Merge pull request #112 from hathach/develop

Adding support for LPC54114 

13 files changed, 256 insertions, 767 deletions

diff --git a/hw/bsp/lpcxpresso11u68/board.mk b/hw/bsp/lpcxpresso11u68/board.mk
index 29287692e..b637b4b02 100644
--- a/hw/bsp/lpcxpresso11u68/board.mk
+++ b/hw/bsp/lpcxpresso11u68/board.mk
@@ -26,7 +26,7 @@ INC += \
 
 # For TinyUSB port source
 VENDOR = nxp
-CHIP_FAMILY = lpc_usbd
+CHIP_FAMILY = lpc_ip3511
 
 # For freeRTOS port source
 FREERTOS_PORT = ARM_CM0
@@ -35,5 +35,6 @@ FREERTOS_PORT = ARM_CM0
 JLINK_DEVICE = LPC11U68
 JLINK_IF = swd
 
-# flash using jlink
-flash: flash-jlink
+# flash using pyocd 
+flash: $(BUILD)/$(BOARD)-firmware.hex
+	pyocd flash -t lpc11u68 $<
diff --git a/hw/bsp/lpcxpresso1347/board.mk b/hw/bsp/lpcxpresso1347/board.mk
index f7600f427..7e620f97a 100644
--- a/hw/bsp/lpcxpresso1347/board.mk
+++ b/hw/bsp/lpcxpresso1347/board.mk
@@ -25,7 +25,7 @@ INC += \
 
 # For TinyUSB port source
 VENDOR = nxp
-CHIP_FAMILY = lpc_usbd
+CHIP_FAMILY = lpc_ip3511
 
 # For freeRTOS port source
 FREERTOS_PORT = ARM_CM3
diff --git a/hw/bsp/lpcxpresso51u68/LPC51U68_flash.ld b/hw/bsp/lpcxpresso51u68/LPC51U68_flash.ld
deleted file mode 100644
index 89b46c692..000000000
--- a/hw/bsp/lpcxpresso51u68/LPC51U68_flash.ld
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
-** ###################################################################
-**     Processors:          LPC51U68JBD48
-**                          LPC51U68JBD64
-**
-**     Compiler:            GNU C Compiler
-**     Reference manual:    LPC51U68 User manual User manual Rev. 1.0 13 Dec 2017
-**     Version:             rev. 1.0, 2017-12-15
-**     Build:               b180801
-**
-**     Abstract:
-**         Linker file for the GNU C Compiler
-**
-**     Copyright 2016 Freescale Semiconductor, Inc.
-**     Copyright 2016-2018 NXP
-**
-**     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__ : 0x0800;
-
-/* Specify the memory areas */
-MEMORY
-{
-  m_interrupts          (RX)  : ORIGIN = 0x00000000, LENGTH = 0x000000E0
-  m_text                (RX)  : ORIGIN = 0x000000E0, LENGTH = 0x0003FF20
-  m_data_sramx          (RW)  : ORIGIN = 0x04000000, LENGTH = 0x00008000
-  m_data                (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00010000
-}
-
-/* Define output sections */
-SECTIONS
-{
-  /* The startup code goes first into internal flash */
-  .interrupts :
-  {
-    . = ALIGN(4);
-    KEEP(*(.isr_vector))     /* Startup code */
-    . = ALIGN(4);
-  } > m_interrupts
-
-  /* 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 */
-
-  .data : AT(__DATA_ROM)
-  {
-    . = ALIGN(4);
-    __DATA_RAM = .;
-    __data_start__ = .;      /* create a global symbol at data start */
-    *(.ramfunc*)             /* for functions in ram */
-    *(.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_sramx
-
-  .stack :
-  {
-    . = ALIGN(8);
-    . += STACK_SIZE;
-  } > m_data_sramx
-
-  /* Initializes stack on the end of block */
-  __StackTop   = ORIGIN(m_data_sramx) + LENGTH(m_data_sramx);
-  __StackLimit = __StackTop - STACK_SIZE;
-  PROVIDE(__stack = __StackTop);
-
-  .ARM.attributes 0 : { *(.ARM.attributes) }
-
-  ASSERT(__StackLimit >= __HeapLimit, "region m_data_sramx overflowed with stack and heap")
-}
-
diff --git a/hw/bsp/lpcxpresso51u68/board.mk b/hw/bsp/lpcxpresso51u68/board.mk
index 83ad1d360..7b83759aa 100644
--- a/hw/bsp/lpcxpresso51u68/board.mk
+++ b/hw/bsp/lpcxpresso51u68/board.mk
@@ -5,32 +5,33 @@ CFLAGS += \
   -DCORE_M0PLUS \
   -DCFG_TUSB_MCU=OPT_MCU_LPC51UXX \
   -DCPU_LPC51U68JBD64 \
-  -Wfatal-errors \
-  -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data.$$RAM3")))' \
+  -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data")))' \
   -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' 
 
+MCU_DIR = hw/mcu/nxp/lpc_driver/lpc51u6x/devices/LPC51U68
+
 # All source paths should be relative to the top level.
-LD_FILE = hw/bsp/lpcxpresso51u68/LPC51U68_flash.ld
+LD_FILE = $(MCU_DIR)/gcc/LPC51U68_flash.ld
 
