spr.h revision 1.4.2.2 1 /* $NetBSD: spr.h,v 1.4.2.2 2018/06/25 07:25:45 pgoyette Exp $ */
2
3 #ifndef _POWERPC_OEA_SPR_H_
4 #define _POWERPC_OEA_SPR_H_
5
6 #if !defined(_LOCORE) && defined(_KERNEL)
7 #if defined(PPC_OEA64_BRIDGE) || defined (_ARCH_PPC64)
8
9 #include <powerpc/psl.h>
10 #include <powerpc/spr.h>
11
12 #endif
13 #endif
14
15 /*
16 * Special Purpose Register declarations.
17 *
18 * The first column in the comments indicates which PowerPC architectures the
19 * SPR is valid on - E for BookE series, 4 for 4xx series,
20 * 6 for 6xx/7xx series and 8 for 8xx (but not most 8xxx) series.
21 */
22
23 #define SPR_MQ 0x000 /* ..6. 601 MQ register */
24 #define SPR_RTCU_R 0x004 /* ..6. 601 RTC Upper - Read */
25 #define SPR_RTCL_R 0x005 /* ..6. 601 RTC Lower - Read */
26 #define SPR_DSISR 0x012 /* ..68 DSI exception source */
27 #define DSISR_DIRECT 0x80000000 /* Direct-store error exception */
28 #define DSISR_NOTFOUND 0x40000000 /* Translation not found */
29 #define DSISR_PROTECT 0x08000000 /* Memory access not permitted */
30 #define DSISR_INVRX 0x04000000 /* Reserve-indexed insn direct-store access */
31 #define DSISR_STORE 0x02000000 /* Store operation */
32 #define DSISR_DABR 0x00400000 /* DABR match */
33 #define DSISR_SEGMENT 0x00200000 /* XXX; not in 6xx PEM */
34 #define DSISR_EAR 0x00100000 /* eciwx/ecowx && EAR[E] == 0 */
35 #define SPR_DAR 0x013 /* ..68 Data Address Register */
36 #define SPR_RTCU_W 0x014 /* ..6. 601 RTC Upper - Write */
37 #define SPR_RTCL_W 0x015 /* ..6. 601 RTC Lower - Write */
38 #define SPR_SDR1 0x019 /* ..68 Page table base address register */
39 #define SPR_VRSAVE 0x100 /* ..6. AltiVec VRSAVE */
40 #define SPR_SCOMC 0x114 /* .... SCOM Control Register (970) */
41 #define SPR_SCOMD 0x115 /* .... SCOM Data Register (970) */
42 #define SCOM_PCR 0x0aa00100 /* Power Control Register */
43 #define SCOM_PCR_BIT 0x80000000 /* Data bit */
44 #define SCOM_PSR 0x40800100 /* Power Status Register */
45 #define PSR_RECEIVED (1ULL << 61)
46 #define PSR_COMPLETED (1ULL << 60)
47 #define SCOMC_READ 0x00008000
48 #define SCOMC_WRITE 0x00000000
49 #define SPR_ASR 0x118 /* ..6. Address Space Register (PPC64) */
50 #define SPR_EAR 0x11a /* ..68 External Access Register */
51 #define MPC601 0x0001
52 #define MPC603 0x0003
53 #define MPC604 0x0004
54 #define MPC602 0x0005
55 #define MPC603e 0x0006
56 #define MPC603ev 0x0007
57 #define MPC750 0x0008
58 #define MPC604e 0x0009
59 #define MPC604ev 0x000a
60 #define MPC7400 0x000c
61 #define MPC620 0x0014
62 #define IBMRS64II 0x0033
63 #define IBMRS64IIIp 0x0034
64 #define IBMPOWER4 0x0035
65 #define IBMRS64IIIi 0x0036
66 #define IBMRS64IV 0x0037
67 #define IBMPOWER4II 0x0038
68 #define IBM970 0x0039
69 #define IBMPOWER5GR 0x003a
70 #define IBMPOWER5GS 0x003b
71 #define IBM970FX 0x003c
72 #define IBMPOWER6 0x003e
73 #define IBMPOWER3 0x0040
