xref: /qemu/target/xtensa/core-dc233c/core-isa.h (revision fcf5ef2a)
1*fcf5ef2aSThomas Huth /*
2*fcf5ef2aSThomas Huth  * xtensa/config/core-isa.h -- HAL definitions that are dependent on Xtensa
3*fcf5ef2aSThomas Huth  *                              processor CORE configuration
4*fcf5ef2aSThomas Huth  *
5*fcf5ef2aSThomas Huth  *  See <xtensa/config/core.h>, which includes this file, for more details.
6*fcf5ef2aSThomas Huth  */
7*fcf5ef2aSThomas Huth 
8*fcf5ef2aSThomas Huth /* Xtensa processor core configuration information.
9*fcf5ef2aSThomas Huth 
10*fcf5ef2aSThomas Huth    Copyright (c) 1999-2010 Tensilica Inc.
11*fcf5ef2aSThomas Huth 
12*fcf5ef2aSThomas Huth    Permission is hereby granted, free of charge, to any person obtaining
13*fcf5ef2aSThomas Huth    a copy of this software and associated documentation files (the
14*fcf5ef2aSThomas Huth    "Software"), to deal in the Software without restriction, including
15*fcf5ef2aSThomas Huth    without limitation the rights to use, copy, modify, merge, publish,
16*fcf5ef2aSThomas Huth    distribute, sublicense, and/or sell copies of the Software, and to
17*fcf5ef2aSThomas Huth    permit persons to whom the Software is furnished to do so, subject to
18*fcf5ef2aSThomas Huth    the following conditions:
19*fcf5ef2aSThomas Huth 
20*fcf5ef2aSThomas Huth    The above copyright notice and this permission notice shall be included
21*fcf5ef2aSThomas Huth    in all copies or substantial portions of the Software.
22*fcf5ef2aSThomas Huth 
23*fcf5ef2aSThomas Huth    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24*fcf5ef2aSThomas Huth    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25*fcf5ef2aSThomas Huth    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
26*fcf5ef2aSThomas Huth    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
27*fcf5ef2aSThomas Huth    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
28*fcf5ef2aSThomas Huth    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
29*fcf5ef2aSThomas Huth    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
30*fcf5ef2aSThomas Huth 
31*fcf5ef2aSThomas Huth #ifndef XTENSA_DC233C_CORE_ISA_H
32*fcf5ef2aSThomas Huth #define XTENSA_DC233C_CORE_ISA_H
33*fcf5ef2aSThomas Huth 
34*fcf5ef2aSThomas Huth /****************************************************************************
35*fcf5ef2aSThomas Huth             Parameters Useful for Any Code, USER or PRIVILEGED
36*fcf5ef2aSThomas Huth  ****************************************************************************/
37*fcf5ef2aSThomas Huth 
38*fcf5ef2aSThomas Huth /*
39*fcf5ef2aSThomas Huth  *  Note:  Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
40*fcf5ef2aSThomas Huth  *  configured, and a value of 0 otherwise.  These macros are always defined.
41*fcf5ef2aSThomas Huth  */
42*fcf5ef2aSThomas Huth 
43*fcf5ef2aSThomas Huth 
44*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
45*fcf5ef2aSThomas Huth                                 ISA
46*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
47*fcf5ef2aSThomas Huth 
48*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BE                   0       /* big-endian byte ordering */
49*fcf5ef2aSThomas Huth #define XCHAL_HAVE_WINDOWED             1       /* windowed registers option */
50*fcf5ef2aSThomas Huth #define XCHAL_NUM_AREGS                 32      /* num of physical addr regs */
51*fcf5ef2aSThomas Huth #define XCHAL_NUM_AREGS_LOG2            5       /* log2(XCHAL_NUM_AREGS) */
52*fcf5ef2aSThomas Huth #define XCHAL_MAX_INSTRUCTION_SIZE      3       /* max instr bytes (3..8) */
53*fcf5ef2aSThomas Huth #define XCHAL_HAVE_DEBUG                1       /* debug option */
54*fcf5ef2aSThomas Huth #define XCHAL_HAVE_DENSITY              1       /* 16-bit instructions */
55*fcf5ef2aSThomas Huth #define XCHAL_HAVE_LOOPS                1       /* zero-overhead loops */
56*fcf5ef2aSThomas Huth #define XCHAL_HAVE_NSA                  1       /* NSA/NSAU instructions */
57*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MINMAX               1       /* MIN/MAX instructions */
58*fcf5ef2aSThomas Huth #define XCHAL_HAVE_SEXT                 1       /* SEXT instruction */
59*fcf5ef2aSThomas Huth #define XCHAL_HAVE_CLAMPS               1       /* CLAMPS instruction */
60*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MUL16                1       /* MUL16S/MUL16U instructions */
61*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MUL32                1       /* MULL instruction */
62*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MUL32_HIGH           0       /* MULUH/MULSH instructions */