 SRC_C += \
-	hw/mcu/nxp/lpc_driver/lpc51u6x/devices/LPC51U68/system_LPC51U68.c \
-	hw/mcu/nxp/lpc_driver/lpc51u6x/drivers/fsl_clock.c \
-	hw/mcu/nxp/lpc_driver/lpc51u6x/drivers/fsl_gpio.c \
-	hw/mcu/nxp/lpc_driver/lpc51u6x/drivers/fsl_power.c \
-	hw/mcu/nxp/lpc_driver/lpc51u6x/drivers/fsl_reset.c
+	$(MCU_DIR)/system_LPC51U68.c \
+	$(MCU_DIR)/drivers/fsl_clock.c \
+	$(MCU_DIR)/drivers/fsl_gpio.c \
+	$(MCU_DIR)/drivers/fsl_power.c \
+	$(MCU_DIR)/drivers/fsl_reset.c
 
 INC += \
 	$(TOP)/hw/mcu/nxp/lpc_driver/lpc51u6x/CMSIS/Include \
-	$(TOP)/hw/mcu/nxp/lpc_driver/lpc51u6x/devices/LPC51U68 \
-	$(TOP)/hw/mcu/nxp/lpc_driver/lpc51u6x/drivers
+	$(TOP)/$(MCU_DIR) \
+	$(TOP)/$(MCU_DIR)/drivers
 
-SRC_S += hw/bsp/lpcxpresso51u68/startup_LPC51U68.S
+SRC_S += $(MCU_DIR)/gcc/startup_LPC51U68.S
 
-LIBS += $(TOP)/hw/mcu/nxp/lpc_driver/lpc51u6x/devices/LPC51U68/libpower.a
+LIBS += $(TOP)/$(MCU_DIR)/gcc/libpower.a
 
 # For TinyUSB port source
 VENDOR = nxp
-CHIP_FAMILY = lpc_usbd
+CHIP_FAMILY = lpc_ip3511
 
 # For freeRTOS port source
 FREERTOS_PORT = ARM_CM0
@@ -39,5 +40,6 @@ FREERTOS_PORT = ARM_CM0
 JLINK_DEVICE = LPC51U68
 JLINK_IF = swd
 
-# flash using jlink
-#flash: flash-jlink
+# flash using pyocd (51u68 is not supported yet)
+flash: $(BUILD)/$(BOARD)-firmware.hex
+	pyocd flash -t LPC51U68 $<
diff --git a/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c b/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c
index 8b57ce7b9..df915a720 100644
--- a/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c
+++ b/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c
@@ -25,7 +25,7 @@
  */
 
