[ARM] 4109/2: Add support for the RealView/EB MPCore revC platform

The kernel originally supported revB only. This patch enables revC by
default and adds a config option for building the kernel for the revB
platform. Since the SCU base address was hard-coded in the proc-v6.S
file (and only valid for RealView/EB revB), this patch also adds a
more generic support for defining the SCU information.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mm/proc-v6.S

@@ -14,10 +14,13 @@
 #include <asm/assembler.h>
 #include <asm/asm-offsets.h>
 #include <asm/elf.h>
-#include <asm/hardware/arm_scu.h>
 #include <asm/pgtable-hwdef.h>
 #include <asm/pgtable.h>
 
+#ifdef CONFIG_SMP
+#include <asm/hardware/arm_scu.h>
+#endif
+
 #include "proc-macros.S"
 
 #define D_CACHE_LINE_SIZE	32
@@ -183,8 +186,7 @@ __v6_setup:
 	/* Set up the SCU on core 0 only */
 	mrc	p15, 0, r0, c0, c0, 5		@ CPU core number
 	ands	r0, r0, #15
-	moveq	r0, #0x10000000 @ SCU_BASE
-	orreq	r0, r0, #0x00100000
+	ldreq	r0, =SCU_BASE
 	ldreq	r5, [r0, #SCU_CTRL]
 	orreq	r5, r5, #1
 	streq	r5, [r0, #SCU_CTRL]