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| 00:19.10 | agaffney | ok, wtf |
| 00:19.17 | agaffney | this card behaves differently |
| 00:19.36 | agaffney | instead of accepting data at half speed, it accept some and then blocks |
| 00:20.50 | agaffney | which causes mpg321 to "lock" |
| 00:22.44 | agaffney | (can't be killed with Ctrl-C) |
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| 01:11.01 | J4k3 | ok, I compiled a kernel for my walnut |
| 01:11.27 | J4k3 | and I ended up with four files... vmlinux.bin, vmlinux.gz, zImage.elf and zImage.walnut |
| 01:11.37 | J4k3 | which one should I use to boot off of? |
| 01:12.34 | J4k3 | I assume writing the kernel is just dd if=file.name of=/dev/hda1 (hda1 is the designated area for the kernel).. that method worked with the installer kernel |
| 01:12.40 | J4k3 | I just don't know which file to use |
| 01:19.32 | agaffney | I think you'll need arch/ppc/boot/images/uImage |
| 01:20.35 | J4k3 | hrm, no uImage was created |
| 01:20.51 | agaffney | did you 'make uimage'? |
| 01:21.02 | J4k3 | ahh, no I didn't |
| 01:21.11 | agaffney | do you have the mkimage utility? |
| 01:22.06 | J4k3 | nope, but make uImage is working so far... |
| 01:23.02 | agaffney | it'll fail at the end |
| 01:23.12 | agaffney | you need to compile mkimage |
| 01:23.15 | agaffney | it's part of u-boot |
| 01:23.24 | J4k3 | ahh ok |
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| 03:46.16 | jbevren | yawn |
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| 05:16.48 | davidc__ | dfarnsworth: you the guy that wrote the DHT-Walnut docs? |
| 05:26.26 | jbevren | hrm |
| 05:27.33 | jbevren | yay |
| 05:27.37 | jbevren | (noisy) console on gp2x |
| 05:35.21 | jbevren | hrm |
| 05:37.06 | jbevren | <PROTECTED> |
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| 14:00.06 | prpplague | GPSFan: hey hey bud |
| 14:00.17 | GPSFan | prpplague: howdy.. |
| 14:19.15 | jbevren | prpplague: the zipit serial setup doesnt work well at 115k heh |
| 14:19.26 | jbevren | that or my cable's too long (likely so) |
| 14:20.12 | prpplague | jbevren: oh? |
| 14:20.20 | jbevren | yeah, lots of signal noise |
| 14:20.33 | jbevren | I wired up a gp2x console, but need to debug it |
| 14:20.40 | jbevren | oh, and the max233 doesnt seem to like running on 5v heh |
| 14:35.04 | GPSFan | jbevren: the fastest that I've ever tun my Zipit serial is 56kb. and it's the max233a that will run ok at 3.3v |
| 14:37.48 | prpplague | GPSFan: hey, i need something to stress test a usb slave port on an arm device, got any ideas? |
| 14:37.56 | prpplague | GPSFan: i was thinking of writing an app using libusb |
| 14:42.04 | jbevren | GPSFan: nod. I had to run it at 3.3v |
| 14:42.11 | jbevren | GPSFan: its noisy, but it works |
| 14:43.12 | jbevren | I'll have to shorten the cable |
| 14:43.21 | jbevren | it's an old belkin vga extender (I hacked the plugs off) |
| 14:43.26 | jbevren | so I -thought- it'd be ok heh |
| 14:43.39 | GPSFan | prpplague: get a usb audio device <$10US and paly some music through it, at the same time add a usb storage device. |
| 14:46.12 | GPSFan | jbevren: I run my max233a converter off 2 weak AA cells, they measure 2.45v no load atm, been using them for a year like that. cable to the real rs232 port is about 3'. connection from the 233a to the Zipit is about 3". |
| 14:47.07 | prpplague | GPSFan: yea i was thinking of something more qualitative |
| 14:55.32 | jbevren | GPSFan: You know, I pondered building a conversion pod that runs off a cr2032 :) |
| 14:59.27 | GPSFan | prpplague: sorry, that's what I did to debug the ehci issues I had with my A3000. |
