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-rw-r--r--arch/arc/include/asm/arcregs.h127
1 files changed, 10 insertions, 117 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index 1b907c465666..355cb470c2a4 100644
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -20,7 +20,6 @@
20#define ARC_REG_PERIBASE_BCR 0x69 20#define ARC_REG_PERIBASE_BCR 0x69
21#define ARC_REG_FP_BCR 0x6B /* Single-Precision FPU */ 21#define ARC_REG_FP_BCR 0x6B /* Single-Precision FPU */
22#define ARC_REG_DPFP_BCR 0x6C /* Dbl Precision FPU */ 22#define ARC_REG_DPFP_BCR 0x6C /* Dbl Precision FPU */
23#define ARC_REG_MMU_BCR 0x6f
24#define ARC_REG_DCCM_BCR 0x74 /* DCCM Present + SZ */ 23#define ARC_REG_DCCM_BCR 0x74 /* DCCM Present + SZ */
25#define ARC_REG_TIMERS_BCR 0x75 24#define ARC_REG_TIMERS_BCR 0x75
26#define ARC_REG_ICCM_BCR 0x78 25#define ARC_REG_ICCM_BCR 0x78
@@ -34,22 +33,12 @@
34#define ARC_REG_D_UNCACH_BCR 0x6A 33#define ARC_REG_D_UNCACH_BCR 0x6A
35 34
36/* status32 Bits Positions */ 35/* status32 Bits Positions */
37#define STATUS_H_BIT 0 /* CPU Halted */
38#define STATUS_E1_BIT 1 /* Int 1 enable */
39#define STATUS_E2_BIT 2 /* Int 2 enable */
40#define STATUS_A1_BIT 3 /* Int 1 active */
41#define STATUS_A2_BIT 4 /* Int 2 active */
42#define STATUS_AE_BIT 5 /* Exception active */ 36#define STATUS_AE_BIT 5 /* Exception active */
43#define STATUS_DE_BIT 6 /* PC is in delay slot */ 37#define STATUS_DE_BIT 6 /* PC is in delay slot */
44#define STATUS_U_BIT 7 /* User/Kernel mode */ 38#define STATUS_U_BIT 7 /* User/Kernel mode */
45#define STATUS_L_BIT 12 /* Loop inhibit */ 39#define STATUS_L_BIT 12 /* Loop inhibit */
46 40
47/* These masks correspond to the status word(STATUS_32) bits */ 41/* These masks correspond to the status word(STATUS_32) bits */
48#define STATUS_H_MASK (1<<STATUS_H_BIT)
49#define STATUS_E1_MASK (1<<STATUS_E1_BIT)
50#define STATUS_E2_MASK (1<<STATUS_E2_BIT)
51#define STATUS_A1_MASK (1<<STATUS_A1_BIT)
52#define STATUS_A2_MASK (1<<STATUS_A2_BIT)
53#define STATUS_AE_MASK (1<<STATUS_AE_BIT) 42#define STATUS_AE_MASK (1<<STATUS_AE_BIT)
54#define STATUS_DE_MASK (1<<STATUS_DE_BIT) 43#define STATUS_DE_MASK (1<<STATUS_DE_BIT)
55#define STATUS_U_MASK (1<<STATUS_U_BIT) 44#define STATUS_U_MASK (1<<STATUS_U_BIT)
@@ -71,6 +60,7 @@
71#define ECR_V_ITLB_MISS 0x21 60#define ECR_V_ITLB_MISS 0x21
72#define ECR_V_DTLB_MISS 0x22 61#define ECR_V_DTLB_MISS 0x22
73#define ECR_V_PROTV 0x23 62#define ECR_V_PROTV 0x23
63#define ECR_V_TRAP 0x25
74 64
75/* Protection Violation Exception Cause Code Values */ 65/* Protection Violation Exception Cause Code Values */
