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| 05:25.07 | Kevin2 | Cool - I can dump the raw irda traffic from hermes. |
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| 13:00.12 | BoSJo | Anybody know whats up with http://gnulinux.biz/ been down for two days now :-( |
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| 14:11.08 | Kevin2 | Well, I can get the irda messages now, but no new info was revealed. The boot is still halting after uncompress. |
| 14:14.52 | pH5 | aww. is it hanging before any fb access? |
| 14:21.55 | Kevin2 | Before the console is setup yes. I can write to the fb during the boot, but it seems to fail randomly during the early init stages. |
| 14:22.14 | Kevin2 | I just got serial stuff going, but it doesn't tell me much more - hang after the uncompress stage. |
| 14:29.09 | pancake | hi Kevin2 are you working on hermes? |
| 14:34.44 | bd2 | Kevin2, hi! You are Kevin O'Connor, right? ;-) |
| 14:36.03 | bd2 | could you please enlighten me on this code found in ad7877, http://paste.lisp.org/display/38277 ? (questions in comments) |
| 14:37.13 | bd2 | is it some special behaviour if this chip, or I missed something? |
| 14:39.16 | Kevin2 | pancake: Yes |
| 14:39.59 | Kevin2 | bd2: The code is correct, because we read the value only after injecting a write on the ssp bus. So, we write a request out, but we read the _previous_ request. |
| 14:40.46 | pancake | Kevin2: great! I've an hermes too, and I want to help on the linux port |
| 14:41.03 | bd2 | Kevin2, ah.. thanks |
| 14:41.26 | Kevin2 | pancake: I'm pretty much stumped at this point. I can only guess we aren't shutting down something - but what it is, I don't know. |
| 14:42.14 | pancake | afaik the kernel hangs after jumping to the kernel entry point |
| 14:42.55 | pancake | (from haret) i read that you're using irda to show the printk messages |
| 14:43.08 | pancake | how can I do that? |
| 14:43.47 | Kevin2 | Do you have an irda dongle on your host? |
| 14:44.23 | pancake | yup, several ones on different boxes and gadgets |
| 14:46.01 | Kevin2 | Well, if you have a simple serial one, it may be easier for you - just line up the phone and your irda dongle and "cat" the serial port for you host dongle. |
| 14:46.27 | pancake | i need any patch for the kernel or just some change the default.txt? |
| 14:46.29 | Kevin2 | I have a usb dongle and had to go a bit further to get at the info. I installed the "systemtap" utility and then ran: |
| 14:47.01 | Kevin2 | Eek - don't have the command anymore.. |
| 14:47.21 | pancake | oops |
| 14:47.40 | Kevin2 | pancake: The default hermes kernel should early boot messages on. |
| 14:48.02 | pancake | directly via irda? |
| 14:48.05 | Kevin2 | You can enable more by turning on serial console and by enabling CONFIG_DEBUG_LL (which is in the "kernel hacking" menu). |
| 14:49.06 | pancake | ok |
| 14:50.13 | Kevin2 | The command was something like: stap -v -e 'probe module("irda*").function("async_unwrap_char") { printf("%d\n", $byte) }' |
| 14:50.57 | Kevin2 | Oh yeah, you need to turn on "enable incoming beams" on the hermes in wince. |
| 14:50.58 | pancake | uhm, it's not in portage..will look for it, seems interesting |
| 14:51.17 | pancake | sadeness: have phun |
| 14:51.45 | Kevin2 | you should probably verify the irda stuff is running by launching "irdadump" on your host. |
| 14:52.24 | pancake | ok |
| 14:56.40 | pancake | what distro and crosscompiler toolchain are you using? |
| 15:05.05 | Kevin2 | pancake: I use fedora core 6. |
| 15:37.13 | Kevin2 | Chapter 24 of the SC32442A guide has some good info -- The SC32442A holds 13 bus masters.. |
| 15:37.38 | Kevin2 | One of them is an "External bus master".. |
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| 15:54.39 | pancake | sry i was dinning |
| 15:54.58 | pancake | i'll try later all this stuff, now i'm gonna chip the wii :) |
| 15:55.36 | pancake | later |
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| 18:59.34 | cr2 | Kevin2: hi. i'm confused by this 'irda' terminology in the log. |
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| 19:30.48 | Kevin2 | cr2: What do you mean? |
| 19:31.43 | Kevin2 | Hrmm. The pins necessary to use an "external bus master" are not configured. This is good, but I still don't know why the boot fails.. |
