• [00:00:17] * OperServ sets mode +o Corey
  • [00:00:29] * Corey sets mode +o jkridner
  • [00:00:33] <CanyonMon> woof
  • [00:00:36] * Corey sets mode -o Corey
  • [00:00:37] * CanyonMon is now known as CanyonMan
  • [00:00:50] <Corey> jkridner: Please register the channel via chanserv. :-)
  • [00:00:56] <aholler> jkridner: now don't forget to use chanserv ;)
  • [00:00:57] <CanyonMan> <-- SilicaGel@home
  • [00:01:17] * thurbad (~natesewel@64.132.24.248) Quit (Read error: Connection reset by peer)
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  • [00:01:24] <aholler> wow, finally this channel has got an op ;)
  • [00:02:00] * ChanServ sets mode -s+c
  • [00:02:25] <jkridner> amazing.
  • [00:02:26] <jkridner> :)
  • [00:02:29] <djlewis> we riding in high cotton now :)
  • [00:02:36] <thurbad_> spooky
  • [00:02:36] * CanyonMan happily trying to figure out which serial port on the bone he wants to attach to an XBee Pro
  • [00:02:37] <jkridner> Corey: thanks!!! :)
  • [00:03:07] * brijesh (~bksingh@nat/ti/x-lfqmvdjbgtmgnkfl) Quit ()
  • [00:03:09] <jkridner> I need to go ahead and just kill #beagleboard and #beaglebone now, since they aren't reaching critical mass.
  • [00:03:20] <CanyonMan> NO!
  • [00:03:23] <jkridner> of course, I can do redirects now. :)
  • [00:03:37] <jkridner> CanyonMan: k. make your case and I'll read the logs...
  • [00:03:47] <CanyonMan> hehe
  • [00:03:49] <CanyonMan> i need handshaking
  • [00:03:58] <djlewis> sounds personal
  • [00:04:01] <CanyonMan> using UART1 means giving up the possibility of a DCAN
  • [00:04:06] <jkridner> stepping out of ELC presentation to get some coffee
  • [00:04:08] <CanyonMan> one anyway
  • [00:05:30] <djlewis> later . . .
  • [00:05:35] * djlewis (~djelwis@adsl-65-64-30-13.dsl.ltrkar.swbell.net) Quit (Quit: Leaving.)
  • [00:05:48] <Corey> weeee
  • [00:05:53] <Corey> jkridner: Check your email when you get a few.
  • [00:05:57] <jkridner> k
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  • [00:07:18] * jkridner (~jason@pdpc/supporter/active/jkridner) Quit (Quit: jkridner)
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  • [00:15:02] <jay6981> there was an op for a whole 5 minutes?
  • [00:15:59] <aholler> there wasn't one for about 2 years or more
  • [00:16:02] <CanyonMan> I can't use UART2 because that's got to be there for I2C2 for capes and I think the on board eeprom is on that anyway.
  • [00:16:14] <jay6981> heh
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  • [00:25:37] <CanyonMan> uart3 txd and rxd aren't on the bone
  • [00:25:45] * Russ (~russ@conference/linaro-connect/x-lnkkhwxybtmudwbw) has joined #beagle
  • [00:26:18] <CanyonMan> uart4 is mmc1. I might want that for SDIO mode for wifi.
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  • [00:29:06] * TheAlphaNerd (~thealphan@unaffiliated/thealphanerd) has joined #beagle
  • [00:30:40] <aholler> but it's a good feeling to know someone can kick me if I start saying stupid things ;)
  • [00:30:59] <CanyonMan> if you say smart things, can they recall you back?
  • [00:31:31] <aholler> no, they won't see them if I'm not here ;)
  • [00:31:32] <mranostay> well as long as trolling is okay i'm fine
  • [00:31:58] <CanyonMan> what if, after you are kicked, we have you tailed by a private investigator
  • [00:32:02] * gdm_ (~gdm@186.19.75.44) Quit (Ping timeout: 244 seconds)
  • [00:32:15] <mranostay> er was that in the Freenode TOS?
  • [00:32:18] <aholler> but most of the time I'm just troll under trolls in this channels ;)
  • [00:32:28] <aholler> s/troll/a troll/
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  • [00:42:43] <nf119> hey guys, is there rules for joining http://groups.google.com/group/beagleboard ? my request got denied today
  • [00:43:29] <mranostay> heh
  • [00:43:42] <mranostay> i seem to recall this happening before recently
  • [00:44:14] <nf119> just keep on trying?
  • [00:44:37] <CanyonMan> Was there a reason given?
  • [00:44:42] <CanyonMan> like "you smell" or "you're ugly" ?
  • [00:44:59] <nf119> nope, emali was short " Your subscription to Beagle Board was not approved. If you have questions related to this or any other Google group, please visit the Help Center. "
  • [00:45:11] <CanyonMan> maybe it just timed out?
  • [00:45:11] * jay6981 (~Adium@38.114.132.193) Quit (Quit: Leaving.)
  • [00:45:24] <nf119> yea maybe, it's been two days i think
  • [00:46:08] <nf119> just wanted to make sure there wasn't any kinda of requirements for joining (except for passing off as human)
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  • [00:49:02] <mranostay> bribe money is always welcme
  • [00:49:04] <mranostay> *welcome
  • [00:49:23] <CanyonMan> no, just being a human should be enough
  • [00:49:28] <CanyonMan> It took a while before I got added though
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  • [00:50:17] <mranostay> CanyonMan: is Jason or someone manually approving these?
  • [00:50:37] <nf119> mranostay: who do i give the donations?
  • [00:50:46] <CanyonMan> I don't know who jason is, but, based on the irregulator delays, I think it's a human.
  • [00:51:09] <mranostay> CanyonMan: jkridner
  • [00:51:19] <CanyonMan> Really?
  • [00:51:23] <CanyonMan> I already know a Jason.
  • [00:51:26] <CanyonMan> Can you get him to change?
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  • [04:02:56] <AtomSoft> Hey All, anyone up?
  • [04:04:26] * Crofton (~balister@conference/linaro-connect/x-hmkslblunztiatmr) has joined #beagle
  • [04:04:42] <AtomSoft> Im having a little issue with my BeagleBoard-xM... on the actual PCB it has a B rev sticker but when i startup in a terminal it says Rev A which do i trust?
  • [04:05:42] <AtomSoft> I know B is supposed to be A3 or something like that with a minor difference but its not like it says REV A3 in the terminal just A
  • [04:05:48] * jack_ (3d5fc1e7@gateway/web/freenode/ip.61.95.193.231) has joined #beagleboard
  • [04:06:14] <jack_> hi. is this is right place for beaglebone queries?
  • [04:06:22] <jack_> or is there some other channel?
  • [04:07:01] * jack_ (3d5fc1e7@gateway/web/freenode/ip.61.95.193.231) has joined #beaglebone
  • [04:07:32] <jack_> hi. i am having trouble with the bitbake command sequence given on the angstrom wiki
  • [04:07:41] <AtomSoft> Is anyone up here... got a simple question (for you perhaps)... confusing for me...
  • [04:07:43] <jack_> are there updated instructions to get it to work?
  • [04:07:56] <viridari> step 1) replace angstrom with something sane
  • [04:08:04] <viridari> 2) relax & enjoy your beaglebone
  • [04:08:47] <jack_> :) and what would that be. noob here
  • [04:09:20] <jack_> i just followed the commands at the end of the page here http://www.angstrom-distribution.org/demo/beaglebone/
  • [04:09:22] <viridari> http://www.elinux.org/BeagleBoardUbuntu
  • [04:09:25] <viridari> go for 12.04
  • [04:09:34] <viridari> angstrom is for masochists
  • [04:09:49] <viridari> you're not a bad person, no need to hurt youself
  • [04:09:53] <viridari> yourself*
  • [04:10:54] <viridari> you can't have angstrom without angst
  • [04:11:17] * AtomSoft (4a48c4f3@gateway/web/freenode/ip.74.72.196.243) Quit (Quit: Page closed)
  • [04:13:22] <jack_> hmm... let me try out 12.04. i wonder why people put up commands without verifying that it actually works
  • [04:14:04] <viridari> I followed the angstrom wiki when I got my beaglebone in the mail and it bricked my 'bone.
  • [04:14:12] <viridari> good thing these boot from SD cards
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  • [05:31:32] <hitlin37> AtomSoft??
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  • [07:59:17] <koen> jkridner: heh, after 3 years
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  • [07:59:29] <jkridner> :)
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  • [08:15:18] <LetoThe2nd> jkridner: it worked out?
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  • [08:19:17] * etheretic gasps at the unbridled galaxy-conquering power unleashed in #beagle
  • [08:21:31] <etheretic> shame rich people's imagination can be put in a matchbox without removing the matches.
