadType; //!< [0x045-0x045] Serial Flash Pad Type: 1 - Single, 2 - Dual, 4 - Quad, 8 - Octal
-    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequencey, device specific definitions, See System Boot
+    uint8_t serialClkFreq; //!< [0x046-0x046] Serial Flash Frequency, device specific definitions, See System Boot
     //! Chapter for more details
     uint8_t lutCustomSeqEnable; //!< [0x047-0x047] LUT customization Enable, it is required if the program/erase cannot
     //! be done using 1 LUT sequence, currently, only applicable to HyperFLASH
@@ -253,7 +253,7 @@ typedef struct _flexspi_nor_config
     uint8_t serialNorType;          //!< Serial NOR Flash type: 0/1/2/3
     uint8_t needExitNoCmdMode;      //!< Need to exit NoCmd mode before other IP command
     uint8_t halfClkForNonReadCmd;   //!< Half the Serial Clock for non-read command: true/false
-    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP commmand execution
+    uint8_t needRestoreNoCmdMode;   //!< Need to Restore NoCmd mode after IP command execution
     uint32_t blockSize;             //!< Block size
     uint32_t reserve2[11];          //!< Reserved for future use
 } flexspi_nor_config_t;
diff --git a/hw/bsp/imxrt/family.mk b/hw/bsp/imxrt/family.mk
index 846ecd255..0642e52e3 100644
--- a/hw/bsp/imxrt/family.mk
+++ b/hw/bsp/imxrt/family.mk
@@ -30,7 +30,7 @@ MCU_DIR = $(SDK_DIR)/devices/$(MCU_VARIANT)
 # All source paths should be relative to the top level.
 LD_FILE = $(MCU_DIR)/gcc/$(MCU_VARIANT)xxxxx_flexspi_nor.ld
 
-# TODO for net_lwip_webserver exmaple, but may not needed !! 
+# TODO for net_lwip_webserver example, but may not needed !! 
 LDFLAGS += \
 	-Wl,--defsym,__stack_size__=0x800 \
 
diff --git a/hw/bsp/lpc54/family.c b/hw/bsp/lpc54/family.c
index 9bb341e73..621788948 100644
--- a/hw/bsp/lpc54/family.c
+++ b/hw/bsp/lpc54/family.c
@@ -170,7 +170,7 @@ void board_init(void)
     CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1, false);
     CLOCK_AttachClk(kFRO_HF_to_USB0_CLK);
 
-    /*According to reference mannual, device mode setting has to be set by access usb host register */
+    /*According to reference manual, device mode setting has to be set by access usb host register */
     CLOCK_EnableClock(kCLOCK_Usbhsl0); /* enable usb0 host clock */
     USBFSH->PORTMODE |= USBFSH_PORTMODE_DEV_ENABLE_MASK;
     CLOCK_DisableClock(kCLOCK_Usbhsl0); /* disable usb0 host clock */
@@ -182,7 +182,7 @@ void board_init(void)
     // Port1 is High Speed
     POWER_DisablePD(kPDRUNCFG_PD_USB1_PHY);
 
-    /*According to reference mannual, device mode setting has to be set by access usb host register */
+    /*According to reference manual, device mode setting has to be set by access usb host register */
     CLOCK_EnableClock(kCLOCK_Usbh1); /* enable usb1 host clock */
     USBHSH->PORTMODE |= USBHSH_PORTMODE_DEV_ENABLE_MASK;
     CLOCK_DisableClock(kCLOCK_Usbh1); /* enable usb1 host clock */
diff --git a/hw/bsp/lpc55/family.c b/hw/bsp/lpc55/family.c
index e7aed5759..5b6c56dd3 100644
--- a/hw/bsp/lpc55/family.c
+++ b/hw/bsp/lpc55/family.c
@@ -192,7 +192,7 @@ void board_init(void)
   CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1, false);
   CLOCK_AttachClk(kFRO_HF_to_USB0_CLK);
 
-  /*According to reference mannual, device mode setting has to be set by access usb host register */
+  /*According to reference manual, device mode setting has to be set by access usb host register */
   CLOCK_EnableClock(kCLOCK_Usbhsl0);  // enable usb0 host clock
   USBFSH->PORTMODE |= USBFSH_PORTMODE_DEV_ENABLE_MASK;
   CLOCK_DisableClock(kCLOCK_Usbhsl0); // disable usb0 host clock
@@ -213,7 +213,7 @@ void board_init(void)
   RESET_PeripheralReset(kUSB1_RST_SHIFT_RSTn);
   RESET_PeripheralReset(kUSB1RAM_RST_SHIFT_RSTn);
 