 #include "../board.h"
-#include "LPC51U68.h"
+#include "fsl_device_registers.h"
 #include "fsl_gpio.h"
 #include "fsl_power.h"
 #include "fsl_iocon.h"
diff --git a/hw/bsp/lpcxpresso51u68/startup_LPC51U68.S b/hw/bsp/lpcxpresso51u68/startup_LPC51U68.S
deleted file mode 100644
index 81a6f320e..000000000
--- a/hw/bsp/lpcxpresso51u68/startup_LPC51U68.S
+++ /dev/null
@@ -1,536 +0,0 @@
-/* --------------------------------------------------------------------------*/
-/* @file:    startup_LPC51U68.S                                                */
-/* @purpose: CMSIS Cortex-M0+ Core Device Startup File                       */
-/*           LPC51U68                                                          */
-/* @version: 1.0                                                      */
-/* @date:    2017-12-15                                                         */
-/* --------------------------------------------------------------------------*/
-/*                                                                           */
-/* Copyright 1997-2016 Freescale Semiconductor, Inc.                         */
-/* Copyright 2016-2018 NXP                                                   */
-/*                                                                           */
-/* SPDX-License-Identifier: BSD-3-Clause              */
-/*****************************************************************************/
-/* Version: GCC for ARM Embedded Processors                                  */
-/*****************************************************************************/
-
-
-    .syntax unified
-    .arch armv6-m
-
-    .section .isr_vector, "a"
-    .align 2
-    .globl __Vectors
-__Vectors:
-    .long   __StackTop                                      /* Top of Stack       */
-    .long   Reset_Handler                                   /* Reset Handler      */
-    .long   NMI_Handler                                     /* NMI Handler        */
-    .long   HardFault_Handler                               /* Hard Fault Handler */
-    .long   0                                               /* Reserved           */
-    .long   0                                               /* Reserved           */
-    .long   0                                               /* Reserved           */
-    .long   0                                               /* Reserved           */
-    .long   0                                               /* Reserved           */
-    .long   0                                               /* Reserved           */
-    .long   0                                               /* Reserved           */
-    .long   SVC_Handler                                     /* SVCall Handler     */
-    .long   0                                               /* Reserved           */
-    .long   0                                               /* Reserved           */
-    .long   PendSV_Handler                                  /* PendSV Handler     */
-    .long   SysTick_Handler                                 /* SysTick Handler    */
-
-    /* External Interrupts */
-    .long   WDT_BOD_IRQHandler                     /* Windowed watchdog timer, Brownout detect */
-    .long   DMA0_IRQHandler                     /* DMA controller */
-    .long   GINT0_IRQHandler                     /* GPIO group 0 */
-    .long   GINT1_IRQHandler                     /* GPIO group 1 */
-    .long   PIN_INT0_IRQHandler                     /* Pin interrupt 0 or pattern match engine slice 0 */
-    .long   PIN_INT1_IRQHandler                     /* Pin interrupt 1or pattern match engine slice 1 */
-    .long   PIN_INT2_IRQHandler                     /* Pin interrupt 2 or pattern match engine slice 2 */
-    .long   PIN_INT3_IRQHandler                     /* Pin interrupt 3 or pattern match engine slice 3 */
-    .long   UTICK0_IRQHandler                     /* Micro-tick Timer */
-    .long   MRT0_IRQHandler                     /* Multi-rate timer */
-    .long   CTIMER0_IRQHandler                     /* Standard counter/timer CTIMER0 */
-    .long   CTIMER1_IRQHandler                     /* Standard counter/timer CTIMER1 */
-    .long   SCT0_IRQHandler                     /* SCTimer/PWM */
-    .long   CTIMER3_IRQHandler                     /* Standard counter/timer CTIMER3 */
-    .long   FLEXCOMM0_IRQHandler                     /* Flexcomm Interface 0 (USART, SPI, I2C) */
-    .long   FLEXCOMM1_IRQHandler                     /* Flexcomm Interface 1 (USART, SPI, I2C) */
-    .long   FLEXCOMM2_IRQHandler                     /* Flexcomm Interface 2 (USART, SPI, I2C) */
-    .long   FLEXCOMM3_IRQHandler                     /* Flexcomm Interface 3 (USART, SPI, I2C) */
-    .long   FLEXCOMM4_IRQHandler                     /* Flexcomm Interface 4 (USART, SPI, I2C) */
-    .long   FLEXCOMM5_IRQHandler                     /* Flexcomm Interface 5 (USART, SPI, I2C) */
