change _pci_nbus=0 by default.

Targets/Bonito2edev/conf/Bonito

@@ -135,7 +135,7 @@ pci*		at pcibr?
 #gt2		at localbus? base 6
 # fxp normally only used for debugging (enable/disable both)
 fxp*            at pci? dev ? function ?        # Intel 82559 Device
-#inphy*          at mii? phy ?                   # Intel 82555 PHYs
+inphy*          at mii? phy ?                   # Intel 82555 PHYs
 rtl*        at pci? dev ? function ?
 #uhci*		 at pci? dev ? function ?
 #ohci0		 at pci? dev ? function ?

Targets/fcr_soc/pci/pci_machdep.c

@@ -331,7 +331,8 @@ _pci_conf_writen(pcitag_t tag, int reg, pcireg_t data,int width)
 
 	*(volatile unsigned int *)PHYS_TO_UNCACHED(FCR_SOC_PCI_REGS_BASE + 0x1e0)=addr;
 
-    {
+	if(width!=4)
+	{
       pcireg_t ori =  *(volatile unsigned int *)PHYS_TO_UNCACHED(FCR_SOC_PCI_REGS_BASE + 0x1e4);
       pcireg_t mask = 0x0;
 
@@ -352,8 +353,8 @@ _pci_conf_writen(pcitag_t tag, int reg, pcireg_t data,int width)
 
       data = data << ((reg & 3) << 3);
       data = (ori & mask) | data;
+	  }
         *(volatile unsigned int *)PHYS_TO_UNCACHED(FCR_SOC_PCI_REGS_BASE + 0x1e4)=data;
-    }
 
 }
 

sys/dev/pci/pciconf.c

@@ -104,11 +104,8 @@ pcitag_t have_vga = 0;			/* Have tag if VGA board found */
 int monarch_mode = 1;			/* Default as master on the bus! */
 int pci_roots;				/* How many pci roots to init */
 int _pciverbose = _PCIVERBOSE;
-#ifdef BONITOEL
 static int _pci_nbus = 0;		/* Allow for eight roots */
-#else
+
-static int _pci_nbus = 8;		/* Allow for eight roots */
-#endif
 struct tgt_bus_space def_bus_iot;		/* Default bus tags */
 struct tgt_bus_space def_bus_memt;		/* Default bus tags */
 struct pci_device *_pci_head;