• [00:00:13] <nerxgas> yes, the latest
  • [00:00:50] <thurbad> do you have a uEnv.txt file on the boot partition?
  • [00:01:24] <nerxgas> no
  • [00:05:47] <mazzanet> hmm i'm having a curious issue
  • [00:06:16] <mazzanet> after running for sometime around the 2 hour mark
  • [00:06:23] <mazzanet> i get a ehci-omap force halt message
  • [00:06:35] <mazzanet> and lose all usb devices
  • [00:07:14] * jconnolly|away is now known as jconnolly
  • [00:07:28] <mazzanet> on both the host port and the otg port (running in host)
  • [00:10:41] <nerxgas> i dont know what to do, i can't get anything working
  • [00:11:18] <nerxgas> can i factory reset my beagleboard?
  • [00:12:44] <thurbad> hold on, I've got a boot script that may work
  • [00:13:45] <thurbad> although it kinda looks like you've told it not to look for any boot scripts
  • [00:15:05] <mazzanet> in newer versions of uboot you need 'mmc rescan' first
  • [00:15:44] * Xerion_ (~xerion@5419A766.cm-5-2c.dynamic.ziggo.nl) has joined #beagle
  • [00:15:49] <nerxgas> ..
  • [00:16:01] <thurbad> yeah, I don't have the boot cmd portion at the moment
  • [00:16:09] <mazzanet> before you can read anything
  • [00:17:05] <mazzanet> nerxgas: reset and type this at the uboot prompt
  • [00:17:14] <mazzanet> mmc rescan 0; fatload mmc 0:1 0x80300000 uImage; fatload mmc 0:1 0x81600000 uInitrd; bootm 0x80300000 0x81600000
  • [00:17:54] * djlewis_ (~quassel@75.15.64.180) has joined #beagle
  • [00:18:03] <nerxgas> Ramdisk image is corrupt or invalid
  • [00:18:48] <mazzanet> bootm 0x80300000
  • [00:19:01] <djlewis_> nerxgas: i meant the MLO version or Xloader version
  • [00:19:07] <mazzanet> try that now
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  • [00:19:59] <djlewis_> nerxgas: the one on the console, not on the file
  • [00:20:01] <nerxgas> it said ramdisk image is corrupt or invalid
  • [00:20:04] * pfoetche1 (~pfoetchen@winc043.informatik.uni-wuerzburg.de) has joined #beagle
  • [00:20:16] <thurbad> you probably don't have a ramdisk
  • [00:20:17] * javaJake_ (~javaJake@unaffiliated/javajake) has joined #beagle
  • [00:20:26] <mazzanet> do you have a file on the sd called uInitrd
  • [00:20:27] <mazzanet> ?
  • [00:20:39] <thurbad> thats not usually partof angstrom
  • [00:20:42] <nerxgas> no
  • [00:21:12] <nerxgas> just MLO, u-boot.bin and uImage
  • [00:21:14] <djlewis_> nerxgas: if you have a older xloader or MLO in nand it will not work with newer kernels
  • [00:21:30] <mazzanet> angstrom doesn't have an initrd?
  • [00:21:34] <mazzanet> curious
  • [00:21:44] <nerxgas> how do i get a current version of xloader
  • [00:21:50] <thurbad> yeah, but he's hosed his uboot environment on a c4
  • [00:22:00] <djlewis_> nerxgas: what version is showing on the console
  • [00:22:29] * plm (~plm@65.111.170.40) Quit (Ping timeout: 276 seconds)
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  • [00:22:31] <nerxgas> 1.5.0
  • [00:22:31] * Xerion_ is now known as Xerion
  • [00:22:39] <djlewis_> thurbad: if he gets the beagboard.org prompt he has a bootloader
  • [00:23:00] <djlewis_> nerxgas: U-boot ... what?
  • [00:23:12] <thurbad> yes, he's getting throughto u-boot
  • [00:23:24] <djlewis_> i think the 1.5 is late enough
  • [00:23:31] <nerxgas> U-Boot 2011.06-dirty (Jul 19 2011 - 17:30:34)
  • [00:23:40] <thurbad> but modified the bootcmd variable
  • [00:24:43] <mazzanet> anyone got any ideas on my ehci issue?
  • [00:24:50] * ds2 (noinf@netblock-66-245-251-24.dslextreme.com) has joined #beagle
  • [00:26:08] <thurbad> does it give the same problem if you're not using the otg?
  • [00:26:38] <nerxgas> i dont know
  • [00:27:00] <thurbad> that one was for mazzanet
  • [00:28:42] <djlewis_> nerxgas: revC4 or XM c4?
  • [00:28:50] <nerxgas> revc4
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  • [00:29:25] * Ceriand|work (~Ceriand@unaffiliated/ceriand) Quit (Quit: Leaving.)
  • [00:29:47] <djlewis_> nerxgas: nand erase 260000 20000 will clear user nand
  • [00:30:12] * jevin (~jevin@ec2-174-129-222-35.compute-1.amazonaws.com) Quit (Excess Flood)
  • [00:30:14] <djlewis_> then just try to boot again
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  • [00:30:27] <nerxgas> i typed that in and it told me about correct usage
  • [00:31:02] <nerxgas> oh nevermind
  • [00:31:30] <nerxgas> looks like its doing stuff now
  • [00:31:35] <jonpry> anyone ever notice bad things about the tps659x0 in audio slave mode? from what i can tell the oversampling pll cannot lock if your a few ppm from its idea of 48khz
  • [00:32:26] <djlewis_> "stuff" sounds positive?
  • [00:32:32] <nerxgas> that did it
  • [00:32:43] <nerxgas> it booted up into gnome
  • [00:32:47] <djlewis_> cool
  • [00:32:52] <nerxgas> thanks
  • [00:32:55] <djlewis_> u-bet
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  • [00:34:34] <thurbad> last time I cleared nand was right before an sd pin broke off in my beagle.... while I know it's totally unrelated I haven't tried since :P
  • [00:35:12] <djlewis_> thurbad: bummer
  • [00:35:41] <thurbad> was less than a month old too
  • [00:36:11] <djlewis_> thurbad: yeah, but when it gets to stinkin, ya gotta flush it :)
  • [00:38:10] <djlewis_> mazzanet: did you mention which board ?