-    .long   FLEXCOMM6_IRQHandler                     /* Flexcomm Interface 6 (USART, SPI, I2C, I2S) */
-    .long   FLEXCOMM7_IRQHandler                     /* Flexcomm Interface 7 (USART, SPI, I2C, I2S) */
-    .long   ADC0_SEQA_IRQHandler                     /* ADC0 sequence A completion. */
-    .long   ADC0_SEQB_IRQHandler                     /* ADC0 sequence B completion. */
-    .long   ADC0_THCMP_IRQHandler                     /* ADC0 threshold compare and error. */
-    .long   Reserved41_IRQHandler                     /* Reserved interrupt */
-    .long   Reserved42_IRQHandler                     /* Reserved interrupt */
-    .long   USB0_NEEDCLK_IRQHandler                     /* USB Activity Wake-up Interrupt */
-    .long   USB0_IRQHandler                     /* USB device */
-    .long   RTC_IRQHandler                     /* RTC alarm and wake-up interrupts */
-    .long   Reserved46_IRQHandler                     /* Reserved interrupt */
-    .long   Reserved47_IRQHandler                     /* Reserved interrupt */
-
-    .size    __Vectors, . - __Vectors
-
-   .text
-    .thumb
-
-/* Reset Handler */
-    .thumb_func
-    .align 2
-    .globl   Reset_Handler
-    .weak    Reset_Handler
-    .type    Reset_Handler, %function
-Reset_Handler:
-    cpsid   i               /* Mask interrupts */
-
-#ifndef __NO_SYSTEM_INIT
-    ldr   r0,=SystemInit
-    blx   r0
-#endif
-/*     Loop to copy data from read only memory to RAM. The ranges
- *      of copy from/to are specified by following symbols evaluated in
- *      linker script.
- *      __etext: End of code section, i.e., begin of data sections to copy from.
- *      __data_start__/__data_end__: RAM address range that data should be
- *      copied to. Both must be aligned to 4 bytes boundary.  */
-
-    ldr    r1, =__etext
-    ldr    r2, =__data_start__
-    ldr    r3, =__data_end__
-
-    subs    r3, r2
-    ble     .LC0
-
-.LC1:
-    subs    r3, 4
-    ldr    r0, [r1,r3]
-    str    r0, [r2,r3]
-    bgt    .LC1
-.LC0:
-
-#ifdef __STARTUP_CLEAR_BSS
-/*     This part of work usually is done in C library startup code. Otherwise,
- *     define this macro to enable it in this startup.
- *
- *     Loop to zero out BSS section, which uses following symbols
- *     in linker script:
- *      __bss_start__: start of BSS section. Must align to 4
- *      __bss_end__: end of BSS section. Must align to 4
- */
-    ldr r1, =__bss_start__
-    ldr r2, =__bss_end__
-
-    subs    r2, r1
-    ble .LC3
-
-    movs    r0, 0
-.LC2:
-    str r0, [r1, r2]
-    subs    r2, 4
-    bge .LC2
-.LC3:
-#endif
-    cpsie   i               /* Unmask interrupts */
-
-#ifndef __START
-#define __START _start
-#endif
-#ifndef __ATOLLIC__
-    ldr   r0,=__START
-    blx   r0
-#else
-    ldr   r0,=__libc_init_array
-    blx   r0
-    ldr   r0,=main
-    bx    r0
-#endif
-    .pool
-    .size Reset_Handler, . - Reset_Handler
-
-    .align  1
-    .thumb_func
-    .weak DefaultISR
-    .type DefaultISR, %function
-DefaultISR:
-    ldr r0, =DefaultISR
-    bx r0
-    .size DefaultISR, . - DefaultISR
-
-    .align 1
-    .thumb_func
-    .weak NMI_Handler
-    .type NMI_Handler, %function
-NMI_Handler:
-    ldr   r0,=NMI_Handler
-    bx    r0
-    .size NMI_Handler, . - NMI_Handler
-
-    .align 1
-    .thumb_func
-    .weak HardFault_Handler
-    .type HardFault_Handler, %function
-HardFault_Handler:
-    ldr   r0,=HardFault_Handler
-    bx    r0
-    .size HardFault_Handler, . - HardFault_Handler
-
-    .align 1
-    .thumb_func
-    .weak SVC_Handler
-    .type SVC_Handler, %function
-SVC_Handler:
-    ldr   r0,=SVC_Handler
-    bx    r0
-    .size SVC_Handler, . - SVC_Handler
-
-    .align 1
-    .thumb_func
-    .weak PendSV_Handler
-    .type PendSV_Handler, %function
-PendSV_Handler:
-    ldr   r0,=PendSV_Handler
-    bx    r0
-    .size PendSV_Handler, . - PendSV_Handler
-
-    .align 1
-    .thumb_func
-    .weak SysTick_Handler
-    .type SysTick_Handler, %function
-SysTick_Handler:
-    ldr   r0,=SysTick_Handler
-    bx    r0
-    .size SysTick_Handler, . - SysTick_Handler
-
-    .align 1
-    .thumb_func
-    .weak WDT_BOD_IRQHandler
-    .type WDT_BOD_IRQHandler, %function
-WDT_BOD_IRQHandler:
-    ldr   r0,=WDT_BOD_DriverIRQHandler
-    bx    r0
-    .size WDT_BOD_IRQHandler, . - WDT_BOD_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak DMA0_IRQHandler
-    .type DMA0_IRQHandler, %function
-DMA0_IRQHandler:
-    ldr   r0,=DMA0_DriverIRQHandler
-    bx    r0
-    .size DMA0_IRQHandler, . - DMA0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak GINT0_IRQHandler
-    .type GINT0_IRQHandler, %function
-GINT0_IRQHandler:
-    ldr   r0,=GINT0_DriverIRQHandler
-    bx    r0
-    .size GINT0_IRQHandler, . - GINT0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak GINT1_IRQHandler
-    .type GINT1_IRQHandler, %function
-GINT1_IRQHandler:
-    ldr   r0,=GINT1_DriverIRQHandler
-    bx    r0
