Hi, On Sun, 25 Feb 2024 at 12:25, Sourabh Hegde Ramu <hrsourabh1...@gmail.com> wrote: > > Hi Anand, > > Thanks for the update. > > Yes, I can set it manually. But this should be done by u-boot, right? Is > there any reason why this is not happening on Pi 3b plus? > I have other Raspberry Pi (4 & 3b) and they are working fine. > > Also, is this MAC address for LAN75xx or LAN78xx? The error message shows > lan78xx_eth. >
Most of the ethernet controllers get the MAC address via EPROM. or they used some logic to set the MAC address. check CONFIG_NET_RANDOM_ETHADDR this flag is needed for your device. Thanks -Anand > > On Sun, Feb 25, 2024, 06:50 Anand Moon <linux.am...@gmail.com> wrote: >> >> Hi, >> >> On Sat, 24 Feb 2024 at 01:56, Sourabh Hegde Ramu >> <hrsourabh1...@gmail.com> wrote: >> > >> > Hello, >> > >> > 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 >> > >> > 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. >> > >> > However on Raspberry Pi 3B, I don't see this error and "current eth" is set >> > to "smsc95xx_eth" and "ethaddr" is also available. >> > >> > Can anyone please let me know the issue with Raspberry Pi 3b plus? >> > >> > Thanks in advance. >> >> Can you set the MAC address in boot environment? >> >> # setenv ethaddr 00:14:05:42:03:BB >> # saveenv >> >> It should update the mac address for LAN75xx >> printenv should display the mac address >> >> Thanks >> -Anand