74 #define IBMPOWER3II 0x0041
75 #define IBM970MP 0x0044
76 #define IBM970GX 0x0045
77 #define IBMCELL 0x0070
78 #define MPC8240 0x0081
79 #define PA6T 0x0090
80 #define IBMPOWER6P5 0x0f00
81 #define IBMSTB25 0x5151
82 #define IBM750FX 0x7000
83 #define IBM750GX 0x7002
84 #define MPC7450 0x8000
85 #define MPC7455 0x8001
86 #define MPC7457 0x8002
87 #define MPC7447A 0x8003
88 #define MPC7448 0x8004
89 #define MPC745X_P(v) ((v & 0xFFF8) == 0x8000)
90 #define MPC7410 0x800c
91 #define MPC5200 0x8011
92 #define MPC8245 0x8081
93 #define MPCG2 0x8082
94 #define MPCe300c1 0x8083
95 #define MPCe300c2 0x8084
96 #define MPCe300c3 0x8085
97 #define SPR_HIOR 0x137 /* .... HW Interrupt Offset (970) */
98
99 #define SPR_IBAT0U 0x210 /* ..68 Instruction BAT Reg 0 Upper */
100 #define SPR_IBAT0L 0x211 /* ..6. Instruction BAT Reg 0 Lower */
101 #define SPR_IBAT1U 0x212 /* ..6. Instruction BAT Reg 1 Upper */
102 #define SPR_IBAT1L 0x213 /* ..6. Instruction BAT Reg 1 Lower */
103 #define SPR_IBAT2U 0x214 /* ..6. Instruction BAT Reg 2 Upper */
104 #define SPR_IBAT2L 0x215 /* ..6. Instruction BAT Reg 2 Lower */
105 #define SPR_IBAT3U 0x216 /* ..6. Instruction BAT Reg 3 Upper */
106 #define SPR_IBAT3L 0x217 /* ..6. Instruction BAT Reg 3 Lower */
107 #define SPR_DBAT0U 0x218 /* ..6. Data BAT Reg 0 Upper */
108 #define SPR_DBAT0L 0x219 /* ..6. Data BAT Reg 0 Lower */
109 #define SPR_DBAT1U 0x21a /* ..6. Data BAT Reg 1 Upper */
110 #define SPR_DBAT1L 0x21b /* ..6. Data BAT Reg 1 Lower */
111 #define SPR_DBAT2U 0x21c /* ..6. Data BAT Reg 2 Upper */
112 #define SPR_DBAT2L 0x21d /* ..6. Data BAT Reg 2 Lower */
113 #define SPR_DBAT3U 0x21e /* ..6. Data BAT Reg 3 Upper */
114 #define SPR_DBAT3L 0x21f /* ..6. Data BAT Reg 3 Lower */
115 #define SPR_IBAT4U 0x230 /* ..6. Instruction BAT Reg 4 Upper */
116 #define SPR_IBAT4L 0x231 /* ..6. Instruction BAT Reg 4 Lower */
117 #define SPR_IBAT5U 0x232 /* ..6. Instruction BAT Reg 5 Upper */
118 #define SPR_IBAT5L 0x233 /* ..6. Instruction BAT Reg 5 Lower */
119 #define SPR_IBAT6U 0x234 /* ..6. Instruction BAT Reg 6 Upper */
120 #define SPR_IBAT6L 0x235 /* ..6. Instruction BAT Reg 6 Lower */
121 #define SPR_IBAT7U 0x236 /* ..6. Instruction BAT Reg 7 Upper */
122 #define SPR_IBAT7L 0x237 /* ..6. Instruction BAT Reg 7 Lower */
123 #define SPR_DBAT4U 0x238 /* ..6. Data BAT Reg 4 Upper */
124 #define SPR_DBAT4L 0x239 /* ..6. Data BAT Reg 4 Lower */
125 #define SPR_DBAT5U 0x23a /* ..6. Data BAT Reg 5 Upper */
126 #define SPR_DBAT5L 0x23b /* ..6. Data BAT Reg 5 Lower */
127 #define SPR_DBAT6U 0x23c /* ..6. Data BAT Reg 6 Upper */
128 #define SPR_DBAT6L 0x23d /* ..6. Data BAT Reg 6 Lower */
129 #define SPR_DBAT7U 0x23e /* ..6. Data BAT Reg 7 Upper */
130 #define SPR_DBAT7L 0x23f /* ..6. Data BAT Reg 7 Upper */
131 #define SPR_UMMCR2 0x3a0 /* ..6. User Monitor Mode Control Register 2 */