-    .size GINT1_IRQHandler, . - GINT1_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak PIN_INT0_IRQHandler
-    .type PIN_INT0_IRQHandler, %function
-PIN_INT0_IRQHandler:
-    ldr   r0,=PIN_INT0_DriverIRQHandler
-    bx    r0
-    .size PIN_INT0_IRQHandler, . - PIN_INT0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak PIN_INT1_IRQHandler
-    .type PIN_INT1_IRQHandler, %function
-PIN_INT1_IRQHandler:
-    ldr   r0,=PIN_INT1_DriverIRQHandler
-    bx    r0
-    .size PIN_INT1_IRQHandler, . - PIN_INT1_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak PIN_INT2_IRQHandler
-    .type PIN_INT2_IRQHandler, %function
-PIN_INT2_IRQHandler:
-    ldr   r0,=PIN_INT2_DriverIRQHandler
-    bx    r0
-    .size PIN_INT2_IRQHandler, . - PIN_INT2_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak PIN_INT3_IRQHandler
-    .type PIN_INT3_IRQHandler, %function
-PIN_INT3_IRQHandler:
-    ldr   r0,=PIN_INT3_DriverIRQHandler
-    bx    r0
-    .size PIN_INT3_IRQHandler, . - PIN_INT3_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak UTICK0_IRQHandler
-    .type UTICK0_IRQHandler, %function
-UTICK0_IRQHandler:
-    ldr   r0,=UTICK0_DriverIRQHandler
-    bx    r0
-    .size UTICK0_IRQHandler, . - UTICK0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak MRT0_IRQHandler
-    .type MRT0_IRQHandler, %function
-MRT0_IRQHandler:
-    ldr   r0,=MRT0_DriverIRQHandler
-    bx    r0
-    .size MRT0_IRQHandler, . - MRT0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak CTIMER0_IRQHandler
-    .type CTIMER0_IRQHandler, %function
-CTIMER0_IRQHandler:
-    ldr   r0,=CTIMER0_DriverIRQHandler
-    bx    r0
-    .size CTIMER0_IRQHandler, . - CTIMER0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak CTIMER1_IRQHandler
-    .type CTIMER1_IRQHandler, %function
-CTIMER1_IRQHandler:
-    ldr   r0,=CTIMER1_DriverIRQHandler
-    bx    r0
-    .size CTIMER1_IRQHandler, . - CTIMER1_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak SCT0_IRQHandler
-    .type SCT0_IRQHandler, %function
-SCT0_IRQHandler:
-    ldr   r0,=SCT0_DriverIRQHandler
-    bx    r0
-    .size SCT0_IRQHandler, . - SCT0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak CTIMER3_IRQHandler
-    .type CTIMER3_IRQHandler, %function
-CTIMER3_IRQHandler:
-    ldr   r0,=CTIMER3_DriverIRQHandler
-    bx    r0
-    .size CTIMER3_IRQHandler, . - CTIMER3_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak FLEXCOMM0_IRQHandler
-    .type FLEXCOMM0_IRQHandler, %function
-FLEXCOMM0_IRQHandler:
-    ldr   r0,=FLEXCOMM0_DriverIRQHandler
-    bx    r0
-    .size FLEXCOMM0_IRQHandler, . - FLEXCOMM0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak FLEXCOMM1_IRQHandler
-    .type FLEXCOMM1_IRQHandler, %function
-FLEXCOMM1_IRQHandler:
-    ldr   r0,=FLEXCOMM1_DriverIRQHandler
-    bx    r0
-    .size FLEXCOMM1_IRQHandler, . - FLEXCOMM1_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak FLEXCOMM2_IRQHandler
-    .type FLEXCOMM2_IRQHandler, %function
-FLEXCOMM2_IRQHandler:
-    ldr   r0,=FLEXCOMM2_DriverIRQHandler
-    bx    r0
-    .size FLEXCOMM2_IRQHandler, . - FLEXCOMM2_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak FLEXCOMM3_IRQHandler
-    .type FLEXCOMM3_IRQHandler, %function
-FLEXCOMM3_IRQHandler:
-    ldr   r0,=FLEXCOMM3_DriverIRQHandler
-    bx    r0
-    .size FLEXCOMM3_IRQHandler, . - FLEXCOMM3_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak FLEXCOMM4_IRQHandler
-    .type FLEXCOMM4_IRQHandler, %function
-FLEXCOMM4_IRQHandler:
-    ldr   r0,=FLEXCOMM4_DriverIRQHandler
-    bx    r0
-    .size FLEXCOMM4_IRQHandler, . - FLEXCOMM4_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak FLEXCOMM5_IRQHandler
-    .type FLEXCOMM5_IRQHandler, %function
-FLEXCOMM5_IRQHandler:
-    ldr   r0,=FLEXCOMM5_DriverIRQHandler
-    bx    r0
-    .size FLEXCOMM5_IRQHandler, . - FLEXCOMM5_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak FLEXCOMM6_IRQHandler
-    .type FLEXCOMM6_IRQHandler, %function
-FLEXCOMM6_IRQHandler:
-    ldr   r0,=FLEXCOMM6_DriverIRQHandler
-    bx    r0
-    .size FLEXCOMM6_IRQHandler, . - FLEXCOMM6_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak FLEXCOMM7_IRQHandler
-    .type FLEXCOMM7_IRQHandler, %function
-FLEXCOMM7_IRQHandler:
-    ldr   r0,=FLEXCOMM7_DriverIRQHandler
-    bx    r0
-    .size FLEXCOMM7_IRQHandler, . - FLEXCOMM7_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak ADC0_SEQA_IRQHandler
-    .type ADC0_SEQA_IRQHandler, %function
-ADC0_SEQA_IRQHandler:
-    ldr   r0,=ADC0_SEQA_DriverIRQHandler
-    bx    r0
-    .size ADC0_SEQA_IRQHandler, . - ADC0_SEQA_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak ADC0_SEQB_IRQHandler
-    .type ADC0_SEQB_IRQHandler, %function
-ADC0_SEQB_IRQHandler:
-    ldr   r0,=ADC0_SEQB_DriverIRQHandler
-    bx    r0
-    .size ADC0_SEQB_IRQHandler, . - ADC0_SEQB_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak ADC0_THCMP_IRQHandler
-    .type ADC0_THCMP_IRQHandler, %function
