> There is no driver for either sd controller and the wireless is
> attached via sdio.
> Firmware and a device tree for the 3b+ are included in arm64
> snapshots, but I've not heard of anyone verifying a 3b+ boots yet.
> The integrated USB Ethernet is only supported on the 3b, the 3b+
> changed to a chip there isn't a driver for yet.  Supposedly USB boot
> is enabled by default on the 3b+ without having to first have a
> config.txt on an sd card with a special setting like the 3b.

The 3B+ is booting OpenBSD 6.3-current (snapshot 2018-04-06), but
without network (3B has LAN9514, 3B+ has LAN7515). And yes, 3B+
seems to boot from USB too by default.

I tried NetBSD 8.99.14 from Jun Ebihara with the 2018-03-24-updates.
Network is detected, but not working there:

 ugen0: SMSC (0x424) LAN7800 USB 3.1 gigabit ethernet device (0x7800), rev 
2.10/3.00, addr 4

More infos and the boot-image at:

Its odd: The LAN7515 identifies as a 0424/7800, so it seems to
need the LAN7800-driver (smsc78xx?), not a LAN7500. See

And finally the dmesg of OpenBSD 6.3-current on Raspberry Pi 3
Model B+ (PLUS). The lines different to the 3B (without +) booted
with the same image are marked with an asterisk "*":

OpenBSD 6.3-current (RAMDISK) #224: Fri Apr  6 03:13:14 MDT 2018
real mem  = 959107072 (914MB)
avail mem = 892600320 (851MB)
*mainbus0 at root: Raspberry Pi 3 Model B Plus Rev 1.3
cpu0 at mainbus0 mpidr 0: ARM Cortex-A53 r0p4
efi0 at mainbus0: UEFI 2.7
efi0: Das U-Boot rev 0x0
simplefb0 at mainbus0: 656x416
wsdisplay0 at simplefb0
wsdisplay0: screen 0 added (std, vt100 emulation)
simplebus0 at mainbus0: "soc"
bcmintc0 at simplebus0
bcmdog0 at simplebus0
bcmrng0 at simplebus0
pluart0 at simplebus0
bcmaux0 at simplebus0
com0 at simplebus0: ns16550, no working fifo
com0: console
dwctwo0 at simplebus0
simplebus1 at mainbus0: "clocks"
agtimer0 at mainbus0: tick rate 19200 KHz
usb0 at dwctwo0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Broadcom DWC2 root hub" rev 
2.00/1.00 addr 1
uhub1 at uhub0 port 1 configuration 1 interface 0 "Standard Microsystems 
product 0x2514" rev 2.00/b.b3 addr 2
*uhub2 at uhub1 port 1 configuration 1 interface 0 "Standard Microsystems 
product 0x2514" rev 2.00/b.b3 addr 3
bootfile: sd0a:/bsd
boot device: lookup sd0a:/bsd failed 
root on rd0a swap on rd0b dump on rd0b

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