2 * Contains the definition of registers common to all PowerPC variants.
3 * If a register definition has been changed in a different PowerPC
4 * variant, we will case it in #ifndef XXX ... #endif, and have the
5 * number used in the Programming Environments Manual For 32-Bit
6 * Implementations of the PowerPC Architecture (a.k.a. Green Book) here.
9 #ifndef _ASM_POWERPC_REG_H
10 #define _ASM_POWERPC_REG_H
13 #include <linux/stringify.h>
14 #include <asm/cputable.h>
16 /* Pickup Book E specific registers. */
17 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
18 #include <asm/reg_booke.h>
19 #endif /* CONFIG_BOOKE || CONFIG_40x */
21 #ifdef CONFIG_FSL_EMB_PERFMON
22 #include <asm/reg_fsl_emb.h>
26 #include <asm/reg_8xx.h>
27 #endif /* CONFIG_8xx */
29 #define MSR_SF_LG 63 /* Enable 64 bit mode */
30 #define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */
31 #define MSR_HV_LG 60 /* Hypervisor state */
32 #define MSR_VEC_LG 25 /* Enable AltiVec */
33 #define MSR_VSX_LG 23 /* Enable VSX */
34 #define MSR_POW_LG 18 /* Enable Power Management */
35 #define MSR_WE_LG 18 /* Wait State Enable */
36 #define MSR_TGPR_LG 17 /* TLB Update registers in use */
37 #define MSR_CE_LG 17 /* Critical Interrupt Enable */
38 #define MSR_ILE_LG 16 /* Interrupt Little Endian */
39 #define MSR_EE_LG 15 /* External Interrupt Enable */
40 #define MSR_PR_LG 14 /* Problem State / Privilege Level */
41 #define MSR_FP_LG 13 /* Floating Point enable */
42 #define MSR_ME_LG 12 /* Machine Check Enable */
43 #define MSR_FE0_LG 11 /* Floating Exception mode 0 */
44 #define MSR_SE_LG 10 /* Single Step */
45 #define MSR_BE_LG 9 /* Branch Trace */
46 #define MSR_DE_LG 9 /* Debug Exception Enable */
47 #define MSR_FE1_LG 8 /* Floating Exception mode 1 */
48 #define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */
49 #define MSR_IR_LG 5 /* Instruction Relocate */
50 #define MSR_DR_LG 4 /* Data Relocate */
51 #define MSR_PE_LG 3 /* Protection Enable */
52 #define MSR_PX_LG 2 /* Protection Exclusive Mode */
53 #define MSR_PMM_LG 2 /* Performance monitor */
54 #define MSR_RI_LG 1 /* Recoverable Exception */
55 #define MSR_LE_LG 0 /* Little Endian */
58 #define __MASK(X) (1<<(X))
60 #define __MASK(X) (1UL<<(X))
64 #define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */
65 #define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */
66 #define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */
68 /* so tests for these bits fail on 32-bit */
74 #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */
75 #define MSR_VSX __MASK(MSR_VSX_LG) /* Enable VSX */
76 #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */
77 #define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */
78 #define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */
79 #define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */
80 #define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */
81 #define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */
82 #define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */
83 #define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */
84 #define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */
85 #define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */
86 #define MSR_SE __MASK(MSR_SE_LG) /* Single Step */
87 #define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */
88 #define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */
89 #define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */
90 #define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */
91 #define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */
92 #define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */
93 #define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */
94 #define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */
96 #define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */
98 #define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */
99 #define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */
101 #if defined(CONFIG_PPC_BOOK3S_64)
103 #define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV
104 #define MSR_KERNEL MSR_ | MSR_SF
105 #define MSR_USER32 MSR_ | MSR_PR | MSR_EE
106 #define MSR_USER64 MSR_USER32 | MSR_SF
107 #elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_8xx)
108 /* Default MSR for kernel mode. */
109 #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR)
110 #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
113 /* Floating Point Status and Control Register (FPSCR) Fields */
114 #define FPSCR_FX 0x80000000 /* FPU exception summary */
115 #define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */
116 #define FPSCR_VX 0x20000000 /* Invalid operation summary */
117 #define FPSCR_OX 0x10000000 /* Overflow exception summary */
118 #define FPSCR_UX 0x08000000 /* Underflow exception summary */
119 #define FPSCR_ZX 0x04000000 /* Zero-divide exception summary */
120 #define FPSCR_XX 0x02000000 /* Inexact exception summary */
121 #define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */
122 #define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */
123 #define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */
124 #define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */
125 #define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */
126 #define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */
127 #define FPSCR_FR 0x00040000 /* Fraction rounded */
128 #define FPSCR_FI 0x00020000 /* Fraction inexact */
129 #define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */
130 #define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */
131 #define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */
132 #define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */
133 #define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */
134 #define FPSCR_VE 0x00000080 /* Invalid op exception enable */
135 #define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */
136 #define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */
137 #define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */
138 #define FPSCR_XE 0x00000008 /* FP inexact exception enable */
139 #define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */
140 #define FPSCR_RN 0x00000003 /* FPU rounding control */
142 /* Bit definitions for SPEFSCR. */
143 #define SPEFSCR_SOVH 0x80000000 /* Summary integer overflow high */
144 #define SPEFSCR_OVH 0x40000000 /* Integer overflow high */
145 #define SPEFSCR_FGH 0x20000000 /* Embedded FP guard bit high */
146 #define SPEFSCR_FXH 0x10000000 /* Embedded FP sticky bit high */
147 #define SPEFSCR_FINVH 0x08000000 /* Embedded FP invalid operation high */
148 #define SPEFSCR_FDBZH 0x04000000 /* Embedded FP div by zero high */
149 #define SPEFSCR_FUNFH 0x02000000 /* Embedded FP underflow high */
150 #define SPEFSCR_FOVFH 0x01000000 /* Embedded FP overflow high */
151 #define SPEFSCR_FINXS 0x00200000 /* Embedded FP inexact sticky */
152 #define SPEFSCR_FINVS 0x00100000 /* Embedded FP invalid op. sticky */
153 #define SPEFSCR_FDBZS 0x00080000 /* Embedded FP div by zero sticky */
154 #define SPEFSCR_FUNFS 0x00040000 /* Embedded FP underflow sticky */
155 #define SPEFSCR_FOVFS 0x00020000 /* Embedded FP overflow sticky */
156 #define SPEFSCR_MODE 0x00010000 /* Embedded FP mode */
157 #define SPEFSCR_SOV 0x00008000 /* Integer summary overflow */
158 #define SPEFSCR_OV 0x00004000 /* Integer overflow */
159 #define SPEFSCR_FG 0x00002000 /* Embedded FP guard bit */
160 #define SPEFSCR_FX 0x00001000 /* Embedded FP sticky bit */
161 #define SPEFSCR_FINV 0x00000800 /* Embedded FP invalid operation */
162 #define SPEFSCR_FDBZ 0x00000400 /* Embedded FP div by zero */
163 #define SPEFSCR_FUNF 0x00000200 /* Embedded FP underflow */
164 #define SPEFSCR_FOVF 0x00000100 /* Embedded FP overflow */
165 #define SPEFSCR_FINXE 0x00000040 /* Embedded FP inexact enable */
166 #define SPEFSCR_FINVE 0x00000020 /* Embedded FP invalid op. enable */
167 #define SPEFSCR_FDBZE 0x00000010 /* Embedded FP div by zero enable */
168 #define SPEFSCR_FUNFE 0x00000008 /* Embedded FP underflow enable */
169 #define SPEFSCR_FOVFE 0x00000004 /* Embedded FP overflow enable */
170 #define SPEFSCR_FRMC 0x00000003 /* Embedded FP rounding mode control */
172 /* Special Purpose Registers (SPRNs)*/
173 #define SPRN_CTR 0x009 /* Count Register */
174 #define SPRN_DSCR 0x11
175 #define SPRN_CTRLF 0x088
176 #define SPRN_CTRLT 0x098
177 #define CTRL_CT 0xc0000000 /* current thread */
178 #define CTRL_CT0 0x80000000 /* thread 0 */
179 #define CTRL_CT1 0x40000000 /* thread 1 */
180 #define CTRL_TE 0x00c00000 /* thread enable */
181 #define CTRL_RUNLATCH 0x1
182 #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
183 #define DABR_TRANSLATION (1UL << 2)
184 #define DABR_DATA_WRITE (1UL << 1)
185 #define DABR_DATA_READ (1UL << 0)
186 #define SPRN_DABR2 0x13D /* e300 */
187 #define SPRN_DABRX 0x3F7 /* Data Address Breakpoint Register Extension */
188 #define DABRX_USER (1UL << 0)
189 #define DABRX_KERNEL (1UL << 1)
190 #define SPRN_DAR 0x013 /* Data Address Register */
191 #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */
192 #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
193 #define DSISR_NOHPTE 0x40000000 /* no translation found */
194 #define DSISR_PROTFAULT 0x08000000 /* protection fault */
195 #define DSISR_ISSTORE 0x02000000 /* access was a store */
196 #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
197 #define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */
198 #define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
199 #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
200 #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */
201 #define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */
202 #define SPRN_SPURR 0x134 /* Scaled PURR */
203 #define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */
204 #define SPRN_LPCR 0x13E /* LPAR Control Register */
205 #define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */
206 #define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */
207 #define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */
208 #define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */
209 #define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */
210 #define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */
211 #define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */
212 #define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper Register */
213 #define SPRN_DBAT4L 0x239 /* Data BAT 4 Lower Register */
214 #define SPRN_DBAT4U 0x238 /* Data BAT 4 Upper Register */
215 #define SPRN_DBAT5L 0x23B /* Data BAT 5 Lower Register */
216 #define SPRN_DBAT5U 0x23A /* Data BAT 5 Upper Register */
217 #define SPRN_DBAT6L 0x23D /* Data BAT 6 Lower Register */
218 #define SPRN_DBAT6U 0x23C /* Data BAT 6 Upper Register */
219 #define SPRN_DBAT7L 0x23F /* Data BAT 7 Lower Register */
220 #define SPRN_DBAT7U 0x23E /* Data BAT 7 Upper Register */
222 #define SPRN_DEC 0x016 /* Decrement Register */
223 #define SPRN_DER 0x095 /* Debug Enable Regsiter */
224 #define DER_RSTE 0x40000000 /* Reset Interrupt */
225 #define DER_CHSTPE 0x20000000 /* Check Stop */
226 #define DER_MCIE 0x10000000 /* Machine Check Interrupt */
227 #define DER_EXTIE 0x02000000 /* External Interrupt */
228 #define DER_ALIE 0x01000000 /* Alignment Interrupt */
229 #define DER_PRIE 0x00800000 /* Program Interrupt */
230 #define DER_FPUVIE 0x00400000 /* FP Unavailable Interrupt */
231 #define DER_DECIE 0x00200000 /* Decrementer Interrupt */