-ADC0_THCMP_IRQHandler:
-    ldr   r0,=ADC0_THCMP_DriverIRQHandler
-    bx    r0
-    .size ADC0_THCMP_IRQHandler, . - ADC0_THCMP_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak Reserved41_IRQHandler
-    .type Reserved41_IRQHandler, %function
-Reserved41_IRQHandler:
-    ldr   r0,=Reserved41_DriverIRQHandler
-    bx    r0
-    .size Reserved41_IRQHandler, . - Reserved41_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak Reserved42_IRQHandler
-    .type Reserved42_IRQHandler, %function
-Reserved42_IRQHandler:
-    ldr   r0,=Reserved42_DriverIRQHandler
-    bx    r0
-    .size Reserved42_IRQHandler, . - Reserved42_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak USB0_NEEDCLK_IRQHandler
-    .type USB0_NEEDCLK_IRQHandler, %function
-USB0_NEEDCLK_IRQHandler:
-    ldr   r0,=USB0_NEEDCLK_DriverIRQHandler
-    bx    r0
-    .size USB0_NEEDCLK_IRQHandler, . - USB0_NEEDCLK_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak USB0_IRQHandler
-    .type USB0_IRQHandler, %function
-USB0_IRQHandler:
-    ldr   r0,=USB0_DriverIRQHandler
-    bx    r0
-    .size USB0_IRQHandler, . - USB0_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak RTC_IRQHandler
-    .type RTC_IRQHandler, %function
-RTC_IRQHandler:
-    ldr   r0,=RTC_DriverIRQHandler
-    bx    r0
-    .size RTC_IRQHandler, . - RTC_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak Reserved46_IRQHandler
-    .type Reserved46_IRQHandler, %function
-Reserved46_IRQHandler:
-    ldr   r0,=Reserved46_DriverIRQHandler
-    bx    r0
-    .size Reserved46_IRQHandler, . - Reserved46_IRQHandler
-
-    .align 1
-    .thumb_func
-    .weak Reserved47_IRQHandler
-    .type Reserved47_IRQHandler, %function
-Reserved47_IRQHandler:
-    ldr   r0,=Reserved47_DriverIRQHandler
-    bx    r0
-    .size Reserved47_IRQHandler, . - Reserved47_IRQHandler
-
-/*    Macro to define default handlers. Default handler
- *    will be weak symbol and just dead loops. They can be
- *    overwritten by other handlers */
-    .macro def_irq_handler  handler_name
-    .weak \handler_name
-    .set  \handler_name, DefaultISR
-    .endm
-    def_irq_handler    WDT_BOD_DriverIRQHandler
-    def_irq_handler    DMA0_DriverIRQHandler
-    def_irq_handler    GINT0_DriverIRQHandler
-    def_irq_handler    GINT1_DriverIRQHandler
-    def_irq_handler    PIN_INT0_DriverIRQHandler
-    def_irq_handler    PIN_INT1_DriverIRQHandler
-    def_irq_handler    PIN_INT2_DriverIRQHandler
-    def_irq_handler    PIN_INT3_DriverIRQHandler
-    def_irq_handler    UTICK0_DriverIRQHandler
-    def_irq_handler    MRT0_DriverIRQHandler
-    def_irq_handler    CTIMER0_DriverIRQHandler
-    def_irq_handler    CTIMER1_DriverIRQHandler
-    def_irq_handler    SCT0_DriverIRQHandler
-    def_irq_handler    CTIMER3_DriverIRQHandler
-    def_irq_handler    FLEXCOMM0_DriverIRQHandler
-    def_irq_handler    FLEXCOMM1_DriverIRQHandler
-    def_irq_handler    FLEXCOMM2_DriverIRQHandler
-    def_irq_handler    FLEXCOMM3_DriverIRQHandler
-    def_irq_handler    FLEXCOMM4_DriverIRQHandler
-    def_irq_handler    FLEXCOMM5_DriverIRQHandler
-    def_irq_handler    FLEXCOMM6_DriverIRQHandler
-    def_irq_handler    FLEXCOMM7_DriverIRQHandler
-    def_irq_handler    ADC0_SEQA_DriverIRQHandler
-    def_irq_handler    ADC0_SEQB_DriverIRQHandler
-    def_irq_handler    ADC0_THCMP_DriverIRQHandler
-    def_irq_handler    Reserved41_DriverIRQHandler
-    def_irq_handler    Reserved42_DriverIRQHandler
-    def_irq_handler    USB0_NEEDCLK_DriverIRQHandler
-    def_irq_handler    USB0_DriverIRQHandler
-    def_irq_handler    RTC_DriverIRQHandler
-    def_irq_handler    Reserved46_DriverIRQHandler
-    def_irq_handler    Reserved47_DriverIRQHandler
-
-    .end
diff --git a/hw/bsp/lpcxpresso54114/board.mk b/hw/bsp/lpcxpresso54114/board.mk
new file mode 100644
index 000000000..bc49c3e30
--- /dev/null
+++ b/hw/bsp/lpcxpresso54114/board.mk
@@ -0,0 +1,47 @@
+CFLAGS += \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -DCORE_M4 \
+  -DCFG_TUSB_MCU=OPT_MCU_LPC54XXX \
+  -DCPU_LPC54114J256BD64_cm4 \
+  -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data")))' \
+  -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' 
+
+MCU_DIR = hw/mcu/nxp/lpc_driver/lpc54xxx/devices/LPC54114
+
+# All source paths should be relative to the top level.
+LD_FILE = $(MCU_DIR)/gcc/LPC54114J256_cm4_flash.ld
+
+SRC_C += \
+	$(MCU_DIR)/system_LPC54114_cm4.c \
+	$(MCU_DIR)/drivers/fsl_clock.c \
+	$(MCU_DIR)/drivers/fsl_gpio.c \
+	$(MCU_DIR)/drivers/fsl_power.c \
+	$(MCU_DIR)/drivers/fsl_reset.c
+
+INC += \
+	$(TOP)/hw/mcu/nxp/lpc_driver/lpc54xxx/CMSIS/Include \
+	$(TOP)/$(MCU_DIR) \
+	$(TOP)/$(MCU_DIR)/drivers
+
+SRC_S += $(MCU_DIR)/gcc/startup_LPC54114_cm4.S
+
+LIBS += $(TOP)/$(MCU_DIR)/gcc/libpower_cm4_hardabi.a
+
+# For TinyUSB port source
+VENDOR = nxp
+CHIP_FAMILY = lpc_ip3511
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM4
+
