[PATCH] ARM: 2755/1: describe ixp2000 virtual memory map layout

Patch from Lennert Buytenhek

Add a comment to asm/arch-ixp2000/ixp2000-regs.h describing the
ixp2000 virtual memory map layout.
Signed-off-by: NLennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Deepak Saxena
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

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

@@ -18,6 +18,21 @@
 #ifndef _IXP2000_REGS_H_
 #define _IXP2000_REGS_H_
 
+/*
+ * IXP2000 linux memory map:
+ *
+ * virt		phys		size
+ * fb000000	db000000	16M		PCI CFG1
+ * fc000000	da000000	16M		PCI CFG0
+ * fd000000	d8000000	16M		PCI I/O
+ * fe[0-7]00000			8M		per-platform mappings
+ * feb00000	c8000000	1M		MSF
+ * fec00000	df000000	1M		PCI CSRs
+ * fed00000	de000000	1M		PCI CREG
+ * fee00000	d6000000	1M		INTCTL
+ * fef00000	c0000000	1M		CAP
+ */
+
 /* 
  * Static I/O regions.
  *