1 /*
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.
7  */
8 
9 #ifndef _ASM_POWERPC_REG_H
10 #define _ASM_POWERPC_REG_H
11 #ifdef __KERNEL__
12 
13 #include <linux/stringify.h>
14 #include <asm/cputable.h>
15 
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 */
20 
21 #ifdef CONFIG_FSL_EMB_PERFMON
22 #include <asm/reg_fsl_emb.h>
23 #endif
24 
25 #ifdef CONFIG_8xx
26 #include <asm/reg_8xx.h>
27 #endif /* CONFIG_8xx */
28 
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 */
56 
57 #ifdef __ASSEMBLY__
58 #define __MASK(X)	(1<<(X))
59 #else
60 #define __MASK(X)	(1UL<<(X))
61 #endif
62 
63 #ifdef CONFIG_PPC64
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 */
67 #else
68 /* so tests for these bits fail on 32-bit */
69 #define MSR_SF		0
70 #define MSR_ISF		0
71 #define MSR_HV		0
72 #endif
73 
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 */
95 #ifndef MSR_PMM
96 #define MSR_PMM		__MASK(MSR_PMM_LG)	/* Performance monitor */
97 #endif
98 #define MSR_RI		__MASK(MSR_RI_LG)	/* Recoverable Exception */
99 #define MSR_LE		__MASK(MSR_LE_LG)	/* Little Endian */
100 
101 #if defined(CONFIG_PPC_BOOK3S_64)
102 /* Server variant */
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)
111 #endif
112 
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 */
141 
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 */
171 
172 /* Special Purpose Registers (SPRNs)*/
173 
174 #ifdef CONFIG_40x
175 #define SPRN_PID	0x3B1	/* Process ID */
176 #else
177 #define SPRN_PID	0x030	/* Process ID */
178 #ifdef CONFIG_BOOKE
179 #define SPRN_PID0	SPRN_PID/* Process ID Register 0 */
180 #endif
181 #endif
182 
183 #define SPRN_CTR	0x009	/* Count Register */
184 #define SPRN_DSCR	0x11
185 #define SPRN_CTRLF	0x088
186 #define SPRN_CTRLT	0x098
187 #define   CTRL_CT	0xc0000000	/* current thread */
188 #define   CTRL_CT0	0x80000000	/* thread 0 */
189 #define   CTRL_CT1	0x40000000	/* thread 1 */
190 #define   CTRL_TE	0x00c00000	/* thread enable */
191 #define   CTRL_RUNLATCH	0x1
192 #define SPRN_DABR	0x3F5	/* Data Address Breakpoint Register */
193 #define   DABR_TRANSLATION	(1UL << 2)
194 #define   DABR_DATA_WRITE	(1UL << 1)
195 #define   DABR_DATA_READ	(1UL << 0)
196 #define SPRN_DABR2	0x13D	/* e300 */
197 #define SPRN_DABRX	0x3F7	/* Data Address Breakpoint Register Extension */
198 #define   DABRX_USER	(1UL << 0)
199 #define   DABRX_KERNEL	(1UL << 1)
200 #define SPRN_DAR	0x013	/* Data Address Register */
201 #define SPRN_DBCR	0x136	/* e300 Data Breakpoint Control Reg */
202 #define SPRN_DSISR	0x012	/* Data Storage Interrupt Status Register */
203 #define   DSISR_NOHPTE		0x40000000	/* no translation found */
204 #define   DSISR_PROTFAULT	0x08000000	/* protection fault */
205 #define   DSISR_ISSTORE		0x02000000	/* access was a store */
206 #define   DSISR_DABRMATCH	0x00400000	/* hit data breakpoint */
207 #define   DSISR_NOSEGMENT	0x00200000	/* STAB/SLB miss */
208 #define SPRN_TBRL	0x10C	/* Time Base Read Lower Register (user, R/O) */
209 #define SPRN_TBRU	0x10D	/* Time Base Read Upper Register (user, R/O) */
210 #define SPRN_TBWL	0x11C	/* Time Base Lower Register (super, R/W) */
211 #define SPRN_TBWU	0x11D	/* Time Base Upper Register (super, R/W) */
212 #define SPRN_SPURR	0x134	/* Scaled PURR */
213 #define SPRN_HIOR	0x137	/* 970 Hypervisor interrupt offset */
214 #define SPRN_LPCR	0x13E	/* LPAR Control Register */
215 #define SPRN_DBAT0L	0x219	/* Data BAT 0 Lower Register */
216 #define SPRN_DBAT0U	0x218	/* Data BAT 0 Upper Register */
217 #define SPRN_DBAT1L	0x21B	/* Data BAT 1 Lower Register */
218 #define SPRN_DBAT1U	0x21A	/* Data BAT 1 Upper Register */
219 #define SPRN_DBAT2L	0x21D	/* Data BAT 2 Lower Register */
220 #define SPRN_DBAT2U	0x21C	/* Data BAT 2 Upper Register */
221 #define SPRN_DBAT3L	0x21F	/* Data BAT 3 Lower Register */
222 #define SPRN_DBAT3U	0x21E	/* Data BAT 3 Upper Register */
223 #define SPRN_DBAT4L	0x239	/* Data BAT 4 Lower Register */
224 #define SPRN_DBAT4U	0x238	/* Data BAT 4 Upper Register */
225 #define SPRN_DBAT5L	0x23B	/* Data BAT 5 Lower Register */
226 #define SPRN_DBAT5U	0x23A	/* Data BAT 5 Upper Register */
227 #define SPRN_DBAT6L	0x23D	/* Data BAT 6 Lower Register */
228 #define SPRN_DBAT6U	0x23C	/* Data BAT 6 Upper Register */
229 #define SPRN_DBAT7L	0x23F	/* Data BAT 7 Lower Register */
230 #define SPRN_DBAT7U	0x23E	/* Data BAT 7 Upper Register */
231 
232 #define SPRN_DEC	0x016		/* Decrement Register */
233 #define SPRN_DER	0x095		/* Debug Enable Regsiter */
234 #define DER_RSTE	0x40000000	/* Reset Interrupt */
235 #define DER_CHSTPE	0x20000000	/* Check Stop */
236 #define DER_MCIE	0x10000000	/* Machine Check Interrupt */
237 #define DER_EXTIE	0x02000000	/* External Interrupt */
238 #define DER_ALIE	0x01000000	/* Alignment Interrupt */
239 #define DER_PRIE	0x00800000	/* Program Interrupt */
240 #define DER_FPUVIE	0x00400000	/* FP Unavailable Interrupt */
241 #define DER_DECIE	0x00200000	/* Decrementer Interrupt */
242 #define DER_SYSIE	0x00040000	/* System Call Interrupt */
243 #define DER_TRE		0x00020000	/* Trace Interrupt */
244 #define DER_SEIE	0x00004000	/* FP SW Emulation Interrupt */