-  /* According to reference mannual, device mode setting has to be set by access usb host register */
+  /* According to reference manual, device mode setting has to be set by access usb host register */
   CLOCK_EnableClock(kCLOCK_Usbh1); // enable usb0 host clock
 
   USBHSH->PORTMODE = USBHSH_PORTMODE_SW_PDCOM_MASK; // Put PHY powerdown under software control
diff --git a/hw/bsp/mm32/boards/mm32f327x_mb39/flash.ld b/hw/bsp/mm32/boards/mm32f327x_mb39/flash.ld
index d96d6e43d..0b45ee7bd 100644
--- a/hw/bsp/mm32/boards/mm32f327x_mb39/flash.ld
+++ b/hw/bsp/mm32/boards/mm32f327x_mb39/flash.ld
@@ -126,7 +126,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/rp2040/family.c b/hw/bsp/rp2040/family.c
index 26008168d..f7ee56990 100644
--- a/hw/bsp/rp2040/family.c
+++ b/hw/bsp/rp2040/family.c
@@ -226,6 +226,6 @@ int board_getchar(void)
 
 //--------------------------------------------------------------------+
 // USB Interrupt Handler
-// rp2040 implementation will install approriate handler when initializing
+// rp2040 implementation will install appropriate handler when initializing
 // tinyusb. There is no need to forward IRQ from application
 //--------------------------------------------------------------------+
diff --git a/hw/bsp/sltb009a/sltb009a.c b/hw/bsp/sltb009a/sltb009a.c
index b929adb13..b5eb5ed5d 100644
--- a/hw/bsp/sltb009a/sltb009a.c
+++ b/hw/bsp/sltb009a/sltb009a.c
@@ -397,7 +397,7 @@ void cmu_init(void)
     CMU->HFCLKSEL = CMU_HFCLKSEL_HF_HFXO;
     while((CMU->HFCLKSTATUS & _CMU_HFCLKSTATUS_SELECTED_MASK) != CMU_HFCLKSTATUS_SELECTED_HFXO);
 
-    // Calibrate HFRCO for 72MHz and enable tunning by PLL
+    // Calibrate HFRCO for 72MHz and enable tuning by PLL
     cmu_hfrco_calib((DEVINFO->HFRCOCAL16) | CMU_HFRCOCTRL_FINETUNINGEN);
 
