On 03/18/2011 11:01 AM, ext Arnd Bergmann wrote: > On Friday 18 March 2011, Roger Quadros wrote: >> Just curious, how do Panda boards manage to get the MAC address? Is it >> programmed in some other flash memory? >> >> The LAN9514 datasheet says >> "If a properly configured EEPROM is not detected, it is the >> responsibility of the Host LAN Driver to set the IEEE addresses." >> >> So how does the Host LAN driver know what MAC address it should use? > > This is the problem we're trying to work out. The EEPROM is not > present, and user space has no way of knowing which MAC address > to set to which device. Note that there might be multiple > USB devices of the same type that are indistinguishable to user > space, so setting the MAC address there would not be completely > safe. > And what happens if you need to use u-boot or some bootloader with ethernet network support? Wouldn't it be better to have the MAC address programmed at the bootloader level? -- regards, -roger -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