245 #define DER_ITLBMSE	0x00002000	/* Imp. Spec. Instruction TLB Miss */
246 #define DER_ITLBERE	0x00001000	/* Imp. Spec. Instruction TLB Error */
247 #define DER_DTLBMSE	0x00000800	/* Imp. Spec. Data TLB Miss */
248 #define DER_DTLBERE	0x00000400	/* Imp. Spec. Data TLB Error */
249 #define DER_LBRKE	0x00000008	/* Load/Store Breakpoint Interrupt */
250 #define DER_IBRKE	0x00000004	/* Instruction Breakpoint Interrupt */
251 #define DER_EBRKE	0x00000002	/* External Breakpoint Interrupt */
252 #define DER_DPIE	0x00000001	/* Dev. Port Nonmaskable Request */
253 #define SPRN_DMISS	0x3D0		/* Data TLB Miss Register */
254 #define SPRN_EAR	0x11A		/* External Address Register */
255 #define SPRN_HASH1	0x3D2		/* Primary Hash Address Register */
256 #define SPRN_HASH2	0x3D3		/* Secondary Hash Address Resgister */
257 #define SPRN_HID0	0x3F0		/* Hardware Implementation Register 0 */
258 #define HID0_EMCP	(1<<31)		/* Enable Machine Check pin */
259 #define HID0_EBA	(1<<29)		/* Enable Bus Address Parity */
260 #define HID0_EBD	(1<<28)		/* Enable Bus Data Parity */
261 #define HID0_SBCLK	(1<<27)
262 #define HID0_EICE	(1<<26)
263 #define HID0_TBEN	(1<<26)		/* Timebase enable - 745x */
264 #define HID0_ECLK	(1<<25)
265 #define HID0_PAR	(1<<24)
266 #define HID0_STEN	(1<<24)		/* Software table search enable - 745x */
267 #define HID0_HIGH_BAT	(1<<23)		/* Enable high BATs - 7455 */
268 #define HID0_DOZE	(1<<23)
269 #define HID0_NAP	(1<<22)
270 #define HID0_SLEEP	(1<<21)
271 #define HID0_DPM	(1<<20)
272 #define HID0_BHTCLR	(1<<18)		/* Clear branch history table - 7450 */
273 #define HID0_XAEN	(1<<17)		/* Extended addressing enable - 7450 */
274 #define HID0_NHR	(1<<16)		/* Not hard reset (software bit-7450)*/
275 #define HID0_ICE	(1<<15)		/* Instruction Cache Enable */
276 #define HID0_DCE	(1<<14)		/* Data Cache Enable */
277 #define HID0_ILOCK	(1<<13)		/* Instruction Cache Lock */
278 #define HID0_DLOCK	(1<<12)		/* Data Cache Lock */
279 #define HID0_ICFI	(1<<11)		/* Instr. Cache Flash Invalidate */
280 #define HID0_DCI	(1<<10)		/* Data Cache Invalidate */
281 #define HID0_SPD	(1<<9)		/* Speculative disable */
282 #define HID0_DAPUEN	(1<<8)		/* Debug APU enable */
283 #define HID0_SGE	(1<<7)		/* Store Gathering Enable */
284 #define HID0_SIED	(1<<7)		/* Serial Instr. Execution [Disable] */
285 #define HID0_DCFA	(1<<6)		/* Data Cache Flush Assist */
286 #define HID0_LRSTK	(1<<4)		/* Link register stack - 745x */
287 #define HID0_BTIC	(1<<5)		/* Branch Target Instr Cache Enable */
288 #define HID0_ABE	(1<<3)		/* Address Broadcast Enable */
289 #define HID0_FOLD	(1<<3)		/* Branch Folding enable - 745x */
290 #define HID0_BHTE	(1<<2)		/* Branch History Table Enable */
291 #define HID0_BTCD	(1<<1)		/* Branch target cache disable */
292 #define HID0_NOPDST	(1<<1)		/* No-op dst, dstt, etc. instr. */
293 #define HID0_NOPTI	(1<<0)		/* No-op dcbt and dcbst instr. */
294 
295 #define SPRN_HID1	0x3F1		/* Hardware Implementation Register 1 */
296 #ifdef CONFIG_6xx
297 #define HID1_EMCP	(1<<31)		/* 7450 Machine Check Pin Enable */
298 #define HID1_DFS	(1<<22)		/* 7447A Dynamic Frequency Scaling */
299 #define HID1_PC0	(1<<16)		/* 7450 PLL_CFG[0] */
300 #define HID1_PC1	(1<<15)		/* 7450 PLL_CFG[1] */
301 #define HID1_PC2	(1<<14)		/* 7450 PLL_CFG[2] */
302 #define HID1_PC3	(1<<13)		/* 7450 PLL_CFG[3] */
303 #define HID1_SYNCBE	(1<<11)		/* 7450 ABE for sync, eieio */
304 #define HID1_ABE	(1<<10)		/* 7450 Address Broadcast Enable */
305 #define HID1_PS		(1<<16)		/* 750FX PLL selection */
306 #endif
307 #define SPRN_HID2	0x3F8		/* Hardware Implementation Register 2 */
308 #define SPRN_HID2_GEKKO	0x398		/* Gekko HID2 Register */
309 #define SPRN_IABR	0x3F2	/* Instruction Address Breakpoint Register */
310 #define SPRN_IABR2	0x3FA		/* 83xx */
311 #define SPRN_IBCR	0x135		/* 83xx Insn Breakpoint Control Reg */
312 #define SPRN_HID4	0x3F4		/* 970 HID4 */
313 #define SPRN_HID4_GEKKO	0x3F3		/* Gekko HID4 */
314 #define SPRN_HID5	0x3F6		/* 970 HID5 */
315 #define SPRN_HID6	0x3F9	/* BE HID 6 */
316 #define   HID6_LB	(0x0F<<12) /* Concurrent Large Page Modes */
317 #define   HID6_DLP	(1<<20)	/* Disable all large page modes (4K only) */
318 #define SPRN_TSC_CELL	0x399	/* Thread switch control on Cell */
319 #define   TSC_CELL_DEC_ENABLE_0	0x400000 /* Decrementer Interrupt */
320 #define   TSC_CELL_DEC_ENABLE_1	0x200000 /* Decrementer Interrupt */
321 #define   TSC_CELL_EE_ENABLE	0x100000 /* External Interrupt */
322 #define   TSC_CELL_EE_BOOST	0x080000 /* External Interrupt Boost */
323 #define SPRN_TSC 	0x3FD	/* Thread switch control on others */
324 #define SPRN_TST 	0x3FC	/* Thread switch timeout on others */
325 #if !defined(SPRN_IAC1) && !defined(SPRN_IAC2)
326 #define SPRN_IAC1	0x3F4		/* Instruction Address Compare 1 */
327 #define SPRN_IAC2	0x3F5		/* Instruction Address Compare 2 */
328 #endif
329 #define SPRN_IBAT0L	0x211		/* Instruction BAT 0 Lower Register */
330 #define SPRN_IBAT0U	0x210		/* Instruction BAT 0 Upper Register */
331 #define SPRN_IBAT1L	0x213		/* Instruction BAT 1 Lower Register */
