| 00:12.54 | *** join/#edev purl (i=ibot@pdpc/supporter/active/TimRiker/bot/apt) |
| 00:12.54 | *** topic/#edev is discussion for small embedded device development and hacking || http://www.elinux.org/wiki/ || http://www.hackaday.com || http://www.linux-hacker.net || LNode80 arm7 developments kit available at the end of Jan |
| 02:12.59 | *** join/#edev p-crat_ (n=p-crat@lns-bzn-45-82-65-150-248.adsl.proxad.net) |
| 02:33.45 | *** join/#edev cyfer (n=cyfer@tor/session/x-f16de1b884f5ea1e) |
| 02:34.24 | cyfer | greetings |
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| 03:56.49 | mackiliaf | anyone tried to get Xorg 7.0 into buildroot? |
| 03:59.22 | agaffney | does anyone know the full back story on the walnut boards? what exactly were they originally for? how did they end up at bgmicro.com? |
| 04:05.34 | joe_bleau | I found out a bit about the ones at Tanner |
| 04:05.40 | joe_bleau | Some kind of home audio device |
| 04:06.06 | joe_bleau | Tanner has to remove them from the branded (not DHT) case |
| 04:06.16 | joe_bleau | sign some paperwork, and only sell the boards. |
| 04:07.48 | joe_bleau | My suspicion is that they didn't want their name tarnished by cheap stuff in the surplus channel |
| 04:08.02 | joe_bleau | Note: this is all second hand info, so it's probably not completely accurate |
| 04:08.40 | agaffney | has anyone found an existing case that these things fit nicely into? |
| 04:09.21 | joe_bleau | Not to my knowledge, but I'm not in channel at the most active times (and the logs aren't updating). |
| 04:31.34 | cougarvt | joe_bleau: when we spoke a while ago you said i caught an error on the nand example (unintentionally...) |
| 04:31.43 | cougarvt | do you recall what that typo was? |
| 04:32.06 | joe_bleau | Yeah, one of the memory section definitions had an extra leading 0...look for the nine digit hex constant. |
| 04:32.35 | cougarvt | in the spec sheet 0x01C00000 is the System Configuration Register - the 5th bit is reserved |
| 04:32.42 | cougarvt | checking... |
| 04:33.32 | cougarvt | sorry - in the comment above: the wiki says to write 0x08 to 0x01C00000 |
| 04:33.40 | joe_bleau | <PROTECTED> |
| 04:33.58 | joe_bleau | s/0x010001000/0x10001000/ ? |
| 04:34.39 | cougarvt | got it - i was looking on the wiki, not in the code. thanks |
| 04:37.27 | cougarvt | so asserting 'Write buffer Enable' disables the cache? |
| 04:38.32 | joe_bleau | Nope, but setting bits 1 and 2 to zero does... |
| 04:39.24 | joe_bleau | (page 6-8 in my datasheet) |
| 04:40.06 | cougarvt | ah.. foolishly ignored the zeros and assumed the 1 was the only important part |
| 04:47.40 | cougarvt | all of the section in nand_1.dld point to RAM - should they be pointing to SRAM? |
| 04:48.02 | cougarvt | ld is complaining because the stack in in SRAM space, not RAM |
| 04:48.34 | joe_bleau | There's no SRAM in the linker file for nand_1, just RAM or SDRAM |
| 04:49.11 | joe_bleau | All sections to RAM, which is defined as the onchip cache/ram |
| 04:49.21 | cougarvt | s/SRAM/SDRAM/ |
| 04:50.04 | joe_bleau | That's really odd. I just download the example code, and the nand_1.dld file has stack > RAM |
| 04:50.33 | cougarvt | more precisely that 0xc001200 of .stack in not within the region RAM |
| 04:50.45 | cougarvt | you are right - the dld file point everything to RAM |
| 04:51.15 | cougarvt | it may be an issue on my end. I had to change the makefile a little for my setup |
| 04:51.33 | joe_bleau | On that one, I think I wanted to leave the entire 8MB sdram free |
| 04:51.50 | joe_bleau | Yes, you'll need to at least point it at your tools. |
| 04:52.10 | joe_bleau | That's something that should be mentioned in the readme.txt file, which isn't part of the tarball. |
| 04:54.11 | cougarvt | the issue i had with the lcd demo what ld not seeing ld-linux.so.2 |
| 04:54.24 | cougarvt | but i'll will post what i've learned soon |
| 04:54.34 | joe_bleau | path problem? |
| 04:54.50 | joe_bleau | Can you run the linker from the command line? |
| 04:55.22 | cougarvt | i added -Wl,-R$(LDPATH) to the linker line and that fixed it |
| 04:55.44 | cougarvt | my arm tools are not in my lib path |
| 04:57.45 | joe_bleau | What's -WI and -R? |
| 04:58.52 | cougarvt | they are new to me but have to do with making ELF files. -Wl is used to pass options in and -R is -rpath (to add a custom path to shared libs) |
| 04:59.44 | cougarvt | they are in the linker section of the gcc man page |
| 05:02.05 | joe_bleau | That's weird. As I read it, it's used when linking shared objects into the executable. |
