Merge branch 'master' into port-ft90x

39 files changed, 2223 insertions, 65 deletions

diff --git a/hw/bsp/board_mcu.h b/hw/bsp/board_mcu.h
index f8b5c061c..b911e1e53 100644
--- a/hw/bsp/board_mcu.h
+++ b/hw/bsp/board_mcu.h
@@ -32,7 +32,7 @@
 
 //--------------------------------------------------------------------+
 // Low Level MCU header include. TinyUSB stack and example should be
-// platform independent and mostly doens't need to include this file.
+// platform independent and mostly doesn't need to include this file.
 // However there are still certain situation where this file is needed:
 // - FreeRTOSConfig.h to set up correct clock and NVIC interrupts for ARM Cortex
 // - SWO logging for Cortex M with ITM_SendChar() / ITM_ReceiveChar()
@@ -146,6 +146,9 @@
 #elif CFG_TUSB_MCU == OPT_MCU_TM4C123
   #include "TM4C123.h"
 
+#elif TU_CHECK_MCU(OPT_MCU_BCM2711, OPT_MCU_BCM2835, OPT_MCU_BCM2837)
+  // no header needed
+
 #else
   #error "Missing MCU header"
 #endif
diff --git a/hw/bsp/raspberrypi4/boards/raspberrypi_cm4/board.h b/hw/bsp/broadcom_32bit/boards/raspberrypi_zero_w/board.h
index 1d3565d5c..1d3565d5c 100644
--- a/hw/bsp/raspberrypi4/boards/raspberrypi_cm4/board.h
+++ b/hw/bsp/broadcom_32bit/boards/raspberrypi_zero_w/board.h
diff --git a/hw/bsp/broadcom_32bit/boards/raspberrypi_zero_w/board.mk b/hw/bsp/broadcom_32bit/boards/raspberrypi_zero_w/board.mk
new file mode 100644
index 000000000..52e9e45c4
--- /dev/null
+++ b/hw/bsp/broadcom_32bit/boards/raspberrypi_zero_w/board.mk
@@ -0,0 +1,5 @@
+CFLAGS += -mcpu=arm1176jzf-s \
+          -DBCM_VERSION=2835 \
+          -DCFG_TUSB_MCU=OPT_MCU_BCM2835
+
+SUFFIX = 
diff --git a/hw/bsp/raspberrypi4/family.c b/hw/bsp/broadcom_32bit/family.c
index ba0b2700a..f7a11fb49 100644
--- a/hw/bsp/raspberrypi4/family.c
+++ b/hw/bsp/broadcom_32bit/family.c
@@ -27,8 +27,9 @@
 #include "bsp/board.h"
 #include "board.h"
 
+#include "broadcom/cpu.h"
+#include "broadcom/gpio.h"
 #include "broadcom/interrupts.h"
-#include "broadcom/io.h"
 #include "broadcom/mmu.h"
 #include "broadcom/caches.h"
 #include "broadcom/vcmailbox.h"
@@ -37,9 +38,8 @@
 #define LED_PIN               18
 #define LED_STATE_ON          1
 
-// Button
-#define BUTTON_PIN            16
-#define BUTTON_STATE_ACTIVE   0
+// UART TX
+#define UART_TX_PIN           14
 
 //--------------------------------------------------------------------+
 // Forward USB interrupt events to TinyUSB IRQ Handler
@@ -62,14 +62,26 @@ void board_init(void)
   init_caches();
 
   // LED
-  gpio_initOutputPinWithPullNone(LED_PIN);
+  gpio_set_function(LED_PIN, GPIO_FUNCTION_OUTPUT);
+  gpio_set_pull(LED_PIN, BP_PULL_NONE);
   board_led_write(true);
 
-  // Button
-  // TODO
-
   // Uart
-  uart_init();
+  COMPLETE_MEMORY_READS;
+  AUX->ENABLES_b.UART_1 = true;
+
+  UART1->IER = 0;
+  UART1->CNTL = 0;
+  UART1->LCR_b.DATA_SIZE = UART1_LCR_DATA_SIZE_MODE_8BIT;
+  UART1->MCR = 0;
+  UART1->IER = 0;
+
+  uint32_t source_clock = vcmailbox_get_clock_rate_measured(VCMAILBOX_CLOCK_CORE);
+  UART1->BAUD = ((source_clock / (115200 * 8)) - 1);
+  UART1->CNTL |= UART1_CNTL_TX_ENABLE_Msk;
+  COMPLETE_MEMORY_READS;
+
+  gpio_set_function(UART_TX_PIN, GPIO_FUNCTION_ALT5);
 
   // Turn on USB peripheral.
   vcmailbox_set_power_state(VCMAILBOX_DEVICE_USB_HCD, true);
@@ -87,7 +99,7 @@ void board_init(void)
 
 void board_led_write(bool state)
 {
-  gpio_setPinOutputBool(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+  gpio_set_value(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
 }
 
 uint32_t board_button_read(void)
diff --git a/hw/bsp/broadcom_32bit/family.mk b/hw/bsp/broadcom_32bit/family.mk
new file mode 100644
index 000000000..98744c5d0
--- /dev/null
+++ b/hw/bsp/broadcom_32bit/family.mk
@@ -0,0 +1,46 @@
+MCU_DIR = hw/mcu/broadcom
+DEPS_SUBMODULES += $(MCU_DIR)
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+	-Wall \
+	-O0 \
+	-ffreestanding \
+	-nostdlib \
+	-nostartfiles \
+	-mgeneral-regs-only \
+	-fno-exceptions \
+	-std=c17
+
+CROSS_COMPILE = arm-none-eabi-
+
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=cast-qual
+
+SRC_C += \
+	src/portable/synopsys/dwc2/dcd_dwc2.c \
+	$(MCU_DIR)/broadcom/gen/interrupt_handlers.c \
+	$(MCU_DIR)/broadcom/gpio.c \
+	$(MCU_DIR)/broadcom/interrupts.c \
+	$(MCU_DIR)/broadcom/mmu.c \
+	$(MCU_DIR)/broadcom/caches.c \
+	$(MCU_DIR)/broadcom/vcmailbox.c
+
+SKIP_NANOLIB = 1
+
+LD_FILE = $(MCU_DIR)/broadcom/link$(SUFFIX).ld
+
+INC += \
+	$(TOP)/$(BOARD_PATH) \
+	$(TOP)/$(MCU_DIR)
+
+SRC_S += $(MCU_DIR)/broadcom/boot$(SUFFIX).S
+
+$(BUILD)/kernel$(SUFFIX).img: $(BUILD)/$(PROJECT).elf
+	$(OBJCOPY) -O binary $^ $@
+
+# Copy to kernel to netboot drive or SD card
+# Change destinaation to fit your need
+flash: $(BUILD)/kernel$(SUFFIX).img
+	@$(CP) $< /home/$(USER)/Documents/code/pi_tinyusb/boot_cpy
diff --git a/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.h b/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.h
new file mode 100644
index 000000000..1d3565d5c
--- /dev/null
+++ b/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.h
@@ -0,0 +1,38 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.mk b/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.mk
new file mode 100644
index 000000000..5706b8318
--- /dev/null
+++ b/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.mk
@@ -0,0 +1,3 @@
+CFLAGS += -mcpu=cortex-a72 \
+          -DBCM_VERSION=2711 \
+          -DCFG_TUSB_MCU=OPT_MCU_BCM2711
diff --git a/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2w/board.h b/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2w/board.h
new file mode 100644
index 000000000..1d3565d5c
--- /dev/null
+++ b/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2w/board.h
@@ -0,0 +1,38 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2w/board.mk b/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2w/board.mk
new file mode 100644
index 000000000..3060b0571
--- /dev/null
+++ b/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2w/board.mk
@@ -0,0 +1,3 @@
+CFLAGS += -mcpu=cortex-a53 \
+          -DBCM_VERSION=2837 \
+          -DCFG_TUSB_MCU=OPT_MCU_BCM2837
diff --git a/hw/bsp/broadcom_64bit/family.c b/hw/bsp/broadcom_64bit/family.c
new file mode 100644
index 000000000..f7a11fb49
--- /dev/null
+++ b/hw/bsp/broadcom_64bit/family.c
@@ -0,0 +1,156 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "bsp/board.h"
+#include "board.h"
+
+#include "broadcom/cpu.h"
+#include "broadcom/gpio.h"
+#include "broadcom/interrupts.h"
+#include "broadcom/mmu.h"
+#include "broadcom/caches.h"
+#include "broadcom/vcmailbox.h"
+
+// LED
+#define LED_PIN               18
+#define LED_STATE_ON          1
+
+// UART TX
+#define UART_TX_PIN           14
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+void board_init(void)
+{
+  setup_mmu_flat_map();
+  init_caches();
+
+  // LED
+  gpio_set_function(LED_PIN, GPIO_FUNCTION_OUTPUT);
+  gpio_set_pull(LED_PIN, BP_PULL_NONE);
+  board_led_write(true);
+
+  // Uart
+  COMPLETE_MEMORY_READS;
+  AUX->ENABLES_b.UART_1 = true;
+
+  UART1->IER = 0;
+  UART1->CNTL = 0;
+  UART1->LCR_b.DATA_SIZE = UART1_LCR_DATA_SIZE_MODE_8BIT;
+  UART1->MCR = 0;
+  UART1->IER = 0;
+
+  uint32_t source_clock = vcmailbox_get_clock_rate_measured(VCMAILBOX_CLOCK_CORE);
+  UART1->BAUD = ((source_clock / (115200 * 8)) - 1);
+  UART1->CNTL |= UART1_CNTL_TX_ENABLE_Msk;
+  COMPLETE_MEMORY_READS;
+
+  gpio_set_function(UART_TX_PIN, GPIO_FUNCTION_ALT5);
+
+  // Turn on USB peripheral.
+  vcmailbox_set_power_state(VCMAILBOX_DEVICE_USB_HCD, true);
+
+  // Timer 1/1024 second tick
+  SYSTMR->CS_b.M1 = 1;
+  SYSTMR->C1 = SYSTMR->CLO + 977;
+  BP_EnableIRQ(TIMER_1_IRQn);
+
+  BP_SetPriority(USB_IRQn, 0x00);
+  BP_ClearPendingIRQ(USB_IRQn);
+  BP_EnableIRQ(USB_IRQn);
+  BP_EnableIRQs();
+}
+
+void board_led_write(bool state)
+{
+  gpio_set_value(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+}
+
+uint32_t board_button_read(void)
+{
+  return 0;
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  (void) buf; (void) len;
+  return 0;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  for (int i = 0; i < len; i++) {
+    const char* cbuf = buf;
+    while (!UART1->STAT_b.TX_READY) {}
+    if (cbuf[i] == '\n') {
+      UART1->IO = '\r';
+      while (!UART1->STAT_b.TX_READY) {}
+    }
+    UART1->IO = cbuf[i];
+  }
+  return len;
+}
+
+#if CFG_TUSB_OS  == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+
+void TIMER_1_IRQHandler(void)
+{
+  system_ticks++;
+  SYSTMR->C1 += 977;
+  SYSTMR->CS_b.M1 = 1;
+}
+
+uint32_t board_millis(void)
+{
+  return system_ticks;
+}
+#endif
+
+void HardFault_Handler (void)
+{
+  // asm("bkpt");
+}
+
+// Required by __libc_init_array in startup code if we are compiling using
+// -nostdlib/-nostartfiles.
+void _init(void)
+{
+
+}
diff --git a/hw/bsp/raspberrypi4/family.mk b/hw/bsp/broadcom_64bit/family.mk
index c65070a71..723926734 100644
--- a/hw/bsp/raspberrypi4/family.mk
+++ b/hw/bsp/broadcom_64bit/family.mk
@@ -3,18 +3,16 @@ DEPS_SUBMODULES += $(MCU_DIR)
 
 include $(TOP)/$(BOARD_PATH)/board.mk
 
-CC = clang
-
 CFLAGS += \
-	-mcpu=cortex-a72 \
 	-Wall \
 	-O0 \
 	-ffreestanding \
 	-nostdlib \
 	-nostartfiles \
-	-std=c17 \
 	-mgeneral-regs-only \
-	-DCFG_TUSB_MCU=OPT_MCU_BCM2711
+	-std=c17
+
+CROSS_COMPILE = aarch64-none-elf-
 