332 #define SPRN_IBAT1U	0x212		/* Instruction BAT 1 Upper Register */
333 #define SPRN_IBAT2L	0x215		/* Instruction BAT 2 Lower Register */
334 #define SPRN_IBAT2U	0x214		/* Instruction BAT 2 Upper Register */
335 #define SPRN_IBAT3L	0x217		/* Instruction BAT 3 Lower Register */
336 #define SPRN_IBAT3U	0x216		/* Instruction BAT 3 Upper Register */
337 #define SPRN_IBAT4L	0x231		/* Instruction BAT 4 Lower Register */
338 #define SPRN_IBAT4U	0x230		/* Instruction BAT 4 Upper Register */
339 #define SPRN_IBAT5L	0x233		/* Instruction BAT 5 Lower Register */
340 #define SPRN_IBAT5U	0x232		/* Instruction BAT 5 Upper Register */
341 #define SPRN_IBAT6L	0x235		/* Instruction BAT 6 Lower Register */
342 #define SPRN_IBAT6U	0x234		/* Instruction BAT 6 Upper Register */
343 #define SPRN_IBAT7L	0x237		/* Instruction BAT 7 Lower Register */
344 #define SPRN_IBAT7U	0x236		/* Instruction BAT 7 Upper Register */
345 #define SPRN_ICMP	0x3D5		/* Instruction TLB Compare Register */
346 #define SPRN_ICTC	0x3FB	/* Instruction Cache Throttling Control Reg */
347 #define SPRN_ICTRL	0x3F3	/* 1011 7450 icache and interrupt ctrl */
348 #define ICTRL_EICE	0x08000000	/* enable icache parity errs */
349 #define ICTRL_EDC	0x04000000	/* enable dcache parity errs */
350 #define ICTRL_EICP	0x00000100	/* enable icache par. check */
351 #define SPRN_IMISS	0x3D4		/* Instruction TLB Miss Register */
352 #define SPRN_IMMR	0x27E		/* Internal Memory Map Register */
353 #define SPRN_L2CR	0x3F9		/* Level 2 Cache Control Regsiter */
354 #define SPRN_L2CR2	0x3f8
355 #define L2CR_L2E		0x80000000	/* L2 enable */
356 #define L2CR_L2PE		0x40000000	/* L2 parity enable */
357 #define L2CR_L2SIZ_MASK		0x30000000	/* L2 size mask */
358 #define L2CR_L2SIZ_256KB	0x10000000	/* L2 size 256KB */
359 #define L2CR_L2SIZ_512KB	0x20000000	/* L2 size 512KB */
360 #define L2CR_L2SIZ_1MB		0x30000000	/* L2 size 1MB */
361 #define L2CR_L2CLK_MASK		0x0e000000	/* L2 clock mask */
362 #define L2CR_L2CLK_DISABLED	0x00000000	/* L2 clock disabled */
363 #define L2CR_L2CLK_DIV1		0x02000000	/* L2 clock / 1 */
364 #define L2CR_L2CLK_DIV1_5	0x04000000	/* L2 clock / 1.5 */
365 #define L2CR_L2CLK_DIV2		0x08000000	/* L2 clock / 2 */
366 #define L2CR_L2CLK_DIV2_5	0x0a000000	/* L2 clock / 2.5 */
367 #define L2CR_L2CLK_DIV3		0x0c000000	/* L2 clock / 3 */
368 #define L2CR_L2RAM_MASK		0x01800000	/* L2 RAM type mask */
369 #define L2CR_L2RAM_FLOW		0x00000000	/* L2 RAM flow through */
370 #define L2CR_L2RAM_PIPE		0x01000000	/* L2 RAM pipelined */
371 #define L2CR_L2RAM_PIPE_LW	0x01800000	/* L2 RAM pipelined latewr */
372 #define L2CR_L2DO		0x00400000	/* L2 data only */
373 #define L2CR_L2I		0x00200000	/* L2 global invalidate */
374 #define L2CR_L2CTL		0x00100000	/* L2 RAM control */
375 #define L2CR_L2WT		0x00080000	/* L2 write-through */
376 #define L2CR_L2TS		0x00040000	/* L2 test support */
377 #define L2CR_L2OH_MASK		0x00030000	/* L2 output hold mask */
378 #define L2CR_L2OH_0_5		0x00000000	/* L2 output hold 0.5 ns */
379 #define L2CR_L2OH_1_0		0x00010000	/* L2 output hold 1.0 ns */
380 #define L2CR_L2SL		0x00008000	/* L2 DLL slow */
381 #define L2CR_L2DF		0x00004000	/* L2 differential clock */
382 #define L2CR_L2BYP		0x00002000	/* L2 DLL bypass */
383 #define L2CR_L2IP		0x00000001	/* L2 GI in progress */
384 #define L2CR_L2IO_745x		0x00100000	/* L2 instr. only (745x) */
385 #define L2CR_L2DO_745x		0x00010000	/* L2 data only (745x) */
386 #define L2CR_L2REP_745x		0x00001000	/* L2 repl. algorithm (745x) */
387 #define L2CR_L2HWF_745x		0x00000800	/* L2 hardware flush (745x) */
388 #define SPRN_L3CR		0x3FA	/* Level 3 Cache Control Regsiter */
389 #define L3CR_L3E		0x80000000	/* L3 enable */
390 #define L3CR_L3PE		0x40000000	/* L3 data parity enable */
391 #define L3CR_L3APE		0x20000000	/* L3 addr parity enable */
392 #define L3CR_L3SIZ		0x10000000	/* L3 size */
393 #define L3CR_L3CLKEN		0x08000000	/* L3 clock enable */
394 #define L3CR_L3RES		0x04000000	/* L3 special reserved bit */
395 #define L3CR_L3CLKDIV		0x03800000	/* L3 clock divisor */
396 #define L3CR_L3IO		0x00400000	/* L3 instruction only */
397 #define L3CR_L3SPO		0x00040000	/* L3 sample point override */
398 #define L3CR_L3CKSP		0x00030000	/* L3 clock sample point */
399 #define L3CR_L3PSP		0x0000e000	/* L3 P-clock sample point */
400 #define L3CR_L3REP		0x00001000	/* L3 replacement algorithm */
401 #define L3CR_L3HWF		0x00000800	/* L3 hardware flush */
402 #define L3CR_L3I		0x00000400	/* L3 global invalidate */
403 #define L3CR_L3RT		0x00000300	/* L3 SRAM type */
404 #define L3CR_L3NIRCA		0x00000080	/* L3 non-integer ratio clock adj. */
405 #define L3CR_L3DO		0x00000040	/* L3 data only mode */
406 #define L3CR_PMEN		0x00000004	/* L3 private memory enable */
407 #define L3CR_PMSIZ		0x00000001	/* L3 private memory size */
408 
409 #define SPRN_MSSCR0	0x3f6	/* Memory Subsystem Control Register 0 */
410 #define SPRN_MSSSR0	0x3f7	/* Memory Subsystem Status Register 1 */
411 #define SPRN_LDSTCR	0x3f8	/* Load/Store control register */
412 #define SPRN_LDSTDB	0x3f4	/* */
413 #define SPRN_LR		0x008	/* Link Register */
414 #ifndef SPRN_PIR
