diff --git a/bsp/tm4c129x/applications/application.c b/bsp/tm4c129x/applications/application.c
index 984e6221573a44d23904baa9377c1cdc3ea32284..0ed8ab21d49af06ffd62d42ae19758dc90dca969 100644
--- a/bsp/tm4c129x/applications/application.c
+++ b/bsp/tm4c129x/applications/application.c
@@ -13,23 +13,13 @@
  */
 
 #include <rtthread.h>
-#include <board.h>
 #include <components.h>
 
-#ifdef RT_USING_LWIP
-#include "drv_eth.h"
-#endif
 /* thread phase init */
 void rt_init_thread_entry(void *parameter)
 {
     /* Initialization RT-Thread Components */
     rt_components_init();
-#ifdef RT_USING_FINSH
-    finsh_set_device(RT_CONSOLE_DEVICE_NAME);
-#endif
-#ifdef RT_USING_LWIP
-    rt_hw_tiva_eth_init();
-#endif
 }
 
 int rt_application_init(void)
@@ -42,3 +32,4 @@ int rt_application_init(void)
 
     return 0;
 }
+
diff --git a/bsp/tm4c129x/applications/board.c b/bsp/tm4c129x/applications/board.c
index 2953e76c58dae162a6e033d67c7a72c4b330f539..b0b3bd649adc94def15ee54a70ee216be0ec50b5 100644
--- a/bsp/tm4c129x/applications/board.c
+++ b/bsp/tm4c129x/applications/board.c
@@ -15,9 +15,9 @@
 
 #include <rthw.h>
 #include <rtthread.h>
-
+#include <components.h>
 #include "board.h"
-#include "drv_uart.h"
+
 
 #include "driverlib/interrupt.h"
 #include "driverlib/sysctl.h"
@@ -61,23 +61,27 @@ extern void HardFault_Handler(void);
  */
 void rt_hw_board_init()
 {
-  MAP_IntMasterDisable();
+    //init low level drivers. e.g. cpu uart etc.
+    rt_components_board_init();
+    //redirect RTT stdio to CONSOLE device
+    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
+}
+
+int rt_hw_cpu_init(void)
+{
+    MAP_IntMasterDisable();
     IntRegister(FAULT_HARD, HardFault_Handler);	
     IntRegister(FAULT_PENDSV, PendSV_Handler);
     IntRegister(FAULT_SYSTICK, SysTick_Handler);
     
-	  //
     // Enable lazy stacking for interrupt handlers.  This allows floating-point
     // instructions to be used within interrupt handlers, but at the expense of
     // extra stack usage.
-    //
     MAP_FPULazyStackingEnable();
 
-    //
     // Set the clocking to run directly from the external crystal/oscillator.
     // TODO: The SYSCTL_XTAL_ value must be changed to match the value of the
     // crystal on your board.
-    //
     SysClock = MAP_SysCtlClockFreqSet(
                 (SYSCTL_XTAL_25MHZ | SYSCTL_OSC_MAIN | SYSCTL_USE_PLL | SYSCTL_CFG_VCO_480),
                 SYS_CLOCK_DEFAULT);
@@ -89,13 +93,11 @@ void rt_hw_board_init()
 
     /* set pend exception priority */
     //IntPrioritySet(FAULT_PENDSV, (1 << 5) - 1);
-    
-    /*init uart device*/		
-    rt_hw_uart_init();
-    //redirect RTT stdio to CONSOLE device
-    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
-    //
-    // Enable interrupts to the processor.
-    //
-	  MAP_IntMasterEnable();
+
+    /*Enable interrupts to the processor.*/
+    MAP_IntMasterEnable();
+    return 0;
 }
+// rt_hw_cpu_init should be run before any other INIT_BOARD_EXPORT
+// We use INIT_EXPORT here and set the sequence index to "0.xxxx"
+INIT_EXPORT(rt_hw_cpu_init, "0.post");
\ No newline at end of file
diff --git a/bsp/tm4c129x/drivers/drv_eth.c b/bsp/tm4c129x/drivers/drv_eth.c
index 1355f533cfed574538c55e46284a7bbd366363cb..9d68a5d718f33cd652f6fd6dbc1dd63d3b231ecd 100644
--- a/bsp/tm4c129x/drivers/drv_eth.c
+++ b/bsp/tm4c129x/drivers/drv_eth.c
@@ -146,6 +146,8 @@ extern void lwIPHostGetTime(u32_t *time_s, u32_t *time_ns);
 #include "lwipopts.h"
 #include "drv_eth.h"
 
