Merge ../linux-2.6

3 files changed, 55 insertions, 2 deletions

diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile
index c610ca933a25..76a55a438f23 100644
--- a/arch/ppc/kernel/Makefile
+++ b/arch/ppc/kernel/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_POWER4)		+= cpu_setup_power4.o
 obj-$(CONFIG_MODULES)           += module.o ppc_ksyms.o
 obj-$(CONFIG_NOT_COHERENT_CACHE)        += dma-mapping.o
 obj-$(CONFIG_PCI)               += pci.o
+obj-$(CONFIG_RAPIDIO)           += rio.o
 obj-$(CONFIG_KGDB)              += ppc-stub.o
 obj-$(CONFIG_SMP)               += smp.o smp-tbsync.o
 obj-$(CONFIG_TAU)               += temp.o
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S
index 8b49679fad54..677c571aa276 100644
--- a/arch/ppc/kernel/head_44x.S
+++ b/arch/ppc/kernel/head_44x.S
@@ -190,8 +190,8 @@ skpinv:	addi	r4,r4,1				/* Increment */
 
         /* xlat fields */
         lis     r4,UART0_PHYS_IO_BASE@h         /* RPN depends on SoC */
-#ifndef CONFIG_440EP
-        ori     r4,r4,0x0001            /* ERPN is 1 for second 4GB page */
+#ifdef UART0_PHYS_ERPN
+        ori     r4,r4,UART0_PHYS_ERPN           /* Add ERPN if above 4GB */
 #endif
 
         /* attrib fields */
diff --git a/arch/ppc/kernel/rio.c b/arch/ppc/kernel/rio.c
new file mode 100644
index 000000000000..29487fedfc76
--- /dev/null
+++ b/arch/ppc/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);