1 /*
2  * Copyright (c) 2010 Broadcom Corporation
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef	_SBCONFIG_H
18 #define	_SBCONFIG_H
19 
20 /* cpp contortions to concatenate w/arg prescan */
21 #ifndef PAD
22 #define	_PADLINE(line)	pad ## line
23 #define	_XSTR(line)	_PADLINE(line)
24 #define	PAD		_XSTR(__LINE__)
25 #endif
26 
27 /* enumeration in SB is based on the premise that cores are contiguos in the
28  * enumeration space.
29  */
30 #define SB_BUS_SIZE		0x10000	/* Each bus gets 64Kbytes for cores */
31 #define SB_BUS_BASE(b)		(SI_ENUM_BASE + (b) * SB_BUS_SIZE)
32 #define	SB_BUS_MAXCORES		(SB_BUS_SIZE / SI_CORE_SIZE)	/* Max cores per bus */
33 
34 /*
35  * Sonics Configuration Space Registers.
36  */
37 #define	SBCONFIGOFF		0xf00	/* core sbconfig regs are top 256bytes of regs */
38 #define	SBCONFIGSIZE		256	/* sizeof (sbconfig_t) */
39 
40 #define SBIPSFLAG		0x08
41 #define SBTPSFLAG		0x18
42 #define	SBTMERRLOGA		0x48	/* sonics >= 2.3 */
43 #define	SBTMERRLOG		0x50	/* sonics >= 2.3 */
44 #define SBADMATCH3		0x60
45 #define SBADMATCH2		0x68
46 #define SBADMATCH1		0x70
47 #define SBIMSTATE		0x90
48 #define SBINTVEC		0x94
49 #define SBTMSTATELOW		0x98
50 #define SBTMSTATEHIGH		0x9c
51 #define SBBWA0			0xa0
52 #define SBIMCONFIGLOW		0xa8
53 #define SBIMCONFIGHIGH		0xac
54 #define SBADMATCH0		0xb0
55 #define SBTMCONFIGLOW		0xb8
56 #define SBTMCONFIGHIGH		0xbc
57 #define SBBCONFIG		0xc0
58 #define SBBSTATE		0xc8
59 #define SBACTCNFG		0xd8
60 #define	SBFLAGST		0xe8
61 #define SBIDLOW			0xf8
62 #define SBIDHIGH		0xfc
63 
64 /* All the previous registers are above SBCONFIGOFF, but with Sonics 2.3, we have
65  * a few registers *below* that line. I think it would be very confusing to try
66  * and change the value of SBCONFIGOFF, so I'm definig them as absolute offsets here,
67  */
68 
69 #define SBIMERRLOGA		0xea8
70 #define SBIMERRLOG		0xeb0
71 #define SBTMPORTCONNID0		0xed8
72 #define SBTMPORTLOCK0		0xef8
73 
74 #ifndef _LANGUAGE_ASSEMBLY
75 
76 typedef volatile struct _sbconfig {
77 	u32 PAD[2];
78 	u32 sbipsflag;	/* initiator port ocp slave flag */
79 	u32 PAD[3];
80 	u32 sbtpsflag;	/* target port ocp slave flag */
81 	u32 PAD[11];
82 	u32 sbtmerrloga;	/* (sonics >= 2.3) */
83 	u32 PAD;
84 	u32 sbtmerrlog;	/* (sonics >= 2.3) */
85 	u32 PAD[3];
86 	u32 sbadmatch3;	/* address match3 */
87 	u32 PAD;
88 	u32 sbadmatch2;	/* address match2 */
89 	u32 PAD;
90 	u32 sbadmatch1;	/* address match1 */
91 	u32 PAD[7];
92 	u32 sbimstate;	/* initiator agent state */
93 	u32 sbintvec;	/* interrupt mask */
94 	u32 sbtmstatelow;	/* target state */
95 	u32 sbtmstatehigh;	/* target state */
96 	u32 sbbwa0;		/* bandwidth allocation table0 */
97 	u32 PAD;
98 	u32 sbimconfiglow;	/* initiator configuration */
99 	u32 sbimconfighigh;	/* initiator configuration */
100 	u32 sbadmatch0;	/* address match0 */
101 	u32 PAD;
102 	u32 sbtmconfiglow;	/* target configuration */
103 	u32 sbtmconfighigh;	/* target configuration */
104 	u32 sbbconfig;	/* broadcast configuration */
105 	u32 PAD;
106 	u32 sbbstate;	/* broadcast state */
107 	u32 PAD[3];
108 	u32 sbactcnfg;	/* activate configuration */
109 	u32 PAD[3];
110 	u32 sbflagst;	/* current sbflags */
111 	u32 PAD[3];
112 	u32 sbidlow;		/* identification */
