diff --git a/sys/powerpc/mpc85xx/pci_mpc85xx.c b/sys/powerpc/mpc85xx/pci_mpc85xx.c
--- a/sys/powerpc/mpc85xx/pci_mpc85xx.c
+++ b/sys/powerpc/mpc85xx/pci_mpc85xx.c
@@ -138,7 +138,8 @@
 
 #define	DEVFN(b, s, f)	((b << 16) | (s << 8) | f)
 
-#define	FSL_NUM_MSIS		256	/* 8 registers of 32 bits (8 hardware IRQs) */
+#define	FSL_NUM_MSIS	256	/* 8 registers of 32 bits (8 hardware IRQs) */
+#define	PCI_SLOT_FIRST	0x1	/* used to be 0x11 but qemu-ppce500 starts from 0x1 */
 
 struct fsl_pcib_softc {
 	struct ofw_pci_softc pci_sc;
@@ -552,7 +553,8 @@
 	struct fsl_pcib_softc *sc = device_get_softc(dev);
 	u_int devfn;
 
-	if (bus == sc->sc_busnr && !sc->sc_pcie && slot < 10)
+	if (bus == sc->sc_busnr && !sc->sc_pcie &&
+	    slot < PCI_SLOT_FIRST)
 		return (~0);
 	devfn = DEVFN(bus, slot, func);
 
@@ -565,7 +567,8 @@
 {
 	struct fsl_pcib_softc *sc = device_get_softc(dev);
 
-	if (bus == sc->sc_busnr && !sc->sc_pcie && slot < 10)
+	if (bus == sc->sc_busnr && !sc->sc_pcie &&
+	    slot < PCI_SLOT_FIRST)
 		return;
 	fsl_pcib_cfgwrite(sc, bus, slot, func, reg, val, bytes);
 }