| 19:41.31 | cr2 | Kevin2: what is irda ? is it sir or fir ? |
| 19:41.50 | cr2 | i'm editing the gpio wiki page. |
| 19:42.32 | cr2 | GPJ is at +0xd0 ? and what is at +0x80 ? i see it in the disassembly. |
| 19:42.47 | Kevin2 | Not sure what you are asking. The s3c uart2 is hooked up to the IR port. I can watch the results from my IR usb dongle in SIR mode. |
| 19:43.06 | cr2 | ok, so it is SIR |
| 19:43.20 | cr2 | pxa had separate sir and fir hardware. |
| 19:43.54 | Kevin2 | It may be possible to put the hermes in FIR mode - I don't know. The messages I saw were in SIR mode though. |
| 19:44.35 | cr2 | Kevin2: can you switch the small cam on, play sound and dump the whole gpio block ? 0x56xxxx up to +0xe0 |
| 19:45.08 | cr2 | somebody has made the dump in December, but said it was confusing. i'd like to compare and add this data to wiki. |
| 19:47.00 | Kevin2 | You want two different dumps, or one dump with both sound and camera? |
| 19:47.52 | cr2 | one. |
| 19:48.20 | cr2 | they are easy to separate. i'm not interested in the gpio levels now, only the CON regs. |
| 19:49.49 | Kevin2 | http://pastebin.ca/399142 |
| 19:49.57 | Kevin2 | They don't have sound. I'll try to turn sound on too. |
| 19:51.03 | cr2 | ok. |
| 19:51.12 | Kevin2 | How do you play sounds? |
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| 19:54.22 | cr2 | put and mp3 file on the microSD card. |
| 19:55.01 | cr2 | or you can also record the sound, only the i2s direction should be different. |
| 19:57.24 | cr2 | btw, did you edit include/asm-arm/arch-s3c2410/uncompress.h ? |
| 19:59.56 | cr2 | ok, +0x80 is MISCCR |
| 20:00.54 | cr2 | +0x88 is extint0 |
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| 20:01.52 | cr2 | too much pain to decode these things by hand. |
| 20:05.16 | Kevin2 | http://pastebin.ca/399169 |
| 20:05.27 | Kevin2 | with sound playing, no camera |
| 20:05.39 | cr2 | thanks. |
| 20:06.03 | Kevin2 | I did modify uncompress.h originally, but once I got IR going, I put it back to the original state. |
| 20:06.32 | cr2 | ok, so you get the uncompressing................. over IR ? |
| 20:10.31 | cr2 | GCS4 is not active in this list, but GCS5 |
| 20:11.12 | cr2 | well, wifi can enable it itself. |
| 20:12.33 | cr2 | what is PMIC ? power management IC ? |
| 20:13.44 | Kevin2 | Yes. I get past the uncompress stage, but no messages after that. |
| 20:14.00 | cr2 | wince kernel disassembly is not very good because of the broken segments ;-) |
| 20:14.14 | cr2 | i don't have rilgsm too. |
| 20:17.25 | cr2 | acx100 uses s3gpio and cpld gpio, i can see which bits. |
| 20:18.25 | cr2 | for some reason it manipulates the cpu pwm settings. |
| 20:25.21 | cr2 | PWRTIACX should work on hermes. |
| 20:39.18 | cr2 | Kevin2: it seems that both SPI channels are enabled. 1 is for the keyboard, the second - don't know. they can use dma. |
| 20:40.22 | cr2 | can you dump 0x59xxxxxx up to +0x40 ? |
| 20:41.10 | Kevin2 | http://pastebin.ca/399202 |
| 20:41.26 | Kevin2 | Although spi can use dma, it needs to be setup via the dma controller. |
| 20:45.09 | cr2 | the spi0 prescaler is 0xff, so the clock is PCLK/512 |
| 20:45.33 | cr2 | i've already forgot what is our PCLK ;) |
| 20:47.48 | Kevin2 | What kernel command line do you use to have console on serial? |
| 20:48.30 | cr2 | console=ttyS2 ? |
| 20:48.48 | cr2 | ttyS2,115200,8,1 |
| 20:53.38 | cr2 | Kevin2: can you look at 0x4b* 00,40,80,c0 DMA srcaddr registers ? |
| 20:55.32 | cr2 | maybe just dump the 0x4b* +0xff |
| 20:55.39 | Kevin2 | The whole 0x4b.. range is zeros for me. |
| 20:56.18 | cr2 | hm. interesting. |
| 20:56.27 | cr2 | sound will certainly use DMA. |
| 20:57.17 | Kevin2 | I've pushed all my register dumps to: http://handhelds.org/~koconnor/HTCHermes/regs/ |
| 20:59.21 | cr2 | ok, thanks. |
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| 21:13.29 | cr2 | goxboxlive: have you already bought htc athena ? :) |
| 21:40.02 | Kevin2 | The only thing I get is: Uncompressing Linux.... done, booting the kernel.\r\n |
| 21:47.18 | cr2 | which kernel are you using ? |
| 21:52.12 | Kevin2 | Latest hh.org kernel. |
| 21:55.24 | cr2 | ok. |
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