63*fcf5ef2aSThomas Huth #define XCHAL_HAVE_DIV32                1       /* QUOS/QUOU/REMS/REMU instructions */
64*fcf5ef2aSThomas Huth #define XCHAL_HAVE_L32R                 1       /* L32R instruction */
65*fcf5ef2aSThomas Huth #define XCHAL_HAVE_ABSOLUTE_LITERALS    1       /* non-PC-rel (extended) L32R */
66*fcf5ef2aSThomas Huth #define XCHAL_HAVE_CONST16              0       /* CONST16 instruction */
67*fcf5ef2aSThomas Huth #define XCHAL_HAVE_ADDX                 1       /* ADDX#/SUBX# instructions */
68*fcf5ef2aSThomas Huth #define XCHAL_HAVE_WIDE_BRANCHES        0       /* B*.W18 or B*.W15 instr's */
69*fcf5ef2aSThomas Huth #define XCHAL_HAVE_PREDICTED_BRANCHES   0       /* B[EQ/EQZ/NE/NEZ]T instr's */
70*fcf5ef2aSThomas Huth #define XCHAL_HAVE_CALL4AND12           1       /* (obsolete option) */
71*fcf5ef2aSThomas Huth #define XCHAL_HAVE_ABS                  1       /* ABS instruction */
72*fcf5ef2aSThomas Huth /*#define XCHAL_HAVE_POPC               0*/     /* POPC instruction */
73*fcf5ef2aSThomas Huth /*#define XCHAL_HAVE_CRC                0*/     /* CRC instruction */
74*fcf5ef2aSThomas Huth #define XCHAL_HAVE_RELEASE_SYNC         1       /* L32AI/S32RI instructions */
75*fcf5ef2aSThomas Huth #define XCHAL_HAVE_S32C1I               1       /* S32C1I instruction */
76*fcf5ef2aSThomas Huth #define XCHAL_HAVE_SPECULATION          0       /* speculation */
77*fcf5ef2aSThomas Huth #define XCHAL_HAVE_FULL_RESET           1       /* all regs/state reset */
78*fcf5ef2aSThomas Huth #define XCHAL_NUM_CONTEXTS              1       /* */
79*fcf5ef2aSThomas Huth #define XCHAL_NUM_MISC_REGS             2       /* num of scratch regs (0..4) */
80*fcf5ef2aSThomas Huth #define XCHAL_HAVE_TAP_MASTER           0       /* JTAG TAP control instr's */
81*fcf5ef2aSThomas Huth #define XCHAL_HAVE_PRID                 1       /* processor ID register */
82*fcf5ef2aSThomas Huth #define XCHAL_HAVE_EXTERN_REGS          1       /* WER/RER instructions */
83*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MP_INTERRUPTS        0       /* interrupt distributor port */
84*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MP_RUNSTALL          0       /* core RunStall control port */
85*fcf5ef2aSThomas Huth #define XCHAL_HAVE_THREADPTR            1       /* THREADPTR register */
86*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BOOLEANS             0       /* boolean registers */
87*fcf5ef2aSThomas Huth #define XCHAL_HAVE_CP                   1       /* CPENABLE reg (coprocessor) */
88*fcf5ef2aSThomas Huth #define XCHAL_CP_MAXCFG                 8       /* max allowed cp id plus one */
89*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MAC16                1       /* MAC16 package */
90*fcf5ef2aSThomas Huth #define XCHAL_HAVE_VECTORFPU2005        0       /* vector floating-point pkg */
91*fcf5ef2aSThomas Huth #define XCHAL_HAVE_FP                   0       /* floating point pkg */
92*fcf5ef2aSThomas Huth #define XCHAL_HAVE_DFP                  0       /* double precision FP pkg */
93*fcf5ef2aSThomas Huth #define XCHAL_HAVE_DFP_accel            0       /* double precision FP acceleration pkg */
94*fcf5ef2aSThomas Huth #define XCHAL_HAVE_VECTRA1              0       /* Vectra I  pkg */
95*fcf5ef2aSThomas Huth #define XCHAL_HAVE_VECTRALX             0       /* Vectra LX pkg */
96*fcf5ef2aSThomas Huth #define XCHAL_HAVE_HIFIPRO              0       /* HiFiPro Audio Engine pkg */
97*fcf5ef2aSThomas Huth #define XCHAL_HAVE_HIFI2                0       /* HiFi2 Audio Engine pkg */
98*fcf5ef2aSThomas Huth #define XCHAL_HAVE_HIFI2EP      0       /* HiFi2EP */
99*fcf5ef2aSThomas Huth #define XCHAL_HAVE_CONNXD2              0       /* ConnX D2 pkg */
100*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BBE16                0       /* ConnX BBE16 pkg */
101*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BBE16_RSQRT          0       /* BBE16 & vector recip sqrt */
102*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BBE16_VECDIV         0       /* BBE16 & vector divide */
103*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BBE16_DESPREAD       0       /* BBE16 & despread */
104*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BSP3                 0       /* ConnX BSP3 pkg */
105*fcf5ef2aSThomas Huth #define XCHAL_HAVE_SSP16                0       /* ConnX SSP16 pkg */
106*fcf5ef2aSThomas Huth #define XCHAL_HAVE_SSP16_VITERBI        0       /* SSP16 & viterbi */
107*fcf5ef2aSThomas Huth #define XCHAL_HAVE_TURBO16              0       /* ConnX Turbo16 pkg */
108*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BBP16                0       /* ConnX BBP16 pkg */
