如果无法从nand启动,在sd卡烧写前要先制作sd启动卡,具体方法可以参考在Linux平台下和Windows平台下制作SD启动卡,如果nand可以启动可以直接从nand启动。 光盘的烧写镜像在:TQIMX6UL_COREB_CD/出厂烧录镜像合集/Linux 镜像/tqimx6ul_v1.0;烧写镜像的名称可以在uboot 中设置的。如未设置将使用以下默认名称。 镜像内容 | 默认镜像名称 | Bootloader镜像 | u-boot.imx | 内核镜像 | zImage | Dtb镜像 | tq-imx6ul.dtb | 文件系镜像 | rootfs.ubifs |
1. 准备一张tf卡,将第一个分区格式化成fat格式。 2. 将烧写的镜像复制tf卡里的第一个分区里(vfat格式)。 $ ls /media/qingleqq/DF15-3F7C/$ cp u-boot.imx zImage tq-imx6ul.dtb rootfs.ubifs /media/qingleqq/DF15-3F7C/.$ ls /media/qingleqq/DF15-3F7C/$ ls /media/qingleqq/DF15-3F7C/*tq-imx6ul.dtb rootfs.ubifs u-boot.imx zImage/media/qingleqq/DF15-3F7C/为笔者sd卡挂载目录,只作参考,以实际为准。
烧写 (1) 进入下载菜单 1. 如不能从nand 启动,将拔码打到sd 卡启动。插上已经做好的tf 启动卡。否则拔码打到 nand 启动。 2. 接上串口,上电;在以下倒数完成之前按任意键。 ......Normal BootHit any key to stop autoboot: 1 #这里是1 秒......按任意键中断自动启动,进入命令行菜单 Out: serialErr: serialNet: FEC0Normal BootHit any key to stop autoboot: 0##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################[1] Download u-boot.bin to Nand Flash[2] Download Logo image(logo.bin) to Nand Flash[3] Download Linux Kernel (zImage.bin) to Nand Flash[4] Download Device tree blob(*.dtb)[5] Download UBIFS image (root.ubifs) to Nand Flash[6] Download YAFFS image (root.yaffs2) to Nand Flash[7] Download Program to SDRAM and Run it[8] Boot the system[9] Format the Nand Flash[0] Set the boot parameters[n] Enter TFTP download mode menu[r] Restart u-boot[t] Test kernel Image (zImage)[q] Return console[x] read uboot to sdcardPlease press a key to continue :接下来是烧写对应的镜像。镜像的烧写顺序可随意,要烧写什么镜像也可以安实际需要来决定。
(2)u-boot烧写 按1烧写uboot 镜像: [q] Return console[x] read uboot to sdcardPlease press a key to continue :1reading u-boot.imx613376 bytes read in 66 ms (8.9 MiB/s)nand erase.part u-boot;NAND erase.part: device 0 offset 0x0, size 0x400000Erasing at 0x3e0000 -- 100% complete.OKfilesize = 95c00nand write.e 807ffc00 0x100000 96000NAND write: device 0 offset 0x100000, size 0x96000614400 bytes written: OK##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################
(3)Logo烧写 按2烧写logo文件,注意logo为8位色深的bmp图片,分辨率与屏分辨率一样。##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################[1] Download u-boot.bin to Nand Flash[2] Download Logo image(logo.bin) to Nand Flash[3] Download Linux Kernel (zImage.bin) to Nand Flash[4] Download Device tree blob(*.dtb)....[q] Return console[x] read uboot to sdcardPlease press a key to continue :2reading logo.bmp385076 bytes read in 49 ms (7.5 MiB/s)NAND erase.part: device 0 offset 0x600000, size 0x400000Erasing at 0x9e0000 -- 100% complete.OKNAND write: device 0 offset 0x600000, size 0x5e034385076 bytes written: OK##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################[1] Download u-boot.bin to Nand Flash
(4)内核烧写 按3烧写内核 ##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################[1] Download u-boot.bin to Nand Flash[2] Download Logo image(logo.bin) to Nand Flash[3] Download Linux Kernel (zImage.bin) to Nand Flash[4] Download Device tree blob(*.dtb)......[x] read uboot to sdcardPlease press a key to continue :3reading zImage6049496 bytes read in 310 ms (18.6 MiB/s)NAND erase.part: device 0 offset 0xa00000, size 0xa00000Erasing at 0x13e0000 -- 100% complete.OKNAND write: device 0 offset 0xa00000, size 0x5c4ed86049496 bytes written: OK##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################
