[POWERPC] Move RapidIO support code from arch/ppc

Do just enough to move the RapidIO support code for 85xx over from arch/ppc
into arch/powerpc and make it still build.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/kernel/Makefile

@@ -70,6 +70,7 @@ pci64-$(CONFIG_PPC64)		+= pci_dn.o isa-bridge.o
 obj-$(CONFIG_PCI)		+= pci_$(CONFIG_WORD_SIZE).o $(pci64-y) \
 				   pci-common.o
 obj-$(CONFIG_PCI_MSI)		+= msi.o
+obj-$(CONFIG_RAPIDIO)		+= rio.o
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o crash.o \
 				   machine_kexec_$(CONFIG_WORD_SIZE).o
 obj-$(CONFIG_AUDIT)		+= audit.o

arch/powerpc/kernel/rio.c

@@ -0,0 +1,52 @@
+/*
+ * RapidIO PPC32 support
+ *
+ * Copyright 2005 MontaVista Software, Inc.
+ * Matt Porter <mporter@kernel.crashing.org>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/rio.h>
+
+#include <asm/rio.h>
+
+/**
+ * platform_rio_init - Do platform specific RIO init
+ *
+ * Any platform specific initialization of RapdIO
+ * hardware is done here as well as registration
+ * of any active master ports in the system.
+ */
+void __attribute__ ((weak))
+    platform_rio_init(void)
+{
+	printk(KERN_WARNING "RIO: No platform_rio_init() present\n");
+}
+
+/**
+ * ppc_rio_init - Do PPC32 RIO init
+ *
+ * Calls platform-specific RIO init code and then calls
+ * rio_init_mports() to initialize any master ports that
+ * have been registered with the RIO subsystem.
+ */
+static int __init ppc_rio_init(void)
+{
+	printk(KERN_INFO "RIO: RapidIO init\n");
+
+	/* Platform specific initialization */
+	platform_rio_init();
+
+	/* Enumerate all registered ports */
+	rio_init_mports();
+
+	return 0;
+}
+
+subsys_initcall(ppc_rio_init);