Thanks Hellsenberg in IRC chat. This resolves the issue and VGA lights now
$ diff ../core2/src/mainboard/asus/p8h61-m_pro/Kconfig
< select NORTHBRIDGE_INTEL_IVYBRIDGE
$ make olddefconfig && make
On 17/03/2019 17:35, Simon Newton wrote:
> Hi folks,
> For some reason, gfx wont init on Sandybridge P8H61-M PRO with
> i5-2500T on coreboot 4.9
> Following a recommendation from Icon in coreboot IRC chat, the
> following debug was added to check the value of reg16
> diff ../core2/src/northbridge/intel/sandybridge/early_init.c
> > printk(BIOS_DEBUG, "%lx\n", (long)reg16);
> The serial log shows
> coreboot-4.9-1050-gebd8a4f90c-dirty Sat Mar 16 16:22:16 UTC 2019
> romstage starting (log level: 7)...
> Setting up static southbridge registers... done.
> Disabling Watchdog reboot... done.
> Setting up static northbridge registers... done.
> Graphics not supported by this CPU/chipset.
> Back from sandybridge_early_initialization()
> lspci with manufacturers BIOS and linux shows the display controller
> at 00:02.0 as 8086:0102 . There are no other display controllers
> connected to the system.
> Build log, defconfig, flash log and boot log are attached
> Any pointers are greatly appreciated!