  • [08:22:25] <etheretic> (re. financing certain very interesting, userfriendly and potentially lucrative projects)
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  • [08:42:48] <etheretic> oh look, got a nice reply from PixelQi re. my extraordinarily fantastic bb-based navs device :-D
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  • [09:24:36] <av500> http://free-electrons.com/blog/
  • [09:24:36] <av500> nice views on yocto
  • [09:29:02] <mIKEjONES> http://free-electrons.com/graphics/gregory-clement.png
  • [09:29:13] * Jayneil (60260c8a@gateway/web/freenode/ip.96.38.12.138) has joined #beagle
  • [09:29:14] <mIKEjONES> all I can imagine that guy saying is "je suis une jeune fille"
  • [09:31:36] <Jayneil> hi all, I just built my angstrom image using http://narcissus.angstrom-distribution.org/ . Now when I boot my BeagleBoard Xm rev C, I get the log in screen and also the console on the serial port. But my mouse is not detected..
  • [09:31:50] <Jayneil> I even tried using a self powered hub..even that does not work
  • [09:32:13] <Jayneil> the usb port is detected and even displayed when I write lsusb
  • [09:32:25] <Jayneil> but still the mouse does not work
  • [09:32:32] <Jayneil> so please help me out
  • [09:33:26] * av500 wonders why Linux software needs to be "ported" from e.g. Fedora to Ubuntu.....
  • [09:44:26] <Jayneil> anyone know a solution to my problem??
  • [09:44:49] * jpirko (~jirka@2001:718:801:233:a288:b4ff:fe60:5a40) Quit (Ping timeout: 245 seconds)
  • [09:45:09] <av500> you need a hub inbetween
  • [09:45:15] <av500> ah no
  • [09:45:18] <av500> XM has a hub
  • [09:45:21] <av500> it should work
  • [09:45:50] <av500> pastebin full boot log and dmegs when you plug the mouse
  • [09:46:10] * LetoThe2nd notes that building a cross gcc on the bone results in OOM striking hard and fast :)
  • [09:46:44] * wizzkaz (~wizzkaz@77-22-70-121-dynip.superkabel.de) Quit (Quit: ~ Trillian Astra - www.trillian.im ~)
  • [09:47:04] <Jayneil> This is the output I get on minicom when the board boots up: Te???as Instruments X-L ader 1.5.0 (Jun 14 2011 - 22:04:07) Beagle ???M U??????????????? boot sect r L ading u-boot.bin fr m mmc U-B ot 2011.03-rc1-00000-g9a3cc57-dirt~B ?????? 01 2011 - 17:41:42) _MAP36XX?37XX-GP ES2.1, CPU-OPP2, L3-165MH? j?????????CPU Cl ck 1 Gh _MAP3 Beagle board + LPDDR?NAND I2C: ????????? DRAM: 512 MiB
  • [09:47:31] <Jayneil> this is not the full log..it is too long.
  • [09:47:35] <LetoThe2nd> lokks like a confused uart or rs232 adapter.
  • [09:47:46] <Jayneil> but i also get these strange symbols on minicom
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  • [09:51:05] <LetoThe2nd> i didn't say that i mean the one on the beagle ;)
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  • [09:51:50] <av500> Jayneil: use pastebin
  • [09:51:55] <Jayneil> but when I type lsusb in the console, it gives me a valid output such as : Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 rot hub
  • [09:52:09] <av500> pastebin full boot log and dmegs when you plug the mouse
  • [09:52:15] <av500> dmesg
  • [09:56:39] * Jayneil (60260c8a@gateway/web/freenode/ip.96.38.12.138) Quit (Quit: Page closed)
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  • [10:02:03] <JAYNEIL> This is the link to my paste bin : http://pastebin.com/mV4pFgWJ
  • [10:02:11] <JAYNEIL> This is what I get from dmseg: http://pastebin.com/uA9h6S7u
  • [10:03:18] * ogra_ (~ogra@p5098ed03.dip0.t-ipconnect.de) Quit (Excess Flood)
  • [10:03:54] <av500> JAYNEIL: fix your serial connection
  • [10:04:56] * ogra_ (~ogra@p5098ed03.dip0.t-ipconnect.de) has joined #beagle
  • [10:05:20] <JAYNEIL> yes, I think I will have to buy a new serial to USB cable . This is the only working one I have right now..
  • [10:06:26] <av500> what does lsusb say?
  • [10:06:29] <av500> (pastebi)
  • [10:08:19] <JAYNEIL> http://pastebin.com/KDWWN8em
  • [10:08:36] <av500> ok, so your hub is not detected
  • [10:08:51] <av500> and thus your mouse is neither
  • [10:09:59] <JAYNEIL> so what should I do?
  • [10:10:08] <av500> use something newer than 2.6.32
  • [10:10:35] <av500> http://www.angstrom-distribution.org/demo/beagleboard/
  • [10:12:31] <JAYNEIL> I see. But when I built my image from http://narcissus.angstrom-distribution.org/, I selected the latest release from 2011. So is this the wrong approach?
  • [10:13:43] <av500> no
  • [10:15:15] <JAYNEIL> then why does this approach not work?
  • [10:15:32] <JAYNEIL> Is there anything I can do to make this approach work?
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  • [10:18:32] <av500> I dont know why it does not work
  • [10:19:06] <JAYNEIL> ok. thanks a lot for your help.
  • [10:22:55] <av500> there was something about the GPIO polarity to powe the hub changing
  • [10:23:04] <av500> so newer kernels/uboots should have that
  • [10:24:00] <av500> JAYNEIL: I would try "next" image
  • [10:24:35] * sundar (~sundar@110.234.156.82) Quit (Ping timeout: 260 seconds)
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  • [10:29:37] <JAYNEIL> I am now downloading the Angstrom-Beagleboard-demo-image-glibc-ipk-2011.1-beagleboard.rootfs.tar.bz2 file..I hope that it works
  • [10:32:28] <av500> JAYNEIL: no
  • [10:32:34] <av500> thats 2011.1
  • [10:32:38] <av500> use some of the 2012 stuff
  • [10:32:48] <av500> Angstrom-TI-GNOME-image-eglibc-ipk-v2012.01-core-beagleboard-2012.01.11.img.gz
  • [10:32:53] <av500> MLO-beagleboard-2011.12
  • [10:33:05] <av500> uImage-3.0.17-r115c-beagleboard-20120125152700.bin
  • [10:33:12] <av500> u-boot-beagleboard-2011.12-r4.img
  • [10:40:03] * wizzkaz (~wizzkaz@77-22-70-121-dynip.superkabel.de) Quit (Read error: Connection timed out)
  • [10:41:15] <JAYNEIL> ok. I see.. btw are you klaas ?
  • [10:44:14] * jpsaman (~jpsaman@videolan/developer/jpsaman) has joined #beagle
  • [10:44:16] <av500> is that a trick question?
  • [10:44:34] <av500> but no :)
  • [10:46:05] <JAYNEIL> actually I am going to make a video series on this soon. so would like to acknowledge you for the help..thats all.. and av500 is not someone's name.
  • [10:46:47] * Posterdati (~tapioca@host188-225-dynamic.10-87-r.retail.telecomitalia.it) has joined #beagleboard
  • [10:46:51] <Posterdati> hi
  • [10:48:23] <Posterdati> I need help on cortex-m3, I compiled a ready-to-use example for lm3s9b96 using gcc but processor after few cycles jumps to FaultISR with HFSR FORCED bit = 1, any hints?
  • [10:48:24] <Posterdati> thanks
  • [10:48:34] <JAYNEIL> got it! Vladimir, thanks once again!
  • [10:52:35] * sundar (~sundar@14.96.226.79) Quit (Ping timeout: 260 seconds)
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  • [10:53:55] <av500> JAYNEIL: try to keep my name out of your video series...
  • [10:58:46] <JAYNEIL> ok.. will only mention av500..
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  • [11:48:29] <jannau> av500: my G9 has the same or similar issue dm8tbr reported at Fosdem: spurious touchscreen events at the lower left corner. reproducible only after charging, goes away after touching screen for ~20 seconds.
  • [11:49:11] * JAYNEIL (60260c8a@gateway/web/freenode/ip.96.38.12.138) Quit (Ping timeout: 245 seconds)
  • [11:49:37] <av500> hmm
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  • [13:13:09] <caldera> can someone help me about jtag debugging with XDS100v2 emulator ?
  • [13:13:11] <multiplex> hi, i'm testing my new beaglebone ssh, web:80 and cloud9 but i've some problem with gate one. i tested with firefox and konqueror. any ideas ???