76#define ECR_C_PROTV_INST_FETCH 0x00 66#define ECR_C_PROTV_INST_FETCH 0x00
@@ -79,94 +69,23 @@
79#define ECR_C_PROTV_XCHG 0x03 69#define ECR_C_PROTV_XCHG 0x03
80#define ECR_C_PROTV_MISALIG_DATA 0x04 70#define ECR_C_PROTV_MISALIG_DATA 0x04
81 71
72#define ECR_C_BIT_PROTV_MISALIG_DATA 10
73
74/* Machine Check Cause Code Values */
75#define ECR_C_MCHK_DUP_TLB 0x01
76
82/* DTLB Miss Exception Cause Code Values */ 77/* DTLB Miss Exception Cause Code Values */
83#define ECR_C_BIT_DTLB_LD_MISS 8 78#define ECR_C_BIT_DTLB_LD_MISS 8
84#define ECR_C_BIT_DTLB_ST_MISS 9 79#define ECR_C_BIT_DTLB_ST_MISS 9
85 80
81/* Dummy ECR values for Interrupts */
82#define event_IRQ1 0x0031abcd
83#define event_IRQ2 0x0032abcd
86 84
87/* Auxiliary registers */ 85/* Auxiliary registers */
88#define AUX_IDENTITY 4 86#define AUX_IDENTITY 4
89#define AUX_INTR_VEC_BASE 0x25 87#define AUX_INTR_VEC_BASE 0x25
90#define AUX_IRQ_LEV 0x200 /* IRQ Priority: L1 or L2 */
91#define AUX_IRQ_HINT 0x201 /* For generating Soft Interrupts */
92#define AUX_IRQ_LV12 0x43 /* interrupt level register */
93
94#define AUX_IENABLE 0x40c
95#define AUX_ITRIGGER 0x40d
96#define AUX_IPULSE 0x415
97
98/* Timer related Aux registers */
99#define ARC_REG_TIMER0_LIMIT 0x23 /* timer 0 limit */
100#define ARC_REG_TIMER0_CTRL 0x22 /* timer 0 control */
101#define ARC_REG_TIMER0_CNT 0x21 /* timer 0 count */
102#define ARC_REG_TIMER1_LIMIT 0x102 /* timer 1 limit */
103#define ARC_REG_TIMER1_CTRL 0x101 /* timer 1 control */
104#define ARC_REG_TIMER1_CNT 0x100 /* timer 1 count */
105
106#define TIMER_CTRL_IE (1 << 0) /* Interupt when Count reachs limit */
107#define TIMER_CTRL_NH (1 << 1) /* Count only when CPU NOT halted */
108
109/* MMU Management regs */
110#define ARC_REG_TLBPD0 0x405
111#define ARC_REG_TLBPD1 0x406
112#define ARC_REG_TLBINDEX 0x407
113#define ARC_REG_TLBCOMMAND 0x408
114#define ARC_REG_PID 0x409
115#define ARC_REG_SCRATCH_DATA0 0x418
116
117/* Bits in MMU PID register */
118#define MMU_ENABLE (1 << 31) /* Enable MMU for process */
119
120/* Error code if probe fails */
121#define TLB_LKUP_ERR 0x80000000
122
123/* TLB Commands */
124#define TLBWrite 0x1
125#define TLBRead 0x2
126#define TLBGetIndex 0x3
127#define TLBProbe 0x4
128
129#if (CONFIG_ARC_MMU_VER >= 2)
130#define TLBWriteNI 0x5 /* write JTLB without inv uTLBs */
131#define TLBIVUTLB 0x6 /* explicitly inv uTLBs */
132#else
133#undef TLBWriteNI /* These cmds don't exist on older MMU */
134#undef TLBIVUTLB
135#endif
136 88
