Hi Peter, USB_ETHER_LAN78XX is already enabled in the defconfig for Pi 3b plus. But the eth_get_ethaddr is returning null https://github.com/u-boot/u-boot/blob/1a66a7768af7e8106c2cd93a19f4013877fb85ae/include/net.h#L199
Do you know why this is not handled? On Sun, Feb 25, 2024, 14:49 Peter Robinson <pbrobin...@gmail.com> wrote: > Hi, > > > I have a Raspberry Pi 3B Plus which I want to integrate with U-boot > > (v2023.10) . > > > > I am using rpi_3_32b_defconfig to generate u-boot.bin. But while booting > I > > am getting below error > > > > Loading Environment from FAT... Unable to read "uboot.env" from mmc0:1... > > In: serial,usbkbd > > Out: serial,vidconsole > > Err: serial,vidconsole > > Net: No ethernet found. > > starting USB... > > Bus usb@7e980000: USB DWC2 > > scanning bus usb@7e980000 for devices... > > Error: lan78xx_eth address not set. > > 3 USB Device(s) found > > scanning usb for storage devices... 0 Storage Device(s) found > > Hit any key to stop autoboot: 0 > > > > In the "bdinfo", "current eth" is not set > > The ethernet address is set by the ethaddr variable, it can be viewed > by running printenv. That is then set to the ethernet0 alias in the > device tree. > > > U-Boot> bdinfo > > boot_params = 0x00000100 > > DRAM bank = 0x00000000 > > -> start = 0x00000000 > > -> size = 0x3b400000 > > flashstart = 0x00000000 > > flashsize = 0x00000000 > > flashoffset = 0x00000000 > > baudrate = 115200 bps > > relocaddr = 0x3b360000 > > reloc off = 0x3b358000 > > Build = 32-bit > > current eth = unknown > > eth-1addr = (not set) > > IP addr = <NULL> > > > > I also enabled LAN75xx in menuconfig and re-compiled u-boot. But still > the > > same error. > > I believe the driver for the USB network interface on the 3B+ is the > USB_ETHER_LAN78XX driver, > > > However on Raspberry Pi 3B, I don't see this error and "current eth" is > set > > to "smsc95xx_eth" and "ethaddr" is also available. > > Do you mean it's set at U-Boot stage or when you boot into Linux? > > Peter > >
