ARC: Disintegrate arcregs.h

* Move the various sub-system defines/types into relevant files/functions
  (reduces compilation time)

* move CPU specific stuff out of asm/tlb.h into asm/mmu.h

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

4 files changed, 57 insertions, 9 deletions

diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c
index 28007d25066..e9c7a66817c 100644
--- a/arch/arc/mm/cache_arc700.c
+++ b/arch/arc/mm/cache_arc700.c
@@ -73,6 +73,33 @@
 #include <asm/cachectl.h>
 #include <asm/setup.h>
 
+/* Instruction cache related Auxiliary registers */
+#define ARC_REG_IC_BCR		0x77	/* Build Config reg */
+#define ARC_REG_IC_IVIC		0x10
+#define ARC_REG_IC_CTRL		0x11
+#define ARC_REG_IC_IVIL		0x19
+#if (CONFIG_ARC_MMU_VER > 2)
+#define ARC_REG_IC_PTAG		0x1E
+#endif
+
+/* Bit val in IC_CTRL */
+#define IC_CTRL_CACHE_DISABLE   0x1
+
+/* Data cache related Auxiliary registers */
+#define ARC_REG_DC_BCR		0x72	/* Build Config reg */
+#define ARC_REG_DC_IVDC		0x47
+#define ARC_REG_DC_CTRL		0x48
+#define ARC_REG_DC_IVDL		0x4A
+#define ARC_REG_DC_FLSH		0x4B
+#define ARC_REG_DC_FLDL		0x4C
+#if (CONFIG_ARC_MMU_VER > 2)
+#define ARC_REG_DC_PTAG		0x5C
+#endif
+
+/* Bit val in DC_CTRL */
+#define DC_CTRL_INV_MODE_FLUSH  0x40
+#define DC_CTRL_FLUSH_STATUS    0x100
+
 char *arc_cache_mumbojumbo(int cpu_id, char *buf, int len)
 {
 	int n = 0;
@@ -104,9 +131,15 @@ char *arc_cache_mumbojumbo(int cpu_id, char *buf, int len)
  */
 void __cpuinit read_decode_cache_bcr(void)
 {
-	struct bcr_cache ibcr, dbcr;
 	struct cpuinfo_arc_cache *p_ic, *p_dc;
 	unsigned int cpu = smp_processor_id();
+	struct bcr_cache {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+		unsigned int pad:12, line_len:4, sz:4, config:4, ver:8;
+#else
+		unsigned int ver:8, config:4, sz:4, line_len:4, pad:12;
+#endif
+	} ibcr, dbcr;
 
 	p_ic = &cpuinfo_arc700[cpu].icache;
 	READ_BCR(ARC_REG_IC_BCR, ibcr);
@@ -136,12 +169,10 @@ void __cpuinit read_decode_cache_bcr(void)
  */
 void __cpuinit arc_cache_init(void)
 {
-	unsigned int temp;
 	unsigned int cpu = smp_processor_id();
 	struct cpuinfo_arc_cache *ic = &cpuinfo_arc700[cpu].icache;
 	struct cpuinfo_arc_cache *dc = &cpuinfo_arc700[cpu].dcache;
-	int way_pg_ratio = way_pg_ratio;
-	int dcache_does_alias;
+	unsigned int dcache_does_alias, temp;
 	char str[256];
 
 	printk(arc_cache_mumbojumbo(0, str, sizeof(str)));
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index 689ffd86d5e..c0decc1f8d2 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -15,6 +15,7 @@
 #include <linux/uaccess.h>
 #include <linux/kdebug.h>
 #include <asm/pgalloc.h>
+#include <asm/mmu.h>
 
 static int handle_vmalloc_fault(struct mm_struct *mm, unsigned long address)
 {
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index 1ced5f18e6b..f60807c2683 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -55,7 +55,7 @@
 #include <asm/arcregs.h>
 #include <asm/setup.h>
 #include <asm/mmu_context.h>
-#include <asm/tlb.h>
+#include <asm/mmu.h>
 
 /*			Need for ARC MMU v2
  *
@@ -97,6 +97,7 @@
  * J-TLB entry got evicted/replaced.
  */
 
+
 /* A copy of the ASID from the PID reg is kept in asid_cache */
 int asid_cache = FIRST_ASID;
 
@@ -466,10 +467,25 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr_unaligned,
  */
 void __cpuinit read_decode_mmu_bcr(void)
 {
-	unsigned int tmp;
-	struct bcr_mmu_1_2 *mmu2;	/* encoded MMU2 attr */
-	struct bcr_mmu_3 *mmu3;		/* encoded MMU3 attr */
 	struct cpuinfo_arc_mmu *mmu = &cpuinfo_arc700[smp_processor_id()].mmu;
+	unsigned int tmp;
+	struct bcr_mmu_1_2 {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+		unsigned int ver:8, ways:4, sets:4, u_itlb:8, u_dtlb:8;
+#else
+		unsigned int u_dtlb:8, u_itlb:8, sets:4, ways:4, ver:8;
+#endif
+	} *mmu2;
+
+	struct bcr_mmu_3 {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+	unsigned int ver:8, ways:4, sets:4, osm:1, reserv:3, pg_sz:4,
+		     u_itlb:4, u_dtlb:4;
+#else
+	unsigned int u_dtlb:4, u_itlb:4, pg_sz:4, reserv:3, osm:1, sets:4,
+		     ways:4, ver:8;
+#endif
+	} *mmu3;
 
 	tmp = read_aux_reg(ARC_REG_MMU_BCR);
 	mmu->ver = (tmp >> 24);
diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S
index 3357d26ffe5..7bf811d51af 100644
--- a/arch/arc/mm/tlbex.S
+++ b/arch/arc/mm/tlbex.S
@@ -39,7 +39,7 @@
 
 #include <linux/linkage.h>
 #include <asm/entry.h>
-#include <asm/tlb.h>
+#include <asm/mmu.h>
 #include <asm/pgtable.h>
 #include <asm/arcregs.h>
 #include <asm/cache.h>