xref: /nrf52832-nimble/rt-thread/libcpu/ppc/ppc405/include/asm/processor.h (revision 104654410c56c573564690304ae786df310c91fc)
1 #ifndef __ASM_PPC_PROCESSOR_H
2 #define __ASM_PPC_PROCESSOR_H
3 
4 /*
5  * Default implementation of macro that returns current
6  * instruction pointer ("program counter").
7  */
8 #define current_text_addr() ({ __label__ _l; _l: &&_l;})
9 
10 #include <config.h>
11 
12 #include <asm/ptrace.h>
13 #include <asm/types.h>
14 
15 /* Machine State Register (MSR) Fields */
16 
17 #ifdef CONFIG_PPC64BRIDGE
18 #define MSR_SF		(1<<63)
19 #define MSR_ISF		(1<<61)
20 #endif /* CONFIG_PPC64BRIDGE */
21 #define MSR_UCLE	(1<<26)		/* User-mode cache lock enable (e500) */
22 #define MSR_VEC		(1<<25)		/* Enable AltiVec(74xx) */
23 #define MSR_SPE		(1<<25)		/* Enable SPE(e500) */
24 #define MSR_POW		(1<<18)		/* Enable Power Management */
25 #define MSR_WE		(1<<18)		/* Wait State Enable */
26 #define MSR_TGPR	(1<<17)		/* TLB Update registers in use */
27 #define MSR_CE		(1<<17)		/* Critical Interrupt Enable */
28 #define MSR_ILE		(1<<16)		/* Interrupt Little Endian */
29 #define MSR_EE		(1<<15)		/* External Interrupt Enable */
30 #define MSR_PR		(1<<14)		/* Problem State / Privilege Level */
31 #define MSR_FP		(1<<13)		/* Floating Point enable */
32 #define MSR_ME		(1<<12)		/* Machine Check Enable */
33 #define MSR_FE0		(1<<11)		/* Floating Exception mode 0 */
34 #define MSR_SE		(1<<10)		/* Single Step */
35 #define MSR_DWE		(1<<10)		/* Debug Wait Enable (4xx) */
36 #define MSR_UBLE	(1<<10)		/* BTB lock enable (e500) */
37 #define MSR_BE		(1<<9)		/* Branch Trace */
38 #define MSR_DE		(1<<9)		/* Debug Exception Enable */
39 #define MSR_FE1		(1<<8)		/* Floating Exception mode 1 */
40 #define MSR_IP		(1<<6)		/* Exception prefix 0x000/0xFFF */
41 #define MSR_IR		(1<<5)		/* Instruction Relocate */
42 #define MSR_IS		(1<<5)		/* Book E Instruction space */
43 #define MSR_DR		(1<<4)		/* Data Relocate */
44 #define MSR_DS		(1<<4)		/* Book E Data space */
45 #define MSR_PE		(1<<3)		/* Protection Enable */
46 #define MSR_PX		(1<<2)		/* Protection Exclusive Mode */
47 #define MSR_PMM		(1<<2)		/* Performance monitor mark bit (e500) */
48 #define MSR_RI		(1<<1)		/* Recoverable Exception */
49 #define MSR_LE		(1<<0)		/* Little Endian */
50 
51 #ifdef CONFIG_APUS_FAST_EXCEPT
52 #define MSR_		MSR_ME|MSR_IP|MSR_RI
53 #else
54 #define MSR_		MSR_ME|MSR_RI
55 #endif
56 
57 #ifndef CONFIG_E500
58 #define MSR_KERNEL	MSR_|MSR_IR|MSR_DR
59 #else
60 #define MSR_KERNEL	MSR_ME
61 #endif
62 
63 /* Floating Point Status and Control Register (FPSCR) Fields */
64 
65 #define FPSCR_FX	0x80000000	/* FPU exception summary */
66 #define FPSCR_FEX	0x40000000	/* FPU enabled exception summary */
67 #define FPSCR_VX	0x20000000	/* Invalid operation summary */
68 #define FPSCR_OX	0x10000000	/* Overflow exception summary */
69 #define FPSCR_UX	0x08000000	/* Underflow exception summary */
70 #define FPSCR_ZX	0x04000000	/* Zero-devide exception summary */
71 #define FPSCR_XX	0x02000000	/* Inexact exception summary */
72 #define FPSCR_VXSNAN	0x01000000	/* Invalid op for SNaN */
73 #define FPSCR_VXISI	0x00800000	/* Invalid op for Inv - Inv */
74 #define FPSCR_VXIDI	0x00400000	/* Invalid op for Inv / Inv */
75 #define FPSCR_VXZDZ	0x00200000	/* Invalid op for Zero / Zero */
76 #define FPSCR_VXIMZ	0x00100000	/* Invalid op for Inv * Zero */
77 #define FPSCR_VXVC	0x00080000	/* Invalid op for Compare */
78 #define FPSCR_FR	0x00040000	/* Fraction rounded */
79 #define FPSCR_FI	0x00020000	/* Fraction inexact */
80 #define FPSCR_FPRF	0x0001f000	/* FPU Result Flags */
81 #define FPSCR_FPCC	0x0000f000	/* FPU Condition Codes */
82 #define FPSCR_VXSOFT	0x00000400	/* Invalid op for software request */
83 #define FPSCR_VXSQRT	0x00000200	/* Invalid op for square root */
84 #define FPSCR_VXCVI	0x00000100	/* Invalid op for integer convert */
85 #define FPSCR_VE	0x00000080	/* Invalid op exception enable */
86 #define FPSCR_OE	0x00000040	/* IEEE overflow exception enable */
87 #define FPSCR_UE	0x00000020	/* IEEE underflow exception enable */
88 #define FPSCR_ZE	0x00000010	/* IEEE zero divide exception enable */
89 #define FPSCR_XE	0x00000008	/* FP inexact exception enable */
90 #define FPSCR_NI	0x00000004	/* FPU non IEEE-Mode */
91 #define FPSCR_RN	0x00000003	/* FPU rounding control */
92 
93 /* Special Purpose Registers (SPRNs)*/
94 
95 /* PPC440 Architecture is BOOK-E */
96 #ifdef CONFIG_440
97 #define CONFIG_BOOKE
98 #endif
99 
100 #define SPRN_CCR0	0x3B3	/* Core Configuration Register 0 */
101 #ifdef CONFIG_BOOKE
102 #define SPRN_CCR1	0x378	/* Core Configuration Register for 440 only */
103 #endif
104 #define SPRN_CDBCR	0x3D7	/* Cache Debug Control Register */
105 #define SPRN_CTR	0x009	/* Count Register */