232 #define DER_SYSIE 0x00040000 /* System Call Interrupt */
233 #define DER_TRE 0x00020000 /* Trace Interrupt */
234 #define DER_SEIE 0x00004000 /* FP SW Emulation Interrupt */
235 #define DER_ITLBMSE 0x00002000 /* Imp. Spec. Instruction TLB Miss */
236 #define DER_ITLBERE 0x00001000 /* Imp. Spec. Instruction TLB Error */
237 #define DER_DTLBMSE 0x00000800 /* Imp. Spec. Data TLB Miss */
238 #define DER_DTLBERE 0x00000400 /* Imp. Spec. Data TLB Error */
239 #define DER_LBRKE 0x00000008 /* Load/Store Breakpoint Interrupt */
240 #define DER_IBRKE 0x00000004 /* Instruction Breakpoint Interrupt */
241 #define DER_EBRKE 0x00000002 /* External Breakpoint Interrupt */
242 #define DER_DPIE 0x00000001 /* Dev. Port Nonmaskable Request */
243 #define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */
244 #define SPRN_EAR 0x11A /* External Address Register */
245 #define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */
246 #define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */
247 #define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
248 #define HID0_EMCP (1<<31) /* Enable Machine Check pin */
249 #define HID0_EBA (1<<29) /* Enable Bus Address Parity */
250 #define HID0_EBD (1<<28) /* Enable Bus Data Parity */
251 #define HID0_SBCLK (1<<27)
252 #define HID0_EICE (1<<26)
253 #define HID0_TBEN (1<<26) /* Timebase enable - 745x */
254 #define HID0_ECLK (1<<25)
255 #define HID0_PAR (1<<24)
256 #define HID0_STEN (1<<24) /* Software table search enable - 745x */
257 #define HID0_HIGH_BAT (1<<23) /* Enable high BATs - 7455 */
258 #define HID0_DOZE (1<<23)
259 #define HID0_NAP (1<<22)
260 #define HID0_SLEEP (1<<21)
261 #define HID0_DPM (1<<20)
262 #define HID0_BHTCLR (1<<18) /* Clear branch history table - 7450 */
263 #define HID0_XAEN (1<<17) /* Extended addressing enable - 7450 */
264 #define HID0_NHR (1<<16) /* Not hard reset (software bit-7450)*/
265 #define HID0_ICE (1<<15) /* Instruction Cache Enable */
266 #define HID0_DCE (1<<14) /* Data Cache Enable */
267 #define HID0_ILOCK (1<<13) /* Instruction Cache Lock */
268 #define HID0_DLOCK (1<<12) /* Data Cache Lock */
269 #define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */
270 #define HID0_DCI (1<<10) /* Data Cache Invalidate */
271 #define HID0_SPD (1<<9) /* Speculative disable */
272 #define HID0_DAPUEN (1<<8) /* Debug APU enable */
273 #define HID0_SGE (1<<7) /* Store Gathering Enable */
274 #define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */
275 #define HID0_DCFA (1<<6) /* Data Cache Flush Assist */
276 #define HID0_LRSTK (1<<4) /* Link register stack - 745x */
277 #define HID0_BTIC (1<<5) /* Branch Target Instr Cache Enable */
278 #define HID0_ABE (1<<3) /* Address Broadcast Enable */
279 #define HID0_FOLD (1<<3) /* Branch Folding enable - 745x */
280 #define HID0_BHTE (1<<2) /* Branch History Table Enable */
281 #define HID0_BTCD (1<<1) /* Branch target cache disable */
282 #define HID0_NOPDST (1<<1) /* No-op dst, dstt, etc. instr. */
283 #define HID0_NOPTI (1<<0) /* No-op dcbt and dcbst instr. */
285 #define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
287 #define HID1_EMCP (1<<31) /* 7450 Machine Check Pin Enable */
288 #define HID1_DFS (1<<22) /* 7447A Dynamic Frequency Scaling */
289 #define HID1_PC0 (1<<16) /* 7450 PLL_CFG[0] */
290 #define HID1_PC1 (1<<15) /* 7450 PLL_CFG[1] */
291 #define HID1_PC2 (1<<14) /* 7450 PLL_CFG[2] */
292 #define HID1_PC3 (1<<13) /* 7450 PLL_CFG[3] */
293 #define HID1_SYNCBE (1<<11) /* 7450 ABE for sync, eieio */
294 #define HID1_ABE (1<<10) /* 7450 Address Broadcast Enable */
295 #define HID1_PS (1<<16) /* 750FX PLL selection */
297 #define SPRN_HID2 0x3F8 /* Hardware Implementation Register 2 */
298 #define SPRN_HID2_GEKKO 0x398 /* Gekko HID2 Register */
299 #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
300 #define SPRN_IABR2 0x3FA /* 83xx */
301 #define SPRN_IBCR 0x135 /* 83xx Insn Breakpoint Control Reg */
302 #define SPRN_HID4 0x3F4 /* 970 HID4 */
303 #define SPRN_HID4_GEKKO 0x3F3 /* Gekko HID4 */
304 #define SPRN_HID5 0x3F6 /* 970 HID5 */
305 #define SPRN_HID6 0x3F9 /* BE HID 6 */
306 #define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */
307 #define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */
308 #define SPRN_TSC_CELL 0x399 /* Thread switch control on Cell */
309 #define TSC_CELL_DEC_ENABLE_0 0x400000 /* Decrementer Interrupt */
310 #define TSC_CELL_DEC_ENABLE_1 0x200000 /* Decrementer Interrupt */
311 #define TSC_CELL_EE_ENABLE 0x100000 /* External Interrupt */
312 #define TSC_CELL_EE_BOOST 0x080000 /* External Interrupt Boost */
313 #define SPRN_TSC 0x3FD /* Thread switch control on others */
314 #define SPRN_TST 0x3FC /* Thread switch timeout on others */
315 #if !defined(SPRN_IAC1) && !defined(SPRN_IAC2)
316 #define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
317 #define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
319 #define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */
320 #define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */
321 #define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */
322 #define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */
323 #define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */
324 #define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */
325 #define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */
326 #define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */
327 #define SPRN_IBAT4L 0x231 /* Instruction BAT 4 Lower Register */
328 #define SPRN_IBAT4U 0x230 /* Instruction BAT 4 Upper Register */
329 #define SPRN_IBAT5L 0x233 /* Instruction BAT 5 Lower Register */
330 #define SPRN_IBAT5U 0x232 /* Instruction BAT 5 Upper Register */
331 #define SPRN_IBAT6L 0x235 /* Instruction BAT 6 Lower Register */
