erebion/coreboot
Watch
1
0
Fork
You've already forked coreboot
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

device: Make a note that SeaBIOS doesn't support above 4G MMIO

Browse source 
This is fairly intuitive upon thinking about it, SeaBIOS has neither
long mode nor PAE page tables, but make it obvious to developers,
and let users know this.

Change-Id: I769c1bdb9d7ea78d56455d125adf3d9bf07a1211
Signed-off-by: Benjamin Doron <benjamin.doron@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88453
Reviewed-by: Maximilian Brune <maximilian.brune@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Benjamin Doron 2025-07-16 14:11:59 -04:00 • committed by Matt DeVillier
commit c5613469ae
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/device/Kconfig
View file

@ -1015,7 +1015,7 @@ config ALWAYS_ALLOW_ABOVE_4G_ALLOCATION
Required for modern graphics cards that support resizable BAR, such as
Intel Arc or AMD RX series.
Please keep in mind that not all payloads support it
(i.e: LinuxBoot and EDK2 do, GRUB doesn't).
(i.e: LinuxBoot and EDK2 do, SeaBIOS and GRUB don't).
config XHCI_UTILS
def_bool n