 # mcu driver cause following warnings
 CFLAGS += -Wno-error=cast-qual
@@ -22,25 +20,22 @@ CFLAGS += -Wno-error=cast-qual
 SRC_C += \
 	src/portable/synopsys/dwc2/dcd_dwc2.c \
 	$(MCU_DIR)/broadcom/gen/interrupt_handlers.c \
+	$(MCU_DIR)/broadcom/gpio.c \
 	$(MCU_DIR)/broadcom/interrupts.c \
-	$(MCU_DIR)/broadcom/io.c \
 	$(MCU_DIR)/broadcom/mmu.c \
 	$(MCU_DIR)/broadcom/caches.c \
 	$(MCU_DIR)/broadcom/vcmailbox.c
 
-
-CROSS_COMPILE = aarch64-none-elf-
-
 SKIP_NANOLIB = 1
 
-LD_FILE = $(MCU_DIR)/broadcom/link.ld
+LD_FILE = $(MCU_DIR)/broadcom/link8.ld
 
 INC += \
 	$(TOP)/$(BOARD_PATH) \
 	$(TOP)/$(MCU_DIR) \
 	$(TOP)/lib/CMSIS_5/CMSIS/Core_A/Include
 
-SRC_S += $(MCU_DIR)/broadcom/boot.S
+SRC_S += $(MCU_DIR)/broadcom/boot8.S
 
 $(BUILD)/kernel8.img: $(BUILD)/$(PROJECT).elf
 	$(OBJCOPY) -O binary $^ $@
@@ -48,4 +43,4 @@ $(BUILD)/kernel8.img: $(BUILD)/$(PROJECT).elf
 # Copy to kernel to netboot drive or SD card
 # Change destinaation to fit your need
 flash: $(BUILD)/kernel8.img
-	$(CP) $< /home/$(USER)/Documents/code/pi4_tinyusb/boot_cpy
+	@$(CP) $< /home/$(USER)/Documents/code/pi_tinyusb/boot_cpy
diff --git a/hw/bsp/esp32s2/boards/esp32s2.c b/hw/bsp/esp32s2/boards/esp32s2.c
index 358c0c803..a81181672 100644
--- a/hw/bsp/esp32s2/boards/esp32s2.c
+++ b/hw/bsp/esp32s2/boards/esp32s2.c
@@ -70,7 +70,7 @@ void board_init(void)
 #endif
 
   // Button
-  gpio_pad_select_gpio(BUTTON_PIN);
+  esp_rom_gpio_pad_select_gpio(BUTTON_PIN);
   gpio_set_direction(BUTTON_PIN, GPIO_MODE_INPUT);
   gpio_set_pull_mode(BUTTON_PIN, BUTTON_STATE_ACTIVE ? GPIO_PULLDOWN_ONLY : GPIO_PULLUP_ONLY);
 
@@ -98,7 +98,12 @@ static void configure_pins(usb_hal_context_t *usb)
         esp_rom_gpio_connect_out_signal(iopin->pin, iopin->func, false, false);
       } else {
         esp_rom_gpio_connect_in_signal(iopin->pin, iopin->func, false);
-        if ((iopin->pin != GPIO_FUNC_IN_LOW) && (iopin->pin != GPIO_FUNC_IN_HIGH)) {
+#if ESP_IDF_VERSION_MAJOR > 4
+        if ((iopin->pin != GPIO_MATRIX_CONST_ZERO_INPUT) && (iopin->pin != GPIO_MATRIX_CONST_ONE_INPUT))
+#else
+        if ((iopin->pin != GPIO_FUNC_IN_LOW) && (iopin->pin != GPIO_FUNC_IN_HIGH))
+#endif
+        {
           gpio_ll_input_enable(&GPIO, iopin->pin);
         }
       }
diff --git a/hw/bsp/esp32s3/boards/esp32s3.c b/hw/bsp/esp32s3/boards/esp32s3.c
index 358c0c803..a81181672 100644
--- a/hw/bsp/esp32s3/boards/esp32s3.c
+++ b/hw/bsp/esp32s3/boards/esp32s3.c
@@ -70,7 +70,7 @@ void board_init(void)
 #endif
 
   // Button
-  gpio_pad_select_gpio(BUTTON_PIN);
+  esp_rom_gpio_pad_select_gpio(BUTTON_PIN);
   gpio_set_direction(BUTTON_PIN, GPIO_MODE_INPUT);
   gpio_set_pull_mode(BUTTON_PIN, BUTTON_STATE_ACTIVE ? GPIO_PULLDOWN_ONLY : GPIO_PULLUP_ONLY);
 
@@ -98,7 +98,12 @@ static void configure_pins(usb_hal_context_t *usb)
         esp_rom_gpio_connect_out_signal(iopin->pin, iopin->func, false, false);
       } else {
         esp_rom_gpio_connect_in_signal(iopin->pin, iopin->func, false);
-        if ((iopin->pin != GPIO_FUNC_IN_LOW) && (iopin->pin != GPIO_FUNC_IN_HIGH)) {
+#if ESP_IDF_VERSION_MAJOR > 4
+        if ((iopin->pin != GPIO_MATRIX_CONST_ZERO_INPUT) && (iopin->pin != GPIO_MATRIX_CONST_ONE_INPUT))
+#else
+        if ((iopin->pin != GPIO_FUNC_IN_LOW) && (iopin->pin != GPIO_FUNC_IN_HIGH))
+#endif
+        {
           gpio_ll_input_enable(&GPIO, iopin->pin);
         }
       }
diff --git a/hw/bsp/esp32s3/boards/espressif_addax_1/board.cmake b/hw/bsp/esp32s3/boards/espressif_addax_1/board.cmake
index 60f7d19ca..8996ff9dc 100644
--- a/hw/bsp/esp32s3/boards/espressif_addax_1/board.cmake
+++ b/hw/bsp/esp32s3/boards/espressif_addax_1/board.cmake
@@ -1,16 +1,6 @@
 # Apply board specific content here
 target_include_directories(${COMPONENT_LIB} PRIVATE .)
 