132 #define SPR_UMMCR0 0x3a8 /* ..6. User Monitor Mode Control Register 0 */
133 #define SPR_USIA 0x3ab /* ..6. User Sampled Instruction Address */
134 #define SPR_UMMCR1 0x3ac /* ..6. User Monitor Mode Control Register 1 */
135 #define SPR_MMCR2 0x3b0 /* ..6. Monitor Mode Control Register 2 */
136 #define SPR_MMCR2_THRESHMULT_32 0x80000000 /* Multiply MMCR0 threshold by 32 */
137 #define SPR_MMCR2_THRESHMULT_2 0x00000000 /* Multiply MMCR0 threshold by 2 */
138 #define SPR_PMC5 0x3b1 /* ..6. Performance Counter Register 5 */
139 #define SPR_PMC6 0x3b2 /* ..6. Performance Counter Register 6 */
140
141 #define SPR_MMCR0 0x3b8 /* ..6. Monitor Mode Control Register 0 */
142 #define MMCR0_FC 0x80000000 /* Freeze counters */
143 #define MMCR0_FCS 0x40000000 /* Freeze counters in supervisor mode */
144 #define MMCR0_FCP 0x20000000 /* Freeze counters in user mode */
145 #define MMCR0_FCM1 0x10000000 /* Freeze counters when mark=1 */
146 #define MMCR0_FCM0 0x08000000 /* Freeze counters when mark=0 */
147 #define MMCR0_PMXE 0x04000000 /* Enable PM interrupt */
148 #define MMCR0_FCECE 0x02000000 /* Freeze counters after event */
149 #define MMCR0_TBSEL_15 0x01800000 /* Count bit 15 of TBL */
150 #define MMCR0_TBSEL_19 0x01000000 /* Count bit 19 of TBL */
151 #define MMCR0_TBSEL_23 0x00800000 /* Count bit 23 of TBL */
152 #define MMCR0_TBSEL_31 0x00000000 /* Count bit 31 of TBL */
153 #define MMCR0_TBEE 0x00400000 /* Time-base event enable */
154 #define MMCRO_THRESHOLD(x) ((x) << 16) /* Threshold value */
155 #define MMCR0_PMC1CE 0x00008000 /* PMC1 condition enable */
156 #define MMCR0_PMCNCE 0x00004000 /* PMCn condition enable */
157 #define MMCR0_TRIGGER 0x00002000 /* Trigger */
158 #define MMCR0_PMC1SEL(x) ((x) << 6) /* PMC1 selector */
159 #define MMCR0_PMC2SEL(x) ((x) << 0) /* PMC2 selector */
160 #define SPR_PMC1 0x3b9 /* ..6. Performance Counter Register 1 */
161 #define SPR_PMC2 0x3ba /* ..6. Performance Counter Register 2 */
162 #define SPR_SIA 0x3bb /* ..6. Sampled Instruction Address */
163 #define SPR_MMCR1 0x3bc /* ..6. Monitor Mode Control Register 2 */
164 #define MMCR1_PMC3SEL(x) ((x) << 27) /* PMC 3 selector */
165 #define MMCR1_PMC4SEL(x) ((x) << 22) /* PMC 4 selector */
166 #define MMCR1_PMC5SEL(x) ((x) << 17) /* PMC 5 selector */
167 #define MMCR1_PMC6SEL(x) ((x) << 11) /* PMC 6 selector */
168
169 #define SPR_PMC3 0x3bd /* ..6. Performance Counter Register 3 */
170 #define SPR_PMC4 0x3be /* ..6. Performance Counter Register 4 */
171 #define SPR_DMISS 0x3d0 /* ..68 Data TLB Miss Address Register */
172 #define SPR_DCMP 0x3d1 /* ..68 Data TLB Compare Register */
173 #define SPR_HASH1 0x3d2 /* ..68 Primary Hash Address Register */
174 #define SPR_HASH2 0x3d3 /* ..68 Secondary Hash Address Register */
175 #define SPR_IMISS 0x3d4 /* ..68 Instruction TLB Miss Address Register */
