Commit | Line | Data |
---|---|---|
ac4c244d VG |
1 | /* |
2 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | #ifndef _ASM_ARC_ARCREGS_H | |
10 | #define _ASM_ARC_ARCREGS_H | |
11 | ||
bacdf480 | 12 | /* Build Configuration Registers */ |
a150b085 | 13 | #define ARC_REG_AUX_DCCM 0x18 /* DCCM Base Addr ARCv2 */ |
f3156851 | 14 | #define ARC_REG_ERP_CTRL 0x3F /* ARCv2 Error protection control */ |
a150b085 | 15 | #define ARC_REG_DCCM_BASE_BUILD 0x61 /* DCCM Base Addr ARCompact */ |
af617428 | 16 | #define ARC_REG_CRC_BCR 0x62 |
bacdf480 | 17 | #define ARC_REG_VECBASE_BCR 0x68 |
af617428 | 18 | #define ARC_REG_PERIBASE_BCR 0x69 |
56372082 VG |
19 | #define ARC_REG_FP_BCR 0x6B /* ARCompact: Single-Precision FPU */ |
20 | #define ARC_REG_DPFP_BCR 0x6C /* ARCompact: Dbl Precision FPU */ | |
f3156851 | 21 | #define ARC_REG_ERP_BUILD 0xc7 /* ARCv2 Error protection Build: ECC/Parity */ |
1f6ccfff | 22 | #define ARC_REG_FP_V2_BCR 0xc8 /* ARCv2 FPU */ |
d1f317d8 | 23 | #define ARC_REG_SLC_BCR 0xce |
a150b085 | 24 | #define ARC_REG_DCCM_BUILD 0x74 /* DCCM size (common) */ |
56372082 | 25 | #define ARC_REG_AP_BCR 0x76 |
a150b085 | 26 | #define ARC_REG_ICCM_BUILD 0x78 /* ICCM size (common) */ |
af617428 VG |
27 | #define ARC_REG_XY_MEM_BCR 0x79 |
28 | #define ARC_REG_MAC_BCR 0x7a | |
29 | #define ARC_REG_MUL_BCR 0x7b | |
30 | #define ARC_REG_SWAP_BCR 0x7c | |
31 | #define ARC_REG_NORM_BCR 0x7d | |
32 | #define ARC_REG_MIXMAX_BCR 0x7e | |
33 | #define ARC_REG_BARREL_BCR 0x7f | |
34 | #define ARC_REG_D_UNCACH_BCR 0x6A | |
56372082 VG |
35 | #define ARC_REG_BPU_BCR 0xc0 |
36 | #define ARC_REG_ISA_CFG_BCR 0xc1 | |
f3156851 | 37 | #define ARC_REG_LPB_BUILD 0xE9 /* ARCv2 Loop Buffer Build */ |
a44ec8bd | 38 | #define ARC_REG_RTT_BCR 0xF2 |
820970a5 | 39 | #define ARC_REG_IRQ_BCR 0xF3 |
f3156851 | 40 | #define ARC_REG_MICRO_ARCH_BCR 0xF9 /* ARCv2 Product revision */ |
56372082 | 41 | #define ARC_REG_SMART_BCR 0xFF |
f2b0b25a | 42 | #define ARC_REG_CLUSTER_BCR 0xcf |
a150b085 | 43 | #define ARC_REG_AUX_ICCM 0x208 /* ICCM Base Addr (ARCv2) */ |
f3156851 | 44 | #define ARC_REG_LPB_CTRL 0x488 /* ARCv2 Loop Buffer control */ |
bacdf480 | 45 | |
e98a7bf0 YK |
46 | /* Common for ARCompact and ARCv2 status register */ |
47 | #define ARC_REG_STATUS32 0x0A | |
48 | ||
ac4c244d | 49 | /* status32 Bits Positions */ |
ac4c244d VG |
50 | #define STATUS_AE_BIT 5 /* Exception active */ |
51 | #define STATUS_DE_BIT 6 /* PC is in delay slot */ | |
52 | #define STATUS_U_BIT 7 /* User/Kernel mode */ | |
e6e335bf | 53 | #define STATUS_Z_BIT 11 |
ac4c244d VG |
54 | #define STATUS_L_BIT 12 /* Loop inhibit */ |
55 | ||
56 | /* These masks correspond to the status word(STATUS_32) bits */ | |
ac4c244d VG |
57 | #define STATUS_AE_MASK (1<<STATUS_AE_BIT) |
58 | #define STATUS_DE_MASK (1<<STATUS_DE_BIT) | |
59 | #define STATUS_U_MASK (1<<STATUS_U_BIT) | |
e6e335bf | 60 | #define STATUS_Z_MASK (1<<STATUS_Z_BIT) |
ac4c244d VG |
61 | #define STATUS_L_MASK (1<<STATUS_L_BIT) |
62 | ||
cc562d2e VG |
63 | /* |
64 | * ECR: Exception Cause Reg bits-n-pieces | |
65 | * [23:16] = Exception Vector | |
66 | * [15: 8] = Exception Cause Code | |
67 | * [ 7: 0] = Exception Parameters (for certain types only) | |