-idf_build_get_property(idf_target IDF_TARGET)
-
-message(STATUS "Apply ${BOARD}(${idf_target}) specific options for component: ${COMPONENT_TARGET}")
-
-if(NOT ${idf_target} STREQUAL "esp32s3")
-    message(FATAL_ERROR "Incorrect target for board ${BOARD}: (${idf_target}), try to clean the build first." )
-endif()
-
-set(IDF_TARGET "esp32s3" FORCE)
-
 target_compile_options(${COMPONENT_TARGET} PUBLIC
   "-DCFG_TUSB_MCU=OPT_MCU_ESP32S3"
   "-DCFG_TUSB_OS=OPT_OS_FREERTOS"
diff --git a/hw/bsp/esp32s3/boards/espressif_s3_devkitc/board.cmake b/hw/bsp/esp32s3/boards/espressif_s3_devkitc/board.cmake
new file mode 100644
index 000000000..8996ff9dc
--- /dev/null
+++ b/hw/bsp/esp32s3/boards/espressif_s3_devkitc/board.cmake
@@ -0,0 +1,7 @@
+# Apply board specific content here
+target_include_directories(${COMPONENT_LIB} PRIVATE .)
+
+target_compile_options(${COMPONENT_TARGET} PUBLIC
+  "-DCFG_TUSB_MCU=OPT_MCU_ESP32S3"
+  "-DCFG_TUSB_OS=OPT_OS_FREERTOS"
+)
\ No newline at end of file
diff --git a/hw/bsp/esp32s3/boards/espressif_s3_devkitc/board.h b/hw/bsp/esp32s3/boards/espressif_s3_devkitc/board.h
new file mode 100644
index 000000000..c7940c56e
--- /dev/null
+++ b/hw/bsp/esp32s3/boards/espressif_s3_devkitc/board.h
@@ -0,0 +1,43 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define NEOPIXEL_PIN          48
+
+#define BUTTON_PIN            0
+#define BUTTON_STATE_ACTIVE   0
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/esp32s3/boards/espressif_s3_devkitm/board.cmake b/hw/bsp/esp32s3/boards/espressif_s3_devkitm/board.cmake
new file mode 100644
index 000000000..8996ff9dc
--- /dev/null
+++ b/hw/bsp/esp32s3/boards/espressif_s3_devkitm/board.cmake
@@ -0,0 +1,7 @@
+# Apply board specific content here
+target_include_directories(${COMPONENT_LIB} PRIVATE .)
+
+target_compile_options(${COMPONENT_TARGET} PUBLIC
+  "-DCFG_TUSB_MCU=OPT_MCU_ESP32S3"
+  "-DCFG_TUSB_OS=OPT_OS_FREERTOS"
+)
\ No newline at end of file
diff --git a/hw/bsp/esp32s3/boards/espressif_s3_devkitm/board.h b/hw/bsp/esp32s3/boards/espressif_s3_devkitm/board.h
new file mode 100644
index 000000000..c7940c56e
--- /dev/null
+++ b/hw/bsp/esp32s3/boards/espressif_s3_devkitm/board.h
@@ -0,0 +1,43 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define NEOPIXEL_PIN          48
+
+#define BUTTON_PIN            0
+#define BUTTON_STATE_ACTIVE   0
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/kuiic/K32L2B31xxxxA_flash.ld b/hw/bsp/kuiic/K32L2B31xxxxA_flash.ld
new file mode 100644
index 000000000..5420ffc00
--- /dev/null
+++ b/hw/bsp/kuiic/K32L2B31xxxxA_flash.ld
@@ -0,0 +1,217 @@
+/*
+** ###################################################################
+**     Processors:          K32L2B31VFM0A
+**                          K32L2B31VFT0A
+**                          K32L2B31VLH0A
+**                          K32L2B31VMP0A
+**
+**     Compiler:            GNU C Compiler
+**     Reference manual:    K32L2B3xRM, Rev.0, July 2019
+**     Version:             rev. 1.0, 2019-07-30
+**     Build:               b190930
+**
+**     Abstract:
+**         Linker file for the GNU C Compiler
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2019 NXP
+**     All rights reserved.
+**
+**     SPDX-License-Identifier: BSD-3-Clause
+**
+**     http:                 www.nxp.com
+**     mail:                 [email protected]
+**
+** ###################################################################
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+HEAP_SIZE  = DEFINED(__heap_size__)  ? __heap_size__  : 0x0400;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
+
+/* Specify the memory areas */
+MEMORY
+{
+  m_interrupts          (RX)  : ORIGIN = 0x00008000, LENGTH = 0x00000200
+  m_flash_config        (RX)  : ORIGIN = 0x00008400, LENGTH = 0x00000010
+  m_text                (RX)  : ORIGIN = 0x00008410, LENGTH = 0x00037BF0
+  m_data                (RW)  : ORIGIN = 0x1FFFE000, LENGTH = 0x00008000
+}
+
+/* Define output sections */
+SECTIONS
+{
+  /* The startup code goes first into internal flash */
+  .interrupts :
+  {
+    . = ALIGN(4);
+    KEEP(*(.isr_vector))     /* Startup code */
+    . = ALIGN(4);
+  } > m_interrupts
+
+  .flash_config :
+  {
+    . = ALIGN(4);
+    KEEP(*(.FlashConfig))    /* Flash Configuration Field (FCF) */
+    . = ALIGN(4);
+  } > m_flash_config
+
+  /* The program code and other data goes into internal flash */
+  .text :
+  {
+    . = ALIGN(4);
+    *(.text)                 /* .text sections (code) */
+    *(.text*)                /* .text* sections (code) */
+    *(.rodata)               /* .rodata sections (constants, strings, etc.) */
+    *(.rodata*)              /* .rodata* sections (constants, strings, etc.) */
+    *(.glue_7)               /* glue arm to thumb code */
+    *(.glue_7t)              /* glue thumb to arm code */
+    *(.eh_frame)
+    KEEP (*(.init))
+    KEEP (*(.fini))
+    . = ALIGN(4);
+  } > m_text
+
+  .ARM.extab :
+  {
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+  } > m_text
+
+  .ARM :
+  {
+    __exidx_start = .;
+    *(.ARM.exidx*)
+    __exidx_end = .;
+  } > m_text
+
+ .ctors :
+  {
+    __CTOR_LIST__ = .;
+    /* 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
+       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))
+    __CTOR_END__ = .;
+  } > m_text
+
+  .dtors :
+  {
+    __DTOR_LIST__ = .;
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*crtbegin?.o(.dtors))
+    KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+    __DTOR_END__ = .;
+  } > m_text
+
+  .preinit_array :
+  {
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array*))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+  } > m_text
+
+  .init_array :
+  {
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array*))
+    PROVIDE_HIDDEN (__init_array_end = .);
+  } > m_text
+
+  .fini_array :
+  {
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(SORT(.fini_array.*)))
+    KEEP (*(.fini_array*))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+  } > m_text
+
+  __etext = .;    /* define a global symbol at end of code */
+  __DATA_ROM = .; /* Symbol is used by startup for data initialization */
+
+  /* reserve MTB memory at the beginning of m_data */
+  .mtb : /* MTB buffer address as defined by the hardware */
+  {
+    . = ALIGN(8);
+    _mtb_start = .;
+    KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */
+    . = ALIGN(8);
+    _mtb_end = .;
+  } > m_data
+
+  .data : AT(__DATA_ROM)
+  {
+    . = ALIGN(4);
+    __DATA_RAM = .;
+    __data_start__ = .;      /* create a global symbol at data start */
+    *(.data)                 /* .data sections */
+    *(.data*)                /* .data* sections */
+    KEEP(*(.jcr*))
+    . = ALIGN(4);
+    __data_end__ = .;        /* define a global symbol at data end */
+  } > m_data
+
+  __DATA_END = __DATA_ROM + (__data_end__ - __data_start__);
+  text_end = ORIGIN(m_text) + LENGTH(m_text);
+  ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data")
+
+  /* Uninitialized data section */
+  .bss :
+  {
+    /* This is used by the startup in order to initialize the .bss section */
+    . = ALIGN(4);
+    __START_BSS = .;
+    __bss_start__ = .;
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+    . = ALIGN(4);
+    __bss_end__ = .;
+    __END_BSS = .;
+  } > m_data
+
+  .heap :
+  {
+    . = ALIGN(8);
+    __end__ = .;
+    PROVIDE(end = .);
+    __HeapBase = .;
+    . += HEAP_SIZE;
+    __HeapLimit = .;
+    __heap_limit = .; /* Add for _sbrk */
+  } > m_data
+
+  .stack :
+  {
+    . = ALIGN(8);
+    . += STACK_SIZE;
+  } > m_data
+
+  /* Initializes stack on the end of block */
+  __StackTop   = ORIGIN(m_data) + LENGTH(m_data);
+  __StackLimit = __StackTop - STACK_SIZE;
+  PROVIDE(__stack = __StackTop);
+
+  .ARM.attributes 0 : { *(.ARM.attributes) }
+
+  ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap")
+}
+
diff --git a/hw/bsp/kuiic/board.h b/hw/bsp/kuiic/board.h
new file mode 100644
index 000000000..78ad83a2e
--- /dev/null
+++ b/hw/bsp/kuiic/board.h
@@ -0,0 +1,45 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#include "fsl_device_registers.h"
+
+// LED
+#define LED_PIN_CLOCK         kCLOCK_PortA
+#define LED_GPIO              GPIOA
+#define LED_PORT              PORTA
+#define LED_PIN               2
+#define LED_STATE_ON          1
+
+// UART
+#define UART_PORT             LPUART1
+#define UART_PIN_RX           3u
+#define UART_PIN_TX           0u
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/kuiic/board.mk b/hw/bsp/kuiic/board.mk
new file mode 100644
index 000000000..39e9d9deb
--- /dev/null
+++ b/hw/bsp/kuiic/board.mk
@@ -0,0 +1,52 @@
+SDK_DIR = hw/mcu/nxp/mcux-sdk
+DEPS_SUBMODULES += $(SDK_DIR) tools/uf2
+
+# This board uses TinyUF2 for updates
+UF2_FAMILY_ID = 0x7f83e793
+
+CFLAGS += \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m0plus \
+  -DCPU_K32L2B31VLH0A \
+  -DCFG_TUSB_MCU=OPT_MCU_K32L2BXX
+
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter
+
+MCU_DIR = $(SDK_DIR)/devices/K32L2B31A
+
+# All source paths should be relative to the top level.
+LD_FILE = /hw/bsp/$(BOARD)/K32L2B31xxxxA_flash.ld
+
+SRC_C += \
+	src/portable/nxp/khci/dcd_khci.c \
+	$(MCU_DIR)/system_K32L2B31A.c \
+	$(MCU_DIR)/drivers/fsl_clock.c \
+	$(SDK_DIR)/drivers/gpio/fsl_gpio.c \
+	$(SDK_DIR)/drivers/lpuart/fsl_lpuart.c
+
+INC += \
+	$(TOP)/hw/bsp/$(BOARD) \
+	$(TOP)/$(SDK_DIR)/CMSIS/Include \
+	$(TOP)/$(SDK_DIR)/drivers/smc \
+	$(TOP)/$(SDK_DIR)/drivers/common \
+	$(TOP)/$(SDK_DIR)/drivers/gpio \
+	$(TOP)/$(SDK_DIR)/drivers/port \
+	$(TOP)/$(SDK_DIR)/drivers/lpuart \
+	$(TOP)/$(MCU_DIR) \
+	$(TOP)/$(MCU_DIR)/drivers 
+
+SRC_S += $(MCU_DIR)/gcc/startup_K32L2B31A.S
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM0
+
+# For flash-jlink target
+JLINK_DEVICE = MKL25Z128xxx4
+
+# For flash-pyocd target
+PYOCD_TARGET = K32L2B
+
+# flash using pyocd
+flash: flash-pyocd
diff --git a/hw/bsp/kuiic/kuiic.c b/hw/bsp/kuiic/kuiic.c
new file mode 100644
index 000000000..737ef3f5c
--- /dev/null
+++ b/hw/bsp/kuiic/kuiic.c
@@ -0,0 +1,203 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018, hathach (tinyusb.org)
+ * Copyright (c) 2020, Koji Kitayama
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "../board.h"
+#include "board.h"
+#include "fsl_smc.h"
+#include "fsl_gpio.h"
+#include "fsl_port.h"
+#include "fsl_clock.h"
+#include "fsl_lpuart.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+#define SIM_OSC32KSEL_LPO_CLK         3U        /*!< OSC32KSEL select: LPO clock */
+#define SOPT5_LPUART1RXSRC_LPUART_RX  0x00u     /*!<@brief LPUART1 Receive Data Source Select: LPUART_RX pin */
+#define SOPT5_LPUART1TXSRC_LPUART_TX  0x00u     /*!<@brief LPUART1 Transmit Data Source Select: LPUART_TX pin */
+#define BOARD_BOOTCLOCKRUN_CORE_CLOCK 48000000U /*!< Core clock frequency: 48000000Hz */
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+/* System clock frequency. */
+extern uint32_t SystemCoreClock;
+
+/*******************************************************************************
+ * Variables for BOARD_BootClockRUN configuration
+ ******************************************************************************/
+const mcglite_config_t mcgliteConfig_BOARD_BootClockRUN = {
+    .outSrc          = kMCGLITE_ClkSrcHirc,  /* MCGOUTCLK source is HIRC */
+    .irclkEnableMode = kMCGLITE_IrclkEnable, /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
+    .ircs            = kMCGLITE_Lirc8M,      /* Slow internal reference (LIRC) 8 MHz clock selected */
+    .fcrdiv          = kMCGLITE_LircDivBy1,  /* Low-frequency Internal Reference Clock Divider: divided by 1 */
+    .lircDiv2        = kMCGLITE_LircDivBy1,  /* Second Low-frequency Internal Reference Clock Divider: divided by 1 */
+    .hircEnableInNotHircMode = true,         /* HIRC source is enabled */
+};
+const sim_clock_config_t simConfig_BOARD_BootClockRUN = {
+    .er32kSrc = SIM_OSC32KSEL_LPO_CLK,       /* OSC32KSEL select: LPO clock */
+    .clkdiv1  = 0x10000U,                    /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV4: /2 */
+};
+
+/*******************************************************************************
+ * Code for BOARD_BootClockRUN configuration
+ ******************************************************************************/
+void BOARD_BootClockRUN(void)
+{
+    /* Set the system clock dividers in SIM to safe value. */
+    CLOCK_SetSimSafeDivs();
+    /* Set MCG to HIRC mode. */
+    CLOCK_SetMcgliteConfig(&mcgliteConfig_BOARD_BootClockRUN);
+    /* Set the clock configuration in SIM module. */
+    CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN);
+    /* Set SystemCoreClock variable. */
