tree f70b282ff2484a47662bb330cf7ccd9f0fa5e23c
parent 4055470b6fa13b1e2dcae2800ee7e72f76d85919
author Barret Rhoden <brho@cs.berkeley.edu> 1571945002 -0400
committer Barret Rhoden <brho@cs.berkeley.edu> 1583266409 -0500

pci: add a helper to detect 32 bit BARs

Not sure if the AHCI driver actually needed this or if it was just
cruft.

This commit cleans up PCI a little, in that no one refers to the
mmio_base or size fields directly.

Signed-off-by: Barret Rhoden <brho@cs.berkeley.edu>