xref: /netbsd/sys/arch/mips/include/mipsNN.h (revision 6550d01e)
1 /*	$NetBSD: mipsNN.h,v 1.4 2006/03/20 18:31:29 gdamore Exp $	*/
2 
3 /*
4  * Copyright 2000, 2001
5  * Broadcom Corporation. All rights reserved.
6  *
7  * This software is furnished under license and may be used and copied only
8  * in accordance with the following terms and conditions.  Subject to these
9  * conditions, you may download, copy, install, use, modify and distribute
10  * modified or unmodified copies of this software in source and/or binary
11  * form. No title or ownership is transferred hereby.
12  *
13  * 1) Any source code used, modified or distributed must reproduce and
14  *    retain this copyright notice and list of conditions as they appear in
15  *    the source file.
16  *
17  * 2) No right is granted to use any trade name, trademark, or logo of
18  *    Broadcom Corporation.  The "Broadcom Corporation" name may not be
19  *    used to endorse or promote products derived from this software
20  *    without the prior written permission of Broadcom Corporation.
21  *
22  * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
23  *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
24  *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
25  *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
26  *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
27  *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
32  *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 /*
36  * Values related to the MIPS32/MIPS64 Privileged Resource Architecture.
37  */
38 
39 #define	_MIPSNN_SHIFT(reg)	__MIPSNN_SHIFT(reg)
40 #define	__MIPSNN_SHIFT(reg)	MIPSNN_ ## reg ## _SHIFT
41 #define	_MIPSNN_MASK(reg)	__MIPSNN_MASK(reg)
42 #define	__MIPSNN_MASK(reg)	MIPSNN_ ## reg ## _MASK
43 
44 #define	MIPSNN_GET(reg, x)						\
45     ((unsigned)((x) & _MIPSNN_MASK(reg)) >> _MIPSNN_SHIFT(reg))
46 #define	MIPSNN_PUT(reg, val)						\
47     (((x) << _MIPSNN_SHIFT(reg)) & _MIPSNN_MASK(reg))
48 
49 /*
50  * Values in Configuration Register (CP0 Register 16, Select 0)
51  */
52 
53 /* "M" (R): Configuration Register 1 present if set.  Defined as always set. */
54 #define	MIPSNN_CFG_M		0x80000000
55 
56 /* Reserved for CPU implementations. */
57 //	reserved		0x7fff0000
58 
59 /* "BE" (R): Big endian if set, little endian if clear. */
60 #define	MIPSNN_CFG_BE		0x00008000
61 
62 /* "AT" (R): architecture type implemented by processor */
63 #define	MIPSNN_CFG_AT_MASK	0x00006000
64 #define	MIPSNN_CFG_AT_SHIFT	13
65 
66 #define	MIPSNN_CFG_AT_MIPS32	0		/* MIPS32 */
67 #define	MIPSNN_CFG_AT_MIPS64S	1		/* MIPS64S */
68 #define	MIPSNN_CFG_AT_MIPS64	2		/* MIPS64 */
69 //	reserved		3
70 
71 /* "AR" (R): Architecture revision level implemented by proc. */
72 #define	MIPSNN_CFG_AR_MASK	0x00001c00
73 #define	MIPSNN_CFG_AR_SHIFT	10
74 
75 #define	MIPSNN_CFG_AR_REV1	0		/* Revision 1 */
76 #define	MIPSNN_CFG_AR_REV2	1		/* Revision 2 */
77 //	reserved		other values
78 
79 /* "MT" (R): MMU type implemented by processor */
80 #define	MIPSNN_CFG_MT_MASK	0x00000380
