imx6ull烧写成功，无法启动

老鹰（深圳）

通过uuu烧写imx6ull，烧写过程中的提示出下：

1. 
   
2. 
   
3. U-Boot 2020.04-00031-ge42dee801e-dirty (May 19 2021 - 08:57:26 +0800)
   
4. 
   
5. CPU:   i.MX6ULL rev1.1 792 MHz (running at 396 MHz)
   
6. CPU:   Industrial temperature grade (-40C to 105C) at 50C
   
7. Reset cause: POR
   
8. Board: MX6ULL 14x14 EVK
   
9. DRAM:  512 MiB
   
10. MMC:   FSL_SDHC: 1
    
11. Loading Environment from MMC... OK
    
12. In:    serial
    
13. Out:   serial
    
14. Err:   serial
    
15. switch to partitions #0, OK
    
16. mmc1(part 0) is current device
    
17. flash target is MMC:1
    
18. Net:
    
19. Error: ethernet@20b4000 address not set.
    
20. 
    
21. Error: ethernet@20b4000 address not set.
    
22. 
    
23. Error: ethernet@20b4000 address not set.
    
24. FEC: can't find phy-handle
    
25. 
    
26. Error: ethernet@20b4000 address not set.
    
27. Could not get PHY for FEC0: addr 2
    
28. 
    
29. Error: ethernet@20b4000 address not set.
    
30. FEC: can't find phy-handle
    
31. 
    
32. Error: ethernet@20b4000 address not set.
    
33. Could not get PHY for FEC0: addr 2
    
34. No ethernet found.
    
35. 
    
36. Fastboot: Normal
    
37. Boot from USB for mfgtools
    
38. *** Warning - Use default environment for                                mfgtools
    
39. , using default environment
    
40. 
    
41. Run bootcmd_mfg: run mfgtool_args;if iminfo ${initrd_addr}; then if test ${tee} = yes; then bootm ${tee_addr} ${initrd_addr} ${fdt_addr}; else bootz ${loadaddr} ${initrd_addr} ${fdt_addr}; fi; else echo "Run fastboot ..."; fastboot 0; fi;
    
42. Hit any key to stop autoboot:  0
    
43. 
    
44. ## Checking Image at 86800000 ...
    
45. Unknown image format!
    
46. Run fastboot ...
    
47. Starting download of 470016 bytes
    
48. ...
    
49. downloading of 470016 bytes finished
    
50. writing to partition 'bootloader'
    
51. Initializing 'bootloader'
    
52. switch to partitions #1, OK
    
53. mmc1(part 1) is current device
    
54. Writing 'bootloader'
    
55. 
    
56. MMC write: dev # 1, block # 2, count 918 ... 918 blocks written: OK
    
57. Writing 'bootloader' DONE!
    
58. Starting download of 9824760 bytes
    
59. ..........................................................................
    
60. 
    
61. downloading of 9824760 bytes finished
    
62. Starting download of 25521 bytes
    
63. 
    
64. downloading of 25521 bytes finished
    
65. Starting download of 14918449 bytes
    
66. ..........................................................................
    
67. .......................................
    
68. downloading of 14918449 bytes finished
    
69. Kernel image @ 0x80800000 [ 0x000000 - 0x95e9f8 ]
    
70. ## Loading init Ramdisk from Legacy Image at 86800000 ...
    
71.    Image Name:   fsl-image-mfgtool-initramfs-imx6
    
72.    Image Type:   ARM Linux RAMDisk Image (uncompressed)
    
73.    Data Size:    14918385 Bytes = 14.2 MiB
    
74.    Load Address: 00000000
    
75.    Entry Point:  00000000
    
76.    Verifying Checksum ... OK
    
77. ## Flattened Device Tree blob at 83000000
    
78.    Booting using the fdt blob at 0x83000000
    
79.    Using Device Tree in place at 83000000, end 830093b0
    
80. ft_system_setup for mx6
    
81. 
    