     // Setup the PLL
diff --git a/hw/bsp/stm32f0/boards/stm32f070rbnucleo/stm32F070rbtx_flash.ld b/hw/bsp/stm32f0/boards/stm32f070rbnucleo/stm32F070rbtx_flash.ld
index 59e18f375..4a6491510 100644
--- a/hw/bsp/stm32f0/boards/stm32f070rbnucleo/stm32F070rbtx_flash.ld
+++ b/hw/bsp/stm32f0/boards/stm32f070rbnucleo/stm32F070rbtx_flash.ld
@@ -165,7 +165,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f0/boards/stm32f072disco/STM32F072RBTx_FLASH.ld b/hw/bsp/stm32f0/boards/stm32f072disco/STM32F072RBTx_FLASH.ld
index 8d31f6a00..f0879e929 100644
--- a/hw/bsp/stm32f0/boards/stm32f072disco/STM32F072RBTx_FLASH.ld
+++ b/hw/bsp/stm32f0/boards/stm32f072disco/STM32F072RBTx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f1/boards/stm32f103_bluepill/STM32F103X8_FLASH.ld b/hw/bsp/stm32f1/boards/stm32f103_bluepill/STM32F103X8_FLASH.ld
index ca1804905..c434ca038 100644
--- a/hw/bsp/stm32f1/boards/stm32f103_bluepill/STM32F103X8_FLASH.ld
+++ b/hw/bsp/stm32f1/boards/stm32f103_bluepill/STM32F103X8_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f1/boards/stm32f103_mini_2/STM32F103XC_FLASH.ld b/hw/bsp/stm32f1/boards/stm32f103_mini_2/STM32F103XC_FLASH.ld
index da40d1eb2..da637d1b0 100644
--- a/hw/bsp/stm32f1/boards/stm32f103_mini_2/STM32F103XC_FLASH.ld
+++ b/hw/bsp/stm32f1/boards/stm32f103_mini_2/STM32F103XC_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f207nucleo/STM32F207ZGTx_FLASH.ld b/hw/bsp/stm32f207nucleo/STM32F207ZGTx_FLASH.ld
index 29e387f28..5010435ae 100644
--- a/hw/bsp/stm32f207nucleo/STM32F207ZGTx_FLASH.ld
+++ b/hw/bsp/stm32f207nucleo/STM32F207ZGTx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f303disco/STM32F303VCTx_FLASH.ld b/hw/bsp/stm32f303disco/STM32F303VCTx_FLASH.ld
index ca9046d29..7f46c71b2 100644
--- a/hw/bsp/stm32f303disco/STM32F303VCTx_FLASH.ld
+++ b/hw/bsp/stm32f303disco/STM32F303VCTx_FLASH.ld
@@ -150,7 +150,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f4/boards/feather_stm32f405/STM32F405RGTx_FLASH.ld b/hw/bsp/stm32f4/boards/feather_stm32f405/STM32F405RGTx_FLASH.ld
index 57ef61e26..9eb53bcc0 100644
--- a/hw/bsp/stm32f4/boards/feather_stm32f405/STM32F405RGTx_FLASH.ld
+++ b/hw/bsp/stm32f4/boards/feather_stm32f405/STM32F405RGTx_FLASH.ld
@@ -150,7 +150,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f4/boards/pyboardv11/STM32F405RGTx_FLASH.ld b/hw/bsp/stm32f4/boards/pyboardv11/STM32F405RGTx_FLASH.ld
index 57ef61e26..9eb53bcc0 100644
--- a/hw/bsp/stm32f4/boards/pyboardv11/STM32F405RGTx_FLASH.ld
+++ b/hw/bsp/stm32f4/boards/pyboardv11/STM32F405RGTx_FLASH.ld
@@ -150,7 +150,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f4/boards/stm32f401blackpill/STM32F401VCTx_FLASH.ld b/hw/bsp/stm32f4/boards/stm32f401blackpill/STM32F401VCTx_FLASH.ld
index f51f1ab41..2bc5f6c14 100644
--- a/hw/bsp/stm32f4/boards/stm32f401blackpill/STM32F401VCTx_FLASH.ld
+++ b/hw/bsp/stm32f4/boards/stm32f401blackpill/STM32F401VCTx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h b/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h
index 0f820512c..e1fef7277 100644
--- a/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h
+++ b/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h
@@ -93,7 +93,7 @@ static inline void board_clock_init(void)
 
 static inline void board_vbus_sense_init(void)
 {
-  // Blackpill doens't use VBUS sense (B device) explicitly disable it
+  // Blackpill doesn't use VBUS sense (B device) explicitly disable it
   USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
   USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
   USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN;
diff --git a/hw/bsp/stm32f4/boards/stm32f407disco/STM32F407VGTx_FLASH.ld b/hw/bsp/stm32f4/boards/stm32f407disco/STM32F407VGTx_FLASH.ld
index c41602720..aac6577ea 100644
--- a/hw/bsp/stm32f4/boards/stm32f407disco/STM32F407VGTx_FLASH.ld
+++ b/hw/bsp/stm32f4/boards/stm32f407disco/STM32F407VGTx_FLASH.ld
@@ -150,7 +150,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f4/boards/stm32f411blackpill/STM32F411CEUx_FLASH.ld b/hw/bsp/stm32f4/boards/stm32f411blackpill/STM32F411CEUx_FLASH.ld
index efea1e067..56dcea605 100644
--- a/hw/bsp/stm32f4/boards/stm32f411blackpill/STM32F411CEUx_FLASH.ld
+++ b/hw/bsp/stm32f4/boards/stm32f411blackpill/STM32F411CEUx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f4/boards/stm32f411blackpill/board.h b/hw/bsp/stm32f4/boards/stm32f411blackpill/board.h
index 0f820512c..e1fef7277 100644
--- a/hw/bsp/stm32f4/boards/stm32f411blackpill/board.h
+++ b/hw/bsp/stm32f4/boards/stm32f411blackpill/board.h
@@ -93,7 +93,7 @@ static inline void board_clock_init(void)
 
