diff --git a/bsp/imxrt/Libraries/imxrt1050/drivers/drv_pin.c b/bsp/imxrt/Libraries/imxrt1050/drivers/drv_pin.c
index e834c1265f693b4fe38e3c3328e8d6767c77c4fa..3acc6ae60905ef03e3aad990e55638a24eec7588 100644
--- a/bsp/imxrt/Libraries/imxrt1050/drivers/drv_pin.c
+++ b/bsp/imxrt/Libraries/imxrt1050/drivers/drv_pin.c
@@ -362,7 +362,7 @@ void GPIO5_Combined_0_15_IRQHandler(void)
 
 static IRQn_Type rt1052_get_irqnum(GPIO_Type *gpio, rt_uint32_t gpio_pin)
 {
-    IRQn_Type irq_num = -100;  /* Invalid interrupt number */
+    IRQn_Type irq_num = NotAvail_IRQn;  /* Invalid interrupt number */
     
     if(gpio == GPIO1)
     {
diff --git a/bsp/imxrt/imxrt1050-evk/SConstruct b/bsp/imxrt/imxrt1050-evk/SConstruct
index 679e8a2b47d2113a87f8b92953f6c79a29a46b04..5f99b4eed1e00824fe85faec1ea3824699637927 100644
--- a/bsp/imxrt/imxrt1050-evk/SConstruct
+++ b/bsp/imxrt/imxrt1050-evk/SConstruct
@@ -2,7 +2,6 @@ import os
 import sys
 import rtconfig
 
-
 if os.getenv('RTT_ROOT'):
     RTT_ROOT = os.getenv('RTT_ROOT')
 else:
@@ -42,26 +41,9 @@ Export('RTT_ROOT')
 Export('rtconfig')
 
 # prepare building environment
-objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False)
+objs = PrepareBuilding(env, RTT_ROOT)
 
 objs = objs + SConscript('../Libraries/imxrt1050/SConscript')
 
