1 /*
2  * xtensa/config/core-isa.h -- HAL definitions that are dependent on Xtensa
3  *				processor CORE configuration
4  *
5  *  See <xtensa/config/core.h>, which includes this file, for more details.
6  */
7 
8 /* Xtensa processor core configuration information.
9 
10    Copyright (c) 1999-2016 Tensilica Inc.
11 
12    Permission is hereby granted, free of charge, to any person obtaining
13    a copy of this software and associated documentation files (the
14    "Software"), to deal in the Software without restriction, including
15    without limitation the rights to use, copy, modify, merge, publish,
16    distribute, sublicense, and/or sell copies of the Software, and to
17    permit persons to whom the Software is furnished to do so, subject to
18    the following conditions:
19 
20    The above copyright notice and this permission notice shall be included
21    in all copies or substantial portions of the Software.
22 
23    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
26    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
27    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
28    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
29    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
30 
31 #ifndef _XTENSA_CORE_CONFIGURATION_H
32 #define _XTENSA_CORE_CONFIGURATION_H
33 
34 
35 /****************************************************************************
36 	    Parameters Useful for Any Code, USER or PRIVILEGED
37  ****************************************************************************/
38 
39 /*
40  *  Note:  Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
41  *  configured, and a value of 0 otherwise.  These macros are always defined.
42  */
43 
44 
45 /*----------------------------------------------------------------------
46 				ISA
47   ----------------------------------------------------------------------*/
48 
49 #define XCHAL_HAVE_BE			0	/* big-endian byte ordering */
50 #define XCHAL_HAVE_WINDOWED		1	/* windowed registers option */
51 #define XCHAL_NUM_AREGS			32	/* num of physical addr regs */
52 #define XCHAL_NUM_AREGS_LOG2		5	/* log2(XCHAL_NUM_AREGS) */
53 #define XCHAL_MAX_INSTRUCTION_SIZE	3	/* max instr bytes (3..8) */
54 #define XCHAL_HAVE_DEBUG		1	/* debug option */
55 #define XCHAL_HAVE_DENSITY		1	/* 16-bit instructions */
56 #define XCHAL_HAVE_LOOPS		0	/* zero-overhead loops */
57 #define XCHAL_LOOP_BUFFER_SIZE		0	/* zero-ov. loop instr buffer size */
58 #define XCHAL_HAVE_NSA			1	/* NSA/NSAU instructions */
59 #define XCHAL_HAVE_MINMAX		1	/* MIN/MAX instructions */
60 #define XCHAL_HAVE_SEXT			1	/* SEXT instruction */
61 #define XCHAL_HAVE_DEPBITS		0	/* DEPBITS instruction */
62 #define XCHAL_HAVE_CLAMPS		0	/* CLAMPS instruction */
63 #define XCHAL_HAVE_MUL16		1	/* MUL16S/MUL16U instructions */
64 #define XCHAL_HAVE_MUL32		1	/* MULL instruction */
65 #define XCHAL_HAVE_MUL32_HIGH		0	/* MULUH/MULSH instructions */
66 #define XCHAL_HAVE_DIV32		1	/* QUOS/QUOU/REMS/REMU instructions */
67 #define XCHAL_HAVE_L32R			1	/* L32R instruction */
68 #define XCHAL_HAVE_ABSOLUTE_LITERALS	0	/* non-PC-rel (extended) L32R */
69 #define XCHAL_HAVE_CONST16		0	/* CONST16 instruction */
70 #define XCHAL_HAVE_ADDX			1	/* ADDX#/SUBX# instructions */
71 #define XCHAL_HAVE_EXCLUSIVE            0	/* L32EX/S32EX instructions */
72 #define XCHAL_HAVE_WIDE_BRANCHES	0	/* B*.W18 or B*.W15 instr's */
73 #define XCHAL_HAVE_PREDICTED_BRANCHES	0	/* B[EQ/EQZ/NE/NEZ]T instr's */
74 #define XCHAL_HAVE_CALL4AND12		1	/* (obsolete option) */
75 #define XCHAL_HAVE_ABS			1	/* ABS instruction */
76 /*#define XCHAL_HAVE_POPC		0*/	/* POPC instruction */
77 /*#define XCHAL_HAVE_CRC		0*/	/* CRC instruction */
78 #define XCHAL_HAVE_RELEASE_SYNC		1	/* L32AI/S32RI instructions */