106 #define SPRN_DABR	0x3F5	/* Data Address Breakpoint Register */
107 #ifndef CONFIG_BOOKE
108 #define SPRN_DAC1	0x3F6	/* Data Address Compare 1 */
109 #define SPRN_DAC2	0x3F7	/* Data Address Compare 2 */
110 #else
111 #define SPRN_DAC1	0x13C	/* Book E Data Address Compare 1 */
112 #define SPRN_DAC2	0x13D	/* Book E Data Address Compare 2 */
113 #endif	/* CONFIG_BOOKE */
114 #define SPRN_DAR	0x013	/* Data Address Register */
115 #define SPRN_DBAT0L	0x219	/* Data BAT 0 Lower Register */
116 #define SPRN_DBAT0U	0x218	/* Data BAT 0 Upper Register */
117 #define SPRN_DBAT1L	0x21B	/* Data BAT 1 Lower Register */
118 #define SPRN_DBAT1U	0x21A	/* Data BAT 1 Upper Register */
119 #define SPRN_DBAT2L	0x21D	/* Data BAT 2 Lower Register */
120 #define SPRN_DBAT2U	0x21C	/* Data BAT 2 Upper Register */
121 #define SPRN_DBAT3L	0x21F	/* Data BAT 3 Lower Register */
122 #define SPRN_DBAT3U	0x21E	/* Data BAT 3 Upper Register */
123 #define SPRN_DBAT4L	0x239	/* Data BAT 4 Lower Register */
124 #define SPRN_DBAT4U	0x238	/* Data BAT 4 Upper Register */
125 #define SPRN_DBAT5L	0x23B	/* Data BAT 5 Lower Register */
126 #define SPRN_DBAT5U	0x23A	/* Data BAT 5 Upper Register */
127 #define SPRN_DBAT6L	0x23D	/* Data BAT 6 Lower Register */
128 #define SPRN_DBAT6U	0x23C	/* Data BAT 6 Upper Register */
129 #define SPRN_DBAT7L	0x23F	/* Data BAT 7 Lower Register */
130 #define SPRN_DBAT7U	0x23E	/* Data BAT 7 Lower Register */
131 #define SPRN_DBCR	0x3F2	/* Debug Control Regsiter */
132 #define   DBCR_EDM	0x80000000
133 #define   DBCR_IDM	0x40000000
134 #define   DBCR_RST(x)	(((x) & 0x3) << 28)
135 #define     DBCR_RST_NONE		0
136 #define     DBCR_RST_CORE		1
137 #define     DBCR_RST_CHIP		2
138 #define     DBCR_RST_SYSTEM		3
139 #define   DBCR_IC	0x08000000	/* Instruction Completion Debug Evnt */
140 #define   DBCR_BT	0x04000000	/* Branch Taken Debug Event */
141 #define   DBCR_EDE	0x02000000	/* Exception Debug Event */
142 #define   DBCR_TDE	0x01000000	/* TRAP Debug Event */
143 #define   DBCR_FER	0x00F80000	/* First Events Remaining Mask */
144 #define   DBCR_FT	0x00040000	/* Freeze Timers on Debug Event */
145 #define   DBCR_IA1	0x00020000	/* Instr. Addr. Compare 1 Enable */
146 #define   DBCR_IA2	0x00010000	/* Instr. Addr. Compare 2 Enable */
147 #define   DBCR_D1R	0x00008000	/* Data Addr. Compare 1 Read Enable */
148 #define   DBCR_D1W	0x00004000	/* Data Addr. Compare 1 Write Enable */
149 #define   DBCR_D1S(x)	(((x) & 0x3) << 12)	/* Data Adrr. Compare 1 Size */
150 #define     DAC_BYTE	0
151 #define     DAC_HALF	1
152 #define     DAC_WORD	2
153 #define     DAC_QUAD	3
154 #define   DBCR_D2R	0x00000800	/* Data Addr. Compare 2 Read Enable */
155 #define   DBCR_D2W	0x00000400	/* Data Addr. Compare 2 Write Enable */
156 #define   DBCR_D2S(x)	(((x) & 0x3) << 8)	/* Data Addr. Compare 2 Size */
157 #define   DBCR_SBT	0x00000040	/* Second Branch Taken Debug Event */
158 #define   DBCR_SED	0x00000020	/* Second Exception Debug Event */
159 #define   DBCR_STD	0x00000010	/* Second Trap Debug Event */
160 #define   DBCR_SIA	0x00000008	/* Second IAC Enable */
161 #define   DBCR_SDA	0x00000004	/* Second DAC Enable */
162 #define   DBCR_JOI	0x00000002	/* JTAG Serial Outbound Int. Enable */
163 #define   DBCR_JII	0x00000001	/* JTAG Serial Inbound Int. Enable */
164 #ifndef CONFIG_BOOKE
165 #define SPRN_DBCR0	0x3F2		/* Debug Control Register 0 */
166 #else
167 #define SPRN_DBCR0	0x134		/* Book E Debug Control Register 0 */
168 #endif /* CONFIG_BOOKE */
169 #ifndef CONFIG_BOOKE
170 #define SPRN_DBCR1	0x3BD	/* Debug Control Register 1 */
171 #define SPRN_DBSR	0x3F0	/* Debug Status Register */
172 #else
173 #define SPRN_DBCR1	0x135		/* Book E Debug Control Register 1 */
174 #ifdef CONFIG_BOOKE
175 #define	SPRN_DBDR	0x3f3		/* Debug Data Register */
176 #endif
177 #define SPRN_DBSR	0x130		/* Book E Debug Status Register */
178 #define   DBSR_IC	    0x08000000	/* Book E Instruction Completion  */
179 #define   DBSR_TIE	    0x01000000	/* Book E Trap Instruction Event */
180 #endif /* CONFIG_BOOKE */
181 #define SPRN_DCCR	0x3FA	/* Data Cache Cacheability Register */
182 #define   DCCR_NOCACHE		0	/* Noncacheable */
183 #define   DCCR_CACHE		1	/* Cacheable */
184 #ifndef CONFIG_BOOKE
185 #define	SPRN_DCDBTRL	0x39c	/* Data Cache Debug Tag Register Low */
186 #define	SPRN_DCDBTRH	0x39d	/* Data Cache Debug Tag Register High */
187 #endif
188 #define SPRN_DCMP	0x3D1	/* Data TLB Compare Register */
189 #define SPRN_DCWR	0x3BA	/* Data Cache Write-thru Register */
190 #define   DCWR_COPY		0	/* Copy-back */
191 #define   DCWR_WRITE		1	/* Write-through */
192 #ifndef CONFIG_BOOKE
193 #define SPRN_DEAR	0x3D5	/* Data Error Address Register */
194 #else
195 #define SPRN_DEAR	0x03D	/* Book E Data Error Address Register */
196 #endif /* CONFIG_BOOKE */
