1 /*
2  * AVR32 System Registers
3  *
4  * Copyright (C) 2004-2006 Atmel Corporation
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #ifndef __ASM_AVR32_SYSREG_H
11 #define __ASM_AVR32_SYSREG_H
12 
13 /* sysreg register offsets */
14 #define SYSREG_SR				0x0000
15 #define SYSREG_EVBA				0x0004
16 #define SYSREG_ACBA				0x0008
17 #define SYSREG_CPUCR				0x000c
18 #define SYSREG_ECR				0x0010
19 #define SYSREG_RSR_SUP				0x0014
20 #define SYSREG_RSR_INT0				0x0018
21 #define SYSREG_RSR_INT1				0x001c
22 #define SYSREG_RSR_INT2				0x0020
23 #define SYSREG_RSR_INT3				0x0024
24 #define SYSREG_RSR_EX				0x0028
25 #define SYSREG_RSR_NMI				0x002c
26 #define SYSREG_RSR_DBG				0x0030
27 #define SYSREG_RAR_SUP				0x0034
28 #define SYSREG_RAR_INT0				0x0038
29 #define SYSREG_RAR_INT1				0x003c
30 #define SYSREG_RAR_INT2				0x0040
31 #define SYSREG_RAR_INT3				0x0044
32 #define SYSREG_RAR_EX				0x0048
33 #define SYSREG_RAR_NMI				0x004c
34 #define SYSREG_RAR_DBG				0x0050
35 #define SYSREG_JECR				0x0054
36 #define SYSREG_JOSP				0x0058
37 #define SYSREG_JAVA_LV0				0x005c
38 #define SYSREG_JAVA_LV1				0x0060
39 #define SYSREG_JAVA_LV2				0x0064
40 #define SYSREG_JAVA_LV3				0x0068
41 #define SYSREG_JAVA_LV4				0x006c
42 #define SYSREG_JAVA_LV5				0x0070
43 #define SYSREG_JAVA_LV6				0x0074
44 #define SYSREG_JAVA_LV7				0x0078
45 #define SYSREG_JTBA				0x007c
46 #define SYSREG_JBCR				0x0080
47 #define SYSREG_CONFIG0				0x0100
48 #define SYSREG_CONFIG1				0x0104
49 #define SYSREG_COUNT				0x0108
50 #define SYSREG_COMPARE				0x010c
51 #define SYSREG_TLBEHI				0x0110
52 #define SYSREG_TLBELO				0x0114
53 #define SYSREG_PTBR				0x0118
54 #define SYSREG_TLBEAR				0x011c
55 #define SYSREG_MMUCR				0x0120
56 #define SYSREG_TLBARLO				0x0124
57 #define SYSREG_TLBARHI				0x0128
58 #define SYSREG_PCCNT				0x012c
59 #define SYSREG_PCNT0				0x0130
60 #define SYSREG_PCNT1				0x0134
61 #define SYSREG_PCCR				0x0138
62 #define SYSREG_BEAR				0x013c
63 #define SYSREG_SABAL				0x0300
64 #define SYSREG_SABAH				0x0304
65 #define SYSREG_SABD				0x0308
66 
67 /* Bitfields in SR */
68 #define SYSREG_SR_C_OFFSET			0
69 #define SYSREG_SR_C_SIZE			1
70 #define SYSREG_Z_OFFSET				1
71 #define SYSREG_Z_SIZE				1
72 #define SYSREG_SR_N_OFFSET			2
73 #define SYSREG_SR_N_SIZE			1
74 #define SYSREG_SR_V_OFFSET			3
75 #define SYSREG_SR_V_SIZE			1
76 #define SYSREG_Q_OFFSET				4
77 #define SYSREG_Q_SIZE				1
78 #define SYSREG_L_OFFSET				5
79 #define SYSREG_L_SIZE				1
80 #define SYSREG_T_OFFSET				14
81 #define SYSREG_T_SIZE				1
82 #define SYSREG_SR_R_OFFSET			15
83 #define SYSREG_SR_R_SIZE			1
84 #define SYSREG_GM_OFFSET			16
85 #define SYSREG_GM_SIZE				1
86 #define SYSREG_I0M_OFFSET			17
87 #define SYSREG_I0M_SIZE				1
88 #define SYSREG_I1M_OFFSET			18
89 #define SYSREG_I1M_SIZE				1
90 #define SYSREG_I2M_OFFSET			19
91 #define SYSREG_I2M_SIZE				1
92 #define SYSREG_I3M_OFFSET			20
93 #define SYSREG_I3M_SIZE				1
94 #define SYSREG_EM_OFFSET			21
95 #define SYSREG_EM_SIZE				1
96 #define SYSREG_MODE_OFFSET			22
97 #define SYSREG_MODE_SIZE			3
98 #define SYSREG_M0_OFFSET			22
99 #define SYSREG_M0_SIZE				1
100 #define SYSREG_M1_OFFSET			23
101 #define SYSREG_M1_SIZE				1
