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02:18.05 | Turl | there's an article on hackaday about inductive charging on a Gemei tablet |
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03:02.16 | Boulet | there's something weird going on with mksunxiboot |
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06:02.02 | Boulet | mksunxiboot does not work as soon as file is >512 bytes |
06:02.14 | Boulet | just added a nop to prove it |
06:17.57 | Turl | Boulet: well isn't the boot space 512 bytes? |
06:19.00 | Boulet | it should be almost the size of the sram 48kb |
06:19.14 | Boulet | however mksunxiboot limit it to 24KB (and i have a boot0 here that is 24kb) |
06:19.47 | Boulet | brom needs some sram for the stack and buffers (like when reading a sector) |
06:22.05 | Boulet | gosh i don't want to disassemble brom and try to find out what's wrong :( |
06:23.13 | Turl | :( |
06:23.50 | Boulet | but i think hno and rayman can generate a proper boot0, hopefully they have some answers ! |
06:24.31 | Boulet | or maybe they did not generate it and it is just a dump of nand :( |
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06:33.17 | Turl | good night all |
06:36.31 | Boulet | bye bye |
06:37.40 | furan | do we have a brom dump? |
06:37.44 | furan | i'd love to look at that |
06:40.10 | Boulet | for a10 yes |
06:40.17 | Boulet | (disassembled) |
06:40.22 | Boulet | for a13 we have but not disassembled |
06:40.51 | Boulet | ok i have mkunxiboot working on a13 now :) just had to add some version numbers to the header |
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07:54.46 | Boulet | graaaaaaaah that thing still does not work |
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09:44.21 | hno | Boulet, the key to what's wrong is in boot0, not BROM. |
09:46.50 | hno | disassembly of BROM is mostly interesting to itendify how to easily do USB device mode (FEL), SD, NAND accesses in a simple manner. We know very little about those controllers. |
09:48.13 | hno | furan, https://github.com/hno/Allwinner-Info/tree/master/A13/BROM |
09:48.34 | hno | furan, what do you want to look at in BROM? |
09:49.45 | hno | Boulet, what was missing in mksunixboot? |
09:51.43 | Boulet | hno i totally agree |
09:51.59 | Boulet | hno, i think my problem was something else, sorry |
09:52.59 | Boulet | just missing some version number that is probably useless |
10:12.45 | hno | Boulet, remember that the code is loaded at 0x0030, not 0x0000. mksunixboot adds a header infront. |
10:16.42 | Boulet | oh |
10:17.26 | hno | in most ARM code you don't notice as it's position indepent. |
10:18.10 | hno | Boulet, what are you working on? |
10:21.06 | Boulet | for some reason, i had a problem to burn the file with my FAT16 formatted SD card !!!! |
10:21.16 | Boulet | now that it is fat32, it works !!!! d'oh !!! |
10:21.27 | Boulet | weirdness |
10:22.12 | Boulet | hno, toying around with that chip :) |
10:22.19 | Boulet | no linux involved |
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10:37.53 | hno | Boulet, raw boot code at 8K offset? |
10:38.20 | hno | never seen that dependent on any partitioning or filesystem format. |
10:38.22 | Boulet | yeah i have some weird issues with my SD card, some sectors are not being written |
10:38.44 | hno | Boulet, are you remembering to eject the card before removing it from your card reader? |
10:39.26 | hno | dd if=... of=/dev/sdX bs=1024 seek=8 |
10:39.28 | RaYmAn | it can also cause fun issues occasionally, if you have any partitions on the card mounted when you do the dd (peculiar, but it can) |
10:39.43 | hno | eject /dev/sdX |
10:39.46 | hno | both as root. |
10:40.17 | Boulet | ok |
10:40.29 | hno | RaYmAn, yes, eject only works if those can be automatically umounted. |
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13:54.54 | hno | Boulet, put boot0 files is dumps from nand, as that is the only place where actual parameters can be found, configured by livesuit while flashing. |
13:56.17 | hno | earlier the parameters was set in the fex and reflected in script.bin, but for a13 they made livesuit autodetect many things. |