197 #define SPRN_DEC	0x016	/* Decrement Register */
198 #define SPRN_DMISS	0x3D0	/* Data TLB Miss Register */
199 #ifdef CONFIG_BOOKE
200 #define	SPRN_DNV0	0x390	/* Data Cache Normal Victim 0 */
201 #define	SPRN_DNV1	0x391	/* Data Cache Normal Victim 1 */
202 #define	SPRN_DNV2	0x392	/* Data Cache Normal Victim 2 */
203 #define	SPRN_DNV3	0x393	/* Data Cache Normal Victim 3 */
204 #endif
205 #define SPRN_DSISR	0x012	/* Data Storage Interrupt Status Register */
206 #ifdef CONFIG_BOOKE
207 #define	SPRN_DTV0	0x394	/* Data Cache Transient Victim 0 */
208 #define	SPRN_DTV1	0x395	/* Data Cache Transient Victim 1 */
209 #define	SPRN_DTV2	0x396	/* Data Cache Transient Victim 2 */
210 #define	SPRN_DTV3	0x397	/* Data Cache Transient Victim 3 */
211 #define	SPRN_DVLIM	0x398	/* Data Cache Victim Limit */
212 #endif
213 #define SPRN_EAR	0x11A	/* External Address Register */
214 #ifndef CONFIG_BOOKE
215 #define SPRN_ESR	0x3D4	/* Exception Syndrome Register */
216 #else
217 #define SPRN_ESR	0x03E		/* Book E Exception Syndrome Register */
218 #endif /* CONFIG_BOOKE */
219 #define   ESR_IMCP	0x80000000	/* Instr. Machine Check - Protection */
220 #define   ESR_IMCN	0x40000000	/* Instr. Machine Check - Non-config */
221 #define   ESR_IMCB	0x20000000	/* Instr. Machine Check - Bus error */
222 #define   ESR_IMCT	0x10000000	/* Instr. Machine Check - Timeout */
223 #define   ESR_PIL	0x08000000	/* Program Exception - Illegal */
224 #define   ESR_PPR	0x04000000	/* Program Exception - Priveleged */
225 #define   ESR_PTR	0x02000000	/* Program Exception - Trap */
226 #define   ESR_DST	0x00800000	/* Storage Exception - Data miss */
227 #define   ESR_DIZ	0x00400000	/* Storage Exception - Zone fault */
228 #define SPRN_EVPR	0x3D6	/* Exception Vector Prefix Register */
229 #define SPRN_HASH1	0x3D2	/* Primary Hash Address Register */
230 #define SPRN_HASH2	0x3D3	/* Secondary Hash Address Resgister */
231 #define SPRN_HID0	0x3F0	/* Hardware Implementation Register 0 */
232 
233 #define HID0_ICE_SHIFT		15
234 #define HID0_DCE_SHIFT		14
235 #define HID0_DLOCK_SHIFT	12
236 
237 #define   HID0_EMCP	(1<<31)		/* Enable Machine Check pin */
238 #define   HID0_EBA	(1<<29)		/* Enable Bus Address Parity */
239 #define   HID0_EBD	(1<<28)		/* Enable Bus Data Parity */
240 #define   HID0_SBCLK	(1<<27)
241 #define   HID0_EICE	(1<<26)
242 #define   HID0_ECLK	(1<<25)
243 #define   HID0_PAR	(1<<24)
244 #define   HID0_DOZE	(1<<23)
245 #define   HID0_NAP	(1<<22)
246 #define   HID0_SLEEP	(1<<21)
247 #define   HID0_DPM	(1<<20)
248 #define   HID0_ICE	(1<<HID0_ICE_SHIFT)	/* Instruction Cache Enable */
249 #define   HID0_DCE	(1<<HID0_DCE_SHIFT)	/* Data Cache Enable */
250 #define   HID0_TBEN	(1<<14)		/* Time Base Enable */
251 #define   HID0_ILOCK	(1<<13)		/* Instruction Cache Lock */
252 #define   HID0_DLOCK	(1<<HID0_DLOCK_SHIFT)	/* Data Cache Lock */
253 #define   HID0_ICFI	(1<<11)		/* Instr. Cache Flash Invalidate */
254 #define   HID0_DCFI	(1<<10)		/* Data Cache Flash Invalidate */
255 #define   HID0_DCI	HID0_DCFI
256 #define   HID0_SPD	(1<<9)		/* Speculative disable */
257 #define   HID0_ENMAS7	(1<<7)		/* Enable MAS7 Update for 36-bit phys */
258 #define   HID0_SGE	(1<<7)		/* Store Gathering Enable */
259 #define   HID0_SIED	HID_SGE		/* Serial Instr. Execution [Disable] */
260 #define   HID0_DCFA	(1<<6)		/* Data Cache Flush Assist */
261 #define   HID0_BTIC	(1<<5)		/* Branch Target Instruction Cache Enable */
262 #define   HID0_ABE	(1<<3)		/* Address Broadcast Enable */
263 #define   HID0_BHTE	(1<<2)		/* Branch History Table Enable */
264 #define   HID0_BTCD	(1<<1)		/* Branch target cache disable */
265 #define SPRN_HID1	0x3F1	/* Hardware Implementation Register 1 */
266 #define	  HID1_RFXE	(1<<17)		/* Read Fault Exception Enable */
267 #define	  HID1_ASTME	(1<<13)		/* Address bus streaming mode */
268 #define	  HID1_ABE	(1<<12)		/* Address broadcast enable */
269 #define SPRN_IABR	0x3F2	/* Instruction Address Breakpoint Register */
270 #ifndef CONFIG_BOOKE
271 #define SPRN_IAC1	0x3F4	/* Instruction Address Compare 1 */
272 #define SPRN_IAC2	0x3F5	/* Instruction Address Compare 2 */
273 #else
274 #define SPRN_IAC1	0x138	/* Book E Instruction Address Compare 1 */
275 #define SPRN_IAC2	0x139	/* Book E Instruction Address Compare 2 */
276 #endif /* CONFIG_BOOKE */
277 #define SPRN_IBAT0L	0x211	/* Instruction BAT 0 Lower Register */
278 #define SPRN_IBAT0U	0x210	/* Instruction BAT 0 Upper Register */
279 #define SPRN_IBAT1L	0x213	/* Instruction BAT 1 Lower Register */
280 #define SPRN_IBAT1U	0x212	/* Instruction BAT 1 Upper Register */
281 #define SPRN_IBAT2L	0x215	/* Instruction BAT 2 Lower Register */
282 #define SPRN_IBAT2U	0x214	/* Instruction BAT 2 Upper Register */
283 #define SPRN_IBAT3L	0x217	/* Instruction BAT 3 Lower Register */
