Eric Auger <eric.au...@redhat.com> writes:
> At the moment the IO space limit is hardcoded to > QPCI_PIO_LIMIT = 0x10000. When accesses are performed to a bar, > the base address of this latter is compared against the limit > to decide whether we perform an IO or a memory access. > > On ARM, we cannot keep this PIO limit as the arm-virt machine > uses [0x3eff0000, 0x3f000000 ] for the IO space map and we > are mandated to allocate at 0x0. > > Add a new flag in QPCIBar indicating whether it is an IO bar > or a memory bar. This flag is set on QPCIBar allocation and > provisionned based on the BAR configuration. Then the new flag > is used in access functions and in iomap() function. > > Signed-off-by: Eric Auger <eric.au...@redhat.com> > Reviewed-by: Thomas Huth <th...@redhat.com> Reviewed-by: Alex Bennée <alex.ben...@linaro.org> -- Alex Bennée