+#include <components.h>
+
 /**
  * A structure used to keep track of driver state and error counts.
  */
@@ -1378,7 +1380,7 @@ static struct pbuf* eth_dev_rx(rt_device_t dev)
 	return (result == RT_EOK)? (struct pbuf*)temp : RT_NULL;
 }
 
-rt_err_t rt_hw_tiva_eth_init(void)
+int rt_hw_tiva_eth_init(void)
 {
 	rt_err_t result;
 
@@ -1406,6 +1408,11 @@ rt_err_t rt_hw_tiva_eth_init(void)
 	result = eth_device_init(&(eth_dev->parent), "e0");
 	return result;
 }
+// eth_device_init using malloc
+// We use INIT_COMPONENT_EXPORT insted of INIT_BOARD_EXPORT
+INIT_COMPONENT_EXPORT(rt_hw_tiva_eth_init);
+
+
 #if 0
 #ifdef RT_USING_FINSH
 #include "finsh.h"
diff --git a/bsp/tm4c129x/drivers/drv_eth.h b/bsp/tm4c129x/drivers/drv_eth.h
index 5f27139d5f6fcb483d4056b391d076e1ce0c3e8a..54431405fe0797ce399c0b8b0e763c3cb0a18792 100644
--- a/bsp/tm4c129x/drivers/drv_eth.h
+++ b/bsp/tm4c129x/drivers/drv_eth.h
@@ -15,6 +15,6 @@
 #ifndef __TIVA_ETH_H__
 #define __TIVA_ETH_H__
 
-rt_err_t rt_hw_tiva_eth_init(void);
+int rt_hw_tiva_eth_init(void);
 
 #endif
diff --git a/bsp/tm4c129x/drivers/drv_uart.c b/bsp/tm4c129x/drivers/drv_uart.c
index 20ce0db22495f8d231b8a011e7c569c8e7b66481..73652789914bd092fbdd19d8ee8bc055159de5e4 100644
--- a/bsp/tm4c129x/drivers/drv_uart.c
+++ b/bsp/tm4c129x/drivers/drv_uart.c
@@ -18,7 +18,7 @@
 #include <rtdevice.h>
 
 #include "board.h"
-//#include <components.h>
+#include <components.h>
 
 #include "inc/hw_memmap.h"
 #include "driverlib/sysctl.h"
@@ -220,4 +220,4 @@ int rt_hw_uart_init(void)
 #endif
 	return 0;
 }
-//INIT_BOARD_EXPORT(rt_hw_uart_init);
+INIT_BOARD_EXPORT(rt_hw_uart_init);
diff --git a/bsp/tm4c129x/libraries/SConscript b/bsp/tm4c129x/libraries/SConscript
index 02874cac120f1b541b1db68ccfd29030dc396ed0..8b48a34c7d9f0dad25c75173a0b0431cf90f3272 100644
--- a/bsp/tm4c129x/libraries/SConscript
+++ b/bsp/tm4c129x/libraries/SConscript
@@ -14,8 +14,6 @@ elif rtconfig.CROSS_TOOL == 'keil':
 	src += ['startup/startup_rvmdk.S']
 elif rtconfig.CROSS_TOOL == 'iar':
 	src += ['startup/startup_ewarm.c']
-elif rtconfig.CROSS_TOOL == 'ccs':
-	src += ['startup/startup_ccs.c']
 