102 #define SYSREG_M2_OFFSET			24
103 #define SYSREG_M2_SIZE				1
104 #define SYSREG_SR_D_OFFSET			26
105 #define SYSREG_SR_D_SIZE			1
106 #define SYSREG_DM_OFFSET			27
107 #define SYSREG_DM_SIZE				1
108 #define SYSREG_SR_J_OFFSET			28
109 #define SYSREG_SR_J_SIZE			1
110 #define SYSREG_H_OFFSET				29
111 #define SYSREG_H_SIZE				1
112 
113 /* Bitfields in CPUCR */
114 #define SYSREG_BI_OFFSET			0
115 #define SYSREG_BI_SIZE				1
116 #define SYSREG_BE_OFFSET			1
117 #define SYSREG_BE_SIZE				1
118 #define SYSREG_FE_OFFSET			2
119 #define SYSREG_FE_SIZE				1
120 #define SYSREG_RE_OFFSET			3
121 #define SYSREG_RE_SIZE				1
122 #define SYSREG_IBE_OFFSET			4
123 #define SYSREG_IBE_SIZE				1
124 #define SYSREG_IEE_OFFSET			5
125 #define SYSREG_IEE_SIZE				1
126 
127 /* Bitfields in CONFIG0 */
128 #define SYSREG_CONFIG0_R_OFFSET			0
129 #define SYSREG_CONFIG0_R_SIZE			1
130 #define SYSREG_CONFIG0_D_OFFSET			1
131 #define SYSREG_CONFIG0_D_SIZE			1
132 #define SYSREG_CONFIG0_S_OFFSET			2
133 #define SYSREG_CONFIG0_S_SIZE			1
134 #define SYSREG_CONFIG0_O_OFFSET			3
135 #define SYSREG_CONFIG0_O_SIZE			1
136 #define SYSREG_CONFIG0_P_OFFSET			4
137 #define SYSREG_CONFIG0_P_SIZE			1
138 #define SYSREG_CONFIG0_J_OFFSET			5
139 #define SYSREG_CONFIG0_J_SIZE			1
140 #define SYSREG_CONFIG0_F_OFFSET			6
141 #define SYSREG_CONFIG0_F_SIZE			1
142 #define SYSREG_MMUT_OFFSET			7
143 #define SYSREG_MMUT_SIZE			3
144 #define SYSREG_AR_OFFSET			10
145 #define SYSREG_AR_SIZE				3
146 #define SYSREG_AT_OFFSET			13
147 #define SYSREG_AT_SIZE				3
148 #define SYSREG_PROCESSORREVISION_OFFSET		16
149 #define SYSREG_PROCESSORREVISION_SIZE		8
150 #define SYSREG_PROCESSORID_OFFSET		24
151 #define SYSREG_PROCESSORID_SIZE			8
152 
153 /* Bitfields in CONFIG1 */
154 #define SYSREG_DASS_OFFSET			0
155 #define SYSREG_DASS_SIZE			3
156 #define SYSREG_DLSZ_OFFSET			3
157 #define SYSREG_DLSZ_SIZE			3
158 #define SYSREG_DSET_OFFSET			6
159 #define SYSREG_DSET_SIZE			4
160 #define SYSREG_IASS_OFFSET			10
161 #define SYSREG_IASS_SIZE			3
162 #define SYSREG_ILSZ_OFFSET			13
163 #define SYSREG_ILSZ_SIZE			3
164 #define SYSREG_ISET_OFFSET			16
165 #define SYSREG_ISET_SIZE			4
166 #define SYSREG_DMMUSZ_OFFSET			20
167 #define SYSREG_DMMUSZ_SIZE			6
168 #define SYSREG_IMMUSZ_OFFSET			26
169 #define SYSREG_IMMUSZ_SIZE			6
170 
171 /* Bitfields in TLBEHI */
172 #define SYSREG_ASID_OFFSET			0
173 #define SYSREG_ASID_SIZE			8
174 #define SYSREG_TLBEHI_I_OFFSET			8
175 #define SYSREG_TLBEHI_I_SIZE			1
176 #define SYSREG_TLBEHI_V_OFFSET			9
177 #define SYSREG_TLBEHI_V_SIZE			1
178 #define SYSREG_VPN_OFFSET			10
179 #define SYSREG_VPN_SIZE				22
180 
181 /* Bitfields in TLBELO */
182 #define SYSREG_W_OFFSET				0
183 #define SYSREG_W_SIZE				1
184 #define SYSREG_TLBELO_D_OFFSET			1
185 #define SYSREG_TLBELO_D_SIZE			1
186 #define SYSREG_SZ_OFFSET			2
187 #define SYSREG_SZ_SIZE				2
188 #define SYSREG_AP_OFFSET			4
189 #define SYSREG_AP_SIZE				3
190 #define SYSREG_B_OFFSET				7
191 #define SYSREG_B_SIZE				1
192 #define SYSREG_G_OFFSET				8
193 #define SYSREG_G_SIZE				1
194 #define SYSREG_TLBELO_C_OFFSET			9
195 #define SYSREG_TLBELO_C_SIZE			1
196 #define SYSREG_PFN_OFFSET			10