176 #define SPR_TLBMISS 0x3d4 /* ..6. TLB Miss Address Register */
177 #define SPR_ICMP 0x3d5 /* ..68 Instruction TLB Compare Register */
178 #define SPR_PTEHI 0x3d5 /* ..6. Instruction TLB Compare Register */
179 #define SPR_RPA 0x3d6 /* ..68 Required Physical Address Register */
180 #define SPR_PTELO 0x3d6 /* ..6. Required Physical Address Register */
181 #define SPR_HID0 0x3f0 /* E.68 Hardware Implementation Register
182 0 */
183 #define SPR_HID1 0x3f1 /* E.68 Hardware Implementation Register
184 1 */
185 #define SPR_HID4 0x3f4 /* ..6. 970 HID4 */
186 #define SPR_HID5 0x3f6 /* ..6. 970 HID5 */
187 #define SPR_DABR 0x3f5 /* ..6. Data Address Breakpoint Register */
188 #define SPR_MSSCR0 0x3f6 /* ..6. Memory SubSystem Control Register */
189 #define MSSCR0_SHDEN 0x80000000 /* 0: Shared-state enable */
190 #define MSSCR0_SHDPEN3 0x40000000 /* 1: ~SHD[01] signal enable in MEI mode */
191 #define MSSCR0_L1INTVEN 0x38000000 /* 2-4: L1 data cache ~HIT intervention enable */
192 #define MSSCR0_L2INTVEN 0x07000000 /* 5-7: L2 data cache ~HIT intervention enable */
193 #define MSSCR0_DL1HWF 0x00800000 /* 8: L1 data cache hardware flush */
194 #define MSSCR0_MBO 0x00400000 /* 9: must be one */
195 #define MSSCR0_EMODE 0x00200000 /* 10: MPX bus mode (read-only) */
196 #define MSSCR0_ABD 0x00100000 /* 11: address bus driven (read-only) */
197 #define MSSCR0_BMODE 0x0000c000 /* 16-17: Bus Mode (read-only) (7450) */
198 #define MSSCR0_ID 0x00000040 /* 26: Processor ID */
199 #define MSSCR0_L2PFE 0x00000003 /* 30-31: L2 prefetching enabled (7450) */
200 #define SPR_L2PM 0x3f8 /* ..6. L2 Private Memory Control Register */
201 #define SPR_L2CR 0x3f9 /* ..6. L2 Control Register */
202 #define L2CR_L2E 0x80000000 /* 0: L2 enable */
203 #define L2CR_L2PE 0x40000000 /* 1: L2 data parity enable */
204 #define L2CR_L2SIZ 0x30000000 /* 2-3: L2 size */
205 #define L2SIZ_2M 0x00000000
206 #define L2SIZ_256K 0x10000000
207 #define L2SIZ_512K 0x20000000
208 #define L2SIZ_1M 0x30000000
209 #define L2CR_L2CLK 0x0e000000 /* 4-6: L2 clock ratio */
210 #define L2CLK_DIS 0x00000000 /* disable L2 clock */
211 #define L2CLK_10 0x02000000 /* core clock / 1 */
212 #define L2CLK_15 0x04000000 /* / 1.5 */
213 #define L2CLK_35 0x06000000 /* / 3.5 */
214 #define L2CLK_20 0x08000000 /* / 2 */
215 #define L2CLK_25 0x0a000000 /* / 2.5 */
216 #define L2CLK_30 0x0c000000 /* / 3 */
217 #define L2CLK_40 0x0e000000 /* / 4 */
218 #define L2CR_L2RAM 0x01800000 /* 7-8: L2 RAM type */
219 #define L2RAM_FLOWTHRU_BURST 0x00000000
220 #define L2RAM_PIPELINE_BURST 0x01000000
221 #define L2RAM_PIPELINE_LATE 0x01800000
222 #define L2CR_L2DO 0x00400000 /* 9: L2 data-only.
223 Setting this bit disables instruction
224 caching. */
225 #define L2CR_L2I 0x00200000 /* 10: L2 global invalidate. */
226 #define L2CR_L2CTL 0x00100000 /* 11: L2 RAM control (ZZ enable).