68 | */ | |
1f6ccfff | 69 | #ifdef CONFIG_ISA_ARCOMPACT |
dc9e234f | 70 | #define ECR_V_MEM_ERR 0x01 |
cc562d2e VG |
71 | #define ECR_V_INSN_ERR 0x02 |
72 | #define ECR_V_MACH_CHK 0x20 | |
73 | #define ECR_V_ITLB_MISS 0x21 | |
74 | #define ECR_V_DTLB_MISS 0x22 | |
75 | #define ECR_V_PROTV 0x23 | |
502a0c77 | 76 | #define ECR_V_TRAP 0x25 |
1f6ccfff VG |
77 | #else |
78 | #define ECR_V_MEM_ERR 0x01 | |
79 | #define ECR_V_INSN_ERR 0x02 | |
80 | #define ECR_V_MACH_CHK 0x03 | |
81 | #define ECR_V_ITLB_MISS 0x04 | |
82 | #define ECR_V_DTLB_MISS 0x05 | |
83 | #define ECR_V_PROTV 0x06 | |
84 | #define ECR_V_TRAP 0x09 | |
85 | #endif | |
cc562d2e | 86 | |
dc9e234f VG |
87 | /* DTLB Miss and Protection Violation Cause Codes */ |
88 | ||
cc562d2e VG |
89 | #define ECR_C_PROTV_INST_FETCH 0x00 |
90 | #define ECR_C_PROTV_LOAD 0x01 | |
91 | #define ECR_C_PROTV_STORE 0x02 | |
92 | #define ECR_C_PROTV_XCHG 0x03 | |
93 | #define ECR_C_PROTV_MISALIG_DATA 0x04 | |
94 | ||
1898a959 VG |
95 | #define ECR_C_BIT_PROTV_MISALIG_DATA 10 |
96 | ||
97 | /* Machine Check Cause Code Values */ | |
98 | #define ECR_C_MCHK_DUP_TLB 0x01 | |
99 | ||
cc562d2e VG |
100 | /* DTLB Miss Exception Cause Code Values */ |
101 | #define ECR_C_BIT_DTLB_LD_MISS 8 | |
102 | #define ECR_C_BIT_DTLB_ST_MISS 9 | |
103 | ||
ac4c244d VG |
104 | /* Auxiliary registers */ |
105 | #define AUX_IDENTITY 4 | |
dea82520 | 106 | #define AUX_EXEC_CTRL 8 |
ac4c244d | 107 | #define AUX_INTR_VEC_BASE 0x25 |
26c01c49 | 108 | #define AUX_VOL 0x5e |
f1f3347d | 109 | |
bf90e1ea VG |
110 | /* |
111 | * Floating Pt Registers | |
112 | * Status regs are read-only (build-time) so need not be saved/restored | |
113 | */ | |
114 | #define ARC_AUX_FP_STAT 0x300 | |
115 | #define ARC_AUX_DPFP_1L 0x301 | |
116 | #define ARC_AUX_DPFP_1H 0x302 | |
117 | #define ARC_AUX_DPFP_2L 0x303 | |
118 | #define ARC_AUX_DPFP_2H 0x304 | |
119 | #define ARC_AUX_DPFP_STAT 0x305 | |
120 | ||
ac4c244d VG |
121 | #ifndef __ASSEMBLY__ |
122 | ||
c33a605d | 123 | #include <soc/arc/aux.h> |
95d6976d | 124 | |
c121c506 VG |
125 | /* Helpers */ |
126 | #define TO_KB(bytes) ((bytes) >> 10) | |
127 | #define TO_MB(bytes) (TO_KB(bytes) >> 10) | |
128 | #define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10)) | |
129 | #define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10) | |
95d6976d | 130 | |
bf90e1ea | 131 | |
95d6976d VG |
132 | /* |
133 | *************************************************************** | |
134 | * Build Configuration Registers, with encoded hardware config | |
135 | */ | |
af617428 VG |
136 | struct bcr_identity { |
137 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
138 | unsigned int chip_id:16, cpu_id:8, family:8; | |
139 | #else | |
140 | unsigned int family:8, cpu_id:8, chip_id:16; | |
141 | #endif | |
142 | }; | |
95d6976d | 143 | |
010a8c98 | 144 | struct bcr_isa_arcv2 { |
af617428 | 145 | #ifdef CONFIG_CPU_BIG_ENDIAN |
1f6ccfff | 146 | unsigned int div_rem:4, pad2:4, ldd:1, unalign:1, atomic:1, be:1, |
010a8c98 | 147 | pad1:12, ver:8; |
af617428 | 148 | #else |
010a8c98 | 149 | unsigned int ver:8, pad1:12, be:1, atomic:1, unalign:1, |
1f6ccfff | 150 | ldd:1, pad2:4, div_rem:4; |