415 #define SPRN_PIR	0x3FF	/* Processor Identification Register */
416 #endif
417 #define SPRN_PTEHI	0x3D5	/* 981 7450 PTE HI word (S/W TLB load) */
418 #define SPRN_PTELO	0x3D6	/* 982 7450 PTE LO word (S/W TLB load) */
419 #define SPRN_PURR	0x135	/* Processor Utilization of Resources Reg */
420 #define SPRN_PVR	0x11F	/* Processor Version Register */
421 #define SPRN_RPA	0x3D6	/* Required Physical Address Register */
422 #define SPRN_SDA	0x3BF	/* Sampled Data Address Register */
423 #define SPRN_SDR1	0x019	/* MMU Hash Base Register */
424 #define SPRN_ASR	0x118   /* Address Space Register */
425 #define SPRN_SIA	0x3BB	/* Sampled Instruction Address Register */
426 #define SPRN_SPRG0	0x110	/* Special Purpose Register General 0 */
427 #define SPRN_SPRG1	0x111	/* Special Purpose Register General 1 */
428 #define SPRN_SPRG2	0x112	/* Special Purpose Register General 2 */
429 #define SPRN_SPRG3	0x113	/* Special Purpose Register General 3 */
430 #define SPRN_SPRG4	0x114	/* Special Purpose Register General 4 */
431 #define SPRN_SPRG5	0x115	/* Special Purpose Register General 5 */
432 #define SPRN_SPRG6	0x116	/* Special Purpose Register General 6 */
433 #define SPRN_SPRG7	0x117	/* Special Purpose Register General 7 */
434 #define SPRN_SRR0	0x01A	/* Save/Restore Register 0 */
435 #define SPRN_SRR1	0x01B	/* Save/Restore Register 1 */
436 #define   SRR1_WAKEMASK		0x00380000 /* reason for wakeup */
437 #define   SRR1_WAKERESET	0x00380000 /* System reset */
438 #define   SRR1_WAKESYSERR	0x00300000 /* System error */
439 #define   SRR1_WAKEEE		0x00200000 /* External interrupt */
440 #define   SRR1_WAKEMT		0x00280000 /* mtctrl */
441 #define   SRR1_WAKEDEC		0x00180000 /* Decrementer interrupt */
442 #define   SRR1_WAKETHERM	0x00100000 /* Thermal management interrupt */
443 #define   SRR1_PROGFPE		0x00100000 /* Floating Point Enabled */
444 #define   SRR1_PROGPRIV		0x00040000 /* Privileged instruction */
445 #define   SRR1_PROGTRAP		0x00020000 /* Trap */
446 #define   SRR1_PROGADDR		0x00010000 /* SRR0 contains subsequent addr */
447 #define SPRN_HSRR0	0x13A	/* Save/Restore Register 0 */
448 #define SPRN_HSRR1	0x13B	/* Save/Restore Register 1 */
449 
450 #define SPRN_TBCTL	0x35f	/* PA6T Timebase control register */
451 #define   TBCTL_FREEZE		0x0000000000000000ull /* Freeze all tbs */
452 #define   TBCTL_RESTART		0x0000000100000000ull /* Restart all tbs */
453 #define   TBCTL_UPDATE_UPPER	0x0000000200000000ull /* Set upper 32 bits */
454 #define   TBCTL_UPDATE_LOWER	0x0000000300000000ull /* Set lower 32 bits */
455 
456 #ifndef SPRN_SVR
457 #define SPRN_SVR	0x11E	/* System Version Register */
458 #endif
459 #define SPRN_THRM1	0x3FC		/* Thermal Management Register 1 */
460 /* these bits were defined in inverted endian sense originally, ugh, confusing */
461 #define THRM1_TIN	(1 << 31)
462 #define THRM1_TIV	(1 << 30)
463 #define THRM1_THRES(x)	((x&0x7f)<<23)
464 #define THRM3_SITV(x)	((x&0x3fff)<<1)
465 #define THRM1_TID	(1<<2)
466 #define THRM1_TIE	(1<<1)
467 #define THRM1_V		(1<<0)
468 #define SPRN_THRM2	0x3FD		/* Thermal Management Register 2 */
469 #define SPRN_THRM3	0x3FE		/* Thermal Management Register 3 */
470 #define THRM3_E		(1<<0)
471 #define SPRN_TLBMISS	0x3D4		/* 980 7450 TLB Miss Register */
472 #define SPRN_UMMCR0	0x3A8	/* User Monitor Mode Control Register 0 */
473 #define SPRN_UMMCR1	0x3AC	/* User Monitor Mode Control Register 0 */
474 #define SPRN_UPMC1	0x3A9	/* User Performance Counter Register 1 */
475 #define SPRN_UPMC2	0x3AA	/* User Performance Counter Register 2 */
476 #define SPRN_UPMC3	0x3AD	/* User Performance Counter Register 3 */
477 #define SPRN_UPMC4	0x3AE	/* User Performance Counter Register 4 */
478 #define SPRN_USIA	0x3AB	/* User Sampled Instruction Address Register */
479 #define SPRN_VRSAVE	0x100	/* Vector Register Save Register */
480 #define SPRN_XER	0x001	/* Fixed Point Exception Register */
481 
482 #define SPRN_MMCR0_GEKKO 0x3B8 /* Gekko Monitor Mode Control Register 0 */
483 #define SPRN_MMCR1_GEKKO 0x3BC /* Gekko Monitor Mode Control Register 1 */
484 #define SPRN_PMC1_GEKKO  0x3B9 /* Gekko Performance Monitor Control 1 */
485 #define SPRN_PMC2_GEKKO  0x3BA /* Gekko Performance Monitor Control 2 */
486 #define SPRN_PMC3_GEKKO  0x3BD /* Gekko Performance Monitor Control 3 */
487 #define SPRN_PMC4_GEKKO  0x3BE /* Gekko Performance Monitor Control 4 */
488 #define SPRN_WPAR_GEKKO  0x399 /* Gekko Write Pipe Address Register */
489 
490 #define SPRN_SCOMC	0x114	/* SCOM Access Control */
491 #define SPRN_SCOMD	0x115	/* SCOM Access DATA */
492 
493 /* Performance monitor SPRs */
494 #ifdef CONFIG_PPC64
495 #define SPRN_MMCR0	795
496 #define   MMCR0_FC	0x80000000UL /* freeze counters */
497 #define   MMCR0_FCS	0x40000000UL /* freeze in supervisor state */
498 #define   MMCR0_KERNEL_DISABLE MMCR0_FCS
499 #define   MMCR0_FCP	0x20000000UL /* freeze in problem state */
500 #define   MMCR0_PROBLEM_DISABLE MMCR0_FCP
501 #define   MMCR0_FCM1	0x10000000UL /* freeze counters while MSR mark = 1 */
502 #define   MMCR0_FCM0	0x08000000UL /* freeze counters while MSR mark = 0 */
503 #define   MMCR0_PMXE	0x04000000UL /* performance monitor exception enable */