79 #define XCHAL_HAVE_S32C1I		1	/* S32C1I instruction */
80 #define XCHAL_HAVE_SPECULATION		0	/* speculation */
81 #define XCHAL_HAVE_FULL_RESET		1	/* all regs/state reset */
82 #define XCHAL_NUM_CONTEXTS		1	/* */
83 #define XCHAL_NUM_MISC_REGS		2	/* num of scratch regs (0..4) */
84 #define XCHAL_HAVE_TAP_MASTER		0	/* JTAG TAP control instr's */
85 #define XCHAL_HAVE_PRID			1	/* processor ID register */
86 #define XCHAL_HAVE_EXTERN_REGS		1	/* WER/RER instructions */
87 #define XCHAL_HAVE_MX			0	/* MX core (Tensilica internal) */
88 #define XCHAL_HAVE_MP_INTERRUPTS	0	/* interrupt distributor port */
89 #define XCHAL_HAVE_MP_RUNSTALL		0	/* core RunStall control port */
90 #define XCHAL_HAVE_PSO			0	/* Power Shut-Off */
91 #define XCHAL_HAVE_PSO_CDM		0	/* core/debug/mem pwr domains */
92 #define XCHAL_HAVE_PSO_FULL_RETENTION	0	/* all regs preserved on PSO */
93 #define XCHAL_HAVE_THREADPTR		0	/* THREADPTR register */
94 #define XCHAL_HAVE_BOOLEANS		0	/* boolean registers */
95 #define XCHAL_HAVE_CP			0	/* CPENABLE reg (coprocessor) */
96 #define XCHAL_CP_MAXCFG			0	/* max allowed cp id plus one */
97 #define XCHAL_HAVE_MAC16		0	/* MAC16 package */
98 
99 #define XCHAL_HAVE_FUSION		0	/* Fusion*/
100 #define XCHAL_HAVE_FUSION_FP		0	/* Fusion FP option */
101 #define XCHAL_HAVE_FUSION_LOW_POWER	0	/* Fusion Low Power option */
102 #define XCHAL_HAVE_FUSION_AES		0	/* Fusion BLE/Wifi AES-128 CCM option */
103 #define XCHAL_HAVE_FUSION_CONVENC	0	/* Fusion Conv Encode option */
104 #define XCHAL_HAVE_FUSION_LFSR_CRC	0	/* Fusion LFSR-CRC option */
105 #define XCHAL_HAVE_FUSION_BITOPS	0	/* Fusion Bit Operations Support option */
106 #define XCHAL_HAVE_FUSION_AVS		0	/* Fusion AVS option */
107 #define XCHAL_HAVE_FUSION_16BIT_BASEBAND 0	/* Fusion 16-bit Baseband option */
108 #define XCHAL_HAVE_FUSION_VITERBI	0	/* Fusion Viterbi option */
109 #define XCHAL_HAVE_FUSION_SOFTDEMAP	0	/* Fusion Soft Bit Demap option */
110 #define XCHAL_HAVE_HIFIPRO		0	/* HiFiPro Audio Engine pkg */
111 #define XCHAL_HAVE_HIFI4		0	/* HiFi4 Audio Engine pkg */
112 #define XCHAL_HAVE_HIFI4_VFPU		0	/* HiFi4 Audio Engine VFPU option */
113 #define XCHAL_HAVE_HIFI3		0	/* HiFi3 Audio Engine pkg */
114 #define XCHAL_HAVE_HIFI3_VFPU		0	/* HiFi3 Audio Engine VFPU option */
115 #define XCHAL_HAVE_HIFI2		0	/* HiFi2 Audio Engine pkg */
116 #define XCHAL_HAVE_HIFI2EP		0	/* HiFi2EP */
117 #define XCHAL_HAVE_HIFI_MINI		0
118 
119 
120 
121 #define XCHAL_HAVE_VECTORFPU2005	0	/* vector floating-point pkg */
122 #define XCHAL_HAVE_USER_DPFPU		0       /* user DP floating-point pkg */
123 #define XCHAL_HAVE_USER_SPFPU		0       /* user DP floating-point pkg */
124 #define XCHAL_HAVE_FP			0	/* single prec floating point */
125 #define XCHAL_HAVE_FP_DIV		0	/* FP with DIV instructions */
126 #define XCHAL_HAVE_FP_RECIP		0	/* FP with RECIP instructions */
127 #define XCHAL_HAVE_FP_SQRT		0	/* FP with SQRT instructions */
128 #define XCHAL_HAVE_FP_RSQRT		0	/* FP with RSQRT instructions */
129 #define XCHAL_HAVE_DFP			0	/* double precision FP pkg */
130 #define XCHAL_HAVE_DFP_DIV		0	/* DFP with DIV instructions */
131 #define XCHAL_HAVE_DFP_RECIP		0	/* DFP with RECIP instructions*/
132 #define XCHAL_HAVE_DFP_SQRT		0	/* DFP with SQRT instructions */
133 #define XCHAL_HAVE_DFP_RSQRT		0	/* DFP with RSQRT instructions*/
134 #define XCHAL_HAVE_DFP_ACCEL		0	/* double precision FP acceleration pkg */
135 #define XCHAL_HAVE_DFP_accel		XCHAL_HAVE_DFP_ACCEL	/* for backward compatibility */
136 
137 #define XCHAL_HAVE_DFPU_SINGLE_ONLY	0	/* DFPU Coprocessor, single precision only */
138 #define XCHAL_HAVE_DFPU_SINGLE_DOUBLE	0	/* DFPU Coprocessor, single and double precision */
139 #define XCHAL_HAVE_VECTRA1		0	/* Vectra I  pkg */