| 15:00.28 | prpplague | GPSFan: ahh |
| 15:01.19 | GPSFan | jbevren: I started out using a usb-serial adapter, and had no-end of troubles with it. it was running under windows, but that'w where Zipitpet's software ran so at first I had no choice of OS. never did go back and figure out what the problem was with the usb-serial. |
| 15:02.40 | jbevren | heh |
| 15:02.48 | jbevren | I'm using an onboard serial port (i810 chipset) |
| 15:02.59 | GPSFan | jbevren: I used the AA's 'cause I had the holder lieing on my bench taking ups space. |
| 15:04.01 | jbevren | anyway, I'll chop the cable back later today |
| 15:04.12 | jbevren | 6 feet might be a bit long heh |
| 15:05.09 | jbevren | at any rate, I put an atx psu on a barrier strip, so I have a nice array of voltages to play with ;-) |
| 16:02.43 | dfarnsworth | davidc__, if you're still around, I did some u-boot + linux 2.6 work for dht-walnut |
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| 16:32.19 | davidc__ | dfarnsworth - here now for 30 seconds before I leave for work: yeah- trying to get that board up /w linux.. I've got the tftp booting all working great /w the example images , but for the life of me I can't manage to get the powerpc cross toolchain to compile a kernel for it. Anyhow. was just wondering what gcc version you used to compile the cross compiler, and what --target .... |
| 16:33.01 | davidc__ | er.. what gcc version you used *as* the cross compiler |
| 16:34.58 | dfarnsworth | davidc__, I understand. I use a montavista compiler. There are others here who have successfully built it with the denx tools, I believe. I hope someone will chime in. |
| 16:35.53 | davidc__ | dfarnsworth: ah. I tried building the compiler straight from gcc sources.. thats a day of my life I wish I had back ;) |
| 16:37.04 | dfarnsworth | I suspect that will take much more than a day to get going. |
| 16:38.37 | davidc__ | anyhow.. thanks for the info [I'll try that denx tools one.. montavista is commercial isn't it?] |
| 16:38.40 | davidc__ | 'later |
| 16:38.49 | dfarnsworth | I haven't used it yet, but I've heard good things about: http://www.denx.de/en/News/PressReleaseELDK40 |
| 16:39.46 | dfarnsworth | yes, montavista is too much for hobbyists, though they had a free version of the tools + linux a few years ago that is still usable. I'd recommend the ELDK from denx. |
| 16:39.57 | jbevren | all I know is that I cant build 2.6.8.1 on two systems |
| 16:40.01 | jbevren | both x86, native target |
| 16:40.25 | jbevren | dfarnsworth: I use denx's 2.4.25 dev kernel |
| 16:40.29 | jbevren | and um |
| 16:40.40 | JoseJX | davidc__: I just used a regular gcc-3.4.4 ppc compiler (I run Gentoo PPC on my desktop) and succesfully built a 2.6.15 kernel for the walnut |
| 16:40.42 | jbevren | gcc version 2.95.3 20010315 (release) |
| 16:41.20 | davidc__ | hrm - isnt montavista gcc based? they should have to release the sources + build scripts |
| 16:41.39 | jbevren | gamepark should have to release it too |
| 16:41.51 | jbevren | they have patched versions of linux, mplayer, and a couple others |
| 16:41.59 | davidc__ | JoseJX: hmm... I was trying 4.0.2 - I got the compiler all built, but the kernel throws all sorts of errors when building |
| 16:43.02 | dfarnsworth | davidc__, montavista does provide the sources, etc. to their customers. |
| 16:43.13 | jbevren | they cant charge for it |
| 16:43.24 | jbevren | the source release has to be open and free :) |
| 16:43.34 | davidc__ | dfarnsworth: ah. Well.. the customers have the legal right to redistribute the source.. so its gotta be on the net somewhere ;) |
| 16:43.36 | dfarnsworth | jbevren, not according to the GPL |