109*fcf5ef2aSThomas Huth 
110*fcf5ef2aSThomas Huth 
111*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
112*fcf5ef2aSThomas Huth                                 MISC
113*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
114*fcf5ef2aSThomas Huth 
115*fcf5ef2aSThomas Huth #define XCHAL_NUM_WRITEBUFFER_ENTRIES   8       /* size of write buffer */
116*fcf5ef2aSThomas Huth #define XCHAL_INST_FETCH_WIDTH          4       /* instr-fetch width in bytes */
117*fcf5ef2aSThomas Huth #define XCHAL_DATA_WIDTH                4       /* data width in bytes */
118*fcf5ef2aSThomas Huth /*  In T1050, applies to selected core load and store instructions (see ISA): */
119*fcf5ef2aSThomas Huth #define XCHAL_UNALIGNED_LOAD_EXCEPTION  1       /* unaligned loads cause exc. */
120*fcf5ef2aSThomas Huth #define XCHAL_UNALIGNED_STORE_EXCEPTION 1       /* unaligned stores cause exc.*/
121*fcf5ef2aSThomas Huth #define XCHAL_UNALIGNED_LOAD_HW         0       /* unaligned loads work in hw */
122*fcf5ef2aSThomas Huth #define XCHAL_UNALIGNED_STORE_HW        0       /* unaligned stores work in hw*/
123*fcf5ef2aSThomas Huth 
124*fcf5ef2aSThomas Huth #define XCHAL_SW_VERSION                900001  /* sw version of this header */
125*fcf5ef2aSThomas Huth 
126*fcf5ef2aSThomas Huth #define XCHAL_CORE_ID                   "dc233c"        /* alphanum core name
127*fcf5ef2aSThomas Huth (CoreID) set in the Xtensa
128*fcf5ef2aSThomas Huth Processor Generator */
129*fcf5ef2aSThomas Huth 
130*fcf5ef2aSThomas Huth #define XCHAL_CORE_DESCRIPTION          "dc233c"
131*fcf5ef2aSThomas Huth #define XCHAL_BUILD_UNIQUE_ID           0x00004B21      /* 22-bit sw build ID */
132*fcf5ef2aSThomas Huth 
133*fcf5ef2aSThomas Huth /*
134*fcf5ef2aSThomas Huth  *  These definitions describe the hardware targeted by this software.
135*fcf5ef2aSThomas Huth  */
136*fcf5ef2aSThomas Huth #define XCHAL_HW_CONFIGID0              0xC56707FE      /* ConfigID hi 32 bits*/
137*fcf5ef2aSThomas Huth #define XCHAL_HW_CONFIGID1              0x14404B21      /* ConfigID lo 32 bits*/
138*fcf5ef2aSThomas Huth #define XCHAL_HW_VERSION_NAME           "LX4.0.1"       /* full version name */
139*fcf5ef2aSThomas Huth #define XCHAL_HW_VERSION_MAJOR          2400    /* major ver# of targeted hw */
140*fcf5ef2aSThomas Huth #define XCHAL_HW_VERSION_MINOR          1       /* minor ver# of targeted hw */
141*fcf5ef2aSThomas Huth #define XCHAL_HW_VERSION                240001  /* major*100+minor */
142*fcf5ef2aSThomas Huth #define XCHAL_HW_REL_LX4                1
143*fcf5ef2aSThomas Huth #define XCHAL_HW_REL_LX4_0              1
144*fcf5ef2aSThomas Huth #define XCHAL_HW_REL_LX4_0_1            1
145*fcf5ef2aSThomas Huth #define XCHAL_HW_CONFIGID_RELIABLE      1
146*fcf5ef2aSThomas Huth /*  If software targets a *range* of hardware versions, these are the bounds: */
147*fcf5ef2aSThomas Huth #define XCHAL_HW_MIN_VERSION_MAJOR      2400    /* major v of earliest tgt hw */
148*fcf5ef2aSThomas Huth #define XCHAL_HW_MIN_VERSION_MINOR      1       /* minor v of earliest tgt hw */
149*fcf5ef2aSThomas Huth #define XCHAL_HW_MIN_VERSION            240001  /* earliest targeted hw */
150*fcf5ef2aSThomas Huth #define XCHAL_HW_MAX_VERSION_MAJOR      2400    /* major v of latest tgt hw */
151*fcf5ef2aSThomas Huth #define XCHAL_HW_MAX_VERSION_MINOR      1       /* minor v of latest tgt hw */
152*fcf5ef2aSThomas Huth #define XCHAL_HW_MAX_VERSION            240001  /* latest targeted hw */
153*fcf5ef2aSThomas Huth 
154*fcf5ef2aSThomas Huth 
155*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
156*fcf5ef2aSThomas Huth                                 CACHE
157*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
158*fcf5ef2aSThomas Huth 
159*fcf5ef2aSThomas Huth #define XCHAL_ICACHE_LINESIZE           32      /* I-cache line size in bytes */
160*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_LINESIZE           32      /* D-cache line size in bytes */
161*fcf5ef2aSThomas Huth #define XCHAL_ICACHE_LINEWIDTH          5       /* log2(I line size in bytes) */
162*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_LINEWIDTH          5       /* log2(D line size in bytes) */
163*fcf5ef2aSThomas Huth 
164*fcf5ef2aSThomas Huth #define XCHAL_ICACHE_SIZE               16384   /* I-cache size in bytes or 0 */
165*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_SIZE               16384   /* D-cache size in bytes or 0 */
166*fcf5ef2aSThomas Huth 
167*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_IS_WRITEBACK       1       /* writeback feature */
