| + B[] (~Thunderbi@219-89-228-78-adsl.sparkbb.co.nz) | 00:06 | |
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| skalk | mntmn: I wonder, did you ever build the arm-trusted-firmware binary on your own? | 15:04 |
|---|---|---|
| skalk | mntmn: when looking at the mkuboot script in you reform2 repo | 15:04 |
| skalk | mntmn: it seems you take the one added into u-boot by boundary devices | 15:05 |
| skalk | mntmn: I would like to be sure to reference the right sources that's why I'm asking | 15:05 |
| mntmn | skalk: yes, i did, but only when i tried the mainline u-boot i think | 15:05 |
| mntmn | skalk: i'll quickly check | 15:06 |
| skalk | mntmn: thank you! | 15:06 |
| mntmn | skalk: so it's using bl31-iMX8MQ.bin, which i think is directly from the boundary u-boot repo | 15:10 |
| mntmn | hm but they updated the file in the meantime, so i have a version from 2019-aug-16 in the repo. they updated it in march https://github.com/boundarydevices/u-boot-imx6/commits/boundary-v2018.07/bl31-iMX8MQ.bin | 15:13 |
| skalk | mntmn: I see, thank you | 15:13 |
| skalk | mntmn: I hit a somehow strange problem when playing with power management | 15:14 |
| mntmn | skalk: ah, what happened? | 15:14 |
| skalk | mntmn: I could see you Linux kernel version accesses pm devices directly | 15:14 |
| mntmn | skalk: ah, this should be the sources! https://github.com/boundarydevices/imx-atf?files=1 | 15:14 |
| skalk | ah cool | 15:14 |
| skalk | mntmn: when I do so in privileged kernel mode it's ok | 15:15 |
| skalk | mntmn: when I do it in a platform driver component in userland, I get a bus error | 15:15 |
| mntmn | hmm | 15:16 |
| skalk | mntmn: but all TrustZone-aware security devices I know of, allow all accesses | 15:16 |
| skalk | mntmn: also for userland | 15:16 |
| skalk | mntmn: that's why I thought I have a look at the ATF | 15:16 |
| skalk | mntmn: because freescale kernels seem to use the ATF for power management | 15:17 |
| + midfavila (~midfavila@2607:fea8:e920:5f00::df85) | 15:17 | |
| mntmn | skalk: yep, but they don't do so much in ATF, or? i didn't really look in depth but the source seems kind of small | 15:17 |
| skalk | mntmn: yeah, well it seems they have an API for powering aside the cpu cores | 15:18 |
| skalk | but I'm just starting to read the code, and wanted to take "the rigth ones" | 15:18 |
| skalk | and clocking as well | 15:19 |
| mntmn | ah, here's the interesting stuff, indeed https://github.com/boundarydevices/imx-atf/tree/boundary-imx_4.14.98_2.3.0/plat/imx/imx8mq | 15:20 |
| + adjtm (~adjtm@185.124.31.143) | 16:03 | |
| - rez_ (QUIT: Quit: leaving) (foobar@poulet.zoy.org) | 16:32 | |
| - csprng (QUIT: Ping timeout: 246 seconds) (~sprang@h72-35-139-237.bendor.broadband.dynamic.tds.net) | 16:48 | |
| + csprng (~sprang@h72-35-139-237.bendor.broadband.dynamic.tds.net) | 16:50 | |
| contrapunctus | mntmn: hey from #emacs 🙂 | 17:18 |
| mntmn | contrapunctus: hey hey! maybe i should rejoin #emacs, i recently switched from irccloud to weechat/glowing bear and missing some channels still ;) | 17:19 |
| contrapunctus | mntmn: heh. It's great to see Reform coming along on Mastodon. I had a question that's been eating me for a while...since the $999+120 DIY kit is pricier than I can afford anytime soon, is there some way one could pay in EMIs? 🤔 | 17:21 |
| mntmn | what is an EMI? | 17:22 |
| + ddevault_ (znc@173.195.146.141) | 17:25 | |
| - ddevault (QUIT: Read error: Connection reset by peer) (znc@sourcehut/staff/ddevault) | 17:25 | |
| - ddevault_ (QUIT: Changing host) (znc@173.195.146.141) | 17:27 | |
| + ddevault_ (znc@sourcehut/staff/ddevault) | 17:27 | |
| * ddevault_ -> ddevault | 17:27 | |
| contrapunctus | mntmn: uhm, 'easy (?) monthly installments' | 17:32 |
| mntmn | contrapunctus: maybe we can offer financing later but i have no experience with such services yet. | 17:33 |
| contrapunctus | That'd be great, my own laptop is dying and I'd much rather give my money to MNT than anywhere else. | 17:35 |
| contrapunctus | Thanks for considering it. | 17:35 |
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