图2流控没勾选。
http://i1.fuimg.com/697038/13f9d6d02a9f7870.jpg leep4 发表于 2019-8-13 11:02
图2流控没勾选。
那请问4是什么？ Stars7 发表于 2019-8-14 17:29
那请问4是什么？
1应该是VCC，4是GND nnsat 发表于 2019-8-15 09:09
1应该是VCC，4是GND
但是4好像周围啥都没接? nnsat 发表于 2019-8-15 09:09
1应该是VCC，4是GND
Boot SPI NAND
k3
U-Boot 2013.04 (May 14 2019 - 12:16:13)
CPU: ZX279127@A9,800MHZ
Board: ZTE zx279127evb
I2C: ready
DRAM:256 MiB
com1
product_vid = 89
vid=89-F663NV3a
bootsel=3
10000000,50000000
NAND:manuid=2c,24
Manu ID: 0x2c, Chip ID: 0x24 (Micron SPI NAND MT29F2G01ABAGDWB256MiB 3,3V)
256 MiB
<nand_read_skip_bad_,1237>!mtdpart=0x1,offset=0x0,mtdpartoffset=0x180000,mtdPartsize=0x80000,length=0x20000
In: serial
Out: serial
Err: serial
Net: addr 0x94000008 before value is f9ffffcf
addr 0x94000008 after value is ffffffcf
serdes init done
init phy first!
eth0
Hit any key to stop autoboot:0
addr=1a00000
addr=3a00000
select=0x0
search=0x2
<nand_read_skip_bad_,1237>!mtdpart=0x6,offset=0x0,mtdpartoffset=0x200000,mtdPartsize=0x400000,length=0x1000
tmp=0x00000000, value=0
select=0x0
search=0x2
search->result.entry=1a00140
<nand_read_skip_bad_,1237>!mtdpart=0x2,offset=0x0,mtdpartoffset=0x1a00000,mtdPartsize=0x2000000,length=0x1660000
---mtdparts_init--current_mtd_partnum=0-
dev id: type = 2, num = 0, size = 0xffffffff, mtd_id = single part
part: name = rootfs0, size = 0x01640000, offset = 0x01a20000
part: name = rootfs1, size = 0x01640000, offset = 0x03a20000
--- jffs2_part_info: partition number 0 for device nand0 (single part)
jffs2_part_info:rootfs0,1a20000
### JFFS2 loading '0uImage' to 0x44000000
Scanning JFFS2 FS: ............... done.
### JFFS2 load complete: 4013538 bytes loaded to 0x44000000
<nand_read_skip_bad_,1237>!mtdpart=0x0,offset=0x0,mtdpartoffset=0x0,mtdPartsize=0x180000,length=0x80000
lseek=0x42048000
cmdline=U-Boot V1.1.1 20190214092645
## Booting kernel from Legacy Image at 44000000 ...
Image Name: Linux Kernel Image
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 4013474 Bytes = 3.8 MiB
Load Address: 40008000
Entry Point:40008000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK
----------------------
|-->setup versioninfo tag...
Starting kernel ...
Uncompressing Linux... done, booting the kernel.
接好了又怎么停这了？ 量一下1的电压，应该是5.0V或者3.3V，TTL是不能接VCC的，
停在“Uncompressing Linux... done, booting the kernel.”
表明系统不能正常引导
很明细后面TTL输出被屏蔽打印了，我这里的H2-2就是这样的 qiner_1984 发表于 2019-8-16 20:15
很明细后面TTL输出被屏蔽打印了，我这里的H2-2就是这样的
那怎么办呢 nnsat 发表于 2019-8-16 20:04
量一下1的电压，应该是5.0V或者3.3V，TTL是不能接VCC的，
停在“Uncompressing Linux... done, booting th ...
好的，我试试 同楼主，ttl根本无法进入登录状态，应该是被屏蔽了。我最后是通过切换地区，手动配置才能用超密
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