140 #define XCHAL_HAVE_VECTRALX		0	/* Vectra LX pkg */
141 
142 #define XCHAL_HAVE_FUSIONG		0	/* FusionG */
143 #define XCHAL_HAVE_FUSIONG3		0	/* FusionG3 */
144 #define XCHAL_HAVE_FUSIONG_SP_VFPU	0      /* sp_vfpu option on FusionG */
145 #define XCHAL_HAVE_FUSIONG_DP_VFPU	0      /* dp_vfpu option on FusionG */
146 #define XCHAL_FUSIONG_SIMD32		0     /* simd32 for FusionG */
147 
148 #define XCHAL_HAVE_PDX			0	/* PDX */
149 #define XCHAL_PDX_SIMD32		0     /* simd32 for PDX */
150 #define XCHAL_HAVE_PDX4			0	/* PDX4 */
151 #define XCHAL_HAVE_PDX8			0	/* PDX8 */
152 #define XCHAL_HAVE_PDX16		0	/* PDX16 */
153 
154 #define XCHAL_HAVE_CONNXD2		0	/* ConnX D2 pkg */
155 #define XCHAL_HAVE_CONNXD2_DUALLSFLIX   0	/* ConnX D2 & Dual LoadStore Flix */
156 #define XCHAL_HAVE_BBE16		0	/* ConnX BBE16 pkg */
157 #define XCHAL_HAVE_BBE16_RSQRT		0	/* BBE16 & vector recip sqrt */
158 #define XCHAL_HAVE_BBE16_VECDIV		0	/* BBE16 & vector divide */
159 #define XCHAL_HAVE_BBE16_DESPREAD	0	/* BBE16 & despread */
160 #define XCHAL_HAVE_BBENEP		0	/* ConnX BBENEP pkgs */
161 #define XCHAL_HAVE_BBENEP_SP_VFPU	0      /* sp_vfpu option on BBE-EP */
162 #define XCHAL_HAVE_BSP3			0	/* ConnX BSP3 pkg */
163 #define XCHAL_HAVE_BSP3_TRANSPOSE	0	/* BSP3 & transpose32x32 */
164 #define XCHAL_HAVE_SSP16		0	/* ConnX SSP16 pkg */
165 #define XCHAL_HAVE_SSP16_VITERBI	0	/* SSP16 & viterbi */
166 #define XCHAL_HAVE_TURBO16		0	/* ConnX Turbo16 pkg */
167 #define XCHAL_HAVE_BBP16		0	/* ConnX BBP16 pkg */
168 #define XCHAL_HAVE_FLIX3		0	/* basic 3-way FLIX option */
169 #define XCHAL_HAVE_GRIVPEP		0	/* General Release of IVPEP */
170 #define XCHAL_HAVE_GRIVPEP_HISTOGRAM	0       /* Histogram option on GRIVPEP */
171 
172 #define XCHAL_HAVE_VISION	        0     /* Vision P5/P6 */
173 #define XCHAL_VISION_SIMD16             0     /* simd16 for Vision P5/P6 */
174 #define XCHAL_VISION_TYPE               0     /* Vision P5, P6, or P3 */
175 #define XCHAL_VISION_QUAD_MAC_TYPE      0     /* quad_mac option on Vision P6 */
176 #define XCHAL_HAVE_VISION_HISTOGRAM     0     /* histogram option on Vision P5/P6 */
177 #define XCHAL_HAVE_VISION_SP_VFPU       0     /* sp_vfpu option on Vision P5/P6 */
178 #define XCHAL_HAVE_VISION_HP_VFPU       0     /* hp_vfpu option on Vision P6 */
179 
180 /*----------------------------------------------------------------------
181 				MISC
182   ----------------------------------------------------------------------*/
183 
184 #define XCHAL_NUM_LOADSTORE_UNITS	1	/* load/store units */
185 #define XCHAL_NUM_WRITEBUFFER_ENTRIES	4	/* size of write buffer */
186 #define XCHAL_INST_FETCH_WIDTH		4	/* instr-fetch width in bytes */
187 #define XCHAL_DATA_WIDTH		4	/* data width in bytes */
188 #define XCHAL_DATA_PIPE_DELAY		1	/* d-side pipeline delay
189 						   (1 = 5-stage, 2 = 7-stage) */
190 #define XCHAL_CLOCK_GATING_GLOBAL	1	/* global clock gating */
191 #define XCHAL_CLOCK_GATING_FUNCUNIT	1	/* funct. unit clock gating */
192 /*  In T1050, applies to selected core load and store instructions (see ISA): */
193 #define XCHAL_UNALIGNED_LOAD_EXCEPTION	1	/* unaligned loads cause exc. */
194 #define XCHAL_UNALIGNED_STORE_EXCEPTION	1	/* unaligned stores cause exc.*/
195 #define XCHAL_UNALIGNED_LOAD_HW		0	/* unaligned loads work in hw */
196 #define XCHAL_UNALIGNED_STORE_HW	0	/* unaligned stores work in hw*/
197 
198 #define XCHAL_SW_VERSION		1200004	/* sw version of this header */
199 
200 #define XCHAL_CORE_ID			"sample_controller"	/* alphanum core name
201 						   (CoreID) set in the Xtensa
202 						   Processor Generator */
203 
204 #define XCHAL_BUILD_UNIQUE_ID		0x00064D47	/* 22-bit sw build ID */
205 
206 /*
207  *  These definitions describe the hardware targeted by this software.
