[PATCH] ARM: 2756/1: add ixp2000 msf mapping

Patch from Lennert Buytenhek

Add a mapping for the ixp2400 and ixp2800 msf unit.  The msf is the
ixp2000's 'media and switch fabric' unit, which handles the networking
part of the chip.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Deepak Saxena
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ixp2000/core.c

@@ -102,6 +102,11 @@ static struct map_desc ixp2000_io_desc[] __initdata = {
 		.physical	= IXP2000_PCI_CSR_PHYS_BASE,
 		.length		= IXP2000_PCI_CSR_SIZE,
 		.type		= MT_DEVICE
+	}, {
+		.virtual	= IXP2000_MSF_VIRT_BASE,
+		.physical	= IXP2000_MSF_PHYS_BASE,
+		.length		= IXP2000_MSF_SIZE,
+		.type		= MT_DEVICE
 	}, {
 		.virtual	= IXP2000_PCI_IO_VIRT_BASE,
 		.physical	= IXP2000_PCI_IO_PHYS_BASE,

include/asm-arm/arch-ixp2000/ixp2000-regs.h

@@ -86,6 +86,10 @@
 #define	IXP2000_PCI_CSR_VIRT_BASE	0xfec00000
 #define	IXP2000_PCI_CSR_SIZE		0x00100000
 
+#define IXP2000_MSF_PHYS_BASE		0xc8000000
+#define IXP2000_MSF_VIRT_BASE		0xfeb00000
+#define IXP2000_MSF_SIZE		0x00100000
+
 #define IXP2000_PCI_IO_PHYS_BASE	0xd8000000
 #define	IXP2000_PCI_IO_VIRT_BASE	0xfd000000
 #define IXP2000_PCI_IO_SIZE     	0x01000000