  • [00:41:08] <mazzanet> thurbad: i have stuff conencted to both ports
  • [00:41:09] <mazzanet> c4
  • [00:45:15] <thurbad> anyone know which package has the bluetooth daemon, I installed bluez4 and it complained that the bluetooth init scrip twas missing
  • [00:46:19] <djlewis_> mazzanet: again. erv or XM?
  • [00:46:23] <djlewis_> rev
  • [00:46:47] <mazzanet> revc4
  • [00:47:11] * djlewis_ would hope the powers that be would have a more distinctive naming system
  • [00:47:41] <djlewis_> mazzanet: oh, the model that is supposed to have the EHCI fixed ;)
  • [00:48:27] <mazzanet> i'm probably pushing it's limits though
  • [00:48:32] <djlewis_> mazzanet: what is connected to the port and all devices?
  • [00:48:34] <mazzanet> i have a webcam on the host port
  • [00:48:38] <mazzanet> and a powered hub on the otg port
  • [00:48:40] <djlewis_> I was going there
  • [00:48:45] <mazzanet> which has a 3g modem hanging off it
  • [00:49:13] <mazzanet> ...and a gps
  • [00:49:27] <mazzanet> ...and a wireless keyboard dongle
  • [00:49:34] <thurbad> maybe you just flooded the port ~.~
  • [00:49:42] <djlewis_> mazzanet: i am not certain any of the revxx series ever got ehci right
  • [00:50:18] <mazzanet> it's fine up until about the 2 hr mark
  • [00:51:42] <ds2> RevC's have EHCI just fine.
  • [00:51:57] <ds2> RevA, RevB's have issues with signals
  • [00:51:58] <djlewis_> mazzanet: of course it is. Then it's time for a break ;)
  • [00:52:16] <djlewis_> ds2: bull
  • [00:52:33] <ds2> djlewis_: it works for me
  • [00:52:41] * djlewis_ goes and gets his boots on.
  • [00:52:59] <ds2> Rev C2, C3 have performance issues for some units
  • [00:54:03] <mazzanet> ds2: see my issue ^ ?
  • [00:54:27] <djlewis_> ds2: load your revC with a couple of 640x480 streaminf webcams for a couple hours
  • [00:55:00] <mazzanet> djlewis_: webcam only takes a snapshot every 2 mins
  • [00:55:23] <ds2> djlewis_: I am convinced that is a software issue. I went throught that when I was doing the laser pointer thingie
  • [00:55:28] <djlewis_> mazzanet: I dont expect the 3G is running constantly
  • [00:55:30] <ds2> mazzanet: sorry, I missed it
  • [00:55:34] <mazzanet> 3g is
  • [00:55:49] <djlewis_> sounds expensive
  • [00:55:49] <mazzanet> ds2: after roughly 2 hrs i get ehci-omap force halt
  • [00:55:57] <mazzanet> ds2: and lose both ports
  • [00:56:01] <ds2> mazzanet: what kind of device?
  • [00:56:09] <djlewis_> listed above
  • [00:56:36] <mazzanet> ds2: webcam on host port, powered hub with 3g modem, gps and wireless keyboard receiver on the otg port
  • [00:56:38] <ds2> my backscroll doesn't go very far. got disconnected
  • [00:56:48] <djlewis_> sorry
  • [00:56:59] <mazzanet> djlewis_: quota charged not time
  • [00:57:25] <ds2> I suspect a problem with handling ISOC ep's more then an actual hw problem
  • [00:57:34] <ds2> ISOC in general is a mess
  • [00:58:03] <mazzanet> isoc?
  • [00:58:10] <ds2> Isochronous
  • [00:58:19] <ds2> what's used for multimedia devices
  • [00:58:21] <djlewis_> well, our beagleboard world is intended for developers and hobbyists, not prime time ;)
  • [00:58:25] * Ceriand|desktop (~Ceriand@unaffiliated/ceriand) has joined #beagle
  • [00:58:51] <ds2> if you loose both ports, that is almost most certainly not the hw
  • [00:59:02] <ds2> the 2 parts are completely unrelated
  • [00:59:23] <ds2> there are 3 USB controllers on the OMAP3530 - EHCI, OHCI (I think), and MUSB
  • [00:59:45] <ds2> EHCI is what is on the host port, MUSB is what is on the OTG port. OHCI is not brought out
  • [01:00:05] <ds2> djlewis: there are production devices using the same parts
  • [01:01:03] <mazzanet> ehci-omap ehci-omap.0: force halt; handshake fa064814 00004000 00000000 -> -110
  • [01:01:04] <djlewis_> ds2: certainly, but most likely custom software
  • [01:01:24] <ds2> djlewis: which is my point... it is a SW issue not a problem with the classic boards
  • [01:01:41] * djlewis_ is not convinced
  • [01:01:44] <ds2> the xM's use diff silicon so it isn't a simple comparism
  • [01:02:00] <mazzanet> scrap my time comment
  • [01:02:14] <djlewis_> mazzanet: how so?
  • [01:02:36] <djlewis_> two hours or qouta, not time
  • [01:02:41] <mazzanet> i've got... 45 mins, 2.5 hrs, 1.5 hrs
  • [01:02:53] <mazzanet> two hours*
  • [01:02:53] <djlewis_> before failure . .
  • [01:02:56] <mazzanet> yeah
  • [01:02:58] <ds2> if you are loosing both ports, it is something higher up that is breaking
  • [01:03:57] <djlewis_> ds2: show me a commercial product that utilizes so much usb of the omap
  • [01:04:34] <ds2> djlewis: define 'so much'
  • [01:05:28] <ds2> YES. 3G dongle is HS
  • [01:06:33] <ds2> not sure if anyone has used all 3 but using 2 definitely has happened.
  • [01:07:07] * scrp3l (~scrp3l@201.250.187.157) Quit (Quit: Ex-Chat)
  • [01:07:16] <mazzanet> i'm only doing it this way because the webcam seems to need it's own port
  • [01:07:28] <mazzanet> otherwise i get bandwidth errors
  • [01:07:48] <ds2> that sounds like a SW issue in how it manages microframes on a HS port
  • [01:14:11] <mazzanet> actually scratch all that
  • [01:14:30] <mazzanet> i don't think i'm losing musb
  • [01:14:48] <ds2> =)
  • [01:15:01] <mazzanet> as i still have 3g
  • [01:15:20] <ds2> what kernel, btw?
