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| 04:41.30 | Megamahi | J4ke: is it a DHT board? |
| 04:41.35 | J4k3 | yeah |
| 04:41.51 | jbevren | didnt gpsfan get 2.6 on his dht? |
| 04:41.57 | Megamahi | i just made a patch for 2.6.16 that adds in a char driver for the gpios |
| 04:42.00 | jbevren | I use 2.4 cause It Works(TM) |
| 04:42.00 | J4k3 | yeah, 2.6 is working |
| 04:42.07 | Megamahi | ya 2.6.16 works |
| 04:42.08 | J4k3 | I'm running 2.6.15-4 right now |
| 04:42.23 | J4k3 | I just forgot to enable some stuff :D |
| 04:44.22 | Megamahi | i found this little kernel module from a linux-2.4.18_mvl30 im assuming a montavista kernel |
| 04:44.42 | Megamahi | had a simple little module, so i just did the little changes so it compiles in 2.16.16 |
| 04:44.46 | Megamahi | 2.6.16* |
| 04:45.31 | Megamahi | literally JUST finished sorting out the .patch |
| 04:54.36 | J4k3 | 2.4 would probably be better for my application really |
| 04:54.46 | J4k3 | 2.6, I've found, is generally a bit on the slow side |
| 04:55.00 | Megamahi | well i cant say it isnt big |
| 04:55.10 | Megamahi | my 2.4 kernels are literally half the size of my 2.6s |
| 04:55.25 | J4k3 | yep |
| 04:55.27 | Megamahi | and thats with all the moduloes built in |
| 04:56.05 | J4k3 | is there no patch required to get 2.4 to boot on the walnut? |
| 04:56.18 | Megamahi | anyone know licensing stuff, just wanta get a double check to make sure everything is 'kosher' (im not the one to make patches) |
| 04:56.21 | Megamahi | uh no |
| 04:57.17 | Megamahi | there is one option though that you need to check else your HD will show as hde not hda |
| 04:57.23 | davidc__ | if its GPL - its ok |
| 04:57.56 | Megamahi | yup, it is, just the (c) MontaVista i was worried about |
| 04:59.44 | Megamahi | in the IDE sewttings just have its like "boot off chip IDE devices first" or something, im not logged into my compile box so i dont have it in front of me |
| 05:01.03 | Megamahi | ok davidc__ adding it to the wiki then |
| 05:01.17 | davidc__ | huh? |
| 05:01.45 | Megamahi | im resoponding to what you said |
| 05:02.20 | Megamahi | made a patch using a old kernel driver, needed to check if it was fine to post, you said yes, so im adding it |
| 05:02.31 | davidc__ | ah |
| 05:02.42 | Megamahi | for GPIO on 2.6.16 |
| 05:03.21 | davidc__ | the walnut has GPIO? |
| 05:03.25 | Megamahi | ya |
| 05:03.39 | davidc__ | where? |
| 05:03.46 | davidc__ | didn't see any headers for ti |
| 05:03.59 | Megamahi | the 405 has 32(?) pins on the actual chip |
| 05:04.04 | Megamahi | ya there is no header |
| 05:04.13 | davidc__ | MegaMahi: ah, so where are they brought out to :P |
| 05:04.14 | Megamahi | but hey use it for the Green Media LED |
| 05:04.20 | Megamahi | not sure |
| 05:04.25 | davidc__ | do we need to drill thru and bond to the bga pads? :P |
| 05:04.32 | davidc__ | [which is doable, though unpleasant |
| 05:04.36 | Megamahi | have to still look for any traces |
| 05:04.41 | Megamahi | hehe |
| 05:05.03 | davidc__ | [and it seriously is doable!, but anyhow...] |
| 05:05.08 | J4k3 | wouldn't it be easier to buy a parallel port card? :D |
| 05:05.20 | davidc__ | J4k3: probably not as fast |
| 05:05.53 | davidc__ | gpio can be quite fast |
| 05:06.36 | Megamahi | you need to control the gpios to get the green led on the board to light, so i was poking on how to do that, figured it out on a linuxppc kernel, so i poked arround to add that same /dev/ functionality to 2.6(cause i was allready using it) |
| 05:07.57 | Megamahi | found that driver from some site, guy hacking his access point, i actually used some of his OCD files to debrick one of my boards(same chip 405GP) |
| 05:08.24 | Megamahi | see if i can find the link again |
| 05:08.54 | Megamahi | http://pupa.da.ru/proxim/ |
| 05:10.09 | J4k3 | haha |
| 05:10.14 | J4k3 | I have 9 of those little proxim pucks |
| 05:11.00 | davidc__ | hmm? |
| 05:11.09 | davidc__ | neat bugger |