168*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_IS_COHERENT        0       /* MP coherence feature */
169*fcf5ef2aSThomas Huth 
170*fcf5ef2aSThomas Huth #define XCHAL_HAVE_PREFETCH             0       /* PREFCTL register */
171*fcf5ef2aSThomas Huth 
172*fcf5ef2aSThomas Huth 
173*fcf5ef2aSThomas Huth 
174*fcf5ef2aSThomas Huth 
175*fcf5ef2aSThomas Huth /****************************************************************************
176*fcf5ef2aSThomas Huth     Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code
177*fcf5ef2aSThomas Huth  ****************************************************************************/
178*fcf5ef2aSThomas Huth 
179*fcf5ef2aSThomas Huth 
180*fcf5ef2aSThomas Huth #ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY
181*fcf5ef2aSThomas Huth 
182*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
183*fcf5ef2aSThomas Huth                                 CACHE
184*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
185*fcf5ef2aSThomas Huth 
186*fcf5ef2aSThomas Huth #define XCHAL_HAVE_PIF                  1       /* any outbound PIF present */
187*fcf5ef2aSThomas Huth 
188*fcf5ef2aSThomas Huth /*  If present, cache size in bytes == (ways * 2^(linewidth + setwidth)).  */
189*fcf5ef2aSThomas Huth 
190*fcf5ef2aSThomas Huth /*  Number of cache sets in log2(lines per way):  */
191*fcf5ef2aSThomas Huth #define XCHAL_ICACHE_SETWIDTH           7
192*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_SETWIDTH           7
193*fcf5ef2aSThomas Huth 
194*fcf5ef2aSThomas Huth /*  Cache set associativity (number of ways):  */
195*fcf5ef2aSThomas Huth #define XCHAL_ICACHE_WAYS               4
196*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_WAYS               4
197*fcf5ef2aSThomas Huth 
198*fcf5ef2aSThomas Huth /*  Cache features:  */
199*fcf5ef2aSThomas Huth #define XCHAL_ICACHE_LINE_LOCKABLE      1
200*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_LINE_LOCKABLE      1
201*fcf5ef2aSThomas Huth #define XCHAL_ICACHE_ECC_PARITY         0
202*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_ECC_PARITY         0
203*fcf5ef2aSThomas Huth 
204*fcf5ef2aSThomas Huth /*  Cache access size in bytes (affects operation of SICW instruction):  */
205*fcf5ef2aSThomas Huth #define XCHAL_ICACHE_ACCESS_SIZE        4
206*fcf5ef2aSThomas Huth #define XCHAL_DCACHE_ACCESS_SIZE        4
207*fcf5ef2aSThomas Huth 
208*fcf5ef2aSThomas Huth /*  Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits):  */
209*fcf5ef2aSThomas Huth #define XCHAL_CA_BITS                   4
210*fcf5ef2aSThomas Huth 
211*fcf5ef2aSThomas Huth 
212*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
213*fcf5ef2aSThomas Huth                         INTERNAL I/D RAM/ROMs and XLMI
214*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
215*fcf5ef2aSThomas Huth 
216*fcf5ef2aSThomas Huth #define XCHAL_NUM_INSTROM               0       /* number of core instr. ROMs */
217*fcf5ef2aSThomas Huth #define XCHAL_NUM_INSTRAM               0       /* number of core instr. RAMs */
218*fcf5ef2aSThomas Huth #define XCHAL_NUM_DATAROM               0       /* number of core data ROMs */
219*fcf5ef2aSThomas Huth #define XCHAL_NUM_DATARAM               0       /* number of core data RAMs */
220*fcf5ef2aSThomas Huth #define XCHAL_NUM_URAM                  0       /* number of core unified RAMs*/
221*fcf5ef2aSThomas Huth #define XCHAL_NUM_XLMI                  0       /* number of core XLMI ports */
222*fcf5ef2aSThomas Huth 
223*fcf5ef2aSThomas Huth #define XCHAL_HAVE_IMEM_LOADSTORE       1       /* can load/store to IROM/IRAM*/
224*fcf5ef2aSThomas Huth 
225*fcf5ef2aSThomas Huth 
226*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
227*fcf5ef2aSThomas Huth                         INTERRUPTS and TIMERS
228*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
229*fcf5ef2aSThomas Huth 
230*fcf5ef2aSThomas Huth #define XCHAL_HAVE_INTERRUPTS           1       /* interrupt option */
231*fcf5ef2aSThomas Huth #define XCHAL_HAVE_HIGHPRI_INTERRUPTS   1       /* med/high-pri. interrupts */
232*fcf5ef2aSThomas Huth #define XCHAL_HAVE_NMI                  1       /* non-maskable interrupt */
233*fcf5ef2aSThomas Huth #define XCHAL_HAVE_CCOUNT               1       /* CCOUNT reg. (timer option) */
234*fcf5ef2aSThomas Huth #define XCHAL_NUM_TIMERS                3       /* number of CCOMPAREn regs */
235*fcf5ef2aSThomas Huth #define XCHAL_NUM_INTERRUPTS            22      /* number of interrupts */
236*fcf5ef2aSThomas Huth #define XCHAL_NUM_INTERRUPTS_LOG2       5       /* ceil(log2(NUM_INTERRUPTS)) */