+# For flash-jlink target
+JLINK_DEVICE = LPC54114J256_M4
+JLINK_IF = swd
+
+# flash using pyocd
+flash: $(BUILD)/$(BOARD)-firmware.hex
+	pyocd flash -t LPC54114 $<
diff --git a/hw/bsp/lpcxpresso54114/lpcxpresso54114.c b/hw/bsp/lpcxpresso54114/lpcxpresso54114.c
new file mode 100644
index 000000000..090c1a95e
--- /dev/null
+++ b/hw/bsp/lpcxpresso54114/lpcxpresso54114.c
@@ -0,0 +1,171 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018, hathach (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 "../board.h"
+#include "fsl_device_registers.h"
+#include "fsl_gpio.h"
+#include "fsl_power.h"
+#include "fsl_iocon.h"
+
+#define LED_PORT      0
+#define LED_PIN       29
+#define LED_STATE_ON  0
+
+// WAKE button
+#define BUTTON_PORT   0
+#define BUTTON_PIN    24
+
+// IOCON pin mux
+#define IOCON_PIO_DIGITAL_EN     0x80u   /*!<@brief Enables digital function */
+#define IOCON_PIO_FUNC0          0x00u
+#define IOCON_PIO_FUNC1          0x01u   /*!<@brief Selects pin function 1 */
+#define IOCON_PIO_FUNC7          0x07u   /*!<@brief Selects pin function 7 */
+#define IOCON_PIO_INPFILT_OFF    0x0100u /*!<@brief Input filter disabled */
+#define IOCON_PIO_INV_DI         0x00u   /*!<@brief Input function is not inverted */
+#define IOCON_PIO_MODE_INACT     0x00u   /*!<@brief No addition pin function */
+#define IOCON_PIO_MODE_PULLUP    0x10u
+#define IOCON_PIO_OPENDRAIN_DI   0x00u   /*!<@brief Open drain is disabled */
+#define IOCON_PIO_SLEW_STANDARD  0x00u   /*!<@brief Standard mode, output slew rate control is enabled */
+
+/****************************************************************
+name: BOARD_BootClockFROHF96M
+outputs:
+- {id: SYSTICK_clock.outFreq, value: 96 MHz}
+- {id: System_clock.outFreq, value: 96 MHz}
+settings:
+- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf}
+sources:
+- {id: SYSCON.fro_hf.outFreq, value: 96 MHz}
+******************************************************************/
+void BootClockFROHF96M(void)
+{
+  /*!< Set up the clock sources */
+  /*!< Set up FRO */
+  POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on  */
+  CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without
+                                             accidentally being below the voltage for current speed */
+  POWER_SetVoltageForFreq(96000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
+  CLOCK_SetFLASHAccessCyclesForFreq(96000000U); /*!< Set FLASH wait states for core */
+
+  CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */
+
+  /*!< Set up dividers */
+  CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false);     /*!< Set AHBCLKDIV divider to value 1 */
+
+  /*!< Set up clock selectors - Attach clocks to the peripheries */
+  CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */
+
+  /*!< Set SystemCoreClock variable. */
+  SystemCoreClock = 96000000U;
+}
+
+void board_init(void)
+{
+  // Enable IOCON clock
+  CLOCK_EnableClock(kCLOCK_Iocon);
+
+  // Enable GPIO0 clock
+  CLOCK_EnableClock(kCLOCK_Gpio0);
+
+  // Init 96 MHz clock
+  BootClockFROHF96M();
+
+#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
+
+  GPIO_PortInit(GPIO, LED_PORT);
+  GPIO_PortInit(GPIO, BUTTON_PORT);
+
+  // LED
+  gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 0};
+  GPIO_PinInit(GPIO, LED_PORT, LED_PIN, &led_config);
+  board_led_write(true);
+
+  // Button
+  gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0};
+  GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config);
+
+  // USB
+  const uint32_t port1_pin6_config = (
+    IOCON_PIO_FUNC7       | /* Pin is configured as USB0_VBUS */
+    IOCON_PIO_MODE_INACT  | /* No addition pin function */
+    IOCON_PIO_INV_DI      | /* Input function is not inverted */
+    IOCON_PIO_DIGITAL_EN  | /* Enables digital function */
+    IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
+    IOCON_PIO_OPENDRAIN_DI  /* Open drain is disabled */
+  );
+  IOCON_PinMuxSet(IOCON, 1, 6, port1_pin6_config); /* PORT1 PIN6 (coords: 26) is configured as USB0_VBUS */
+
+  POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY); /*Turn on USB Phy */
+  CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcFro, CLOCK_GetFreq(kCLOCK_FroHf)); /* enable USB IP clock */
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+}
+
+uint32_t board_button_read(void)
+{
+  // active low
+  return 1-GPIO_PinRead(GPIO, 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)
+{
+  (void) buf;
+  (void) len;
+  return 0;
+}
+
+#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/mcu/nxp/lpc_driver b/hw/mcu/nxp/lpc_driver
-Subproject dee2dad8e9246afdad7c6ed0e331b2f79f21fb8
+Subproject d57fc04da5d0cdac43e408cfce61ce347220f47
diff --git a/src/class/hid/hid_device.c b/src/class/hid/hid_device.c
index 949fd183d..572f2cad2 100644
--- a/src/class/hid/hid_device.c
+++ b/src/class/hid/hid_device.c
@@ -178,7 +178,7 @@ bool hidd_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t
 