| 16:43.50 | jbevren | the gpl (iirc) only allows a small fee for media |
| 16:43.51 | dfarnsworth | davidc__, you're right, and you may find it. |
| 16:44.10 | dfarnsworth | jbevren, the gpl puts no limits on price. |
| 16:44.24 | agaffney | davidc__: I build a gcc-3.4.4 ppc cross-toolchain on my x86_64 box using gentoo's crossdev |
| 16:44.43 | davidc__ | agaffney: hmm - I'll check that out |
| 16:44.50 | agaffney | dfarnsworth: I thought the GPL says that the cost must be reasonable |
| 16:44.57 | dfarnsworth | nope |
| 16:45.03 | agaffney | enough to cover the distribution |
| 16:45.41 | davidc__ | agaffney: which configuration options did you give it? Its not building the toolchain, thats easy but time consuming.. its making it play nice with the kernel :P |
| 16:46.04 | agaffney | davidc__: have you ever cross-compiled a kernel? |
| 16:46.06 | dfarnsworth | you can charge what the market will bear. usually it won't bear much, since anyone who buys it can resell it for any price. |
| 16:46.11 | davidc__ | agaffney: tons of times ;) |
| 16:46.18 | davidc__ | agaffney: its just this powerpc one thats giving me trouble |
| 16:46.27 | davidc__ | I've done lots + lots of arm kernel work |
| 16:46.53 | agaffney | davidc__: all I did was 'make ARCH=ppc CROSS_COMPILE=powerpc-softfloat-linux-uclibc- uimage' |
| 16:46.55 | davidc__ | I'm building the kernel /w make ARCH=powerpc CROSS_COMPILE=powerpc-linux-elf- |
| 16:47.20 | jbevren | CROSS_COMPILE = powerpc-linux- |
| 16:47.36 | davidc__ | eh. my compiler came out as powerpc-linux-elf- |
| 16:47.50 | jbevren | nod |
| 16:47.56 | jbevren | compilers will differ by name heh |
| 16:48.02 | agaffney | davidc__: ARCH=ppc, not ARCH=powerpc |
| 16:48.17 | agaffney | unless powerpc is an alias |
| 16:48.21 | davidc__ | ah. |
| 16:49.27 | davidc__ | seems to be - get the same error |
| 16:49.30 | JoseJX | agaffney: That's not true for newer kernels unfortunately |
| 16:49.50 | davidc__ | eh.. same errors. maybe its a gcc4ism |
| 16:50.01 | JoseJX | agaffney: From 2.6.15 onwards, you can use the ARCH=powerpc target, in 2.6.16, it will be the only target, ppc is going away. |
| 16:50.17 | JoseJX | agaffney: It's because of the kernel header merge between ppc32 and ppc64 |
| 16:50.54 | davidc__ | anyhow - I gotta go to work. I'll take another stab at this thisevening |
| 16:53.16 | agaffney | JoseJX: ah |
| 17:02.24 | dfarnsworth | JoseJX, support for individual boards will come after 2.6.16, so ARCH=ppc will live on for a while. I wonder if/when someone will migrate 405gp to powerpc. |
| 17:02.53 | JoseJX | dfarnsworth: Yeah, that's right, I forgot they weren't moving the embedded stuff yet. |
| 17:03.38 | dfarnsworth | yeah, it's all up to whoever cares enough to do the port. |
| 17:05.18 | dfarnsworth | The major hurdle is the requirement for a new method of passing info from the bootloader to the kernel--the flattened device tree. U-boot is adding support for it, so boards using it won't be too bad, just need to define the flattened device tree itself. |
| 17:05.39 | dfarnsworth | boards that don't use u-boot will be harder |
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| 18:44.00 | prpplague | dfarnsworth: apex supports the newer kernel info |
| 18:44.06 | prpplague | dfarnsworth: but its still just for amr |
| 18:44.09 | prpplague | arm |
| 18:44.25 | prpplague | dfarnsworth: i'd like to see it for other arch's but i doubt it will happen anytime soon |
| 18:44.43 | dfarnsworth | prpplague, thanks. I guess I have my ppc blinders on |
| 18:45.12 | prpplague | dfarnsworth: hehe, np, i'm similarly biased towards arm |
