rv1126 进入uboot之后发现没有i2c工具，需要怎么移植进去

见愁

1. Net:   eth0: ethernet@ffc40000
   
2. Hit key to stop autoboot('CTRL+C'):  0
   
3. => i2c
   
4. Unknown command 'i2c' - try 'help'
   
5. =>
   
6. Unknown command 'i2c' - try 'help'
   
7. => help
   
8. ?       - alias for 'help'
   
9. android_print_hdr- print android image header
   
10. atags   - Dump all atags
    
11. base    - print or set address offset
    
12. bdinfo  - print Board Info structure
    
13. bidram_dump- Dump bidram layout
    
14. boot    - boot default, i.e., run 'bootcmd'
    
15. boot_android- Execute the Android Bootloader flow.
    
16. boot_fit- Boot FIT Image from memory or boot/recovery partition
    
17. bootavb - Execute the Android avb a/b boot flow.
    
18. bootd   - boot default, i.e., run 'bootcmd'
    
19. bootm   - boot application image from memory
    
20. bootp   - boot image via network using BOOTP/TFTP protocol
    
21. bootrkp - Boot Linux Image from rockchip image type
    
22. bootz   - boot Linux zImage image from memory
    
23. cmp     - memory compare
    
24. coninfo - print console devices and information
    
25. cp      - memory copy
    
26. crc32   - checksum calculation
    
27. crypto_sum- crypto checksum engine
    
28. dhcp    - boot image via network using DHCP/TFTP protocol
    
29. dm      - Driver model low level access
    
30. download- enter rockusb/bootrom download mode
    
31. dump_irqs- Dump IRQs
    
32. dump_resource- dump resource list
    
33. echo    - echo args to console
    
34. editenv - edit environment variable
    
35. env     - environment handling commands
    
36. exit    - exit script
    
37. ext2load- load binary file from a Ext2 filesystem
    
38. ext2ls  - list files in a directory (default /)
    
39. ext4load- load binary file from a Ext4 filesystem
    
40. ext4ls  - list files in a directory (default /)
    
41. ext4size- determine a file's size
    
42. false   - do nothing, unsuccessfully
    
43. fastboot- use USB or UDP Fastboot protocol
    
44. fatinfo - print information about filesystem
    
45. fatload - load binary file from a dos filesystem
    
46. fatls   - list files in a directory (default /)
    
47. fatsize - determine a file's size
    
48. fatwrite- write file into a dos filesystem
    
49. fdt     - flattened device tree utility commands
    
50. fstype  - Look up a filesystem type
    
51. go      - start application at address 'addr'
    
52. gpt     - GUID Partition Table
    
53. help    - print command description/usage
    
54. iomem   - Show iomem data by device compatible(high priority) or node name
    
55. lcdputs - print string on video framebuffer
    
56. load    - load binary file from a filesystem
    
57. loop    - infinite loop on address range
    
58. ls      - list files in a directory (default /)
    
59. md      - memory display
    
60. mdio    - MDIO utility commands
    
61. mii     - MII utility commands
    
62. mm      - memory modify (auto-incrementing address)
    
63. mmc     - MMC sub system
    
64. mmcinfo - display MMC info
    
65. mtd     - MTD utils
    
66. mtd_blk - MTD Block device sub-system
    
67. mw      - memory write (fill)
    
68. nand    - NAND sub-system
    
69. nboot   - boot from NAND device
    
70. nm      - memory modify (constant address)
    
71. part    - disk partition related commands
    
72. ping    - send ICMP ECHO_REQUEST to network host
    
73. printenv- print environment variables
    
74. pxe     - commands to get and boot from pxe files
    
75. rbrom   - Perform RESET of the CPU
    
76. reboot  - Perform RESET of the CPU, alias of 'reset'
    
77. reset   - Perform RESET of the CPU
    
78. rkimgtest- Test if storage media have rockchip image
    
79. rockchip_show_bmp- load and display bmp from resource partition
    
80. rockchip_show_logo- load and display log from resource partition
    
81. rockusb - Use the rockusb Protocol
    
82. run     - run commands in an environment variable
    
83. save    - save file to a filesystem
    
84. setcurs - set cursor position within screen
    
85. setenv  - set environment variables
    
86. sf      - SPI flash sub-system
    
87. showvar - print local hushshell variables
    
88. size    - determine a file's size
    
89. source  - run script from memory
    
90. sspi    - SPI utility command
    
91. sysboot - command to get and boot from syslinux files
    
92. sysmem_dump- Dump sysmem layout
    
93. sysmem_search- Search a available sysmem region
    
94. test    - minimal test like /bin/sh
    
95. tftp    - download image via network using TFTP protocol
    
96. tftpbootm- tftpbootm aosp/uImage/FIT image via network using TFTP protocol
    
97. tftpflash- flash image via network using TFTP protocol
    
98. tftpput - TFTP put command, for uploading files to a server
    
99. true    - do nothing, successfully
    
100. ums     - Use the UMS [USB Mass Storage]
     
101. usb     - USB sub-system
     
102. usbboot - boot from USB device
     
103. version - print monitor, compiler and linker version

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799959745

uboot 里面打开 i2c 就可以了。进入到 uboot 目录执行： make ARCH=arm menuconfig。找到 i2c 配置，将其打开。编译烧录就能在uboot看到i2c工具了。

见愁

799959745 发表于 2022-11-26 17:59
uboot 里面打开 i2c 就可以了。进入到 uboot 目录执行： make ARCH=arm menuconfig。找到 i2c 配置，将其打 ...

可以了，谢谢大佬的回复