+    SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
+}
+
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB0_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+void board_init(void)
+{
+  /* Enable port clocks for GPIO pins */
+  CLOCK_EnableClock(kCLOCK_PortA);
+  CLOCK_EnableClock(kCLOCK_PortB);
+  CLOCK_EnableClock(kCLOCK_PortC);
+  CLOCK_EnableClock(kCLOCK_PortD);
+  CLOCK_EnableClock(kCLOCK_PortE);
+
+  
+  gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 1 };
+  GPIO_PinInit(GPIOA, 1U, &led_config);
+  PORT_SetPinMux(PORTA, 1U, kPORT_MuxAsGpio);  
+  led_config.outputLogic = 0;
+  GPIO_PinInit(GPIOA, 2U, &led_config);
+  PORT_SetPinMux(PORTA, 2U, kPORT_MuxAsGpio);
+
+#ifdef BUTTON_PIN
+  gpio_pin_config_t button_config = { kGPIO_DigitalInput, 0 };
+  GPIO_PinInit(BUTTON_GPIO, BUTTON_PIN, &button_config);
+  const port_pin_config_t BUTTON_CFG = {
+    kPORT_PullUp, 
+    kPORT_FastSlewRate, 
+    kPORT_PassiveFilterDisable, 
+    kPORT_LowDriveStrength, 
+    kPORT_MuxAsGpio
+  };
+  PORT_SetPinConfig(BUTTON_PORT, BUTTON_PIN, &BUTTON_CFG);
+#endif
+
+  /* PORTC3 is configured as LPUART0_RX */
+  PORT_SetPinMux(PORTC, 3U, kPORT_MuxAlt3);
+  /* PORTA2 (pin 24) is configured as LPUART0_TX */
+  PORT_SetPinMux(PORTE, 0U, kPORT_MuxAlt3);
+  
+  SIM->SOPT5 = ((SIM->SOPT5 &
+               /* Mask bits to zero which are setting */
+               (~(SIM_SOPT5_LPUART1TXSRC_MASK | SIM_SOPT5_LPUART1RXSRC_MASK)))
+               /* LPUART0 Transmit Data Source Select: LPUART0_TX pin. */
+               | SIM_SOPT5_LPUART1TXSRC(SOPT5_LPUART1TXSRC_LPUART_TX)
+               /* LPUART0 Receive Data Source Select: LPUART_RX pin. */
+               | SIM_SOPT5_LPUART1RXSRC(SOPT5_LPUART1RXSRC_LPUART_RX));
+
+  BOARD_BootClockRUN();
+  SystemCoreClockUpdate();
+  CLOCK_SetLpuart1Clock(1);
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
+
+  lpuart_config_t uart_config;
+  LPUART_GetDefaultConfig(&uart_config);
+  uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
+  uart_config.enableTx = true;
+  uart_config.enableRx = true;
+  LPUART_Init(UART_PORT, &uart_config, CLOCK_GetFreq(kCLOCK_McgIrc48MClk));
+
+  // USB
+  CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, 48000000U);
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  if (state) {
+    LED_GPIO->PDDR |= GPIO_FIT_REG((1UL << LED_PIN));
+  } else {
+    LED_GPIO->PDDR &= GPIO_FIT_REG(~(1UL << LED_PIN));
+  }
+//  GPIO_PinWrite(GPIOA, 1, state ? LED_STATE_ON : (1-LED_STATE_ON) );
+//  GPIO_PinWrite(GPIOA, 2, state ? (1-LED_STATE_ON) : LED_STATE_ON );
+}
+
+uint32_t board_button_read(void)
+{
+#ifdef BUTTON_PIN
+  return BUTTON_STATE_ACTIVE == GPIO_PinRead(BUTTON_GPIO, BUTTON_PIN);
+#else
+  return 0;
+#endif
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  LPUART_ReadBlocking(UART_PORT, buf, len);
+  return len;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  LPUART_WriteBlocking(UART_PORT, (uint8_t const*) buf, len);
+  return len;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler(void)
+{
+  system_ticks++;
+}
+
+uint32_t board_millis(void)
+{
+  return system_ticks;
+}
+#endif
diff --git a/hw/bsp/pic32mz/boards/olimex_emz64/board.mk b/hw/bsp/pic32mz/boards/olimex_emz64/board.mk
new file mode 100644
index 000000000..3df5ed92b
--- /dev/null
+++ b/hw/bsp/pic32mz/boards/olimex_emz64/board.mk
@@ -0,0 +1,5 @@
+JLINK_DEVICE=PIC32MZ2048EFH064
+JLINK_IF=ICSP
+
+CFLAGS += \
+  -mprocessor=32MZ2048EFH064 \
diff --git a/hw/bsp/pic32mz/boards/olimex_emz64/olimex_emz64.c b/hw/bsp/pic32mz/boards/olimex_emz64/olimex_emz64.c
new file mode 100644
index 000000000..0f6dc37e2
--- /dev/null
+++ b/hw/bsp/pic32mz/boards/olimex_emz64/olimex_emz64.c
@@ -0,0 +1,144 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Jerzy Kasenberg
+ *
+ * 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>
+#include <stdbool.h>
+#include <xc.h>
+#include "tusb.h"
+
+/* JTAG on, WDT off */
+#pragma config FDMTEN=0, FSOSCEN=0, DMTCNT=1
+#pragma config DEBUG=ON
+#pragma config JTAGEN=ON
+#pragma config FSLEEP=OFF
+#pragma config TRCEN=OFF
+#pragma config ICESEL=ICS_PGx2
+
+#pragma config POSCMOD = EC
+#pragma config FNOSC = SPLL
+/* 24MHz posc input to pll, div by 3, multiply by 50, div by 2 -> 200mhz*/
+#pragma config FPLLICLK=0, FPLLIDIV=DIV_3, FPLLRNG=RANGE_5_10_MHZ, FPLLMULT=MUL_50, FPLLODIV=DIV_2
+#pragma config FUSBIDIO=1
+#pragma config WINDIS=NORMAL
+#pragma config WDTSPGM=1
+#pragma config WDTPS=15
+#pragma config FWDTEN=OFF
+
+void button_init(void)
+{
+  // RB12 - button
+  // ANSELB B12 not analog
+  ANSELBCLR = TU_BIT(12);
+  // TRISB B12 input
+  TRISBSET = TU_BIT(12);
+  // Pull-up
+  CNPUBSET = TU_BIT(12);
+}
+
+void led_init(void)
+{
+  // RB8 - LED
+  // ANASELB RB8 not analog
+  ANSELBCLR = TU_BIT(8);
+  // TRISH RH2 input
+  TRISBCLR = TU_BIT(8);
+  // Initial value 0, LED off
+  LATBCLR = TU_BIT(8);
+}
+
+void uart_init(void)
+{
+  // RD4/RD0 Uart4 TX/RX
+  // ANSELD - not present on 64 pin device
+
+  /* Unlock system for PPS configuration */
+  SYSKEY = 0x00000000;
+  SYSKEY = 0xAA996655;
+  SYSKEY = 0x556699AA;
+  CFGCONbits.IOLOCK = 0;
+
+  // PPS Input Remapping
+  // U4RX -> RD0
+  U4RXR = 3;
+
+  // PPS Output Remapping
+  // RD4 -> U4TX
+  RPD4R = 2;
+
+  // Lock back the system after PPS configuration
+  CFGCONbits.IOLOCK = 1;
+  SYSKEY = 0x00000000;
+
+  // UART4
+  // High speed mode
+  // 8 bits, no parity, no RTS/CTS, no flow control
+  U4MODE = 0x0;
+
+  // Enable UART2 Receiver and Transmitter
+  U4STASET = (_U4STA_UTXEN_MASK | _U4STA_URXEN_MASK | _U4STA_UTXISEL1_MASK);
+
+  // BAUD Rate register Setup
+  U4BRG = 100000000 / (16 * 115200) + 1;
+
+  // Disable Interrupts
+  IEC4CLR = _IEC5_U4EIE_MASK | _IEC5_U4RXIE_MASK | _IEC5_U4TXIE_MASK;
+
+  // Turn ON UART2
+  U4MODESET = _U4MODE_ON_MASK;
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  if (state)
+  {
+    LATBSET = TU_BIT(8);
+  }
+  else
+  {
+    LATBCLR = TU_BIT(8);
+  }
+}
+
+uint32_t board_button_read(void)
+{
+  return (PORTB >> 12) & 1;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  int i = len;
+  uint8_t const * data = buf;
+  while (i--)
+  {
+    while (U4STAbits.UTXBF) ;
+    U4TXREG = *data++;
+  }
+  return len;
+}
diff --git a/hw/bsp/pic32mz/boards/olimex_hmz144/board.mk b/hw/bsp/pic32mz/boards/olimex_hmz144/board.mk
new file mode 100644
index 000000000..a43b62d32
--- /dev/null
+++ b/hw/bsp/pic32mz/boards/olimex_hmz144/board.mk
@@ -0,0 +1,5 @@
+JLINK_DEVICE=PIC32MZ2048EFM144
+JLINK_IF=ICSP
+
+CFLAGS += \
+  -mprocessor=32MZ2048EFM144 \
diff --git a/hw/bsp/pic32mz/boards/olimex_hmz144/olimex_hmz144.c b/hw/bsp/pic32mz/boards/olimex_hmz144/olimex_hmz144.c
new file mode 100644
index 000000000..4ecbe75a1
--- /dev/null
+++ b/hw/bsp/pic32mz/boards/olimex_hmz144/olimex_hmz144.c
@@ -0,0 +1,142 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Jerzy Kasenberg
+ *
+ * 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>
+#include <stdbool.h>
+#include <xc.h>
+#include "tusb.h"
+
+/* JTAG on, WDT off */
+#pragma config FDMTEN=0, FSOSCEN=0, DMTCNT=1
+#pragma config DEBUG=ON
+#pragma config JTAGEN=ON
+#pragma config FSLEEP=OFF
+#pragma config TRCEN=OFF
+#pragma config ICESEL=ICS_PGx2
+
+#pragma config POSCMOD = HS
+#pragma config FNOSC = SPLL
+/* 24MHz posc input to pll, div by 3, multiply by 50, div by 2 -> 200mhz*/
+#pragma config FPLLICLK=0, FPLLIDIV=DIV_3, FPLLRNG=RANGE_5_10_MHZ, FPLLMULT=MUL_50, FPLLODIV=DIV_2
+#pragma config FUSBIDIO=1
+#pragma config WINDIS=NORMAL
+#pragma config WDTSPGM=1
+#pragma config WDTPS=15
+#pragma config FWDTEN=OFF
+
+void button_init(void)
+{
+  // RB12 - button
+  // ANSELB B12 not analog
+  ANSELBCLR = TU_BIT(12);
+  // TRISB B12 input
+  TRISBSET = TU_BIT(12);
+}
+
+void led_init(void)
+{
+  // RH2 - LED
+  // ANASELH no analog function on RH2
+  // TRISH RH2 input
+  TRISHCLR = TU_BIT(2);
+  // Initial value 0, LED off
+  LATHCLR = TU_BIT(2);
+}
+
+void uart_init(void)
+{
+  // RE8/RE9 Uart2 TX/RX
+  // ANSELE - TX/RX not analog
+  ANSELECLR = TU_BIT(8) | TU_BIT(9);
+
+  /* Unlock system for PPS configuration */
+  SYSKEY = 0x00000000;
+  SYSKEY = 0xAA996655;
+  SYSKEY = 0x556699AA;
+  CFGCONbits.IOLOCK = 0;
+
+  // PPS Input Remapping
+  // U2RX -> RE9
+  U2RXR = 13;
+
+  // PPS Output Remapping
+  // RE8 -> U2TX
+  RPE8R = 2;
+
+  // Lock back the system after PPS configuration
+  CFGCONbits.IOLOCK = 1;
+  SYSKEY = 0x00000000;
+
+  // UART2
+  // High speed mode
+  // 8 bits, no parity, no RTS/CTS, no flow control
+  U2MODE = 0x0;
+
+  // Enable UART2 Receiver and Transmitter
+  U2STASET = (_U2STA_UTXEN_MASK | _U2STA_URXEN_MASK | _U2STA_UTXISEL1_MASK);
+
+  // BAUD Rate register Setup
+  U2BRG = 100000000 / (16 * 115200) + 1;
+
+  // Disable Interrupts
+  IEC4CLR = _IEC4_U2EIE_MASK | _IEC4_U2RXIE_MASK | _IEC4_U2TXIE_MASK;
+
+  // Turn ON UART2
+  U2MODESET = _U2MODE_ON_MASK;
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  if (state)
+  {
+    LATHSET = TU_BIT(2);
+  }
+  else
+  {
+    LATHCLR = TU_BIT(2);
+  }
+}
+
+uint32_t board_button_read(void)
+{
+  return (PORTB >> 12) & 1;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  int i = len;
+  uint8_t const * data = buf;
+  while (i--)
+  {
+    while (U2STAbits.UTXBF) ;
+    U2TXREG = *data++;
+  }
+  return len;
+}
diff --git a/hw/bsp/pic32mz/family.c b/hw/bsp/pic32mz/family.c
new file mode 100644
index 000000000..786f04978
--- /dev/null
+++ b/hw/bsp/pic32mz/family.c
@@ -0,0 +1,110 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Jerzy Kasenberg
+ *
+ * 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>
+#include <stdbool.h>
+#include <xc.h>
+#include "tusb.h"
+
+void __attribute__((interrupt(IPL2AUTO), vector(_USB_VECTOR), no_fpu))
+USBD_IRQHandler(void)
+{
+  IFS4CLR = _IFS4_USBIF_MASK;
+  tud_int_handler(0);
+}
+
+TU_ATTR_WEAK void button_init(void)
+{
+}
+
+TU_ATTR_WEAK void led_init(void)
+{
+}
+
+TU_ATTR_WEAK void uart_init(void)
+{
+}
+
+void board_init(void)
+{
+  button_init();
+  led_init();
+  uart_init();
+
+  // Force device mode by overriding USB ID and settings it to 1
+  USBCRCONbits.PHYIDEN = 0;
+  USBCRCONbits.USBIDVAL = 1;
+  USBCRCONbits.USBIDOVEN = 1;
+
+  // set interrupt priority (must much IPL2AUTO)
+  IPC33CLR = _IPC33_USBIP_MASK;
+  IPC33SET = (2 << _IPC33_USBIP_POSITION);
+  // set interrupt subpriority
+  IPC33CLR = _IPC33_USBIS_MASK;
+  IPC33SET = (0 << _IPC33_USBIS_POSITION);
+
+  USBCRCONbits.USBIE = 0;
+  IFS4CLR = _IFS4_USBIF_MASK;
+  IEC4SET = _IEC4_USBIE_MASK;
+
+  __builtin_enable_interrupts();
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+TU_ATTR_WEAK void board_led_write(bool state)
+{
+  (void) state;
+}
+
+TU_ATTR_WEAK uint32_t board_button_read(void)
+{
+  return 0;
+}
+
+TU_ATTR_WEAK int board_uart_read(uint8_t * buf, int len)
+{
+  (void) buf;
+  (void) len;
+
+  return 0;
+}
+
+TU_ATTR_WEAK int board_uart_write(void const * buf, int len)
+{
+  (void) buf;
+  return len;
+}
+
+#if CFG_TUSB_OS  == OPT_OS_NONE
+uint32_t board_millis(void)
+{
+  // COUNTER is system clock (200MHz / 2 = 100MHz) convert to ms)
+  return _CP0_GET_COUNT() / (100000000 / 1000);
+}
+#endif
diff --git a/hw/bsp/pic32mz/family.mk b/hw/bsp/pic32mz/family.mk
new file mode 100644
index 000000000..48e08689f
--- /dev/null
+++ b/hw/bsp/pic32mz/family.mk
@@ -0,0 +1,20 @@
+CROSS_COMPILE = xc32-
+CFLAGS_OPTIMIZED = -O2
+LIBS_GCC = -lgcc -lm
+SKIP_NANOLIB = 1
+
+CFLAGS = \
+  -std=c99 \
+  -DCFG_TUSB_MCU=OPT_MCU_PIC32MZ
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+SRC_C += \
+	src/portable/microchip/pic32mz/dcd_pic32mz.c \
+
+INC += \
+	$(TOP)/hw/mcu/microchip/pic32mz \
+	$(TOP)/$(BOARD_PATH) \
+
+# flash target using jlink
+flash: flash-jlink
diff --git a/hw/bsp/raspberrypi4/boards/raspberrypi_cm4/board.mk b/hw/bsp/raspberrypi4/boards/raspberrypi_cm4/board.mk
deleted file mode 100644
index 897342479..000000000
--- a/hw/bsp/raspberrypi4/boards/raspberrypi_cm4/board.mk
+++ /dev/null
@@ -1 +0,0 @@
-CFLAGS += -DBCM_VERSION=2711
diff --git a/hw/bsp/samd21/boards/curiosity_nano/.skip.device.net_lwip_webserver b/hw/bsp/samd21/boards/curiosity_nano/.skip.device.net_lwip_webserver
deleted file mode 100644
index e69de29bb..000000000
--- a/hw/bsp/samd21/boards/curiosity_nano/.skip.device.net_lwip_webserver
+++ /dev/null
diff --git a/hw/bsp/samd21/family.c b/hw/bsp/samd21/family.c
index cead582e9..494dc393a 100644
--- a/hw/bsp/samd21/family.c
+++ b/hw/bsp/samd21/family.c
@@ -47,7 +47,7 @@ void USB_Handler(void)
 //--------------------------------------------------------------------+
 // UART support
 //--------------------------------------------------------------------+
-void uart_init(void);
+static void uart_init(void);
 