 # make a building
 DoBuilding(TARGET, objs)
-
-def Update_MDKFlashProgrammingAlgorithm(flash_dict):
-    import xml.etree.ElementTree as etree
-    from utils import xml_indent
-
-    project_tree = etree.parse('project.uvoptx')
-    root = project_tree.getroot()
-    out = file('project.uvoptx', 'wb')
-
-    for elem in project_tree.iterfind('.//Target/TargetOption/TargetDriverDllRegistry/SetRegEntry'):
-        Key = elem.find('Key')
-        if Key.text in flash_dict.keys():
-            elem.find('Name').text = flash_dict[Key.text]
-
-    xml_indent(root)
-    out.write(etree.tostring(root, encoding='utf-8'))
-    out.close()
diff --git a/bsp/imxrt/imxrt1050-evk/flexspi_nor.ld b/bsp/imxrt/imxrt1050-evk/flexspi_nor.ld
new file mode 100644
index 0000000000000000000000000000000000000000..b8c229ae3cc7681902fc706b48ec7d4a1bb8f503
--- /dev/null
+++ b/bsp/imxrt/imxrt1050-evk/flexspi_nor.ld
@@ -0,0 +1,276 @@
+/*
+** ###################################################################
+**     Processors:          MIMXRT1052CVL5A
+**                          MIMXRT1052DVL6A
+**
+**     Compiler:            GNU C Compiler
+**     Reference manual:    IMXRT1050RM Rev.C, 08/2017
+**     Version:             rev. 0.1, 2017-01-10
+**     Build:               b170927
+**
+**     Abstract:
+**         Linker file for the GNU C Compiler
+**
+**     Copyright 2016 Freescale Semiconductor, Inc.
+**     Copyright 2016-2017 NXP
+**     Redistribution and use in source and binary forms, with or without modification,
+**     are permitted provided that the following conditions are met:
+**
+**     1. Redistributions of source code must retain the above copyright notice, this list
+**       of conditions and the following disclaimer.
+**
+**     2. Redistributions in binary form must reproduce the above copyright notice, this
+**       list of conditions and the following disclaimer in the documentation and/or
+**       other materials provided with the distribution.
+**
+**     3. Neither the name of the copyright holder nor the names of its
+**       contributors may be used to endorse or promote products derived from this
+**       software without specific prior written permission.
+**
+**     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+**     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+**     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+**     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+**     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+**     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+**     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+**     ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+**     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+**     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+**     http:                 www.nxp.com
+**     mail:                 support@nxp.com
+**
+** ###################################################################
+*/
+
+/* 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_boot_data           (RX)  : ORIGIN = 0x60000000, LENGTH = 0x00001000
+  m_image_vertor_table  (RX)  : ORIGIN = 0x60001000, LENGTH = 0x00001000
+
+  m_interrupts          (RX)  : ORIGIN = 0x60002000, LENGTH = 0x00000400
+  m_text                (RX)  : ORIGIN = 0x60002400, LENGTH = 0x1F7FDC00
+
+  m_itcm                (RW)  : ORIGIN = 0x00000000, LENGTH = 0x00020000
+  m_dtcm                (RW)  : ORIGIN = 0x20000000, LENGTH = 0x00020000
+  m_ocram               (RW)  : ORIGIN = 0x20200000, LENGTH = 0x00040000
+
+  m_sdram               (RW)  : ORIGIN = 0x80000000, LENGTH = 0x01E00000
+  m_nocache             (RW)  : ORIGIN = 0x81E00000, LENGTH = 0x00200000
+}
+
+/* Define output sections */
+SECTIONS
+{
+  .boot_data :
+  {
+    KEEP(*(.boot_hdr.conf))
+  } > m_boot_data
+
+  .image_vertor_table :
+  {
+    KEEP(*(.boot_hdr.ivt))
+    KEEP(*(.boot_hdr.boot_data))
+    KEEP(*(.boot_hdr.dcd_data))
+  } > m_image_vertor_table
+
+  /* The startup code goes first into internal RAM */
+  .interrupts :
+  {
+    __VECTOR_TABLE = .;
+    . = ALIGN(4);
+    KEEP(*(.isr_vector))     /* Startup code */
+    . = ALIGN(4);
+  } > m_interrupts
+
+  __VECTOR_RAM = __VECTOR_TABLE;
+  __RAM_VECTOR_TABLE_SIZE_BYTES = 0x0;
+
+  /* The program code and other data goes into internal RAM */
+  .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);
+
+    /* section information for finsh shell */
+    . = ALIGN(4);
+    __fsymtab_start = .;
+    KEEP(*(FSymTab))
+    __fsymtab_end = .;
+    . = ALIGN(4);
+    __vsymtab_start = .;
+    KEEP(*(VSymTab))
+    __vsymtab_end = .;
+    . = ALIGN(4);
+
+    /* section information for initial. */
+    . = ALIGN(4);
+    __rt_init_start = .;
+    KEEP(*(SORT(.rti_fn*)))
+    __rt_init_end = .;
+  } > m_text
+
+  .ARM.extab :
+  {
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+  } > m_text
+
+  .ARM :
+  {
+    __exidx_start = .;
+    *(.ARM.exidx*)
+    __exidx_end = .;
+  } > m_text
+
+ .ctors :
+  {
+    PROVIDE(__ctors_start__ = .);
+    /* __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__ = .; */
+    PROVIDE(__ctors_end__ = .);
+  } > m_text
+
+  .dtors :
+  {
+    PROVIDE(__dtors_start__ = .);
+    /* __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__ = .; */
+    PROVIDE(__dtors_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 */
+    *(m_usb_dma_init_data)
+    *(.data)                 /* .data sections */
+    *(.data*)                /* .data* sections */
+    KEEP(*(.jcr*))
+    . = ALIGN(4);
+    __data_end__ = .;        /* define a global symbol at data end */
+  } > m_dtcm
+
+  __NDATA_ROM = __DATA_ROM + (__data_end__ - __data_start__);
+  .ncache.init : AT(__NDATA_ROM)
+  {
+    __noncachedata_start__ = .;   /* create a global symbol at ncache data start */
+    *(NonCacheable.init)
+    . = ALIGN(4);
+    __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
+  } > m_nocache
+  . = __noncachedata_init_end__;
+  .ncache :
+  {
+    *(NonCacheable)
+    . = ALIGN(4);
+    __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
+  } > m_nocache
+
+  __DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_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__ = .;
+    *(m_usb_dma_noninit_data)
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+    . = ALIGN(4);
+    __bss_end__ = .;
+    __END_BSS = .;
+  } > m_dtcm
+
+  .stack :
+  {
+    . = ALIGN(8);
+    stack_start = .;
+    . += STACK_SIZE;
+    stack_end = .;
+    __StackTop = .;
+  } > m_dtcm
+  
+  .RTT_HEAP :
+  {
+    heap_start = .;
+    . = ALIGN(8);
+  } > m_dtcm
+
+  PROVIDE(heap_end = ORIGIN(m_dtcm) + LENGTH(m_dtcm));
+
+  .ARM.attributes 0 : { *(.ARM.attributes) }
+
+}
+
diff --git a/bsp/imxrt/imxrt1050-evk/rtconfig.py b/bsp/imxrt/imxrt1050-evk/rtconfig.py
index 086d884fe8f2ef62fb0e58c0126554d40d50178f..1b4257884f6b3397ab61f70be9cc3e86220a6b06 100644
--- a/bsp/imxrt/imxrt1050-evk/rtconfig.py
+++ b/bsp/imxrt/imxrt1050-evk/rtconfig.py
@@ -42,8 +42,8 @@ if PLATFORM == 'gcc':
 
     DEVICE = ' -mcpu=cortex-m7 -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard -ffunction-sections -fdata-sections'
     CFLAGS = DEVICE + ' -std=c99 -Wall -D__FPU_PRESENT -eentry'
-    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb '
-    LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread-imxrt-gcc.map,-cref,-u,Reset_Handler -T ./Libraries/gcc/MIMXRT1052xxxxx_flexspi_nor.ld'
+    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb -D__START=entry'
+    LFLAGS = DEVICE + ' -lm -lgcc -lc' + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread-imxrt-gcc.map,-cref,-u,Reset_Handler -T flexspi_nor.ld'
 
     CPATH = ''
     LPATH = ''
@@ -135,7 +135,7 @@ elif PLATFORM == 'iar':
     AFLAGS += ' --cpu Cortex-M7'
     AFLAGS += ' --fpu None'
 
-    LFLAGS = ' --config ./Libraries/iar/MIMXRT1052xxxxx_flexspi_nor.icf'
+    LFLAGS = ' --config flexspi_nor.icf'
     LFLAGS += ' --redirect _Printf=_PrintfTiny'
     LFLAGS += ' --redirect _Scanf=_ScanfSmall'
     LFLAGS += ' --entry __iar_program_start'