81 #define	MIPSNN_CFG_MT_SHIFT	7
82 
83 #define	MIPSNN_CFG_MT_NONE	0		/* No MMU */
84 #define	MIPSNN_CFG_MT_TLB	1		/* Std TLB */
85 #define	MIPSNN_CFG_MT_BAT	2		/* Std BAT */
86 #define	MIPSNN_CFG_MT_FIXED	3		/* Std Fixed mapping */
87 //	reserved		other values
88 
89 /* Reserved.  Write as 0, reads as 0. */
90 //	reserved		0x00000070
91 
92 /* "M" (R): Virtual instruction cache if set. */
93 #define	MIPSNN_CFG_VI		0x00000008
94 
95 /* "K0" (RW): Kseg0 coherency algorithm.  (values are TLB_ATTRs) */
96 #define	MIPSNN_CFG_K0_MASK	0x00000007
97 #define	MIPSNN_CFG_K0_SHIFT	0
98 
99 
100 /*
101  * Values in Configuration Register 1 (CP0 Register 16, Select 1)
102  */
103 
104 /* M (R): Configuration Register 2 present. */
105 #define	MIPSNN_CFG1_M		0x80000000
106 
107 /* MS (R): Number of TLB entries - 1. */
108 #define	MIPSNN_CFG1_MS_MASK	0x7e000000
109 #define	MIPSNN_CFG1_MS_SHIFT	25
110 
111 #define	MIPSNN_CFG1_MS(x)	(MIPSNN_GET(CFG1_MS, (x)) + 1)
112 
113 /* "IS" (R): (Primary) I-cache sets per way. */
114 #define	MIPSNN_CFG1_IS_MASK	0x01c00000
115 #define	MIPSNN_CFG1_IS_SHIFT	22
116 
117 #define	MIPSNN_CFG1_IS_RSVD	7		/* rsvd value, otherwise: */
118 #define	MIPSNN_CFG1_IS(x)	(64 << MIPSNN_GET(CFG1_IS, (x)))
119 
120 /* "IL" (R): (Primary) I-cache line size. */
121 #define	MIPSNN_CFG1_IL_MASK	0x00380000
122 #define	MIPSNN_CFG1_IL_SHIFT	19
123 
124 #define	MIPSNN_CFG1_IL_NONE	0		/* No I-cache, */
125 #define	MIPSNN_CFG1_IL_RSVD	7		/* rsvd value, otherwise: */
126 #define	MIPSNN_CFG1_IL(x)	(2 << MIPSNN_GET(CFG1_IL, (x)))
127 
128 /* "IA" (R): (Primary) I-cache associativity (ways - 1). */
129 #define	MIPSNN_CFG1_IA_MASK	0x00070000
130 #define	MIPSNN_CFG1_IA_SHIFT	16
131 
132 #define	MIPSNN_CFG1_IA(x)	MIPSNN_GET(CFG1_IA, (x))
133 
134 /* "DS" (R): (Primary) D-cache sets per way. */
135 #define	MIPSNN_CFG1_DS_MASK	0x0000e000
136 #define	MIPSNN_CFG1_DS_SHIFT	13
137 
138 #define	MIPSNN_CFG1_DS_RSVD	7		/* rsvd value, otherwise: */
139 #define	MIPSNN_CFG1_DS(x)	(64 << MIPSNN_GET(CFG1_DS, (x)))
140 
141 /* "DL" (R): (Primary) D-cache line size. */
142 #define	MIPSNN_CFG1_DL_MASK	0x00001c00
143 #define	MIPSNN_CFG1_DL_SHIFT	10
144 
145 #define	MIPSNN_CFG1_DL_NONE	0		/* No D-cache, */
146 #define	MIPSNN_CFG1_DL_RSVD	7		/* rsvd value, otherwise: */
147 #define	MIPSNN_CFG1_DL(x)	(2 << MIPSNN_GET(CFG1_DL, (x)))
148 
149 /* "DA" (R): (Primary) D-cache associativity (ways - 1). */
150 #define	MIPSNN_CFG1_DA_MASK	0x00000380
151 #define	MIPSNN_CFG1_DA_SHIFT	7
152 
153 #define	MIPSNN_CFG1_DA(x)	MIPSNN_GET(CFG1_DA, (x))
154 
155 /* "C2" (R): Coprocessor 2 implemented if set. */
156 #define MIPSNN_CFG1_C2		0x00000040
157 
158 /* "MD" (R): MDMX ASE implemented if set. */
159 #define MIPSNN_CFG1_MD		0x00000020
160 
161 /* "PC" (R): Performance Counters implemented if set. */
162 #define	MIPSNN_CFG1_PC		0x00000010
163 
164 /* "WR" (R): Watch registers implemented if set. */
165 #define	MIPSNN_CFG1_WR		0x00000008
166 
167 /* "CA" (R): Code compressiong (MIPS16) implemented if set. */
168 #define	MIPSNN_CFG1_CA		0x00000004