  • [13:13:16] <multiplex> | where does problem
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  • [13:14:02] <av500> question impossible to answer
  • [13:15:01] <ynezz> www.crystal-balls-on-sale.com
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  • [13:27:49] <multiplex> message error " this problem can sometimes be caused by disabling or refusing to accept cookies"
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  • [14:09:19] <multiplex> it works ! i have to add :443 at the end of address
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  • [14:42:53] <guiltyCr> hello can someone help me
  • [14:43:30] <guiltyCr> I would like to use the UART (console) of my beagleboard-xm for serial cummunication.
  • [14:44:25] <guiltyCr> i havn't found any good infos on the web yet
  • [14:44:45] <guiltyCr> did anybody tried this yet
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  • [14:47:01] <av500> its a standard linux UART
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  • [14:48:51] <scromp> not really sure what the point of the gate thing is :)
  • [14:49:10] <guiltyCr> well what i did is remove console=... from uEnv.txt and delete ttyO2.conf
  • [14:49:24] <guiltyCr> but i still cannt make use of it
  • [14:50:18] <av500> define "can'"
  • [14:50:20] <av500> define "can't"
  • [14:51:06] <jsabeaudry> scromp, Great for Windows people who don't wan to install putty or cygwin I guess
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  • [15:27:37] <multiplex> it's very slow compared with direct ssh
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  • [16:08:57] <jkridner> chaosss: http://catb.org/~esr/faqs/smart-questions.html
  • [16:09:44] <jkridner> chaosss: better yet, http://beagleboard.org/chat and follow the link to http://www.mahdiyusuf.com/post/6176918750/survival-guide-irc-1
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  • [16:17:36] <chaosss> can some one help me about beagleboard c4? i just want to learn basic things
  • [16:18:18] <av500> basic things can be googled
  • [16:19:58] <chaosss> anyone?
  • [16:20:47] <av500> try to actually ask a question...
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  • [16:26:29] <jsabeaudry> there is a new trend of asking to ask questions lately
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  • [16:30:06] <av500> jsabeaudry: new it is not
  • [16:30:11] <BlInK311> hey guys, i was thinking about asking a question about asking a question. Would that be alright? ....
  • [16:30:46] <jsabeaudry> Could someone answer a question about BlInK311's question?
  • [16:31:10] <jsabeaudry> anyone?
  • [16:31:55] <BlInK311> If you cant answer my inteded question right away. ill keep asking. without any more detail on what I want.
  • [16:32:28] <BlInK311> intended*
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  • [16:50:47] <chaosss> Hi, I am newbie. Before, i have used Texas Instruments C5505 type DSPs with code composer studio. To investigate omap platform i have ordered beagleboard and XDS100v2 emulator.I don't want to use OS. I can connect omap3530 and see registers etc via emulator. Which steps should i follow to compile and flash assembly codes in Code composer studio v5?
  • [16:52:56] * mephisto1911 (~Crow@85-124-59-42.static.xdsl-line.inode.at) has joined #beagleboard
  • [16:54:29] <mephisto1911> hello
  • [16:54:47] <mephisto1911> does anyone have experience with the uart of the beagleboard
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  • [16:59:17] <guiltyCr> chaoss i see you have been asking at the ti forum too :) sorry i cant help
  • [17:00:11] <mephisto1911> anyone
  • [17:02:34] <av500> chaosss: and you have code to boot the omap3 and setup SDRAM etc?
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  • [17:07:32] <mranostay> morning
  • [17:08:27] <chaosss> yes i have asked in ti forum i hope i get an answer
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  • [18:03:15] <aj2903> I'm beginner in embedded linux, need some help.can someone suggest me whether to buy beaglebone or beagleboard ?
  • [18:03:33] <aj2903> Which one is easier to start with
  • [18:04:13] <aj2903> please helpp.....
  • [18:04:14] <jsabeaudry> aj2903, My guess is that beagleboard should be easier beacause it has been around longer: thus more documentation, blog posts, etc.
  • [18:04:56] <aj2903> so shall i buy beagleboard or beagleboard-xm
  • [18:05:08] <woglinde> aj2903 depends on your needs
  • [18:05:54] <aj2903> thanks for help
  • [18:06:16] <woglinde> o.O
  • [18:06:34] <aj2903> does beagleboard has CAN support ???
  • [18:07:30] <aj2903> i'mean CAN protocol
  • [18:07:33] <jay6981> not like bone
  • [18:08:03] <aj2903> y?
  • [18:08:22] <jay6981> the bone soc has more hardware support for industrial protocols
  • [18:09:22] <woglinde> none of them has can you need an adapter
  • [18:09:48] <mranostay> isn't their a CAN cape?
  • [18:09:53] <mranostay> *there
  • [18:10:49] <aj2903> CAN cape ???? i haven't seen yet.
  • [18:10:56] <aj2903> is there any link
  • [18:11:26] <emeb> http://www.towertech.it/en/products/hardware/tt3201-can-cape/
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  • [18:13:45] <aj2903> thanks @emeb, but CAN cape is for beaglebone. can it be used for beagleboard or beagleboard-xm
  • [18:14:40] <mranostay> probably not with level shifting
  • [18:14:45] <mranostay> *without
  • [18:17:27] <aj2903> but pinout may also be different...
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  • [18:18:23] <emeb> _will_ be different - I/O connectors on 'bone & BB/BBXM are not the same.
  • [18:18:31] <aj2903> is there any other add-on board for beagleboard with CAN protocol ????
  • [18:18:54] <aj2903> support for CAN protocol ???*
  • [18:18:56] <mranostay> not to mention the I/O voltage
  • [18:19:01] <emeb> Plus, CAN cape for 'bone uses CAN controller on the AM335x SoC. OMAP335x doesn't have CAN controller.
  • [18:19:25] <woglinde> emeb ah good to know
  • [18:19:35] <woglinde> aj2903 so buy a bone
  • [18:19:36] <mranostay> aj2903: any reason you can't get a bone?
  • [18:19:43] <_av500_> mranostay: just do a 50% pwm on the 3.3v gpios to get 1.8V
  • [18:19:54] <woglinde> hi av500
  • [18:20:00] <woglinde> av500 do you need CAN?
  • [18:20:02] <aj2903> thanks emeb ....
  • [18:20:10] <emeb> np
  • [18:20:25] <_av500_> woglinde: I can!
  • [18:20:38] <mranostay> _av500_: hmmm didn't think of that
  • [18:20:46] <koen> emeb: omap3517 has can (cranboard)
  • [18:20:50] <koen> +e
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  • [18:20:52] <mranostay> probably since it has been a long time since i done any backlight work
  • [18:20:58] <emeb> cranberry?
  • [18:20:59] * florian (~fuchs@Maemo/community/contributor/florian) Quit (Quit: Client exiting)
  • [18:21:00] <mranostay> *i've
  • [18:21:02] <aj2903> but bone doesn't has nand/nor flash memory... this can be little problem.
  • [18:21:12] <mranostay> aj2903: why? :)
  • [18:21:14] <emeb> aj2903: can't use the SD?
  • [18:21:18] <_av500_> nand nor flash
  • [18:21:19] <mranostay> MMC SD ftw
  • [18:21:28] <_av500_> emmc ftw
  • [18:21:28] * CMoH (~cipi@unaffiliated/c-moh) Quit (Quit: Konversation terminated!)
  • [18:21:33] * mranostay kicks _av500_
  • [18:21:40] <koen> _av500_: there was an eemc talk yesterday
  • [18:21:46] <emeb> clay tablets FTW
  • [18:21:51] <mranostay> koen: how was that one?
  • [18:21:55] <koen> mranostay: dunno
  • [18:21:58] <koen> didn't attend
  • [18:21:59] <aj2903> but sd card is not good as compared to nand/nor flash memories
  • [18:22:02] <mranostay> ok same here
  • [18:22:21] <woglinde> aj2903???? how you exchnage nand?
  • [18:22:31] <koen> woglinde: screwdriver
  • [18:22:32] * HokieTux (~HokieTux@157.22.28.13) Quit (Remote host closed the connection)
  • [18:22:34] <emeb> aj2903: what's your metric for "as good"?
  • [18:22:45] <mranostay> aj2903: ahem SD is nand :)
  • [18:22:48] <emeb> speed / endurance / cost / etc?
  • [18:23:00] <mranostay> just with another controller interface
  • [18:23:02] <woglinde> all is nand but you dont see it
  • [18:23:39] <woglinde> koen still in us?
  • [18:23:48] <aj2903> u mean sd-card performance is as good as nand/nor flash memories ???
  • [18:24:13] <koen> woglinde: yes
  • [18:24:20] <woglinde> aj2903 o.O what you have to write out on internal mem?
  • [18:24:24] <koen> woglinde: sitting next to Tartarus and mranostay
  • [18:24:44] <koen> av500: one of the conference rooms is called 'champagne'
  • [18:24:45] * Tartarus waves as pidgin sprung up :)
  • [18:24:58] <woglinde> hi tom
  • [18:26:26] <aj2903> continuos operation on sd-card can damage it ????