504 #define   MMCR0_FCECE	0x02000000UL /* freeze ctrs on enabled cond or event */
505 #define   MMCR0_TBEE	0x00400000UL /* time base exception enable */
506 #define   MMCR0_PMC1CE	0x00008000UL /* PMC1 count enable*/
507 #define   MMCR0_PMCjCE	0x00004000UL /* PMCj count enable*/
508 #define   MMCR0_TRIGGER	0x00002000UL /* TRIGGER enable */
509 #define   MMCR0_PMAO	0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */
510 #define   MMCR0_SHRFC	0x00000040UL /* SHRre freeze conditions between threads */
511 #define   MMCR0_FCTI	0x00000008UL /* freeze counters in tags inactive mode */
512 #define   MMCR0_FCTA	0x00000004UL /* freeze counters in tags active mode */
513 #define   MMCR0_FCWAIT	0x00000002UL /* freeze counter in WAIT state */
514 #define   MMCR0_FCHV	0x00000001UL /* freeze conditions in hypervisor mode */
515 #define SPRN_MMCR1	798
516 #define SPRN_MMCRA	0x312
517 #define   MMCRA_SDSYNC	0x80000000UL /* SDAR synced with SIAR */
518 #define   MMCRA_SDAR_DCACHE_MISS 0x40000000UL
519 #define   MMCRA_SDAR_ERAT_MISS   0x20000000UL
520 #define   MMCRA_SIHV	0x10000000UL /* state of MSR HV when SIAR set */
521 #define   MMCRA_SIPR	0x08000000UL /* state of MSR PR when SIAR set */
522 #define   MMCRA_SLOT	0x07000000UL /* SLOT bits (37-39) */
523 #define   MMCRA_SLOT_SHIFT	24
524 #define   MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */
525 #define   POWER6_MMCRA_SDSYNC 0x0000080000000000ULL	/* SDAR/SIAR synced */
526 #define   POWER6_MMCRA_SIHV   0x0000040000000000ULL
527 #define   POWER6_MMCRA_SIPR   0x0000020000000000ULL
528 #define   POWER6_MMCRA_THRM	0x00000020UL
529 #define   POWER6_MMCRA_OTHER	0x0000000EUL
530 #define SPRN_PMC1	787
531 #define SPRN_PMC2	788
532 #define SPRN_PMC3	789
533 #define SPRN_PMC4	790
534 #define SPRN_PMC5	791
535 #define SPRN_PMC6	792
536 #define SPRN_PMC7	793
537 #define SPRN_PMC8	794
538 #define SPRN_SIAR	780
539 #define SPRN_SDAR	781
540 
541 #define SPRN_PA6T_MMCR0 795
542 #define   PA6T_MMCR0_EN0	0x0000000000000001UL
543 #define   PA6T_MMCR0_EN1	0x0000000000000002UL
544 #define   PA6T_MMCR0_EN2	0x0000000000000004UL
545 #define   PA6T_MMCR0_EN3	0x0000000000000008UL
546 #define   PA6T_MMCR0_EN4	0x0000000000000010UL
547 #define   PA6T_MMCR0_EN5	0x0000000000000020UL
548 #define   PA6T_MMCR0_SUPEN	0x0000000000000040UL
549 #define   PA6T_MMCR0_PREN	0x0000000000000080UL
550 #define   PA6T_MMCR0_HYPEN	0x0000000000000100UL
551 #define   PA6T_MMCR0_FCM0	0x0000000000000200UL
552 #define   PA6T_MMCR0_FCM1	0x0000000000000400UL
553 #define   PA6T_MMCR0_INTGEN	0x0000000000000800UL
554 #define   PA6T_MMCR0_INTEN0	0x0000000000001000UL
555 #define   PA6T_MMCR0_INTEN1	0x0000000000002000UL
556 #define   PA6T_MMCR0_INTEN2	0x0000000000004000UL
557 #define   PA6T_MMCR0_INTEN3	0x0000000000008000UL
558 #define   PA6T_MMCR0_INTEN4	0x0000000000010000UL
559 #define   PA6T_MMCR0_INTEN5	0x0000000000020000UL
560 #define   PA6T_MMCR0_DISCNT	0x0000000000040000UL
561 #define   PA6T_MMCR0_UOP	0x0000000000080000UL
562 #define   PA6T_MMCR0_TRG	0x0000000000100000UL
563 #define   PA6T_MMCR0_TRGEN	0x0000000000200000UL
564 #define   PA6T_MMCR0_TRGREG	0x0000000001600000UL
565 #define   PA6T_MMCR0_SIARLOG	0x0000000002000000UL
566 #define   PA6T_MMCR0_SDARLOG	0x0000000004000000UL
567 #define   PA6T_MMCR0_PROEN	0x0000000008000000UL
568 #define   PA6T_MMCR0_PROLOG	0x0000000010000000UL
569 #define   PA6T_MMCR0_DAMEN2	0x0000000020000000UL
570 #define   PA6T_MMCR0_DAMEN3	0x0000000040000000UL
571 #define   PA6T_MMCR0_DAMEN4	0x0000000080000000UL
572 #define   PA6T_MMCR0_DAMEN5	0x0000000100000000UL
573 #define   PA6T_MMCR0_DAMSEL2	0x0000000200000000UL
574 #define   PA6T_MMCR0_DAMSEL3	0x0000000400000000UL
575 #define   PA6T_MMCR0_DAMSEL4	0x0000000800000000UL
576 #define   PA6T_MMCR0_DAMSEL5	0x0000001000000000UL
577 #define   PA6T_MMCR0_HANDDIS	0x0000002000000000UL
578 #define   PA6T_MMCR0_PCTEN	0x0000004000000000UL
579 #define   PA6T_MMCR0_SOCEN	0x0000008000000000UL
580 #define   PA6T_MMCR0_SOCMOD	0x0000010000000000UL
581 
582 #define SPRN_PA6T_MMCR1 798
583 #define   PA6T_MMCR1_ES2	0x00000000000000ffUL
584 #define   PA6T_MMCR1_ES3	0x000000000000ff00UL
585 #define   PA6T_MMCR1_ES4	0x0000000000ff0000UL
586 #define   PA6T_MMCR1_ES5	0x00000000ff000000UL
587 
588 #define SPRN_PA6T_UPMC0 771	/* User PerfMon Counter 0 */
589 #define SPRN_PA6T_UPMC1 772	/* ... */
590 #define SPRN_PA6T_UPMC2 773
591 #define SPRN_PA6T_UPMC3 774
592 #define SPRN_PA6T_UPMC4 775
593 #define SPRN_PA6T_UPMC5 776
594 #define SPRN_PA6T_UMMCR0 779	/* User Monitor Mode Control Register 0 */
595 #define SPRN_PA6T_SIAR	780	/* Sampled Instruction Address */
596 #define SPRN_PA6T_UMMCR1 782	/* User Monitor Mode Control Register 1 */
597 #define SPRN_PA6T_SIER	785	/* Sampled Instruction Event Register */
598 #define SPRN_PA6T_PMC0	787
599 #define SPRN_PA6T_PMC1	788
600 #define SPRN_PA6T_PMC2	789
601 #define SPRN_PA6T_PMC3	790
602 #define SPRN_PA6T_PMC4	791
603 #define SPRN_PA6T_PMC5	792
604 #define SPRN_PA6T_TSR0	793	/* Timestamp Register 0 */
605 #define SPRN_PA6T_TSR1	794	/* Timestamp Register 1 */
606 #define SPRN_PA6T_TSR2	799	/* Timestamp Register 2 */