 CPPPATH = [cwd, cwd + '/inc', cwd + '/driverlib']
 
diff --git a/bsp/tm4c129x/rtconfig.h b/bsp/tm4c129x/rtconfig.h
index 9d76c80f062587f5cd9cf65a1d6b3c09f115cb24..c00e4537ad6c517913106a13a09a2eb6f8831984 100644
--- a/bsp/tm4c129x/rtconfig.h
+++ b/bsp/tm4c129x/rtconfig.h
@@ -180,19 +180,19 @@
 // <bool name="RT_LWIP_DNS" description="Enable DNS protocol" default="true" />
 #define RT_LWIP_DNS
 // <integer name="RT_LWIP_PBUF_NUM" description="Maximal number of buffers in the pbuf pool" default="4" />
-#define RT_LWIP_PBUF_NUM    4
+#define RT_LWIP_PBUF_NUM    8
 // <integer name="RT_LWIP_TCP_PCB_NUM" description="Maximal number of simultaneously active TCP connections" default="5" />
-#define RT_LWIP_TCP_PCB_NUM 3
+#define RT_LWIP_TCP_PCB_NUM 5
 // <integer name="RT_LWIP_TCP_SND_BUF" description="TCP sender buffer size" default="8192" />
-#define RT_LWIP_TCP_SND_BUF 4086
+#define RT_LWIP_TCP_SND_BUF 8192
 // <integer name="RT_LWIP_TCP_WND" description="TCP receive window" default="8192" />
-#define RT_LWIP_TCP_WND 2048
+#define RT_LWIP_TCP_WND 8192
 // <bool name="RT_LWIP_SNMP" description="Enable SNMP protocol" default="false" />
 // #define RT_LWIP_SNMP
 // <bool name="RT_LWIP_DHCP" description="Enable DHCP client to get IP address" default="false" />
-// #define RT_LWIP_DHCP
+ #define RT_LWIP_DHCP
 // <integer name="RT_LWIP_TCP_SEG_NUM" description="the number of simultaneously queued TCP" default="4" />
-#define RT_LWIP_TCP_SEG_NUM 12
+#define RT_LWIP_TCP_SEG_NUM 24
 // <integer name="RT_LWIP_TCPTHREAD_PRIORITY" description="the thread priority of TCP thread" default="128" />
 #define RT_LWIP_TCPTHREAD_PRIORITY  12
 // <integer name="RT_LWIP_TCPTHREAD_MBOX_SIZE" description="the mail box size of TCP thread to wait for" default="32" />
diff --git a/bsp/tm4c129x/rtconfig.py b/bsp/tm4c129x/rtconfig.py
index 93e3f3e2572d0e3693bc28d7ba1c97f68d3e5787..ba3fc51c935fa3f28535dcd7ff12a62133d0cbe7 100644
--- a/bsp/tm4c129x/rtconfig.py
+++ b/bsp/tm4c129x/rtconfig.py
@@ -29,8 +29,8 @@ elif CROSS_TOOL == 'iar':
 if os.getenv('RTT_EXEC_PATH'):
 	EXEC_PATH = os.getenv('RTT_EXEC_PATH')
 
-BUILD = 'debug'
-#BUILD = 'release'
+#BUILD = 'debug'
+BUILD = 'release'
 
