The coreboot-common acpi_create_fadt writes a pointer to the FACS table
into both firmware_ctrl and x_firmware_ctl_l FADT fields and sets
x_firmware_ctl_h to zero. When x_firmware_ctl_[l,h] is non-zero, the
pointer in firmware_ctrl will be ignored, but that's what is already
done on Cezanne and newer.
TEST=Linux doesn't complain about any new ACPI problem on Mandolin.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ib9eab4dcf828f28a60c6312ec96872aac4cfb266
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73190
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>