===========================================================================
$NetBSD: MESSAGE,v 1.3 2019/08/13 21:28:47 tnn Exp $

Example command to install U-Boot to an empty SD card:

# dd if=${LOCALBASE}/share/u-boot/rockpro64/rksd_loader.img seek=64 of=/dev/rld0d

Alternatively, to install to SPI flash:

dd if=${LOCALBASE}/share/u-boot/rockpro64/rkspi_loader.img bs=64k of=/dev/spiflash0

See also http://opensource.rock-chips.com/wiki_Boot_option

===========================================================================