82. Starting kernel ...
    
83. 
    
84. [    0.000000] Booting Linux on physical CPU 0x0
    
85. [    0.000000] Linux version 5.10.36 (ics@imx-host) (arm-none-linux-gnueabihf-gcc (GNU Toolchain for the A-profile Architecture 10.2-2020.11 (arm-10.16)) 10.2.1 20201103, GNU ld (GNU Toolchain for the A-profile Architecture 10.2-2020.11 (arm-10.16)) 2.35.1.20201028) #1 SMP Thu May 20 16:30:38 CST 2021
    
86. [    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
    
87. [    0.000000] CPU: div instructions available: patching division code
    
88. [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
    
89. [    0.000000] OF: fdt: Machine model: Freescale i.MX6 UltraLiteLite 14x14 EVK Board....CHANBY....
    
90. [    0.000000] Memory policy: Data cache writealloc
    
91. [    0.000000] cma: Reserved 64 MiB at 0x9c000000
    
92. [    0.000000] Zone ranges:
    
93. [    0.000000]   Normal   [mem 0x0000000080000000-0x000000009fffffff]
    
94. [    0.000000]   HighMem  empty
    
95. [    0.000000] Movable zone start for each node
    
96. [    0.000000] Early memory node ranges
    
97. [    0.000000]   node   0: [mem 0x0000000080000000-0x000000009fffffff]
    
98. [    0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x000000009fffffff]
    
99. [    0.000000] percpu: Embedded 20 pages/cpu s51692 r8192 d22036 u81920
    
100. [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 130048
     
101. [    0.000000] Kernel command line: console=ttymxc0,115200 rdinit=/linuxrc clk_ignore_unused
     
102. [    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
     
103. [    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear)
     
104. [    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
     
105. [    0.000000] Memory: 411320K/524288K available (13312K kernel code, 1909K rwdata, 4620K rodata, 1024K init, 6665K bss, 47432K reserved, 65536K cma-reserved, 0K highmem)
     
106. [    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
     
107. [    0.000000] Running RCU self tests
     
108. [    0.000000] rcu: Hierarchical RCU implementation.
     
109. [    0.000000] rcu:     RCU event tracing is enabled.
     
110. [    0.000000] rcu:     RCU lockdep checking is enabled.
     
111. [    0.000000] rcu:     RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1.
     
112. [    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
     
113. [    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
     
114. [    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
     
115. [    0.000000] random: get_random_bytes called from start_kernel+0x34c/0x56c with crng_init=0
     
116. [    0.000000] Switching to timer-based delay loop, resolution 41ns
     
117. [    0.000022] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
     
118. [    0.000101] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
     
119. [    0.003775] Console: colour dummy device 80x30
     
120. [    0.003923] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
     
121. [    0.003986] ... MAX_LOCKDEP_SUBCLASSES:  8
     
122. [    0.004044] ... MAX_LOCK_DEPTH:          48
     
123. [    0.004099] ... MAX_LOCKDEP_KEYS:        8192
     
124. [    0.004153] ... CLASSHASH_SIZE:          4096
     
125. [    0.004206] ... MAX_LOCKDEP_ENTRIES:     32768
     
126. [    0.004261] ... MAX_LOCKDEP_CHAINS:      65536
     
127. [    0.004313] ... CHAINHASH_SIZE:          32768
     
128. [    0.004366]  memory used by lock dependency info: 4061 kB
     
129. [    0.004421]  memory used for stack traces: 2112 kB
     
130. [    0.004475]  per task-struct memory footprint: 1536 bytes
     
131. [    0.004772] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000)
     
132. [    0.004895] pid_max: default: 32768 minimum: 301
     
133. [    0.005924] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
     
134. [    0.006023] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
     
135. [    0.016187] CPU: Testing write buffer coherency: ok
     
136. [    0.018947] CPU0: update cpu_capacity 1024
     
137. [    0.019056] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
     
138. [    0.027244] Setting up static identity map for 0x80100000 - 0x80100078
     
139. [    0.029306] rcu: Hierarchical SRCU implementation.
     