  • [01:15:43] <mazzanet> 2.6.35
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  • [01:15:57] <ds2> 35? what parentage?
  • [01:16:03] * CMoH (~cipi@unaffiliated/c-moh) Quit (Read error: Connection reset by peer)
  • [01:16:43] <mazzanet> ubuntu maverick
  • [01:18:12] <ds2> oh... good luck.
  • [01:18:36] <mazzanet> yeah i'm thinking about putting deb squeeze on it
  • [01:18:36] * kimitake is now known as kimitake_idle
  • [01:19:00] <ds2> good luck with 'em desktop centric distros =)
  • [01:19:26] <mazzanet> nerr
  • [01:22:48] <djlewis_> i still like and use sakoman's gnome
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  • [02:06:07] <vielster> Hello...I'm using the GPMC on the OMAP to talk with some external devices
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  • [02:06:53] <vielster> this works fine for all of the 16-bit devices, but I'm trying to access an 8-bit wide NVRAM device, and I can't seem to get addressing to work to a single byte
  • [02:07:39] * mranostay (~mranostay@108-64-218-123.lightspeed.moblal.sbcglobal.net) has joined #beagle
  • [02:08:10] <vielster> I assumed that BE0 could be used as the least significant address bit, but it doesn't seem to do anything when accessing the 8-bit port
  • [02:08:37] <vielster> anyone have any experience using the GPMC interface on the OMAP that can help me with this?
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  • [04:51:53] <julumme> hi,
  • [04:52:25] <julumme> I wonder if someone could help me out on some native compiling questions on BB
  • [04:53:19] <julumme> I'm running Robert Nelson's Ubuntu image currently, and everything seems to work more or less
  • [04:53:54] <julumme> I am however a bit new to the whole development on arm, and don't yet understand some fundametal stuff
  • [04:54:13] * prpplague (~prpplague@ppp-70-249-157-222.dsl.rcsntx.swbell.net) Quit (Quit: Leaving)
  • [04:54:54] <julumme> my goal is to use serial infra transceiver on the beagle, but for that it looks like I would need to recompile the lirc modules
  • [04:55:16] <julumme> currently I have them installed, but dpkg-reconfigure complains that I don't have kernel sources to compile against
  • [04:55:40] <julumme> I wonder what would be a suggestion from someone who knows about this stuff what should I do
  • [04:55:58] <julumme> first of all, I don't have any kernel sources downloaded, nor do I have any tools on the Beagle to compile natively anything
  • [04:56:00] <dm8tbr> as you are using ubuntu: ask on #ubuntu-arm
  • [04:56:10] <julumme> oh, interesting
  • [04:57:24] <dm8tbr> even #ubuntu, as you have a generic problem that's architecture independent
  • [04:58:04] <julumme> thanks for your advice, I'll see what folks might suggest on those channels
  • [04:58:20] <dm8tbr> np
  • [04:58:49] <dm8tbr> oh and before I forget: huomenta
  • [04:59:13] <julumme> wait, how do you know
  • [04:59:38] <julumme> you deducted from my name, or ? :)
  • [05:01:05] <dm8tbr> yes
  • [05:01:30] <julumme> right - well, huomenta huomenta, even though it's already 2pm where I reside ;)
  • [05:01:32] <dm8tbr> besides I live in herwood forrest. ;)
  • [05:01:39] <dm8tbr> hehe
  • [05:02:48] <dm8tbr> (that's hervanta, tampere)
  • [05:06:03] <julumme> right
  • [05:06:06] <julumme> :)
  • [05:06:52] <julumme> I'm originally from Oulu, so I assumed herwood was somewhere in UK ;)
  • [05:07:01] <julumme> didn't bother googling
  • [05:09:12] <dm8tbr> the whole herwood thing is mostly only known to TTY students/alumni I guess
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  • [05:09:22] <julumme> right..
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  • [08:55:58] <dl4mea> Question: What is the latest ti-psp-omap that downloads and works without patches?
  • [08:57:03] <av500> koen: ^^^
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  • [10:14:19] <markos> panto?
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  • [10:57:43] <panto> markos, ping
  • [11:03:10] <markos> ping reply
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  • [11:42:50] <av500> [IDC]Dragon__: ping
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  • [12:12:50] <speakman> So - to day - what kernel is most full-featured and stable for OMAP 35xx currently?
  • [12:13:46] <koen> the angstrom 2.6.32 kernel
  • [12:13:57] <koen> but the 3.0.3 angstrom kernel is shaping up as well
  • [12:13:59] <speakman> angstrom kernel? do they make their own?
  • [12:14:21] <speakman> (I'm not using Angstrom, but compile my kernel from scratch)
  • [12:15:00] <thurbad> you can make your own kernel and still use angstrom, but they provide a default kernel
  • [12:15:26] <speakman> yes, but which kernel is the ??ngstr??m kernel based upon?
  • [12:15:43] <av500> linux
  • [12:15:58] <speakman> no really? me too. what an coincident :)
  • [12:16:01] <thurbad> 2.6.32 was based on omap-psp I believe
  • [12:16:05] <speakman> oki
  • [12:16:22] <thurbad> 3 maybe mainline, dunno
  • [12:16:49] <speakman> Is there lots of stuff in psp which is lacking in official 3?
  • [12:17:26] <av500> some dsp/isp stuff I guess
  • [12:25:17] <speakman> ...and why isn't it merged into mainline? :)
  • [12:25:40] <av500> go on an merge it
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  • [12:32:30] <cattivik> hi
  • [12:32:45] <cattivik> sombody know how to compile U-boot for beagleboard?
  • [12:33:38] <jacekowski> it's all on wiki
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  • [12:35:13] <cattivik> i've just find it, thank you
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  • [14:09:54] <cattivik> @jacekowski: i've followed instruction to compile uboot but writed here:http://elinux.org/BeagleBoard#U-Boot, but i receive this error: "asm/arch/gpio.h no such file or directory
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  • [14:43:47] <Guest84884> Hi all..from where, do we get to know frame buffer mode's synchnoization values like right margin, left margin, hsync len, ysync len etc.,?