237*fcf5ef2aSThomas Huth #define XCHAL_NUM_EXTINTERRUPTS         17      /* num of external interrupts */
238*fcf5ef2aSThomas Huth #define XCHAL_NUM_INTLEVELS             6       /* number of interrupt levels
239*fcf5ef2aSThomas Huth (not including level zero) */
240*fcf5ef2aSThomas Huth #define XCHAL_EXCM_LEVEL                3       /* level masked by PS.EXCM */
241*fcf5ef2aSThomas Huth /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */
242*fcf5ef2aSThomas Huth 
243*fcf5ef2aSThomas Huth /*  Masks of interrupts at each interrupt level:  */
244*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL1_MASK            0x001F80FF
245*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL2_MASK            0x00000100
246*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL3_MASK            0x00200E00
247*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL4_MASK            0x00001000
248*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL5_MASK            0x00002000
249*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL6_MASK            0x00000000
250*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL7_MASK            0x00004000
251*fcf5ef2aSThomas Huth 
252*fcf5ef2aSThomas Huth /*  Masks of interrupts at each range 1..n of interrupt levels:  */
253*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL1_ANDBELOW_MASK   0x001F80FF
254*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL2_ANDBELOW_MASK   0x001F81FF
255*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL3_ANDBELOW_MASK   0x003F8FFF
256*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL4_ANDBELOW_MASK   0x003F9FFF
257*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL5_ANDBELOW_MASK   0x003FBFFF
258*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL6_ANDBELOW_MASK   0x003FBFFF
259*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL7_ANDBELOW_MASK   0x003FFFFF
260*fcf5ef2aSThomas Huth 
261*fcf5ef2aSThomas Huth /*  Level of each interrupt:  */
262*fcf5ef2aSThomas Huth #define XCHAL_INT0_LEVEL                1
263*fcf5ef2aSThomas Huth #define XCHAL_INT1_LEVEL                1
264*fcf5ef2aSThomas Huth #define XCHAL_INT2_LEVEL                1
265*fcf5ef2aSThomas Huth #define XCHAL_INT3_LEVEL                1
266*fcf5ef2aSThomas Huth #define XCHAL_INT4_LEVEL                1
267*fcf5ef2aSThomas Huth #define XCHAL_INT5_LEVEL                1
268*fcf5ef2aSThomas Huth #define XCHAL_INT6_LEVEL                1
269*fcf5ef2aSThomas Huth #define XCHAL_INT7_LEVEL                1
270*fcf5ef2aSThomas Huth #define XCHAL_INT8_LEVEL                2
271*fcf5ef2aSThomas Huth #define XCHAL_INT9_LEVEL                3
272*fcf5ef2aSThomas Huth #define XCHAL_INT10_LEVEL               3
273*fcf5ef2aSThomas Huth #define XCHAL_INT11_LEVEL               3
274*fcf5ef2aSThomas Huth #define XCHAL_INT12_LEVEL               4
275*fcf5ef2aSThomas Huth #define XCHAL_INT13_LEVEL               5
276*fcf5ef2aSThomas Huth #define XCHAL_INT14_LEVEL               7
277*fcf5ef2aSThomas Huth #define XCHAL_INT15_LEVEL               1
278*fcf5ef2aSThomas Huth #define XCHAL_INT16_LEVEL               1
279*fcf5ef2aSThomas Huth #define XCHAL_INT17_LEVEL               1
280*fcf5ef2aSThomas Huth #define XCHAL_INT18_LEVEL               1
281*fcf5ef2aSThomas Huth #define XCHAL_INT19_LEVEL               1
282*fcf5ef2aSThomas Huth #define XCHAL_INT20_LEVEL               1
283*fcf5ef2aSThomas Huth #define XCHAL_INT21_LEVEL               3
284*fcf5ef2aSThomas Huth #define XCHAL_DEBUGLEVEL                6       /* debug interrupt level */
285*fcf5ef2aSThomas Huth #define XCHAL_HAVE_DEBUG_EXTERN_INT     1       /* OCD external db interrupt */
286*fcf5ef2aSThomas Huth #define XCHAL_NMILEVEL                  7       /* NMI "level" (for use with
287*fcf5ef2aSThomas Huth EXCSAVE/EPS/EPC_n, RFI n) */
288*fcf5ef2aSThomas Huth 
289*fcf5ef2aSThomas Huth /*  Type of each interrupt:  */
290*fcf5ef2aSThomas Huth #define XCHAL_INT0_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
291*fcf5ef2aSThomas Huth #define XCHAL_INT1_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
292*fcf5ef2aSThomas Huth #define XCHAL_INT2_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
293*fcf5ef2aSThomas Huth #define XCHAL_INT3_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
294*fcf5ef2aSThomas Huth #define XCHAL_INT4_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
295*fcf5ef2aSThomas Huth #define XCHAL_INT5_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
296*fcf5ef2aSThomas Huth #define XCHAL_INT6_TYPE         XTHAL_INTTYPE_TIMER
297*fcf5ef2aSThomas Huth #define XCHAL_INT7_TYPE         XTHAL_INTTYPE_SOFTWARE