   p_hid->boot_mode = false; // default mode is REPORT

   p_hid->itf_num   = desc_itf->bInterfaceNumber;

-  p_hid->reprot_desc_len  = desc_hid->wReportLength;

+  memcpy(&p_hid->reprot_desc_len, &desc_hid->wReportLength, 2);

 

   *p_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t);

 

diff --git a/src/class/msc/msc_device.c b/src/class/msc/msc_device.c
index 2ec8962ae..a77282ed5 100644
--- a/src/class/msc/msc_device.c
+++ b/src/class/msc/msc_device.c
@@ -44,6 +44,7 @@ enum
 

 typedef struct

 {

+  // TODO optimize alignment

   CFG_TUSB_MEM_ALIGN msc_cbw_t cbw;

   CFG_TUSB_MEM_ALIGN msc_csw_t csw;

 

diff --git a/src/portable/nxp/lpc_usbd/dcd_lpc_usbd.c b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
index 223c39c1a..0f0858b1b 100644
--- a/src/portable/nxp/lpc_usbd/dcd_lpc_usbd.c
+++ b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
@@ -26,7 +26,7 @@
 
 #include "tusb_option.h"
 
-/* Since 2012 starting with LPC11uxx, NXP start to use common USB Device Controller
+/* Since 2012 starting with LPC11uxx, NXP start to use common USB Device Controller with code name LPC IP3511
  * for almost their new MCUs. Currently supported and tested families are
  * - LPC11Uxx
  * - LPC13xx
@@ -38,14 +38,15 @@
 
 #if TUSB_OPT_DEVICE_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_LPC11UXX || \
                                  CFG_TUSB_MCU == OPT_MCU_LPC13XX  || \
-                                 CFG_TUSB_MCU == OPT_MCU_LPC51UXX )
+                                 CFG_TUSB_MCU == OPT_MCU_LPC51UXX || \
+                                 CFG_TUSB_MCU == OPT_MCU_LPC54XXX )
 
 #if CFG_TUSB_MCU == OPT_MCU_LPC11UXX || CFG_TUSB_MCU == OPT_MCU_LPC13XX
   // LPC11Uxx and LPC13xx use lpcopen
   #include "chip.h"
   #define DCD_REGS        LPC_USB
   #define DCD_IRQHandler  USB_IRQHandler
-#elif CFG_TUSB_MCU == OPT_MCU_LPC51UXX
+#elif CFG_TUSB_MCU == OPT_MCU_LPC51UXX || CFG_TUSB_MCU == OPT_MCU_LPC54XXX
   #include "fsl_device_registers.h"
   #define DCD_REGS        USB0
   #define DCD_IRQHandler  USB0_IRQHandler
@@ -60,19 +61,20 @@
 // Number of endpoints
 #define EP_COUNT 10
 
-// only SRAM1 & USB RAM can be used for transfer
+// only SRAM1 & USB RAM can be used for transfer.
+// Used to set DATABUFSTART which is 22-bit aligned
 // 2000 0000 to 203F FFFF
 #define SRAM_REGION   0x20000000
 
-/* Although device controller are the same. DMA of
- * - M0/M+ can only transfer up to nbytes = 64
- * - M3/M4 can transfer nbytes = 1023 (maximum)
+/* Although device controller are the same. Somehow only LPC134x can execute
+ * DMA with 1023 bytes for Bulk/Control. Others (11u, 51u, 54xxx) can only work
+ * with max 64 bytes
  */
 enum {
-  #ifdef __ARM_ARCH_6M__ // Cortex M0/M0+
-    DMA_NBYTES_MAX = 64
-  #else
+  #if CFG_TUSB_MCU == OPT_MCU_LPC13XX
     DMA_NBYTES_MAX = 1023
+  #else
+    DMA_NBYTES_MAX = 64
   #endif
 };
 
diff --git a/src/tusb_option.h b/src/tusb_option.h
index bf1fac6ea..83a5c119b 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -43,6 +43,7 @@
 #define OPT_MCU_LPC40XX         7 ///< NXP LPC40xx

 #define OPT_MCU_LPC43XX         8 ///< NXP LPC43xx

 #define OPT_MCU_LPC51UXX        9 ///< NXP LPC51U6x

+#define OPT_MCU_LPC54XXX       10 ///< NXP LPC54xxx

 

 #define OPT_MCU_NRF5X         100 ///< Nordic nRF5x series