[POWERPC] mpc5200: Add common mpc52xx_setup_pci() routine

This patch moves a generic pci init code from lite5200
platform file to a common mpc52xx_setup_pci() routine
and adds additional compatibility property verification.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

arch/powerpc/platforms/52xx/lite5200.c

@@ -131,10 +131,6 @@ static void lite5200_resume_finish(void __iomem *mbar)
 
 static void __init lite5200_setup_arch(void)
 {
-#ifdef CONFIG_PCI
-	struct device_node *np;
-#endif
-
 	if (ppc_md.progress)
 		ppc_md.progress("lite5200_setup_arch()", 0);
 
@@ -154,13 +150,7 @@ static void __init lite5200_setup_arch(void)
 	lite5200_pm_init();
 #endif
 
-#ifdef CONFIG_PCI
-	np = of_find_node_by_type(NULL, "pci");
-	if (np) {
-		mpc52xx_add_bridge(np);
-		of_node_put(np);
-	}
-#endif
+	mpc52xx_setup_pci();
 }
 
 /*

arch/powerpc/platforms/52xx/mpc52xx_pci.c

@@ -406,3 +406,17 @@ mpc52xx_add_bridge(struct device_node *node)
 
 	return 0;
 }
+
+void __init mpc52xx_setup_pci(void)
+{
+	struct device_node *pci;
+
+	pci = of_find_compatible_node(NULL, NULL, "fsl,mpc5200-pci");
+	if (!pci)
+		pci = of_find_compatible_node(NULL, NULL, "mpc5200-pci");
+	if (!pci)
+		return;
+
+	mpc52xx_add_bridge(pci);
+	of_node_put(pci);
+}

include/asm-powerpc/mpc52xx.h

@@ -257,7 +257,12 @@ extern void mpc52xx_declare_of_platform_devices(void);
 extern void mpc52xx_init_irq(void);
 extern unsigned int mpc52xx_get_irq(void);
 
+#ifdef CONFIG_PCI
 extern int __init mpc52xx_add_bridge(struct device_node *node);
+extern void __init mpc52xx_setup_pci(void);
+#else
+static inline void mpc52xx_setup_pci(void) { }
+#endif
 
 extern void __init mpc52xx_map_wdt(void);
 extern void mpc52xx_restart(char *cmd);