  • [14:45:28] <av500> from the display data sheet
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  • [15:20:57] <filippogiuliani> hi guys
  • [15:21:35] <filippogiuliani> i've the same problem of yesterday, i can't use the UARTs on my beagle board xM
  • [15:23:09] <filippogiuliani> i tried to rebuild the u-boot paying attention on setting the mux for the UARTs and i think it's right..
  • [15:25:45] <filippogiuliani> there ins't any configuration for serial port I forgot during the installation of ubuntu?
  • [15:27:36] <thurbad> did you follow any instructions for setting up the uart?
  • [15:29:38] <thurbad> also which serial port are you trying to enable?
  • [15:31:12] <filippogiuliani> i was unable to find any instructions on web.. i tried all four UARTs but i need just two ports..
  • [15:32:33] <[IDC]Dragon__> av500: pong
  • [15:32:47] <[IDC]Dragon__> but mostly afk
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  • [15:33:53] <av500> [IDC]Dragon__: see pm
  • [15:34:01] <thurbad> there's instructions for uart2 here: http://elinux.org/BeagleBoardPinMux#UART2_enabling_within_U-boot
  • [15:35:12] <thurbad> that one's a little tricky
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  • [15:36:07] <filippogiuliani> i'm going to try now.. thanks :)
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  • [15:43:11] <thurbad> we're using ttyS0 on our board and we didn't have to mess with a second set of muxes
  • [15:44:49] <Adi_> hello .. have anyone also encontered sudden disconnections while working with the ethernet / USB? ..... with the BB xM?
  • [15:46:43] <Adi_> problem with the smsc95xx driver with this error: "hub 1-0:1.0: port 2 disabled by hub (EMI?)"
  • [15:48:17] <thurbad> hmm, does the usb still work after that, or is it just the ethernet portion?
  • [15:48:52] <Adi_> the usb also goes down
  • [15:49:36] <Adi_> dmesg says:
  • [15:50:08] <Adi_> hub 1-0:1.0: port 2 disabled by hub (EMI?), re- enabling ...
  • [15:50:17] <Adi_> usb 1-2: USB disconnect, device number 2
  • [15:50:24] <Adi_> usb 1-2.1: USB disconnect, device number 3
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  • [15:50:43] <Adi_> smsc95xx 1-2.1:1.0: eth0: unregister 'smsc95xx' usb- ehci-omap.0-2.1, smsc95xx USB 2.0 Ethernet
  • [15:50:44] <thurbad> use pastebin when it's more than a line or two
  • [15:50:57] <Adi_> yep, sorry for that
  • [15:51:24] <filippogiuliani> maybe could it be because I install the kernel that the guide i followed had suggest me? (http://elinux.org/BeagleBoardUbuntu#Install_Latest_Kernel_Image)
  • [15:51:44] <thurbad> no worries,I'm not the net police especially during slow periods, but some people still get annoyed
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  • [15:52:51] <Adi_> so any idea about that? i'm using pre-built ubuntu 11.04 with kernel 3.0
  • [15:54:49] <thurbad> is it unregistering the driver? that's kind of what it looks like
  • [15:54:56] <Adi_> yes
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  • [15:56:31] <thurbad> is there any pattern to it being unregistered?
  • [15:56:58] <Adi_> it happens once in a while ... sometimes after a few minutes, sometimes after hours ....
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  • [15:57:04] <Adi_> and only rebooting helps
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  • [15:57:33] <thurbad> you can't insmod the module?
  • [15:58:04] <av500> thurbad: when EHCI is stuck, its stuck
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  • [15:58:18] <Adi_> yep
  • [15:58:59] <thurbad> ah, so it's up higher in the usb driver stack than the smsc component?
  • [15:59:21] <av500> maybe
  • [15:59:26] <NotTooDumb3> av500, Hi..are the synch values dependent on display x and y resolutions? is display data sheet, the only way, to know synch values? thank you.
  • [16:00:14] <NotTooDumb3> and if we take case of TV, for NTSC, PAL standards the synch values standard irrespective of the display device's size?
  • [16:00:15] <av500> you can also guess them
  • [16:00:23] <Adi_> thurbad: i don't know...
  • [16:00:34] <NotTooDumb3> guess? may never work..
  • [16:00:37] <av500> as you said, PAL and NTSC are "standards", no guessing needed
  • [16:00:45] <Adi_> i thought maybe it's a known issue
  • [16:02:06] <NotTooDumb3> av500, with my omapfb driver for TV, i am going to NTSC mode, but not seeing Angstrom logo, i am using angstrom file system..any suggestions about what i would have missed configuring?
  • [16:02:27] <av500> no idea
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  • [16:06:23] <NotTooDumb3> while building angstrom from link, http://www.angstrom-distribution.org/building-angstrom when does tmp directory get created? I followed this link and ran steps 1 and 2 and ran MACHINE=beagleboard ./oebb.sh bitbake virtual/kernel -c compile -f -D and later found that tmp directory is not created in setup-scripts..when does tmp directory get downloaded in setup-scripts?
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  • [16:11:36] <djlewis> gm guys
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  • [16:30:59] <Crofton> mru, I hear that the FFTW beta has NEON
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  • [17:17:10] <rOxx> hello, someone here who can help me with can bus ? i??m using can controller mcp2515 and get no can0 device. i have added the configuration for the spi and the mcp2515 platform data in the board specific file "board-omap3beagle.c"
  • [17:17:57] <rOxx> and i can paste my configuration on pastbin.