 //--------------------------------------------------------------------+
 // MACRO TYPEDEF CONSTANT ENUM DECLARATION
@@ -152,7 +152,7 @@ uint32_t board_button_read(void)
 #define BOARD_SERCOM2(n)  SERCOM ## n
 #define BOARD_SERCOM(n) BOARD_SERCOM2(n)
 
-void uart_init(void)
+static void uart_init(void)
 {
 #if UART_SERCOM == 0
   gpio_set_pin_function(PIN_PA06, PINMUX_PA06D_SERCOM0_PAD2);
@@ -217,7 +217,7 @@ int board_uart_write(void const * buf, int len)
 }
 
 #else // ! defined(UART_SERCOM)
-void uart_init(void)
+static void uart_init(void)
 {
 
 }
diff --git a/hw/bsp/stm32f4/boards/stm32f439nucleo/STM32F439ZITX_FLASH.ld b/hw/bsp/stm32f4/boards/stm32f439nucleo/STM32F439ZITX_FLASH.ld
new file mode 100644
index 000000000..2dc277c77
--- /dev/null
+++ b/hw/bsp/stm32f4/boards/stm32f439nucleo/STM32F439ZITX_FLASH.ld
@@ -0,0 +1,206 @@
+/*
+******************************************************************************
+**
+** @file        : LinkerScript.ld
+**
+** @author      : Auto-generated by STM32CubeIDE
+**
+**  Abstract    : Linker script for NUCLEO-F439ZI Board embedding STM32F439ZITx Device from stm32f4 series
+**                      2048Kbytes FLASH
+**                      64Kbytes CCMRAM
+**                      192Kbytes 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) + LENGTH(RAM); /* end of "RAM" Ram type memory */
+
+_Min_Heap_Size = 0x200; /* required amount of heap */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
+/* Memories definition */
+MEMORY
+{
+  CCMRAM    (xrw)    : ORIGIN = 0x10000000,   LENGTH = 64K
+  RAM    (xrw)    : ORIGIN = 0x20000000,   LENGTH = 192K
+  FLASH    (rx)    : ORIGIN = 0x8000000,   LENGTH = 2048K
+}
+
+/* Sections */
+SECTIONS
+{
+  /* The startup code into "FLASH" Rom type memory */
+  .isr_vector :
+  {
+    . = ALIGN(4);
+    KEEP(*(.isr_vector)) /* Startup code */
+    . = ALIGN(4);
+  } >FLASH
+
+  /* The program code and other data into "FLASH" Rom type memory */
+  .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 into "FLASH" Rom type memory */
+  .rodata :
+  {
+    . = ALIGN(4);
+    *(.rodata)         /* .rodata sections (constants, strings, etc.) */
+    *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
+    . = ALIGN(4);
+  } >FLASH
+
+  .ARM.extab   : {
+    . = ALIGN(4);
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+    . = ALIGN(4);
+  } >FLASH
+
+  .ARM : {
+    . = ALIGN(4);
+    __exidx_start = .;
+    *(.ARM.exidx*)
+    __exidx_end = .;
+    . = ALIGN(4);
+  } >FLASH
+
+  .preinit_array     :
+  {
+    . = ALIGN(4);
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array*))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+    . = ALIGN(4);
+  } >FLASH
+
+  .init_array :
+  {
+    . = ALIGN(4);
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array*))
+    PROVIDE_HIDDEN (__init_array_end = .);
+    . = ALIGN(4);
+  } >FLASH
+
+  .fini_array :
+  {
+    . = ALIGN(4);
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(SORT(.fini_array.*)))
+    KEEP (*(.fini_array*))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+    . = ALIGN(4);
+  } >FLASH
+
+  /* Used by the startup to initialize data */
+  _sidata = LOADADDR(.data);
+
+  /* Initialized data sections into "RAM" Ram type memory */
+  .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 AT> FLASH
+
+  _siccmram = LOADADDR(.ccmram);
+
+  /* CCM-RAM section
+  *
+  * IMPORTANT NOTE!
+  * If initialized variables will be placed in this section,
+  * the startup code needs to be modified to copy the init-values.
+  */
+  .ccmram :
+  {
+    . = ALIGN(4);
+    _sccmram = .;       /* create a global symbol at ccmram start */
+    *(.ccmram)
+    *(.ccmram*)
+
+    . = ALIGN(4);
+    _eccmram = .;       /* create a global symbol at ccmram end */
+  } >CCMRAM AT> FLASH
+
+  /* Uninitialized data section into "RAM" Ram type memory */
+  . = ALIGN(4);
+  .bss :
+  {
+    /* This is used by the startup in order to initialize the .bss section */
+    _sbss = .;         /* define a global symbol at bss start */
+    __bss_start__ = _sbss;
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+
+    . = ALIGN(4);
+    _ebss = .;         /* define a global symbol at bss end */
+    __bss_end__ = _ebss;
+  } >RAM
+
+  /* User_heap_stack section, used to check that there is enough "RAM" Ram  type memory left */
+  ._user_heap_stack :
+  {
+    . = ALIGN(8);
+    PROVIDE ( end = . );
+    PROVIDE ( _end = . );
+    . = . + _Min_Heap_Size;
+    . = . + _Min_Stack_Size;
+    . = ALIGN(8);
+  } >RAM
+
+  /* Remove information from the compiler libraries */
+  /DISCARD/ :
+  {
+    libc.a ( * )
+    libm.a ( * )
+    libgcc.a ( * )
+  }
+
+  .ARM.attributes 0 : { *(.ARM.attributes) }
+}
diff --git a/hw/bsp/stm32f4/boards/stm32f439nucleo/board.h b/hw/bsp/stm32f4/boards/stm32f439nucleo/board.h
new file mode 100644
index 000000000..e5a822426
--- /dev/null
+++ b/hw/bsp/stm32f4/boards/stm32f439nucleo/board.h
@@ -0,0 +1,108 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+// LED
+#define LED_PORT              GPIOB
+#define LED_PIN               GPIO_PIN_14
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PORT           GPIOC
+#define BUTTON_PIN            GPIO_PIN_13
+#define BUTTON_STATE_ACTIVE   1
+
+// UART Enable for STLink VCOM
+#define UART_DEV              USART3
+#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
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+static inline void board_clock_init(void)
+{
+  RCC_ClkInitTypeDef RCC_ClkInitStruct;
+  RCC_OscInitTypeDef RCC_OscInitStruct;
+
+  /* Enable Power Control clock */
+  __HAL_RCC_PWR_CLK_ENABLE();
+
+  /* The voltage scaling allows optimizing the power consumption when the
+   * device is clocked below the maximum system frequency, to update the
+   * voltage scaling value regarding system frequency refer to product
+   * datasheet.  */
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+  /* Enable HSE Oscillator and activate PLL with HSE as source */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
+  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 = RCC_PLLP_DIV2;
+  RCC_OscInitStruct.PLL.PLLQ = 7;
+  HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
+   * clocks dividers */
+  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK |
+                                RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
+  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
+
+  // Enable clocks for LED, Button, Uart
+  __HAL_RCC_GPIOB_CLK_ENABLE();
+  __HAL_RCC_GPIOC_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
+  __HAL_RCC_USART3_CLK_ENABLE();
+}
+
+static inline void board_vbus_sense_init(void)
+{
+  // Enable VBUS sense (B device) via pin PA9
+  USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
+  USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN;
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
diff --git a/hw/bsp/stm32f4/boards/stm32f439nucleo/board.mk b/hw/bsp/stm32f4/boards/stm32f439nucleo/board.mk
new file mode 100644
index 000000000..b7b36a8a6
--- /dev/null
+++ b/hw/bsp/stm32f4/boards/stm32f439nucleo/board.mk
@@ -0,0 +1,11 @@
+CFLAGS += -DSTM32F439xx
+
+LD_FILE = $(BOARD_PATH)/STM32F439ZITX_FLASH.ld
+
+SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f439xx.s
+
+# For flash-jlink target
+JLINK_DEVICE = stm32f439zi
+
+# flash target using on-board stlink
+flash: flash-stlink
diff --git a/hw/bsp/stm32f4/boards/stm32f439nucleo/stm32f4xx_hal_conf.h b/hw/bsp/stm32f4/boards/stm32f439nucleo/stm32f4xx_hal_conf.h
new file mode 100644
index 000000000..a2c11d717
--- /dev/null
+++ b/hw/bsp/stm32f4/boards/stm32f439nucleo/stm32f4xx_hal_conf.h
@@ -0,0 +1,486 @@
+/**
+  ******************************************************************************
+  * @file    stm32f4xx_hal_conf_template.h
+  * @author  MCD Application Team
+  * @brief   HAL configuration file
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */ 
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_HAL_CONF_H
+#define __STM32F4xx_HAL_CONF_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+
+/* ########################## Module Selection ############################## */
+/**
+  * @brief This is the list of modules to be used in the HAL driver 
+  */
+#define HAL_MODULE_ENABLED         
+/* #define HAL_ADC_MODULE_ENABLED      */
+/* #define HAL_CAN_MODULE_ENABLED      */
+/* #define HAL_CAN_LEGACY_MODULE_ENABLED      */
+/* #define HAL_CRC_MODULE_ENABLED      */ 
+/* #define HAL_CEC_MODULE_ENABLED      */ 
+/* #define HAL_CRYP_MODULE_ENABLED     */ 
+/* #define HAL_DAC_MODULE_ENABLED      */ 
+/* #define HAL_DCMI_MODULE_ENABLED     */ 
+#define HAL_DMA_MODULE_ENABLED 
+/* #define HAL_DMA2D_MODULE_ENABLED    */ 
+/* #define HAL_ETH_MODULE_ENABLED      */
+#define HAL_FLASH_MODULE_ENABLED 
+/* #define HAL_NAND_MODULE_ENABLED     */
+/* #define HAL_NOR_MODULE_ENABLED      */
+/* #define HAL_PCCARD_MODULE_ENABLED   */
+/* #define HAL_SRAM_MODULE_ENABLED     */
+/* #define HAL_SDRAM_MODULE_ENABLED    */