113 	u32 sbidhigh;	/* identification */
114 } sbconfig_t;
115 
116 #endif				/* _LANGUAGE_ASSEMBLY */
117 
118 /* sbipsflag */
119 #define	SBIPS_INT1_MASK		0x3f	/* which sbflags get routed to mips interrupt 1 */
120 #define	SBIPS_INT1_SHIFT	0
121 #define	SBIPS_INT2_MASK		0x3f00	/* which sbflags get routed to mips interrupt 2 */
122 #define	SBIPS_INT2_SHIFT	8
123 #define	SBIPS_INT3_MASK		0x3f0000	/* which sbflags get routed to mips interrupt 3 */
124 #define	SBIPS_INT3_SHIFT	16
125 #define	SBIPS_INT4_MASK		0x3f000000	/* which sbflags get routed to mips interrupt 4 */
126 #define	SBIPS_INT4_SHIFT	24
127 
128 /* sbtpsflag */
129 #define	SBTPS_NUM0_MASK		0x3f	/* interrupt sbFlag # generated by this core */
130 #define	SBTPS_F0EN0		0x40	/* interrupt is always sent on the backplane */
131 
132 /* sbtmerrlog */
133 #define	SBTMEL_CM		0x00000007	/* command */
134 #define	SBTMEL_CI		0x0000ff00	/* connection id */
135 #define	SBTMEL_EC		0x0f000000	/* error code */
136 #define	SBTMEL_ME		0x80000000	/* multiple error */
137 
138 /* sbimstate */
139 #define	SBIM_PC			0xf	/* pipecount */
140 #define	SBIM_AP_MASK		0x30	/* arbitration policy */
141 #define	SBIM_AP_BOTH		0x00	/* use both timeslaces and token */
142 #define	SBIM_AP_TS		0x10	/* use timesliaces only */
143 #define	SBIM_AP_TK		0x20	/* use token only */
144 #define	SBIM_AP_RSV		0x30	/* reserved */
145 #define	SBIM_IBE		0x20000	/* inbanderror */
146 #define	SBIM_TO			0x40000	/* timeout */
147 #define	SBIM_BY			0x01800000	/* busy (sonics >= 2.3) */
148 #define	SBIM_RJ			0x02000000	/* reject (sonics >= 2.3) */
149 
150 /* sbtmstatelow */
151 #define	SBTML_RESET		0x0001	/* reset */
152 #define	SBTML_REJ_MASK		0x0006	/* reject field */
153 #define	SBTML_REJ		0x0002	/* reject */
154 #define	SBTML_TMPREJ		0x0004	/* temporary reject, for error recovery */
155 
156 #define	SBTML_SICF_SHIFT	16	/* Shift to locate the SI control flags in sbtml */
157 
158 /* sbtmstatehigh */
159 #define	SBTMH_SERR		0x0001	/* serror */
160 #define	SBTMH_INT		0x0002	/* interrupt */
161 #define	SBTMH_BUSY		0x0004	/* busy */
162 #define	SBTMH_TO		0x0020	/* timeout (sonics >= 2.3) */
163 
164 #define	SBTMH_SISF_SHIFT	16	/* Shift to locate the SI status flags in sbtmh */
165 
166 /* sbbwa0 */
167 #define	SBBWA_TAB0_MASK		0xffff	/* lookup table 0 */
168 #define	SBBWA_TAB1_MASK		0xffff	/* lookup table 1 */
169 #define	SBBWA_TAB1_SHIFT	16
170 
171 /* sbimconfiglow */
172 #define	SBIMCL_STO_MASK		0x7	/* service timeout */
173 #define	SBIMCL_RTO_MASK		0x70	/* request timeout */
174 #define	SBIMCL_RTO_SHIFT	4
175 #define	SBIMCL_CID_MASK		0xff0000	/* connection id */
176 #define	SBIMCL_CID_SHIFT	16
177 
178 /* sbimconfighigh */
179 #define	SBIMCH_IEM_MASK		0xc	/* inband error mode */
180 #define	SBIMCH_TEM_MASK		0x30	/* timeout error mode */
181 #define	SBIMCH_TEM_SHIFT	4
182 #define	SBIMCH_BEM_MASK		0xc0	/* bus error mode */
183 #define	SBIMCH_BEM_SHIFT	6
184 
185 /* sbadmatch0 */
186 #define	SBAM_TYPE_MASK		0x3	/* address type */
187 #define	SBAM_AD64		0x4	/* reserved */
188 #define	SBAM_ADINT0_MASK	0xf8	/* type0 size */
189 #define	SBAM_ADINT0_SHIFT	3
190 #define	SBAM_ADINT1_MASK	0x1f8	/* type1 size */
191 #define	SBAM_ADINT1_SHIFT	3
192 #define	SBAM_ADINT2_MASK	0x1f8	/* type2 size */