298*fcf5ef2aSThomas Huth #define XCHAL_INT8_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
299*fcf5ef2aSThomas Huth #define XCHAL_INT9_TYPE         XTHAL_INTTYPE_EXTERN_LEVEL
300*fcf5ef2aSThomas Huth #define XCHAL_INT10_TYPE        XTHAL_INTTYPE_TIMER
301*fcf5ef2aSThomas Huth #define XCHAL_INT11_TYPE        XTHAL_INTTYPE_SOFTWARE
302*fcf5ef2aSThomas Huth #define XCHAL_INT12_TYPE        XTHAL_INTTYPE_EXTERN_LEVEL
303*fcf5ef2aSThomas Huth #define XCHAL_INT13_TYPE        XTHAL_INTTYPE_TIMER
304*fcf5ef2aSThomas Huth #define XCHAL_INT14_TYPE        XTHAL_INTTYPE_NMI
305*fcf5ef2aSThomas Huth #define XCHAL_INT15_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
306*fcf5ef2aSThomas Huth #define XCHAL_INT16_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
307*fcf5ef2aSThomas Huth #define XCHAL_INT17_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
308*fcf5ef2aSThomas Huth #define XCHAL_INT18_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
309*fcf5ef2aSThomas Huth #define XCHAL_INT19_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
310*fcf5ef2aSThomas Huth #define XCHAL_INT20_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
311*fcf5ef2aSThomas Huth #define XCHAL_INT21_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
312*fcf5ef2aSThomas Huth 
313*fcf5ef2aSThomas Huth /*  Masks of interrupts for each type of interrupt:  */
314*fcf5ef2aSThomas Huth #define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000
315*fcf5ef2aSThomas Huth #define XCHAL_INTTYPE_MASK_SOFTWARE     0x00000880
316*fcf5ef2aSThomas Huth #define XCHAL_INTTYPE_MASK_EXTERN_EDGE  0x003F8000
317*fcf5ef2aSThomas Huth #define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F
318*fcf5ef2aSThomas Huth #define XCHAL_INTTYPE_MASK_TIMER        0x00002440
319*fcf5ef2aSThomas Huth #define XCHAL_INTTYPE_MASK_NMI          0x00004000
320*fcf5ef2aSThomas Huth #define XCHAL_INTTYPE_MASK_WRITE_ERROR  0x00000000
321*fcf5ef2aSThomas Huth 
322*fcf5ef2aSThomas Huth /*  Interrupt numbers assigned to specific interrupt sources:  */
323*fcf5ef2aSThomas Huth #define XCHAL_TIMER0_INTERRUPT          6       /* CCOMPARE0 */
324*fcf5ef2aSThomas Huth #define XCHAL_TIMER1_INTERRUPT          10      /* CCOMPARE1 */
325*fcf5ef2aSThomas Huth #define XCHAL_TIMER2_INTERRUPT          13      /* CCOMPARE2 */
326*fcf5ef2aSThomas Huth #define XCHAL_TIMER3_INTERRUPT          XTHAL_TIMER_UNCONFIGURED
327*fcf5ef2aSThomas Huth #define XCHAL_NMI_INTERRUPT             14      /* non-maskable interrupt */
328*fcf5ef2aSThomas Huth 
329*fcf5ef2aSThomas Huth /*  Interrupt numbers for levels at which only one interrupt is configured:  */
330*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL2_NUM             8
331*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL4_NUM             12
332*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL5_NUM             13
333*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL7_NUM             14
334*fcf5ef2aSThomas Huth /*  (There are many interrupts each at level(s) 1, 3.)  */
335*fcf5ef2aSThomas Huth 
336*fcf5ef2aSThomas Huth 
337*fcf5ef2aSThomas Huth /*
338*fcf5ef2aSThomas Huth  *  External interrupt vectors/levels.
339*fcf5ef2aSThomas Huth  *  These macros describe how Xtensa processor interrupt numbers
340*fcf5ef2aSThomas Huth  *  (as numbered internally, eg. in INTERRUPT and INTENABLE registers)
341*fcf5ef2aSThomas Huth  *  map to external BInterrupt<n> pins, for those interrupts
342*fcf5ef2aSThomas Huth  *  configured as external (level-triggered, edge-triggered, or NMI).
343*fcf5ef2aSThomas Huth  *  See the Xtensa processor databook for more details.
344*fcf5ef2aSThomas Huth  */
345*fcf5ef2aSThomas Huth 
346*fcf5ef2aSThomas Huth /*  Core interrupt numbers mapped to each EXTERNAL interrupt number:  */
347*fcf5ef2aSThomas Huth #define XCHAL_EXTINT0_NUM               0       /* (intlevel 1) */
348*fcf5ef2aSThomas Huth #define XCHAL_EXTINT1_NUM               1       /* (intlevel 1) */
349*fcf5ef2aSThomas Huth #define XCHAL_EXTINT2_NUM               2       /* (intlevel 1) */
350*fcf5ef2aSThomas Huth #define XCHAL_EXTINT3_NUM               3       /* (intlevel 1) */
351*fcf5ef2aSThomas Huth #define XCHAL_EXTINT4_NUM               4       /* (intlevel 1) */
352*fcf5ef2aSThomas Huth #define XCHAL_EXTINT5_NUM               5       /* (intlevel 1) */
353*fcf5ef2aSThomas Huth #define XCHAL_EXTINT6_NUM               8       /* (intlevel 2) */
354*fcf5ef2aSThomas Huth #define XCHAL_EXTINT7_NUM               9       /* (intlevel 3) */
355*fcf5ef2aSThomas Huth #define XCHAL_EXTINT8_NUM               12      /* (intlevel 4) */