 static inline void board_vbus_sense_init(void)
 {
-  // Blackpill doens't use VBUS sense (B device) explicitly disable it
+  // Blackpill doesn't use VBUS sense (B device) explicitly disable it
   USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
   USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
   USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN;
diff --git a/hw/bsp/stm32f4/boards/stm32f411disco/STM32F411VETx_FLASH.ld b/hw/bsp/stm32f4/boards/stm32f411disco/STM32F411VETx_FLASH.ld
index 3a0ce526f..4477229ea 100644
--- a/hw/bsp/stm32f4/boards/stm32f411disco/STM32F411VETx_FLASH.ld
+++ b/hw/bsp/stm32f4/boards/stm32f411disco/STM32F411VETx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f4/boards/stm32f412disco/STM32F412ZGTx_FLASH.ld b/hw/bsp/stm32f4/boards/stm32f412disco/STM32F412ZGTx_FLASH.ld
index b00b5dbe0..2372cc1d9 100644
--- a/hw/bsp/stm32f4/boards/stm32f412disco/STM32F412ZGTx_FLASH.ld
+++ b/hw/bsp/stm32f4/boards/stm32f412disco/STM32F412ZGTx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f4/boards/stm32f412nucleo/STM32F412ZGTx_FLASH.ld b/hw/bsp/stm32f4/boards/stm32f412nucleo/STM32F412ZGTx_FLASH.ld
index b00b5dbe0..2372cc1d9 100644
--- a/hw/bsp/stm32f4/boards/stm32f412nucleo/STM32F412ZGTx_FLASH.ld
+++ b/hw/bsp/stm32f4/boards/stm32f412nucleo/STM32F412ZGTx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f7/boards/stlinkv3mini/STM32F723xE_FLASH.ld b/hw/bsp/stm32f7/boards/stlinkv3mini/STM32F723xE_FLASH.ld
index 8645ce5c5..f4be85703 100644
--- a/hw/bsp/stm32f7/boards/stlinkv3mini/STM32F723xE_FLASH.ld
+++ b/hw/bsp/stm32f7/boards/stlinkv3mini/STM32F723xE_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f7/boards/stm32f723disco/STM32F723xE_FLASH.ld b/hw/bsp/stm32f7/boards/stm32f723disco/STM32F723xE_FLASH.ld
index 8645ce5c5..f4be85703 100644
--- a/hw/bsp/stm32f7/boards/stm32f723disco/STM32F723xE_FLASH.ld
+++ b/hw/bsp/stm32f7/boards/stm32f723disco/STM32F723xE_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f7/boards/stm32f746disco/STM32F746ZGTx_FLASH.ld b/hw/bsp/stm32f7/boards/stm32f746disco/STM32F746ZGTx_FLASH.ld
index 045ec76f9..eeb0e29f3 100644
--- a/hw/bsp/stm32f7/boards/stm32f746disco/STM32F746ZGTx_FLASH.ld
+++ b/hw/bsp/stm32f7/boards/stm32f746disco/STM32F746ZGTx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f7/boards/stm32f746nucleo/STM32F746ZGTx_FLASH.ld b/hw/bsp/stm32f7/boards/stm32f746nucleo/STM32F746ZGTx_FLASH.ld
index b434a01b7..e1e60bc78 100644
--- a/hw/bsp/stm32f7/boards/stm32f746nucleo/STM32F746ZGTx_FLASH.ld
+++ b/hw/bsp/stm32f7/boards/stm32f746nucleo/STM32F746ZGTx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f7/boards/stm32f767nucleo/STM32F767ZITx_FLASH.ld b/hw/bsp/stm32f7/boards/stm32f767nucleo/STM32F767ZITx_FLASH.ld
index 0b6d5a494..3785f9cbf 100644
--- a/hw/bsp/stm32f7/boards/stm32f767nucleo/STM32F767ZITx_FLASH.ld
+++ b/hw/bsp/stm32f7/boards/stm32f767nucleo/STM32F767ZITx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32f7/boards/stm32f769disco/STM32F769ZITx_FLASH.ld b/hw/bsp/stm32f7/boards/stm32f769disco/STM32F769ZITx_FLASH.ld
index 378ed80dd..520a75539 100644
--- a/hw/bsp/stm32f7/boards/stm32f769disco/STM32F769ZITx_FLASH.ld
+++ b/hw/bsp/stm32f7/boards/stm32f769disco/STM32F769ZITx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32g4/boards/stm32g474nucleo/STM32G474RETx_FLASH.ld b/hw/bsp/stm32g4/boards/stm32g474nucleo/STM32G474RETx_FLASH.ld
index 935d97c87..9c327483b 100644
--- a/hw/bsp/stm32g4/boards/stm32g474nucleo/STM32G474RETx_FLASH.ld
+++ b/hw/bsp/stm32g4/boards/stm32g474nucleo/STM32G474RETx_FLASH.ld
@@ -16,7 +16,7 @@
 **
 **  Target      : STMicroelectronics STM32
 **
-**  Distribution: The file is distributed �as is,� without any warranty
+**  Distribution: The file is distributed �as is,� without any warranty
 **                of any kind.
 **
 *****************************************************************************
@@ -151,7 +151,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h
index eab0bd5f0..aa2bf20bb 100644
--- a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h
+++ b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h
@@ -66,7 +66,7 @@ static inline void board_clock_init(void)
   // Configure the main internal regulator output voltage
   HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST);
 
