IMX6ULL eMMC板添加 "A/B（无缝）系统"之二：文件烧录

jckimi

上一个帖子我们讲到了分区表的修改，并且成功的分出了我们想要的分区表，现在我们烧录对应的文件到分区中。
由之前的帖子我们知道，烧录时候使用的烧录脚本是<mfgtool/Profiles/Linux/OS Firmware/ucl2.xml>，那我们直接对他进行修改。

修改前，我们要做一些记录：
uboot_a ====> /dev/mmcblk1boot0
uboot_b ====> /dev/mmcblk1boot1
boot_a  ====> /dev/mmcblk1p1
boot_b  ====> /dev/mmcblk1p2
rootfs_a ====> /dev/mmcblk1p5
rootfs_b ====> /dev/mmcblk1p6
userdata ====> /dev/mmcblk1p7

ucl2.xml修改如下：

1. <LIST name="eMMC" desc="Choose eMMC as media">
   
2.         <CMD state="BootStrap" type="boot" body="BootStrap" file ="firmware/u-boot-imx6ull-14x14-emmc.imx" ifdev="MX6ULL">Loading U-boot</CMD>
   
3.                
   
4.         <CMD state="BootStrap" type="load" file="firmware/zImage" address="0x80800000"
   
5.                 loadSection="OTH" setSection="OTH" HasFlashHeader="FALSE" ifdev="MX6ULL">Loading Kernel.</CMD>
   
6. 
   
7.         <CMD state="BootStrap" type="load" file="firmware/fsl-image-mfgtool-initramfs-imx_mfgtools.cpio.gz.u-boot" address="0x83800000"
   
8.                 loadSection="OTH" setSection="OTH" HasFlashHeader="FALSE" ifdev="MX6ULL">Loading Initramfs.</CMD>
   
9. 
   
10.         <CMD state="BootStrap" type="load" file="firmware/imx6ull-14x14-emmc.dtb" address="0x83000000"
    
11.                 loadSection="OTH" setSection="OTH" HasFlashHeader="FALSE" ifdev="MX6ULL">Loading device tree.</CMD>
    
12. 
    
13.         <CMD state="BootStrap" type="jump" > Jumping to OS image. </CMD>
    
14. 
    
15. 
    
16.         <CMD state="Updater" type="push" body="send" file="mksdcard.sh.tar">Sending partition shell</CMD>
    
17.         <CMD state="Updater" type="push" body="$ tar -xf $FILE "> Partitioning...</CMD>
    
18.         <CMD state="Updater" type="push" body="$ sh mksdcard.sh /dev/mmcblk1"> Partitioning...</CMD>
    
19. 
    
20.         <!-- burn uboot -->
    
21.         <CMD state="Updater" type="push" body="$ dd if=/dev/zero of=/dev/mmcblk1 bs=1k seek=768 conv=fsync count=8">clear u-boot env</CMD>
    
22.         <CMD state="Updater" type="push" body="$ echo 0 > /sys/block/mmcblk1boot0/force_ro">access boot partition 1</CMD>
    
23.         <CMD state="Updater" type="push" body="$ echo 0 > /sys/block/mmcblk1boot1/force_ro">access boot partition 2</CMD>       <!-- 打开emmc boot1的写入权限 -->
    
24.         <CMD state="Updater" type="push" body="send" file="files/boot/u-boot-imx6ull-14x14-ddr%ddr%-emmc1.imx" ifdev="MX6ULL">Sending u-boot1.bin</CMD>
    
25.         <CMD state="Updater" type="push" body="$ dd if=$FILE of=/dev/mmcblk1boot0 bs=512 seek=2">write U-Boot to boot1</CMD>
    
26.         <CMD state="Updater" type="push" body="$ sleep 1">delay</CMD>
    
27.         <CMD state="Updater" type="push" body="send" file="files/boot/u-boot-imx6ull-14x14-ddr%ddr%-emmc2.imx" ifdev="MX6ULL">Sending u-boot2.bin</CMD>
    
28.         <CMD state="Updater" type="push" body="$ dd if=$FILE of=/dev/mmcblk1boot1 bs=512 seek=2">write U-Boot to boot2</CMD>    <!-- 写入uboot到emmc boot1分区 -->
    
29.         <CMD state="Updater" type="push" body="$ echo 1 > /sys/block/mmcblk1boot0/force_ro"> re-enable read-only access </CMD>
    
30.         <CMD state="Updater" type="push" body="$ echo 1 > /sys/block/mmcblk1boot1/force_ro"> re-enable read-only access </CMD>    <!-- 关闭emmc boot1的写入权限 -->
    
31.         <CMD state="Updater" type="push" body="$ mmc bootpart enable 1 1 /dev/mmcblk1">enable boot partion 1 to boot</CMD>
    
32.         <!-- <CMD state="Updater" type="push" body="$ mmc bootpart enable 2 1 /dev/mmcblk1">enable boot partion 2 to boot</CMD> -->
    
33. 
    