  • [17:18:34] <prpplague> rOxx: start by checking you spi sysfs entries to see if the device is present
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  • [17:21:46] <jonpry> i have found some strange behavior in the gpmc state machine that is not documented in the wiki or trm. not sure if anyone would be interested in that info
  • [17:23:10] <prpplague> jonpry: i am
  • [17:24:36] <rOxx> with "ls -d /sys/bus/spi/drivers/mcp251x" i get "/sys/bus/spi/drivers/mcp251x" with "cat /sys/devices/platform/omap2_mcspi.1/spi1.0/modalias" i get "mcp251x" but i exspect 2515, and with "ls /sys/class/net/" i get "eth0 lo usb0"
  • [17:24:52] <rOxx> but no can0
  • [17:26:53] <jonpry> prpplague, i am only writing to gpmc atm, so ignore all the read timings. here is my config http://pastebin.com/1JW4Xh14 if i set GPMC_CONFIG6_WRACCESSTIME(10) to 8, which would seem to be the obvious time since adrmux ends at 8. then data shows up on the bus 1 mclk cycle later than when it is set to 10. and also the first word on the bus has seriously reduced amplitude. not sure if its some kind of internal contention or what
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  • [17:27:38] <prpplague> jonpry: why not start a wiki page on elinux.org to document your issues and testing
  • [17:28:36] <jonpry> it is working for me now so the data i have is limited
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  • [17:30:53] <rOxx> prpplague: can you take a look at my mcp2515 configuration in the board specific file "board-omap3beagle.c" ? http://pastebin.com/fz0L2P7V
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  • [17:33:08] <prpplague> rOxx: sorry don't have time today
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  • [17:40:34] <rOxx> do you know where i can find good information about the can integration ?
  • [17:40:35] <jacekowski> can integration?
  • [17:40:35] <jacekowski> are you talking about canbus?
  • [17:40:36] <jacekowski> hmmm, yeah
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  • [17:40:36] <rOxx> yes i mean canbus
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  • [17:40:37] <rOxx> do you can help me with canbus and mcp2515?
  • [17:40:37] <mdp> commit that broke beagle (and others) talked about friday is being reverted: https://lkml.org/lkml/2011/8/23/259
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  • [17:58:52] <djlewis> Crofton: there is so much new and interesting stuff in the amateur radio area. I an getting the bug again.
  • [18:00:24] <Crofton> cool
  • [18:01:08] <djlewis> mostly for reception now
  • [18:01:50] <djlewis> except for morse in the60's i never got an interest in tx
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  • [18:09:14] <djlewis> Crofton: did the earth move for you recently ;)
  • [18:09:42] <Crofton> no
  • [18:09:45] <Crofton> I am in California
  • [18:09:50] <Crofton> My mother felt it
  • [18:10:24] <djlewis> Crofton: I was thinking you were near the quake
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  • [18:12:13] <Crofton> I should have been
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  • [18:12:27] <Crofton> I missed it :(
  • [18:13:00] <joelagnel> :)
  • [18:13:13] <Crofton> USGS just upped it to 5.9
  • [18:13:15] <cwicks> good morning beagleboarders - has anyone used a kinects with beagle yet?
  • [18:13:24] <Crofton> epicenter is near the North Anna nuke plant
  • [18:13:41] <Crofton> cwicks, sorry, we are all in talk about the earthquake mode
  • [18:14:02] <cwicks> should i go to cnn.com?
  • [18:14:19] <Crofton> not yet
  • [18:14:26] <Crofton> http://earthquake.usgs.gov/earthquakes/recenteqsus/Maps/US10/32.42.-85.-75.php
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  • [18:16:31] <djlewis> cwicks: i am thinking it was mentioned a few months back with beagle.
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  • [18:18:28] <mru> Crofton: the rapture had begun
  • [18:18:35] <djlewis> Crofton: one of our techs was on a svc call with a support guy there and the guy had to evacuate for the quake.
  • [18:18:42] <Crofton> weird
  • [18:18:57] <mru> how else do you explain a quake in VA?
  • [18:20:09] <djlewis> mru: that is very close to Washing DC, probably formed from the hot bellowed by congress.
  • [18:20:31] <djlewis> hot air bellowed
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  • [18:23:13] <Crofton> apparently they are not unusual, however this is a bit stronger than normakl
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  • [18:48:13] <vielster> I'm looking for some support using the GPMC on the OMAP35x line
  • [18:48:36] <Crofton> what are you doing with them?
  • [18:49:00] <vielster> I have several 16-bit devices attached, and they work great
  • [18:49:22] <vielster> but I have an 8-bit SRAM attached and cannot seem to address the device down to single byte resolution
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  • [18:49:36] <Crofton> heh
  • [18:49:44] <Crofton> harder than I can answer
  • [18:49:45] <vielster> I assumed BE0 would allow me to address odd/even bytes
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  • [18:50:07] <Crofton> there is something funny about that case
  • [18:50:18] <vielster> but BE0 doesn't do anything when I make accesses to the device
  • [18:51:41] <prpplague> vielster: unless the sram has a 8-bit A/D latch configuration, you can't get 8-bit accuracy
  • [18:52:06] <prpplague> (or at least i know a way)
  • [18:52:25] <vielster> so the byte enables don't work as they should?
  • [18:52:27] <prpplague> vielster: what sram device are you using?
  • [18:52:57] <vielster> It's a Dallas NVSRAM
  • [18:53:15] <vielster> (battery backed SRAM module for non volatile storage)
  • [18:53:17] <prpplague> ok that doesn't tell me a thing
  • [18:53:44] <prpplague> vielster: what is the part number?
  • [18:53:45] <vielster> has a standard 8-bit Assync interface (not address/data latched)
  • [18:55:01] <vielster> DS1747W
  • [18:56:28] <prpplague> vielster: see figure 11-2 in the omap3 trm
  • [18:58:30] <mru> borrow a trick from the 1st-gen alpha and use a sparse mapping
  • [18:59:11] <prpplague> vielster: http://e2e.ti.com/support/dsp/omap_applications_processors/f/447/p/30071/104789.aspx
  • [18:59:51] * prpplague is always amazed at what people try to interface to SoC's without understanding what the interface was designed for
  • [19:01:55] <vielster> I've connected similar devices to PPC processors, which don't give you A0 or A1, so you have to use the BE (Byte Enable) to address to the byte level
  • [19:02:51] <vielster> In most bus architectures, if you do an explicit 8-bit read/write, the byte enable signals will allow addressing a finer resolution than the bus width
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  • [19:04:42] <prpplague> vielster: thats right, it affects the data width, not the address
  • [19:05:26] <prpplague> vielster: the GPMC on omap3/4 simply wasn't designed to work with 8-bit interfaces
  • [19:07:03] <vielster> ADDR BE1 BE0
  • [19:07:40] <vielster> the TRM is not terribly explicit in this regard
  • [19:07:53] <prpplague> vielster: that would be as if you had two 16-bit devices
  • [19:08:05] <prpplague> vielster: or one 16-bit device with two die
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  • [19:10:49] <prpplague> vielster_: anyway, just modify your ds1747 code with a 16-bit offset
  • [19:11:06] <mru> can't you address the 8-bit device starting at bit 1 or 2 and get a sparse view of it?