(5) dtb 烧写 按4烧写dtb文件 ##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################[1] Download u-boot.bin to Nand Flash[2] Download Logo image(logo.bin) to Nand Flash[3] Download Linux Kernel (zImage.bin) to Nand Flash[4] Download Device tree blob(*.dtb)......[x] read uboot to sdcardPlease press a key to continue :4NAND erase.part: device 0 offset 0x1400000, size 0x200000Erasing at 0x15e0000 -- 100% complete.OKreading tq-imx6ul.dtb36834 bytes read in 20 ms (1.8 MiB/s)NAND write: device 0 offset 0x1400000, size 0x8fe236834 bytes written: OK##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################
(6)文件系统烧写 按5烧写ubi文件系统,当前只支持ubi文件系统。 [t] Test kernel Image (zImage)[q] Return console[x] read uboot to sdcardPlease press a key to continue :5reading rootfs.ubifs35680256 bytes read in 1747 ms (19.5 MiB/s)NAND erase.part: device 0 offset 0x1600000, size 0xea00000Erasing at 0xffe0000 -- 100% complete.OKubi0: attaching mtd1ubi0: scanning is finishedubi0: empty MTD device detectedubi0: attached mtd1 (name "mtd=5", size 234 MiB)ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytesubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096ubi0: good PEBs: 1872, bad PEBs: 0, corrupted PEBs: 0ubi0: user volume: 0, internal volumes: 1, max. volumes count: 128ubi0: max/mean erase counter: 1/0, WL threshold: 4096, image sequence number:0ubi0: available PEBs: 1828, total reserved PEBs: 44, PEBs reserved for bad PEBhandling: 40No size specified -> Using max size (232112128)Creating dynamic volume rootfs of size 23211212835680256 bytes written to volume rootfs##### TQ-IMX6UL U-boot MENU #####[SDCARD MODE]###################################到此各部分的烧写已经完成。
(7) 启动测试 按8启动系统,测试是否烧写成功: [7] Download Program to SDRAM and Run it[8] Boot the system[9] Format the Nand Flash[0] Set the boot parameters[n] Enter TFTP download mode menu[r] Restart u-boot[t] Test kernel Image (zImage)[q] Return console[x] read uboot to sdcardPlease press a key to continue :8use nandbootNAND read: device 0 offset 0xa00000, size 0xa0000010485760 bytes read: OKNAND read: device 0 offset 0x1400000, size 0x2000002097152 bytes read: OKKernel image @ 0x80800000 [ 0x000000 - 0x5c4ed8 ]## Flattened Device Tree blob at 83000000Booting using the fdt blob at 0x83000000Using Device Tree in place at 83000000, end 8300bfe1Modify /soc/aips-bus@02000000/bee@02044000:status disabledft_system_setup for mx6Starting kernel ...Booting Linux on physical CPU 0x0Linux version 4.1.15-gcb8ab66-dirty (qingleqq@z-work) (gcc version 5.2.0 (GCC) )#262 SMP PREEMPT Fri Jan 6 13:33:47 CST 2017CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c53c7dCPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cacheMachine model: Freescale i.MX6 UltraLite 14x14 EVK BoardReserved memory: failed to allocate memory for node 'linux,cma'Memory policy: Data cache writealloc.....
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