-  // Initializes the CPU, AHB and APB busses clocks
+  // Initializes the CPU, AHB and APB buses clocks
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE;
   RCC_OscInitStruct.HSEState       = RCC_HSE_ON;
   RCC_OscInitStruct.HSI48State     = RCC_HSI48_ON;
@@ -79,7 +79,7 @@ static inline void board_clock_init(void)
   RCC_OscInitStruct.PLL.PLLR       = RCC_PLLR_DIV2;
   HAL_RCC_OscConfig(&RCC_OscInitStruct);
 
-  // Initializes the CPU, AHB and APB busses clocks
+  // Initializes the CPU, AHB and APB buses clocks
   RCC_ClkInitStruct.ClockType      = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
   RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_PLLCLK;
   RCC_ClkInitStruct.AHBCLKDivider  = RCC_SYSCLK_DIV1;
diff --git a/hw/bsp/stm32h7/boards/stm32h723nucleo/board.h b/hw/bsp/stm32h7/boards/stm32h723nucleo/board.h
new file mode 100644
index 000000000..56a48ec24
--- /dev/null
+++ b/hw/bsp/stm32h7/boards/stm32h723nucleo/board.h
@@ -0,0 +1,131 @@
+/*
+ * 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              GPIOB
+#define LED_PIN               GPIO_PIN_0
+#define LED_STATE_ON          1
+
+#define BUTTON_PORT           GPIOC
+#define BUTTON_PIN            GPIO_PIN_13
+#define BUTTON_STATE_ACTIVE   1
+
+#define UART_DEV              USART3
+#define UART_CLK_EN           __HAL_RCC_USART3_CLK_ENABLE
+#define UART_GPIO_PORT        GPIOD
+#define UART_GPIO_AF          GPIO_AF7_USART3
+#define UART_TX_PIN           GPIO_PIN_8
+#define UART_RX_PIN           GPIO_PIN_9
+
+// VBUS Sense detection
+#define OTG_FS_VBUS_SENSE     1
+#define OTG_HS_VBUS_SENSE     0
+
+// STM32F723 has only one USB HS peripheral
+// Nucleo board does not have ULPI so USB will operate in FS mode only
+// For the rest of the synopsys driver it is FS device however there
+// is only USB_OTG_HS defined. Here are required conversions to
+// make peripheral FS.
+#define __HAL_RCC_USB2_OTG_FS_CLK_ENABLE __HAL_RCC_USB1_OTG_HS_CLK_ENABLE
+#define GPIO_AF10_OTG2_HS               GPIO_AF10_OTG1_HS
+#define USB_OTG_FS                      USB_OTG_HS
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+static inline void board_stm32h7_clock_init(void)
+{
+  RCC_ClkInitTypeDef RCC_ClkInitStruct;
+  RCC_OscInitTypeDef RCC_OscInitStruct;
+
+  /* The PWR block is always enabled on the H7 series- there is no clock
+     enable. For now, use the default VOS3 scale mode (lowest) and limit clock
+     frequencies to avoid potential current draw problems from bus
+     power when using the max clock speeds throughout the chip. */
+
+  /* Enable HSE Oscillator and activate PLL1 with HSE as source */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+  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;
+  RCC_OscInitStruct.PLL.PLLM = HSE_VALUE/1000000;
+  RCC_OscInitStruct.PLL.PLLN = 336;
+  RCC_OscInitStruct.PLL.PLLP = 2;
+  RCC_OscInitStruct.PLL.PLLQ = 7;
+  RCC_OscInitStruct.PLL.PLLR = 2; /* Unused */
+  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_0;
+  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOMEDIUM;
+  RCC_OscInitStruct.PLL.PLLFRACN = 0;
+  HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+  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_DIV1;
+
+  /* Unlike on the STM32F4 family, it appears the maximum APB frequencies are
+     device-dependent- 120 MHz for this board according to Figure 2 of
+     the datasheet. Dividing by half will be safe for now. */
+  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
+  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
+
+  /* 4 wait states required for 168MHz and VOS3. */
+  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
+
+  /* Like on F4, on H7, USB's actual peripheral clock and bus clock are
+     separate. However, the main system PLL (PLL1) doesn't have a direct
+     connection to the USB peripheral clock to generate 48 MHz, so we do this
+     dance. This will connect PLL1's Q output to the USB peripheral clock. */
+  RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
+
+  RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
+  RCC_PeriphCLKInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL;
+  HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
+}
+
+static inline void board_stm32h7_post_init(void)