227 Enables automatic operation of the
228 L2ZZ (low-power mode) signal. */
229 #define L2CR_L2WT 0x00080000 /* 12: L2 write-through. */
230 #define L2CR_L2TS 0x00040000 /* 13: L2 test support. */
231 #define L2CR_L2OH 0x00030000 /* 14-15: L2 output hold. */
232 #define L2CR_L2SL 0x00008000 /* 16: L2 DLL slow. */
233 #define L2CR_L2DF 0x00004000 /* 17: L2 differential clock. */
234 #define L2CR_L2BYP 0x00002000 /* 18: L2 DLL bypass. */
235 #define L2CR_L2FA 0x00001000 /* 19: L2 flush assist (for software flush). */
236 #define L2CR_L2HWF 0x00000800 /* 20: L2 hardware flush. */
237 #define L2CR_L2IO 0x00000400 /* 21: L2 instruction-only. */
238 #define L2CR_L2CLKSTP 0x00000200 /* 22: L2 clock stop. */
239 #define L2CR_L2DRO 0x00000100 /* 23: L2DLL rollover checkstop enable. */
240 #define L2CR_L2IP 0x00000001 /* 31: L2 global invalidate in */
241 /* progress (read only). */
242 #define SPR_L3CR 0x3fa /* ..6. L3 Control Register */
243 #define L3CR_RESERVED 0x0438003a /* Reserved bits in L3CR */
244 #define L3CR_L3E 0x80000000 /* 0: L3 enable */
245 #define L3CR_L3PE 0x40000000 /* 1: L3 data parity checking enable */
246 #define L3CR_L3APE 0x20000000 /* 2: L3 address parity checking enable */
247 #define L3CR_L3SIZ 0x10000000 /* 3: L3 size (0=1MB, 1=2MB) */
248 #define L3SIZ_1M 0x00000000
249 #define L3SIZ_2M 0x10000000
250 #define L3CR_L3CLKEN 0x08000000 /* 4: Enables the L3_CLK[0:1] signals */
251 #define L3CR_L3CLK 0x03800000 /* 6-8: L3 clock ratio */
252 #define L3CLK_60 0x00000000 /* core clock / 6 */
253 #define L3CLK_20 0x01000000 /* / 2 */
254 #define L3CLK_25 0x01800000 /* / 2.5 */
255 #define L3CLK_30 0x02000000 /* / 3 */
256 #define L3CLK_35 0x02800000 /* / 3.5 */
257 #define L3CLK_40 0x03000000 /* / 4 */
258 #define L3CLK_50 0x03800000 /* / 5 */
259 #define L3CR_L3IO 0x00400000 /* 9: L3 instruction-only mode */
260 #define L3CR_L3SPO 0x00040000 /* 13: L3 sample point override */
261 #define L3CR_L3CKSP 0x00030000 /* 14-15: L3 clock sample point */
262 #define L3CKSP_2 0x00000000 /* 2 clocks */
263 #define L3CKSP_3 0x00010000 /* 3 clocks */
264 #define L3CKSP_4 0x00020000 /* 4 clocks */
265 #define L3CKSP_5 0x00030000 /* 5 clocks */
266 #define L3CR_L3PSP 0x0000e000 /* 16-18: L3 P-clock sample point */
267 #define L3PSP_0 0x00000000 /* 0 clocks */
268 #define L3PSP_1 0x00002000 /* 1 clocks */
269 #define L3PSP_2 0x00004000 /* 2 clocks */
270 #define L3PSP_3 0x00006000 /* 3 clocks */
271 #define L3PSP_4 0x00008000 /* 4 clocks */
272 #define L3PSP_5 0x0000a000 /* 5 clocks */
273 #define L3CR_L3REP 0x00001000 /* 19: L3 replacement algorithm (0=default, 1=alternate) */
274 #define L3CR_L3HWF 0x00000800 /* 20: L3 hardware flush */
275 #define L3CR_L3I 0x00000400 /* 21: L3 global invalidate */
276 #define L3CR_L3RT 0x00000300 /* 22-23: L3 SRAM type */
277 #define L3RT_MSUG2_DDR 0x00000000 /* MSUG2 DDR SRAM */
278 #define L3RT_PIPELINE_LATE 0x00000100 /* Pipelined (register-register) synchronous late-write SRAM */