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13:58.28 | hno | but i do doubt the validity of some of it's probed parameters. |
14:01.44 | Boulet | yeah, my stuff's working now |
14:02.03 | Boulet | i did some bad things with my SD card i think ahahahha |
14:02.06 | Boulet | now it's fine |
14:03.36 | Boulet | i might go say hi to the allwinner guys since they are not too far from me :) |
14:12.40 | hno | Boulet, yes, go visit Tom. |
14:13.01 | Boulet | yeah, that's the plan |
14:14.30 | RaYmAn | break in & steal & leak all the secret sauce ;) |
14:14.44 | Boulet | yeah, that's the plan |
14:14.55 | Boulet | haha |
14:15.32 | Boulet | actually i am not sure what to talk about yet, just meeting them would be neat |
14:29.34 | hno | No stolen sauce please. Can't deal with such poison. |
14:30.05 | RaYmAn | it was a joke obviously ;) |
14:30.10 | Boulet | obviously :) |
14:30.26 | hno | I know. |
14:30.40 | hno | but it's still a fact. |
14:30.41 | Boulet | and i don't want to be deported ! |
14:45.26 | Boulet | ok, time to go partying ... :) bye ! |
14:50.12 | popolon | http://www.openstreetmap.org/?lat=22.374182&lon=113.568151&zoom=18&layers=M <= if needed ;) |
14:51.33 | popolon | the real-life URL of AllWinner |
14:52.24 | techn | https://github.com/amery/linux-allwinner/pull/66 |
14:53.44 | specing | They are in the software park, hahahahaahahah |
14:59.33 | popolon | their adress in on their website :) |
14:59.41 | popolon | and some picture of the buildings |
14:59.52 | popolon | => I deducted that was here and added on OSM |
15:06.43 | popolon | Not sure about the limits of the complex, the 2 sports pitch at left are for basketball represented in their picture, probably on allwinner or software park land |
15:07.19 | specing | corporate sports? |
15:07.30 | specing | unbelievable in China! |
15:08.16 | popolon | there are sports pitch everywhere in china |
15:08.30 | popolon | school, corporates, university |
15:09.09 | popolon | in university there are 15 or 20 tennis cluster |
15:09.12 | popolon | same for basket |
15:11.19 | specing | 0.o |
15:11.23 | popolon | http://www.allwinnertech.com/image/awt/introduction.jpg |
15:12.55 | popolon | medium city like Zhuhai (where allwinner is) ~10 millions people city, have at least 50 football (soccer) stadiums :D |
15:13.33 | popolon | http://binged.it/R8INAy |
15:13.54 | popolon | The Zhuhai campus of university of Beijing, just at west of Allwinner :)) |
15:14.24 | popolon | 18 basket pitchs + 16 tennis pitch |
15:15.57 | popolon | http://binged.it/Qbgr3Q <= another campus at south of the city , the white blocs at south-east are baskets pitchs too :) |
15:16.16 | popolon | there is 5 or 6 campus in this city |
15:21.53 | popolon | and in chinese gardens, every soon at morning until late the evening there are lot of people doing taijiquan (taichi), dancing, or practising sports and music |
15:22.40 | popolon | or traditionnal chinese games like go, chinese chess, mahjong or chinese chess |
15:35.21 | Turl | if anyone was considering buying an "AK802" or arduino, see DX http://e.dx.com/albums/201208/practical-gadgets/default.html?utm_source=dx&utm_medium=edm&utm_campaign=20120817&r=90000447 |
15:35.27 | Turl | 59.89$ for the AK802 |
15:42.28 | Turl | apparently it's pretty much the MK802 but with 1G RAM |
15:42.48 | RaYmAn | ak802 and mk802 was used interchangably when it came out as well |
15:42.58 | RaYmAn | 1gb ram is mk802 or ak802 as well. |
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15:58.22 | hno | RaYmAn, mk802 was 512 when it came out. |
15:59.17 | RaYmAn | hno: I bought my mk802 a few weeks after it came out afaik. it was 1gb. |
15:59.47 | RaYmAn | I'm well aware both versions exist, but mk802 == ak802 in any case ;) |
16:02.17 | hno | RaYmAn, are you sure? I had the impression the 1GB model was almost a month after launch. |
16:02.41 | RaYmAn | not entirely sure when exactly the 512mb came out |
16:07.38 | RITRedbeard | still messing with my mk802 |
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16:34.27 | popolon | mk802 II has 1 Go |
16:35.19 | popolon | still no bluetooth |
16:35.27 | orly_owl | Go? |