+{
+  // For this board does nothing
+}
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif
diff --git a/hw/bsp/stm32h7/boards/stm32h723nucleo/board.mk b/hw/bsp/stm32h7/boards/stm32h723nucleo/board.mk
new file mode 100644
index 000000000..bbd0a0e58
--- /dev/null
+++ b/hw/bsp/stm32h7/boards/stm32h723nucleo/board.mk
@@ -0,0 +1,13 @@
+CFLAGS += -DSTM32H723xx -DHSE_VALUE=8000000
+
+# Default is FulSpeed port
+PORT ?= 0
+
+SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32h723xx.s
+LD_FILE = $(BOARD_PATH)/stm32h723xx_flash.ld
+
+# For flash-jlink target
+JLINK_DEVICE = stm32h723zg
+
+# flash target using on-board stlink
+flash: flash-stlink
diff --git a/hw/bsp/stm32h7/boards/stm32h723nucleo/stm32h723xx_flash.ld b/hw/bsp/stm32h7/boards/stm32h723nucleo/stm32h723xx_flash.ld
new file mode 100644
index 000000000..05e0d4e26
--- /dev/null
+++ b/hw/bsp/stm32h7/boards/stm32h723nucleo/stm32h723xx_flash.ld
@@ -0,0 +1,192 @@
+/*
+******************************************************************************
+**
+**  File        : LinkerScript.ld
+**
+**  Author      : STM32CubeIDE
+**
+**  Abstract    : Linker script for STM32H7 series
+**                1024Kbytes FLASH and 560Kbytes 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) 2021 STMicroelectronics.
+** All rights reserved.
+**
+** This software is licensed under terms that can be found in the LICENSE file
+** in the root directory of this software component.
+** If no LICENSE file comes with this software, it is provided AS-IS.
+**
+****************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = ORIGIN(RAM_D1) + LENGTH(RAM_D1);    /* 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
+{
+  ITCMRAM (xrw)    : ORIGIN = 0x00000000,   LENGTH = 64K
+  DTCMRAM (xrw)    : ORIGIN = 0x20000000,   LENGTH = 128K
+  FLASH    (rx)    : ORIGIN = 0x08000000,   LENGTH = 1024K
+  RAM_D1  (xrw)    : ORIGIN = 0x24000000,   LENGTH = 320K
+  RAM_D2  (xrw)    : ORIGIN = 0x30000000,   LENGTH = 32K
+  RAM_D3  (xrw)    : ORIGIN = 0x38000000,   LENGTH = 16K
+}
+
+/* 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 */
+    *(.RamFunc)        /* .RamFunc sections */
+    *(.RamFunc*)       /* .RamFunc* sections */
+
+    . = ALIGN(4);
+    _edata = .;        /* define a global symbol at data end */
+  } >RAM_D1 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_D1
+
+  /* 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_D1
+
+  .usbx_data 0x24027000 (NOLOAD):
+  {
+    *(.UsbHpcdSection)
+
+  } >RAM_D1
+
+  .uart_bss 0x24028000 (NOLOAD):
+  {
+    *(.UsbxAppSection)
+
+  } >RAM_D1
+
+  .usbx_bss 0x24029000 (NOLOAD):
+  {
+    *(.UsbxPoolSection)
+
+  } >RAM_D1
+
+  /* Remove information from the standard libraries */
+  /DISCARD/ :
+  {
+    libc.a ( * )
+    libm.a ( * )
+    libgcc.a ( * )
+  }
+
+  .ARM.attributes 0 : { *(.ARM.attributes) }
+}
diff --git a/hw/bsp/stm32h7/boards/stm32h743eval/stm32h743xx_flash.ld b/hw/bsp/stm32h7/boards/stm32h743eval/stm32h743xx_flash.ld
index 59b9ff4df..7ee40671c 100644
--- a/hw/bsp/stm32h7/boards/stm32h743eval/stm32h743xx_flash.ld
+++ b/hw/bsp/stm32h7/boards/stm32h743eval/stm32h743xx_flash.ld
@@ -134,7 +134,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32h7/boards/stm32h743nucleo/stm32h743xx_flash.ld b/hw/bsp/stm32h7/boards/stm32h743nucleo/stm32h743xx_flash.ld
index 59b9ff4df..7ee40671c 100644
--- a/hw/bsp/stm32h7/boards/stm32h743nucleo/stm32h743xx_flash.ld
+++ b/hw/bsp/stm32h7/boards/stm32h743nucleo/stm32h743xx_flash.ld
@@ -134,7 +134,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32h7/boards/waveshare_openh743i/STM32H743IITX_FLASH.ld b/hw/bsp/stm32h7/boards/waveshare_openh743i/STM32H743IITX_FLASH.ld
index 73d2dedb2..e99bb977b 100644
--- a/hw/bsp/stm32h7/boards/waveshare_openh743i/STM32H743IITX_FLASH.ld
+++ b/hw/bsp/stm32h7/boards/waveshare_openh743i/STM32H743IITX_FLASH.ld
@@ -138,7 +138,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32h7/boards/waveshare_openh743i/board.h b/hw/bsp/stm32h7/boards/waveshare_openh743i/board.h
index 09442c233..2b072e07c 100644
--- a/hw/bsp/stm32h7/boards/waveshare_openh743i/board.h
+++ b/hw/bsp/stm32h7/boards/waveshare_openh743i/board.h
@@ -186,7 +186,7 @@ static inline void timer_board_delay(TIM_HandleTypeDef* tim_hdl, uint32_t ms)
 