607 #define SPRN_PA6T_TSR3	784	/* Timestamp Register 3 */
608 
609 #define SPRN_PA6T_IER	981	/* Icache Error Register */
610 #define SPRN_PA6T_DER	982	/* Dcache Error Register */
611 #define SPRN_PA6T_BER	862	/* BIU Error Address Register */
612 #define SPRN_PA6T_MER	849	/* MMU Error Register */
613 
614 #define SPRN_PA6T_IMA0	880	/* Instruction Match Array 0 */
615 #define SPRN_PA6T_IMA1	881	/* ... */
616 #define SPRN_PA6T_IMA2	882
617 #define SPRN_PA6T_IMA3	883
618 #define SPRN_PA6T_IMA4	884
619 #define SPRN_PA6T_IMA5	885
620 #define SPRN_PA6T_IMA6	886
621 #define SPRN_PA6T_IMA7	887
622 #define SPRN_PA6T_IMA8	888
623 #define SPRN_PA6T_IMA9	889
624 #define SPRN_PA6T_BTCR	978	/* Breakpoint and Tagging Control Register */
625 #define SPRN_PA6T_IMAAT	979	/* Instruction Match Array Action Table */
626 #define SPRN_PA6T_PCCR	1019	/* Power Counter Control Register */
627 #define SPRN_BKMK	1020	/* Cell Bookmark Register */
628 #define SPRN_PA6T_RPCCR	1021	/* Retire PC Trace Control Register */
629 
630 
631 #else /* 32-bit */
632 #define SPRN_MMCR0	952	/* Monitor Mode Control Register 0 */
633 #define   MMCR0_FC	0x80000000UL /* freeze counters */
634 #define   MMCR0_FCS	0x40000000UL /* freeze in supervisor state */
635 #define   MMCR0_FCP	0x20000000UL /* freeze in problem state */
636 #define   MMCR0_FCM1	0x10000000UL /* freeze counters while MSR mark = 1 */
637 #define   MMCR0_FCM0	0x08000000UL /* freeze counters while MSR mark = 0 */
638 #define   MMCR0_PMXE	0x04000000UL /* performance monitor exception enable */
639 #define   MMCR0_FCECE	0x02000000UL /* freeze ctrs on enabled cond or event */
640 #define   MMCR0_TBEE	0x00400000UL /* time base exception enable */
641 #define   MMCR0_PMC1CE	0x00008000UL /* PMC1 count enable*/
642 #define   MMCR0_PMCnCE	0x00004000UL /* count enable for all but PMC 1*/
643 #define   MMCR0_TRIGGER	0x00002000UL /* TRIGGER enable */
644 #define   MMCR0_PMC1SEL	0x00001fc0UL /* PMC 1 Event */
645 #define   MMCR0_PMC2SEL	0x0000003fUL /* PMC 2 Event */
646 
647 #define SPRN_MMCR1	956
648 #define   MMCR1_PMC3SEL	0xf8000000UL /* PMC 3 Event */
649 #define   MMCR1_PMC4SEL	0x07c00000UL /* PMC 4 Event */
650 #define   MMCR1_PMC5SEL	0x003e0000UL /* PMC 5 Event */
651 #define   MMCR1_PMC6SEL 0x0001f800UL /* PMC 6 Event */
652 #define SPRN_MMCR2	944
653 #define SPRN_PMC1	953	/* Performance Counter Register 1 */
654 #define SPRN_PMC2	954	/* Performance Counter Register 2 */
655 #define SPRN_PMC3	957	/* Performance Counter Register 3 */
656 #define SPRN_PMC4	958	/* Performance Counter Register 4 */
657 #define SPRN_PMC5	945	/* Performance Counter Register 5 */
658 #define SPRN_PMC6	946	/* Performance Counter Register 6 */
659 
660 #define SPRN_SIAR	955	/* Sampled Instruction Address Register */
661 
662 /* Bit definitions for MMCR0 and PMC1 / PMC2. */
663 #define MMCR0_PMC1_CYCLES	(1 << 7)
664 #define MMCR0_PMC1_ICACHEMISS	(5 << 7)
665 #define MMCR0_PMC1_DTLB		(6 << 7)
666 #define MMCR0_PMC2_DCACHEMISS	0x6
667 #define MMCR0_PMC2_CYCLES	0x1
668 #define MMCR0_PMC2_ITLB		0x7
669 #define MMCR0_PMC2_LOADMISSTIME	0x5
670 #endif
671 
672 /*
673  * SPRG usage:
674  *
675  * All 64-bit:
676  *	- SPRG1 stores PACA pointer
677  *
678  * 64-bit server:
679  *	- SPRG0 unused (reserved for HV on Power4)
680  *	- SPRG2 scratch for exception vectors
681  *	- SPRG3 unused (user visible)
682  *
683  * 64-bit embedded
684  *	- SPRG0 generic exception scratch
685  *	- SPRG2 TLB exception stack
686  *	- SPRG3 unused (user visible)
687  *	- SPRG4 unused (user visible)
688  *	- SPRG6 TLB miss scratch (user visible, sorry !)
689  *	- SPRG7 critical exception scratch
690  *	- SPRG8 machine check exception scratch
691  *	- SPRG9 debug exception scratch
692  *
693  * All 32-bit:
694  *	- SPRG3 current thread_info pointer
695  *        (virtual on BookE, physical on others)
696  *
697  * 32-bit classic:
698  *	- SPRG0 scratch for exception vectors
699  *	- SPRG1 scratch for exception vectors
700  *	- SPRG2 indicator that we are in RTAS
701  *	- SPRG4 (603 only) pseudo TLB LRU data
702  *
703  * 32-bit 40x:
704  *	- SPRG0 scratch for exception vectors
705  *	- SPRG1 scratch for exception vectors
706  *	- SPRG2 scratch for exception vectors
707  *	- SPRG4 scratch for exception vectors (not 403)
708  *	- SPRG5 scratch for exception vectors (not 403)
709  *	- SPRG6 scratch for exception vectors (not 403)
710  *	- SPRG7 scratch for exception vectors (not 403)
711  *
712  * 32-bit 440 and FSL BookE:
713  *	- SPRG0 scratch for exception vectors
714  *	- SPRG1 scratch for exception vectors (*)
715  *	- SPRG2 scratch for crit interrupts handler
716  *	- SPRG4 scratch for exception vectors
717  *	- SPRG5 scratch for exception vectors
718  *	- SPRG6 scratch for machine check handler
719  *	- SPRG7 scratch for exception vectors
720  *	- SPRG9 scratch for debug vectors (e500 only)
721  *
722  *      Additionally, BookE separates "read" and "write"
723  *      of those registers. That allows to use the userspace
724  *      readable variant for reads, which can avoid a fault
725  *      with KVM type virtualization.
