Hello Together, I'm happy to share you, I have updated the uboot binary version from existing 2018 to 2021.04. Here are the following steps I followed to update the uboot. Created new Board files for RB A5D2x.(board/atmel/rugged_board_a5d2x/) Modified the Nor flash driver information strings (drivers/mtd/spi/spi-nor-ids.c) Created RB config include file to specify the configs directly(include/configs/rugged_board_a5d2x.h) Created RB dts and dtsi files from sama5d27_som_ek1 reference(arch/arm/dts/rugged_board_a5d2x.dts, (arch/arm/dts/rb_a5d2x.dtsi) Created defconfig GitHub - jagannath-sahoo/u-boot-at91 at u-boot-2021.04-rba5d2x Branch: u-boot-2021.04-rba5d2x

Hello Together, I have successfully able to update to new version of bootstrap and u-boot. Here is the process for updating Bootstrap. Add support for the DDR RAM. Enable 64MB RAM configuration and chip W9751G6KB Update the defconfig as per the board configurations For Nor Flash: rugged_board_a5d2xqspi_uboot_defconfig For SD Card: rugged_board_a5d2xsd1_uboot_defconfig GitHub - jagannath-sahoo/at91bootstrap: Second level bootloader for Microchip SoC (aka AT91) Branch: at91bootstrap4-rba5d2x

Hello I used the images from available resource. This image of u-boot is not having tftp command in it. But however it has tftpboot. 1. Soo is it issue with image? 2. How to boot using tftpboot command? Can you please give any reference example? U-boot image path. (https://phytecembeddedin-my.sharepoint.com/:f:/g/personal/rbdev_phytecembedded_in/EoI5CKL4f6VIna3Av0PLOWMBP2QwHxjn7Ok0ppFxgwh30w?e=pRTEud)