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  • [19:11:25] <vielster_> yes
  • [19:11:54] * vielster (42c93fe2@gateway/web/freenode/ip.66.201.63.226) Quit (Ping timeout: 252 seconds)
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  • [19:12:18] <mru> so do that
  • [19:12:29] <mru> and make your code use ldr(h) instead of ldrb
  • [19:12:31] <mru> job done
  • [19:13:02] <vielster_> the issue is that the code was written to be generic, but assumed contiguous memory
  • [19:13:28] <vielster_> i guess to be more specific, contiguous, non-aliased memory
  • [19:13:31] <mru> it is contiguous, just not in the usual way
  • [19:14:20] <vielster_> there were memory mapped data structures and such
  • [19:14:31] <prpplague> vielster_: i assume you;ve created a gpmc glue driver, correct?
  • [19:15:59] <vielster_> do you mean functions to access devices on the GPMC?
  • [19:16:24] * siegen (~lechaguin@sign-4db6bea1.pool.mediaWays.net) Quit (Ping timeout: 245 seconds)
  • [19:16:32] <vielster_> I guess I'm not sure what you mean by a 'gpmc glue driver'
  • [19:17:05] <prpplague> vielster_: yes, something similar to the existing ones such as the gpmc-smsc911x.c
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  • [19:18:26] <_av500_> vielster_: then modify the "code"
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  • [19:18:48] <_av500_> add a wrapper layer that packs/unpacks for your nonstandard connection
  • [19:19:27] <_av500_> i guess you can hook up the 8bit thing as if it was 16bit and just throw away the high byte
  • [19:19:33] <prpplague> vielster_: which driver are you using for the DS1747, is it the DS1742 that is in the mainline kernel?
  • [19:19:33] <_av500_> no?
  • [19:20:00] <vielster_> not using linux kernel
  • [19:20:37] * ericb2 (~X@unaffiliated/ericb2) Quit (Quit: . . . ........)
  • [19:21:09] <vielster_> there is something similar to 'gpmc-smsc911x.c' but it's, again, more generic
  • [19:22:30] <vielster_> on startup, I initialize the 'board' which includes setting up all of the GPMC channels
  • [19:22:56] <vielster_> chip selects
  • [19:23:56] <prpplague> vielster_: oh
  • [19:24:09] * prpplague grumbles at the waste of time
  • [19:25:53] <jonpry> how would BE0 do what you want as it will be driven with even addressed bytes?
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  • [19:33:44] <vielster_> BE0 would give you the additional address bit
  • [19:34:10] <vielster_> it doesn't actually matter which state it is driven in as long as it is consistent
  • [19:34:50] <vielster_> I don't know why working outside of the linux kernel is a waste of time...
  • [19:35:33] <vielster_> our application requires a 200ms boot time and true real time scheduling, so the linux kernel is out
  • [19:35:46] <jonpry> BE0 would not provide an additional address bit because its only ever driven for even addresses
  • [19:36:26] <vielster_> and for odd accesses, it would not be driven
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  • [19:37:40] <jonpry> then neither would the data on the bus
  • [19:38:30] <jonpry> i see what you getting at buts its like you would need to short dq[7:0] and dq[15:8]
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  • [19:42:14] <prpplague> vielster_: i meant that it was a waste of _my_ time trying to help you when you aren't even using linux
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  • [19:45:12] <_av500_> but his question is not linux specific
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  • [19:49:32] <prpplague> _av500_: if the software was written properly, it would handle the issue, such as in the case of the DS1742 driver, which has defines and offsets setup with flags
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  • [19:51:03] <prpplague> _av500_: so, if this was a linux issue, it wouldn't be an issue
  • [19:52:13] <cryptision> OK I'm flying blind with the beagle board until my serial to usb cable arrives. So far the demo sd card,angstrom demo, and android will not boot. I ge what seems to be power cycling as evident in this video i took http://youtu.be/3IOuUmFPxzw any thoughts about what it could be doing?
  • [19:53:57] <_av500_> cryptision: connect a serial
  • [19:54:50] <_av500_> cryptision: or at least one one of the demo images
  • [19:54:54] <_av500_> use
  • [19:55:26] <_av500_> hmm, but they are dated
  • [19:55:31] <_av500_> koen: no new demo images?
  • [19:55:38] <_av500_> http://www.angstrom-distribution.org/demo/beagleboard/sd-images/2gb/
  • [19:55:42] <_av500_> these smell
  • [19:56:52] <cryptision> I am using one of the demo images. Is there anything special one must do over serial before the BeagleBoard would boot from sd card?
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  • [19:58:35] <cryptision> Oh forgot to ask, is there an available boot.scr which enables lcd output without having a serical cable?
  • [19:59:58] <_av500_> npothing special to boot from SD with an XM
  • [20:00:19] <_av500_> and demo images should come up with 1280x1024 in dvi
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  • [20:01:30] <cryptision> The Beagleboard seems really cool. I just don't get why the designers insist on using a serial cable. I can see needing if you don't have an compitable monitor. Id like to see an image were someone could get tty over usb or with ssh over eth0. that would be cool. As soon as I get a serial cable, I'll try and code an beagle linux distro for just this sort of situation.
  • [20:01:50] <_av500_> sure
  • [20:01:56] <_av500_> you dont need the serial at all
  • [20:02:04] <_av500_> it just helps
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  • [20:02:49] <cryptision> av500 I have my bb connected to a samsung 2493 with hdmi to dvi-d this monitor should be capable of that (its 1920x1600 max) yet I still get no signal from the bb
  • [20:03:05] <_av500_> no idea
  • [20:03:16] <_av500_> watching the serial logs at boot would help :)
  • [20:03:27] <_av500_> can be as simple as sdcard not pushed all the way in
  • [20:03:34] <_av500_> we had that in the past
  • [20:03:55] <cryptision> I'll check for that,but I do always here it click and feel the spring tighten up
  • [20:04:03] <_av500_> it was just an example
  • [20:04:47] <cryptision> thanks for the help, I have'nt felt this noobish since I first descovered linux back when Windows ME came out.