 if PLATFORM == 'gcc':
     # tool-chains
diff --git a/bsp/tm4c129x/template.uvproj b/bsp/tm4c129x/template.uvproj
index 1a84ba0131e2121ce95ee231f19e574c1298610f..342711d8becf303f8f6ef8f866df48bf593d4a25 100644
--- a/bsp/tm4c129x/template.uvproj
+++ b/bsp/tm4c129x/template.uvproj
@@ -12,26 +12,26 @@
       <ToolsetName>ARM-ADS</ToolsetName>
       <TargetOption>
         <TargetCommonOption>
-          <Device>TM4C129XNCZAD</Device>
+          <Device>TM4C1294NCPDT</Device>
           <Vendor>Texas Instruments</Vendor>
           <PackID>Keil.TM4C_DFP.1.0.0</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IROM(0x00000000,0x100000) IRAM(0x20000000,0x040000) CPUTYPE("Cortex-M4") FPU2 CLOCK(120000000) ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
           <StartupFile></StartupFile>
-          <FlashDriverDll>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0TM4C129_1024 -FS00 -FL0100000 -FP0($$Device:TM4C129XNCZAD$Flash\TM4C129_1024.FLM))</FlashDriverDll>
-          <DeviceId>7096</DeviceId>
-          <RegisterFile>$$Device:TM4C129XNCZAD$Device\Include\TM4C129\TM4C129.h</RegisterFile>
+          <FlashDriverDll>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0TM4C129_1024 -FS00 -FL0100000 -FP0($$Device:TM4C1294NCPDT$Flash\TM4C129_1024.FLM))</FlashDriverDll>
+          <DeviceId>7088</DeviceId>
+          <RegisterFile>$$Device:TM4C1294NCPDT$Device\Include\TM4C129\TM4C129.h</RegisterFile>
           <MemoryEnv></MemoryEnv>
           <Cmp></Cmp>
           <Asm></Asm>
           <Linker></Linker>
           <OHString></OHString>
           <InfinionOptionDll></InfinionOptionDll>
-          <SLE66CMisc>-DTM4C129XNCZAD</SLE66CMisc>
+          <SLE66CMisc>-DTM4C1294NCPDT</SLE66CMisc>
           <SLE66AMisc></SLE66AMisc>
           <SLE66LinkerMisc></SLE66LinkerMisc>
-          <SFDFile>$$Device:TM4C129XNCZAD$SVD\TM4C129\TM4C129XNCZAD.svd</SFDFile>
+          <SFDFile>$$Device:TM4C1294NCPDT$SVD\TM4C129\TM4C1294NCPDT.svd</SFDFile>
           <bCustSvd>0</bCustSvd>
           <UseEnv>0</UseEnv>
           <BinPath></BinPath>
@@ -52,7 +52,7 @@
           <CreateLib>0</CreateLib>
           <CreateHexFile>0</CreateHexFile>
           <DebugInformation>1</DebugInformation>
-          <BrowseInformation>0</BrowseInformation>
+          <BrowseInformation>1</BrowseInformation>
           <ListingPath>.\</ListingPath>
           <HexFormatSelection>1</HexFormatSelection>
           <Merge32K>0</Merge32K>
@@ -148,7 +148,7 @@
             <UsePdscDebugDescription>1</UsePdscDebugDescription>
           </Target>
           <RunDebugAfterBuild>0</RunDebugAfterBuild>
-          <TargetSelection>3</TargetSelection>
+          <TargetSelection>6</TargetSelection>
           <SimDlls>
             <CpuDll></CpuDll>
             <CpuDllArguments></CpuDllArguments>
@@ -162,7 +162,7 @@
             <PeripheralDll></PeripheralDll>
             <PeripheralDllArguments></PeripheralDllArguments>
             <InitializationFile></InitializationFile>
-            <Driver>BIN\lmidk-agdi.dll</Driver>
+            <Driver>Segger\JL2CM3.dll</Driver>
           </TargetDlls>
         </DebugOption>
         <Utilities>
diff --git a/bsp/tm4c129x/tm4c_rom.icf b/bsp/tm4c129x/tm4c_rom.icf
index b09595243de9075c614a190ae3372505c6cfa0fc..c5838c98ea1a7a037c812ff08302b07cde74623f 100644
--- a/bsp/tm4c129x/tm4c_rom.icf
+++ b/bsp/tm4c129x/tm4c_rom.icf
@@ -77,4 +77,5 @@ place at start of SRAM { section VTABLE };
 //
 place in SRAM { readwrite, block HEAP };
 keep { section FSymTab };
-keep { section VSymTab };
\ No newline at end of file
+keep { section VSymTab };
+keep { section .rti_fn* };
\ No newline at end of file