flash-emmc-components-sama5d2xplained

Last modified by Microchip on 2025/07/17 12:35

Programming components into eMMC flash

Program rootfs file

With SAM-BA you can directly program SD/MMC images to the on-board eMMC. These images are named *.img or *.wic for the ones generated by Yocto Project.

# sam-ba -p serial -b sama5d2-xplained -a sdmmc -c write:atmel-qt5-demo-image-sama5d2-xplained.wic
Opening serial port 'ttyACM0'
Connection opened.
Detected memory size is 3925868544 bytes.
Page size is 512 bytes.
Buffer is 88576 bytes (173 pages) at address 0x0022a5a0.
Executing command 'write:atmel-qt5-demo-image-sama5d2-xplained.wic'
Wrote 88576 bytes at address 0x00000000 (0.02%)
Wrote 88576 bytes at address 0x00015a00 (0.04%)
Wrote 88576 bytes at address 0x0002b400 (0.05%)
Wrote 88576 bytes at address 0x00040e00 (0.07%)
Wrote 88576 bytes at address 0x00056800 (0.09%)
[..]
Wrote 88576 bytes at address 0x1d4e8600 (99.98%)
Wrote 88576 bytes at address 0x1d4fe000 (100.00%)
Wrote 4608 bytes at address 0x1d513a00 (100.00%)
Connection closed.
Information

Note that programming a rootfs of several hundreds of MiB will take a few minutes to complete.