[ARM] Add ARMv6 definitions.

- Add section descriptor bit definitions.
- Add control register bit definitions.
- Add architecture number.

include/asm-arm/proc-armv/pgtable.h

@@ -49,6 +49,9 @@
 #define PMD_SECT_AP_WRITE	(1 << 10)
 #define PMD_SECT_AP_READ	(1 << 11)
 #define PMD_SECT_TEX(x)		((x) << 12)	/* v5 */
+#define PMD_SECT_APX		(1 << 15)	/* v6 */
+#define PMD_SECT_S		(1 << 16)	/* v6 */
+#define PMD_SECT_nG		(1 << 17)	/* v6 */
 
 #define PMD_SECT_UNCACHED	(0)
 #define PMD_SECT_BUFFERED	(PMD_SECT_BUFFERABLE)

include/asm-arm/proc-armv/system.h

@@ -41,6 +41,14 @@
 #define CR_I	(1 << 12)	/* Icache enable			*/
 #define CR_V	(1 << 13)	/* Vectors relocated to 0xffff0000	*/
 #define CR_RR	(1 << 14)	/* Round Robin cache replacement	*/
+#define CR_L4	(1 << 15)	/* LDR pc can set T bit			*/
+#define CR_DT	(1 << 16)
+#define CR_IT	(1 << 18)
+#define CR_ST	(1 << 19)
+#define CR_FI	(1 << 21)
+#define CR_U	(1 << 22)	/* Unaligned access operation		*/
+#define CR_XP	(1 << 23)	/* Extended page tables			*/
+#define CR_VE	(1 << 24)	/* Vectored interrupts			*/
 
 extern unsigned long cr_no_alignment;	/* defined in entry-armv.S */
 extern unsigned long cr_alignment;	/* defined in entry-armv.S */

include/asm-arm/system.h

@@ -41,6 +41,7 @@ extern asmlinkage void __backtrace(void);
 #define CPU_ARCH_ARMv5		4
 #define CPU_ARCH_ARMv5T		5
 #define CPU_ARCH_ARMv5TE	6
+#define CPU_ARCH_ARMv6		7
 
 extern int cpu_architecture(void);