284 #define SPRN_IBAT3U	0x216	/* Instruction BAT 3 Upper Register */
285 #define SPRN_IBAT4L	0x231	/* Instruction BAT 4 Lower Register */
286 #define SPRN_IBAT4U	0x230	/* Instruction BAT 4 Upper Register */
287 #define SPRN_IBAT5L	0x233	/* Instruction BAT 5 Lower Register */
288 #define SPRN_IBAT5U	0x232	/* Instruction BAT 5 Upper Register */
289 #define SPRN_IBAT6L	0x235	/* Instruction BAT 6 Lower Register */
290 #define SPRN_IBAT6U	0x234	/* Instruction BAT 6 Upper Register */
291 #define SPRN_IBAT7L	0x237	/* Instruction BAT 7 Lower Register */
292 #define SPRN_IBAT7U	0x236	/* Instruction BAT 7 Upper Register */
293 #define SPRN_ICCR	0x3FB	/* Instruction Cache Cacheability Register */
294 #define   ICCR_NOCACHE		0	/* Noncacheable */
295 #define   ICCR_CACHE		1	/* Cacheable */
296 #define SPRN_ICDBDR	0x3D3	/* Instruction Cache Debug Data Register */
297 #ifdef CONFIG_BOOKE
298 #define SPRN_ICDBTRL	0x39e	/* instruction cache debug tag register low */
299 #define	SPRN_ICDBTRH	0x39f	/* instruction cache debug tag register high */
300 #endif
301 #define SPRN_ICMP	0x3D5	/* Instruction TLB Compare Register */
302 #define SPRN_ICTC	0x3FB	/* Instruction Cache Throttling Control Reg */
303 #define SPRN_IMISS	0x3D4	/* Instruction TLB Miss Register */
304 #define SPRN_IMMR	0x27E	/* Internal Memory Map Register */
305 #ifdef CONFIG_BOOKE
306 #define	SPRN_INV0	0x370	/* Instruction Cache Normal Victim 0 */
307 #define	SPRN_INV1	0x371	/* Instruction Cache Normal Victim 1 */
308 #define	SPRN_INV2	0x372	/* Instruction Cache Normal Victim 2 */
309 #define	SPRN_INV3	0x373	/* Instruction Cache Normal Victim 3 */
310 #define	SPRN_ITV0	0x374	/* Instruction Cache Transient Victim 0 */
311 #define	SPRN_ITV1	0x375	/* Instruction Cache Transient Victim 1 */
312 #define	SPRN_ITV2	0x376	/* Instruction Cache Transient Victim 2 */
313 #define	SPRN_ITV3	0x377	/* Instruction Cache Transient Victim 3 */
314 #define	SPRN_IVLIM	0x399	/* Instruction Cache Victim Limit */
315 #endif
316 #define SPRN_LDSTCR	0x3F8	/* Load/Store Control Register */
317 #define SPRN_L2CR	0x3F9	/* Level 2 Cache Control Regsiter */
318 #define SPRN_LR		0x008	/* Link Register */
319 #define SPRN_MBAR	0x137	/* System memory base address */
320 #define SPRN_MMCR0	0x3B8	/* Monitor Mode Control Register 0 */
321 #define SPRN_MMCR1	0x3BC	/* Monitor Mode Control Register 1 */
322 #ifdef CONFIG_BOOKE
323 #define	SPRN_MMUCR	0x3b2	/* MMU Control Register */
324 #endif
325 #define SPRN_PBL1	0x3FC	/* Protection Bound Lower 1 */
326 #define SPRN_PBL2	0x3FE	/* Protection Bound Lower 2 */
327 #define SPRN_PBU1	0x3FD	/* Protection Bound Upper 1 */
328 #define SPRN_PBU2	0x3FF	/* Protection Bound Upper 2 */
329 #ifndef CONFIG_BOOKE
330 #define SPRN_PID	0x3B1	/* Process ID */
331 #define SPRN_PIR	0x3FF	/* Processor Identification Register */
332 #else
333 #define SPRN_PID	0x030	/* Book E Process ID */
334 #define SPRN_PIR	0x11E	/* Book E Processor Identification Register */
335 #endif /* CONFIG_BOOKE */
336 #define SPRN_PIT	0x3DB	/* Programmable Interval Timer */
337 #define SPRN_PMC1	0x3B9	/* Performance Counter Register 1 */
338 #define SPRN_PMC2	0x3BA	/* Performance Counter Register 2 */
339 #define SPRN_PMC3	0x3BD	/* Performance Counter Register 3 */
340 #define SPRN_PMC4	0x3BE	/* Performance Counter Register 4 */
341 #define SPRN_PVR	0x11F	/* Processor Version Register */
342 #define SPRN_RPA	0x3D6	/* Required Physical Address Register */
343 #ifdef CONFIG_BOOKE
344 #define	SPRN_RSTCFG	0x39b	/* Reset Configuration */
345 #endif
346 #define SPRN_SDA	0x3BF	/* Sampled Data Address Register */
347 #define SPRN_SDR1	0x019	/* MMU Hash Base Register */
348 #define SPRN_SGR	0x3B9	/* Storage Guarded Register */
349 #define   SGR_NORMAL		0
350 #define   SGR_GUARDED		1
351 #define SPRN_SIA	0x3BB	/* Sampled Instruction Address Register */
352 #define SPRN_SPRG0	0x110	/* Special Purpose Register General 0 */
353 #define SPRN_SPRG1	0x111	/* Special Purpose Register General 1 */
354 #define SPRN_SPRG2	0x112	/* Special Purpose Register General 2 */
355 #define SPRN_SPRG3	0x113	/* Special Purpose Register General 3 */
356 #define SPRN_SPRG4	0x114	/* Special Purpose Register General 4 */
357 #define SPRN_SPRG5	0x115	/* Special Purpose Register General 5 */
358 #define SPRN_SPRG6	0x116	/* Special Purpose Register General 6 */
359 #define SPRN_SPRG7	0x117	/* Special Purpose Register General 7 */
360 #define SPRN_SRR0	0x01A	/* Save/Restore Register 0 */
361 #define SPRN_SRR1	0x01B	/* Save/Restore Register 1 */
362 #define SPRN_SRR2	0x3DE	/* Save/Restore Register 2 */
363 #define SPRN_SRR3	0x3DF	/* Save/Restore Register 3 */
364 
365 #ifdef CONFIG_BOOKE
366 #define SPRN_SVR	0x3FF	/* System Version Register */
367 #else
368 #define SPRN_SVR	0x11E	/* System Version Register */
369 #endif
