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Date:      Fri, 19 Jul 2013 11:13:11 -0700
From:      hiren panchasara <hiren.panchasara@gmail.com>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        freebsd-embedded <freebsd-embedded@freebsd.org>
Subject:   Re: Making Picostation m2HP work
Message-ID:  <CALCpEUHEPRDAiCZ2-hFwD1sPPQHqmNVA=E8sJREm5qmB%2BxF5cA@mail.gmail.com>
In-Reply-To: <CAJ-VmonxVF6GQXEZod9XajAK00i9ZP6=s3SSCDEL%2BJR6kgLVWQ@mail.gmail.com>
References:  <CALCpEUHxqyZb1Y5WqsuxjvwY2Pd_xN2%2BoTgsew0DwdRMC6=5Nw@mail.gmail.com> <CAJ-VmomtCNq3KUjVfcaLGjnSLjnvBWKzARs8TzebmN9MdMFkcA@mail.gmail.com> <CALCpEUGmtpVL=Y5Uqiz_h4%2BKgBDH9%2B=vC_DJHyU5rvOGOdiSag@mail.gmail.com> <CALCpEUE%2BDMq9KYBNZfJLx6DTxAY%2B1gv3uLQ3OtO-N1W1zRKL=Q@mail.gmail.com> <CAJ-VmokNR6VzdG7EC0jpEQN40He%2BUR=Y99dmzakXMfO3ojHjqw@mail.gmail.com> <CALCpEUFiQp-UrZHe9X-zxneQUc9p%2BX1Ojbp0F865a1QTPicp%2Bg@mail.gmail.com> <CALCpEUGbk8mCFqOUp6WxfdcH-kveudG-f4S0muUg4aYy0uqBtA@mail.gmail.com> <CAJ-VmomsSBSs9QumGc6z=aYQ0OUqjGcxBnnsy%2B1NR_F83KUzxg@mail.gmail.com> <CALCpEUG4FR2qugb-ZYHG%2BJ7xcOL34edkPx41yOwU7qK-BynGOw@mail.gmail.com> <CAJ-VmokPNDgkdziRFr3-MnDZudskGb0ykRk9jfY1nWhrxBZEKw@mail.gmail.com> <CAB=2f8yPSSpOZBwOv8Xr5=OtM%2BMq0-h-%2B9-tKTgjR7LvCfX6jQ@mail.gmail.com> <CALCpEUFi6qr8Cox9PpzmkPk69gb0hrhM1vepE81gqot2cVy7tQ@mail.gmail.com> <CAJ-VmonxVF6GQXEZod9XajAK00i9ZP6=s3SSCDEL%2BJR6kgLVWQ@mail.gmail.com>

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On Fri, Jul 19, 2013 at 12:02 AM, Adrian Chadd <adrian@freebsd.org> wrote:
> Cool, so next is populating the MAP device fields in a kernel config
> hints file with the relevant flash offsets.
>
> That way you can setup the rootfs right.
alright!!
>
> What's 'printenv' from uboot show?
ar7240> printenv
bootdelay=1
baudrate=115200
ethaddr=00:15:6d:0d:00:00
mtdids=nor0=ar7240-nor0
partition=nor0,0
mtddevnum=0
mtddevname=u-boot
filesize=10000
fileaddr=81000000
serverip=192.168.1.254
ethact=eth0
mtdparts=mtdparts=ar7240-nor0:256k(u-boot),64k(u-boot-env),1024k(kernel),5760k(rootfs),256k(cfg),64k(EEPROM)
bootcmd=bootm 0x9f050000
bootargs=console=tty0 root=31:03 rootfstype=squashfs init=/init
ipaddr=192.168.1.20
stdin=serial
stdout=serial
stderr=serial