  • [18:26:42] <aj2903> is it true ???
  • [18:26:50] <panto> of course
  • [18:26:56] <panto> you didn't know?
  • [18:27:00] <Tartarus> hey woglinde
  • [18:27:15] <Tartarus> Holy crap, starting a kernel from localmodconfig helps, but distro stuff still has tons of shit on
  • [18:27:17] * Crofton (~balister@conference/linaro-connect/x-zaqsrssizygxrtay) Quit (Ping timeout: 252 seconds)
  • [18:27:20] * Tartarus will do a few passes at this, heh
  • [18:28:06] <mranostay> Tartarus: ok i never heard of localmodconfig until yesterday
  • [18:28:23] <mranostay> that is so helpful though
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  • [18:29:28] <arcanescu> what is localmodconfig o_o
  • [18:29:32] <aj2903> if linux is booted from sd-card,and some application is continuos running, will this damage sd-card
  • [18:29:46] <arcanescu> usually smoke appears
  • [18:30:37] <mranostay> aj2903: wear leveling and bad blocks should prevent that
  • [18:30:56] <mranostay> and who cares really. SD/MMC is cheap
  • [18:31:19] <woglinde> mranostay hm localmodconfig was discussed some time ago
  • [18:31:24] <Tartarus> mranostay: In some cases, yeah. I wouldn't use it on my box where I don't know what random USB shit i'll need
  • [18:31:38] <Tartarus> or network (due to bridging, etc, for kvm quests)
  • [18:31:39] <aj2903> that's true but if application shutdown, it can be major problem
  • [18:31:40] <Tartarus> guests
  • [18:31:49] <panto> aj2903, damage after a few thousand writes
  • [18:32:03] <woglinde> panto depensd on the quality
  • [18:32:06] <panto> under normal load it won't happen
  • [18:32:09] <panto> agreed
  • [18:32:11] <woglinde> it can break sooner or later
  • [18:32:16] <woglinde> you never know
  • [18:32:23] <panto> but most SD cards are MLC now
  • [18:32:24] <woglinde> but than you exchange it
  • [18:32:55] <panto> so expect less reliability
  • [18:32:55] <woglinde> aj2903 I think your canbus stuff can reside in ram only so no write cycles needed on sd
  • [18:33:16] <mranostay> oh no panto is here too
  • [18:33:16] <panto> aj2903, write your temp data in a tmpfs partition
  • [18:33:26] <panto> only write to the device when you need to
  • [18:33:58] <aj2903> but i also will have qt application running on the board, in future
  • [18:34:17] <mranostay> koen: your famous now :P
  • [18:34:28] <woglinde> aj2903 and? need this to write something to the sd?
  • [18:34:36] <aj2903> yes
  • [18:34:43] <woglinde> what?
  • [18:34:47] <woglinde> I really wonder
  • [18:36:23] <aj2903> no,i mean qt application would be running for 24 hrs, so it will be running from sd-card. is my assumption correct ??
  • [18:36:32] <koen> usb gadget guy showing off beagle right now
  • [18:36:53] <emeb> sounds like a dog show.
  • [18:37:00] <woglinde> aj2903 depends you can load initrd from sdcard and run all in ram
  • [18:37:07] <woglinde> bone has plenty of ram
  • [18:37:12] <mranostay> as long as it isn't a donkey one :)
  • [18:37:20] <woglinde> cows
  • [18:37:31] * emeb can't read the screen on koen's g+ pix
  • [18:37:41] <aj2903> thanks woglinde
  • [18:37:54] <aj2903> sure try this
  • [18:38:02] <woglinde> sure
  • [18:38:04] <aj2903> alternative
  • [18:38:06] <woglinde> but first buy it
  • [18:38:19] <woglinde> hm I should hire at ti as salesman
  • [18:38:39] <aj2903> no that's my problem i will sort out
  • [18:38:44] <emeb> woglinde: do you have "salesman hair"?
  • [18:38:44] <woglinde> ah no bone is toy too
  • [18:38:53] <woglinde> emeb I can make it so
  • [18:38:54] <woglinde> I think
  • [18:39:04] <emeb> with enough product, anything is possible.
  • [18:39:18] <woglinde> not in all cases
  • [18:40:13] <aj2903> guys,thanks for help
  • [18:40:18] <woglinde> sure
  • [18:40:30] <woglinde> buy me a beer once
  • [18:40:36] <koen> not twice?
  • [18:40:57] <woglinde> maybee when he needs an advice again
  • [18:41:13] * woglinde backports some meta-java stuff
  • [18:42:03] <aj2903> woglinde,next time i will keep box of beer for u. :)
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  • [18:47:38] <woglinde> hm
  • [18:47:39] <woglinde> https://blogs.oracle.com/jtc/entry/comparing_jvms_on_arm_linux
  • [18:48:53] <woglinde> oh no he tested on debian 6.0.4
  • [18:49:00] <woglinde> which means armv code
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  • [18:49:04] <woglinde> ups armv4
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  • [18:52:12] <jsabeaudry> woglinde, You beleive the results would be much different on armv7a?
  • [18:52:25] <jsabeaudry> woglinde, Thanks for the link btw, very interesting
  • [18:52:35] * pcacjr (~pcacjr@187.78.15.240) Quit (Ping timeout: 252 seconds)
  • [18:52:38] <woglinde> yes xerces comment it
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  • [18:54:32] <woglinde> hi crofton
  • [18:54:37] <TheAlphaNerd> so has anyone had luck getting ALSA to work out of the box/
  • [18:54:38] <TheAlphaNerd> ?
  • [18:56:16] <Crofton> gm
  • [18:56:28] <Crofton> bbl
  • [18:56:45] <djlewis> hmm, a hit and run . . .
  • [18:57:16] <mranostay> TheAlphaNerd: probably everyone
  • [18:57:27] <TheAlphaNerd> mranostay: I havn't
  • [18:57:41] <TheAlphaNerd> on the version of ubuntu from the wiki audio out works
  • [18:57:42] <jsabeaudry> woglinde, Do you know if angstrom uses the same optimizations as in Debian wheeze armhf? (In other words, would my JVM application run faster if I switch to Debian wheezy armhf ?
  • [18:57:43] <TheAlphaNerd> but not in
  • [18:57:51] <TheAlphaNerd> angstrom both works
  • [18:57:55] <TheAlphaNerd> linaro nothing works
  • [18:58:15] <woglinde> linaro?
  • [18:58:19] <woglinde> you mean ubuntu
  • [18:58:26] <woglinde> linaro makes only tools
  • [18:58:29] <woglinde> not distro
  • [18:58:48] <TheAlphaNerd> the linaro distributed ubuntu
  • [18:58:50] <TheAlphaNerd> is what I mea
  • [18:59:38] * Russ (~russ@conference/linaro-connect/x-niybekfvejowumbu) Quit (Ping timeout: 240 seconds)
  • [18:59:48] <woglinde> you mean ubuntu with the included linaro toolchain
  • [19:00:02] <woglinde> but there isnt much support here for it
  • [19:00:14] <woglinde> because of using older kernels which often dont have all features
  • [19:02:55] * calculu5 is now known as calculus
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  • [19:04:25] <TheAlphaNerd> word
  • [19:04:55] * Crofton (~balister@conference/linaro-connect/x-hhxxgnyqnbukbsmz) Quit (Ping timeout: 276 seconds)
  • [19:04:55] <TheAlphaNerd> I have to run for now
  • [19:05:02] <TheAlphaNerd> but perhaps someone can help me in a bit
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  • [19:09:43] <aholler> if someone asks again about can, there are usb-can-devices with linux-drivers available
  • [19:09:58] <woglinde> aholler thats what I thought
  • [19:10:13] <woglinde> TheAlphaNerd yes use angstroem
  • [19:11:14] <TheAlphaNerd> woglinde: problem with angstrome is that I couldn't get puredata to compile properly for it :(
  • [19:11:39] <TheAlphaNerd> and they don't have packages for a bunch of stuff I need
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  • [19:16:16] <djlewis> TheAlphaNerd: sometimes pkgs are obscurely renamed. Did you try the angstrom pkg browser?
  • [19:17:50] <woglinde> TheAlphaNerd than make the recipes it isnt that hard
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  • [19:19:46] <jay6981> fraviofii: no pm pls
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  • [19:39:33] <SilicaGel> so i'm doing some poking around
  • [19:39:36] <SilicaGel> i mean like literally:
  • [19:39:44] <SilicaGel> root@bone:~# devmem2 0x44e00000 w
  • [19:39:44] <SilicaGel> /dev/mem opened.
  • [19:39:44] <SilicaGel> Memory mapped at address 0x4005e000.