208  */
209 #define XCHAL_HW_CONFIGID0		0xC280DAFE	/* ConfigID hi 32 bits*/
210 #define XCHAL_HW_CONFIGID1		0x21064D47	/* ConfigID lo 32 bits*/
211 #define XCHAL_HW_VERSION_NAME		"LX7.0.4"	/* full version name */
212 #define XCHAL_HW_VERSION_MAJOR		2700	/* major ver# of targeted hw */
213 #define XCHAL_HW_VERSION_MINOR		4	/* minor ver# of targeted hw */
214 #define XCHAL_HW_VERSION		270004	/* major*100+minor */
215 #define XCHAL_HW_REL_LX7		1
216 #define XCHAL_HW_REL_LX7_0		1
217 #define XCHAL_HW_REL_LX7_0_4		1
218 #define XCHAL_HW_CONFIGID_RELIABLE	1
219 /*  If software targets a *range* of hardware versions, these are the bounds: */
220 #define XCHAL_HW_MIN_VERSION_MAJOR	2700	/* major v of earliest tgt hw */
221 #define XCHAL_HW_MIN_VERSION_MINOR	4	/* minor v of earliest tgt hw */
222 #define XCHAL_HW_MIN_VERSION		270004	/* earliest targeted hw */
223 #define XCHAL_HW_MAX_VERSION_MAJOR	2700	/* major v of latest tgt hw */
224 #define XCHAL_HW_MAX_VERSION_MINOR	4	/* minor v of latest tgt hw */
225 #define XCHAL_HW_MAX_VERSION		270004	/* latest targeted hw */
226 
227 
228 /*----------------------------------------------------------------------
229 				CACHE
230   ----------------------------------------------------------------------*/
231 
232 #define XCHAL_ICACHE_LINESIZE		4	/* I-cache line size in bytes */
233 #define XCHAL_DCACHE_LINESIZE		4	/* D-cache line size in bytes */
234 #define XCHAL_ICACHE_LINEWIDTH		2	/* log2(I line size in bytes) */
235 #define XCHAL_DCACHE_LINEWIDTH		2	/* log2(D line size in bytes) */
236 
237 #define XCHAL_ICACHE_SIZE		0	/* I-cache size in bytes or 0 */
238 #define XCHAL_DCACHE_SIZE		0	/* D-cache size in bytes or 0 */
239 
240 #define XCHAL_DCACHE_IS_WRITEBACK	0	/* writeback feature */
241 #define XCHAL_DCACHE_IS_COHERENT	0	/* MP coherence feature */
242 
243 #define XCHAL_HAVE_PREFETCH		0	/* PREFCTL register */
244 #define XCHAL_HAVE_PREFETCH_L1		0	/* prefetch to L1 dcache */
245 #define XCHAL_PREFETCH_CASTOUT_LINES	0	/* dcache pref. castout bufsz */
246 #define XCHAL_PREFETCH_ENTRIES		0	/* cache prefetch entries */
247 #define XCHAL_PREFETCH_BLOCK_ENTRIES	0	/* prefetch block streams */
248 #define XCHAL_HAVE_CACHE_BLOCKOPS	0	/* block prefetch for caches */
249 #define XCHAL_HAVE_ICACHE_TEST		0	/* Icache test instructions */
250 #define XCHAL_HAVE_DCACHE_TEST		0	/* Dcache test instructions */
251 #define XCHAL_HAVE_ICACHE_DYN_WAYS	0	/* Icache dynamic way support */
252 #define XCHAL_HAVE_DCACHE_DYN_WAYS	0	/* Dcache dynamic way support */
253 
254 
255 
256 
257 /****************************************************************************
258     Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code
259  ****************************************************************************/
260 
261 
262 #ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY
263 
264 /*----------------------------------------------------------------------
265 				CACHE
266   ----------------------------------------------------------------------*/
267 
268 #define XCHAL_HAVE_PIF			1	/* any outbound bus present */
269 
270 #define XCHAL_HAVE_AXI			0	/* AXI bus */
271 #define XCHAL_HAVE_AXI_ECC		0	/* ECC on AXI bus */
272 #define XCHAL_HAVE_ACELITE		0	/* ACELite bus */
273 
274 #define XCHAL_HAVE_PIF_WR_RESP			0	/* pif write response */
275 #define XCHAL_HAVE_PIF_REQ_ATTR			0	/* pif attribute */
276 
277 /*  If present, cache size in bytes == (ways * 2^(linewidth + setwidth)).  */
278 
279 /*  Number of cache sets in log2(lines per way):  */
280 #define XCHAL_ICACHE_SETWIDTH		0
281 #define XCHAL_DCACHE_SETWIDTH		0
282 
283 /*  Cache set associativity (number of ways):  */
284 #define XCHAL_ICACHE_WAYS		1
285 #define XCHAL_DCACHE_WAYS		1
286 
287 /*  Cache features:  */
288 #define XCHAL_ICACHE_LINE_LOCKABLE	0
289 #define XCHAL_DCACHE_LINE_LOCKABLE	0
290 #define XCHAL_ICACHE_ECC_PARITY		0
291 #define XCHAL_DCACHE_ECC_PARITY		0
292 
293 /*  Cache access size in bytes (affects operation of SICW instruction):  */
294 #define XCHAL_ICACHE_ACCESS_SIZE	1
295 #define XCHAL_DCACHE_ACCESS_SIZE	1
296 
297 #define XCHAL_DCACHE_BANKS		0	/* number of banks */