370 #define SPRN_TBHI	0x3DC	/* Time Base High */
371 #define SPRN_TBHU	0x3CC	/* Time Base High User-mode */
372 #define SPRN_TBLO	0x3DD	/* Time Base Low */
373 #define SPRN_TBLU	0x3CD	/* Time Base Low User-mode */
374 #define SPRN_TBRL	0x10C	/* Time Base Read Lower Register */
375 #define SPRN_TBRU	0x10D	/* Time Base Read Upper Register */
376 #define SPRN_TBWL	0x11C	/* Time Base Write Lower Register */
377 #define SPRN_TBWU	0x11D	/* Time Base Write Upper Register */
378 #ifndef CONFIG_BOOKE
379 #define SPRN_TCR	0x3DA	/* Timer Control Register */
380 #else
381 #define SPRN_TCR	0x154	/* Book E Timer Control Register */
382 #endif /* CONFIG_BOOKE */
383 #define   TCR_WP(x)		(((x)&0x3)<<30)	/* WDT Period */
384 #define     WP_2_17		0		/* 2^17 clocks */
385 #define     WP_2_21		1		/* 2^21 clocks */
386 #define     WP_2_25		2		/* 2^25 clocks */
387 #define     WP_2_29		3		/* 2^29 clocks */
388 #define   TCR_WRC(x)		(((x)&0x3)<<28)	/* WDT Reset Control */
389 #define     WRC_NONE		0		/* No reset will occur */
390 #define     WRC_CORE		1		/* Core reset will occur */
391 #define     WRC_CHIP		2		/* Chip reset will occur */
392 #define     WRC_SYSTEM		3		/* System reset will occur */
393 #define   TCR_WIE		0x08000000	/* WDT Interrupt Enable */
394 #define   TCR_PIE		0x04000000	/* PIT Interrupt Enable */
395 #define   TCR_FP(x)		(((x)&0x3)<<24)	/* FIT Period */
396 #define     FP_2_9		0		/* 2^9 clocks */
397 #define     FP_2_13		1		/* 2^13 clocks */
398 #define     FP_2_17		2		/* 2^17 clocks */
399 #define     FP_2_21		3		/* 2^21 clocks */
400 #define   TCR_FIE		0x00800000	/* FIT Interrupt Enable */
401 #define   TCR_ARE		0x00400000	/* Auto Reload Enable */
402 #define SPRN_THRM1	0x3FC	/* Thermal Management Register 1 */
403 #define   THRM1_TIN		(1<<0)
404 #define   THRM1_TIV		(1<<1)
405 #define   THRM1_THRES		(0x7f<<2)
406 #define   THRM1_TID		(1<<29)
407 #define   THRM1_TIE		(1<<30)
408 #define   THRM1_V		(1<<31)
409 #define SPRN_THRM2	0x3FD	/* Thermal Management Register 2 */
410 #define SPRN_THRM3	0x3FE	/* Thermal Management Register 3 */
411 #define   THRM3_E		(1<<31)
412 #define SPRN_TLBMISS	0x3D4	/* 980 7450 TLB Miss Register */
413 #ifndef CONFIG_BOOKE
414 #define SPRN_TSR	0x3D8	/* Timer Status Register */
415 #else
416 #define SPRN_TSR	0x150	/* Book E Timer Status Register */
417 #endif /* CONFIG_BOOKE */
418 #define   TSR_ENW		0x80000000	/* Enable Next Watchdog */
419 #define   TSR_WIS		0x40000000	/* WDT Interrupt Status */
420 #define   TSR_WRS(x)		(((x)&0x3)<<28)	/* WDT Reset Status */
421 #define     WRS_NONE		0		/* No WDT reset occurred */
422 #define     WRS_CORE		1		/* WDT forced core reset */
423 #define     WRS_CHIP		2		/* WDT forced chip reset */
424 #define     WRS_SYSTEM		3		/* WDT forced system reset */
425 #define   TSR_PIS		0x08000000	/* PIT Interrupt Status */
426 #define   TSR_FIS		0x04000000	/* FIT Interrupt Status */
427 #define SPRN_UMMCR0	0x3A8	/* User Monitor Mode Control Register 0 */
428 #define SPRN_UMMCR1	0x3AC	/* User Monitor Mode Control Register 0 */
429 #define SPRN_UPMC1	0x3A9	/* User Performance Counter Register 1 */
430 #define SPRN_UPMC2	0x3AA	/* User Performance Counter Register 2 */
431 #define SPRN_UPMC3	0x3AD	/* User Performance Counter Register 3 */
432 #define SPRN_UPMC4	0x3AE	/* User Performance Counter Register 4 */
433 #define SPRN_USIA	0x3AB	/* User Sampled Instruction Address Register */
434 #define SPRN_XER	0x001	/* Fixed Point Exception Register */
435 #define SPRN_ZPR	0x3B0	/* Zone Protection Register */
436 
437 /* Book E definitions */
438 #define SPRN_DECAR	0x036	/* Decrementer Auto Reload Register */
439 #define SPRN_CSRR0	0x03A	/* Critical SRR0 */
440 #define SPRN_CSRR1	0x03B	/* Critical SRR0 */
441 #define SPRN_IVPR	0x03F	/* Interrupt Vector Prefix Register */
442 #define SPRN_USPRG0	0x100	/* User Special Purpose Register General 0 */
443 #define SPRN_SPRG4R	0x104	/* Special Purpose Register General 4 Read */
444 #define SPRN_SPRG5R	0x105	/* Special Purpose Register General 5 Read */
445 #define SPRN_SPRG6R	0x106	/* Special Purpose Register General 6 Read */
446 #define SPRN_SPRG7R	0x107	/* Special Purpose Register General 7 Read */
447 #define SPRN_SPRG4W	0x114	/* Special Purpose Register General 4 Write */
448 #define SPRN_SPRG5W	0x115	/* Special Purpose Register General 5 Write */
449 #define SPRN_SPRG6W	0x116	/* Special Purpose Register General 6 Write */
450 #define SPRN_SPRG7W	0x117	/* Special Purpose Register General 7 Write */
451 #define SPRN_DBCR2	0x136	/* Debug Control Register 2 */
452 #define SPRN_IAC3	0x13A	/* Instruction Address Compare 3 */
453 #define SPRN_IAC4	0x13B	/* Instruction Address Compare 4 */
454 #define SPRN_DVC1	0x13E	/* Data Value Compare Register 1 */
455 #define SPRN_DVC2	0x13F	/* Data Value Compare Register 2 */