 static inline void board_stm32h7_post_init(void)
 {
-  // walkaround for reseting the ULPI PHY using Timer since systick is not
+  // walkaround for resetting the ULPI PHY using Timer since systick is not
   // available when RTOS is used.
 
   // Init timer
diff --git a/hw/bsp/stm32h7/family.c b/hw/bsp/stm32h7/family.c
index 3964f427a..0aa8fe47f 100644
--- a/hw/bsp/stm32h7/family.c
+++ b/hw/bsp/stm32h7/family.c
@@ -66,10 +66,12 @@ void board_init(void)
   __HAL_RCC_GPIOC_CLK_ENABLE(); // USB ULPI NXT
   __HAL_RCC_GPIOD_CLK_ENABLE();
   __HAL_RCC_GPIOE_CLK_ENABLE();
-  __HAL_RCC_GPIOE_CLK_ENABLE();
+  __HAL_RCC_GPIOF_CLK_ENABLE();
   __HAL_RCC_GPIOG_CLK_ENABLE();
   __HAL_RCC_GPIOH_CLK_ENABLE(); // USB ULPI NXT
+#ifdef __HAL_RCC_GPIOI_CLK_ENABLE
   __HAL_RCC_GPIOI_CLK_ENABLE(); // USB ULPI NXT
+#endif
   __HAL_RCC_GPIOJ_CLK_ENABLE();
 
   // Enable UART Clock
@@ -84,7 +86,9 @@ void board_init(void)
   SysTick->CTRL &= ~1U;
 
   // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+#ifdef USB_OTG_FS_PERIPH_BASE
   NVIC_SetPriority(OTG_FS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
   NVIC_SetPriority(OTG_HS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
 #endif
   