332 #define SPRN_IBAT6U 0x234 /* Instruction BAT 6 Upper Register */
333 #define SPRN_IBAT7L 0x237 /* Instruction BAT 7 Lower Register */
334 #define SPRN_IBAT7U 0x236 /* Instruction BAT 7 Upper Register */
335 #define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */
336 #define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */
337 #define SPRN_ICTRL 0x3F3 /* 1011 7450 icache and interrupt ctrl */
338 #define ICTRL_EICE 0x08000000 /* enable icache parity errs */
339 #define ICTRL_EDC 0x04000000 /* enable dcache parity errs */
340 #define ICTRL_EICP 0x00000100 /* enable icache par. check */
341 #define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */
342 #define SPRN_IMMR 0x27E /* Internal Memory Map Register */
343 #define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */
344 #define SPRN_L2CR2 0x3f8
345 #define L2CR_L2E 0x80000000 /* L2 enable */
346 #define L2CR_L2PE 0x40000000 /* L2 parity enable */
347 #define L2CR_L2SIZ_MASK 0x30000000 /* L2 size mask */
348 #define L2CR_L2SIZ_256KB 0x10000000 /* L2 size 256KB */
349 #define L2CR_L2SIZ_512KB 0x20000000 /* L2 size 512KB */
350 #define L2CR_L2SIZ_1MB 0x30000000 /* L2 size 1MB */
351 #define L2CR_L2CLK_MASK 0x0e000000 /* L2 clock mask */
352 #define L2CR_L2CLK_DISABLED 0x00000000 /* L2 clock disabled */
353 #define L2CR_L2CLK_DIV1 0x02000000 /* L2 clock / 1 */
354 #define L2CR_L2CLK_DIV1_5 0x04000000 /* L2 clock / 1.5 */
355 #define L2CR_L2CLK_DIV2 0x08000000 /* L2 clock / 2 */
356 #define L2CR_L2CLK_DIV2_5 0x0a000000 /* L2 clock / 2.5 */
357 #define L2CR_L2CLK_DIV3 0x0c000000 /* L2 clock / 3 */
358 #define L2CR_L2RAM_MASK 0x01800000 /* L2 RAM type mask */
359 #define L2CR_L2RAM_FLOW 0x00000000 /* L2 RAM flow through */
360 #define L2CR_L2RAM_PIPE 0x01000000 /* L2 RAM pipelined */
361 #define L2CR_L2RAM_PIPE_LW 0x01800000 /* L2 RAM pipelined latewr */
362 #define L2CR_L2DO 0x00400000 /* L2 data only */
363 #define L2CR_L2I 0x00200000 /* L2 global invalidate */
364 #define L2CR_L2CTL 0x00100000 /* L2 RAM control */
365 #define L2CR_L2WT 0x00080000 /* L2 write-through */
366 #define L2CR_L2TS 0x00040000 /* L2 test support */
367 #define L2CR_L2OH_MASK 0x00030000 /* L2 output hold mask */
368 #define L2CR_L2OH_0_5 0x00000000 /* L2 output hold 0.5 ns */
369 #define L2CR_L2OH_1_0 0x00010000 /* L2 output hold 1.0 ns */
370 #define L2CR_L2SL 0x00008000 /* L2 DLL slow */
371 #define L2CR_L2DF 0x00004000 /* L2 differential clock */
372 #define L2CR_L2BYP 0x00002000 /* L2 DLL bypass */
373 #define L2CR_L2IP 0x00000001 /* L2 GI in progress */
374 #define L2CR_L2IO_745x 0x00100000 /* L2 instr. only (745x) */
375 #define L2CR_L2DO_745x 0x00010000 /* L2 data only (745x) */
376 #define L2CR_L2REP_745x 0x00001000 /* L2 repl. algorithm (745x) */
377 #define L2CR_L2HWF_745x 0x00000800 /* L2 hardware flush (745x) */
378 #define SPRN_L3CR 0x3FA /* Level 3 Cache Control Regsiter */
379 #define L3CR_L3E 0x80000000 /* L3 enable */
380 #define L3CR_L3PE 0x40000000 /* L3 data parity enable */
381 #define L3CR_L3APE 0x20000000 /* L3 addr parity enable */
382 #define L3CR_L3SIZ 0x10000000 /* L3 size */
383 #define L3CR_L3CLKEN 0x08000000 /* L3 clock enable */
384 #define L3CR_L3RES 0x04000000 /* L3 special reserved bit */
385 #define L3CR_L3CLKDIV 0x03800000 /* L3 clock divisor */
386 #define L3CR_L3IO 0x00400000 /* L3 instruction only */
387 #define L3CR_L3SPO 0x00040000 /* L3 sample point override */
388 #define L3CR_L3CKSP 0x00030000 /* L3 clock sample point */
389 #define L3CR_L3PSP 0x0000e000 /* L3 P-clock sample point */
390 #define L3CR_L3REP 0x00001000 /* L3 replacement algorithm */
391 #define L3CR_L3HWF 0x00000800 /* L3 hardware flush */
392 #define L3CR_L3I 0x00000400 /* L3 global invalidate */
393 #define L3CR_L3RT 0x00000300 /* L3 SRAM type */
394 #define L3CR_L3NIRCA 0x00000080 /* L3 non-integer ratio clock adj. */
395 #define L3CR_L3DO 0x00000040 /* L3 data only mode */
396 #define L3CR_PMEN 0x00000004 /* L3 private memory enable */
397 #define L3CR_PMSIZ 0x00000001 /* L3 private memory size */
399 #define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */
400 #define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */
401 #define SPRN_LDSTCR 0x3f8 /* Load/Store control register */
402 #define SPRN_LDSTDB 0x3f4 /* */
403 #define SPRN_LR 0x008 /* Link Register */
405 #define SPRN_PIR 0x3FF /* Processor Identification Register */
407 #define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */
408 #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */
409 #define SPRN_PURR 0x135 /* Processor Utilization of Resources Reg */
410 #define SPRN_PVR 0x11F /* Processor Version Register */
411 #define SPRN_RPA 0x3D6 /* Required Physical Address Register */
412 #define SPRN_SDA 0x3BF /* Sampled Data Address Register */
413 #define SPRN_SDR1 0x019 /* MMU Hash Base Register */
414 #define SPRN_ASR 0x118 /* Address Space Register */
415 #define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */
416 #define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */
417 #define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */
418 #define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */
419 #define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */
420 #define SPRN_SPRG4 0x114 /* Special Purpose Register General 4 */
421 #define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 */
422 #define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 */
423 #define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */
424 #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */
425 #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */
426 #define SRR1_WAKEMASK 0x00380000 /* reason for wakeup */
427 #define SRR1_WAKERESET 0x00380000 /* System reset */
428 #define SRR1_WAKESYSERR 0x00300000 /* System error */