140. [    0.035599] smp: Bringing up secondary CPUs ...
     
141. [    0.035715] smp: Brought up 1 node, 1 CPU
     
142. [    0.035808] SMP: Total of 1 processors activated (48.00 BogoMIPS).
     
143. [    0.035886] CPU: All CPU(s) started in SVC mode.
     
144. [    0.042732] devtmpfs: initialized
     
145. [    0.115681] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
     
146. [    0.118875] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
     
147. [    0.119095] futex hash table entries: 256 (order: 2, 16384 bytes, linear)
     
148. [    0.125544] pinctrl core: initialized pinctrl subsystem
     
149. [    0.141770] NET: Registered protocol family 16
     
150. [    0.232116] DMA: preallocated 256 KiB pool for atomic coherent allocations
     
151. [    0.250398] thermal_sys: Registered thermal governor 'step_wise'
     
152. [    0.250963] cpuidle: using governor menu
     
153. [    0.432247] vdd3p0: supplied by regulator-dummy
     
154. [    0.450413] cpu: supplied by regulator-dummy
     
155. [    0.467873] vddsoc: supplied by regulator-dummy
     
156. [    0.775170] No ATAGs?
     
157. [    0.776344] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
     
158. [    0.776611] hw-breakpoint: maximum watchpoint size is 8 bytes.
     
159. [    0.788743] debugfs: Directory 'dummy-iomuxc-gpr@20e4000' with parent 'regmap' already present!
     
160. [    0.791997] imx6ul-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver
     
161. [    0.795521] imx6ul-pinctrl 2290000.iomuxc-snvs: no groups defined in /soc/bus@2200000/iomuxc-snvs@2290000
     
162. [    0.795888] imx6ul-pinctrl 2290000.iomuxc-snvs: initialized IMX pinctrl driver
     
163. [    0.927312] Kprobes globally optimized
     
164. [    1.119772] mxs-dma 1804000.dma-apbh: initialized
     
165. [    1.131804] vgaarb: loaded
     
166. [    1.138633] SCSI subsystem initialized
     
167. [    1.145961] usbcore: registered new interface driver usbfs
     
168. [    1.146868] usbcore: registered new interface driver hub
     
169. [    1.147394] usbcore: registered new device driver usb
     
170. [    1.160685] i2c i2c-0: IMX I2C adapter registered
     
171. [    1.163946] mc: Linux media interface: v0.10
     
172. [    1.164443] videodev: Linux video capture interface: v2.00
     
173. [    1.166265] pps_core: LinuxPPS API ver. 1 registered
     
174. [    1.166376] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
     
175. [    1.166617] PTP clock support registered
     
176. [    1.171898] Advanced Linux Sound Architecture Driver Initialized.
     
177. [    1.182976] Bluetooth: Core ver 2.22
     
178. [    1.183712] NET: Registered protocol family 31
     
179. [    1.183809] Bluetooth: HCI device and connection manager initialized
     
180. [    1.184205] Bluetooth: HCI socket layer initialized
     
181. [    1.184365] Bluetooth: L2CAP socket layer initialized
     
182. [    1.184888] Bluetooth: SCO socket layer initialized
     
183. [    1.191690] clocksource: Switched to clocksource mxc_timer1
     
184. [    2.581791] random: fast init done
     
185. [    4.407060] VFS: Disk quotas dquot_6.6.0
     
186. [    4.407629] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
     
187. [    4.521750] NET: Registered protocol family 2
     
188. [    4.529462] tcp_listen_portaddr_hash hash table entries: 256 (order: 1, 11264 bytes, linear)
     
189. [    4.529734] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear)
     
190. [    4.530022] TCP bind hash table entries: 4096 (order: 5, 163840 bytes, linear)
     
191. [    4.531700] TCP: Hash tables configured (established 4096 bind 4096)
     
192. [    4.533008] UDP hash table entries: 256 (order: 2, 24576 bytes, linear)
     
193. [    4.533378] UDP-Lite hash table entries: 256 (order: 2, 24576 bytes, linear)
     
194. [    4.534890] NET: Registered protocol family 1
     
195. [    4.544046] RPC: Registered named UNIX socket transport module.
     
