ARM: cleanup boot cpu calling __mmap_switched

This allows us to relocate __mmap_switched and associated data away
from the head section.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/kernel/head-common.S

@@ -18,7 +18,6 @@
 	.align	2
 	.type	__switch_data, %object
 __switch_data:
-	.long	__mmap_switched
 	.long	__data_loc			@ r4
 	.long	_data				@ r5
 	.long	__bss_start			@ r6
@@ -39,7 +38,7 @@ __switch_data:
  *  r9  = processor ID
  */
 __mmap_switched:
-	adr	r3, __switch_data + 4
+	adr	r3, __switch_data
 
 	ldmia	r3!, {r4, r5, r6, r7}
 	cmp	r4, r5				@ Copy data segment if needed

arch/arm/kernel/head.S

@@ -95,13 +95,14 @@ ENTRY(stext)
 	 * above.  On return, the CPU will be ready for the MMU to be
 	 * turned on, and r0 will hold the CPU control register value.
 	 */
-	ldr	r13, __switch_data		@ address to jump to after
+	ldr	r13, =__mmap_switched		@ address to jump to after
 						@ mmu has been enabled
 	adr	lr, BSYM(__enable_mmu)		@ return (PIC) address
  ARM(	add	pc, r10, #PROCINFO_INITFUNC	)
  THUMB(	add	r12, r10, #PROCINFO_INITFUNC	)
  THUMB(	mov	pc, r12				)
 ENDPROC(stext)
+	.ltorg
 
 #if defined(CONFIG_SMP)
 ENTRY(secondary_startup)