429 #define SRR1_WAKEEE 0x00200000 /* External interrupt */
430 #define SRR1_WAKEMT 0x00280000 /* mtctrl */
431 #define SRR1_WAKEDEC 0x00180000 /* Decrementer interrupt */
432 #define SRR1_WAKETHERM 0x00100000 /* Thermal management interrupt */
433 #define SRR1_PROGFPE 0x00100000 /* Floating Point Enabled */
434 #define SRR1_PROGPRIV 0x00040000 /* Privileged instruction */
435 #define SRR1_PROGTRAP 0x00020000 /* Trap */
436 #define SRR1_PROGADDR 0x00010000 /* SRR0 contains subsequent addr */
437 #define SPRN_HSRR0 0x13A /* Save/Restore Register 0 */
438 #define SPRN_HSRR1 0x13B /* Save/Restore Register 1 */
440 #define SPRN_TBCTL 0x35f /* PA6T Timebase control register */
441 #define TBCTL_FREEZE 0x0000000000000000ull /* Freeze all tbs */
442 #define TBCTL_RESTART 0x0000000100000000ull /* Restart all tbs */
443 #define TBCTL_UPDATE_UPPER 0x0000000200000000ull /* Set upper 32 bits */
444 #define TBCTL_UPDATE_LOWER 0x0000000300000000ull /* Set lower 32 bits */
447 #define SPRN_SVR 0x11E /* System Version Register */
449 #define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */
450 /* these bits were defined in inverted endian sense originally, ugh, confusing */
451 #define THRM1_TIN (1 << 31)
452 #define THRM1_TIV (1 << 30)
453 #define THRM1_THRES(x) ((x&0x7f)<<23)
454 #define THRM3_SITV(x) ((x&0x3fff)<<1)
455 #define THRM1_TID (1<<2)
456 #define THRM1_TIE (1<<1)
457 #define THRM1_V (1<<0)
458 #define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */
459 #define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */
460 #define THRM3_E (1<<0)
461 #define SPRN_TLBMISS 0x3D4 /* 980 7450 TLB Miss Register */
462 #define SPRN_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */
463 #define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */
464 #define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */
465 #define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */
466 #define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */
467 #define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */
468 #define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
469 #define SPRN_VRSAVE 0x100 /* Vector Register Save Register */
470 #define SPRN_XER 0x001 /* Fixed Point Exception Register */
472 #define SPRN_MMCR0_GEKKO 0x3B8 /* Gekko Monitor Mode Control Register 0 */
473 #define SPRN_MMCR1_GEKKO 0x3BC /* Gekko Monitor Mode Control Register 1 */
474 #define SPRN_PMC1_GEKKO 0x3B9 /* Gekko Performance Monitor Control 1 */
475 #define SPRN_PMC2_GEKKO 0x3BA /* Gekko Performance Monitor Control 2 */
476 #define SPRN_PMC3_GEKKO 0x3BD /* Gekko Performance Monitor Control 3 */
477 #define SPRN_PMC4_GEKKO 0x3BE /* Gekko Performance Monitor Control 4 */
478 #define SPRN_WPAR_GEKKO 0x399 /* Gekko Write Pipe Address Register */
480 #define SPRN_SCOMC 0x114 /* SCOM Access Control */
481 #define SPRN_SCOMD 0x115 /* SCOM Access DATA */
483 /* Performance monitor SPRs */
485 #define SPRN_MMCR0 795
486 #define MMCR0_FC 0x80000000UL /* freeze counters */
487 #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
488 #define MMCR0_KERNEL_DISABLE MMCR0_FCS
489 #define MMCR0_FCP 0x20000000UL /* freeze in problem state */
490 #define MMCR0_PROBLEM_DISABLE MMCR0_FCP
491 #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
492 #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
493 #define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */
494 #define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */
495 #define MMCR0_TBEE 0x00400000UL /* time base exception enable */
496 #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
497 #define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/
498 #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
499 #define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */
500 #define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */
501 #define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */
502 #define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */
503 #define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
504 #define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
505 #define SPRN_MMCR1 798
506 #define SPRN_MMCRA 0x312
507 #define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */
508 #define MMCRA_SDAR_DCACHE_MISS 0x40000000UL
509 #define MMCRA_SDAR_ERAT_MISS 0x20000000UL
510 #define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */
511 #define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */
512 #define MMCRA_SLOT 0x07000000UL /* SLOT bits (37-39) */
513 #define MMCRA_SLOT_SHIFT 24
514 #define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */
515 #define POWER6_MMCRA_SDSYNC 0x0000080000000000ULL /* SDAR/SIAR synced */
516 #define POWER6_MMCRA_SIHV 0x0000040000000000ULL
517 #define POWER6_MMCRA_SIPR 0x0000020000000000ULL
518 #define POWER6_MMCRA_THRM 0x00000020UL
519 #define POWER6_MMCRA_OTHER 0x0000000EUL
520 #define SPRN_PMC1 787
521 #define SPRN_PMC2 788
522 #define SPRN_PMC3 789
523 #define SPRN_PMC4 790
524 #define SPRN_PMC5 791
525 #define SPRN_PMC6 792
526 #define SPRN_PMC7 793
527 #define SPRN_PMC8 794
528 #define SPRN_SIAR 780
529 #define SPRN_SDAR 781
531 #define SPRN_PA6T_MMCR0 795
532 #define PA6T_MMCR0_EN0 0x0000000000000001UL
533 #define PA6T_MMCR0_EN1 0x0000000000000002UL
534 #define PA6T_MMCR0_EN2 0x0000000000000004UL
535 #define PA6T_MMCR0_EN3 0x0000000000000008UL
536 #define PA6T_MMCR0_EN4 0x0000000000000010UL
537 #define PA6T_MMCR0_EN5 0x0000000000000020UL
538 #define PA6T_MMCR0_SUPEN 0x0000000000000040UL
539 #define PA6T_MMCR0_PREN 0x0000000000000080UL
540 #define PA6T_MMCR0_HYPEN 0x0000000000000100UL
541 #define PA6T_MMCR0_FCM0 0x0000000000000200UL
542 #define PA6T_MMCR0_FCM1 0x0000000000000400UL
543 #define PA6T_MMCR0_INTGEN 0x0000000000000800UL