196. [    4.544368] RPC: Registered udp transport module.
     
197. [    4.544466] RPC: Registered tcp transport module.
     
198. [    4.544557] RPC: Registered tcp NFSv4.1 backchannel transport module.
     
199. [    4.544664] PCI: CLS 0 bytes, default 64
     
200. [    4.549331] Trying to unpack rootfs image as initramfs...
     
201. [    8.658568] Freeing initrd memory: 14572K
     
202. [    8.663498] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available
     
203. [    8.682329] workingset: timestamp_bits=30 max_order=17 bucket_order=0
     
204. [    8.767000] NFS: Registering the id_resolver key type
     
205. [    8.767991] Key type id_resolver registered
     
206. [    8.768298] Key type id_legacy registered
     
207. [    8.769568] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
     
208. [    8.769896] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
     
209. [    8.770457] jffs2: version 2.2. (NAND) 漏 2001-2006 Red Hat, Inc.
     
210. [    8.777305] fuse: init (API version 7.32)
     
211. [    9.020475] io scheduler mq-deadline registered
     
212. [    9.020607] io scheduler kyber registered
     
213. [    9.066053] 2018000.serial: ttymxc6 at MMIO 0x2018000 (irq = 28, base_baud = 5000000) is a IMX
     
214. [    9.078890] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 29, base_baud = 5000000) is a IMX
     
215. [    9.874680] printk: console [ttymxc0] enabled
     
216. [    9.889537] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 62, base_baud = 5000000) is a IMX
     
217. [    9.908062] 2288000.serial: ttymxc7 at MMIO 0x2288000 (irq = 67, base_baud = 5000000) is a IMX
     
218. [    9.966244] imx_rngc 2284000.rng: Freescale RNGB registered (HW revision 2.129)
     
219. [    9.975706] random: crng init done
     
220. [   10.148718] brd: module loaded
     
221. [   10.269519] loop: module loaded
     
222. [   10.304811] libphy: Fixed MDIO Bus: probed
     
223. [   10.315200] CAN device driver interface
     
224. [   10.330990] pps pps0: new PPS source ptp0
     
225. [   10.340636] fec 20b4000.ethernet: Invalid MAC
     
226.                                                 run shell cmd: mmc=`cat /tmp/mmcdev`; mkfs.ext4 -F -E nodiscard /dev/mmcblk${mmc}p2
     
227. mke2fs 1.45.3 (14-Jul-2019)
     
228. run shell cmd: mkdir -p /mnt/ext4
     
229. run shell cmd: mmc=`cat /tmp/mmcdev`; mount /dev/mmcblk${mmc}p2 /mnt/ext4
     
230. [   25.331114] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null)
     
231. run shell cmd: export EXTRACT_UNSAFE_SYMLINKS=1; tar -jx -C /mnt/ext4
     
232. WOpen:-
     
233. [   43.393249] vdd3p0: disabling
     
234. wait for async proccess finish
     
235. run shell cmd: umount /mnt/ext4
     
236. 
     

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烧写完毕，将启动模式拨码至InternalMode，即BOOT_MODE[1:0]=10，上电，无任何反应。
重新通过下载模式进入uboot，查看SRC_SBMR1(0x020d8004)寄存器值为0x00000872，打印uboot环境变量如下：

1. 
   