298 
299 /*  Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits):  */
300 #define XCHAL_CA_BITS			4
301 
302 
303 /*----------------------------------------------------------------------
304 			INTERNAL I/D RAM/ROMs and XLMI
305   ----------------------------------------------------------------------*/
306 #define XCHAL_NUM_INSTROM		0	/* number of core instr. ROMs */
307 #define XCHAL_NUM_INSTRAM		1	/* number of core instr. RAMs */
308 #define XCHAL_NUM_DATAROM		0	/* number of core data ROMs */
309 #define XCHAL_NUM_DATARAM		2	/* number of core data RAMs */
310 #define XCHAL_NUM_URAM			0	/* number of core unified RAMs*/
311 #define XCHAL_NUM_XLMI			0	/* number of core XLMI ports */
312 
313 /*  Instruction RAM 0:  */
314 #define XCHAL_INSTRAM0_VADDR		0x40000000	/* virtual address */
315 #define XCHAL_INSTRAM0_PADDR		0x40000000	/* physical address */
316 #define XCHAL_INSTRAM0_SIZE		131072	/* size in bytes */
317 #define XCHAL_INSTRAM0_ECC_PARITY	0	/* ECC/parity type, 0=none */
318 #define XCHAL_HAVE_INSTRAM0
319 #define XCHAL_INSTRAM0_HAVE_IDMA	0	/* idma supported by this local memory */
320 
321 /*  Data RAM 0:  */
322 #define XCHAL_DATARAM0_VADDR		0x3FFE0000	/* virtual address */
323 #define XCHAL_DATARAM0_PADDR		0x3FFE0000	/* physical address */
324 #define XCHAL_DATARAM0_SIZE		131072	/* size in bytes */
325 #define XCHAL_DATARAM0_ECC_PARITY	0	/* ECC/parity type, 0=none */
326 #define XCHAL_DATARAM0_BANKS		1	/* number of banks */
327 #define XCHAL_HAVE_DATARAM0
328 #define XCHAL_DATARAM0_HAVE_IDMA	0	/* idma supported by this local memory */
329 
330 /*  Data RAM 1:  */
331 #define XCHAL_DATARAM1_VADDR		0x3FFC0000	/* virtual address */
332 #define XCHAL_DATARAM1_PADDR		0x3FFC0000	/* physical address */
333 #define XCHAL_DATARAM1_SIZE		131072	/* size in bytes */
334 #define XCHAL_DATARAM1_ECC_PARITY	0	/* ECC/parity type, 0=none */
335 #define XCHAL_DATARAM1_BANKS		1	/* number of banks */
336 #define XCHAL_HAVE_DATARAM1
337 #define XCHAL_DATARAM1_HAVE_IDMA	0	/* idma supported by this local memory */
338 
339 #define XCHAL_HAVE_IDMA			0
340 #define XCHAL_HAVE_IDMA_TRANSPOSE	0
341 
342 #define XCHAL_HAVE_IMEM_LOADSTORE	1	/* can load/store to IROM/IRAM*/
343 
344 
345 /*----------------------------------------------------------------------
346 			INTERRUPTS and TIMERS
347   ----------------------------------------------------------------------*/
348 
349 #define XCHAL_HAVE_INTERRUPTS		1	/* interrupt option */
350 #define XCHAL_HAVE_HIGHPRI_INTERRUPTS	1	/* med/high-pri. interrupts */
351 #define XCHAL_HAVE_NMI			1	/* non-maskable interrupt */
352 #define XCHAL_HAVE_CCOUNT		1	/* CCOUNT reg. (timer option) */
353 #define XCHAL_NUM_TIMERS		3	/* number of CCOMPAREn regs */
354 #define XCHAL_NUM_INTERRUPTS		22	/* number of interrupts */
355 #define XCHAL_NUM_INTERRUPTS_LOG2	5	/* ceil(log2(NUM_INTERRUPTS)) */
356 #define XCHAL_NUM_EXTINTERRUPTS		17	/* num of external interrupts */
357 #define XCHAL_NUM_INTLEVELS		6	/* number of interrupt levels
358 						   (not including level zero) */
359 #define XCHAL_EXCM_LEVEL		3	/* level masked by PS.EXCM */
360 	/* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */
361 
362 /*  Masks of interrupts at each interrupt level:  */
363 #define XCHAL_INTLEVEL1_MASK		0x001F80FF
364 #define XCHAL_INTLEVEL2_MASK		0x00000100
365 #define XCHAL_INTLEVEL3_MASK		0x00200E00
366 #define XCHAL_INTLEVEL4_MASK		0x00001000
367 #define XCHAL_INTLEVEL5_MASK		0x00002000
368 #define XCHAL_INTLEVEL6_MASK		0x00000000
369 #define XCHAL_INTLEVEL7_MASK		0x00004000
370 
371 /*  Masks of interrupts at each range 1..n of interrupt levels:  */
372 #define XCHAL_INTLEVEL1_ANDBELOW_MASK	0x001F80FF
373 #define XCHAL_INTLEVEL2_ANDBELOW_MASK	0x001F81FF
374 #define XCHAL_INTLEVEL3_ANDBELOW_MASK	0x003F8FFF
375 #define XCHAL_INTLEVEL4_ANDBELOW_MASK	0x003F9FFF
376 #define XCHAL_INTLEVEL5_ANDBELOW_MASK	0x003FBFFF
377 #define XCHAL_INTLEVEL6_ANDBELOW_MASK	0x003FBFFF
378 #define XCHAL_INTLEVEL7_ANDBELOW_MASK	0x003FFFFF
379 
380 /*  Level of each interrupt:  */
381 #define XCHAL_INT0_LEVEL		1
382 #define XCHAL_INT1_LEVEL		1
383 #define XCHAL_INT2_LEVEL		1