279 #define L3RT_PB2_SRAM 0x00000300 /* PB2 SRAM */
280 #define L3CR_L3NIRCA 0x00000080 /* 24: L3 non-integer ratios clock adjustment for the SRAM */
281 #define L3CR_L3DO 0x00000040 /* 25: L3 data-only mode */
282 #define L3CR_PMEN 0x00000004 /* 29: Private memory enable */
283 #define L3CR_PMSIZ 0x00000004 /* 31: Private memory size (0=1MB, 1=2MB) */
284 #define SPR_ICTC 0x3fb /* ..6. instruction cache throttling */
285 #define ICTC_ENABLE 0x00000001 /* enable throttling */
286 #define ICTC_COUNT_M 0x000001fe /* number of waits to insert */
287 #define SPR_THRM1 0x3fc /* ..6. Thermal Management Register */
288 #define SPR_THRM2 0x3fd /* ..6. Thermal Management Register */
289 #define SPR_THRM_TIN 0x80000000 /* Thermal interrupt bit (RO) */
290 #define SPR_THRM_TIV 0x40000000 /* Thermal interrupt valid (RO) */
291 #define SPR_THRM_THRESHOLD(x) ((x) << 23) /* Thermal sensor threshold */
292 #define SPR_THRM_TID 0x00000004 /* Thermal interrupt direction */
293 #define SPR_THRM_TIE 0x00000002 /* Thermal interrupt enable */
294 #define SPR_THRM_VALID 0x00000001 /* Valid bit */
295 #define SPR_THRM3 0x3fe /* ..6. Thermal Management Register */
296 #define SPR_THRM_TIMER(x) ((x) << 1) /* Sampling interval timer */
297 #define SPR_THRM_ENABLE 0x00000001 /* TAU Enable */
298 #define SPR_FPECR 0x3fe /* ..6. Floating-Point Exception Cause Register */
299 #define SPR_PIR 0x3ff /* ..6. Processor Identification Register */
300
301 /* Performance counter declarations */
302 #define PMC_OVERFLOW 0x80000000 /* Counter has overflowed */
303
304 /* The first five countable [non-]events are common to all the PMC's */
305 #define PMCN_NONE 0 /* Count nothing */
306 #define PMCN_CYCLES 1 /* Processor cycles */
307 #define PMCN_ICOMP 2 /* Instructions completed */
308 #define PMCN_TBLTRANS 3 /* TBL bit transitions */
309 #define PCMN_IDISPATCH 4 /* Instructions dispatched */
310
311 #if !defined(_LOCORE) && defined(_KERNEL)
312
313 #if defined(PPC_OEA64_BRIDGE) || defined (_ARCH_PPC64)
314
315 static inline uint64_t
316 scom_read(register_t address)
317 {
318 register_t msr;
319 uint64_t ret;
320
321 msr = mfmsr();
322 mtmsr(msr & ~PSL_EE);
323 __asm volatile("isync;");
324
325 mtspr(SPR_SCOMC, address | SCOMC_READ);
326 __asm volatile("isync;");
327
328 ret = mfspr(SPR_SCOMD);
329 mtmsr(msr);
330 __asm volatile("isync;");
331
332 return ret;
333 }
334
335 static inline void
336 scom_write(register_t address, uint64_t data)
337 {
338 register_t msr;
339
340 msr = mfmsr();
341 mtmsr(msr & ~PSL_EE);
342 __asm volatile("isync;");
343
344 mtspr(SPR_SCOMD, data);
345 __asm volatile("isync;");
346 mtspr(SPR_SCOMC, address | SCOMC_WRITE);
347 __asm volatile("isync;");
348
349 mtmsr(msr);
350 __asm volatile("isync;");
351 }
352
353 #endif /* defined(PPC_OEA64_BRIDGE) || defined (_ARCH_PPC64) */
354
355 #endif /* !defined(_LOCORE) && defined(_KERNEL) */
356
357 #endif /* !_POWERPC_SPR_H_ */
358