af617428 VG |
151 | #endif |
152 | }; | |
153 | ||
56372082 | 154 | struct bcr_mpy { |
af617428 | 155 | #ifdef CONFIG_CPU_BIG_ENDIAN |
56372082 | 156 | unsigned int pad:8, x1616:8, dsp:4, cycles:2, type:2, ver:8; |
af617428 | 157 | #else |
56372082 | 158 | unsigned int ver:8, type:2, cycles:2, dsp:4, x1616:8, pad:8; |
af617428 VG |
159 | #endif |
160 | }; | |
161 | ||
162 | struct bcr_extn_xymem { | |
163 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
164 | unsigned int ram_org:2, num_banks:4, bank_sz:4, ver:8; | |
165 | #else | |
166 | unsigned int ver:8, bank_sz:4, num_banks:4, ram_org:2; | |
167 | #endif | |
af617428 | 168 | }; |
56372082 | 169 | |
a150b085 | 170 | struct bcr_iccm_arcompact { |
af617428 VG |
171 | #ifdef CONFIG_CPU_BIG_ENDIAN |
172 | unsigned int base:16, pad:5, sz:3, ver:8; | |
173 | #else | |
174 | unsigned int ver:8, sz:3, pad:5, base:16; | |
175 | #endif | |
176 | }; | |
177 | ||
a150b085 | 178 | struct bcr_iccm_arcv2 { |
af617428 | 179 | #ifdef CONFIG_CPU_BIG_ENDIAN |
a150b085 | 180 | unsigned int pad:8, sz11:4, sz01:4, sz10:4, sz00:4, ver:8; |
af617428 | 181 | #else |
a150b085 | 182 | unsigned int ver:8, sz00:4, sz10:4, sz01:4, sz11:4, pad:8; |
af617428 VG |
183 | #endif |
184 | }; | |
185 | ||
a150b085 | 186 | struct bcr_dccm_arcompact { |
af617428 VG |
187 | #ifdef CONFIG_CPU_BIG_ENDIAN |
188 | unsigned int res:21, sz:3, ver:8; | |
189 | #else | |
190 | unsigned int ver:8, sz:3, res:21; | |
191 | #endif | |
192 | }; | |
193 | ||
a150b085 VG |
194 | struct bcr_dccm_arcv2 { |
195 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
196 | unsigned int pad2:12, cyc:3, pad1:1, sz1:4, sz0:4, ver:8; | |
197 | #else | |
198 | unsigned int ver:8, sz0:4, sz1:4, pad1:1, cyc:3, pad2:12; | |
199 | #endif | |
200 | }; | |
201 | ||
56372082 VG |
202 | /* ARCompact: Both SP and DP FPU BCRs have same format */ |
203 | struct bcr_fp_arcompact { | |
af617428 VG |
204 | #ifdef CONFIG_CPU_BIG_ENDIAN |
205 | unsigned int fast:1, ver:8; | |
206 | #else | |
207 | unsigned int ver:8, fast:1; | |
208 | #endif | |
209 | }; | |
210 | ||
1f6ccfff VG |
211 | struct bcr_fp_arcv2 { |
212 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
213 | unsigned int pad2:15, dp:1, pad1:7, sp:1, ver:8; | |
214 | #else | |
215 | unsigned int ver:8, sp:1, pad1:7, dp:1, pad2:15; | |
216 | #endif | |
217 | }; | |
218 | ||
b26c2e38 | 219 | #include <soc/arc/timers.h> |
56372082 VG |
220 | |
221 | struct bcr_bpu_arcompact { | |
222 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
223 | unsigned int pad2:19, fam:1, pad:2, ent:2, ver:8; | |
224 | #else | |
225 | unsigned int ver:8, ent:2, pad:2, fam:1, pad2:19; | |
226 | #endif | |
227 | }; | |
228 | ||
1f6ccfff VG |
229 | struct bcr_bpu_arcv2 { |
230 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
231 | unsigned int pad:6, fbe:2, tqe:2, ts:4, ft:1, rse:2, pte:3, bce:3, ver:8; | |
232 | #else | |
233 | unsigned int ver:8, bce:3, pte:3, rse:2, ft:1, ts:4, tqe:2, fbe:2, pad:6; | |
234 | #endif | |
235 | }; | |
236 | ||
f3156851 VG |
237 | /* Error Protection Build: ECC/Parity */ |
238 | struct bcr_erp { | |
239 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