197 #define SYSREG_PFN_SIZE				22
198 
199 /* Bitfields in MMUCR */
200 #define SYSREG_E_OFFSET				0
201 #define SYSREG_E_SIZE				1
202 #define SYSREG_M_OFFSET				1
203 #define SYSREG_M_SIZE				1
204 #define SYSREG_MMUCR_I_OFFSET			2
205 #define SYSREG_MMUCR_I_SIZE			1
206 #define SYSREG_MMUCR_N_OFFSET			3
207 #define SYSREG_MMUCR_N_SIZE			1
208 #define SYSREG_MMUCR_S_OFFSET			4
209 #define SYSREG_MMUCR_S_SIZE			1
210 #define SYSREG_DLA_OFFSET			8
211 #define SYSREG_DLA_SIZE				6
212 #define SYSREG_DRP_OFFSET			14
213 #define SYSREG_DRP_SIZE				6
214 #define SYSREG_ILA_OFFSET			20
215 #define SYSREG_ILA_SIZE				6
216 #define SYSREG_IRP_OFFSET			26
217 #define SYSREG_IRP_SIZE				6
218 
219 /* Bitfields in PCCR */
220 #define SYSREG_PCCR_E_OFFSET			0
221 #define SYSREG_PCCR_E_SIZE			1
222 #define SYSREG_PCCR_R_OFFSET			1
223 #define SYSREG_PCCR_R_SIZE			1
224 #define SYSREG_PCCR_C_OFFSET			2
225 #define SYSREG_PCCR_C_SIZE			1
226 #define SYSREG_PCCR_S_OFFSET			3
227 #define SYSREG_PCCR_S_SIZE			1
228 #define SYSREG_IEC_OFFSET			4
229 #define SYSREG_IEC_SIZE				1
230 #define SYSREG_IE0_OFFSET			5
231 #define SYSREG_IE0_SIZE				1
232 #define SYSREG_IE1_OFFSET			6
233 #define SYSREG_IE1_SIZE				1
234 #define SYSREG_FC_OFFSET			8
235 #define SYSREG_FC_SIZE				1
236 #define SYSREG_F0_OFFSET			9
237 #define SYSREG_F0_SIZE				1
238 #define SYSREG_F1_OFFSET			10
239 #define SYSREG_F1_SIZE				1
240 #define SYSREG_CONF0_OFFSET			12
241 #define SYSREG_CONF0_SIZE			6
242 #define SYSREG_CONF1_OFFSET			18
243 #define SYSREG_CONF1_SIZE			6
244 
245 /* Constants for ECR */
246 #define ECR_UNRECOVERABLE			0
247 #define ECR_TLB_MULTIPLE			1
248 #define ECR_BUS_ERROR_WRITE			2
249 #define ECR_BUS_ERROR_READ			3
250 #define ECR_NMI					4
251 #define ECR_ADDR_ALIGN_X			5
252 #define ECR_PROTECTION_X			6
253 #define ECR_DEBUG				7
254 #define ECR_ILLEGAL_OPCODE			8
255 #define ECR_UNIMPL_INSTRUCTION			9
256 #define ECR_PRIVILEGE_VIOLATION			10
257 #define ECR_FPE					11
258 #define ECR_COPROC_ABSENT			12
259 #define ECR_ADDR_ALIGN_R			13
260 #define ECR_ADDR_ALIGN_W			14
261 #define ECR_PROTECTION_R			15
262 #define ECR_PROTECTION_W			16
263 #define ECR_DTLB_MODIFIED			17
264 #define ECR_TLB_MISS_X				20
265 #define ECR_TLB_MISS_R				24
266 #define ECR_TLB_MISS_W				28
267 
268 /* Bit manipulation macros */
269 #define SYSREG_BIT(name)				\
270 	(1 << SYSREG_##name##_OFFSET)
271 #define SYSREG_BF(name,value)				\
272 	(((value) & ((1 << SYSREG_##name##_SIZE) - 1))	\
273 	 << SYSREG_##name##_OFFSET)
274 #define SYSREG_BFEXT(name,value)\
275 	(((value) >> SYSREG_##name##_OFFSET)		\
276 	 & ((1 << SYSREG_##name##_SIZE) - 1))
277 #define SYSREG_BFINS(name,value,old)			\
278 	(((old) & ~(((1 << SYSREG_##name##_SIZE) - 1)	\
279 		    << SYSREG_##name##_OFFSET))		\
280 	 | SYSREG_BF(name,value))
281 
282 /* Register access macros */
283 #ifdef __CHECKER__
284 extern unsigned long __builtin_mfsr(unsigned long reg);
285 extern void __builtin_mtsr(unsigned long reg, unsigned long value);
286 #endif
287 
288 #define sysreg_read(reg)		__builtin_mfsr(SYSREG_##reg)
289 #define sysreg_write(reg, value)	__builtin_mtsr(SYSREG_##reg, value)
290 
291 #endif /* __ASM_AVR32_SYSREG_H */
292