16:35.33 | popolon | oops |
16:35.35 | popolon | 1 GB |
16:35.39 | orly_owl | ah |
16:36.37 | popolon | AK802 has only 1 usb, MK802 has 1 USB + 2micro-USB |
16:38.28 | popolon | there is a version of AK802 with 512 MB too |
16:38.38 | hno | AK802 should have one mUSB as well. |
16:38.42 | popolon | I suppose that's the same product with different brands |
16:39.36 | RaYmAn | that's the thing. pretty much all companies claiming to have "made" mk802 or ak802 are just selling rebranded devices |
16:39.38 | hno | Rikomagic sells their stick OEM or with custom branding. |
16:40.00 | RaYmAn | Is it actually rikomagic that "makes" them or are they just resellers as well? |
16:40.11 | popolon | that's not clear |
16:40.17 | popolon | they also sell a smartbook |
16:40.30 | popolon | that is the same than the not branded H6 |
16:40.40 | popolon | (allwinner smartbook) |
16:41.07 | hno | All AK802 I have seen have HDMI, USB-host, uSD, mUSB. |
16:41.19 | hno | same as MK802 (not II) |
16:41.39 | popolon | http://www.cnx-software.com/2012/08/02/allwinner-a10-based-h6-android-4-0-netbook-sells-for-140/ |
16:42.44 | popolon | http://www.tgdaily.com/mobility-features/65259-this-rikomagic-arm-netbook-runs-android-linux |
16:42.51 | popolon | (rikomagic version :) |
16:43.26 | popolon | really thick for a smartbook :( |
16:43.48 | popolon | looks like eeepc :( |
16:44.52 | popolon | "Rikomagic says the device - which seems based on Panda’s ARM-powered $141 H6 netbook - will likely appeal to devs and modders, rather than mainstream consumers." |
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16:51.08 | popolon | http://www.yfgps.com/en/product.php?coid=712 <= they could be the producer of the arnova 13" tablet with allwinner A10 |
16:51.50 | popolon | http://www.yfgps.com/en/product.php?coid=726 |
16:51.52 | popolon | yes :) |
16:52.53 | popolon | they have 4 13" models |
16:53.13 | popolon | with really few changes ??? |
16:54.02 | hno | http://www.yfgps.com/en/product.php?coid=729 is that Allwinner A12? |
16:54.10 | hno | Or some other A12? |
16:54.55 | popolon | lot of typo erros on those chinese website :( |
16:55.11 | popolon | probably the webmaster even don't know a word of english |
16:56.03 | popolon | I make typo errors too :D |
16:56.21 | popolon | s/make/do/ |
16:59.39 | popolon | they will go at IFA Berlin |
17:01.47 | popolon | A12 is rockchip |
17:01.55 | popolon | http://www.aliexpress.com/store/group/A12-Rockchip-RK2918-ARM-Cortex-A8-IPTV-SET-TOP-BOX/702463_211247571.html |
17:02.33 | popolon | not really clear, could be the box name here ???? |
17:06.04 | hno | Hmm.. allwinner.com web site, is that an official one? It does have an old copy of the datasheet available in download, and allwinnertech marketing display on frontpage. |
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17:30.52 | popolon | Registrant: |
17:30.53 | popolon | BDD Group |
17:30.53 | popolon | <PROTECTED> |
17:30.53 | popolon | <PROTECTED> |
17:30.53 | popolon | <PROTECTED> |
17:30.53 | popolon | <PROTECTED> |
17:31.07 | popolon | for ammwinner.com |
17:32.03 | popolon | just network solution that registered this domain |
17:32.21 | popolon | Registrar: XIN NET TECHNOLOGY CORPORATION for allwinnertech.com |
17:32.53 | arokux_h | hno, would it be possible for A10 to load the kernel image over network with our U-Boot over tftp? seems to be practical. |
17:33.16 | popolon | if you click on the chinese flag, you are redirected to allwinnertech.com |
17:33.42 | arokux_h | one wouldn't need to copy the image to the sd card all the time. |
17:33.54 | RaYmAn | you can load over serial :P |
17:34.46 | RaYmAn | loading over network requires that u-boot supports the network chip in question - so it'd probably be *possible* to do with e.g. the built-in mac, but wireless would probably be a hell of a lot harder |
17:38.31 | arokux_h | RaYmAn, I do not have a serial cable.. |
17:39.05 | arokux_h | hm.. but I bet our U-Boot doesn't have ethernet driver right? |
17:39.12 | RaYmAn | Not afaik. |
17:39.21 | RaYmAn | you didn't ask if it was possible *right now* :P |
17:41.31 | arokux_h | RaYmAn, didn't get your last message |
