powerpc/pci: Fix IMMRBAR address
For PEXCSRBAR, bit 3-0 indicate prefetchable and address type.
So when getting base address, these bits should be masked,
otherwise we may get incorrect base address.
Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index a625dcf..8cdd344 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -868,6 +868,14 @@
pci_bus_read_config_dword(hose->bus,
PCI_DEVFN(0, 0), PCI_BASE_ADDRESS_0, &base);
+
+ /*
+ * For PEXCSRBAR, bit 3-0 indicate prefetchable and
+ * address type. So when getting base address, these
+ * bits should be masked
+ */
+ base &= PCI_BASE_ADDRESS_MEM_MASK;
+
return base;
}
#endif