726  *
727  *      (*) Under KVM, the host SPRG1 is used to point to
728  *      the current VCPU data structure
729  *
730  * 32-bit 8xx:
731  *	- SPRG0 scratch for exception vectors
732  *	- SPRG1 scratch for exception vectors
733  *	- SPRG2 apparently unused but initialized
734  *
735  */
736 #ifdef CONFIG_PPC64
737 #define SPRN_SPRG_PACA 		SPRN_SPRG1
738 #else
739 #define SPRN_SPRG_THREAD 	SPRN_SPRG3
740 #endif
741 
742 #ifdef CONFIG_PPC_BOOK3S_64
743 #define SPRN_SPRG_SCRATCH0	SPRN_SPRG2
744 #endif
745 
746 #ifdef CONFIG_PPC_BOOK3E_64
747 #define SPRN_SPRG_MC_SCRATCH	SPRN_SPRG8
748 #define SPRN_SPRG_CRIT_SCRATCH	SPRN_SPRG7
749 #define SPRN_SPRG_DBG_SCRATCH	SPRN_SPRG9
750 #define SPRN_SPRG_TLB_EXFRAME	SPRN_SPRG2
751 #define SPRN_SPRG_TLB_SCRATCH	SPRN_SPRG6
752 #define SPRN_SPRG_GEN_SCRATCH	SPRN_SPRG0
753 #endif
754 
755 #ifdef CONFIG_PPC_BOOK3S_32
756 #define SPRN_SPRG_SCRATCH0	SPRN_SPRG0
757 #define SPRN_SPRG_SCRATCH1	SPRN_SPRG1
758 #define SPRN_SPRG_RTAS		SPRN_SPRG2
759 #define SPRN_SPRG_603_LRU	SPRN_SPRG4
760 #endif
761 
762 #ifdef CONFIG_40x
763 #define SPRN_SPRG_SCRATCH0	SPRN_SPRG0
764 #define SPRN_SPRG_SCRATCH1	SPRN_SPRG1
765 #define SPRN_SPRG_SCRATCH2	SPRN_SPRG2
766 #define SPRN_SPRG_SCRATCH3	SPRN_SPRG4
767 #define SPRN_SPRG_SCRATCH4	SPRN_SPRG5
768 #define SPRN_SPRG_SCRATCH5	SPRN_SPRG6
769 #define SPRN_SPRG_SCRATCH6	SPRN_SPRG7
770 #endif
771 
772 #ifdef CONFIG_BOOKE
773 #define SPRN_SPRG_RSCRATCH0	SPRN_SPRG0
774 #define SPRN_SPRG_WSCRATCH0	SPRN_SPRG0
775 #define SPRN_SPRG_RSCRATCH1	SPRN_SPRG1
776 #define SPRN_SPRG_WSCRATCH1	SPRN_SPRG1
777 #define SPRN_SPRG_RSCRATCH_CRIT	SPRN_SPRG2
778 #define SPRN_SPRG_WSCRATCH_CRIT	SPRN_SPRG2
779 #define SPRN_SPRG_RSCRATCH2	SPRN_SPRG4R
780 #define SPRN_SPRG_WSCRATCH2	SPRN_SPRG4W
781 #define SPRN_SPRG_RSCRATCH3	SPRN_SPRG5R
782 #define SPRN_SPRG_WSCRATCH3	SPRN_SPRG5W
783 #define SPRN_SPRG_RSCRATCH_MC	SPRN_SPRG6R
784 #define SPRN_SPRG_WSCRATCH_MC	SPRN_SPRG6W
785 #define SPRN_SPRG_RSCRATCH4	SPRN_SPRG7R
786 #define SPRN_SPRG_WSCRATCH4	SPRN_SPRG7W
787 #ifdef CONFIG_E200
788 #define SPRN_SPRG_RSCRATCH_DBG	SPRN_SPRG6R
789 #define SPRN_SPRG_WSCRATCH_DBG	SPRN_SPRG6W
790 #else
791 #define SPRN_SPRG_RSCRATCH_DBG	SPRN_SPRG9
792 #define SPRN_SPRG_WSCRATCH_DBG	SPRN_SPRG9
793 #endif
794 #define SPRN_SPRG_RVCPU		SPRN_SPRG1
795 #define SPRN_SPRG_WVCPU		SPRN_SPRG1
796 #endif
797 
798 #ifdef CONFIG_8xx
799 #define SPRN_SPRG_SCRATCH0	SPRN_SPRG0
800 #define SPRN_SPRG_SCRATCH1	SPRN_SPRG1
801 #endif
802 
803 /*
804  * An mtfsf instruction with the L bit set. On CPUs that support this a
805  * full 64bits of FPSCR is restored and on other CPUs the L bit is ignored.
806  *
807  * Until binutils gets the new form of mtfsf, hardwire the instruction.