384 #define XCHAL_INT3_LEVEL		1
385 #define XCHAL_INT4_LEVEL		1
386 #define XCHAL_INT5_LEVEL		1
387 #define XCHAL_INT6_LEVEL		1
388 #define XCHAL_INT7_LEVEL		1
389 #define XCHAL_INT8_LEVEL		2
390 #define XCHAL_INT9_LEVEL		3
391 #define XCHAL_INT10_LEVEL		3
392 #define XCHAL_INT11_LEVEL		3
393 #define XCHAL_INT12_LEVEL		4
394 #define XCHAL_INT13_LEVEL		5
395 #define XCHAL_INT14_LEVEL		7
396 #define XCHAL_INT15_LEVEL		1
397 #define XCHAL_INT16_LEVEL		1
398 #define XCHAL_INT17_LEVEL		1
399 #define XCHAL_INT18_LEVEL		1
400 #define XCHAL_INT19_LEVEL		1
401 #define XCHAL_INT20_LEVEL		1
402 #define XCHAL_INT21_LEVEL		3
403 #define XCHAL_DEBUGLEVEL		6	/* debug interrupt level */
404 #define XCHAL_HAVE_DEBUG_EXTERN_INT	1	/* OCD external db interrupt */
405 #define XCHAL_NMILEVEL			7	/* NMI "level" (for use with
406 						   EXCSAVE/EPS/EPC_n, RFI n) */
407 
408 /*  Type of each interrupt:  */
409 #define XCHAL_INT0_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
410 #define XCHAL_INT1_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
411 #define XCHAL_INT2_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
412 #define XCHAL_INT3_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
413 #define XCHAL_INT4_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
414 #define XCHAL_INT5_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
415 #define XCHAL_INT6_TYPE 	XTHAL_INTTYPE_TIMER
416 #define XCHAL_INT7_TYPE 	XTHAL_INTTYPE_SOFTWARE
417 #define XCHAL_INT8_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
418 #define XCHAL_INT9_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
419 #define XCHAL_INT10_TYPE 	XTHAL_INTTYPE_TIMER
420 #define XCHAL_INT11_TYPE 	XTHAL_INTTYPE_SOFTWARE
421 #define XCHAL_INT12_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
422 #define XCHAL_INT13_TYPE 	XTHAL_INTTYPE_TIMER
423 #define XCHAL_INT14_TYPE 	XTHAL_INTTYPE_NMI
424 #define XCHAL_INT15_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
425 #define XCHAL_INT16_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
426 #define XCHAL_INT17_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
427 #define XCHAL_INT18_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
428 #define XCHAL_INT19_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
429 #define XCHAL_INT20_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
430 #define XCHAL_INT21_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
431 
432 /*  Masks of interrupts for each type of interrupt:  */
433 #define XCHAL_INTTYPE_MASK_UNCONFIGURED	0xFFC00000
434 #define XCHAL_INTTYPE_MASK_SOFTWARE	0x00000880
435 #define XCHAL_INTTYPE_MASK_EXTERN_EDGE	0x003F8000
436 #define XCHAL_INTTYPE_MASK_EXTERN_LEVEL	0x0000133F
437 #define XCHAL_INTTYPE_MASK_TIMER	0x00002440
438 #define XCHAL_INTTYPE_MASK_NMI		0x00004000
439 #define XCHAL_INTTYPE_MASK_WRITE_ERROR	0x00000000
440 #define XCHAL_INTTYPE_MASK_PROFILING	0x00000000
441 #define XCHAL_INTTYPE_MASK_IDMA_DONE	0x00000000
442 #define XCHAL_INTTYPE_MASK_IDMA_ERR	0x00000000
443 #define XCHAL_INTTYPE_MASK_GS_ERR	0x00000000
444 
445 /*  Interrupt numbers assigned to specific interrupt sources:  */
446 #define XCHAL_TIMER0_INTERRUPT		6	/* CCOMPARE0 */
447 #define XCHAL_TIMER1_INTERRUPT		10	/* CCOMPARE1 */
448 #define XCHAL_TIMER2_INTERRUPT		13	/* CCOMPARE2 */
449 #define XCHAL_TIMER3_INTERRUPT		XTHAL_TIMER_UNCONFIGURED
450 #define XCHAL_NMI_INTERRUPT		14	/* non-maskable interrupt */
451 
452 /*  Interrupt numbers for levels at which only one interrupt is configured:  */
453 #define XCHAL_INTLEVEL2_NUM		8
454 #define XCHAL_INTLEVEL4_NUM		12
455 #define XCHAL_INTLEVEL5_NUM		13
456 #define XCHAL_INTLEVEL7_NUM		14
457 /*  (There are many interrupts each at level(s) 1, 3.)  */
458 
459 
460 /*
461  *  External interrupt mapping.
462  *  These macros describe how Xtensa processor interrupt numbers
463  *  (as numbered internally, eg. in INTERRUPT and INTENABLE registers)
464  *  map to external BInterrupt<n> pins, for those interrupts
465  *  configured as external (level-triggered, edge-triggered, or NMI).
466  *  See the Xtensa processor databook for more details.
