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No daughter card found



我用的是beaglebone,启动信息如下

[    0.862548] No daughter card found                                                        

[    0.866149] at24 1-0050: 32768 byte 24c256 EEPROM, writable, 64 bytes/write              

[    0.881347] Board name: A335BONE                                                          

[    0.884704] Board version: 00A5                                                          

[    0.887969] The board is a AM335x Beaglebone.      

No daughter card ——这个daughter card就是扩展板吗,问题是我已经把baseboard插在扩展板上了啊,扩展板用的也是从chipsee购买的和beaglebone配套的板子,怎么能识别不出来呢?

  • 是的,就是扩展板,有没有扩展板是根据eeprom的读出的id来判断的, 默认的eeprom中应该是没有标明带扩展板的,你可以看看linux-am33x\arch\arm\mach-omap2\Board-am335xevm.c中的am335x_daughter_board_eeprom_info函数, 你没必要依赖这个eeprom的,可以直接做配置