+/* #define HAL_HASH_MODULE_ENABLED     */  
+#define HAL_GPIO_MODULE_ENABLED
+/* #define HAL_EXTI_MODULE_ENABLED     */
+/* #define HAL_I2C_MODULE_ENABLED      */
+/* #define HAL_SMBUS_MODULE_ENABLED    */
+/* #define HAL_I2S_MODULE_ENABLED      */
+/* #define HAL_IWDG_MODULE_ENABLED     */ 
+/* #define HAL_LTDC_MODULE_ENABLED     */
+/* #define HAL_DSI_MODULE_ENABLED      */
+#define HAL_PWR_MODULE_ENABLED
+/* #define HAL_QSPI_MODULE_ENABLED     */
+#define HAL_RCC_MODULE_ENABLED      
+/* #define HAL_RNG_MODULE_ENABLED      */
+/* #define HAL_RTC_MODULE_ENABLED      */
+/* #define HAL_SAI_MODULE_ENABLED      */
+/* #define HAL_SD_MODULE_ENABLED       */
+// #define HAL_SPI_MODULE_ENABLED
+/* #define HAL_TIM_MODULE_ENABLED      */
+#define HAL_UART_MODULE_ENABLED
+/* #define HAL_USART_MODULE_ENABLED    */ 
+/* #define HAL_IRDA_MODULE_ENABLED     */
+/* #define HAL_SMARTCARD_MODULE_ENABLED */
+/* #define HAL_WWDG_MODULE_ENABLED     */
+#define HAL_CORTEX_MODULE_ENABLED   
+/* #define HAL_PCD_MODULE_ENABLED      */
+/* #define HAL_HCD_MODULE_ENABLED      */
+/* #define HAL_FMPI2C_MODULE_ENABLED   */
+/* #define HAL_SPDIFRX_MODULE_ENABLED  */
+/* #define HAL_DFSDM_MODULE_ENABLED    */
+/* #define HAL_LPTIM_MODULE_ENABLED    */
+/* #define HAL_MMC_MODULE_ENABLED      */
+
+/* ########################## HSE/HSI Values adaptation ##################### */
+/**
+  * @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSE is used as system clock source, directly or through the PLL).  
+  */
+#if !defined  (HSE_VALUE) 
+  #define HSE_VALUE    (8000000U) /*!< Value of the External oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined  (HSE_STARTUP_TIMEOUT)
+  #define HSE_STARTUP_TIMEOUT    (100U)   /*!< Time out for HSE start up, in ms */
+#endif /* HSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief Internal High Speed oscillator (HSI) value.
+  *        This value is used by the RCC HAL module to compute the system frequency
+  *        (when HSI is used as system clock source, directly or through the PLL). 
+  */
+#if !defined  (HSI_VALUE)
+  #define HSI_VALUE    (16000000U) /*!< Value of the Internal oscillator in Hz*/
+#endif /* HSI_VALUE */
+
+/**
+  * @brief Internal Low Speed oscillator (LSI) value.
+  */
+#if !defined  (LSI_VALUE) 
+ #define LSI_VALUE  (32000U)    
+#endif /* LSI_VALUE */                      /*!< Value of the Internal Low Speed oscillator in Hz
+                                             The real value may vary depending on the variations
+                                             in voltage and temperature.  */
+/**
+  * @brief External Low Speed oscillator (LSE) value.
+  */
+#if !defined  (LSE_VALUE)
+ #define LSE_VALUE  (32768U)    /*!< Value of the External Low Speed oscillator in Hz */
+#endif /* LSE_VALUE */
+
+#if !defined  (LSE_STARTUP_TIMEOUT)
+  #define LSE_STARTUP_TIMEOUT    (5000U)   /*!< Time out for LSE start up, in ms */
+#endif /* LSE_STARTUP_TIMEOUT */
+
+/**
+  * @brief External clock source for I2S peripheral
+  *        This value is used by the I2S HAL module to compute the I2S clock source 
+  *        frequency, this source is inserted directly through I2S_CKIN pad. 
+  */
+#if !defined  (EXTERNAL_CLOCK_VALUE)
+  #define EXTERNAL_CLOCK_VALUE    (12288000U) /*!< Value of the External oscillator in Hz*/
+#endif /* EXTERNAL_CLOCK_VALUE */
+
+/* Tip: To avoid modifying this file each time you need to use different HSE,
+   ===  you can define the HSE value in your toolchain compiler preprocessor. */
+
+/* ########################### System Configuration ######################### */
+/**
+  * @brief This is the HAL system configuration section
+  */     
+#define  VDD_VALUE                    (3300U) /*!< Value of VDD in mv */
+#define  TICK_INT_PRIORITY            (0x0FU) /*!< tick interrupt priority */           
+#define  USE_RTOS                     0U
+#define  PREFETCH_ENABLE              1U
+#define  INSTRUCTION_CACHE_ENABLE     1U
+#define  DATA_CACHE_ENABLE            1U
+
+#define  USE_HAL_ADC_REGISTER_CALLBACKS         0U /* ADC register callback disabled       */
+#define  USE_HAL_CAN_REGISTER_CALLBACKS         0U /* CAN register callback disabled       */
+#define  USE_HAL_CEC_REGISTER_CALLBACKS         0U /* CEC register callback disabled       */
+#define  USE_HAL_CRYP_REGISTER_CALLBACKS        0U /* CRYP register callback disabled      */
+#define  USE_HAL_DAC_REGISTER_CALLBACKS         0U /* DAC register callback disabled       */
+#define  USE_HAL_DCMI_REGISTER_CALLBACKS        0U /* DCMI register callback disabled      */
+#define  USE_HAL_DFSDM_REGISTER_CALLBACKS       0U /* DFSDM register callback disabled     */
+#define  USE_HAL_DMA2D_REGISTER_CALLBACKS       0U /* DMA2D register callback disabled     */
+#define  USE_HAL_DSI_REGISTER_CALLBACKS         0U /* DSI register callback disabled       */
+#define  USE_HAL_ETH_REGISTER_CALLBACKS         0U /* ETH register callback disabled       */
+#define  USE_HAL_HASH_REGISTER_CALLBACKS        0U /* HASH register callback disabled      */
+#define  USE_HAL_HCD_REGISTER_CALLBACKS         0U /* HCD register callback disabled       */
+#define  USE_HAL_I2C_REGISTER_CALLBACKS         0U /* I2C register callback disabled       */
+#define  USE_HAL_FMPI2C_REGISTER_CALLBACKS      0U /* FMPI2C register callback disabled    */
+#define  USE_HAL_I2S_REGISTER_CALLBACKS         0U /* I2S register callback disabled       */
+#define  USE_HAL_IRDA_REGISTER_CALLBACKS        0U /* IRDA register callback disabled      */
+#define  USE_HAL_LPTIM_REGISTER_CALLBACKS       0U /* LPTIM register callback disabled     */
+#define  USE_HAL_LTDC_REGISTER_CALLBACKS        0U /* LTDC register callback disabled      */
+#define  USE_HAL_MMC_REGISTER_CALLBACKS         0U /* MMC register callback disabled       */
+#define  USE_HAL_NAND_REGISTER_CALLBACKS        0U /* NAND register callback disabled      */
+#define  USE_HAL_NOR_REGISTER_CALLBACKS         0U /* NOR register callback disabled       */
+#define  USE_HAL_PCCARD_REGISTER_CALLBACKS      0U /* PCCARD register callback disabled    */
+#define  USE_HAL_PCD_REGISTER_CALLBACKS         0U /* PCD register callback disabled       */
+#define  USE_HAL_QSPI_REGISTER_CALLBACKS        0U /* QSPI register callback disabled      */
+#define  USE_HAL_RNG_REGISTER_CALLBACKS         0U /* RNG register callback disabled       */
+#define  USE_HAL_RTC_REGISTER_CALLBACKS         0U /* RTC register callback disabled       */
+#define  USE_HAL_SAI_REGISTER_CALLBACKS         0U /* SAI register callback disabled       */
+#define  USE_HAL_SD_REGISTER_CALLBACKS          0U /* SD register callback disabled        */
+#define  USE_HAL_SMARTCARD_REGISTER_CALLBACKS   0U /* SMARTCARD register callback disabled */
+#define  USE_HAL_SDRAM_REGISTER_CALLBACKS       0U /* SDRAM register callback disabled     */
+#define  USE_HAL_SRAM_REGISTER_CALLBACKS        0U /* SRAM register callback disabled      */
+#define  USE_HAL_SPDIFRX_REGISTER_CALLBACKS     0U /* SPDIFRX register callback disabled   */
+#define  USE_HAL_SMBUS_REGISTER_CALLBACKS       0U /* SMBUS register callback disabled     */
+#define  USE_HAL_SPI_REGISTER_CALLBACKS         0U /* SPI register callback disabled       */
+#define  USE_HAL_TIM_REGISTER_CALLBACKS         0U /* TIM register callback disabled       */
+#define  USE_HAL_UART_REGISTER_CALLBACKS        0U /* UART register callback disabled      */
+#define  USE_HAL_USART_REGISTER_CALLBACKS       0U /* USART register callback disabled     */
+#define  USE_HAL_WWDG_REGISTER_CALLBACKS        0U /* WWDG register callback disabled      */
+
+/* ########################## Assert Selection ############################## */
+/**
+  * @brief Uncomment the line below to expanse the "assert_param" macro in the 
+  *        HAL drivers code
+  */
+/* #define USE_FULL_ASSERT    1U */
+
+/* ################## Ethernet peripheral configuration ##################### */
+
+/* Section 1 : Ethernet peripheral configuration */
+
+/* MAC ADDRESS: MAC_ADDR0:MAC_ADDR1:MAC_ADDR2:MAC_ADDR3:MAC_ADDR4:MAC_ADDR5 */
+#define MAC_ADDR0   2U
+#define MAC_ADDR1   0U
+#define MAC_ADDR2   0U
+#define MAC_ADDR3   0U
+#define MAC_ADDR4   0U
+#define MAC_ADDR5   0U
+
+/* Definition of the Ethernet driver buffers size and count */
+#define ETH_RX_BUF_SIZE                ETH_MAX_PACKET_SIZE /* buffer size for receive               */
+#define ETH_TX_BUF_SIZE                ETH_MAX_PACKET_SIZE /* buffer size for transmit              */
+#define ETH_RXBUFNB                    4U       /* 4 Rx buffers of size ETH_RX_BUF_SIZE  */
+#define ETH_TXBUFNB                    4U       /* 4 Tx buffers of size ETH_TX_BUF_SIZE  */
+
+/* Section 2: PHY configuration section */
+
+/* LAN8742A_PHY_ADDRESS Address*/
+#define LAN8742A_PHY_ADDRESS           0U
+/* PHY Reset delay these values are based on a 1 ms Systick interrupt*/
+#define PHY_RESET_DELAY                 0x000000FFU
+/* PHY Configuration delay */
+#define PHY_CONFIG_DELAY                0x00000FFFU