356*fcf5ef2aSThomas Huth #define XCHAL_EXTINT9_NUM               14      /* (intlevel 7) */
357*fcf5ef2aSThomas Huth #define XCHAL_EXTINT10_NUM              15      /* (intlevel 1) */
358*fcf5ef2aSThomas Huth #define XCHAL_EXTINT11_NUM              16      /* (intlevel 1) */
359*fcf5ef2aSThomas Huth #define XCHAL_EXTINT12_NUM              17      /* (intlevel 1) */
360*fcf5ef2aSThomas Huth #define XCHAL_EXTINT13_NUM              18      /* (intlevel 1) */
361*fcf5ef2aSThomas Huth #define XCHAL_EXTINT14_NUM              19      /* (intlevel 1) */
362*fcf5ef2aSThomas Huth #define XCHAL_EXTINT15_NUM              20      /* (intlevel 1) */
363*fcf5ef2aSThomas Huth #define XCHAL_EXTINT16_NUM              21      /* (intlevel 3) */
364*fcf5ef2aSThomas Huth 
365*fcf5ef2aSThomas Huth 
366*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
367*fcf5ef2aSThomas Huth                         EXCEPTIONS and VECTORS
368*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
369*fcf5ef2aSThomas Huth 
370*fcf5ef2aSThomas Huth #define XCHAL_XEA_VERSION               2       /* Xtensa Exception Architecture
371*fcf5ef2aSThomas Huth number: 1 == XEA1 (old)
372*fcf5ef2aSThomas Huth 2 == XEA2 (new)
373*fcf5ef2aSThomas Huth 0 == XEAX (extern) or TX */
374*fcf5ef2aSThomas Huth #define XCHAL_HAVE_XEA1                 0       /* Exception Architecture 1 */
375*fcf5ef2aSThomas Huth #define XCHAL_HAVE_XEA2                 1       /* Exception Architecture 2 */
376*fcf5ef2aSThomas Huth #define XCHAL_HAVE_XEAX                 0       /* External Exception Arch. */
377*fcf5ef2aSThomas Huth #define XCHAL_HAVE_EXCEPTIONS           1       /* exception option */
378*fcf5ef2aSThomas Huth #define XCHAL_HAVE_HALT                 0       /* halt architecture option */
379*fcf5ef2aSThomas Huth #define XCHAL_HAVE_BOOTLOADER           0       /* boot loader (for TX) */
380*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MEM_ECC_PARITY       0       /* local memory ECC/parity */
381*fcf5ef2aSThomas Huth #define XCHAL_HAVE_VECTOR_SELECT        1       /* relocatable vectors */
382*fcf5ef2aSThomas Huth #define XCHAL_HAVE_VECBASE              1       /* relocatable vectors */
383*fcf5ef2aSThomas Huth #define XCHAL_VECBASE_RESET_VADDR       0x00002000  /* VECBASE reset value */
384*fcf5ef2aSThomas Huth #define XCHAL_VECBASE_RESET_PADDR       0x00002000
385*fcf5ef2aSThomas Huth #define XCHAL_RESET_VECBASE_OVERLAP     0
386*fcf5ef2aSThomas Huth 
387*fcf5ef2aSThomas Huth #define XCHAL_RESET_VECTOR0_VADDR       0xFE000000
388*fcf5ef2aSThomas Huth #define XCHAL_RESET_VECTOR0_PADDR       0xFE000000
389*fcf5ef2aSThomas Huth #define XCHAL_RESET_VECTOR1_VADDR       0x00001000
390*fcf5ef2aSThomas Huth #define XCHAL_RESET_VECTOR1_PADDR       0x00001000
391*fcf5ef2aSThomas Huth #define XCHAL_RESET_VECTOR_VADDR        0xFE000000
392*fcf5ef2aSThomas Huth #define XCHAL_RESET_VECTOR_PADDR        0xFE000000
393*fcf5ef2aSThomas Huth #define XCHAL_USER_VECOFS               0x00000340
394*fcf5ef2aSThomas Huth #define XCHAL_USER_VECTOR_VADDR         0x00002340
395*fcf5ef2aSThomas Huth #define XCHAL_USER_VECTOR_PADDR         0x00002340
396*fcf5ef2aSThomas Huth #define XCHAL_KERNEL_VECOFS             0x00000300
397*fcf5ef2aSThomas Huth #define XCHAL_KERNEL_VECTOR_VADDR       0x00002300
398*fcf5ef2aSThomas Huth #define XCHAL_KERNEL_VECTOR_PADDR       0x00002300
399*fcf5ef2aSThomas Huth #define XCHAL_DOUBLEEXC_VECOFS          0x000003C0
400*fcf5ef2aSThomas Huth #define XCHAL_DOUBLEEXC_VECTOR_VADDR    0x000023C0
401*fcf5ef2aSThomas Huth #define XCHAL_DOUBLEEXC_VECTOR_PADDR    0x000023C0
402*fcf5ef2aSThomas Huth #define XCHAL_WINDOW_OF4_VECOFS         0x00000000
403*fcf5ef2aSThomas Huth #define XCHAL_WINDOW_UF4_VECOFS         0x00000040
404*fcf5ef2aSThomas Huth #define XCHAL_WINDOW_OF8_VECOFS         0x00000080
405*fcf5ef2aSThomas Huth #define XCHAL_WINDOW_UF8_VECOFS         0x000000C0
406*fcf5ef2aSThomas Huth #define XCHAL_WINDOW_OF12_VECOFS        0x00000100
407*fcf5ef2aSThomas Huth #define XCHAL_WINDOW_UF12_VECOFS        0x00000140
408*fcf5ef2aSThomas Huth #define XCHAL_WINDOW_VECTORS_VADDR      0x00002000
409*fcf5ef2aSThomas Huth #define XCHAL_WINDOW_VECTORS_PADDR      0x00002000
410*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL2_VECOFS          0x00000180
411*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL2_VECTOR_VADDR    0x00002180
412*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL2_VECTOR_PADDR    0x00002180
413*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL3_VECOFS          0x000001C0
414*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL3_VECTOR_VADDR    0x000021C0
