[PATCH] m68knommu: fix ColdFire startup code to properly handle non 0 based ram

Correctly determine the end of ram for ram setups that do not
start at base address of 0. Add support for the MOD5272 board,
which doesn not have a ram base of 0.

Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/m68knommu/platform/5307/head.S

@@ -39,14 +39,18 @@
  *	Memory size exceptions for special cases. Some boards may be set
  *	for auto memory sizing, but we can't do it that way for some reason.
  *	For example the 5206eLITE board has static RAM, and auto-detecting
- *	the SDRAM will do you no good at all.
+ *	the SDRAM will do you no good at all. Same goes for the MOD5272.
  */
 #ifdef CONFIG_RAMAUTO
 #if defined(CONFIG_M5206eLITE)
-#define	MEM_SIZE	0x00100000		/* 1MiB default memory */
+#define	MEM_SIZE	0x00100000	/* 1MiB default memory */
+#endif
+#if defined(CONFIG_MOD5272)
+#define MEM_SIZE	0x00800000	/* 8MiB default memory */
 #endif
 #endif /* CONFIG_RAMAUTO */
 
+
 /*
  *	If we don't have a fixed memory size now, then lets build in code
  *	to auto detect the DRAM size. Obviously this is the prefered
@@ -100,11 +104,15 @@
 
 /*
  *	Most ColdFire boards have their DRAM starting at address 0.
- *	Notable exception is the 5206eLITE board.
+ *	Notable exception is the 5206eLITE board, another is the MOD5272.
  */
 #if defined(CONFIG_M5206eLITE)
 #define	MEM_BASE	0x30000000
 #endif
+#if defined(CONFIG_MOD5272)
+#define MEM_BASE	0x02000000
+#define VBR_BASE	0x20000000	/* vectors in SRAM */
+#endif
 
 #ifndef MEM_BASE
 #define	MEM_BASE	0x00000000	/* memory base at address 0 */
@@ -188,6 +196,7 @@ _start:
 	movel	%a7,_rambase
 
 	GET_MEM_SIZE				/* macro code determines size */
+	addl	%a7,%d0
 	movel	%d0,_ramend			/* set end ram addr */
 
 	/*