Thank you for the clarification. I've correct my issue by partitioning the MMC storage and formatting the partition FAT. Then burning the U-Boot Image to 8K in on the raw media.
On Tue, Dec 18, 2018 at 12:48 AM Heinrich Schuchardt <xypron.g...@gmx.de> wrote: > On 12/6/18 7:12 PM, Robin Polak wrote: > > Hello. > > > > I'm having trouble persisting my environment variables to the SD Card > > onto which I have FAT formatted and then written U-Boot to using the > > following command: > > > > sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/disk2 bs=1024 seek=8 > > > > I get the following error when booting a Linksprite_pcDuino3_Nano with > the > > SD Card I've built: > > > > U-Boot SPL 2018.11 (Dec 06 2018 - 17:57:48 +0000) > > DRAM: 1024 MiB > > CPU: 912000000Hz, AXI/AHB/APB: 3/2/2 > > Trying to boot from MMC1 > > > > > > U-Boot 2018.11 (Dec 06 2018 - 17:57:48 +0000) Allwinner Technology > > > > CPU: Allwinner A20 (SUN7I) > > Model: LinkSprite pcDuino3 Nano > > I2C: ready > > DRAM: 1 GiB > > MMC: SUNXI SD/MMC: 0 > > Loading Environment from FAT... Unable to use mmc 0:0... In: serial > > Out: serial > > Err: serial > > SCSI: SATA link 0 timeout. > > AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode > > flags: ncq stag pm led clo only pmp pio slum part ccc apst > > > > Net: eth0: ethernet@1c50000 > > starting USB... > > USB0: USB EHCI 1.00 > > USB1: USB OHCI 1.0 > > USB2: USB EHCI 1.00 > > USB3: USB OHCI 1.0 > > scanning bus 0 for devices... 1 USB Device(s) found > > scanning bus 2 for devices... 1 USB Device(s) found > > scanning usb for storage devices... 0 Storage Device(s) found > > Hit any key to stop autoboot: 0 > > => saveenv > > Saving Environment to FAT... Unable to use mmc 0:0... Failed (1) > > Partitions are numbered from 1. So partition 1 would be mmc 0:1. > > mmc 0:0 would require that there is no partition table and the FAT file > system starts in block 0. > > Please, check the value of CONFIG_ENV_FAT_DEVICE_AND_PART in your > configuration. The default is CONFIG_ENV_FAT_DEVICE_AND_PART="0:auto" > > With "auto" function blk_get_device_part_str() looks for the first > partition that has the bootable flag set. > > So to analyze your problem further please look at the output of > > sudo fdisk -l /dev/<your_SD_card> > > assuming that you use a DOS partition table. > > Best regards > > Heinrich > > > > > Thank you for any light that may be shed upon this error. > > > > -- -- Robin Polak ro...@robinpolak.com 917-494-2080 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