| 05:02.57 | cougarvt | like i said it's new to me but was something i came across on some mailing list |
| 05:03.26 | cougarvt | the changes i made to your makefile yield the same binaries but how is still a bit of magic to me |
| 05:03.46 | joe_bleau | prpplague had to mod the makefiles too, but I don't know what he did. |
| 05:04.01 | joe_bleau | I only tested under Cygwin and OpenBSD/sparc, so maybe I missed something. |
| 05:04.16 | cougarvt | i think it's a cygwin/linux native issue but that's just a hunch having never used cygwin |
| 05:04.41 | joe_bleau | Yeah, but I would have thought OpenBSD on sparc would be so far out in left field |
| 05:04.45 | cougarvt | oh it works in bsd... |
| 05:04.53 | joe_bleau | that it would have shaken loose anything odd or funky. |
| 05:05.56 | cougarvt | i'd like to look into it more later. i'm getting exposed to a lot of new things with gcc lately |
| 05:06.36 | cougarvt | i'm going to start working on breaking up your demo code/my code into a bunch of header files for the wiki |
| 05:06.46 | joe_bleau | Yeah, I just logged in and checked it again. |
| 05:06.53 | cougarvt | i'm hoping that jb development gets going again |
| 05:07.15 | joe_bleau | The openbsd/sparc64 test was with gcc-4.0.0 |
| 05:07.19 | cougarvt | you have a lot of great stuff in the demos, uart, lcd, nand... |
| 05:07.31 | joe_bleau | Never got around to doing sound and I2C. |
| 05:07.49 | joe_bleau | DMA to the UART was fun, but I don't know if it made it into a public demo. |
| 05:08.10 | joe_bleau | I remember setting it loose, halting the CPU over JTAG, and the DMA engine kept on pumping the UART. |
| 05:08.20 | joe_bleau | That was a little...unexpected. |
| 05:08.20 | cougarvt | i'm running gcc 4.0.2 from gp2x development |
| 05:08.38 | cougarvt | yeah i got a lot of random data out of the uart with the nand demo |
| 05:08.58 | cougarvt | mostly non-printable chars |
| 05:10.10 | cougarvt | i'm having a great time drawing circles and lines, dimming the backlight and all this other essentially meanless toying |
| 05:11.03 | joe_bleau | Hmm. Sounds familiar. |
| 05:11.19 | cougarvt | hehe |
| 05:12.15 | cougarvt | did you ever get uclinux running? |
| 05:12.22 | joe_bleau | Never even tried. |
| 05:13.24 | cougarvt | i want to get there eventually but there's a lot to do - best dev kit i ever got for $15 |
| 05:13.46 | joe_bleau | Yep. Lots of bang for the buck in the JB. |
| 05:17.50 | cougarvt | any idea how big the uclinux bootloader is? or how to figure that out? |
| 05:18.06 | joe_bleau | Yeah, ask prpplague. ;-) |
| 05:20.18 | cougarvt | have you been using jtager much? |
| 05:20.36 | joe_bleau | Didn't work with my olimex jtag tool |
| 05:20.47 | cougarvt | i find it easier to use but now am looking for a way to verify that my flash is present |
| 05:20.47 | joe_bleau | I think I know why, but haven't had time to test. |
| 05:21.07 | joe_bleau | Doesn't one of the demos show the manufacturer code of the NAND device? |
| 05:21.31 | cougarvt | that's too bad. i spent hours debugging my homebrew wiggler only to find i wired the parallel port TDO to the wrong pin |
| 05:22.02 | joe_bleau | Yeah, nand_1 should show you the size and manufacturer. Does that jive with what you know your xD card to be? |
| 05:22.04 | cougarvt | maybe - i only got the demos to build tonight so i haven't spent much time reading all the docs |
| 05:22.25 | cougarvt | i only got jibberish from the uart :( |
| 05:22.44 | cougarvt | lots and lots of it |
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| 05:23.44 | joe_bleau | I found an MX1 device the other day. |
| 05:23.53 | joe_bleau | I'm pretty sure it's arm9xxx core. |
| 05:24.08 | joe_bleau | Came from a handheld barcode scanner. |
| 05:26.05 | cougarvt | nice. we are getting this sick arm9 dev kit for a project at work - i'm hoping the customer doesn't want it when the project is done |
| 05:26.36 | joe_bleau | I found a 4x2 set of pads, so I'm thinking jtag. |
| 05:26.40 | cougarvt | or at least that i have some time to play with it. i want to get some experience with buildroot |
| 05:26.46 | cougarvt | sounds about right |
| 05:26.54 | joe_bleau | But it's been wet and returned as defective, so I may be chasing a dead end. |
| 05:27.17 | cougarvt | no better way to drive yourself nuts and have a great time trying |
| 05:28.54 | cougarvt | i dont think it's seeing my xD card. all the jibberish is probably the 8mb dump |
| 05:29.24 | joe_bleau | check out nand_test()...add some calls to dump the interesting variables |
