华为新款B866-S2 /B850-S2/B650-S2 TTL串口位置

antons

看见有人在群里讨论 今天试了下 实测是可以的


发个示意图出来，细节图取自主板白色框位置

波特率参数 115200 8 N 1

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想折腾的上吧，看看有什么好玩的

Connected.

HI, BSBC
P:3101
P:1013
P:1018
P:3202
P:3203
P:3204
P:1021
Start in Safetycode
chip up mode is 0
VSIN0: 4(0x385)
VSIN1: 6(0x4b7)
Hard rst reason:0x7
Will init calibrate...
RF init
Spi init success
Wifi rf2(6W25) calibrate success
Wifi rf0(6W22) calibrate success
End out Safetycode

BL2
DDR4 F4
Start in Startcode 2022.07
Starting slave core
S
DDRs
startcode uboot boot count:-546701280
Start in Safe Mode
hash_cal.size:0x7d000
ipsec register chip 0x15
Use the AllsytemB to load success
End out startcode


Start in U-boot


Start in U-boot
NAND:  SPI NAND FLASH TYPE
flash_type = [0x0]
Special Nand id table Version 1.23
Nand ID: 0xC2 0x24 0x03 0x00 0xC2 0x00 0x00 0x00
ECC Match pagesize:2K, oobzie:64, ecctype:16bit,mtd->size:0x0
Nand(Hardware): Block:128KB Page:2KB Chip:268435456B OOB:64B ECC:16bit
256 MiB
256 MiB
Loading Environment from <NULL>...
OK
[UBI-DEBUG]: all in ubi mode
In:    serial
Out:   serial
Err:   serial
Net:   hi_lsw_init_1156...
PHY power down !!!
Boot cfg head magic1:0xffffffff, magic2:0xffffffff
Init boot config success.
[Mem test]from flash ret=0, Mem test_request=0x0
        No need to make ram test
[mbist test]
        Not found mbist test flag
        No need to make mbist test
[ssn_test]from flash ret=0, ssn_request=0x0
        No need to make ssn test
[greenbox_test]from flash ret=0, greenbox_request=0x0
        No need to make greenbox test
[exmbist_test]from flash ret=0, exmbist_request=0x0
        No need to make exmbist test
FastMap Enable:false
ubi0: default fastmap pool size: 100
ubi0: default fastmap WL pool size: 50
UBI: attaching mtd2
ubi0: scanning is finished
ubi0: attached mtd2 (name "ubifs", size 255 MiB)
ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
ubi0: good PEBs: 2035, bad PEBs: 5, corrupted PEBs: 0
ubi0: user volume: 13, internal volumes: 1, max. volumes count: 128
ubi0: max/mean erase counter: 19/9, WL threshold: 4096, image sequence number: 1825813074
ubi0: available PEBs: 25, total reserved PEBs: 2010, PEBs reserved for bad PEB handling: 35
Start from main system(0x1)!
CRC:0x6a8fe445, Magic1:0x5a5a5a5a, Magic2:0xa5a5a5a5, count:1, CommitedArea:0x1, Active:0x1, RunFlag:0x0
close uboot pcie
5116T pcie&wifi power is closed
Main area: Cert partition Found
Slave area: Cert partition Found
Last start status:
0xfffea198 0xffff9000 0xffff67a4 0xffa30004 0xcfff0210
0xffe80914 0xffff9d44 0xd8b03000 0xfedfa8ca 0xff7f42f4
0x57ff1584 0xbffd25d8 0xfffff58b 0xd7d70000 0xffefeea8
0xff930040 0xfffd768f 0x6fefd194 0xffff55ba 0xfffe5258
Main area (B) is OK!
CRC:0xc4e775d4, Magic1:0x5a5a5a5a, Magic2:0xa5a5a5a5, count:1, CommitedArea:0x1, Active:0x1, RunFlag:0x0

boardconfig start
Real boardID:13, SoCName:HWSOC12
Match boardID:13, SoCName:HWSOC12

NP reserve ram size:0x7d
real_ddr_size: 1073741824/1024M
uncrypt part, part_index=7
mdio waiting over time
mdio waiting over time
mdio waiting over time
mdio waiting over time

Match the dtb file index : 15!
Use flash decoupling solution
[PreLoadRD] preloadrd=0x1e00000,0x58b4
   XIP Kernel Image
End out U-boot


Uncompressing... done, booting...
Slave released
[    0.019183] OF: amba_device_add() failed (-2) for /sysctl@10100000
[    0.021214] OF: /uart1@0x10119000: could not find phandle
[    0.021354] OF: amba_device_add() failed (-2) for /system-controller@10100000
[    0.053485] OF: amba_device_add() failed (-2) for /sysctl@10100000
[    0.059942] OF: amba_device_add() failed (-2) for /system-controller@10100000
[    0.204840] mtdoops: mtd device (mtddev=name/number) must be supplied
[    1.650924] **** Total Boot time: 1650 ms, uncompress initrd cost 0 ms ****
enter rc.ttyinit................
out rc.ttyinit................

zyq53719

看看研究下

3177292

看下版主的干活

hyqjtsy7902

研究研究

h0727

谢谢分享

lwguoqing

感谢楼主分享，研究一下

虎小贝

研究一下

liweiqq2010

研究一下

上帝也哭泣

谢谢分享

pwd110

关注一下，感谢分享

133199

超赞

陈佳鑫陈帆

华为新款B866-S2 /B850-S2/B650-S2 TTL串口位置

52rem

谢谢分享

chinaben

看看，感谢感谢

lning

看看研究下