  • [19:39:44] <SilicaGel> Read at address 0x44E00000 (0x4005e000): 0x00024502
  • [19:40:38] <SilicaGel> but some stuff just simply doesn't work. Like, I should be able to access I2C2's registers through L4, but when I try, I get a bus error:
  • [19:40:44] <SilicaGel> root@bone:~# devmem2 0x4819c000 b
  • [19:40:44] <SilicaGel> /dev/mem opened.
  • [19:40:44] <SilicaGel> Memory mapped at address 0x402f7000.
  • [19:40:44] <SilicaGel> Bus error
  • [19:40:51] <mdp> koen's session, "[am335x has] more features than balls"
  • [19:41:22] <SilicaGel> [ 1031.557724] Unhandled fault: external abort on non-linefetch (0x1018) at 0x4022d000
  • [19:41:27] <SilicaGel> that's what dmesg says. What does this mean?
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  • [19:43:39] <SilicaGel> Could it be because the PRUSS is just powered off ?
  • [19:44:45] <mdp> yes
  • [19:45:09] <SilicaGel> That'd make it make a bus error? interesting
  • [19:45:19] <mranostay> mdp: he is only .eu'ian that seems to get the Champagne Room connotation :)
  • [19:45:32] <mdp> hehe
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  • [19:46:11] <SilicaGel> ok so
  • [19:46:17] <SilicaGel> i can leave it in reset though and i should be able to read its registers right
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  • [19:47:43] <aholler> koen explains MUX?
  • [19:48:15] * peabody124 (~peabody12@128.249.96.123) Quit (Quit: peabody124)
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  • [19:49:21] <SilicaGel> so I want the PER domain. So I want PM_PER_PWRSTCTRL, gotta find that.
  • [19:49:40] <ds2> hmmmm
  • [19:50:51] <mdp> ds2: you at koen's talk?
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  • [19:52:41] <mdp> DT for world peace
  • [19:53:04] <woglinde> hi silicagel
  • [19:53:17] <SilicaGel> hi there. I am up to no good.
  • [19:54:12] <aholler> koen he must miss something like a storm flood. today there were millions of netherlands on our autobahn. I've really thought they must escape from something
  • [19:54:37] <woglinde> silicalgel already read -> http://labb.zafena.se/ ?
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  • [19:56:12] <SilicaGel> nope, i'm checking it out now
  • [19:57:56] <SilicaGel> OK. PRM_PER lives at 0x44E00C00. The offfset to PM_PER_PWRSTCTRL is 0x0C
  • [19:58:13] <jay6981> SilicaGel: you're doing PRU bringup?
  • [19:58:18] <SilicaGel> Attempting to!
  • [19:58:25] <woglinde> gogo
  • [19:58:35] <jay6981> cool
  • [19:58:43] <SilicaGel> nope dammit
  • [19:58:47] <jay6981> you get the assembler?
  • [19:58:48] <SilicaGel> I have something wrong.
  • [19:59:00] <SilicaGel> yeah but I'm not even there yet
  • [19:59:14] <SilicaGel> I'm using devmem2 to try to read/write the PRU memory
  • [19:59:20] <SilicaGel> butI have to turn said memory on first
  • [19:59:23] <SilicaGel> I seem to be stuck at that part :)
  • [19:59:38] <jay6981> oh, getting pru clocks up?
  • [20:00:10] <SilicaGel> no. Should I need to get clocks up to read their RAM?
  • [20:00:21] <SilicaGel> I was hoping I could just turn the pru on in PER_PWRSTCTRL
  • [20:00:28] <jay6981> the whole PRUSS needed a few clocks
  • [20:00:32] <aholler> what else should make that ram work?
  • [20:00:33] <jay6981> iclk, fclk
  • [20:00:42] <jay6981> a couple more iirc
  • [20:01:13] <SilicaGel> maybe I need to get it out of reset
  • [20:01:14] <jay6981> you were talking about clocks yesterday, so i figured you did that part
  • [20:01:18] <SilicaGel> no I don't think so
  • [20:01:21] <SilicaGel> I think I can leave it in reset
  • [20:02:02] <SilicaGel> ok. ok then.
  • [20:02:09] <jay6981> if the PRUSS is not on the L3/L4 bus it won't work at all
  • [20:02:27] <SilicaGel> and the clocks are required to get it up on L3/L4 ?
  • [20:02:29] <jay6981> you'll get data abort when you try to access their PA
  • [20:02:31] <jay6981> yes
  • [20:02:38] <SilicaGel> ah ok
  • [20:02:43] <SilicaGel> ok I found CM_PER_PRUSS_CLKCTRL
  • [20:04:05] * multiplex (~Laurent@37.1.173.206) Quit (Read error: Connection reset by peer)
  • [20:05:20] <SilicaGel> hmmm CLKSEL_PRUSS_OCP_CLK. I dno't knwo what an OCP is.
  • [20:05:37] <jay6981> open core protocol
  • [20:05:49] <jay6981> OCP = L3
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  • [20:08:13] <SilicaGel> ok. CM_PER = 0x44E00000. CM_PER_PRUSS_CLKCTRL is at offset 0xE8. And I have to write 0x04 to wake it up it looks like
  • [20:08:40] <SilicaGel> goddammit bus error
  • [20:09:19] <jay6981> there's usually 4-5 hoops you have to jump through to bring these things up
  • [20:10:04] <SilicaGel> yeah.
  • [20:10:19] <SilicaGel> well I see in 8.1.1.3.1 what you are talking about, with there being interface clocks and functional clocks
  • [20:10:32] <SilicaGel> hopefully if I keep reading it will tell me how to set them up
  • [20:10:59] <jay6981> there's usually an enable register
  • [20:11:00] <jay6981> CLKEN
  • [20:12:26] <SilicaGel> There was a register named CM_PER_PRUSS_CLKCTRL which has a bit STBYRST (i set it to zero), and MODULEMODE I set to 2 - ENABLE: module is explicitly enabled. Interface clock may be gated according to the clock domain state." :(
  • [20:12:44] * panto (~panto@195.97.110.117) Quit (Quit: Leaving)
  • [20:12:53] <SilicaGel> ok so i must be missing an enable like you said
  • [20:13:16] * mdp heckles koen
  • [20:13:30] <SilicaGel> the best way to heckle him is to remove yoru pants
  • [20:14:21] <jay6981> check PM_PER_PWRSTCTRL
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  • [20:15:23] <SilicaGel> I did set a bit on in that register already, there's bits 5 and 6 which are named pruss_mem_ONState. I set them to both bits on
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  • [20:17:23] <jay6981> so PRUSS has 3 clocks required
  • [20:17:35] * Russ (~russ@conference/linaro-connect/x-faeuhszwcweqlhhw) Quit (Ping timeout: 240 seconds)
  • [20:17:40] <jay6981> CORE_CLKOUTM4, PER_CLKOUTM2 and CORE_CLKOUTM4
  • [20:17:49] <jay6981> you need to make sure all those are up and running
  • [20:18:04] <jay6981> see 4.2.2
  • [20:18:34] <SilicaGel> ok
  • [20:18:40] <jay6981> l3_clk is almost certainly running if your board is up
  • [20:18:40] <SilicaGel> i probably don't REALLY need the uart clock to be on right
  • [20:18:45] <jay6981> uart_clk and iep_clk dunno
  • [20:19:05] <jay6981> it may not work with one of them off
  • [20:19:18] <jay6981> you gotta try it a bunch of times to see what it wants
  • [20:20:03] <SilicaGel> but I still need to probably set that "connetion to OCP clock" but on too right, in CM_PER_PRUSS_CLKCTRL ?
  • [20:21:49] <jay6981> STBYST should be 0
  • [20:21:52] <jay6981> IDLEST 0
  • [20:22:01] <jay6981> MODULEMODE 2
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  • [20:25:33] <SilicaGel> I see all kinds of references to CORE_CLKOUTM4 but not a bit or somethign that says to turn it on
  • [20:26:15] <jay6981> that's the L3_CLK
  • [20:26:24] <jay6981> you wouldn't be up and running if that weren't on
  • [20:26:41] <SilicaGel> oh oh i see it just needs to be *on*
  • [20:26:43] <SilicaGel> and it probably already is
  • [20:26:45] <SilicaGel> or I'd be hosed
  • [20:27:30] <jay6981> but i'm not really that familiar with the am335x
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  • [20:27:41] <jay6981> it looks a little different
  • [20:28:21] <jay6981> the clock tree is a complicated thing that can be really frustrating
  • [20:28:39] <SilicaGel> well the PLLs must already be configured
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  • [20:28:52] <SilicaGel> they must just be gated, is my thinking
  • [20:28:52] <jay6981> some of them obviously, maybe not everything
  • [20:29:08] <jay6981> gated either because they're switched off manually or the module is in idle state
  • [20:30:20] <jay6981> can you read the PRUSS REVID register?