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  • [20:10:53] <djlewis> cryptision: you are a youngster
  • [20:11:54] <_av500_> djlewis: tell us how it whas when these self driving carriages came out?
  • [20:12:11] <djlewis> :P
  • [20:12:43] <_av500_> or when Columbus came to discover you
  • [20:12:56] <djlewis> :P :P
  • [20:13:23] <djlewis> :-/
  • [20:14:13] <djlewis> _av500_: so how did i manage to push your button
  • [20:16:00] <jamuraa> gst-dsp should work on 3.0+ kernels with the XM rev A? or should I downgrade to the 2.6.xx as listed on the page?
  • [20:16:55] <_av500_> depends on what dspbridge driver 3.0 has
  • [20:17:05] <_av500_> maybe they have stopped rewriting it all the time
  • [20:17:23] <_av500_> but I guess they pretty much stopped working on it
  • [20:17:56] <_av500_> since nokla is more after directshow these days....
  • [20:22:35] <cryptision> lol, djlewis at least we don't have to code the beagleboard in COBALT :)
  • [20:23:06] <_av500_> lol COBALT :)
  • [20:23:51] <cryptision> For the moment the only feed back on the Beagleboard I get are the green led. The power led comes on then the two sd card led and after that an led near the usb ports. all will go out and the process is repeat. What does that usually mean?
  • [20:24:07] <_av500_> no idea
  • [20:25:05] <cryptision> I would imagin that on a normally booted beagleboard, the sd card lights would act similar to a drive activity light. Would that assumption be correct?
  • [20:25:12] <jamuraa> hard to tell without serial.
  • [20:25:38] <jamuraa> one of the "sd card lights" is a hdd activity (but inactive on), the other is a heartbeat after boot
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  • [20:27:09] <thurbad> don't think it's inactive on
  • [20:28:24] <cryptision> So if both sd lights are solid green and would blink on and off (power light does the same only a couple of seconds before the sd lights) I would assume that would signify a kernel panic or some other problem. Or is this pattern normal
  • [20:30:11] * ZeZu (null@c-98-227-57-88.hsd1.in.comcast.net) Quit (Ping timeout: 264 seconds)
  • [20:30:16] <cryptision> does any one know of a video online that shows the beagleboot itself booting. I'd like to see the activity of the leds so I can compare that with mine. I have uploaded a video of mine being powered on. http://youtu.be/3IOuUmFPxzw
  • [20:31:03] <jamuraa> no? it's on solid for me normally when the machine is idle, and I swear I saw it pluse low
  • [20:32:51] <thurbad> what power supply are you using?
  • [20:34:53] <cryptision> I am using an external 5 volt power supply. It one of the universal cell phone supplies I thin. I have usb to 2.5mm barrel plug. Would that be the issues. Should I try another wallwort? Maybe one from a Motorola?
  • [20:35:35] <_av500_> cryptision: how many A?
  • [20:35:57] <cryptision> dc500ma
  • [20:36:01] <mru> not enough
  • [20:36:04] <_av500_> +1
  • [20:36:19] <thurbad> my guess isyou don't have enough current once all the devices try to powerup
  • [20:36:21] <cryptision> so I need 1amps
  • [20:36:38] <thurbad> more like 2 if you want topower the usb
  • [20:36:48] <mru> 4 to power everything
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  • [20:36:57] <mru> 2 is enough for just the board
  • [20:37:01] <ds2> if you look carefully, Motorola for some phones had a >1A wall wart with a mini USB connector on it. Good luck finding it
  • [20:37:02] <cryptision> for right now, I have eth and hdmi connected
  • [20:37:33] <ds2> if you are careful with modifying the SW, you might be able to get it to co-exists with 500mA
  • [20:37:43] <_av500_> ds2: motorola married a search company in order to make finding chargers easier
  • [20:38:09] <cryptision> I rather have enough juice,but I don't want to much juice what would the maximum amount of amperage would the BB take?
  • [20:38:19] <thurbad> get a good 2000 or 2500mA 5V supply
  • [20:38:28] <ds2> with those traces, probally 10-20A
  • [20:38:32] <_av500_> you cannot have too much juice
  • [20:38:41] <jacekowski> i have 10A
  • [20:38:46] <cryptision> 10-20a! wow, thats a lot of juice
  • [20:38:53] <ds2> you said max.
  • [20:39:05] <_av500_> thats like saying you cannot drink from a lake since it has too much water
  • [20:39:25] <cryptision> I tried telling a friend that when he tried fishing drunk
  • [20:39:26] <_av500_> imagine swallowing all by accident
  • [20:39:45] <cryptision> av500 that has happen in the Oval Office
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  • [20:40:03] <_av500_> that was by design
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  • [20:40:24] <cryptision> yea, to bad for that blue dress. lol Almost started a war
  • [20:40:26] <_av500_> so, get a proper power supply and a serial and be a happy camper
  • [20:40:52] <cryptision> av500, I know I just suffer from impatientitist. lol
  • [20:41:06] <_av500_> then make your own serial
  • [20:41:19] <_av500_> from a paperclip like mcguywer
  • [20:41:43] <cryptision> were would I find schematics? At least I can bring my own soldering iron to the table :)
  • [20:43:35] <djlewis> cryptision: most usp hubs have a >2A at 5vDC wal warts
  • [20:43:38] <djlewis> usb
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  • [20:57:41] <ds2> there rowboat defconfig sure has a lot of self inconsistancies
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  • [21:05:13] <cryptision> just solved my booting issue. :) I am an idiot. my laptop usb ports put out enough power to the beagleboard. so I have usb to 2.5mm barrelt plug and its booting! yes
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  • [21:12:00] <cryptision> Thanks av500 djlewis for the help and ensight. :)
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  • [21:32:18] <cryptision> I know have Android loaded onto my BB Sweet!
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  • [21:48:26] <Crofton> koen, how was the lowlands?