544 #define PA6T_MMCR0_INTEN0 0x0000000000001000UL
545 #define PA6T_MMCR0_INTEN1 0x0000000000002000UL
546 #define PA6T_MMCR0_INTEN2 0x0000000000004000UL
547 #define PA6T_MMCR0_INTEN3 0x0000000000008000UL
548 #define PA6T_MMCR0_INTEN4 0x0000000000010000UL
549 #define PA6T_MMCR0_INTEN5 0x0000000000020000UL
550 #define PA6T_MMCR0_DISCNT 0x0000000000040000UL
551 #define PA6T_MMCR0_UOP 0x0000000000080000UL
552 #define PA6T_MMCR0_TRG 0x0000000000100000UL
553 #define PA6T_MMCR0_TRGEN 0x0000000000200000UL
554 #define PA6T_MMCR0_TRGREG 0x0000000001600000UL
555 #define PA6T_MMCR0_SIARLOG 0x0000000002000000UL
556 #define PA6T_MMCR0_SDARLOG 0x0000000004000000UL
557 #define PA6T_MMCR0_PROEN 0x0000000008000000UL
558 #define PA6T_MMCR0_PROLOG 0x0000000010000000UL
559 #define PA6T_MMCR0_DAMEN2 0x0000000020000000UL
560 #define PA6T_MMCR0_DAMEN3 0x0000000040000000UL
561 #define PA6T_MMCR0_DAMEN4 0x0000000080000000UL
562 #define PA6T_MMCR0_DAMEN5 0x0000000100000000UL
563 #define PA6T_MMCR0_DAMSEL2 0x0000000200000000UL
564 #define PA6T_MMCR0_DAMSEL3 0x0000000400000000UL
565 #define PA6T_MMCR0_DAMSEL4 0x0000000800000000UL
566 #define PA6T_MMCR0_DAMSEL5 0x0000001000000000UL
567 #define PA6T_MMCR0_HANDDIS 0x0000002000000000UL
568 #define PA6T_MMCR0_PCTEN 0x0000004000000000UL
569 #define PA6T_MMCR0_SOCEN 0x0000008000000000UL
570 #define PA6T_MMCR0_SOCMOD 0x0000010000000000UL
572 #define SPRN_PA6T_MMCR1 798
573 #define PA6T_MMCR1_ES2 0x00000000000000ffUL
574 #define PA6T_MMCR1_ES3 0x000000000000ff00UL
575 #define PA6T_MMCR1_ES4 0x0000000000ff0000UL
576 #define PA6T_MMCR1_ES5 0x00000000ff000000UL
578 #define SPRN_PA6T_UPMC0 771 /* User PerfMon Counter 0 */
579 #define SPRN_PA6T_UPMC1 772 /* ... */
580 #define SPRN_PA6T_UPMC2 773
581 #define SPRN_PA6T_UPMC3 774
582 #define SPRN_PA6T_UPMC4 775
583 #define SPRN_PA6T_UPMC5 776
584 #define SPRN_PA6T_UMMCR0 779 /* User Monitor Mode Control Register 0 */
585 #define SPRN_PA6T_SIAR 780 /* Sampled Instruction Address */
586 #define SPRN_PA6T_UMMCR1 782 /* User Monitor Mode Control Register 1 */
587 #define SPRN_PA6T_SIER 785 /* Sampled Instruction Event Register */
588 #define SPRN_PA6T_PMC0 787
589 #define SPRN_PA6T_PMC1 788
590 #define SPRN_PA6T_PMC2 789
591 #define SPRN_PA6T_PMC3 790
592 #define SPRN_PA6T_PMC4 791
593 #define SPRN_PA6T_PMC5 792
594 #define SPRN_PA6T_TSR0 793 /* Timestamp Register 0 */
595 #define SPRN_PA6T_TSR1 794 /* Timestamp Register 1 */
596 #define SPRN_PA6T_TSR2 799 /* Timestamp Register 2 */
597 #define SPRN_PA6T_TSR3 784 /* Timestamp Register 3 */
599 #define SPRN_PA6T_IER 981 /* Icache Error Register */
600 #define SPRN_PA6T_DER 982 /* Dcache Error Register */
601 #define SPRN_PA6T_BER 862 /* BIU Error Address Register */
602 #define SPRN_PA6T_MER 849 /* MMU Error Register */
604 #define SPRN_PA6T_IMA0 880 /* Instruction Match Array 0 */
605 #define SPRN_PA6T_IMA1 881 /* ... */
606 #define SPRN_PA6T_IMA2 882
607 #define SPRN_PA6T_IMA3 883
608 #define SPRN_PA6T_IMA4 884
609 #define SPRN_PA6T_IMA5 885
610 #define SPRN_PA6T_IMA6 886
611 #define SPRN_PA6T_IMA7 887
612 #define SPRN_PA6T_IMA8 888
613 #define SPRN_PA6T_IMA9 889
614 #define SPRN_PA6T_BTCR 978 /* Breakpoint and Tagging Control Register */
615 #define SPRN_PA6T_IMAAT 979 /* Instruction Match Array Action Table */
616 #define SPRN_PA6T_PCCR 1019 /* Power Counter Control Register */
617 #define SPRN_BKMK 1020 /* Cell Bookmark Register */
618 #define SPRN_PA6T_RPCCR 1021 /* Retire PC Trace Control Register */
622 #define SPRN_MMCR0 952 /* Monitor Mode Control Register 0 */
623 #define MMCR0_FC 0x80000000UL /* freeze counters */
624 #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
625 #define MMCR0_FCP 0x20000000UL /* freeze in problem state */
626 #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
627 #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
628 #define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */
629 #define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */
630 #define MMCR0_TBEE 0x00400000UL /* time base exception enable */
631 #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
632 #define MMCR0_PMCnCE 0x00004000UL /* count enable for all but PMC 1*/
633 #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
634 #define MMCR0_PMC1SEL 0x00001fc0UL /* PMC 1 Event */
635 #define MMCR0_PMC2SEL 0x0000003fUL /* PMC 2 Event */
637 #define SPRN_MMCR1 956
638 #define MMCR1_PMC3SEL 0xf8000000UL /* PMC 3 Event */
639 #define MMCR1_PMC4SEL 0x07c00000UL /* PMC 4 Event */
640 #define MMCR1_PMC5SEL 0x003e0000UL /* PMC 5 Event */
641 #define MMCR1_PMC6SEL 0x0001f800UL /* PMC 6 Event */
642 #define SPRN_MMCR2 944
643 #define SPRN_PMC1 953 /* Performance Counter Register 1 */
644 #define SPRN_PMC2 954 /* Performance Counter Register 2 */
645 #define SPRN_PMC3 957 /* Performance Counter Register 3 */
646 #define SPRN_PMC4 958 /* Performance Counter Register 4 */
647 #define SPRN_PMC5 945 /* Performance Counter Register 5 */
648 #define SPRN_PMC6 946 /* Performance Counter Register 6 */
650 #define SPRN_SIAR 955 /* Sampled Instruction Address Register */
652 /* Bit definitions for MMCR0 and PMC1 / PMC2. */
653 #define MMCR0_PMC1_CYCLES (1 << 7)
654 #define MMCR0_PMC1_ICACHEMISS (5 << 7)
655 #define MMCR0_PMC1_DTLB (6 << 7)
656 #define MMCR0_PMC2_DCACHEMISS 0x6
657 #define MMCR0_PMC2_CYCLES 0x1
658 #define MMCR0_PMC2_ITLB 0x7
659 #define MMCR0_PMC2_LOADMISSTIME 0x5
666 * - SPRG1 stores PACA pointer
669 * - SPRG0 unused (reserved for HV on Power4)
670 * - SPRG2 scratch for exception vectors
671 * - SPRG3 unused (user visible)
674 * - SPRG0 generic exception scratch
675 * - SPRG2 TLB exception stack
676 * - SPRG3 unused (user visible)
677 * - SPRG4 unused (user visible)
678 * - SPRG6 TLB miss scratch (user visible, sorry !)