2. => printenv
   
3. baudrate=115200
   
4. boot_fdt=try
   
5. bootargs=console=ttymxc0,115200 rdinit=/linuxrc clk_ignore_unused
   
6. bootcmd=run findfdt;run findtee;mmc dev ${mmcdev};mmc dev ${mmcdev}; if mmc rescan; then if run loadbootscript; then run bootscript; else if run loadimage; then run mmcboot; else run netboot; fi; fi; else run netboot; fi
   
7. bootcmd_mfg=run mfgtool_args;if iminfo ${initrd_addr}; then if test ${tee} = yes; then bootm ${tee_addr} ${initrd_addr} ${fdt_addr}; else bootz ${loadaddr} ${initrd_addr} ${fdt_addr}; fi; else echo "Run fastboot ..."; fastboot 0; fi;
   
8. bootdelay=3
   
9. bootscript=echo Running bootscript from mmc ...; source
   
10. console=ttymxc0
    
11. emmc_ack=1
    
12. emmc_dev=1
    
13. ethprime=eth1
    
14. fdt_addr=0x83000000
    
15. fdt_file=undefined
    
16. fdt_high=0xffffffff
    
17. findfdt=if test $fdt_file = undefined; then if test $board_name = ULZ-EVK && test $board_rev = 14X14; then setenv fdt_file imx6ulz-14x14-evk.dtb; fi; if test $board_name = EVK && test $board_rev = 9X9; then setenv fdt_file imx6ull-9x9-evk.dtb; fi; if test $board_name = EVK && test $board_rev = 14X14; then setenv fdt_file imx6ull-14x14-evk.dtb; fi; if test $fdt_file = undefined; then echo WARNING: Could not determine dtb to use; fi; fi;
    
18. findtee=if test $tee_file = undefined; then if test $board_name = ULZ-EVK && test $board_rev = 14X14; then setenv tee_file uTee-6ulzevk; fi; if test $board_name = EVK && test $board_rev = 9X9; then setenv tee_file uTee-6ullevk; fi; if test $board_name = EVK && test $board_rev = 14X14; then setenv tee_file uTee-6ullevk; fi; if test $tee_file = undefined; then echo WARNING: Could not determine tee to use; fi; fi;
    
19. image=zImage
    
20. initrd_addr=0x86800000
    
21. initrd_high=0xffffffff
    
22. ip_dyn=yes
    
23. kboot=bootz
    
24. loadaddr=0x80800000
    
25. loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};
    
26. loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}
    
27. loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}
    
28. loadtee=fatload mmc ${mmcdev}:${mmcpart} ${tee_addr} ${tee_file}
    
29. mfgtool_args=setenv bootargs console=${console},${baudrate} rdinit=/linuxrc clk_ignore_unused
    
30. mmcargs=setenv bootargs console=${console},${baudrate} root=${mmcroot}
    
31. mmcautodetect=yes
    
32. mmcboot=echo Booting from mmc ...; run mmcargs; if test ${tee} = yes; then run loadfdt; run loadtee; bootm ${tee_addr} - ${fdt_addr}; else if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if run loadfdt; then bootz ${loadaddr} - ${fdt_addr}; else if test ${boot_fdt} = try; then bootz; else echo WARN: Cannot load the DT; fi; fi; else bootz; fi; fi;
    
33. mmcdev=1
    
34. mmcpart=1
    
35. mmcroot=/dev/mmcblk1p2 rootwait rw
    
36. netargs=setenv bootargs console=${console},${baudrate} root=/dev/nfs ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp
    
37. netboot=echo Booting from net ...; ${usb_net_cmd}; run netargs; if test ${ip_dyn} = yes; then setenv get_cmd dhcp; else setenv get_cmd tftp; fi; ${get_cmd} ${image}; if test ${tee} = yes; then ${get_cmd} ${tee_addr} ${tee_file}; ${get_cmd} ${fdt_addr} ${fdt_file}; bootm ${tee_addr} - ${fdt_addr}; else if test ${boot_fdt} = yes || test ${boot_fdt} = try; then if ${get_cmd} ${fdt_addr} ${fdt_file}; then bootz ${loadaddr} - ${fdt_addr}; else if test ${boot_fdt} = try; then bootz; else echo WARN: Cannot load the DT; fi; fi; else bootz; fi; fi;
    
38. script=boot.scr
    
39. sd_dev=1
    
40. splashimage=0x8c000000
    
41. tee=no
    
42. tee_addr=0x84000000
    
43. tee_file=undefined
    
44. 
    