456 #define SPRN_IVOR0	0x190	/* Interrupt Vector Offset Register 0 */
457 #define SPRN_IVOR1	0x191	/* Interrupt Vector Offset Register 1 */
458 #define SPRN_IVOR2	0x192	/* Interrupt Vector Offset Register 2 */
459 #define SPRN_IVOR3	0x193	/* Interrupt Vector Offset Register 3 */
460 #define SPRN_IVOR4	0x194	/* Interrupt Vector Offset Register 4 */
461 #define SPRN_IVOR5	0x195	/* Interrupt Vector Offset Register 5 */
462 #define SPRN_IVOR6	0x196	/* Interrupt Vector Offset Register 6 */
463 #define SPRN_IVOR7	0x197	/* Interrupt Vector Offset Register 7 */
464 #define SPRN_IVOR8	0x198	/* Interrupt Vector Offset Register 8 */
465 #define SPRN_IVOR9	0x199	/* Interrupt Vector Offset Register 9 */
466 #define SPRN_IVOR10	0x19a	/* Interrupt Vector Offset Register 10 */
467 #define SPRN_IVOR11	0x19b	/* Interrupt Vector Offset Register 11 */
468 #define SPRN_IVOR12	0x19c	/* Interrupt Vector Offset Register 12 */
469 #define SPRN_IVOR13	0x19d	/* Interrupt Vector Offset Register 13 */
470 #define SPRN_IVOR14	0x19e	/* Interrupt Vector Offset Register 14 */
471 #define SPRN_IVOR15	0x19f	/* Interrupt Vector Offset Register 15 */
472 
473 /* e500 definitions */
474 #define SPRN_L1CFG0	0x203	/* L1 Cache Configuration Register 0 */
475 #define SPRN_L1CFG1	0x204	/* L1 Cache Configuration Register 1 */
476 #define SPRN_L2CFG0	0x207	/* L2 Cache Configuration Register 0 */
477 #define SPRN_L1CSR0	0x3f2	/* L1 Data Cache Control and Status Register 0 */
478 #define   L1CSR0_CPE		0x00010000	/* Data Cache Parity Enable */
479 #define   L1CSR0_DCFI		0x00000002	/* Data Cache Flash Invalidate */
480 #define   L1CSR0_DCE		0x00000001	/* Data Cache Enable */
481 #define SPRN_L1CSR1	0x3f3	/* L1 Instruction Cache Control and Status Register 1 */
482 #define   L1CSR1_CPE		0x00010000	/* Instruction Cache Parity Enable */
483 #define   L1CSR1_ICFI		0x00000002	/* Instruction Cache Flash Invalidate */
484 #define   L1CSR1_ICE		0x00000001	/* Instruction Cache Enable */
485 #define SPRN_L1CSR2	0x25e	/* L1 Data Cache Control and Status Register 2 */
486 #define SPRN_L2CSR0	0x3f9	/* L2 Data Cache Control and Status Register 0 */
487 #define   L2CSR0_L2E		0x80000000	/* L2 Cache Enable */
488 #define   L2CSR0_L2PE		0x40000000	/* L2 Cache Parity/ECC Enable */
489 #define   L2CSR0_L2WP		0x1c000000	/* L2 I/D Way Partioning */
490 #define   L2CSR0_L2CM		0x03000000	/* L2 Cache Coherency Mode */
491 #define   L2CSR0_L2FI		0x00200000	/* L2 Cache Flash Invalidate */
492 #define   L2CSR0_L2IO		0x00100000	/* L2 Cache Instruction Only */
493 #define   L2CSR0_L2DO		0x00010000	/* L2 Cache Data Only */
494 #define   L2CSR0_L2REP		0x00003000	/* L2 Line Replacement Algo */
495 #define   L2CSR0_L2FL		0x00000800	/* L2 Cache Flush */
496 #define   L2CSR0_L2LFC		0x00000400	/* L2 Cache Lock Flash Clear */
497 #define   L2CSR0_L2LOA		0x00000080	/* L2 Cache Lock Overflow Allocate */
498 #define   L2CSR0_L2LO		0x00000020	/* L2 Cache Lock Overflow */
499 #define SPRN_L2CSR1	0x3fa	/* L2 Data Cache Control and Status Register 1 */
500 
501 #define SPRN_TLB0CFG	0x2B0	/* TLB 0 Config Register */
502 #define SPRN_TLB1CFG	0x2B1	/* TLB 1 Config Register */
503 #define SPRN_MMUCSR0	0x3f4	/* MMU control and status register 0 */
504 #define SPRN_MAS0	0x270	/* MMU Assist Register 0 */
505 #define SPRN_MAS1	0x271	/* MMU Assist Register 1 */
506 #define SPRN_MAS2	0x272	/* MMU Assist Register 2 */
507 #define SPRN_MAS3	0x273	/* MMU Assist Register 3 */
508 #define SPRN_MAS4	0x274	/* MMU Assist Register 4 */
509 #define SPRN_MAS5	0x275	/* MMU Assist Register 5 */
510 #define SPRN_MAS6	0x276	/* MMU Assist Register 6 */
511 #define SPRN_MAS7	0x3B0	/* MMU Assist Register 7 */
512 
513 #define SPRN_IVOR32	0x210	/* Interrupt Vector Offset Register 32 */
514 #define SPRN_IVOR33	0x211	/* Interrupt Vector Offset Register 33 */
515 #define SPRN_IVOR34	0x212	/* Interrupt Vector Offset Register 34 */
516 #define SPRN_IVOR35	0x213	/* Interrupt Vector Offset Register 35 */
517 #define SPRN_SPEFSCR	0x200	/* SPE & Embedded FP Status & Control */
518 
519 #define SPRN_MCSRR0	0x23a	/* Machine Check Save and Restore Register 0 */
520 #define SPRN_MCSRR1	0x23b	/* Machine Check Save and Restore Register 1 */
521 #define SPRN_BUCSR	0x3f5	/* Branch Control and Status Register */
522 #define SPRN_BBEAR	0x201	/* Branch Buffer Entry Address Register */
523 #define SPRN_BBTAR	0x202	/* Branch Buffer Target Address Register */
524 #define SPRN_PID1	0x279	/* Process ID Register 1 */
525 #define SPRN_PID2	0x27a	/* Process ID Register 2 */
526 #define SPRN_MCSR	0x23c	/* Machine Check Syndrome register */
527 #define SPRN_MCAR	0x23d	/* Machine Check Address register */
528 #define MCSR_MCS	0x80000000	/* Machine Check Summary */
529 #define MCSR_IB		0x40000000	/* Instruction PLB Error */