| 05:11.26 | davidc__ | the wifi bits are on the back? |
| 05:12.41 | jbevren | Megamahi: I built the PPC405 gpio drive into my kernel |
| 05:12.51 | jbevren | does that control the GPIO for the media LED? |
| 05:13.07 | Megamahi | the one i posted? or is there one i dont know about/ |
| 05:13.25 | jbevren | in the DENX 2.4.x kernel tree, there's an option for IBM PowerPC 405 GPIO |
| 05:13.26 | jbevren | I have it on |
| 05:14.06 | Megamahi | ya thats what i used in linuxppc, but im using 2.6.16, there is no module for that |
| 05:14.21 | Megamahi | vanilla 2.6.16 i should say |
| 05:14.29 | jbevren | ah |
| 05:14.37 | jbevren | how does one use the gpio then? I havent worked taht out yet |
| 05:14.43 | Megamahi | ioctls |
| 05:14.46 | jbevren | ohhh |
| 05:14.52 | jbevren | got a link to sample code by chance? |
| 05:15.00 | Megamahi | hold on i got some code from that same proxim thing |
| 05:15.20 | Megamahi | guy posed like a 96MB targz of everything sourced |
| 05:15.24 | Megamahi | posted* |
| 05:16.06 | jbevren | proximap.tar.bz2 has the sample gpio code? |
| 05:16.25 | Megamahi | inside it, i have it extracted give me a sec ill have it on my webserver |
| 05:16.56 | jbevren | ah ok :) |
| 05:17.23 | J4k3 | hmm, what device does the 405GP's internal ethernet fall under in 2.4? |
| 05:17.41 | J4k3 | it doesn't list the 405GP internal ethernet like 2.6 does |
| 05:17.57 | J4k3 | err |
| 05:17.59 | J4k3 | yeah it does |
| 05:18.01 | J4k3 | :| |
| 05:18.15 | jbevren | hehe |
| 05:18.16 | Megamahi | uh |
| 05:18.24 | Megamahi | NatSemi (gets magnifying glass) |
| 05:18.39 | J4k3 | ahh I see it |
| 05:19.12 | jbevren | no |
| 05:19.22 | jbevren | thats the mac |
| 05:19.24 | jbevren | :) |
| 05:19.28 | jbevren | its on-chip eth |
| 05:19.37 | jbevren | the natsemi just does the phys layer management |
| 05:19.48 | davidc__ | jbevren: you mean its a natsemi phy? |
| 05:19.58 | jbevren | yeah |
| 05:20.02 | jbevren | phy's the word |
| 05:20.07 | jbevren | the mac's on the 405 |
| 05:20.52 | Megamahi | durf, you your right its on chip |
| 05:21.02 | Megamahi | i was thinking the ide controller for some stupid reason |
| 05:21.17 | Megamahi | theres 2 different promise drivers |
| 05:21.44 | Megamahi | im like running on coffee now, and i should be in bed |
| 05:22.25 | Megamahi | http://dht405.imahi.net/gpio.c |
| 05:22.41 | Megamahi | thatll work with that ocp_gpio driver in linuxppc |
| 05:23.55 | Megamahi | the one in my patch is almost the same, but it doesnt use ocp and its a little different in the naming |
| 05:27.14 | Megamahi | oh crap, one line you need to modify, should of done it before i u/led it |
| 05:27.53 | Megamahi | actually like 2, but down line 82 - 83 |
| 05:28.22 | Megamahi | change the .mask to 0xFFFFFFFF |
| 05:28.41 | Megamahi | and the .data 0x20000000 |
| 05:28.56 | Megamahi | thatll turn it on |
| 05:30.15 | jbevren | where's ibmg.h? |
| 05:30.18 | jbevren | hehe |
| 05:30.19 | Megamahi | actually, just set the .data to 0xFFFFFFFF, thatll set everything to drive, then just flip the bit using the command args |
| 05:30.26 | Megamahi | comment it out it isnt needed |
| 05:30.29 | Megamahi | grr |
| 05:30.37 | Megamahi | should just change the file here and have you re get it |
| 05:30.48 | jbevren | yeah, do that ` |
| 05:30.55 | jbevren | if you can, include the two header files too |
| 05:31.03 | jbevren | ibm_ocp_gpio.h and ibmg.h |
| 05:31.05 | Megamahi | which ones are missing |
| 05:31.07 | Megamahi | ok |
| 05:31.23 | jbevren | change #include lines from <> to "" |
| 05:31.27 | jbevren | hehe |
| 05:31.40 | Megamahi | ibm_ocp_gpio.h is the one that is in the kernel source |
| 05:31.55 | Megamahi | so you should have that |
| 05:31.56 | jbevren | its not in the deb ppc kernel headers heh |
| 05:32.10 | Megamahi | ya its denx specific |
| 05:32.14 | jbevren | nod. scp'ing |
| 05:32.31 | Megamahi | there is no driver for any gpio in a vanilla kernel |
| 05:32.44 | Megamahi | well 40x gpios |
