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.Ss2 Installation for Armv7 and AArch64 devices with U-Boot l -bullet -offset indent -compact t Download or build armv7.img.gz (32-bit) or arm64.img.gz (64-bit). t Decompress the .gz image, using .Xr gunzip 1 on Unix. t Write the image to disk: d -literal # dd if=armv7.img of=/dev/rld0 bs=1m conv=sync progress=1 .Ed t If you are using Microsoft Windows, you can use .Lk https://www.netbsd.org/~martin/rawrite32/ "rawrite32" to write SD card images, which can handle decompression too. t To replace the vendor U-Boot bootloader with a "mainline" U-Boot, obtain a board-specific image. Bootloaders are provided by the
a sysutils/u-boot-* packages in .Lk https://www.pkgsrc.org/ "pkgsrc" .
p If you're using pkgsrc on an UNIX-like operating system that isn't NetBSD, you must bootstrap first (see the
a README file in the root directory of pkgsrc).
p You can also extract the U-Boot image from u-boot-*.tgz archive in an existing .Lk https://cdn.netbsd.org/pub/pkgsrc/packages/NetBSD/aarch64/9.0/All/ "NetBSD binary package set".
p Install the board-specific U-Boot to the SD card, e.g. for Allwinner devices (PINE H64 in this case): d -literal # dd if=/usr/pkg/share/u-boot/pine-h64/u-boot-sunxi-with-spl.bin of=/dev/rld0 bs=1k seek=8 conv=sync progress=1 .Ed
p Or a Rockchip device (e.g. RockPro64): d -literal # dd if=/usr/pkg/share/u-boot/rockpro64/rksd_loader.img of=/dev/rld0 seek=64 conv=sync progress=1 .Ed .El .Ss2 Installing NetBSD/evbarm to a SATA hard disk Some Arm boards offer a SATA interface, and you might want to install NetBSD to a hard disk after you've got it running from an SD card. You can do this using .Xr sysinst 8 from within NetBSD.
p There are instructions for using .Lk https://wiki.netbsd.org/ports/evbarm/install_using_sysinst/ "sysinst on Arm" on the NetBSD wiki. The main difference from installing on other ports is that a FAT32 partition is required for /boot.