34.         <!-- format and mount boot partition         -->
    
35.         <CMD state="Updater" type="push" body="$ while [ ! -e /dev/mmcblk1p1 ]; do sleep 1; echo "waiting..."; done ">Waiting for the partition ready</CMD>
    
36.         <CMD state="Updater" type="push" body="$ mkfs.vfat -F 32 /dev/mmcblk1p1">Formatting boot partition1</CMD>
    
37.         <CMD state="Updater" type="push" body="$ mkfs.vfat -F 32 /dev/mmcblk1p2">Formatting boot partition2</CMD>      <!-- 格式化/dev/mmcblk1p2为FAT32格式 -->
    
38.         <CMD state="Updater" type="push" body="$ mkdir -p /mnt/mmcblk1p1"/>
    
39.         <CMD state="Updater" type="push" body="$ mkdir -p /mnt/mmcblk1p2"/>
    
40.         <CMD state="Updater" type="push" body="$ mount -t vfat /dev/mmcblk1p1 /mnt/mmcblk1p1"/>
    
41.         <CMD state="Updater" type="push" body="$ mount -t vfat /dev/mmcblk1p2 /mnt/mmcblk1p2"/>         <!-- 挂载/dev/mmcblk1p2到/mnt/mmcblk1p2 -->
    
42. 
    
43. 
    
44.         <CMD state="Updater" type="push" body="send" file="files/boot/zImage">Sending kernel zImage</CMD>
    
45.         <CMD state="Updater" type="push" body="$ cp $FILE /mnt/mmcblk1p1/zImage">write kernel image to boot1</CMD>
    
46.         <CMD state="Updater" type="push" body="$ cp $FILE /mnt/mmcblk1p2/zImage">write kernel image to boot2</CMD>    <!-- 复制zImage到/mnt/mmcblk1p2 -->
    
47. 
    
48.         <CMD state="Updater" type="push" body="send" file="files/boot/imx6ull-alientek-emmc.dtb" ifdev="MX6ULL">Sending Device Tree file</CMD>
    
49.         <CMD state="Updater" type="push" body="$ cp $FILE /mnt/mmcblk1p1/imx6ull-alientek-emmc.dtb" ifdev="MX6ULL">write device tree to boot1</CMD>
    
50.         <CMD state="Updater" type="push" body="$ cp $FILE /mnt/mmcblk1p2/imx6ull-alientek-emmc.dtb" ifdev="MX6ULL">write device tree to boot2</CMD>     <!-- 复制dtb到/mnt/mmcblk1p2 -->
    
51.       
    
52.         <CMD state="Updater" type="push" body="$ sleep 1">delay</CMD>
    
53.         <CMD state="Updater" type="push" body="$ sync">Sync...</CMD>
    
54.         <CMD state="Updater" type="push" body="$ umount /mnt/mmcblk1p1">Unmounting vfat partition</CMD>
    
55.         <CMD state="Updater" type="push" body="$ umount /mnt/mmcblk1p2">Unmounting vfat partition</CMD>              <!-- 卸载/mnt/mmcblk1p2 -->
    
56. 
    
57.         <CMD state="Updater" type="push" body="$ mkfs.ext3 -F -E nodiscard /dev/mmcblk1p5">Formatting rootfs partition1</CMD>
    
58.         <CMD state="Updater" type="push" body="$ mkfs.ext3 -F -E nodiscard /dev/mmcblk1p6">Formatting rootfs partition2</CMD>      <!-- 格式化/dev/mmcblk1p6为EXT3格式 -->
    
59.         <CMD state="Updater" type="push" body="$ mkdir -p /mnt/mmcblk1p5"/>
    
60.         <CMD state="Updater" type="push" body="$ mkdir -p /mnt/mmcblk1p6"/>
    
61.         <CMD state="Updater" type="push" body="$ mount -t ext3 /dev/mmcblk1p5 /mnt/mmcblk1p5"/>
    
62.         <CMD state="Updater" type="push" body="$ mount -t ext3 /dev/mmcblk1p6 /mnt/mmcblk1p6"/>          <!-- 挂载/dev/mmcblk1p6到/mnt/mmcblk1p6 -->
    
63. 
    
64.         <CMD state="Updater" type="push" body="pipe tar -jxv -C /mnt/mmcblk1p5" file="files/filesystem/rootfs1.tar.bz2" ifdev="MX6ULL">Sending and writting rootfs1</CMD>
    
65.         <CMD state="Updater" type="push" body="frf">Finishing rootfs write</CMD>
    
66.         <CMD state="Updater" type="push" body="$ sleep 1">delay</CMD>
    
67.       
    
68.         <CMD state="Updater" type="push" body="pipe tar -jxv -C /mnt/mmcblk1p6" file="files/filesystem/rootfs2.tar.bz2" ifdev="MX6ULL">Sending and writting rootfs2</CMD>       <!-- 拷贝rootfs文件到/mnt/mmcblk1p6 -->
    
69.         <CMD state="Updater" type="push" body="frf">Finishing rootfs write</CMD>
    
70.         <CMD state="Updater" type="push" body="$ sync">Sync...</CMD>
    
71.         <CMD state="Updater" type="push" body="$ umount /mnt/mmcblk1p5">Unmounting rootfs partition</CMD>
    
72.         <CMD state="Updater" type="push" body="$ umount /mnt/mmcblk1p6">Unmounting rootfs partition</CMD>          <!-- 卸载/mnt/mmcblk1p6 -->
    
73.       
    
74.         <CMD state="Updater" type="push" body="$ mkfs.ext3 -F -E nodiscard /dev/mmcblk1p7">Formatting userdata partition1</CMD>        <!-- 格式化/dev/mmcblk1p7为EXT3格式 -->
    
75.       
    
76.         <CMD state="Updater" type="push" body="$ echo Update Complete!">Done</CMD>
    
77.   </LIST>
    

复制代码

准备好对应的文件，使用mfgtool进行烧录，正常情况下，烧录会直接成功。那么接下来就是第一次开机启动了。