415*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL3_VECTOR_PADDR    0x000021C0
416*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL4_VECOFS          0x00000200
417*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL4_VECTOR_VADDR    0x00002200
418*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL4_VECTOR_PADDR    0x00002200
419*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL5_VECOFS          0x00000240
420*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL5_VECTOR_VADDR    0x00002240
421*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL5_VECTOR_PADDR    0x00002240
422*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL6_VECOFS          0x00000280
423*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL6_VECTOR_VADDR    0x00002280
424*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL6_VECTOR_PADDR    0x00002280
425*fcf5ef2aSThomas Huth #define XCHAL_DEBUG_VECOFS              XCHAL_INTLEVEL6_VECOFS
426*fcf5ef2aSThomas Huth #define XCHAL_DEBUG_VECTOR_VADDR        XCHAL_INTLEVEL6_VECTOR_VADDR
427*fcf5ef2aSThomas Huth #define XCHAL_DEBUG_VECTOR_PADDR        XCHAL_INTLEVEL6_VECTOR_PADDR
428*fcf5ef2aSThomas Huth #define XCHAL_NMI_VECOFS                0x000002C0
429*fcf5ef2aSThomas Huth #define XCHAL_NMI_VECTOR_VADDR          0x000022C0
430*fcf5ef2aSThomas Huth #define XCHAL_NMI_VECTOR_PADDR          0x000022C0
431*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL7_VECOFS          XCHAL_NMI_VECOFS
432*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL7_VECTOR_VADDR    XCHAL_NMI_VECTOR_VADDR
433*fcf5ef2aSThomas Huth #define XCHAL_INTLEVEL7_VECTOR_PADDR    XCHAL_NMI_VECTOR_PADDR
434*fcf5ef2aSThomas Huth 
435*fcf5ef2aSThomas Huth 
436*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
437*fcf5ef2aSThomas Huth                                 DEBUG
438*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
439*fcf5ef2aSThomas Huth 
440*fcf5ef2aSThomas Huth #define XCHAL_HAVE_OCD                  1       /* OnChipDebug option */
441*fcf5ef2aSThomas Huth #define XCHAL_NUM_IBREAK                2       /* number of IBREAKn regs */
442*fcf5ef2aSThomas Huth #define XCHAL_NUM_DBREAK                2       /* number of DBREAKn regs */
443*fcf5ef2aSThomas Huth #define XCHAL_HAVE_OCD_DIR_ARRAY        1       /* faster OCD option */
444*fcf5ef2aSThomas Huth 
445*fcf5ef2aSThomas Huth 
446*fcf5ef2aSThomas Huth /*----------------------------------------------------------------------
447*fcf5ef2aSThomas Huth                                 MMU
448*fcf5ef2aSThomas Huth   ----------------------------------------------------------------------*/
449*fcf5ef2aSThomas Huth 
450*fcf5ef2aSThomas Huth /*  See core-matmap.h header file for more details.  */
451*fcf5ef2aSThomas Huth 
452*fcf5ef2aSThomas Huth #define XCHAL_HAVE_TLBS                 1       /* inverse of HAVE_CACHEATTR */
453*fcf5ef2aSThomas Huth #define XCHAL_HAVE_SPANNING_WAY         1       /* one way maps I+D 4GB vaddr */
454*fcf5ef2aSThomas Huth #define XCHAL_SPANNING_WAY              6       /* TLB spanning way number */
455*fcf5ef2aSThomas Huth #define XCHAL_HAVE_IDENTITY_MAP         0       /* vaddr == paddr always */
456*fcf5ef2aSThomas Huth #define XCHAL_HAVE_CACHEATTR            0       /* CACHEATTR register present */
457*fcf5ef2aSThomas Huth #define XCHAL_HAVE_MIMIC_CACHEATTR      0       /* region protection */
458*fcf5ef2aSThomas Huth #define XCHAL_HAVE_XLT_CACHEATTR        0       /* region prot. w/translation */
459*fcf5ef2aSThomas Huth #define XCHAL_HAVE_PTP_MMU              1       /* full MMU (with page table
460*fcf5ef2aSThomas Huth [autorefill] and protection)
461*fcf5ef2aSThomas Huth usable for an MMU-based OS */
462*fcf5ef2aSThomas Huth /*  If none of the above last 4 are set, it's a custom TLB configuration.  */
463*fcf5ef2aSThomas Huth #define XCHAL_ITLB_ARF_ENTRIES_LOG2     2       /* log2(autorefill way size) */
464*fcf5ef2aSThomas Huth #define XCHAL_DTLB_ARF_ENTRIES_LOG2     2       /* log2(autorefill way size) */
465*fcf5ef2aSThomas Huth 
466*fcf5ef2aSThomas Huth #define XCHAL_MMU_ASID_BITS             8       /* number of bits in ASIDs */
467*fcf5ef2aSThomas Huth #define XCHAL_MMU_RINGS                 4       /* number of rings (1..4) */
468*fcf5ef2aSThomas Huth #define XCHAL_MMU_RING_BITS             2       /* num of bits in RING field */
469*fcf5ef2aSThomas Huth 
470*fcf5ef2aSThomas Huth #endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */
471*fcf5ef2aSThomas Huth 
472*fcf5ef2aSThomas Huth 
473*fcf5ef2aSThomas Huth #endif /* XTENSA_DC233C_CORE_ISA_H */
474