137/* Instruction cache related Auxiliary registers */
138#define ARC_REG_IC_BCR 0x77 /* Build Config reg */
139#define ARC_REG_IC_IVIC 0x10
140#define ARC_REG_IC_CTRL 0x11
141#define ARC_REG_IC_IVIL 0x19
142#if (CONFIG_ARC_MMU_VER > 2)
143#define ARC_REG_IC_PTAG 0x1E
144#endif
145
146/* Bit val in IC_CTRL */
147#define IC_CTRL_CACHE_DISABLE 0x1
148
149/* Data cache related Auxiliary registers */
150#define ARC_REG_DC_BCR 0x72
151#define ARC_REG_DC_IVDC 0x47
152#define ARC_REG_DC_CTRL 0x48
153#define ARC_REG_DC_IVDL 0x4A
154#define ARC_REG_DC_FLSH 0x4B
155#define ARC_REG_DC_FLDL 0x4C
156#if (CONFIG_ARC_MMU_VER > 2)
157#define ARC_REG_DC_PTAG 0x5C
158#endif
159
160/* Bit val in DC_CTRL */
161#define DC_CTRL_INV_MODE_FLUSH 0x40
162#define DC_CTRL_FLUSH_STATUS 0x100
163
164/* MMU Management regs */
165#define ARC_REG_PID 0x409
166#define ARC_REG_SCRATCH_DATA0 0x418
167
168/* Bits in MMU PID register */
169#define MMU_ENABLE (1 << 31) /* Enable MMU for process */
170 89
171/* 90/*
172 * Floating Pt Registers 91 * Floating Pt Registers
@@ -293,24 +212,6 @@ struct bcr_identity {
293#endif 212#endif
294}; 213};
295 214
296struct bcr_mmu_1_2 {
297#ifdef CONFIG_CPU_BIG_ENDIAN
298 unsigned int ver:8, ways:4, sets:4, u_itlb:8, u_dtlb:8;
299#else
300 unsigned int u_dtlb:8, u_itlb:8, sets:4, ways:4, ver:8;
301#endif
302};
303
304struct bcr_mmu_3 {
305#ifdef CONFIG_CPU_BIG_ENDIAN
306 unsigned int ver:8, ways:4, sets:4, osm:1, reserv:3, pg_sz:4,
307 u_itlb:4, u_dtlb:4;
308#else
309 unsigned int u_dtlb:4, u_itlb:4, pg_sz:4, reserv:3, osm:1, sets:4,
310 ways:4, ver:8;
311#endif
312};
313
314#define EXTN_SWAP_VALID 0x1 215#define EXTN_SWAP_VALID 0x1
315#define EXTN_NORM_VALID 0x2 216#define EXTN_NORM_VALID 0x2
316#define EXTN_MINMAX_VALID 0x2 217#define EXTN_MINMAX_VALID 0x2
@@ -343,14 +244,6 @@ struct bcr_extn_xymem {
343#endif 244#endif
344}; 245};
345 246
346struct bcr_cache {
347#ifdef CONFIG_CPU_BIG_ENDIAN
348 unsigned int pad:12, line_len:4, sz:4, config:4, ver:8;
349#else
350 unsigned int ver:8, config:4, sz:4, line_len:4, pad:12;
351#endif
352};
353
354struct bcr_perip { 247struct bcr_perip {
355#ifdef CONFIG_CPU_BIG_ENDIAN 248#ifdef CONFIG_CPU_BIG_ENDIAN
356 unsigned int start:8, pad2:8, sz:8, pad:8; 249 unsigned int start:8, pad2:8, sz:8, pad:8;
@@ -403,7 +296,7 @@ struct cpuinfo_arc_mmu {
403}; 296};
404 297
405struct cpuinfo_arc_cache { 298struct cpuinfo_arc_cache {
406 unsigned int has_aliasing, sz, line_len, assoc, ver; 299 unsigned int sz, line_len, assoc, ver;
407}; 300};
408 301
409struct cpuinfo_arc_ccm { 302struct cpuinfo_arc_ccm {