240 | unsigned int pad3:5, mmu:3, pad2:4, ic:3, dc:3, pad1:6, ver:8; | |
241 | #else | |
242 | unsigned int ver:8, pad1:6, dc:3, ic:3, pad2:4, mmu:3, pad3:5; | |
243 | #endif | |
244 | }; | |
245 | ||
246 | /* Error Protection Control */ | |
247 | struct ctl_erp { | |
248 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
249 | unsigned int pad2:27, mpd:1, pad1:2, dpd:1, dpi:1; | |
250 | #else | |
251 | unsigned int dpi:1, dpd:1, pad1:2, mpd:1, pad2:27; | |
252 | #endif | |
253 | }; | |
254 | ||
255 | struct bcr_lpb { | |
256 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
257 | unsigned int pad:16, entries:8, ver:8; | |
258 | #else | |
259 | unsigned int ver:8, entries:8, pad:16; | |
260 | #endif | |
261 | }; | |
262 | ||
56372082 VG |
263 | struct bcr_generic { |
264 | #ifdef CONFIG_CPU_BIG_ENDIAN | |
a150b085 | 265 | unsigned int info:24, ver:8; |
56372082 | 266 | #else |
a150b085 | 267 | unsigned int ver:8, info:24; |
56372082 VG |
268 | #endif |
269 | }; | |
270 | ||
95d6976d VG |
271 | /* |
272 | ******************************************************************* | |
273 | * Generic structures to hold build configuration used at runtime | |
274 | */ | |
275 | ||
cc562d2e | 276 | struct cpuinfo_arc_mmu { |
d0890ea5 | 277 | unsigned int ver:4, pg_sz_k:8, s_pg_sz_m:8, pad:10, sasid:1, pae:1; |
b598e17f | 278 | unsigned int sets:12, ways:4, u_dtlb:8, u_itlb:8; |
cc562d2e VG |
279 | }; |
280 | ||
95d6976d | 281 | struct cpuinfo_arc_cache { |
f64915be | 282 | unsigned int sz_k:14, line_len:8, assoc:4, alias:1, vipt:1, pad:4; |
95d6976d VG |
283 | }; |
284 | ||
56372082 | 285 | struct cpuinfo_arc_bpu { |
97e98132 | 286 | unsigned int ver, full, num_cache, num_pred, ret_stk; |
56372082 VG |
287 | }; |
288 | ||
af617428 VG |
289 | struct cpuinfo_arc_ccm { |
290 | unsigned int base_addr, sz; | |
291 | }; | |
292 | ||
95d6976d | 293 | struct cpuinfo_arc { |
d1f317d8 | 294 | struct cpuinfo_arc_cache icache, dcache, slc; |
cc562d2e | 295 | struct cpuinfo_arc_mmu mmu; |
56372082 | 296 | struct cpuinfo_arc_bpu bpu; |
af617428 | 297 | struct bcr_identity core; |
010a8c98 | 298 | struct bcr_isa_arcv2 isa; |
d975cbc8 | 299 | const char *details, *name; |
af617428 | 300 | unsigned int vec_base; |
af617428 | 301 | struct cpuinfo_arc_ccm iccm, dccm; |
56372082 | 302 | struct { |
a024fd9b | 303 | unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, swape:1, pad1:2, |
f3156851 | 304 | fpu_sp:1, fpu_dp:1, dual:1, dual_enb:1, pad2:4, |
56372082 | 305 | debug:1, ap:1, smart:1, rtt:1, pad3:4, |
b89bd1f4 | 306 | timer0:1, timer1:1, rtc:1, gfrc:1, pad4:4; |
56372082 VG |
307 | } extn; |
308 | struct bcr_mpy extn_mpy; | |
af617428 | 309 | struct bcr_extn_xymem extn_xymem; |
95d6976d VG |
310 | }; |
311 | ||
312 | extern struct cpuinfo_arc cpuinfo_arc700[]; | |
313 | ||
1f6ccfff VG |
314 | static inline int is_isa_arcv2(void) |
315 | { | |
316 | return IS_ENABLED(CONFIG_ISA_ARCV2); | |
317 | } | |
318 | ||
319 | static inline int is_isa_arcompact(void) | |
320 | { | |
321 | return IS_ENABLED(CONFIG_ISA_ARCOMPACT); | |
322 | } | |
323 | ||
ac4c244d VG |
324 | #endif /* __ASEMBLY__ */ |
325 | ||
ac4c244d | 326 | #endif /* _ASM_ARC_ARCREGS_H */ |