| 05:32.45 | jbevren | ah |
| 05:32.51 | jbevren | so you should include both in the tarball heh |
| 05:33.05 | jbevren | JIC its needed by lazy bums like me |
| 05:36.57 | Megamahi | ok this should be fine now |
| 05:37.11 | Megamahi | http://dht405.imahi.net/gpio.h |
| 05:37.15 | Megamahi | GAH |
| 05:37.18 | Megamahi | http://dht405.imahi.net/gpio.c * |
| 05:37.38 | jbevren | gpio.c: In function `main': |
| 05:37.38 | jbevren | gpio.c:36: error: syntax error before "int" |
| 05:38.44 | Megamahi | looking |
| 05:39.09 | jbevren | the case entry below main() |
| 05:39.13 | jbevren | looks out of place |
| 05:39.18 | jbevren | I'm not a C expert, but it doesnt fit heh |
| 05:39.31 | Megamahi | ya i ravaged the useless code out of the thing |
| 05:39.56 | jbevren | oh I get the case switch |
| 05:39.57 | jbevren | anyway |
| 05:40.02 | Megamahi | it wasnt build to hit all the pins just a slect few |
| 05:40.48 | Megamahi | i hate it when im not in front of the compiler right now |
| 05:40.59 | Megamahi | its that // comment in the way by any chance? |
| 05:41.08 | jbevren | hmm |
| 05:41.13 | Megamahi | just some stupid gcc thing? |
| 05:41.54 | jbevren | 36 is 'int bit' |
| 05:42.06 | jbevren | at a later point, it claims bit isnt declared |
| 05:42.06 | Megamahi | ya |
| 05:42.34 | Megamahi | take the 2 declarations the int and char stick them above the switch |
| 05:43.02 | Megamahi | im pretty sure thats what it wants |
| 05:44.32 | jbevren | moved them to line21 |
| 05:44.36 | jbevren | it compiles now |
| 05:44.39 | Megamahi | ya |
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| 05:45.00 | Megamahi | not sure why, but it hates where they are |
| 05:45.10 | jbevren | whats the major/minor for gpio? |
| 05:45.38 | Megamahi | for the one your using, im not sure, i had used devfs in 2.4 |
| 05:45.48 | Megamahi | let me dig in the code see if i can find it |
| 05:45.51 | jbevren | devfs will have the same :) |
| 05:46.23 | jbevren | GPIO #0 at 0xc500d700 |
| 05:46.24 | jbevren | yep |
| 05:46.36 | Megamahi | eh? |
| 05:46.41 | Megamahi | 500d700?? |
| 05:46.44 | jbevren | nod |
| 05:47.05 | Megamahi | should be ef600700 |
| 05:47.07 | jbevren | IBM gpio driver version 07.25.02 |
| 05:47.08 | jbevren | GPIO #0 at 0xc500d700 |
| 05:47.10 | jbevren | so quoth the kernel |
| 05:47.13 | Megamahi | atleast thats what the datasheet says |
| 05:47.20 | Megamahi | hmm |
| 05:47.38 | Megamahi | odd, well if it works it work |
| 05:47.38 | Megamahi | s |
| 05:47.42 | jbevren | hehe |
| 05:47.47 | jbevren | it might be relocatable too |
| 05:51.43 | Megamahi | ok well more tomarrow i need to be up in 4 hours, brevan if oyu dont figure it out or if it isnt working let me know. |
| 05:52.15 | Megamahi | ill get the wiki updated with the 2.6.16 patch tomarrow im toally beat, 5AM isnt a good time for me -_- |
| 05:52.35 | jbevren | #define GPIO_MINOR 185 |
| 05:52.39 | jbevren | anyone know the major? heh |
| 05:52.52 | Megamahi | misc chars i think have a 10 |
| 05:53.24 | jbevren | lol froze it |
| 05:53.26 | jbevren | no panic |
| 05:53.27 | jbevren | nada |
| 05:53.30 | jbevren | we'll mess with it later |
| 05:53.37 | jbevren | apparently some bits control vital stuff :) |
| 05:53.45 | Megamahi | its a DHT right? if so it should be on ef600700 |
| 05:53.58 | jbevren | the gpio driver finds it there |
| 05:54.02 | jbevren | I dont ask questions, I just build and boot :) |
| 05:54.09 | Megamahi | no matter how much ram i stuff in the thing its allways there |
| 05:54.10 | jbevren | anyhow |
| 05:54.10 | Megamahi | lol |
| 05:54.15 | jbevren | I need sleep too |
| 05:54.17 | jbevren | night :) |
| 05:54.24 | Megamahi | cya |
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| 19:27.49 | J4k3 | I suck at teh kernel :| |
| 19:30.14 | jbevren | using the denx tree? |
| 19:36.10 | jbevren | why not han? |
| 19:36.11 | jbevren | er |
| 19:36.15 | jbevren | wrong window |
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