679 * - SPRG7 critical exception scratch
680 * - SPRG8 machine check exception scratch
681 * - SPRG9 debug exception scratch
684 * - SPRG3 current thread_info pointer
685 * (virtual on BookE, physical on others)
688 * - SPRG0 scratch for exception vectors
689 * - SPRG1 scratch for exception vectors
690 * - SPRG2 indicator that we are in RTAS
691 * - SPRG4 (603 only) pseudo TLB LRU data
694 * - SPRG0 scratch for exception vectors
695 * - SPRG1 scratch for exception vectors
696 * - SPRG2 scratch for exception vectors
697 * - SPRG4 scratch for exception vectors (not 403)
698 * - SPRG5 scratch for exception vectors (not 403)
699 * - SPRG6 scratch for exception vectors (not 403)
700 * - SPRG7 scratch for exception vectors (not 403)
702 * 32-bit 440 and FSL BookE:
703 * - SPRG0 scratch for exception vectors
704 * - SPRG1 scratch for exception vectors (*)
705 * - SPRG2 scratch for crit interrupts handler
706 * - SPRG4 scratch for exception vectors
707 * - SPRG5 scratch for exception vectors
708 * - SPRG6 scratch for machine check handler
709 * - SPRG7 scratch for exception vectors
710 * - SPRG9 scratch for debug vectors (e500 only)
712 * Additionally, BookE separates "read" and "write"
713 * of those registers. That allows to use the userspace
714 * readable variant for reads, which can avoid a fault
715 * with KVM type virtualization.
717 * (*) Under KVM, the host SPRG1 is used to point to
718 * the current VCPU data structure
721 * - SPRG0 scratch for exception vectors
722 * - SPRG1 scratch for exception vectors
723 * - SPRG2 apparently unused but initialized
727 #define SPRN_SPRG_PACA SPRN_SPRG1
729 #define SPRN_SPRG_THREAD SPRN_SPRG3
732 #ifdef CONFIG_PPC_BOOK3S_64
733 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG2
736 #ifdef CONFIG_PPC_BOOK3E_64
737 #define SPRN_SPRG_MC_SCRATCH SPRN_SPRG8
738 #define SPRN_SPRG_CRIT_SCRATCH SPRN_SPRG7
739 #define SPRN_SPRG_DBG_SCRATCH SPRN_SPRG9
740 #define SPRN_SPRG_TLB_EXFRAME SPRN_SPRG2
741 #define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6
742 #define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0
745 #ifdef CONFIG_PPC_BOOK3S_32
746 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
747 #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
748 #define SPRN_SPRG_RTAS SPRN_SPRG2
749 #define SPRN_SPRG_603_LRU SPRN_SPRG4
753 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
754 #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
755 #define SPRN_SPRG_SCRATCH2 SPRN_SPRG2
756 #define SPRN_SPRG_SCRATCH3 SPRN_SPRG4
757 #define SPRN_SPRG_SCRATCH4 SPRN_SPRG5
758 #define SPRN_SPRG_SCRATCH5 SPRN_SPRG6
759 #define SPRN_SPRG_SCRATCH6 SPRN_SPRG7
763 #define SPRN_SPRG_RSCRATCH0 SPRN_SPRG0
764 #define SPRN_SPRG_WSCRATCH0 SPRN_SPRG0
765 #define SPRN_SPRG_RSCRATCH1 SPRN_SPRG1
766 #define SPRN_SPRG_WSCRATCH1 SPRN_SPRG1
767 #define SPRN_SPRG_RSCRATCH_CRIT SPRN_SPRG2
768 #define SPRN_SPRG_WSCRATCH_CRIT SPRN_SPRG2
769 #define SPRN_SPRG_RSCRATCH2 SPRN_SPRG4R
770 #define SPRN_SPRG_WSCRATCH2 SPRN_SPRG4W
771 #define SPRN_SPRG_RSCRATCH3 SPRN_SPRG5R
772 #define SPRN_SPRG_WSCRATCH3 SPRN_SPRG5W
773 #define SPRN_SPRG_RSCRATCH_MC SPRN_SPRG6R
774 #define SPRN_SPRG_WSCRATCH_MC SPRN_SPRG6W
775 #define SPRN_SPRG_RSCRATCH4 SPRN_SPRG7R
776 #define SPRN_SPRG_WSCRATCH4 SPRN_SPRG7W
778 #define SPRN_SPRG_RSCRATCH_DBG SPRN_SPRG6R
779 #define SPRN_SPRG_WSCRATCH_DBG SPRN_SPRG6W
781 #define SPRN_SPRG_RSCRATCH_DBG SPRN_SPRG9
782 #define SPRN_SPRG_WSCRATCH_DBG SPRN_SPRG9
784 #define SPRN_SPRG_RVCPU SPRN_SPRG1
785 #define SPRN_SPRG_WVCPU SPRN_SPRG1
789 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
790 #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
794 * An mtfsf instruction with the L bit set. On CPUs that support this a
795 * full 64bits of FPSCR is restored and on other CPUs the L bit is ignored.
