[coreboot] Re: Graphics Initialization

[Senthil Kumar G via coreboot]

 Hi,
I have added the wrong VBT file. Corrected it and display is coming.
Is there any way to configure all uart of the processor. I am getting only one 
serial controller in list of lspci. Coffeelake has three uart ports but only 
one is getting listed.
Thanks for the support.

rgds,gsen

    On Friday, 4 October, 2019, 12:18:49 pm IST, Senthil Kumar G via coreboot 
<coreboot@coreboot.org> wrote:  
 
  Hi,
I have added the VBT in the coreboot.
CONFIG_INTEL_GMA_VBT_FILE="3rdparty/blobs/mainboard/intel/cflrvp/VbtCfl_h.bin"
    On Friday, 4 October, 2019, 11:26:19 am IST, Matt DeVillier 
<matt.devill...@gmail.com> wrote:  
 
 FSP can't initialize the graphics device without a valid VBT being loaded. Are 
you supplying that and setting the associated options in your config? 
On Fri, Oct 4, 2019, 12:32 AM Senthil Kumar G via coreboot 
<coreboot@coreboot.org> wrote:

Hi,
We are developing coreboot along with UEFI shell payload for Coffelake 
architecture. We are using the processor integrated graphics controller for 
display.

I am getting the following error on porting the coreboot.
Grahics hand-off block not found.FSP did not return a valid framebuffer.
I checked internal graphics is enabled in FSP and graphics memory is set to 32 
MB. Also applied a patch found in coreboot mailing list on device tree and gpio 
files for Intel graphics.
Whether Coreboot can print any messages on the display (other than console). 

Coreboot came up and I got the shell prompt on Uart Console. The same shell 
prompt has to come on the display (monitor) but not displayed.  I suspect some 
graphics initialization problem.

Regards,gsen.






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