F1C200s: Write a System to SPI NAND Flash

This example shows how to use XFEL to flash a complete system to SPI NAND Flash.

Applicable chips

• F1C100S / F1C200S / F1C500S (boards with SPI NAND Flash)

Steps

xfel spinand                                          # Detect SPI NAND Flash
xfel spinand erase 0x000000 134217728                 # Erase the whole Flash (128 MB)
xfel spinand write 0x000000 u-boot-sunxi-with-nand-spl.bin   # Write U-Boot (with SPL)
xfel spinand write 0x80000 splash.bmp                 # Write boot splash
xfel spinand write 0x100000 kernel.itb                # Write kernel
xfel spinand write 0x600000 rootfs.squashfs           # Write root filesystem

Example partition layout

Offset	Content	Description
0x000000	U-Boot (with SPL)	Bootloader
0x080000	splash.bmp	Boot splash image
0x100000	kernel.itb	Kernel image (FIT format)
0x600000	rootfs.squashfs	Read-only root filesystem

Explanation

1. Run xfel spinand first to detect the Flash and confirm the model and capacity;
2. Erase the corresponding region before writing;
3. The partition offsets must match U-Boot's partition table.

note

If the SPL must be written along page boundaries, use the splwrite subcommand:

xfel spinand splwrite 1048576 0x000000 u-boot-sunxi-with-nand-spl.bin