467  */
468 
469 /*  Core interrupt numbers mapped to each EXTERNAL BInterrupt pin number:  */
470 #define XCHAL_EXTINT0_NUM		0	/* (intlevel 1) */
471 #define XCHAL_EXTINT1_NUM		1	/* (intlevel 1) */
472 #define XCHAL_EXTINT2_NUM		2	/* (intlevel 1) */
473 #define XCHAL_EXTINT3_NUM		3	/* (intlevel 1) */
474 #define XCHAL_EXTINT4_NUM		4	/* (intlevel 1) */
475 #define XCHAL_EXTINT5_NUM		5	/* (intlevel 1) */
476 #define XCHAL_EXTINT6_NUM		8	/* (intlevel 2) */
477 #define XCHAL_EXTINT7_NUM		9	/* (intlevel 3) */
478 #define XCHAL_EXTINT8_NUM		12	/* (intlevel 4) */
479 #define XCHAL_EXTINT9_NUM		14	/* (intlevel 7) */
480 #define XCHAL_EXTINT10_NUM		15	/* (intlevel 1) */
481 #define XCHAL_EXTINT11_NUM		16	/* (intlevel 1) */
482 #define XCHAL_EXTINT12_NUM		17	/* (intlevel 1) */
483 #define XCHAL_EXTINT13_NUM		18	/* (intlevel 1) */
484 #define XCHAL_EXTINT14_NUM		19	/* (intlevel 1) */
485 #define XCHAL_EXTINT15_NUM		20	/* (intlevel 1) */
486 #define XCHAL_EXTINT16_NUM		21	/* (intlevel 3) */
487 /*  EXTERNAL BInterrupt pin numbers mapped to each core interrupt number:  */
488 #define XCHAL_INT0_EXTNUM		0	/* (intlevel 1) */
489 #define XCHAL_INT1_EXTNUM		1	/* (intlevel 1) */
490 #define XCHAL_INT2_EXTNUM		2	/* (intlevel 1) */
491 #define XCHAL_INT3_EXTNUM		3	/* (intlevel 1) */
492 #define XCHAL_INT4_EXTNUM		4	/* (intlevel 1) */
493 #define XCHAL_INT5_EXTNUM		5	/* (intlevel 1) */
494 #define XCHAL_INT8_EXTNUM		6	/* (intlevel 2) */
495 #define XCHAL_INT9_EXTNUM		7	/* (intlevel 3) */
496 #define XCHAL_INT12_EXTNUM		8	/* (intlevel 4) */
497 #define XCHAL_INT14_EXTNUM		9	/* (intlevel 7) */
498 #define XCHAL_INT15_EXTNUM		10	/* (intlevel 1) */
499 #define XCHAL_INT16_EXTNUM		11	/* (intlevel 1) */
500 #define XCHAL_INT17_EXTNUM		12	/* (intlevel 1) */
501 #define XCHAL_INT18_EXTNUM		13	/* (intlevel 1) */
502 #define XCHAL_INT19_EXTNUM		14	/* (intlevel 1) */
503 #define XCHAL_INT20_EXTNUM		15	/* (intlevel 1) */
504 #define XCHAL_INT21_EXTNUM		16	/* (intlevel 3) */
505 
506 
507 /*----------------------------------------------------------------------
508 			EXCEPTIONS and VECTORS
509   ----------------------------------------------------------------------*/
510 
511 #define XCHAL_XEA_VERSION		2	/* Xtensa Exception Architecture
512 						   number: 1 == XEA1 (old)
513 							   2 == XEA2 (new)
514 							   0 == XEAX (extern) or TX */
515 #define XCHAL_HAVE_XEA1			0	/* Exception Architecture 1 */
516 #define XCHAL_HAVE_XEA2			1	/* Exception Architecture 2 */
517 #define XCHAL_HAVE_XEAX			0	/* External Exception Arch. */
518 #define XCHAL_HAVE_EXCEPTIONS		1	/* exception option */
519 #define XCHAL_HAVE_HALT			0	/* halt architecture option */
520 #define XCHAL_HAVE_BOOTLOADER		0	/* boot loader (for TX) */
521 #define XCHAL_HAVE_MEM_ECC_PARITY	0	/* local memory ECC/parity */
522 #define XCHAL_HAVE_VECTOR_SELECT	1	/* relocatable vectors */
523 #define XCHAL_HAVE_VECBASE		1	/* relocatable vectors */
524 #define XCHAL_VECBASE_RESET_VADDR	0x40000000  /* VECBASE reset value */
525 #define XCHAL_VECBASE_RESET_PADDR	0x40000000
526 #define XCHAL_RESET_VECBASE_OVERLAP	0
527 
528 #define XCHAL_RESET_VECTOR0_VADDR	0x50000000
529 #define XCHAL_RESET_VECTOR0_PADDR	0x50000000
530 #define XCHAL_RESET_VECTOR1_VADDR	0x40000400
531 #define XCHAL_RESET_VECTOR1_PADDR	0x40000400
532 #define XCHAL_RESET_VECTOR_VADDR	0x50000000
533 #define XCHAL_RESET_VECTOR_PADDR	0x50000000
534 #define XCHAL_USER_VECOFS		0x00000340
535 #define XCHAL_USER_VECTOR_VADDR		0x40000340
536 #define XCHAL_USER_VECTOR_PADDR		0x40000340
537 #define XCHAL_KERNEL_VECOFS		0x00000300
538 #define XCHAL_KERNEL_VECTOR_VADDR	0x40000300
539 #define XCHAL_KERNEL_VECTOR_PADDR	0x40000300
540 #define XCHAL_DOUBLEEXC_VECOFS		0x000003C0
541 #define XCHAL_DOUBLEEXC_VECTOR_VADDR	0x400003C0
542 #define XCHAL_DOUBLEEXC_VECTOR_PADDR	0x400003C0
543 #define XCHAL_WINDOW_OF4_VECOFS		0x00000000
544 #define XCHAL_WINDOW_UF4_VECOFS		0x00000040
545 #define XCHAL_WINDOW_OF8_VECOFS		0x00000080
546 #define XCHAL_WINDOW_UF8_VECOFS		0x000000C0
547 #define XCHAL_WINDOW_OF12_VECOFS	0x00000100
548 #define XCHAL_WINDOW_UF12_VECOFS	0x00000140
549 #define XCHAL_WINDOW_VECTORS_VADDR	0x40000000
550 #define XCHAL_WINDOW_VECTORS_PADDR	0x40000000
551 #define XCHAL_INTLEVEL2_VECOFS		0x00000180
