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mithro | futarisWeb: so, were are we at with Linux porting? | 01:26 |
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futarisWeb | Sorry, I haven't had the chance to write the serial driver yet. I need to fix up the device tree first. | 01:27 |
mithro | Can you link me the device tree again? | 01:27 |
futarisWeb | Are we going to need a bootloader on the real hardware? | 01:27 |
mithro | The BIOS configures / trains the DDR | 01:28 |
futarisWeb | https://github.com/torvalds/linux/blob/master/arch/openrisc/boot/dts/or1ksim.dts | 01:28 |
tpb | Title: linux/or1ksim.dts at master · torvalds/linux · GitHub (at github.com) | 01:28 |
mithro | What does "reg = <0x00000000 0x02000000>;" mean? | 01:29 |
futarisWeb | Address and length of the register area. | 01:36 |
futarisWeb | https://events.linuxfoundation.org/sites/events/files/slides/petazzoni-device-tree-dummies.pdf | 01:37 |
futarisWeb | http://elinux.org/Device_Tree_Usage | 01:37 |
tpb | Title: Device Tree Usage - eLinux.org (at elinux.org) | 01:37 |
mithro | futarisWeb: Thanks! | 01:57 |
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mithro | futarisWeb: I think I met that guy at LCA this year | 03:59 |
futarisWeb | Free Electrons has been writing documentation for Embedded Linux for around 15 years now I think. | 04:00 |
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sam____ | having some issues using the built firmware | 19:09 |
sam____ | following this: https://github.com/timvideos/HDMI2USB-litex-firmware/blob/master/getting-started.md | 19:09 |
tpb | Title: HDMI2USB-litex-firmware/getting-started.md at master · timvideos/HDMI2USB-litex-firmware · GitHub (at github.com) | 19:09 |
sam____ | looks to build fine and program but device isnt putting out any video | 19:10 |
CarlFK | sam____: can you connect a term to the serial port (over usb) | 19:13 |
sam____ | nope | 19:13 |
sam____ | after programming the USB remains in jtag mode | 19:13 |
CarlFK | are you planning on working on the firmware, or just using the device ? | 19:14 |
sam____ | there are a couple of steps that do not work in the getting-started.md | 19:14 |
sam____ | I would like to make some changes to the firmware | 19:14 |
CarlFK | cool | 19:14 |
sam____ | flashing the prebuilt does work fine | 19:14 |
sam____ | to build I am using the following commands | 19:15 |
sam____ | : | 19:15 |
CarlFK | steps that do not work - like what? | 19:15 |
sam____ | make gateware | 19:15 |
sam____ | works fine | 19:15 |
sam____ | make gateware-load appears to work fine | 19:15 |
sam____ | make connect-lm32 doesnt work | 19:15 |
sam____ | no make target | 19:15 |
sam____ | make load-fx2 also does not have make target | 19:16 |
sam____ | are there any logs you would like to take a look at? | 19:17 |
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CarlFK | make connect-lm32 doesnt work | 19:22 |
CarlFK | that seems to be the problem... and seems correct from my skimming | 19:22 |
sam____ | hmm | 19:24 |
sam____ | also, currently the PLATFORM=opsis and TARGET=video | 19:24 |
sam____ | should TARGET be hdmi2usb instead? | 19:24 |
CarlFK | mithro may be around in 2 or 3 hours. I'd wait for him | 19:25 |
sam____ | ok | 19:25 |
CarlFK | don't know - I am just a user | 19:25 |
sam____ | ok | 19:26 |
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mithro | sam__: looks like the docs need updating | 22:37 |
mithro | try 'make firmware-connect' | 22:37 |
mithro | But after doing a 'make gateware-load' the opsis should disconnect from the USB and reconnect | 22:39 |
mithro | You do need the hdmi2usb target if you want to do video capture | 22:40 |
mithro | The video target just does video input and output | 22:40 |
mithro | sam__: oh! | 22:41 |
mithro | The firmware is loaded via serial, tftp or from flash these days (is not embedded in the gateware like it use to be) | 22:42 |
mithro | sam__: which pre-built firmware are you flashing? | 22:43 |
mithro | sam__: it's awesome that you have gotten as things this far | 22:45 |
mithro | If you wouldn't mind, could you help give us feedback on improving the docs | 22:46 |
mithro | https://github.com/timvideos/HDMI2USB-litex-firmware/issues/319 | 22:55 |
tpb | Title: Update docs about the fact that firmware needs to be loaded · Issue #319 · timvideos/HDMI2USB-litex-firmware · GitHub (at github.com) | 22:55 |
mithro | https://github.com/timvideos/HDMI2USB-litex-firmware/issues/320 | 22:55 |
tpb | Title: Fix flashing firmware on opsis/atlys · Issue #320 · timvideos/HDMI2USB-litex-firmware · GitHub (at github.com) | 22:55 |
mithro | sam__: about to go into a meeting will be back in a couple of hours | 22:56 |
mithro | I logged those bugs to remind me to fix that part of the docs | 22:56 |
mithro | CarlFK: I've got a bug you can help with https://github.com/timvideos/HDMI2USB-litex-firmware/issues/321 | 23:03 |
CarlFK | mithro: I took a look. um.. ok. but have to run to ps1 for a few hours | 23:07 |
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