+
+#define PHY_READ_TO                     0x0000FFFFU
+#define PHY_WRITE_TO                    0x0000FFFFU
+
+/* Section 3: Common PHY Registers */
+
+#define PHY_BCR                         ((uint16_t)0x00U)    /*!< Transceiver Basic Control Register   */
+#define PHY_BSR                         ((uint16_t)0x01U)    /*!< Transceiver Basic Status Register    */
+
+#define PHY_RESET                       ((uint16_t)0x8000U)  /*!< PHY Reset */
+#define PHY_LOOPBACK                    ((uint16_t)0x4000U)  /*!< Select loop-back mode */
+#define PHY_FULLDUPLEX_100M             ((uint16_t)0x2100U)  /*!< Set the full-duplex mode at 100 Mb/s */
+#define PHY_HALFDUPLEX_100M             ((uint16_t)0x2000U)  /*!< Set the half-duplex mode at 100 Mb/s */
+#define PHY_FULLDUPLEX_10M              ((uint16_t)0x0100U)  /*!< Set the full-duplex mode at 10 Mb/s  */
+#define PHY_HALFDUPLEX_10M              ((uint16_t)0x0000U)  /*!< Set the half-duplex mode at 10 Mb/s  */
+#define PHY_AUTONEGOTIATION             ((uint16_t)0x1000U)  /*!< Enable auto-negotiation function     */
+#define PHY_RESTART_AUTONEGOTIATION     ((uint16_t)0x0200U)  /*!< Restart auto-negotiation function    */
+#define PHY_POWERDOWN                   ((uint16_t)0x0800U)  /*!< Select the power down mode           */
+#define PHY_ISOLATE                     ((uint16_t)0x0400U)  /*!< Isolate PHY from MII                 */
+
+#define PHY_AUTONEGO_COMPLETE           ((uint16_t)0x0020U)  /*!< Auto-Negotiation process completed   */
+#define PHY_LINKED_STATUS               ((uint16_t)0x0004U)  /*!< Valid link established               */
+#define PHY_JABBER_DETECTION            ((uint16_t)0x0002U)  /*!< Jabber condition detected            */
+
+/* Section 4: Extended PHY Registers */
+#define PHY_SR                          ((uint16_t)0x10U)    /*!< PHY status register Offset                      */
+
+#define PHY_SPEED_STATUS                ((uint16_t)0x0002U)  /*!< PHY Speed mask                                  */
+#define PHY_DUPLEX_STATUS               ((uint16_t)0x0004U)  /*!< PHY Duplex mask                                 */
+
+#define PHY_ISFR                        ((uint16_t)0x001DU)    /*!< PHY Interrupt Source Flag register Offset   */
+#define PHY_ISFR_INT4                   ((uint16_t)0x000BU)  /*!< PHY Link down inturrupt       */
+
+/* ################## SPI peripheral configuration ########################## */
+
+/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
+* Activated: CRC code is present inside driver
+* Deactivated: CRC code cleaned from driver
+*/
+
+#define USE_SPI_CRC                     0U
+
+/* Includes ------------------------------------------------------------------*/
+/**
+  * @brief Include module's header file 
+  */
+
+#ifdef HAL_RCC_MODULE_ENABLED
+  #include "stm32f4xx_hal_rcc.h"
+#endif /* HAL_RCC_MODULE_ENABLED */
+
+#ifdef HAL_GPIO_MODULE_ENABLED
+  #include "stm32f4xx_hal_gpio.h"
+#endif /* HAL_GPIO_MODULE_ENABLED */
+
+#ifdef HAL_EXTI_MODULE_ENABLED
+  #include "stm32f4xx_hal_exti.h"
+#endif /* HAL_EXTI_MODULE_ENABLED */
+
+#ifdef HAL_DMA_MODULE_ENABLED
+  #include "stm32f4xx_hal_dma.h"
+#endif /* HAL_DMA_MODULE_ENABLED */
+   
+#ifdef HAL_CORTEX_MODULE_ENABLED
+  #include "stm32f4xx_hal_cortex.h"
+#endif /* HAL_CORTEX_MODULE_ENABLED */
+
+#ifdef HAL_ADC_MODULE_ENABLED
+  #include "stm32f4xx_hal_adc.h"
+#endif /* HAL_ADC_MODULE_ENABLED */
+
+#ifdef HAL_CAN_MODULE_ENABLED
+  #include "stm32f4xx_hal_can.h"
+#endif /* HAL_CAN_MODULE_ENABLED */
+
+#ifdef HAL_CAN_LEGACY_MODULE_ENABLED
+  #include "stm32f4xx_hal_can_legacy.h"
+#endif /* HAL_CAN_LEGACY_MODULE_ENABLED */
+
+#ifdef HAL_CRC_MODULE_ENABLED
+  #include "stm32f4xx_hal_crc.h"
+#endif /* HAL_CRC_MODULE_ENABLED */
+
+#ifdef HAL_CRYP_MODULE_ENABLED
+  #include "stm32f4xx_hal_cryp.h" 
+#endif /* HAL_CRYP_MODULE_ENABLED */
+
+#ifdef HAL_DMA2D_MODULE_ENABLED
+  #include "stm32f4xx_hal_dma2d.h"
+#endif /* HAL_DMA2D_MODULE_ENABLED */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+  #include "stm32f4xx_hal_dac.h"
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+#ifdef HAL_DCMI_MODULE_ENABLED
+  #include "stm32f4xx_hal_dcmi.h"
+#endif /* HAL_DCMI_MODULE_ENABLED */
+
+#ifdef HAL_ETH_MODULE_ENABLED
+  #include "stm32f4xx_hal_eth.h"
+#endif /* HAL_ETH_MODULE_ENABLED */
+
+#ifdef HAL_FLASH_MODULE_ENABLED
+  #include "stm32f4xx_hal_flash.h"
+#endif /* HAL_FLASH_MODULE_ENABLED */
+ 
+#ifdef HAL_SRAM_MODULE_ENABLED
+  #include "stm32f4xx_hal_sram.h"
+#endif /* HAL_SRAM_MODULE_ENABLED */
+
+#ifdef HAL_NOR_MODULE_ENABLED
+  #include "stm32f4xx_hal_nor.h"
+#endif /* HAL_NOR_MODULE_ENABLED */
+
+#ifdef HAL_NAND_MODULE_ENABLED
+  #include "stm32f4xx_hal_nand.h"
+#endif /* HAL_NAND_MODULE_ENABLED */
+
+#ifdef HAL_PCCARD_MODULE_ENABLED
+  #include "stm32f4xx_hal_pccard.h"
+#endif /* HAL_PCCARD_MODULE_ENABLED */ 
+  
+#ifdef HAL_SDRAM_MODULE_ENABLED
+  #include "stm32f4xx_hal_sdram.h"
+#endif /* HAL_SDRAM_MODULE_ENABLED */      
+
+#ifdef HAL_HASH_MODULE_ENABLED
+ #include "stm32f4xx_hal_hash.h"
+#endif /* HAL_HASH_MODULE_ENABLED */
+
+#ifdef HAL_I2C_MODULE_ENABLED
+ #include "stm32f4xx_hal_i2c.h"
+#endif /* HAL_I2C_MODULE_ENABLED */
+
+#ifdef HAL_SMBUS_MODULE_ENABLED
+ #include "stm32f4xx_hal_smbus.h"
+#endif /* HAL_SMBUS_MODULE_ENABLED */
+
+#ifdef HAL_I2S_MODULE_ENABLED
+ #include "stm32f4xx_hal_i2s.h"
+#endif /* HAL_I2S_MODULE_ENABLED */
+
+#ifdef HAL_IWDG_MODULE_ENABLED
+ #include "stm32f4xx_hal_iwdg.h"
+#endif /* HAL_IWDG_MODULE_ENABLED */
+
+#ifdef HAL_LTDC_MODULE_ENABLED
+ #include "stm32f4xx_hal_ltdc.h"
+#endif /* HAL_LTDC_MODULE_ENABLED */
+
+#ifdef HAL_PWR_MODULE_ENABLED
+ #include "stm32f4xx_hal_pwr.h"
+#endif /* HAL_PWR_MODULE_ENABLED */
+
+#ifdef HAL_RNG_MODULE_ENABLED
+ #include "stm32f4xx_hal_rng.h"
+#endif /* HAL_RNG_MODULE_ENABLED */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+ #include "stm32f4xx_hal_rtc.h"
+#endif /* HAL_RTC_MODULE_ENABLED */
+
+#ifdef HAL_SAI_MODULE_ENABLED
+ #include "stm32f4xx_hal_sai.h"
+#endif /* HAL_SAI_MODULE_ENABLED */
+
+#ifdef HAL_SD_MODULE_ENABLED
+ #include "stm32f4xx_hal_sd.h"
+#endif /* HAL_SD_MODULE_ENABLED */
+
+#ifdef HAL_SPI_MODULE_ENABLED
+ #include "stm32f4xx_hal_spi.h"
+#endif /* HAL_SPI_MODULE_ENABLED */
+
+#ifdef HAL_TIM_MODULE_ENABLED
+ #include "stm32f4xx_hal_tim.h"
+#endif /* HAL_TIM_MODULE_ENABLED */
+
+#ifdef HAL_UART_MODULE_ENABLED
+ #include "stm32f4xx_hal_uart.h"
+#endif /* HAL_UART_MODULE_ENABLED */
+
+#ifdef HAL_USART_MODULE_ENABLED
+ #include "stm32f4xx_hal_usart.h"
+#endif /* HAL_USART_MODULE_ENABLED */
+
+#ifdef HAL_IRDA_MODULE_ENABLED
+ #include "stm32f4xx_hal_irda.h"
+#endif /* HAL_IRDA_MODULE_ENABLED */
+
+#ifdef HAL_SMARTCARD_MODULE_ENABLED
+ #include "stm32f4xx_hal_smartcard.h"
+#endif /* HAL_SMARTCARD_MODULE_ENABLED */
+
+#ifdef HAL_WWDG_MODULE_ENABLED
+ #include "stm32f4xx_hal_wwdg.h"
+#endif /* HAL_WWDG_MODULE_ENABLED */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+ #include "stm32f4xx_hal_pcd.h"
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+#ifdef HAL_HCD_MODULE_ENABLED
+ #include "stm32f4xx_hal_hcd.h"
+#endif /* HAL_HCD_MODULE_ENABLED */
+   
+#ifdef HAL_DSI_MODULE_ENABLED
+ #include "stm32f4xx_hal_dsi.h"
+#endif /* HAL_DSI_MODULE_ENABLED */
+
+#ifdef HAL_QSPI_MODULE_ENABLED
+ #include "stm32f4xx_hal_qspi.h"
+#endif /* HAL_QSPI_MODULE_ENABLED */
+
+#ifdef HAL_CEC_MODULE_ENABLED
+ #include "stm32f4xx_hal_cec.h"
+#endif /* HAL_CEC_MODULE_ENABLED */
+
+#ifdef HAL_FMPI2C_MODULE_ENABLED
+ #include "stm32f4xx_hal_fmpi2c.h"
+#endif /* HAL_FMPI2C_MODULE_ENABLED */
+
+#ifdef HAL_SPDIFRX_MODULE_ENABLED
+ #include "stm32f4xx_hal_spdifrx.h"
+#endif /* HAL_SPDIFRX_MODULE_ENABLED */
+
+#ifdef HAL_DFSDM_MODULE_ENABLED
+ #include "stm32f4xx_hal_dfsdm.h"
+#endif /* HAL_DFSDM_MODULE_ENABLED */
+
+#ifdef HAL_LPTIM_MODULE_ENABLED
+ #include "stm32f4xx_hal_lptim.h"
+#endif /* HAL_LPTIM_MODULE_ENABLED */
+
+#ifdef HAL_MMC_MODULE_ENABLED
+ #include "stm32f4xx_hal_mmc.h"
+#endif /* HAL_MMC_MODULE_ENABLED */
+
+/* Exported macro ------------------------------------------------------------*/
+#ifdef  USE_FULL_ASSERT
+/**
+  * @brief  The assert_param macro is used for function's parameters check.
+  * @param  expr If expr is false, it calls assert_failed function
+  *         which reports the name of the source file and the source
+  *         line number of the call that failed. 
+  *         If expr is true, it returns no value.
+  * @retval None
+  */
+  #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
+/* Exported functions ------------------------------------------------------- */
+  void assert_failed(uint8_t* file, uint32_t line);
+#else
+  #define assert_param(expr) ((void)0U)
+#endif /* USE_FULL_ASSERT */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_HAL_CONF_H */
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h
index fd9d50183..eab0bd5f0 100644
--- a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h
+++ b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h
@@ -32,8 +32,8 @@
 #endif
 