  • [20:30:33] <SilicaGel> If it's in the PRU block theN I doubt it. Let me try.
  • [20:34:00] <SilicaGel> still looking for it
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  • [20:36:38] <jay6981> man, that TRM sucks??? they don't list the PA of the register with the register description
  • [20:41:00] <SilicaGel> ok i have to get organized here
  • [20:41:04] <SilicaGel> I"m writin ga shell script, God help me
  • [20:41:21] <SilicaGel> Step 1: enable clock to the PRU in CM_PER_PRUSS_CLKCTRL
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  • [21:11:05] <SilicaGel> looking at the init code from the kernel and it only does 2 things: enable the clock, and take the module out of reset
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  • [21:18:50] <TheAlphaNerd> woglinde: do you know where there is online documnetation on how to make recipes?
  • [21:20:33] <jay6981> SilicaGel: can you read the REVID yet?
  • [21:23:44] <woglinde> TheAlphaNerd read other recipes and you will learn it quickly
  • [21:23:52] <TheAlphaNerd> word
  • [21:23:53] <SilicaGel> haha no I dont' even know where the hell REVID is
  • [21:23:55] <SilicaGel> I tried!
  • [21:24:01] <SilicaGel> jay6981: I'll show you waht I'm doing in one second
  • [21:24:37] <woglinde> aplhanerd read http://www.openembedded.org/wiki/How_to_create_a_bitbake_recipe_for_dummies
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  • [21:26:49] <woglinde> alphanerd this good too http://www.yoctoproject.org/docs/current/dev-manual/dev-manual.html
  • [21:28:12] <woglinde> alphanerd and read other recipes and ask on #oe when you are stucked somewhere
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  • [21:29:51] <SilicaGel> jayu here is my attempt to enable the PRU: http://pastebin.com/LHVtguqG
  • [21:30:44] <jay6981> what's 401af000?
  • [21:31:54] <SilicaGel> oh that's to be ignored. devmem2 shows you the address of the local mapping point for some reason, it's ...
  • [21:32:15] <chrisw957> Geez, I'm stuck. I've got a custom camera hooked up to the ccdc. First frame captures fine, but further frames are coming back 0x55 (yavta initialized value). VD0 is firing ok. I suspected WEN problem, but EXWEN bit in CCDC_SYN_MODE is cleared. Ring any bells with anyone?
  • [21:32:22] <SilicaGel> it's the point that it's mapped into userspace
  • [21:32:23] <jay6981> what does `devmem2 0x4a320000 w` do?
  • [21:32:25] <SilicaGel> it's an artifact of devmem2
  • [21:32:30] <SilicaGel> ok so
  • [21:32:34] <SilicaGel> w means word
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  • [21:33:05] <SilicaGel> that was a typo btw it should be 0x4a300000 which means read the PRUSS register block. I removed that 2, but it didn't change it.
  • [21:33:15] <SilicaGel> so waht that tries to do is READ a 32-bit word from that address.
  • [21:33:28] <SilicaGel> If it had succeeded it would have told me what value it read.
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  • [21:35:05] <jay6981> that trm really sucks
  • [21:35:54] <jay6981> try reading from offset 0x26000, that's the start of the CFG block??? aka REVID
  • [21:36:26] <SilicaGel> I cleaned up the output
  • [21:37:00] <jay6981> if you can't read at least REVID and SYSCFG you won't get very far
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  • [21:38:23] <SilicaGel> ok I'll try. I am expecting that will bus fault
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  • [21:39:10] <jay6981> if you get bus error, the entire PRUSS is still offline and you must figure out why
  • [21:39:19] <SilicaGel> yeah
  • [21:39:31] <SilicaGel> i'm trying to fiure out whre that is now. it's in PRUSS_INTC
  • [21:39:43] * dENNES (~Adium@port375.ds1-hr.adsl.cybercity.dk) Quit (Ping timeout: 255 seconds)
  • [21:39:49] <jay6981> it's the base of PRUSS+0x26000
  • [21:40:25] <SilicaGel> yeah, buss error
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  • [21:40:54] <jay6981> pastebin?
  • [21:42:07] <jay6981> not sure how the kernel could take the module out of reset if you can't even talk to the module
  • [21:42:22] <SilicaGel> wait INTC is at PRUSS_BASE + 0x20000 ... where are you getting that '6' from?
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  • [21:42:42] <jay6981> not sure why you want to talk to the INTC
  • [21:42:54] <jay6981> you need to read REVID and SYSCFG
  • [21:43:31] <SilicaGel> CFG
  • [21:43:34] <SilicaGel> I see it now.
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  • [21:45:53] <SilicaGel> I said that beacuse the heading of 4.6.4 is PRUSS_INTC
  • [21:46:13] <jay6981> ahh
  • [21:46:20] <jay6981> that's the REVID of the INTC which is inside the PRUSS :)
  • [21:46:23] <jay6981> matroshka dolls
  • [21:46:37] <SilicaGel> yeah, I was just lost.
  • [21:46:54] <SilicaGel> Well that could bus fault beacuse the PRU isn't on or because my attempt to ungate its clock failed right
  • [21:47:15] <jay6981> it'll probably fault until you turn on PRUSS in SYSCFG
  • [21:48:08] <SilicaGel> ok. so that's PRUSS_CFG+4
  • [21:48:18] <jay6981> can you read it?
  • [21:48:31] <SilicaGel> i have to find it first.
  • [21:48:47] <jay6981> PRUSS+0x26000
  • [21:48:59] <SilicaGel> 0x43A00000 + 36000 + 4
  • [21:49:00] <SilicaGel> ok
  • [21:49:02] <SilicaGel> 26000 i meant
  • [21:49:03] <jay6981> you said it was 0x4a300000
  • [21:49:06] <SilicaGel> 260000 I meant
  • [21:49:08] <SilicaGel> no
  • [21:49:09] <SilicaGel> ignore me
  • [21:49:22] <jay6981> 0x4a326000
  • [21:49:44] <jay6981> and +0x4
  • [21:49:44] <SilicaGel> root@bone:~/pru# devmem2 0x43a26004 w
  • [21:49:44] <SilicaGel> /dev/mem opened.
  • [21:49:44] <SilicaGel> Memory mapped at address 0x402ee000.
  • [21:50:02] <SilicaGel> Bus error
  • [21:50:03] <SilicaGel> doh
  • [21:50:15] <jay6981> so back to the drawing board??? you can't do anything more until that works
  • [21:50:23] <SilicaGel> yeah
  • [21:50:27] <SilicaGel> i angrily agree
  • [21:50:49] <jay6981> a lot of the clock tree cfg is done in mlo/uboot
  • [21:51:09] <SilicaGel> yeah
  • [21:51:16] <SilicaGel> I figured though that everything would be generally configured
  • [21:51:18] <SilicaGel> I mean
  • [21:51:25] <SilicaGel> if the PRU runs mainly on CLKOUTM4
  • [21:51:29] <SilicaGel> to give it 200 MHz ish
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  • [21:51:39] <SilicaGel> That clock should arleady be configured or the system wouldn't be working, I think
  • [21:51:47] <jay6981> there were 2 others required though
  • [21:52:09] <SilicaGel> well I did NOT try to turn on the uart one, let me try that now
  • [21:52:27] <SilicaGel> well except ...
  • [21:53:00] <jay6981> loook at that
  • [21:53:17] <jay6981> check "CGR Register" glock gating register
  • [21:53:21] <jay6981> 4.9.1.5
  • [21:53:26] <SilicaGel> there is no separate bit to turn on/off any of these clocks in CM_PER_PRUSS_CLKCTRL ... you just put it not in standby, not in test mode, and set MODULEMODE to 2 (ENABLED)
  • [21:53:46] <jay6981> ensure IEP_CLK_EN and UART_CLK_EN are enabled
  • [21:54:06] <SilicaGel> I don't think I can write that regsiter without a bus error, either, stand by
  • [21:54:13] <jay6981> try reading first
  • [21:54:39] <SilicaGel> root@bone:~/pru# devmem2 0x4a326010 w
  • [21:54:39] <SilicaGel> Bus error
  • [21:54:42] <jay6981> try booting up in u-boot to read this stuff if you can't do it from linux userspace
  • [21:54:55] <SilicaGel> u-boot lets you sniff memory?
  • [21:54:59] <SilicaGel> I didn't know this
  • [21:55:03] <jay6981> yes
  • [21:55:23] <djlewis> type help in u-boot
  • [21:56:05] <jay6981> figure out the sequence of registers you need to twiddle in u-boot, then modify linux kernel init sequence accordingly
  • [21:56:08] <djlewis> my contribution to al this talk that is making my head spin :)
  • [21:56:34] <SilicaGel> what is this CM_PER_PRUSS_CLKSTCTRL in 8.1.2.1.55 do I have to mess with this?
