Date: Fri, 19 Jul 2013 00:02:28 -0700 From: Adrian Chadd <adrian@freebsd.org> To: hiren panchasara <hiren.panchasara@gmail.com> Cc: freebsd-embedded <freebsd-embedded@freebsd.org> Subject: Re: Making Picostation m2HP work Message-ID: <CAJ-VmonxVF6GQXEZod9XajAK00i9ZP6=s3SSCDEL%2BJR6kgLVWQ@mail.gmail.com> In-Reply-To: <CALCpEUFi6qr8Cox9PpzmkPk69gb0hrhM1vepE81gqot2cVy7tQ@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>
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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. What's 'printenv' from uboot show? -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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