Hi Guys,

i am trying to get FreeBSD running on Mikrotik RB1100.

the box is pretty much straightforward, has a P2020E/P2010 SOC with 3 GE 
controllers.
two of the controllers has an AR8327 on them, the third one is connected to an 
AR8035 rgmii phy.
there are two PCIe GE controllers (AR8131).

after some poking the box booted 10.3 prerelease via bootp, but failed to find 
the phy and
to enumerate the switches. but the switches are my least concern, first get the 
box running freebsd
properly.

so the boot ended up in a kernel panic:
transfer started ................................................... transfer 
ok, time=2.09s
setting up elf image... OK
jumping to kernel code
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2016 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 10.3-PRERELEASE #0: Tue Jan 19 20:23:09 CET 2016
    bat@ppcbuilder:/usr/obj/powerpc.powerpc/usr/src/sys/MPC85XX powerpc
gcc version 4.2.1 20070831 patched [FreeBSD]
WARNING: WITNESS option enabled, expect reduced performance.
cpu0: Freescale e500v2 core revision 5.1, 1066.65 MHz
cpu0: Features 84000000<PPC32,MMU>
cpu0: HID0 80804000<EMCP,DOZE,TBEN>
real memory  = 2080358400 (1983 MB)
avail memory = 2040160256 (1945 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0: dev=0 (BSP)
cpu1: dev=1
random device not loaded; using insecure entropy
random: <Software, Yarrow> initialized
ofwbus0: <Open Firmware Device Tree> on nexus0
simplebus0: <Flattened device tree simple bus> mem 0xe0000000-0xe00fffff on 
ofwbus0
openpic0: <OpenPIC Interrupt Controller> mem 0x40000-0x7ffff on simplebus0
uart0: <16550 or compatible> mem 0x4500-0x45ff irq 42 on simplebus0
uart0: console (115339,n,8,1)
tsec0: <Enhanced Three-Speed Ethernet Controller> mem 0x26000-0x26fff irq 
31,32,33 on simplebus0
mii_attach: invalid phyloc 33575
tsec0: attaching PHYs failed
tsec0: could not be configured
device_attach: tsec0 attach returned 6
tsec0: <Enhanced Three-Speed Ethernet Controller> mem 0x24000-0x24fff irq 
29,30,34 on simplebus0
mii_attach: invalid phyloc 33575
tsec0: attaching PHYs failed
tsec0: could not be configured
device_attach: tsec0 attach returned 6
tsec0: <Enhanced Three-Speed Ethernet Controller> mem 0x25000-0x25fff irq 
35,36,40 on simplebus0
miibus0: <MII bus> on tsec0
ukphy0: <Generic IEEE 802.3u media interface> PHY 1 on miibus0
ukphy0: OUI 0x00c82e, model 0x0003, rev. 3
ukphy0:  no media present
ifmedia_set: no match for 0x0/0xfffffff
panic: ifmedia_set
cpuid = 0
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      kdb_enter+0x60: addi    r0, r0, 0x0

i did some changes to atphy and miidevs to get past the detection (just added 
the model number).
miibus0: <MII bus> on tsec2
atphy0: <Atheros AR8035 10/100/1000 PHY> PHY 1 on miibus0
atphy0: OUI 0x00c82e, model 0x0003, rev. 3
atphy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT-FDX, 
1000baseT-FDX-master, auto
tsec0: attaching PHYs OK!
tsec0: Ethernet address: d4:ca:6d:33:57:90
tsec0: so far we cool
tsec0: tx int ok
tsec0: rx int ok
tsec0: err int ok

so at least i got rid of panic, properly retrieved mac address, but the box 
does not see link. i’ll try to look into this and asked Pyun who wrote the 
atphy part
for help and advices.

since bootp is wired to this ethernet controller, it does not want to seek 
further. so i disabled it, and added alc to the kernel config. although pci is 
also in
the config, pci bus is not detected and enumerated, so no chance to detect the 
pcie GEs.

i need some kind of network support to able to connect to NFS to have a root 
fs, so either way (pcie ge or rgmii on tsec) is a good fix for me.

i tried to insert ramdisk into the kernel with some minimal tools to look 
around. it gets to mountroot but fails to mount the ufs on md0 with error 22.
i am crosscompiling the stuff on 10.2-release on i386, and created the disk 
image using the usual manual way.
if someone is able to give a hint why this latter could fail, i’d be very happy!

kind regards,
Attila

block diagram:
http://www.cloudrouterswitches.com/images/Ethernet-Routers/RB1100AHx2-Block-Diagram.jpg
 
<http://www.cloudrouterswitches.com/images/Ethernet-Routers/RB1100AHx2-Block-Diagram.jpg>

the kernel config:
# Custom kernel for Freescale MPC85XX development boards like the CDS etc.
#
# $FreeBSD: stable/10/sys/powerpc/conf/MPC85XX 266331 2014-05-17 17:34:37Z ian $
#

cpu             BOOKE
cpu             BOOKE_E500
ident           MPC85XX

machine         powerpc powerpc

makeoptions     DEBUG="-Wa,-me500 -g"
makeoptions     NO_MODULES=yes

options         FPU_EMU

options         _KPOSIX_PRIORITY_SCHEDULING
options         ALT_BREAK_TO_DEBUGGER
options         BREAK_TO_DEBUGGER
options         BOOTP
options         BOOTP_NFSROOT
options         BOOTP_NFSV3
options         BOOTP_WIRED_TO=tsec0
options         CD9660
options         COMPAT_43
options         DDB
#options        DEADLKRES
options         DEVICE_POLLING
#options        DIAGNOSTIC
options         FDT
makeoptions     FDT_DTS_FILE=mpc8572ds.dts
#makeoptions    FDT_DTS_FILE=mpc8555cds.dts
options         FFS
options         GDB
options         GEOM_PART_GPT
options         INET
#options        INET6
#options        INVARIANTS
#options        INVARIANT_SUPPORT
options         KDB
options         KTRACE
options         MD_ROOT
options         MPC85XX
options         MSDOSFS
options         NFS_ROOT
options         NFSCL
options         NFSLOCKD
options         PROCFS
options         PSEUDOFS
options         SCHED_ULE
options         CAPABILITIES
options         CAPABILITY_MODE
options         SMP
options         SYSVMSG
options         SYSVSEM
options         SYSVSHM
#options        WITNESS
#options        WITNESS_SKIPSPIN

device          ata
device          bpf
device          cfi
device          crypto
device          cryptodev
device          da
device          ds1553
#device         em
device          alc
device          ether
#device         fxp
device          iic
device          iicbus
#device         isa
device          loop
device          md
device          miibus
device          pass
device          pci
#device         quicc
device          random
#device         rl
device          scbus
device          scc
#device         sec
device          tsec
device          tun
device          uart
options         USB_DEBUG       # enable debug msgs
#device         uhci
#device         umass
#device         usb
#device         vlan
device          nand
device          gpio

#options           ROOTDEVNAME=\"ufs:md0\"
#options           MD_ROOT_SIZE=8192
#makeoptions       MFS_IMAGE=/test/root.img

device mmc
device mmcsd
device sdhci

device etherswitch
device miiproxy
device arswitch
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