530 #if defined(CONFIG_440)
531 #define MCSR_DRB	0x20000000	/* Data Read PLB Error */
532 #define MCSR_DWB	0x10000000	/* Data Write PLB Error */
533 #else
534 #define MCSR_DB		0x20000000	/* Data PLB Error */
535 #endif /* defined(CONFIG_440) */
536 #define MCSR_TLBP	0x08000000	/* TLB Parity Error */
537 #define MCSR_ICP	0x04000000	/* I-Cache Parity Error */
538 #define MCSR_DCSP	0x02000000	/* D-Cache Search Parity Error */
539 #define MCSR_DCFP	0x01000000	/* D-Cache Flush Parity Error */
540 #define MCSR_IMPE	0x00800000	/* Imprecise Machine Check Exception */
541 #define ESR_ST		0x00800000	/* Store Operation */
542 
543 #if defined(CONFIG_MPC86xx)
544 #define SPRN_MSSCR0	0x3f6
545 #define SPRN_MSSSR0	0x3f7
546 #endif
547 
548 /* Short-hand versions for a number of the above SPRNs */
549 
550 #define CTR	SPRN_CTR	/* Counter Register */
551 #define DAR	SPRN_DAR	/* Data Address Register */
552 #define DABR	SPRN_DABR	/* Data Address Breakpoint Register */
553 #define DAC1	SPRN_DAC1	/* Data Address Register 1 */
554 #define DAC2	SPRN_DAC2	/* Data Address Register 2 */
555 #define DBAT0L	SPRN_DBAT0L	/* Data BAT 0 Lower Register */
556 #define DBAT0U	SPRN_DBAT0U	/* Data BAT 0 Upper Register */
557 #define DBAT1L	SPRN_DBAT1L	/* Data BAT 1 Lower Register */
558 #define DBAT1U	SPRN_DBAT1U	/* Data BAT 1 Upper Register */
559 #define DBAT2L	SPRN_DBAT2L	/* Data BAT 2 Lower Register */
560 #define DBAT2U	SPRN_DBAT2U	/* Data BAT 2 Upper Register */
561 #define DBAT3L	SPRN_DBAT3L	/* Data BAT 3 Lower Register */
562 #define DBAT3U	SPRN_DBAT3U	/* Data BAT 3 Upper Register */
563 #define DBAT4L	SPRN_DBAT4L	/* Data BAT 4 Lower Register */
564 #define DBAT4U	SPRN_DBAT4U	/* Data BAT 4 Upper Register */
565 #define DBAT5L	SPRN_DBAT5L	/* Data BAT 5 Lower Register */
566 #define DBAT5U	SPRN_DBAT5U	/* Data BAT 5 Upper Register */
567 #define DBAT6L	SPRN_DBAT6L	/* Data BAT 6 Lower Register */
568 #define DBAT6U	SPRN_DBAT6U	/* Data BAT 6 Upper Register */
569 #define DBAT7L	SPRN_DBAT7L	/* Data BAT 7 Lower Register */
570 #define DBAT7U	SPRN_DBAT7U	/* Data BAT 7 Upper Register */
571 #define DBCR0	SPRN_DBCR0	/* Debug Control Register 0 */
572 #define DBCR1	SPRN_DBCR1	/* Debug Control Register 1 */
573 #define DBSR	SPRN_DBSR	/* Debug Status Register */
574 #define DCMP	SPRN_DCMP	/* Data TLB Compare Register */
575 #define DEC	SPRN_DEC	/* Decrement Register */
576 #define DMISS	SPRN_DMISS	/* Data TLB Miss Register */
577 #define DSISR	SPRN_DSISR	/* Data Storage Interrupt Status Register */
578 #define EAR	SPRN_EAR	/* External Address Register */
579 #define ESR	SPRN_ESR	/* Exception Syndrome Register */
580 #define HASH1	SPRN_HASH1	/* Primary Hash Address Register */
581 #define HASH2	SPRN_HASH2	/* Secondary Hash Address Register */
582 #define HID0	SPRN_HID0	/* Hardware Implementation Register 0 */
583 #define HID1	SPRN_HID1	/* Hardware Implementation Register 1 */
584 #define IABR	SPRN_IABR	/* Instruction Address Breakpoint Register */
585 #define IAC1	SPRN_IAC1	/* Instruction Address Register 1 */
586 #define IAC2	SPRN_IAC2	/* Instruction Address Register 2 */
587 #define IBAT0L	SPRN_IBAT0L	/* Instruction BAT 0 Lower Register */
588 #define IBAT0U	SPRN_IBAT0U	/* Instruction BAT 0 Upper Register */
589 #define IBAT1L	SPRN_IBAT1L	/* Instruction BAT 1 Lower Register */
590 #define IBAT1U	SPRN_IBAT1U	/* Instruction BAT 1 Upper Register */
591 #define IBAT2L	SPRN_IBAT2L	/* Instruction BAT 2 Lower Register */
592 #define IBAT2U	SPRN_IBAT2U	/* Instruction BAT 2 Upper Register */
593 #define IBAT3L	SPRN_IBAT3L	/* Instruction BAT 3 Lower Register */
594 #define IBAT3U	SPRN_IBAT3U	/* Instruction BAT 3 Upper Register */
595 #define IBAT4L	SPRN_IBAT4L	/* Instruction BAT 4 Lower Register */
596 #define IBAT4U	SPRN_IBAT4U	/* Instruction BAT 4 Upper Register */
597 #define IBAT5L	SPRN_IBAT5L	/* Instruction BAT 5 Lower Register */
598 #define IBAT5U	SPRN_IBAT5U	/* Instruction BAT 5 Upper Register */
599 #define IBAT6L	SPRN_IBAT6L	/* Instruction BAT 6 Lower Register */
600 #define IBAT6U	SPRN_IBAT6U	/* Instruction BAT 6 Upper Register */
601 #define IBAT7L	SPRN_IBAT7L	/* Instruction BAT 7 Lower Register */
602 #define IBAT7U	SPRN_IBAT7U	/* Instruction BAT 7 Lower Register */
603 #define ICMP	SPRN_ICMP	/* Instruction TLB Compare Register */
604 #define IMISS	SPRN_IMISS	/* Instruction TLB Miss Register */
605 #define IMMR	SPRN_IMMR	/* PPC 860/821 Internal Memory Map Register */
606 #define LDSTCR	SPRN_LDSTCR	/* Load/Store Control Register */
607 #define L2CR	SPRN_L2CR	/* PPC 750 L2 control register */
608 #define LR	SPRN_LR
609 #define MBAR	SPRN_MBAR	/* System memory base address */
610 #if defined(CONFIG_MPC86xx)
611 #define MSSCR0	SPRN_MSSCR0
612 #endif
613 #if defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
