powerpc/powernv/ioda2: Add 256M IOMMU page size to the default POWER8 case

The sketchy bypass uses 256M pages so add this page size as well.

This should cause no behavioral change but will be used later.

Fixes: 477afd6ea6 "powerpc/ioda: Use ibm,supported-tce-sizes for IOMMU page size mask"
Signed-off-by: Alexey Kardashevskiy <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 94ec58c3f5f2efaa23feca51e0ab93c7e075bd0b..e7f2bee89fddddce8718ee11042a68cf4ec4caae 100644 (file)
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2925,7 +2925,7 @@ static unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb)
                /* Add 16M for POWER8 by default */
                if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
                                !cpu_has_feature(CPU_FTR_ARCH_300))
-                       mask |= SZ_16M;
+                       mask |= SZ_16M | SZ_256M;
                return mask;
        }