Environment size: 452/65532 bytes
ar7240>

Thanks for your help :-)

cheers,
Hiren

>
>
> -adrian
>
> On 17 July 2013 16:54, hiren panchasara <hiren.panchasara@gmail.com> wrote:
>> On Tue, Jul 16, 2013 at 6:48 AM, Luiz Otavio O Souza <lists.br@gmail.com> wrote:
>>> On 16 July 2013 00:52, Adrian Chadd <adrian@freebsd.org> wrote:
>>>>
>>>> Right,
>>>>
>>>> you have to get the mdio bus configured up right, then attach arswitch to
>>>> it.
>>>>
>>>> Then you tell arge0/arge1 what PHY it speaks to, via Stefan's mdioproxy
>>>> stuff.
>>>>
>>>> _then_ arge0/arge1 will come up.
>>>>
>>>> Now, as for how you do that - i'd have to re-read the datasheet and
>>>> write some documentation:
>>>>
>>>> * one of them (I think arge0) is directly glued to arswitch with no
>>>> PHY per se - it's hard-programmed with a MIIbus mode (RMGII I think?)
>>>> and 100/full or 1000/full
>>>
>>>
>>> It's usually the arge1 which is dedicated to switch and it's hard-programmed
>>> as 1000/full (even when the switch ports are just 10/100).
>>>
>>> arge0 is the 'WAN' port (using the dedicated PHY 4).
>>>
>>> The MDIO is at arge0 on ar7240 and at arge1 on ar7241.
>>>
>>> [...]
>>>>
>>>>
>>>> I'll follow this up with a post explaining how the miibus, mdiobus,
>>>> mdioproxy stuff and how arswitch is configured. Then I'll braindump
>>>> that into the wiki.
>>>
>>>
>>> Thanks Adrian!
>>>
>>> Stefan also has a nice documentation about how this stuff fits together:
>>>
>>> https://wiki.freebsd.org/StefanBethke/EtherSwitch
>>> http://www.bsdcan.org/2012/schedule/attachments/201_BSDCan-2012-Bethke-Ethernet-Switch-Framework.pdf
>>>
>>
>> Thanks a lot Adrian and Luiz for the explanation.
>>
>> I've built just the kernel with in-tree (-head) kernconf AP91 and
>> hints file from Luiz: http://pastebin.com/Z647yiZh
>>
>> And I am seeing arge0/1 attaching:
>>
>> ar7240> go 80050100
>> ## Starting application at 0x80050100 ...
>> CPU platform: Atheros AR7241 rev 1
>> CPU Frequency=390 MHz
>> CPU DDR Frequency=390 MHz
>> CPU AHB Frequency=195 MHz
>> platform frequency: 390000000
>> CPU reference clock: 5 MHz
>> arguments:
>>   a0 = 00000001
>>   a1 = 81f4fcbc
>>   a2 = 00000010
>>   a3 = fffffffe
>> Cmd line:argv is invalid
>> Environment:
>> envp is invalid
>> Cache info:
>>   picache_stride    = 4096
>>   picache_loopcount = 16
>>   pdcache_stride    = 4096
>>   pdcache_loopcount = 8
>> cpu0: MIPS Technologies processor v116.147
>>   MMU: Standard TLB, 16 entries
>>   L1 i-cache: 4 ways of 512 sets, 32 bytes per line
>>   L1 d-cache: 4 ways of 256 sets, 32 bytes per line
>>   Config1=0x9ee3519e<PerfCount,WatchRegs,MIPS16,EJTAG>
>>   Config3=0x20
>> KDB: debugger backends: ddb
>> KDB: current backend: ddb
>> Copyright (c) 1992-2013 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 10.0-CURRENT #1 r252757M: Wed Jul 17 16:45:15 PDT 2013
>>     root@flymockour-l7.corp.yahoo.com:/usr/home/hirenp/head/obj/mips.mips/usr/home/hirenp/head/sys/AP91
>> mips
>> gcc version 4.2.1 20070831 patched [FreeBSD]
>> real memory  = 16777216 (16384K bytes)
>> avail memory = 11968512 (11MB)
>> random device not loaded; using insecure entropy
>> nexus0: <MIPS32 root nexus>
>> clock0: <Generic MIPS32 ticker> on nexus0
>> Timecounter "MIPS32" frequency 195000000 Hz quality 800
>> Event timer "MIPS32" frequency 195000000 Hz quality 800
>> argemdio0: <Atheros AR71xx built-in ethernet interface, MDIO
>> controller> at mem 0x1a000000-0x1a000fff on nexus0
>> mdio0: <MDIO> on argemdio0