  • [21:56:49] <jay6981> dunno??? verify CGR first
  • [21:57:03] <jay6981> if those two clocks are gated, it isn't going to work
  • [21:57:39] <jay6981> there's a bunch of stuff regarding PRU in there also
  • [22:12:23] <SilicaGel> I'm going to look at Pratheesh's patches one more time
  • [22:14:30] <SilicaGel> + omap2_prm_clear_mod_reg_bits(AM33XX_ICSS_LRST_MASK,
  • [22:14:30] <SilicaGel> + AM33XX_PRM_PER_MOD,
  • [22:14:30] <SilicaGel> + AM33XX_RM_PER_RSTCTRL_OFFSET);
  • [22:15:08] <SilicaGel> that's turning off "local reset"
  • [22:15:08] <jay6981> you need to figure out what those #defines are so you can follow along in the TRM
  • [22:15:16] <jay6981> names seem different
  • [22:15:23] <SilicaGel> yeah i know right
  • [22:15:30] <SilicaGel> ICSS is their name for the PRU
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  • [22:16:19] <SilicaGel> you're totally right though
  • [22:16:23] <SilicaGel> the problem isn't in chapter 4
  • [22:16:26] <jay6981> anyways, your strategy should be to figure out what each register needs to be set to
  • [22:16:26] <SilicaGel> the problem MUST be in chapter 8
  • [22:16:35] <jay6981> document the process
  • [22:16:49] <jay6981> then make sure the mlo/uboot/kernel does it right
  • [22:16:58] <jay6981> then you can mess with PRU
  • [22:17:14] <SilicaGel> is your thought that it's not even possible to do what I'm trying to do unless mlo/uboot/kernel have set them up properly FIRST ?
  • [22:17:35] <SilicaGel> i.e. Are these things not tweakable once you're up and running?
  • [22:17:56] <jay6981> well??? the other issue could be that for whatever reason your devmem2 command just doesn't let you poke those registers
  • [22:18:04] <jay6981> and it is working but kernel is denying you
  • [22:18:24] <jay6981> this is why playing in uboot is valueable
  • [22:18:48] <SilicaGel> yeah i got you. I'm jut abuot done for today but i will take the board home with me and try it in uboot and see what i can learn that way
  • [22:19:05] <jay6981> you probably can safely twiddle those registers
  • [22:19:09] <jay6981> even after system is up
  • [22:19:29] <jay6981> but if you touch the wrong bit, don't be surprised if the entire system goes down or you lose console or something similar
  • [22:19:45] <SilicaGel> i'I'm shocked that hasn't happened already to be honest with you haha
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  • [22:19:58] <jay6981> you have kernel standing in the way of yourself :P
  • [22:20:51] <SilicaGel> Oh GODDAMMIT
  • [22:20:53] <SilicaGel> GODDAMMIT!!!!!!!!!!!!!!!!
  • [22:21:00] <SilicaGel> Read at address 0x4A300000 (0x40070000): 0xB7148DBB
  • [22:21:06] <SilicaGel> Is that what you think I should be seeing in REVID ?
  • [22:21:14] <jay6981> hm??? didn't I ask you about that hours ago?
  • [22:21:16] <jay6981> :P
  • [22:21:18] <SilicaGel> YEAH
  • [22:21:20] <SilicaGel> goddammit
  • [22:21:21] <jay6981> yes, that looks good
  • [22:21:24] <SilicaGel> I had an offset of 0xE8
  • [22:21:29] <SilicaGel> no
  • [22:21:30] <SilicaGel> I had 0xE0
  • [22:21:33] <SilicaGel> it is SUPPOSED to be E8
  • [22:21:37] <SilicaGel> 0 and 8 look very very similar!!!!
  • [22:21:37] <jay6981> now, read offset +4
  • [22:21:47] <jay6981> check your glasses my friend
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  • [22:23:37] <SilicaGel> i'going to reboot this thing now
  • [22:23:56] <jay6981> the trm says the revid is supposed to read 0x4700 0000
  • [22:24:11] <jay6981> who knows if that's right??? just check SYSCFG, it's more important
  • [22:26:44] <SilicaGel> well it worked once. Hm. That means that I made it work at one point by tweaking something manually. That's not cool.
  • [22:26:48] <SilicaGel> oh
  • [22:26:49] <SilicaGel> haha
  • [22:26:55] <SilicaGel> based on what you just said, I retract my statement:
  • [22:27:13] <SilicaGel> Trying to read REVID 0x47000000
  • [22:27:25] <jay6981> no??? that's the value it's supposed to return
  • [22:27:29] <SilicaGel> Trying to read SYSCFG 0x0000003A
  • [22:27:56] <jay6981> there ya go
  • [22:28:10] <SilicaGel> so it's in standby?
  • [22:28:28] <SilicaGel> Smart Standby in fact. And Smart Idle.
  • [22:28:30] <SilicaGel> I wonder what the hell those are.
  • [22:28:52] <mdp> well, they're smart...hence the name....
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  • [22:29:21] <jay6981> looks like it's on
  • [22:29:47] <jay6981> smart standby means that it tells the PRCM to gate the clock while its idle
  • [22:30:47] <jay6981> so the whole time the PRUSS was on the bus, you just had the wrong register offsets?
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  • [22:31:58] <SilicaGel> no the clocks weren't on.
  • [22:32:03] <SilicaGel> I didn't set the right clock register.
  • [22:32:07] <SilicaGel> Let me see what I actually enabled.
  • [22:32:09] <jay6981> ok, so you got the sequence now?
  • [22:32:52] <SilicaGel> I was doing something to CM_PER_L3_CLKCTRL
  • [22:32:57] <SilicaGel> it's a wonder I didnt' crash the system. Really.
  • [22:33:18] <SilicaGel> I was futzing with the main clock to the L3 interconnect haha
  • [22:33:32] <SilicaGel> perhaps it's spelled 'futsing" ... no that looks awful, too.
  • [22:34:10] <SilicaGel> well
  • [22:34:13] * Tartarus (trini@pixelshelf.com) Quit (Excess Flood)
  • [22:34:20] <SilicaGel> I can write DEADBEEF into DMEM0 and when I read it later, it's still there
  • [22:34:28] <mdp> SilicaGel: are you hacking on the clock data or just banging on this from userspace?
  • [22:34:40] <jay6981> good
  • [22:34:56] <jay6981> getting somewhere now
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  • [22:35:08] <SilicaGel> and I can write 0xB00B135 into DMEM2 (shared memory) and it stays too
  • [22:35:22] <SilicaGel> mdp: I'm just banging on it from userspace so I can figure out how to cleanly handle this from a kernel driver.
  • [22:35:28] <SilicaGel> I talked to a guy at T.I. about all of this
  • [22:35:39] <SilicaGel> and about how the hell clocks are configured in angstrom and their kernels
  • [22:35:52] <SilicaGel> and he told me something I sort of gathered, he called clock management a "moving target"
  • [22:36:24] <SilicaGel> and *he* actually suggested to *me* that maybe I should consider having my device driver turn some of this stuff on, and wait for the kernel interfaces to clock management to get a little more settled .........
  • [22:36:49] <mdp> quit talking to that guy
  • [22:36:55] <SilicaGel> Haha really?
  • [22:37:04] <SilicaGel> Are you saying they're not so bad?
  • [22:37:39] <mdp> we need to address this is the clock data for 335x upstream
  • [22:37:51] <SilicaGel> I don't have the juice to make that happen
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  • [22:38:13] <mdp> it is wrong to do this for the pruss in the driver...fine for getting it working
  • [22:38:23] <jay6981> these guys in here do
  • [22:38:40] <SilicaGel> yeah
  • [22:38:50] <SilicaGel> well I'm dropping the whole UIO driver too, I do not like it.
  • [22:39:13] <SilicaGel> Especially when I can just write a normal character mode kernel driver that implements mmap()
  • [22:39:15] * cwillu (~cwillu@cwillu.com) Quit (Ping timeout: 240 seconds)
  • [22:39:19] <mdp> not the omap way. there is a real framework and it works
  • [22:39:38] <SilicaGel> yeah/
  • [22:39:40] <SilicaGel> ?
  • [22:39:48] <SilicaGel> You're making me feel better about it
  • [22:40:03] <SilicaGel> not because I think you know what you're talking about, but just based on your sheer enthusiasm
  • [22:40:05] <SilicaGel> :-D
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  • [22:41:29] <jay6981> he probably does know the right way
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  • [22:41:53] <SilicaGel> if (clk_add_alias("pruss", NULL, "icss_uart_gclk", NULL))
  • [22:41:53] <SilicaGel> pr_err("failed to create an alias: icss_uart_gclk --> pruss\n");
  • [22:41:57] <SilicaGel> holy merde!!!