| 18:48.01 | dfarnsworth | prpplague, just checking. The arch/ppc to arch/powerpc is a change to a modified Open Firmware device tree. I thought OF was ppc-specific. |
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| 18:50.06 | dfarnsworth | Open Firmware is a bios written in Forth, adopted by IBM and other ppc manufacturers way back when, but typically only supported on non-embedded systems. |
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| 18:59.16 | JoseJX | dfarnsworth: Sun also has an OF implementation for SPARCs, there's nothing really PPC specific about it |
| 19:00.57 | dfarnsworth | JoseJX, yes. now, I remember Sun was doing it. I guess the point of forth was to make it work on multiple architectures. Cool. |
| 19:01.19 | prpplague | dfarnsworth: "firmware" as for ARM is pretty limited to bootloaders |
| 19:01.32 | prpplague | dfarnsworth: everything else is pretty much in the OS or embedded application |
| 19:02.23 | dfarnsworth | prpplague, that's what I expected, so I would be surprised that arm used anything as heavyweight as open firmware. |
| 19:02.53 | dfarnsworth | or the flattened version of the OF device tree that arch/powerpc is using. |
| 19:08.51 | agaffney | heh |
| 19:12.13 | prpplague | ugh |
| 19:12.31 | prpplague | we have 80% failure rate so far on our new cpu board |
| 19:12.35 | prpplague | major major problems |
| 19:13.08 | dfarnsworth | now that's bad |
| 19:13.38 | jbevren | grumble |
| 19:13.44 | jbevren | that's a 'what the..' thing |
| 19:27.33 | jbevren | lol |
| 19:27.39 | jbevren | guys on ebay selling jtag 10pin headers |
| 19:27.42 | jbevren | for $5 each |
| 19:27.52 | jbevren | I feel bad for people that dont know any better |
| 19:43.53 | prpplague | hehe |
| 19:44.54 | jbevren | prpplague: 7593066148 (ebay) |
| 19:47.47 | prpplague | jbevren: thats similar to the b0x board |
| 19:47.57 | jbevren | that was the unstated question heh |
| 19:48.01 | jbevren | I foudn the b0x too |
| 19:51.29 | jbevren | 7593697571 (with lcd) |
| 19:57.08 | jbevren | prpplague: anyway, I have parts to build a wiggler now |
| 19:57.16 | jbevren | so I might have time to build it tonight |
| 19:57.17 | jbevren | hehe |
| 19:59.45 | prpplague | jbevren: lovely |
| 19:59.56 | jbevren | so waht do you think of this board |
| 20:00.48 | jbevren | hehe |
| 20:00.55 | prpplague | i'm swampped at the moment with this board bring up |
| 20:01.00 | jbevren | nod |
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| 22:04.49 | J4k3 | hmm, don't think my audiopci es1370 works in the walnut |
| 22:16.27 | agaffney | meh |
| 22:16.36 | agaffney | I've got 2 1371s that don't work |
| 22:16.49 | agaffney | alsa and oss |
| 22:16.55 | agaffney | both broken in different weird ways |
| 22:17.08 | agaffney | I've got a 1370 on the way, but I guess that won't work :/ |
| 22:20.01 | J4k3 | yeah |
| 22:20.15 | J4k3 | I was gonna use a (barf) SB Live, but found out it was modules-only |
| 22:20.19 | J4k3 | err module-only |
| 22:20.38 | J4k3 | I've got a yamaha working great in linux on my pc, I'll test it |
| 22:30.35 | agaffney | eh, my 1371 worked great in linux on x86 |
| 22:30.42 | agaffney | so that's no indication |
| 22:30.51 | J4k3 | this is true |
| 22:39.07 | agaffney | ok, wtf |
| 22:39.09 | agaffney | fedex-- |
| 22:39.14 | agaffney | I've got a package coming from CA |
| 22:39.26 | agaffney | I see no tracking information since it left CA at 1:30am on saturday |
| 22:39.32 | agaffney | and it shows up in IL about an hour ago |
| 22:39.35 | agaffney | and it's coming to MO |
| 22:39.42 | agaffney | they fscking passed my state! |
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