169 
170 /* "EP" (R): EJTAG implemented if set. */
171 #define	MIPSNN_CFG1_EP		0x00000002
172 
173 /* "FP" (R): FPU implemented if set. */
174 #define	MIPSNN_CFG1_FP		0x00000001
175 
176 /*
177  * Values in Configuration Register 2 (CP0 Register 16, Select 2)
178  */
179 
180 /* "M" (R): Configuration Register 3 present. */
181 #define	MIPSNN_CFG2_M		0x80000000
182 
183 /* "TU" (RW): Implementation specific tertiary cache status and control. */
184 #define	MIPSNN_CFG2_TU_MASK	0x70000000
185 #define	MIPSNN_CFG2_TU_SHIFT	28
186 
187 /* "TS" (R): Tertiary cache sets per way. */
188 #define	MIPSNN_CFG2_TS_MASK	0x07000000
189 #define	MIPSNN_CFG2_TS_SHIFT	24
190 
191 #define	MIPSNN_CFG2_TS(x)	(64 << MIPSNN_GET(CFG2_TS, (x)))
192 
193 /* "TL" (R): Tertiary cache line size. */
194 #define	MIPSNN_CFG2_TL_MASK	0x00700000
195 #define	MIPSNN_CFG2_TL_SHIFT	20
196 
197 #define	MIPSNN_CFG2_TL_NONE	0		/* No Tertiary cache */
198 #define	MIPSNN_CFG2_TL(x)	(2 << MIPSNN_GET(CFG2_TL, (x)))
199 
200 /* "TA" (R): Tertiary cache associativity (ways - 1). */
201 #define	MIPSNN_CFG2_TA_MASK	0x00070000
202 #define	MIPSNN_CFG2_TA_SHIFT	16
203 
204 #define	MIPSNN_CFG2_TA(x)	MIPSNN_GET(CFG2_TA, (x))
205 
206 /* "SU" (RW): Implementation specific secondary cache status and control. */
207 #define	MIPSNN_CFG2_SU_MASK	0x0000f000
208 #define	MIPSNN_CFG2_SU_SHIFT	12
209 
210 /* "SS" (R): Secondary cache sets per way. */
211 #define	MIPSNN_CFG2_SS_MASK	0x00000700
212 #define	MIPSNN_CFG2_SS_SHIFT	8
213 
214 #define	MIPSNN_CFG2_SS(x)	(64 << MIPSNN_GET(CFG2_SS, (x)))
215 
216 /* "SL" (R): Secdonary cache line size. */
217 #define	MIPSNN_CFG2_SL_MASK	0x00000070
218 #define	MIPSNN_CFG2_SL_SHIFT	4
219 
220 #define	MIPSNN_CFG2_SL_NONE	0		/* No Secondary cache */
221 #define	MIPSNN_CFG2_SL(x)	(2 << MIPSNN_GET(CFG2_SL, (x)))
222 
223 /* "SA" (R): Secondary cache associativity (ways - 1). */
224 #define	MIPSNN_CFG2_SA_MASK	0x00000007
225 #define	MIPSNN_CFG2_SA_SHIFT	0
226 
227 #define	MIPSNN_CFG2_SA(x)	MIPSNN_GET(CFG2_SA, (x))
228 
229 /*
230  * Values in Configuration Register 3 (CP0 Register 16, Select 3)
231  */
232 
233 /* "M" (R): Configuration Register 4 present. */
234 #define	MIPSNN_CFG3_M		0x80000000
235 
236 /* "DSPP" (R): DSPP ASE extension present. */
237 #define	MIPSNN_CFG3_DSPP	0x00000400
238 
239 /* "LPA" (R): Large physical addresses implemented. (MIPS64 rev 2 only). */
240 #define	MIPSNN_CFG3_LPA		0x00000080
241 
242 /* "VEIC" (R): External interrupt controller present. (rev 2 only). */
243 #define	MIPSNN_CFG3_VEIC	0x00000040
244 
245 /* "VINT" (R): Vectored interrupts implemented. (rev 2 only). */
246 #define	MIPSNN_CFG3_VINT	0x00000020
247 
248 /* "SP" (R): Small (1K) page support implemented. (rev 2 only). */
249 #define	MIPSNN_CFG3_SP		0x00000010
250 
251 /* "MT" (R): MT ASE extension implemented. */
252 #define	MIPSNN_CFG3_MT		0x00000004
253 
254 /* "SM" (R): SmartMIPS ASE extension implemented. */
255 #define	MIPSNN_CFG3_SM		0x00000002
256 
257 /* "TL" (R): Trace Logic implemented. */
258 #define	MIPSNN_CFG3_TL		0x00000001
259