diff --git a/hw/bsp/stm32l0/boards/stm32l052dap52/STM32L052K8Ux_FLASH.ld b/hw/bsp/stm32l0/boards/stm32l052dap52/STM32L052K8Ux_FLASH.ld
index 1bc16cc7b..dfefe59f1 100644
--- a/hw/bsp/stm32l0/boards/stm32l052dap52/STM32L052K8Ux_FLASH.ld
+++ b/hw/bsp/stm32l0/boards/stm32l052dap52/STM32L052K8Ux_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32l0538disco/STM32L053C8Tx_FLASH.ld b/hw/bsp/stm32l0538disco/STM32L053C8Tx_FLASH.ld
index 787418e09..79427d80b 100644
--- a/hw/bsp/stm32l0538disco/STM32L053C8Tx_FLASH.ld
+++ b/hw/bsp/stm32l0538disco/STM32L053C8Tx_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32l4/boards/stm32l412nucleo/STM32L412KBUx_FLASH.ld b/hw/bsp/stm32l4/boards/stm32l412nucleo/STM32L412KBUx_FLASH.ld
index 28cd96131..d4b86b3e3 100644
--- a/hw/bsp/stm32l4/boards/stm32l412nucleo/STM32L412KBUx_FLASH.ld
+++ b/hw/bsp/stm32l4/boards/stm32l412nucleo/STM32L412KBUx_FLASH.ld
@@ -145,7 +145,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32l4/boards/stm32l476disco/STM32L476VGTx_FLASH.ld b/hw/bsp/stm32l4/boards/stm32l476disco/STM32L476VGTx_FLASH.ld
index 98f468ac0..d6865f49d 100644
--- a/hw/bsp/stm32l4/boards/stm32l476disco/STM32L476VGTx_FLASH.ld
+++ b/hw/bsp/stm32l4/boards/stm32l476disco/STM32L476VGTx_FLASH.ld
@@ -144,7 +144,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32l4/boards/stm32l4r5nucleo/STM32L4RXxI_FLASH.ld b/hw/bsp/stm32l4/boards/stm32l4r5nucleo/STM32L4RXxI_FLASH.ld
index f93a16041..f77c72d1b 100644
--- a/hw/bsp/stm32l4/boards/stm32l4r5nucleo/STM32L4RXxI_FLASH.ld
+++ b/hw/bsp/stm32l4/boards/stm32l4r5nucleo/STM32L4RXxI_FLASH.ld
@@ -130,7 +130,7 @@ SECTIONS
   . = ALIGN(4);
   .bss :
   {
-    /* This is used by the startup in order to initialize the .bss secion */
+    /* 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)
diff --git a/hw/bsp/stm32u5/boards/stm32u575eval/board.h b/hw/bsp/stm32u5/boards/stm32u575eval/board.h
index 5c348b812..5562b95a8 100644
--- a/hw/bsp/stm32u5/boards/stm32u575eval/board.h
+++ b/hw/bsp/stm32u5/boards/stm32u575eval/board.h
@@ -69,7 +69,7 @@ static inline void board_clock_init(void)
    */
   HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
 
-  /** Initializes the CPU, AHB and APB busses clocks
+  /** Initializes the CPU, AHB and APB buses clocks
   */
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSI;
   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
@@ -92,7 +92,7 @@ static inline void board_clock_init(void)
 
   HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
 
-  /** Initializes the CPU, AHB and APB busses clocks
+  /** Initializes the CPU, AHB and APB buses clocks
    */
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_PCLK3;
   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
diff --git a/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.h b/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.h
index f42c7d6dd..ea975df03 100644
--- a/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.h
+++ b/hw/bsp/stm32wb/boards/stm32wb55nucleo/board.h
@@ -59,7 +59,7 @@ static inline void board_clock_init(void)
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
   RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
 
-  // Initializes the CPU, AHB and APB busses clocks
+  // Initializes the CPU, AHB and APB buses clocks
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE;
   RCC_OscInitStruct.HSEState       = RCC_HSE_ON;
   RCC_OscInitStruct.HSI48State     = RCC_HSI48_ON;
@@ -72,7 +72,7 @@ static inline void board_clock_init(void)
   RCC_OscInitStruct.PLL.PLLR       = RCC_PLLR_DIV3;
   HAL_RCC_OscConfig(&RCC_OscInitStruct);
 
-  // Initializes the CPU, AHB and APB busses clocks
+  // Initializes the CPU, AHB and APB buses clocks
   RCC_ClkInitStruct.ClockType      = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
   RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_PLLCLK;
   RCC_ClkInitStruct.AHBCLKDivider  = RCC_SYSCLK_DIV1;
diff --git a/hw/bsp/tm4c123/family.c b/hw/bsp/tm4c123/family.c
index b0947d6c4..87b94289b 100644
--- a/hw/bsp/tm4c123/family.c
+++ b/hw/bsp/tm4c123/family.c
@@ -39,7 +39,7 @@ static void board_uart_init (void)
   UART0->LCRH = (0x3 << 5);                    // 8-bit, no parity, 1 stop bit
   UART0->CC = 0x0;                             // Configure the UART clock source as system clock
 
-  UART0->CTL = (1 << 0) | (1 << 8) | (1 << 9); // UART0 Enable, Transmit Enable, Recieve Enable
+  UART0->CTL = (1 << 0) | (1 << 8) | (1 << 9); // UART0 Enable, Transmit Enable, Receive Enable
 }
 
 static void initialize_board_led (GPIOA_Type *port, uint8_t PinMsk, uint8_t dirmsk)
diff --git a/hw/mcu/wch/ch32v307 b/hw/mcu/wch/ch32v307
new file mode 160000
+Subproject 17761f5cf9dbbf2dcf665b7c04934188add2008