IO MWAIT redirection is disabled, which means reads to the P_LVL2 and
P_LVL3 "registers" will never produce any C-state transition requests.
Moreover, the register resource descriptors for all reported C-states
use the FFixedHW address space, not I/O.
Change-Id: I026835dd24d7ac1e1bae2d851e011e1670abaad4
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55215
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
6e7f9d6824