17:45.51 | arokux_h | hm.. don't the ethernet controllers provide some basic genera interface to them? |
17:46.21 | arokux_h | smth. like VESA (if I remember this name correctly) for graphic adapters? |
17:46.33 | RaYmAn | VESA is really x86 only |
17:47.08 | jelly-home | nothing like a little 8086 and BIOS emulation to get a framebuffer initialized |
17:52.27 | penguin42 | arokux_h: There's no standard interface for ether cards; and no equivalent for any device on ARM, even graphics card |
17:53.00 | arokux_h | penguin42, I LOVE ARM |
17:53.12 | RaYmAn | penguin42: serial almost is ;) just $offset that's different :P |
17:53.39 | penguin42 | RaYmAn: are you sure? I mean the ones who just use AMBA modules sure, but there are many screwed up designs that don't |
17:53.56 | RaYmAn | I said almost :P |
17:54.48 | penguin42 | RaYmAn: It's like, OK, it's a serial port, there are only about 4 registers and yet they still manage to find a way to make it a bit different |
17:55.12 | RaYmAn | indeed |
17:56.07 | RaYmAn | low-speed serial seems to be vaguely standard across a lot of SoC's though :) |
18:12.05 | hno | arokux_h, if someone writes a wemac driver for u-boot yes. |
18:13.48 | hno | arokux_h, and no, there is no standard ethernet controller interface. Only the physical layer (what happens on the wire) is standardised. |
18:14.12 | hno | plus the protocols over it. |
18:14.33 | arokux_h | hno, well phys. layer should be standardized :) otherwise the other side won't understand anything. |
18:14.57 | popolon | this remember me the ethernet negociation problems on 10/100 HD/FD 10 years ago, depending on vendors ;) |
18:16.12 | hno | popolon, those are still there. |
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18:17.22 | hno | most people do not understand that hardcoding on one end requires you to hardcode both for proper operation. |
18:18.32 | netchip | 7 |
18:28.41 | popolon | hno : there is no reference to : Copyright © 2012 Allwinner Technology Co., Ltd. All Rights Reserved. 珠海全志科技股份有限公司 版权所有 on allwinner.com, like there is on allwinnertech.com |
18:28.49 | popolon | but there is a form for email |
18:29.28 | popolon | could be a honeypot |
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18:43.02 | furan | posted a tutorial on upgrading nand flash in a10 devices |
18:43.12 | furan | http://boards.dingoonity.org/android-devices/advanced-howto-upgrade-internal-nand-flash-on-any-device-%28up-to-64gb%29-%28advanced/ |
18:43.29 | furan | (I fixed the subject but the url is still inaccurate, it's just for a10/a13 devices) |
18:44.25 | Turl | furan: wiki? :D |
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18:54.56 | Turl | fuu more spam on wiki :< |
19:13.02 | Turl | went on a bot killing spree |
20:07.39 | hno | furan, nice job. But please post things like this on the wiki. |
20:08.10 | hno | especially your findings on the nand table entry contents. |
20:09.59 | hno | we hope to get rid of the proprietary bootloaders. |
20:10.23 | hno | but will likely need to use the Allwinner NAND driver for some time. |
20:19.51 | hno | that nand controller is "different". |
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20:56.25 | steev | furan: nicely done sir |
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22:09.31 | furan | thanks guys |
22:09.40 | furan | hno: yeah it's a mess |
22:34.05 | Marex | hno: heya! :) |
22:34.25 | Marex | hno: did you get time to check the upstream goo ? |
22:35.55 | hno | Marex, still fighting with DRAM setup on A13. in general. |
22:36.18 | Marex | hno: all righty, good luck then :) |
22:36.41 | hno | I hope to see some life from SPL in a minute. |
22:37.05 | hno | But no... |
22:38.16 | Marex | hno: SPL doesn't start for you at all ? |
22:39.04 | Marex | hno: if you have serial port, you can call "serial_init()" and "serial_puts()" to pump out some debugging symbols basically right after you have stack set up (after you leave start.S and execute C code) |
22:39.05 | hno | The DRAM controller never finishes it's initialization for some reason. |
22:39.17 | Marex | just remember you need CONFIG_SPL_SERIAL_SUPPORT in your include/configs/...h |