45. Environment size: 3305/8188 bytes
    
46. =>
    

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请版主及大咖们帮忙分析一下看，是什么问题？

我知道答案 目前已有2人回答

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老鹰（深圳）

下面是uuu烧写脚本：

1. uuu_version 1.2.39
   
2. 
   
3. # Please Replace below items with actually file names
   
4. # @uboot.bin                        | boot loader
   
5. # @kernel                        | kernel image, arm64 is Image, arm32 it is zImage
   
6. # @crl_601.dtb                        | board dtb file
   
7. # @initramfs.cpio.gz.uboot        | mfgtool init ramfs
   
8. # @rootfs.tar.bz2                | rootfs
   
9. # @_uTee.tar                        | optee image, put dummy _uTee.tar file here if platform is not MX6/MX7*
   
10. 
    
11. # This command will be run when i.MX6/7 i.MX8MM, i.MX8MQ
    
12. SDP: boot -f uboot.bin
    
13. 
    
14. # This command will be run when ROM support stream mode
    
15. # i.MX8QXP, i.MX8QM
    
16. SDPS: boot -f uboot.bin
    
17. 
    
18. # These commands will be run when use SPL and will be skipped if no spl
    
19. # SDPU will be deprecated. please use SDPV instead of SDPU
    
20. # {
    
21. SDPU: delay 1000
    
22. SDPU: write -f uboot.bin -offset 0x57c00
    
23. SDPU: jump
    
24. # }
    
25. 
    
26. # These commands will be run when use SPL and will be skipped if no spl
    
27. # if (SPL support SDPV)
    
28. # {
    
29. SDPV: delay 1000
    
30. SDPV: write -f uboot.bin -skipspl
    
31. SDPV: jump
    
32. # }
    
33. 
    
34. # use uboot burn bootloader to eMMC
    
35. # becaue difference chip, offset is difference
    
36. # you can use kernel to do that for specific boards
    
37. FB: ucmd setenv fastboot_dev mmc
    
38. FB: ucmd setenv mmcdev ${emmc_dev}
    
39. FB: flash bootloader uboot.bin
    
40. 
    
41. FB: ucmd if env exists emmc_ack; then ; else setenv emmc_ack 0; fi;
    
42. 
    
43. FB: ucmd setenv emmc_cmd mmc partconf ${emmc_dev} ${emmc_ack} 1 0
    
44. FB: ucmd if test "${emmc_skip_fb}" != "yes"; then run emmc_cmd; fi
    
45. FB: ucmd setenv emmc_cmd mmc bootbus ${emmc_dev} 2 2 1;
    
46. FB: ucmd if test "${emmc_skip_fb}" != "yes"; then run emmc_cmd; fi
    
47. 
    
48. FB: ucmd setenv fastboot_buffer ${loadaddr}
    
49. FB: download -f kernel
    
50. FB: ucmd setenv fastboot_buffer ${fdt_addr}
    
51. FB: download -f crl_601.dtb
    
52. FB: ucmd setenv fastboot_buffer ${initrd_addr}
    
53. FB: download -f initramfs.cpio.gz.uboot
    
54. #FB: ucmd setenv bootargs console=${console},${baudrate} earlycon=${earlycon},${baudrate}
    
55. 
    
56. FB: acmd ${kboot} ${loadaddr} ${initrd_addr} ${fdt_addr}
    
57. 
    