| 05:29.28 | cougarvt | jtager claims there is not flash present either. i'll have to dig into that. i used a video cart rather than the mp3 kit |
| 05:31.02 | cougarvt | i think i'll focus on getting it to build so i can play around with the code |
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| 05:35.44 | cougarvt | any idea why .stack would be mapped in the SDRAM section? it has an origin of 0x0c001100 in the map file |
| 05:36.17 | joe_bleau | Double check the link script |
| 05:36.57 | joe_bleau | Shoot, just remove that SDRAM line |
| 05:37.08 | cougarvt | <PROTECTED> |
| 05:37.55 | cougarvt | but then in the map: .stack 0x0c001100 |
| 05:40.40 | cougarvt | it built but differs from your bin |
| 05:40.43 | cougarvt | i'll test |
| 05:43.09 | cougarvt | it's fades to black and dumps tons of junk out the uart. so far it seems the same. |
| 05:43.27 | cougarvt | what did removing the sdram line do? leave everything as ram? |
| 05:43.47 | cougarvt | i still disabled the cache |
| 05:44.20 | joe_bleau | Hopefully. You've reassigned the memory from cache to sram. |
| 05:44.43 | joe_bleau | I think you can also go half cache, half sram. |
| 05:47.05 | cougarvt | yep - no nand code found. still i can build it so i can now figure out what's wrong with my hardware |
| 05:47.55 | cougarvt | thanks for spending so much time helping me out btw - i appreciate it |
| 05:48.11 | joe_bleau | Oh, I'm just reading usenet and watching the world scroll by. |
| 05:48.20 | joe_bleau | Nice to see someone making progress. |
| 05:49.51 | cougarvt | i wish i could keep this pace up. pretty soon i'm going to have to stop ignoring my life and start ignoring the jb a little more |
| 05:50.03 | cougarvt | it's just motivating to see results |
| 05:51.18 | cougarvt | about the carts...since i am using a video cart i should only have needed to wire in the nand? |
| 05:51.48 | cougarvt | i looked at prpp's hack and the video cart seems to match it - pull resistor on the right pins... |
| 05:51.52 | cougarvt | did i miss something? |
| 05:51.58 | joe_bleau | No idea. |
| 05:52.16 | cougarvt | ok. too late for that tonight but maybe next week. |
| 05:52.50 | cougarvt | it's time for me to turn in for the night. thanks again for you help. keep watching the wiki for my progress |
| 05:52.59 | joe_bleau | 'k. Later! |
| 05:53.01 | cougarvt | night |
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| 07:34.15 | *** topic/#edev is discussion for small embedded device development and hacking || http://www.elinux.org/wiki/ || http://www.hackaday.com || http://www.linux-hacker.net || LNode80 arm7 developments kit available at the end of Jan |
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| 17:07.41 | nerdboy | this walnut board is pretty cool... |
| 17:08.26 | nerdboy | no kernel patches even |
| 17:09.48 | sherbang | yeah, I just finally got to play with mine last night. I like it |
| 17:10.04 | *** mode/#edev [+o prpplague] by ChanServ |
| 19:10.10 | joe_bleau | I have riscwatch! |
| 19:10.52 | prpplague | joe_bleau: ???????? |
| 19:11.07 | prpplague | joe_bleau: oh yea? |
| 19:11.17 | joe_bleau | Two, actually. One is mine, one is a loaner |
| 19:11.25 | prpplague | joe_bleau: url? |
| 19:11.50 | joe_bleau | http://www-306.ibm.com/chips/techlib/techlib.nsf/products/RISCWatch_Debugger |
| 19:15.23 | prpplague | ahh interesting |
| 19:16.07 | joe_bleau | The loaner is config'd for 4xx series debugging |
| 20:33.32 | joe_bleau | well, there went the magic smoke |
| 20:57.10 | joe_bleau | Today's lesson: when IBM silkscreens 12V, 3.3A, center negative next to the DC input connector, they really mean 5V, 1A, center positive. |
| 21:27.56 | sunrunner20 | lol |
| 21:28.27 | sunrunner20 | that blows |
| 21:34.14 | *** join/#edev frank_ (n=user@84.92.70.37) |
| 21:40.53 | joe_bleau | Yep. |
| 21:41.23 | sunrunner20 | go bitch at ibm |
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| 21:41.45 | sunrunner20 | see if they will send you a new one |
| 21:41.55 | joe_bleau | The part number doesn't come up. It's too old to be in their system. Besides, I only gave $1+ship on eBay for it. |
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| 23:22.03 | *** topic/#edev is discussion for small embedded device development and hacking || http://www.elinux.org/wiki/ || http://www.hackaday.com || http://www.linux-hacker.net || LNode80 arm7 developments kit available at the end of Jan |
| 23:32.22 | nerdboy | i was going to try the gentoo embedded stage3 |
| 23:32.52 | agaffney | JoseJX and I have been using the ppc uclibc stages |