22:39.23 | Marex | hno: oh this |
22:39.43 | hno | Running it under gdb via JTAG |
22:40.46 | Marex | hno: might be a timing issue due to the single stepping ? |
22:40.51 | Marex | or maybe you break it somewhere ? |
22:41.17 | Marex | hno: I think I won't be much help really, I have only a very blurry idea about this particular chip |
22:41.26 | hno | Does not seem to be a timing issue. Hangs at same location without any breakpoints. |
22:41.40 | furan | hno what are you fighting? if the source is out, I guess I'm not sure what you're doing - are you writing new drivers for these things? |
22:41.49 | furan | it sounds cool though |
22:42.04 | hno | furan, source is not out for initial boot process on A13. |
22:42.41 | Marex | hno: why does it hang ? the core halts ? |
22:42.58 | Marex | hno: aren't you hitting some exception, like DABT due to accessing uninited memory ? |
22:43.13 | hno | It's a loop waiting for the dram controller to flip a bit saying it's ready. |
22:43.30 | hno | no memory accesses yet. |
22:43.54 | Marex | oh, then you're likely missing some configuration ... it's hard to tell without ref. sources or datasheet |
22:44.09 | Marex | you can maybe setup HW watchpoints and trace the original code that does the init though ? |
22:45.37 | furan | oic |
22:45.47 | Marex | furan: wat ? :) |
22:45.52 | furan | oh i see |
22:45.56 | furan | responding to hno :) |
22:46.17 | Marex | hydrogen nitrogen oxygen :p |
22:46.26 | furan | I have yet to use jtag to debug, not even sure what sw to use, even though I have dongles for it for fpga stuff |
22:46.35 | hno | HW watchpoints during original initialization process would be interesting. Need to try that. But currently matching register dumps to make sure I set up the registers right. |
22:47.03 | furan | is there a tutorial somewhere on doing jtag debuggiing? |
22:47.05 | Marex | hno: you usually need to write the registers in correct sequence |
22:47.08 | furan | debugging |
22:47.15 | Marex | furan: read up on OpenOCD ... that's cool |
22:47.24 | furan | ok |
22:47.33 | Marex | furan: for stuff like programming xscale chips, read up on openwince-jtag (now urjtag) |
22:47.56 | Marex | furan: when you want to go to next level, get abatron bdi3000 :p |
22:48.12 | Marex | furan: and then the only way up is probably the lauterbach one ;-D |
22:48.24 | Marex | puts off the drool |
22:48.54 | furan | haha ok |
22:49.26 | Marex | hno: another interesting thing you might want to try is qemulating the init code (in qemu) ... you can trap hardware accesses there really easily |
22:49.31 | furan | is there anything else usually on the jtag chain besides the cpu? |
22:49.38 | furan | on allwinner devices |
22:50.13 | Marex | furan: no idea about allwiener ... but there might be |
22:51.56 | hno | furan, no idea what's on the chain. Only know how to access the cpu. |
22:56.56 | Marex | hno: the JTAG is a bus, like any other ... and there can be multiple devices connected on it |
22:57.19 | Marex | hno: usually, there's only the CPU, alone, sad ... but there might be eg. an FPGA on the same JTAG bus |
22:57.50 | furan | well I was wondering if flash was on jtag but the jtag pads I've seen are right next to the cpu |
22:58.05 | furan | so perhaps not |
22:58.30 | penguin42 | don't you normally have to do evil things like wiggle the CPU pins over JTAG to do flash writes? |
22:58.32 | Marex | furan: that's not very likely |
22:58.38 | Marex | penguin42: yes |
22:58.40 | hno | There is no JTAG chaining to external components. But there is multiple CPUs within the chip. |
22:59.02 | furan | penguin42: no |
22:59.19 | Marex | hno: the multiple CPUs business in case of the armv7 is handled by that coresight goo arm has |
22:59.26 | furan | usually they're just on the jtag chain as independent devices (flash) |
22:59.43 | furan | I have a lot of fpga boards that are like that, fpga and flash in the same chain |
23:01.54 | hno | furan, I don't see any JTAG signals in the normal NAND pinout. |
23:02.42 | Marex | furan: I didn't see too many flash chips with JTAG pads ;-) |
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