552 #define XCHAL_INTLEVEL2_VECTOR_VADDR	0x40000180
553 #define XCHAL_INTLEVEL2_VECTOR_PADDR	0x40000180
554 #define XCHAL_INTLEVEL3_VECOFS		0x000001C0
555 #define XCHAL_INTLEVEL3_VECTOR_VADDR	0x400001C0
556 #define XCHAL_INTLEVEL3_VECTOR_PADDR	0x400001C0
557 #define XCHAL_INTLEVEL4_VECOFS		0x00000200
558 #define XCHAL_INTLEVEL4_VECTOR_VADDR	0x40000200
559 #define XCHAL_INTLEVEL4_VECTOR_PADDR	0x40000200
560 #define XCHAL_INTLEVEL5_VECOFS		0x00000240
561 #define XCHAL_INTLEVEL5_VECTOR_VADDR	0x40000240
562 #define XCHAL_INTLEVEL5_VECTOR_PADDR	0x40000240
563 #define XCHAL_INTLEVEL6_VECOFS		0x00000280
564 #define XCHAL_INTLEVEL6_VECTOR_VADDR	0x40000280
565 #define XCHAL_INTLEVEL6_VECTOR_PADDR	0x40000280
566 #define XCHAL_DEBUG_VECOFS		XCHAL_INTLEVEL6_VECOFS
567 #define XCHAL_DEBUG_VECTOR_VADDR	XCHAL_INTLEVEL6_VECTOR_VADDR
568 #define XCHAL_DEBUG_VECTOR_PADDR	XCHAL_INTLEVEL6_VECTOR_PADDR
569 #define XCHAL_NMI_VECOFS		0x000002C0
570 #define XCHAL_NMI_VECTOR_VADDR		0x400002C0
571 #define XCHAL_NMI_VECTOR_PADDR		0x400002C0
572 #define XCHAL_INTLEVEL7_VECOFS		XCHAL_NMI_VECOFS
573 #define XCHAL_INTLEVEL7_VECTOR_VADDR	XCHAL_NMI_VECTOR_VADDR
574 #define XCHAL_INTLEVEL7_VECTOR_PADDR	XCHAL_NMI_VECTOR_PADDR
575 
576 
577 /*----------------------------------------------------------------------
578 				DEBUG MODULE
579   ----------------------------------------------------------------------*/
580 
581 /*  Misc  */
582 #define XCHAL_HAVE_DEBUG_ERI		0	/* ERI to debug module */
583 #define XCHAL_HAVE_DEBUG_APB		0	/* APB to debug module */
584 #define XCHAL_HAVE_DEBUG_JTAG		1	/* JTAG to debug module */
585 
586 /*  On-Chip Debug (OCD)  */
587 #define XCHAL_HAVE_OCD			1	/* OnChipDebug option */
588 #define XCHAL_NUM_IBREAK		2	/* number of IBREAKn regs */
589 #define XCHAL_NUM_DBREAK		2	/* number of DBREAKn regs */
590 #define XCHAL_HAVE_OCD_DIR_ARRAY	0	/* faster OCD option (to LX4) */
591 #define XCHAL_HAVE_OCD_LS32DDR		1	/* L32DDR/S32DDR (faster OCD) */
592 
593 /*  TRAX (in core)  */
594 #define XCHAL_HAVE_TRAX			0	/* TRAX in debug module */
595 #define XCHAL_TRAX_MEM_SIZE		0	/* TRAX memory size in bytes */
596 #define XCHAL_TRAX_MEM_SHAREABLE	0	/* start/end regs; ready sig. */
597 #define XCHAL_TRAX_ATB_WIDTH		0	/* ATB width (bits), 0=no ATB */
598 #define XCHAL_TRAX_TIME_WIDTH		0	/* timestamp bitwidth, 0=none */
599 
600 /*  Perf counters  */
601 #define XCHAL_NUM_PERF_COUNTERS		0	/* performance counters */
602 
603 
604 /*----------------------------------------------------------------------
605 				MMU
606   ----------------------------------------------------------------------*/
607 
608 /*  See core-matmap.h header file for more details.  */
609 
610 #define XCHAL_HAVE_TLBS			1	/* inverse of HAVE_CACHEATTR */
611 #define XCHAL_HAVE_SPANNING_WAY		1	/* one way maps I+D 4GB vaddr */
612 #define XCHAL_SPANNING_WAY		0	/* TLB spanning way number */
613 #define XCHAL_HAVE_IDENTITY_MAP		1	/* vaddr == paddr always */
614 #define XCHAL_HAVE_CACHEATTR		0	/* CACHEATTR register present */
615 #define XCHAL_HAVE_MIMIC_CACHEATTR	1	/* region protection */
616 #define XCHAL_HAVE_XLT_CACHEATTR	0	/* region prot. w/translation */
617 #define XCHAL_HAVE_PTP_MMU		0	/* full MMU (with page table
618 						   [autorefill] and protection)
619 						   usable for an MMU-based OS */
620 
621 /*  If none of the above last 5 are set, it's a custom TLB configuration.  */
622 
623 #define XCHAL_MMU_ASID_BITS		0	/* number of bits in ASIDs */
624 #define XCHAL_MMU_RINGS			1	/* number of rings (1..4) */
625 #define XCHAL_MMU_RING_BITS		0	/* num of bits in RING field */
626 
627 /*----------------------------------------------------------------------
628 				MPU
629   ----------------------------------------------------------------------*/
630 #define XCHAL_HAVE_MPU			0
631 #define XCHAL_MPU_ENTRIES		0
632 
633 #define XCHAL_MPU_ALIGN_REQ		1	/* MPU requires alignment of entries to background map */
634 #define XCHAL_MPU_BACKGROUND_ENTRIES	0	/* number of entries in bg map*/
635 #define XCHAL_MPU_BG_CACHEADRDIS	0	/* default CACHEADRDIS for bg */
636 
637 #define XCHAL_MPU_ALIGN_BITS		0
638 #define XCHAL_MPU_ALIGN			0
639 
640 #endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */
641 
642 
643 #endif /* _XTENSA_CORE_CONFIGURATION_H */
644 
645