>> mdioproxy0: <MII/MDIO proxy, MDIO side> on mdio0
>> arswitch0: <Atheros AR7240 Ethernet Switch> on mdio0
>> miibus0: <MII bus> on arswitch0
>> ukphy0: <Generic IEEE 802.3u media interface> PHY 0 on miibus0
>> ukphy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
>> 1000baseT-FDX, 1000baseT-FDX-master, auto
>> miibus1: <MII bus> on arswitch0
>> ukphy1: <Generic IEEE 802.3u media interface> PHY 1 on miibus1
>> ukphy1:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
>> 1000baseT-FDX, 1000baseT-FDX-master, auto
>> miibus2: <MII bus> on arswitch0
>> ukphy2: <Generic IEEE 802.3u media interface> PHY 2 on miibus2
>> ukphy2:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
>> 1000baseT-FDX, 1000baseT-FDX-master, auto
>> miibus3: <MII bus> on arswitch0
>> ukphy3: <Generic IEEE 802.3u media interface> PHY 3 on miibus3
>> ukphy3:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
>> 1000baseT-FDX, 1000baseT-FDX-master, auto
>> mdio1: <MDIO> on arswitch0
>> mdioproxy1: <MII/MDIO proxy, MDIO side> on mdio1
>> etherswitch0: <Switch controller> on arswitch0
>> apb0 at irq 4 on nexus0
>> uart0: <16550 or compatible> on apb0
>> uart0: console (115200,n,8,1)
>> pcib0 at irq 0 on nexus0
>> pcib0: found EEPROM at 0x1fff1000 on 0.0.0
>> pcib0: EEPROM firmware: 0x1fff1000 @ 4096 bytes
>> pcib0: device EEPROM 'pcib.0.bus.0.0.0.eeprom_firmware' registered
>> pci0: <PCI bus> on pcib0
>> pci0: <network> at device 0.0 (no driver attached)
>> arge0: <Atheros AR71xx built-in ethernet interface> at mem
>> 0x19000000-0x19000fff irq 2 on nexus0
>> arge0: Overriding MAC from EEPROM
>> miiproxy0: <MII/MDIO proxy, MII side> on arge0
>> miiproxy0: attached to target mdio1
>> arge0: finishing attachment, phymask 0010, proxy set
>> miibus4: <MII bus> on miiproxy0
>> ukphy4: <Generic IEEE 802.3u media interface> PHY 4 on miibus4
>> ukphy4:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
>> 1000baseT-FDX, 1000baseT-FDX-master, auto
>> arge0: Ethernet address: 8e:42:00:5c:3c:04
>> arge1: <Atheros AR71xx built-in ethernet interface> at mem
>> 0x1a000000-0x1a000fff irq 3 on nexus0
>> arge1: finishing attachment, phymask 0000, proxy null
>> arge1: Ethernet address: 8e:42:00:5c:3c:05
>> spi0: <AR71XX SPI> at mem 0x1f000000-0x1f00000f on nexus0
>> spibus0: <spibus bus> on spi0
>> mx25l0: <M25Pxx Flash Family> at cs 0 on spibus0
>> mx25l0: w25q64, sector 65536 bytes, 128 sectors
>> ar71xx_wdog0: <Atheros AR71XX watchdog timer> on nexus0
>> ar71xx_wdog0: Previous reset was due to watchdog timeout
>> Timecounters tick every 1.000 msec
>> arswitch0port1: link state changed to DOWN
>> arswitch0port2: link state changed to DOWN
>> arswitch0port3: link state changed to DOWN
>> arswitch0port4: link state changed to DOWN
>> Trying to mount root from ufs:/dev/map/rootfs.uncompress []...
>> mountroot: waiting for device /dev/map/rootfs.uncompress ...
>> Mounting from ufs:/dev/map/rootfs.uncompress failed with error 19.
>>
>> Loader variables:
>>
>> Manual root filesystem specification:
>>   <fstype>:<device> [options]
>>       Mount <device> using filesystem <fstype>
>>       and with the specified (optional) option list.
>>
>>     eg. ufs:/dev/da0s1a
>>         zfs:tank
>>         cd9660:/dev/acd0 ro
>>           (which is equivalent to: mount -t cd9660 -o ro /dev/acd0 /)
>>
>>   ?               List valid disk boot devices
>>   .               Yield 1 second (for background tasks)
>>   <empty line>    Abort manual input



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