  • [22:42:54] <SilicaGel> That's in mach-omap2 in a method called __init am335x_evm_init(void)
  • [22:43:28] <jay6981> things starting to come together now
  • [22:43:47] <mdp> there you go.
  • [22:44:04] <SilicaGel> i don't understand how this whole clk_* stuff works to be honest, i need to figure it out
  • [22:44:05] <mdp> also look in mach-omap2/clock*
  • [22:44:26] <jay6981> mdp is there a description of the framework besides the code itself?
  • [22:44:45] <_av500_> all PRU and no play make Jack a ....
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  • [22:45:02] <mdp> i don't know anything...but i'm really enthusiastic about using a well thought out clock domain and management framework
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  • [22:45:07] <SilicaGel> doesn't that code seem odd to you, they alias pruss to the uart gclk
  • [22:45:16] <jay6981> no
  • [22:45:18] <mdp> jay6981: not that i know of
  • [22:45:36] <jay6981> SilicaGel: the trm says that uart clock is also the one of the functional clocks for pruss
  • [22:45:42] <SilicaGel> yeah
  • [22:45:52] <mdp> that's pretty common
  • [22:45:54] <SilicaGel> but I would think the clock named "pruss" would be ... not that one.
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  • [22:46:04] <jay6981> they're shared for two different things
  • [22:46:14] <jay6981> power management software needs to understand the releationships
  • [22:46:18] <mdp> that's why aliases exist
  • [22:46:22] <SilicaGel> ok so a clk structure has a name, a parent, an init(), some other crap, a register, and a mask
  • [22:46:30] <SilicaGel> parent ... so it is hierarchical
  • [22:46:39] <jay6981> yeah??? hence clock tree
  • [22:46:46] <SilicaGel> clock "tree" ok
  • [22:46:48] <SilicaGel> I get it now
  • [22:47:12] <mdp> also, because cross soc drivers have a generic name for an ip block clock...in the _get() call
  • [22:47:15] <jay6981> there was a java app for the bb soc that was kinda interesting to play with
  • [22:47:20] <jay6981> java clock tree app
  • [22:47:31] <jay6981> had a diagram of all the different DPLLs and switches and stuff
  • [22:47:45] <jay6981> good way to visualize whats going on
  • [22:47:53] <_av500_> it was also horrugly
  • [22:48:00] <_av500_> same exists for omap4
  • [22:49:03] <SilicaGel> so when they alias pruss, they are doing it because the parents are defined such that when you enable the uart clock, it enables the others as well because of the parent relationship, yea?
  • [22:49:31] <jay6981> or so when you want to turn off uart clock, but leave PRU on, you don't get hosed
  • [22:49:33] <SilicaGel> rwoodruff is the preson to thank and/or blame for this apparently
  • [22:50:05] <SilicaGel> and if 2 people do a clk_get() but only one of them does the opposite (whatever that's called) it presumably counts the gets and leaves it on?
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  • [22:50:40] <SilicaGel> clk_put() appears to be the opposite.
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  • [22:51:01] <mdp> think...reference counting
  • [22:51:16] <mdp> and semaphores
  • [22:51:41] <SilicaGel> include/asm/clkdev.h:#define __clk_put(clk) do { } while (0)
  • [22:51:44] <jay6981> is the framework for the entire arch/arm tree?
  • [22:51:44] <SilicaGel> what the hell?
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  • [22:52:23] <SilicaGel> oh haha that's in an ifdef for if you don't have clock management
  • [22:53:35] * jkridner (~jason@pdpc/supporter/active/jkridner) Quit (Client Quit)
  • [22:54:22] * SilicaGel is lokoing for clk_put()
  • [22:54:35] <mdp> ultimately you should end up with hwmod and clock data entries keyed off the am33 flag that contain the clock/alias data your pruss driver requires
  • [22:56:18] <SilicaGel> I'm not sure wha tyou mean by hwmod, is that what board-am33board-am335xevm.c means5xevm.c
  • [22:56:29] <SilicaGel> oops
  • [22:56:44] <SilicaGel> I've always been confused as heck by what I see in arch/arm/
  • [22:56:56] <jay6981> hwmod is some kernel data structure that describes about optional hardware, perhaps
  • [22:57:01] <SilicaGel> oh ok
  • [22:57:08] <SilicaGel> i remember seeing that.
  • [22:57:12] <jay6981> i don't know this stuff either, just making it up :)
  • [22:57:22] <SilicaGel> The thing is in arch/arm you see mach-omap2 (an da bunch of others) but you also see plat-*
  • [22:57:41] <SilicaGel> so like there's a mach-omap1, mach-omap2, and plat-omap
  • [22:57:51] <jay6981> yeah, mach is the code specific to a cpu core, plat is code specific to a soc/board
  • [22:58:05] <SilicaGel> and a plat?
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  • [22:58:37] <SilicaGel> Does it bother anybody that the AM335x is under mach-omap2? I imagine it's just because it is so close to an omap why fork it?
  • [22:58:51] <jay6981> not sure how those decisions get made
  • [22:59:07] <jay6981> maybe because they're all cortex a8?
  • [23:00:49] <mdp> it's because the overall architecture is similar to omap3/4 which also live there and share common code
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  • [23:04:36] <SilicaGel> oh.
  • [23:04:39] <SilicaGel> ok mdp well
  • [23:04:43] <SilicaGel> now that I know where all this stuff is,
  • [23:04:55] <SilicaGel> I'm going to try to enable it all with nothing more than clk_get() and see what happens
  • [23:06:00] <SilicaGel> platform_set_drvdata(dev, gdev);
  • [23:06:04] <SilicaGel> hm what is that little interesting bit.
  • [23:07:38] <jay6981> setting the function pointers for the platform specific code, i'd guess
  • [23:08:24] <SilicaGel> what i'm trying to figure out now is where in uio_pruss.c they do somethign that would enable the power to the module.
  • [23:09:19] * _chase_1 (~a0271661@nat/ti/x-qxqmdmhefcfqxvto) Quit (Ping timeout: 276 seconds)
  • [23:09:39] <SilicaGel> /* Power on PRU in case its not done as part of boot-loader */
  • [23:09:39] <SilicaGel> gdev->pruss_clk = clk_get(&dev->dev, "pruss");
  • [23:09:39] <SilicaGel> clk_enable(gdev->pruss_clk);
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  • [23:10:05] <jay6981> looks like you found it
  • [23:10:09] <SilicaGel> did I?
  • [23:10:15] <SilicaGel> The comment seems to indicate so
  • [23:10:23] <SilicaGel> but how does that little tidbit of code do this
  • [23:10:37] <SilicaGel> I would have to find the clk_enable and see what it does, hmmmm
  • [23:10:54] <SilicaGel> There are more mysteries in this than there are at old man jenkin's abandoned amusement park
  • [23:11:58] <jay6981> you're at least halfway there
  • [23:12:19] <SilicaGel> I'd have gotten further, too, were it not for those meddling kids!
  • [23:12:22] <jay6981> just have to figure out that clock framework???
  • [23:12:35] <jay6981> zoinks
  • [23:12:44] <jay6981> time for a dagwood sandwich
  • [23:15:30] <SilicaGel> what i'm thinking is taht enabling the clock must call some method somewhere that also enables power to the device
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  • [23:17:22] <SilicaGel> cm33xx.h:#define AM33XX_CM_PER_ICSS_CLKCTRL AM33XX_CM_REGADDR(AM33XX_CM_PER_MOD, 0x00e8)
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  • [23:18:45] <SilicaGel> oh boy
  • [23:18:48] <SilicaGel> there are also "power domains"
  • [23:19:03] <jay6981> those are usually automatically programmed to watch the clocks and turn on/off
  • [23:19:06] <jay6981> the "smart" stuff
  • [23:19:09] <jay6981> don't worry too much yet
  • [23:19:12] <saftsack> hey, is it possible to set the beaglebone pinout modes for every pin individually?
  • [23:19:24] <jay6981> about the power domain, at least
  • [23:19:37] <SilicaGel> I suspected that was what would happen, it watches the clocks and turns on/off, I was just trying to determine the linkage
  • [23:25:24] * jay6981 (~Adium@38.114.132.193) Quit (Quit: Leaving.)
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  • [23:29:31] <beginner_> hello
  • [23:29:46] <beginner_> can someone help me configure my beagleboard
  • [23:29:58] <beginner_> i cant get the eth0 running
  • [23:30:27] * saftsack (~Oliver@p4FF0CEE1.dip.t-dialin.net) Quit (Ping timeout: 255 seconds)
  • [23:31:07] <SilicaGel> link light?
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  • [23:39:32] <borillion> can anyone recommend a cheap 7 inch panel that comes with a controller board?
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  • [23:54:06] <etheretic> http://www.pixelqi.com/faq
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