 // G474RE Nucleo does not has usb connection. We need to manually connect
-// - PA11 for D+, CN10.14
-// - PA12 for D-, CN10.12
+// - PA12 for D+, CN10.12
+// - PA11 for D-, CN10.14
 
 // LED
 #define LED_PORT              GPIOA
@@ -61,32 +61,36 @@ static inline void board_clock_init(void)
 {
   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
 
   // Configure the main internal regulator output voltage
   HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST);
 
   // Initializes the CPU, AHB and APB busses clocks
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
-  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
-  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
-  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
-  RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV4;
-  RCC_OscInitStruct.PLL.PLLN = 85;
-  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
-  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
-  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.HSEState       = RCC_HSE_ON;
+  RCC_OscInitStruct.HSI48State     = RCC_HSI48_ON;
+  RCC_OscInitStruct.PLL.PLLState   = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource  = RCC_PLLSOURCE_HSE;
+  RCC_OscInitStruct.PLL.PLLM       = RCC_PLLM_DIV4;
+  RCC_OscInitStruct.PLL.PLLN       = 50;
+  RCC_OscInitStruct.PLL.PLLP       = RCC_PLLP_DIV2;
+  RCC_OscInitStruct.PLL.PLLQ       = RCC_PLLQ_DIV2;
+  RCC_OscInitStruct.PLL.PLLR       = RCC_PLLR_DIV2;
   HAL_RCC_OscConfig(&RCC_OscInitStruct);
 
   // Initializes the CPU, AHB and APB busses clocks
-  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
-  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
-  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.ClockType      = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+  RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.AHBCLKDivider  = RCC_SYSCLK_DIV1;
   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-
   HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_8);
 
+  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
+  PeriphClkInit.UsbClockSelection    = RCC_USBCLKSOURCE_HSI48;
+  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) ;
+
 #if 0 // TODO need to check if USB clock is enabled
   /* Enable HSI48 */
   memset(&RCC_OscInitStruct, 0, sizeof(RCC_OscInitStruct));
diff --git a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.mk b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.mk
index 1951fcba0..e41edd3b7 100644
--- a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.mk
+++ b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.mk
@@ -1,4 +1,6 @@
-CFLAGS += -DSTM32G474xx
+CFLAGS += \
+	-DSTM32G474xx \
+	-DHSE_VALUE=24000000
 
 LD_FILE = $(BOARD_PATH)/STM32G474RETx_FLASH.ld
 
diff --git a/hw/bsp/stm32g4/family.c b/hw/bsp/stm32g4/family.c
index 318f50746..461dc61a1 100644
--- a/hw/bsp/stm32g4/family.c
+++ b/hw/bsp/stm32g4/family.c
@@ -118,13 +118,13 @@ void board_init(void)
 
   // USB Pins TODO double check USB clock and pin setup
   // Configure USB DM and DP pins. This is optional, and maintained only for user guidance.
-//  GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
-//  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
-//  GPIO_InitStruct.Pull = GPIO_NOPULL;
-//  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
-//  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-//
-//  __HAL_RCC_USB_CLK_ENABLE();
+  GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
+  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+  __HAL_RCC_USB_CLK_ENABLE();
 
   board_vbus_sense_init();
 }
diff --git a/hw/mcu/broadcom b/hw/mcu/broadcom
-Subproject 5bff1d5e02c37c38ee1e5cf3f7fe82fdc7e1517
+Subproject 08370086080759ed54ac1136d62d2ad24c6fa26