diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S

index 691e5d3..4496f2f 100755

--- a/arch/arm/cpu/armv7/start.S

+++ b/arch/arm/cpu/armv7/start.S

@@ -47,6 +47,7 @@ save_boot_params_ret:

        orr     r0, r0, #0xc0           @ disable FIQ and IRQ

        msr     cpsr,r0

+       bl light_led

 /*

  * Setup vector:

  * (OMAP4 spl TEXT_BASE is not 32 byte aligned.

@@ -63,6 +64,8 @@ save_boot_params_ret:

        mcr     p15, 0, r0, c12, c0, 0  @Set VBAR

 #endif

+

+

        /* the mask ROM code should have PLL and others stable */

 #ifndef CONFIG_SKIP_LOWLEVEL_INIT

        bl      cpu_init_cp15

@@ -272,3 +275,18 @@ ENTRY(cpu_init_crit)

        b       lowlevel_init           @ go setup pll,mux,memory

 ENDPROC(cpu_init_crit)

 #endif

+

+       .globl light_led

+light_led:

+       ldr     r0,=0x110002E0      @ set GPM4CON Register

+       ldr     r1,=0x00001111      @ Configurate GPM4_0<A1>GPM4_1<A2>GPM4_2<A2>GPM4_3 output

+       str     r1,[r0]

+

+       ldr     r0,=0x110002E4       @ set GPM4DAT Register

+@      mov     r1,#0xFE             @ light All led1 on

+@      mov     r1,#0xFD             @ light All led2 on

+@      mov     r1,#0xFB             @ light All led3 on

+@      mov     r1,#0xF7             @ light All led4 on

+       mov r1,#0xF0                     @ light All led on

+       str     r1,[r0]

+       mov pc, lr

diff --git a/board/samsung/tiny4412/tools/mktiny4412spl.c b/board/samsung/tiny4412/tools/mktiny4412spl.c

index 3ed20ef..c3a3e29 100755

--- a/board/samsung/tiny4412/tools/mktiny4412spl.c

+++ b/board/samsung/tiny4412/tools/mktiny4412spl.c

@@ -1,5 +1,6 @@

 /*

- * Copyright (C) 2011 Samsung Electronics

+ *       2016

+ *  Author  AP0904225 <ap0904225@qq.com>

  *

  * SPDX-License-Identifier:    GPL-2.0+

  */

@@ -13,11 +14,9 @@

 #include <sys/stat.h>

 #define BUFSIZE                        (16*1024)

-#define IMG_SIZE               (16*1024)

-#define SPL_HEADER_SIZE                16

+#define IMG_SIZE               ( (14*1024)- 4 )

 #define FILE_PERM              (S_IRUSR | S_IWUSR | S_IRGRP \

                                | S_IWGRP | S_IROTH | S_IWOTH)

-#define SPL_HEADER             "S5PC210 HEADER  "

 /*

 * Requirement:

 * IROM code reads first 14K bytes from boot device.

@@ -37,7 +36,8 @@ int main(int argc, char **argv)

        int i, len;

        unsigned char buffer[BUFSIZE] = {0};

        int ifd, ofd;

-       unsigned int checksum = 0, count;

+       unsigned int checksum = 0;

+       unsigned int count = 0;

        if (argc != 3) {

                printf(" %d Wrong number of arguments\n", argc);

@@ -52,7 +52,7 @@ int main(int argc, char **argv)

        }

        ofd = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC, FILE_PERM);

-       if (ifd < 0) {

+       if (ofd < 0) {

                fprintf(stderr, "%s: Can‘t open %s: %s\n",

                        argv[0], argv[2], strerror(errno));

                if (ifd)

@@ -63,12 +63,9 @@ int main(int argc, char **argv)

        len = lseek(ifd, 0, SEEK_END);

        lseek(ifd, 0, SEEK_SET);

-       memcpy(&buffer[0], SPL_HEADER, SPL_HEADER_SIZE);

-

-       count = (len < (IMG_SIZE - SPL_HEADER_SIZE))

-               ? len : (IMG_SIZE - SPL_HEADER_SIZE);

+       count = (len < IMG_SIZE )? len : IMG_SIZE; //14K-4

-       if (read(ifd, buffer + SPL_HEADER_SIZE, count) != count) {

+       if (read(ifd, buffer, count) != count) {

                fprintf(stderr, "%s: Can‘t read %s: %s\n",

                        argv[0], argv[1], strerror(errno));

@@ -80,14 +77,11 @@ int main(int argc, char **argv)

                exit(EXIT_FAILURE);

        }

-       for (i = 0; i < IMG_SIZE - SPL_HEADER_SIZE; i++)

-               checksum += buffer[i+16];

-

-       *(ulong *)buffer ^= 0x1f;

-       *(ulong *)(buffer+4) ^= checksum;

-

-       for (i = 1; i < SPL_HEADER_SIZE; i++)

-               buffer[i] ^= buffer[i-1];

+       for(i = 0;i < IMG_SIZE;i++)

+       {

+               checksum += (unsigned char)(buffer[i]);

+       }

+       *(unsigned int*)(buffer+i) = checksum;

        if (write(ofd, buffer, BUFSIZE) != BUFSIZE) {

                fprintf(stderr, "%s: Can‘t write %s: %s\n",

$ mkdir -p board/samsung/tiny4412/firmware

echo "*******clean*********"

make distclean

echo "------------config tiny4412------------"

make ARCH=arm tiny4412_defconfig

echo "----------------building--------------------"

make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi-

#

# Copyright (C) 2011 Samsung Electronics Co., Ltd.

#              http://www.samsung.com/

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License version 2 as

# published by the Free Software Foundation.

#

####################################

if [ -z $1 ]

then

    echo "usage: ./sd_fusing.sh <SD Reader‘s device file>"

    exit 0

fi

if [ -b $1 ]

then

    echo "$1 reader is identified."

else

    echo "$1 is NOT identified."

    exit 0

fi

####################################

#<verify device>

BDEV_NAME=`basename $1`

BDEV_SIZE=`cat /sys/block/${BDEV_NAME}/size`

if [ ${BDEV_SIZE} -le 0 ]; then

    echo "Error: NO media found in card reader."

    exit 1

fi

if [ ${BDEV_SIZE} -gt 32000000 ]; then

    echo "Error: Block device size (${BDEV_SIZE}) is too large"

    exit 1

fi

####################################

# check files

####################################

# fusing images

signed_bl1_position=1

bl2_position=17

uboot_position=49

tzsw_position=705

#<BL1 fusing>

echo "---------------------------------------"

echo "BL1 fusing"

dd iflag=dsync oflag=dsync if=./board/samsung/tiny4412/firmware/E4412_N.bl1.bin of=$1 seek=$signed_bl1_position

#<tiny4412-spl.bin fusing>

echo "---------------------------------------"

echo "tiny4412-spl.bin fusing"

dd iflag=dsync oflag=dsync if=./spl/tiny4412-spl.bin of=$1 seek=$bl2_position

#<u-boot fusing>

#echo "---------------------------------------"

#echo "u-boot fusing"

#dd iflag=dsync oflag=dsync if=${E4412_UBOOT} of=$1 seek=$uboot_position

#<TrustZone S/W fusing>

#echo "---------------------------------------"

#echo "TrustZone S/W fusing"

#dd iflag=dsync oflag=dsync if=./E4412_tzsw.bin of=$1 seek=$tzsw_position

#<flush to disk>

sync

####################################

#<Message Display>

echo "---------------------------------------"

echo "U-boot image is fused successfully."

echo "Eject SD card and insert it again."