58. # get mmc dev number from kernel command line
    
59. # Wait for emmc
    
60. FBK: ucmd while [ ! -e /dev/mmcblk*boot0 ]; do sleep 1; echo "wait for /dev/mmcblk*boot* appear"; done;
    
61. 
    
62. # serach emmc device number, if your platform have more than two emmc chip, please echo dev number >/tmp/mmcdev
    
63. FBK: ucmd dev=`ls /dev/mmcblk*boot*`; dev=($dev); dev=${dev[0]}; dev=${dev#/dev/mmcblk}; dev=${dev%boot*}; echo $dev > /tmp/mmcdev;
    
64. 
    
65. # dd to clear the possible MBR
    
66. FBK: ucmd mmc=`cat /tmp/mmcdev`; dd if=/dev/zero of=/dev/mmcblk${mmc} bs=512 count=1
    
67. # create partition
    
68. FBK: ucmd mmc=`cat /tmp/mmcdev`; PARTSTR=10M,500M,0c\n600M,,83\n'; echo "$PARTSTR" | sfdisk --force /dev/mmcblk${mmc}
    
69. 
    
70. FBK: ucmd mmc=`cat /tmp/mmcdev`; dd if=/dev/zero of=/dev/mmcblk${mmc} bs=1k seek=4096 count=1
    
71. FBK: ucmd sync
    
72. 
    
73. # you can enable below command to write boot partition. but offset is difference at difference platform
    
74. FBK: ucmd mmc=`cat /tmp/mmcdev`; echo 0 > /sys/block/mmcblk${mmc}boot0/force_ro
    
75. FBK: ucp  uboot.bin t:/tmp
    
76. FBK: ucmd mmc=`cat /tmp/mmcdev`; dd if=/tmp/uboot.bin of=/dev/mmc${mmc}boot0 bs=1K seek=768
    
77. FBK: ucmd mmc=`cat /tmp/mmcdev`; echo 1 > /sys/block/mmcblk${mmc}boot0/force_ro
    
78. 
    
79. FBK: ucmd mmc=`cat /tmp/mmcdev`; while [ ! -e /dev/mmcblk${mmc}p1 ]; do sleep 1; done
    
80. FBK: ucmd mmc=`cat /tmp/mmcdev`; mkfs.vfat /dev/mmcblk${mmc}p1
    
81. FBK: ucmd mmc=`cat /tmp/mmcdev`; mkdir -p /mnt/fat
    
82. FBK: ucmd mmc=`cat /tmp/mmcdev`; mount -t vfat /dev/mmcblk${mmc}p1 /mnt/fat
    
83. FBK: ucp  kernel t:/mnt/fat
    
84. FBK: ucp  crl_601.dtb t:/mnt/fat
    
85. # FBK: ucp  _uTee.tar t:/tmp/op.tar
    
86. # FBK: ucmd tar -xf /tmp/op.tar -C /mnt/fat
    
87. FBK: ucmd umount /mnt/fat
    
88. 
    
89. FBK: ucmd mmc=`cat /tmp/mmcdev`; mkfs.ext4 -F -E nodiscard /dev/mmcblk${mmc}p2
    
90. FBK: ucmd mkdir -p /mnt/ext4
    
91. FBK: ucmd mmc=`cat /tmp/mmcdev`; mount /dev/mmcblk${mmc}p2 /mnt/ext4
    
92. FBK: acmd export EXTRACT_UNSAFE_SYMLINKS=1; tar -jx -C /mnt/ext4
    
93. FBK: ucp  rootfs.tar.bz2 t:-
    
94. FBK: Sync
    
95. FBK: ucmd umount /mnt/ext4
    
96. 
    
97. FBK: DONE

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小恩GG

你说的没有任何反应是指最后内核输出任何信息吗？我看内核最后的打印log是和挂载文件系统有关，你应该检查一下你最后的文件系统烧写指令。