193 #define	SBAM_ADINT2_SHIFT	3
194 #define	SBAM_ADEN		0x400	/* enable */
195 #define	SBAM_ADNEG		0x800	/* negative decode */
196 #define	SBAM_BASE0_MASK		0xffffff00	/* type0 base address */
197 #define	SBAM_BASE0_SHIFT	8
198 #define	SBAM_BASE1_MASK		0xfffff000	/* type1 base address for the core */
199 #define	SBAM_BASE1_SHIFT	12
200 #define	SBAM_BASE2_MASK		0xffff0000	/* type2 base address for the core */
201 #define	SBAM_BASE2_SHIFT	16
202 
203 /* sbtmconfiglow */
204 #define	SBTMCL_CD_MASK		0xff	/* clock divide */
205 #define	SBTMCL_CO_MASK		0xf800	/* clock offset */
206 #define	SBTMCL_CO_SHIFT		11
207 #define	SBTMCL_IF_MASK		0xfc0000	/* interrupt flags */
208 #define	SBTMCL_IF_SHIFT		18
209 #define	SBTMCL_IM_MASK		0x3000000	/* interrupt mode */
210 #define	SBTMCL_IM_SHIFT		24
211 
212 /* sbtmconfighigh */
213 #define	SBTMCH_BM_MASK		0x3	/* busy mode */
214 #define	SBTMCH_RM_MASK		0x3	/* retry mode */
215 #define	SBTMCH_RM_SHIFT		2
216 #define	SBTMCH_SM_MASK		0x30	/* stop mode */
217 #define	SBTMCH_SM_SHIFT		4
218 #define	SBTMCH_EM_MASK		0x300	/* sb error mode */
219 #define	SBTMCH_EM_SHIFT		8
220 #define	SBTMCH_IM_MASK		0xc00	/* int mode */
221 #define	SBTMCH_IM_SHIFT		10
222 
223 /* sbbconfig */
224 #define	SBBC_LAT_MASK		0x3	/* sb latency */
225 #define	SBBC_MAX0_MASK		0xf0000	/* maxccntr0 */
226 #define	SBBC_MAX0_SHIFT		16
227 #define	SBBC_MAX1_MASK		0xf00000	/* maxccntr1 */
228 #define	SBBC_MAX1_SHIFT		20
229 
230 /* sbbstate */
231 #define	SBBS_SRD		0x1	/* st reg disable */
232 #define	SBBS_HRD		0x2	/* hold reg disable */
233 
234 /* sbidlow */
235 #define	SBIDL_CS_MASK		0x3	/* config space */
236 #define	SBIDL_AR_MASK		0x38	/* # address ranges supported */
237 #define	SBIDL_AR_SHIFT		3
238 #define	SBIDL_SYNCH		0x40	/* sync */
239 #define	SBIDL_INIT		0x80	/* initiator */
240 #define	SBIDL_MINLAT_MASK	0xf00	/* minimum backplane latency */
241 #define	SBIDL_MINLAT_SHIFT	8
242 #define	SBIDL_MAXLAT		0xf000	/* maximum backplane latency */
243 #define	SBIDL_MAXLAT_SHIFT	12
244 #define	SBIDL_FIRST		0x10000	/* this initiator is first */
245 #define	SBIDL_CW_MASK		0xc0000	/* cycle counter width */
246 #define	SBIDL_CW_SHIFT		18
247 #define	SBIDL_TP_MASK		0xf00000	/* target ports */
248 #define	SBIDL_TP_SHIFT		20
249 #define	SBIDL_IP_MASK		0xf000000	/* initiator ports */
250 #define	SBIDL_IP_SHIFT		24
251 #define	SBIDL_RV_MASK		0xf0000000	/* sonics backplane revision code */
252 #define	SBIDL_RV_SHIFT		28
253 #define	SBIDL_RV_2_2		0x00000000	/* version 2.2 or earlier */
254 #define	SBIDL_RV_2_3		0x10000000	/* version 2.3 */
255 
256 /* sbidhigh */
257 #define	SBIDH_RC_MASK		0x000f	/* revision code */
258 #define	SBIDH_RCE_MASK		0x7000	/* revision code extension field */
259 #define	SBIDH_RCE_SHIFT		8
260 #define	SBCOREREV(sbidh) \
261 	((((sbidh) & SBIDH_RCE_MASK) >> SBIDH_RCE_SHIFT) | ((sbidh) & SBIDH_RC_MASK))
262 #define	SBIDH_CC_MASK		0x8ff0	/* core code */
263 #define	SBIDH_CC_SHIFT		4
264 #define	SBIDH_VC_MASK		0xffff0000	/* vendor code */
265 #define	SBIDH_VC_SHIFT		16
266 
267 #define	SB_COMMIT		0xfd8	/* update buffered registers value */
268 
269 /* vendor codes */
270 #define	SB_VEND_BCM		0x4243	/* Broadcom's SB vendor code */
271 
272 #endif				/* _SBCONFIG_H */
273