  • [21:48:32] <Crofton> or whatever it is called
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  • [22:35:04] <vielster> I'm back again...maybe to the chagrin of some
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  • [22:35:44] <vielster> I'm still trying to sort out this whole GPMC thing...it isn't making sense to me
  • [22:36:42] <vielster> if I have a 16-bit SRAM connected, and I want to store a single byte, the BEx signals should represent which byte needs to be written
  • [22:37:31] <vielster> for instance, if I had two parallel 8-bit SRAM devices, it could be gated with the individual chips write enable or even their chip select
  • [22:37:51] * ericb2 (~X@unaffiliated/ericb2) Quit (Quit: Success !!)
  • [22:38:02] <ds2> why are you connecting SRAMs via GPMC? need a lot of it or need it very very very fast?
  • [22:38:23] <vielster> nonvol
  • [22:38:26] <vielster> and fast
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  • [22:39:10] <ds2> how fast?
  • [22:39:34] <mru> don't they make small nvrams on i2c and such?
  • [22:39:41] <ds2> there are less painful ways via a serial bus
  • [22:39:43] <ds2> heh
  • [22:39:44] <vielster> yes, but I2C is far too slow
  • [22:39:48] <mru> spi then
  • [22:39:55] <ds2> how fast do you need it?
  • [22:40:11] <ds2> need i.e. are you doing self modifying code and need it to keep up at 1GHz
  • [22:40:14] <mru> not all that fast if 8-bit is enough
  • [22:41:02] <vielster> Likely at around 300KB/s (big B)
  • [22:41:23] <ds2> so 3000Mbs sec
  • [22:41:29] <ds2> an SPI bus can do up to 48MHz
  • [22:41:43] <ds2> bah... I mean 3Mbs
  • [22:41:45] <vielster> that is true, but the SPI bus incurs a lot of overhead in setting up transfers
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  • [22:42:03] <ds2> yes but at 48MHz, you are 10x faster then you are requiring
  • [22:42:23] <vielster> that's assuming you can simply stream data at 48Mbit
  • [22:42:35] <vielster> we're currently using SPI for other data as well
  • [22:42:39] <vielster> (CAN)
  • [22:43:11] <ds2> why stream it? you can't even consume it that fast
  • [22:45:13] <vielster> high bandwidth usage on SPI is pretty inefficient on the OMAP
  • [22:45:29] <vielster> unless you can break it into very large chunks
  • [22:46:00] <ds2> then... :D
  • [22:46:51] <vielster> from my experience...because the register set is in L3 or L4 region (can't remember off hand), each read/write access is pretty slow
  • [22:47:19] <vielster> so, setting up the DMA and SPI incur quite a bit of overhead
  • [22:49:22] <vielster> plus we have other devices on the bus...I think that's actually the more delimiting factor...we're using SPI1 and SPI3 already for other I/O devices
  • [22:50:59] * kaio (~kaio@fedora/kaio) Quit (Ping timeout: 245 seconds)
  • [22:51:11] <vielster> and the thought was that the GPMC is available and fast, so use it
  • [22:51:24] <vielster> but it's not behaving as we thought it would
  • [22:54:21] <vielster> so the thought was just to replace the 8-bit NVSRAM with a 16-bit NVSRAM on the next spin, but I'm not sure that it will solve the issue because the byte enables will be required to make writes function properly
  • [22:57:31] <vielster> ds2: do you not agree with using the fastest interface available for accomplishing a task?
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  • [23:01:00] <mru> use the simplest interface that is fast enough
  • [23:03:22] <vielster> okay...gpmc would accomplish that no?
  • [23:03:40] <vielster> it's an extension of RAM
  • [23:04:46] * marcompile (~marco@20158006164.user.veloxzone.com.br) Quit (Quit: Ex-Chat)
  • [23:05:32] <vielster> mru: there is no protocol required to write to NVRAM through GPMC. Through I2C/SPI you are required to write some handler that takes care of different commands/states/etc
  • [23:06:00] <ds2> the complexities of the GPMC needs to be carefully weighed
  • [23:06:09] <ds2> and what you described suggests it is non optimal
  • [23:06:51] <ds2> you are still looking at breaking out a lot of traces (24-30 traces)
  • [23:07:07] <ds2> and then you have potential EMI issues
  • [23:07:17] <ds2> it just ain't worth the trouble for such a slow datarate
  • [23:08:45] <siegen> hi! how can i pass to a GPtimer interrupt handler the reference to an i2c-client
  • [23:08:46] <siegen> ??
  • [23:11:47] <ds2> generally, pointers are used.
  • [23:12:10] <siegen> i have an timer interrupt using dmtimer library which calls a interrupt handler every 10 ms , inside of this handler i would like to read my i2c_client
  • [23:14:19] * brolin (~brolin@nat223.udea.edu.co) Quit (Quit: Lost terminal)
  • [23:18:33] <jonpry> i'm not sure that its possible to use the i2c hardware from an interrupt context
  • [23:20:24] <siegen> not
  • [23:20:31] <siegen> is not possible
  • [23:21:02] <siegen> but we can read i2c in the bottom half using workqueues
  • [23:21:25] <siegen> the only way for functions which can sleep
  • [23:22:44] <siegen> i need to pass the reference to my i2c-client because in the interrupt hanlder i will queue the work to do it
  • [23:24:31] <siegen> my real problem is that i need to read some i2c sensors at accurate periodically time (i.e 10 ms) and in userspace app i dont get accurate time due to latencies i guess
  • [23:24:43] <siegen> so i am moving the code to kernel space
  • [23:25:19] <siegen> using timer interrupt and trying to read in bottom half of the interrupt handler
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  • [23:34:15] <siegen> ok i think i can pass that pointer to my i2c device in the last argument of request_irq()
  • [23:34:40] <siegen> let's see. thanks guys
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  • [23:56:59] <housel> annoying that beagleboard.conf lists apm in MACHINE_FEATURES but the defconfig doesn't have APM emulation turned on
  • [23:57:31] <mru> why would you need that?
  • [23:57:52] <mru> apm was a rather primitive interface in 90s pc bioses
  • [23:58:17] <housel> I don't, so it shouldn't be in MACHINE_FEATURES