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| Jookia | i looked at the pinebook pro and it seems good. even has uart over audio! not open hardware though, but it seems good enough for most people | 22:37 |
|---|---|---|
| mntmn | so i can stop ripping my hair out with lpddr4 timing? ;) | 22:38 |
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| Jookia | yeah :v | 22:40 |
| Jookia | but maybe rip your hair out over the uart over audio because that's actually really cool | 22:40 |
| Jookia | though it does require a different cable so maybe not so cool | 22:41 |
| + kaleun (~kaleun@2001-48F8-9015-158C-0-0-0-3-dynamic.midco.net) | 22:41 | |
| mntmn | Jookia: for context: i’m trying to bring up imx8m module with 4gb ram and mainline u-boot | 22:43 |
| swivel | is uart over audio a hardware thing or just cable + driver? | 22:43 |
| mntmn | have never heard about it tbh | 22:45 |
| koz_ | Might be worth asking the Pinefolks. | 22:46 |
| koz_ | Since it's news to me too. | 22:46 |
| Jookia | mntmn: yeah i'm not sure how mainline the pine stuff is | 22:53 |
| Jookia | swivel: koz_: the uart over audio is something i've actually seen on the wetek play (openelec edition?) they ship with an audio jack to serial port (yes, one you'd plug in to a 90s PC) | 22:54 |
| Jookia | it makes sense since the audio jack has GND/L/R connections so that could be made to GND/TX/RX | 22:55 |
| Jookia | i guess the question i get from the pinebook pro is if the kernel probes the audio driver do i lose serial access? ;) | 22:55 |
| swivel | i've used an audio jack as an oscilloscope w/xoscope in the past, what I'm curious about is if there's any additional internal hardware or if it's just the cable and driver/software suggesting that any audio interface can do the same hting | 22:55 |
| Jookia | i think it might just be an electrical thing + custom cable | 22:55 |
| Jookia | with the jack as the physical connection | 22:56 |
| Jookia | i might pull up the pinebook pro schematics and look in a sec | 22:56 |
| Jookia | oh it explains here: https://wiki.pine64.org/index.php/Pinebook_Pro_Main_Page#Using_the_UART | 22:57 |
| swivel | does anyone here have a pinebook? | 22:58 |
| mntmn | ok just booted with 4GB RAM for the first time on reform2. with boundary device's u-boot fork. so there's some little magical thing left in there that my mainline u-boot doesn't have. | 23:04 |
| mntmn | but most importantly: it works | 23:04 |
| Jookia | mntmn: woo! | 23:04 |
| mntmn | i already spent around 15 hours comparing their branch and the master. i thought i combed through everything, but still must have missed something. | 23:04 |
| mntmn | not sure how important it is to have mainline u-boot though. it just boots. | 23:05 |
| mntmn | neofetch shot https://twitter.com/mntmn/status/1203436292501114880?s=20 | 23:09 |
| mntmn | non-birdsite link https://mastodon.social/@mntmn/103268783456314422 | 23:09 |
| + erlehmann (~erlehmann@46.114.39.42) | 23:33 | |
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