808  */
809 #ifdef CONFIG_PPC64
810 #define MTFSF_L(REG) \
811 	.long (0xfc00058e | ((0xff) << 17) | ((REG) << 11) | (1 << 25))
812 #else
813 #define MTFSF_L(REG)	mtfsf	0xff, (REG)
814 #endif
815 
816 /* Processor Version Register (PVR) field extraction */
817 
818 #define PVR_VER(pvr)	(((pvr) >>  16) & 0xFFFF)	/* Version field */
819 #define PVR_REV(pvr)	(((pvr) >>   0) & 0xFFFF)	/* Revison field */
820 
821 #define __is_processor(pv)	(PVR_VER(mfspr(SPRN_PVR)) == (pv))
822 
823 /*
824  * IBM has further subdivided the standard PowerPC 16-bit version and
825  * revision subfields of the PVR for the PowerPC 403s into the following:
826  */
827 
828 #define PVR_FAM(pvr)	(((pvr) >> 20) & 0xFFF)	/* Family field */
829 #define PVR_MEM(pvr)	(((pvr) >> 16) & 0xF)	/* Member field */
830 #define PVR_CORE(pvr)	(((pvr) >> 12) & 0xF)	/* Core field */
831 #define PVR_CFG(pvr)	(((pvr) >>  8) & 0xF)	/* Configuration field */
832 #define PVR_MAJ(pvr)	(((pvr) >>  4) & 0xF)	/* Major revision field */
833 #define PVR_MIN(pvr)	(((pvr) >>  0) & 0xF)	/* Minor revision field */
834 
835 /* Processor Version Numbers */
836 
837 #define PVR_403GA	0x00200000
838 #define PVR_403GB	0x00200100
839 #define PVR_403GC	0x00200200
840 #define PVR_403GCX	0x00201400
841 #define PVR_405GP	0x40110000
842 #define PVR_476		0x11a52000
843 #define PVR_STB03XXX	0x40310000
844 #define PVR_NP405H	0x41410000
845 #define PVR_NP405L	0x41610000
846 #define PVR_601		0x00010000
847 #define PVR_602		0x00050000
848 #define PVR_603		0x00030000
849 #define PVR_603e	0x00060000
850 #define PVR_603ev	0x00070000
851 #define PVR_603r	0x00071000
852 #define PVR_604		0x00040000
853 #define PVR_604e	0x00090000
854 #define PVR_604r	0x000A0000
855 #define PVR_620		0x00140000
856 #define PVR_740		0x00080000
857 #define PVR_750		PVR_740
858 #define PVR_740P	0x10080000
859 #define PVR_750P	PVR_740P
860 #define PVR_7400	0x000C0000
861 #define PVR_7410	0x800C0000
862 #define PVR_7450	0x80000000
863 #define PVR_8540	0x80200000
864 #define PVR_8560	0x80200000
865 #define PVR_VER_E500V1	0x8020
866 #define PVR_VER_E500V2	0x8021
867 /*
868  * For the 8xx processors, all of them report the same PVR family for
869  * the PowerPC core. The various versions of these processors must be
870  * differentiated by the version number in the Communication Processor
871  * Module (CPM).
872  */
873 #define PVR_821		0x00500000
874 #define PVR_823		PVR_821
875 #define PVR_850		PVR_821
876 #define PVR_860		PVR_821
877 #define PVR_8240	0x00810100
878 #define PVR_8245	0x80811014
879 #define PVR_8260	PVR_8240
880 
881 /* 476 Simulator seems to currently have the PVR of the 602... */
882 #define PVR_476_ISS	0x00052000
883 
884 /* 64-bit processors */
885 /* XXX the prefix should be PVR_, we'll do a global sweep to fix it one day */
886 #define PV_NORTHSTAR	0x0033
887 #define PV_PULSAR	0x0034
888 #define PV_POWER4	0x0035
889 #define PV_ICESTAR	0x0036
890 #define PV_SSTAR	0x0037
891 #define PV_POWER4p	0x0038
892 #define PV_970		0x0039
893 #define PV_POWER5	0x003A
894 #define PV_POWER5p	0x003B
895 #define PV_POWER7	0x003F
896 #define PV_970FX	0x003C
897 #define PV_630		0x0040
898 #define PV_630p	0x0041
899 #define PV_970MP	0x0044
900 #define PV_970GX	0x0045
901 #define PV_BE		0x0070
902 #define PV_PA6T		0x0090
903 
904 /* Macros for setting and retrieving special purpose registers */
905 #ifndef __ASSEMBLY__
906 #define mfmsr()		({unsigned long rval; \
907 			asm volatile("mfmsr %0" : "=r" (rval)); rval;})
908 #ifdef CONFIG_PPC_BOOK3S_64
909 #define __mtmsrd(v, l)	asm volatile("mtmsrd %0," __stringify(l) \
910 				     : : "r" (v) : "memory")
911 #define mtmsrd(v)	__mtmsrd((v), 0)
912 #define mtmsr(v)	mtmsrd(v)
913 #else
914 #define mtmsr(v)	asm volatile("mtmsr %0" : : "r" (v) : "memory")
915 #endif
916 
917 #define mfspr(rn)	({unsigned long rval; \
918 			asm volatile("mfspr %0," __stringify(rn) \
919 				: "=r" (rval)); rval;})
920 #define mtspr(rn, v)	asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)\
921 				     : "memory")
922 
923 #ifdef __powerpc64__
924 #ifdef CONFIG_PPC_CELL
925 #define mftb()		({unsigned long rval;				\
926 			asm volatile(					\
927 				"90:	mftb %0;\n"			\
928 				"97:	cmpwi %0,0;\n"			\
929 				"	beq- 90b;\n"			\
930 				"99:\n"					\
931 				".section __ftr_fixup,\"a\"\n"		\
932 				".align 3\n"				\
933 				"98:\n"					\
934 				"	.llong %1\n"			\
935 				"	.llong %1\n"			\
936 				"	.llong 97b-98b\n"		\
937 				"	.llong 99b-98b\n"		\
938 				"	.llong 0\n"			\
939 				"	.llong 0\n"			\
940 				".previous"				\
941 			: "=r" (rval) : "i" (CPU_FTR_CELL_TB_BUG)); rval;})
942 #else
943 #define mftb()		({unsigned long rval;	\
944 			asm volatile("mftb %0" : "=r" (rval)); rval;})
945 #endif /* !CONFIG_PPC_CELL */
946 
947 #else /* __powerpc64__ */
948 
949 #define mftbl()		({unsigned long rval;	\
950 			asm volatile("mftbl %0" : "=r" (rval)); rval;})
951 #define mftbu()		({unsigned long rval;	\
952 			asm volatile("mftbu %0" : "=r" (rval)); rval;})
953 #endif /* !__powerpc64__ */
954 
955 #define mttbl(v)	asm volatile("mttbl %0":: "r"(v))
956 #define mttbu(v)	asm volatile("mttbu %0":: "r"(v))
957 
958 #ifdef CONFIG_PPC32
959 #define mfsrin(v)	({unsigned int rval; \
960 			asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \
961 					rval;})
962 #endif
963 
964 #define proc_trap()	asm volatile("trap")
965 
966 #ifdef CONFIG_PPC64
967 
968 extern void ppc64_runlatch_on(void);
969 extern void __ppc64_runlatch_off(void);
970 
971 #define ppc64_runlatch_off()					\
972 	do {							\
973 		if (cpu_has_feature(CPU_FTR_CTRL) &&		\
974 		    test_thread_flag(TIF_RUNLATCH))		\
975 			__ppc64_runlatch_off();			\
976 	} while (0)
977 
978 extern unsigned long scom970_read(unsigned int address);
979 extern void scom970_write(unsigned int address, unsigned long value);
980 
981 #else
982 #define ppc64_runlatch_on()
983 #define ppc64_runlatch_off()
984 
985 #endif /* CONFIG_PPC64 */
986 
987 #define __get_SP()	({unsigned long sp; \
988 			asm volatile("mr %0,1": "=r" (sp)); sp;})
989 
990 struct pt_regs;
991 
992 extern void ppc_save_regs(struct pt_regs *regs);
993 
994 #endif /* __ASSEMBLY__ */
995 #endif /* __KERNEL__ */
996 #endif /* _ASM_POWERPC_REG_H */
997