797 * Until binutils gets the new form of mtfsf, hardwire the instruction.
800 #define MTFSF_L(REG) \
801 .long (0xfc00058e | ((0xff) << 17) | ((REG) << 11) | (1 << 25))
803 #define MTFSF_L(REG) mtfsf 0xff, (REG)
806 /* Processor Version Register (PVR) field extraction */
808 #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
809 #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
811 #define __is_processor(pv) (PVR_VER(mfspr(SPRN_PVR)) == (pv))
814 * IBM has further subdivided the standard PowerPC 16-bit version and
815 * revision subfields of the PVR for the PowerPC 403s into the following:
818 #define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */
819 #define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */
820 #define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */
821 #define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */
822 #define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */
823 #define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */
825 /* Processor Version Numbers */
827 #define PVR_403GA 0x00200000
828 #define PVR_403GB 0x00200100
829 #define PVR_403GC 0x00200200
830 #define PVR_403GCX 0x00201400
831 #define PVR_405GP 0x40110000
832 #define PVR_476 0x11a52000
833 #define PVR_STB03XXX 0x40310000
834 #define PVR_NP405H 0x41410000
835 #define PVR_NP405L 0x41610000
836 #define PVR_601 0x00010000
837 #define PVR_602 0x00050000
838 #define PVR_603 0x00030000
839 #define PVR_603e 0x00060000
840 #define PVR_603ev 0x00070000
841 #define PVR_603r 0x00071000
842 #define PVR_604 0x00040000
843 #define PVR_604e 0x00090000
844 #define PVR_604r 0x000A0000
845 #define PVR_620 0x00140000
846 #define PVR_740 0x00080000
847 #define PVR_750 PVR_740
848 #define PVR_740P 0x10080000
849 #define PVR_750P PVR_740P
850 #define PVR_7400 0x000C0000
851 #define PVR_7410 0x800C0000
852 #define PVR_7450 0x80000000
853 #define PVR_8540 0x80200000
854 #define PVR_8560 0x80200000
856 * For the 8xx processors, all of them report the same PVR family for
857 * the PowerPC core. The various versions of these processors must be
858 * differentiated by the version number in the Communication Processor
861 #define PVR_821 0x00500000
862 #define PVR_823 PVR_821
863 #define PVR_850 PVR_821
864 #define PVR_860 PVR_821
865 #define PVR_8240 0x00810100
866 #define PVR_8245 0x80811014
867 #define PVR_8260 PVR_8240
869 /* 476 Simulator seems to currently have the PVR of the 602... */
870 #define PVR_476_ISS 0x00052000
872 /* 64-bit processors */
873 /* XXX the prefix should be PVR_, we'll do a global sweep to fix it one day */
874 #define PV_NORTHSTAR 0x0033
875 #define PV_PULSAR 0x0034
876 #define PV_POWER4 0x0035
877 #define PV_ICESTAR 0x0036
878 #define PV_SSTAR 0x0037
879 #define PV_POWER4p 0x0038
880 #define PV_970 0x0039
881 #define PV_POWER5 0x003A
882 #define PV_POWER5p 0x003B
883 #define PV_970FX 0x003C
884 #define PV_630 0x0040
885 #define PV_630p 0x0041
886 #define PV_970MP 0x0044
887 #define PV_970GX 0x0045
889 #define PV_PA6T 0x0090
891 /* Macros for setting and retrieving special purpose registers */
893 #define mfmsr() ({unsigned long rval; \
894 asm volatile("mfmsr %0" : "=r" (rval)); rval;})
895 #ifdef CONFIG_PPC_BOOK3S_64
896 #define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
897 : : "r" (v) : "memory")
898 #define mtmsrd(v) __mtmsrd((v), 0)
899 #define mtmsr(v) mtmsrd(v)
901 #define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v) : "memory")
904 #define mfspr(rn) ({unsigned long rval; \
905 asm volatile("mfspr %0," __stringify(rn) \
906 : "=r" (rval)); rval;})
907 #define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)\
911 #ifdef CONFIG_PPC_CELL
912 #define mftb() ({unsigned long rval; \
915 "97: cmpwi %0,0;\n" \
918 ".section __ftr_fixup,\"a\"\n" \
923 " .llong 97b-98b\n" \
924 " .llong 99b-98b\n" \
928 : "=r" (rval) : "i" (CPU_FTR_CELL_TB_BUG)); rval;})
930 #define mftb() ({unsigned long rval; \
931 asm volatile("mftb %0" : "=r" (rval)); rval;})
932 #endif /* !CONFIG_PPC_CELL */
934 #else /* __powerpc64__ */
936 #define mftbl() ({unsigned long rval; \
937 asm volatile("mftbl %0" : "=r" (rval)); rval;})
938 #define mftbu() ({unsigned long rval; \
939 asm volatile("mftbu %0" : "=r" (rval)); rval;})
940 #endif /* !__powerpc64__ */
942 #define mttbl(v) asm volatile("mttbl %0":: "r"(v))
943 #define mttbu(v) asm volatile("mttbu %0":: "r"(v))
946 #define mfsrin(v) ({unsigned int rval; \
947 asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \
951 #define proc_trap() asm volatile("trap")
955 extern void ppc64_runlatch_on(void);
956 extern void __ppc64_runlatch_off(void);
958 #define ppc64_runlatch_off() \
960 if (cpu_has_feature(CPU_FTR_CTRL) && \
961 test_thread_flag(TIF_RUNLATCH)) \
962 __ppc64_runlatch_off(); \
965 extern unsigned long scom970_read(unsigned int address
);
966 extern void scom970_write(unsigned int address
, unsigned long value
);
969 #define ppc64_runlatch_on()
970 #define ppc64_runlatch_off()
972 #endif /* CONFIG_PPC64 */
974 #define __get_SP() ({unsigned long sp; \
975 asm volatile("mr %0,1": "=r" (sp)); sp;})
979 extern void ppc_save_regs(struct pt_regs
*regs
);
981 #endif /* __ASSEMBLY__ */
982 #endif /* __KERNEL__ */
983 #endif /* _ASM_POWERPC_REG_H */
