Hello, Nico. Yes, now I'm using VGA port. Yes, we'll commit our changes, but after we'll end port. S3 isn't working now, and we have some troubles with Super I/O, but we already did this work with b75-port.
2017-07-29 22:06 GMT+03:00 Nico Huber <[email protected]>: > Hi Konstantin, > > On 29.07.2017 06:57, Konstantin Novikov wrote: > > Hello again, coreboot community! > > > > Thanks a lot Zoran Stojsavljevic and Nico Huber for their help and > answers. > > You're lead us in "GFX-way", so it was a right direction. > > At first, we're added our PCI id in two structures (map_oprom_vendev and > > pci_device_ids) in northbridge/intel/haswell/gma.c. But after this we're > > see only black screen on display, no any BIOS/Linux output. > > gma_setup_panel(dev) > > - this function was critical for us. > > > > gtt_write(DDI_BUF_CTL_A, DDI_BUF_IS_IDLE | DDI_A_4_LANES | > > DDI_INIT_DISPLAY_DETECTED); > > good catch! I suppose you are using an analog VGA port then? > > Are you going to submit a patch? We might want to add a devicetree > setting for this in `haswell/chip.h`. I could have a look at it too if > you want. > > Nico > > > Without DDI_A_4_LANES in this row we saw the Linux Ubuntu output (without > > any errors) and logging screen. After trying to use some VGA BIOS we're > see > > BIOS output and bootsplash too. Linux Ubuntu works correct, fully > > reinstalled and loaded. > > > > Again, thanks Nico and Zoran (от всей души) for help. Coreboot community > > are awesome. > > > > Konstantin Novikov. > > >
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