614 #define PIR	SPRN_PIR
615 #endif
616 #define SVR	SPRN_SVR	/* System-On-Chip Version Register */
617 #define PVR	SPRN_PVR	/* Processor Version */
618 #define RPA	SPRN_RPA	/* Required Physical Address Register */
619 #define SDR1	SPRN_SDR1	/* MMU hash base register */
620 #define SPR0	SPRN_SPRG0	/* Supervisor Private Registers */
621 #define SPR1	SPRN_SPRG1
622 #define SPR2	SPRN_SPRG2
623 #define SPR3	SPRN_SPRG3
624 #define SPRG0	SPRN_SPRG0
625 #define SPRG1	SPRN_SPRG1
626 #define SPRG2	SPRN_SPRG2
627 #define SPRG3	SPRN_SPRG3
628 #define SPRG4	SPRN_SPRG4
629 #define SPRG5	SPRN_SPRG5
630 #define SPRG6	SPRN_SPRG6
631 #define SPRG7	SPRN_SPRG7
632 #define SRR0	SPRN_SRR0	/* Save and Restore Register 0 */
633 #define SRR1	SPRN_SRR1	/* Save and Restore Register 1 */
634 #define SRR2	SPRN_SRR2	/* Save and Restore Register 2 */
635 #define SRR3	SPRN_SRR3	/* Save and Restore Register 3 */
636 #define SVR	SPRN_SVR	/* System Version Register */
637 #define TBRL	SPRN_TBRL	/* Time Base Read Lower Register */
638 #define TBRU	SPRN_TBRU	/* Time Base Read Upper Register */
639 #define TBWL	SPRN_TBWL	/* Time Base Write Lower Register */
640 #define TBWU	SPRN_TBWU	/* Time Base Write Upper Register */
641 #define TCR	SPRN_TCR	/* Timer Control Register */
642 #define TSR	SPRN_TSR	/* Timer Status Register */
643 #define ICTC	1019
644 #define THRM1	SPRN_THRM1	/* Thermal Management Register 1 */
645 #define THRM2	SPRN_THRM2	/* Thermal Management Register 2 */
646 #define THRM3	SPRN_THRM3	/* Thermal Management Register 3 */
647 #define XER	SPRN_XER
648 
649 #define DECAR	SPRN_DECAR
650 #define CSRR0	SPRN_CSRR0
651 #define CSRR1	SPRN_CSRR1
652 #define IVPR	SPRN_IVPR
653 #define USPRG0	SPRN_USPRG
654 #define SPRG4R	SPRN_SPRG4R
655 #define SPRG5R	SPRN_SPRG5R
656 #define SPRG6R	SPRN_SPRG6R
657 #define SPRG7R	SPRN_SPRG7R
658 #define SPRG4W	SPRN_SPRG4W
659 #define SPRG5W	SPRN_SPRG5W
660 #define SPRG6W	SPRN_SPRG6W
661 #define SPRG7W	SPRN_SPRG7W
662 #define DEAR	SPRN_DEAR
663 #define DBCR2	SPRN_DBCR2
664 #define IAC3	SPRN_IAC3
665 #define IAC4	SPRN_IAC4
666 #define DVC1	SPRN_DVC1
667 #define DVC2	SPRN_DVC2
668 #define IVOR0	SPRN_IVOR0
669 #define IVOR1	SPRN_IVOR1
670 #define IVOR2	SPRN_IVOR2
671 #define IVOR3	SPRN_IVOR3
672 #define IVOR4	SPRN_IVOR4
673 #define IVOR5	SPRN_IVOR5
674 #define IVOR6	SPRN_IVOR6
675 #define IVOR7	SPRN_IVOR7
676 #define IVOR8	SPRN_IVOR8
677 #define IVOR9	SPRN_IVOR9
678 #define IVOR10	SPRN_IVOR10
679 #define IVOR11	SPRN_IVOR11
680 #define IVOR12	SPRN_IVOR12
681 #define IVOR13	SPRN_IVOR13
682 #define IVOR14	SPRN_IVOR14
683 #define IVOR15	SPRN_IVOR15
684 #define IVOR32	SPRN_IVOR32
685 #define IVOR33	SPRN_IVOR33
686 #define IVOR34	SPRN_IVOR34
687 #define IVOR35	SPRN_IVOR35
688 #define MCSRR0	SPRN_MCSRR0
689 #define MCSRR1	SPRN_MCSRR1
690 #define L1CSR0	SPRN_L1CSR0
691 #define L1CSR1	SPRN_L1CSR1
692 #define L1CSR2	SPRN_L1CSR2
693 #define L1CFG0	SPRN_L1CFG0
694 #define L1CFG1	SPRN_L1CFG1
695 #define L2CFG0	SPRN_L2CFG0
696 #define L2CSR0	SPRN_L2CSR0
697 #define L2CSR1	SPRN_L2CSR1
698 #define MCSR	SPRN_MCSR
699 #define MMUCSR0	SPRN_MMUCSR0
700 #define BUCSR	SPRN_BUCSR
701 #define PID0	SPRN_PID
702 #define PID1	SPRN_PID1
703 #define PID2	SPRN_PID2
704 #define MAS0	SPRN_MAS0
705 #define MAS1	SPRN_MAS1
706 #define MAS2	SPRN_MAS2
707 #define MAS3	SPRN_MAS3
708 #define MAS4	SPRN_MAS4
709 #define MAS5	SPRN_MAS5
710 #define MAS6	SPRN_MAS6
711 #define MAS7	SPRN_MAS7
712 
713 #if defined(CONFIG_4xx) || defined(CONFIG_44x) || defined(CONFIG_MPC85xx)
714 #define DAR_DEAR DEAR
715 #else
716 #define DAR_DEAR DAR
717 #endif
718 
719 /* Device Control Registers */
720 
721 #define DCRN_BEAR	0x090	/* Bus Error Address Register */
722 #define DCRN_BESR	0x091	/* Bus Error Syndrome Register */
723 #define   BESR_DSES	0x80000000	/* Data-Side Error Status */
724 #define   BESR_DMES	0x40000000	/* DMA Error Status */
725 #define   BESR_RWS	0x20000000	/* Read/Write Status */
726 #define   BESR_ETMASK	0x1C000000	/* Error Type */
727 #define     ET_PROT	0
728 #define     ET_PARITY	1
729 #define     ET_NCFG	2
730 #define     ET_BUSERR	4
731 #define     ET_BUSTO	6
732 #define DCRN_DMACC0	0x0C4	/* DMA Chained Count Register 0 */
733 #define DCRN_DMACC1	0x0CC	/* DMA Chained Count Register 1 */
734 #define DCRN_DMACC2	0x0D4	/* DMA Chained Count Register 2 */
735 #define DCRN_DMACC3	0x0DC	 /* DMA Chained Count Register 3 */
736 #define DCRN_DMACR0	0x0C0	 /* DMA Channel Control Register 0 */
737 #define DCRN_DMACR1	0x0C8	 /* DMA Channel Control Register 1 */
738 #define DCRN_DMACR2	0x0D0	 /* DMA Channel Control Register 2 */
739 #define DCRN_DMACR3	0x0D8	 /* DMA Channel Control Register 3 */
740 #define DCRN_DMACT0	0x0C1	 /* DMA Count Register 0 */
741 #define DCRN_DMACT1	0x0C9	 /* DMA Count Register 1 */
742 #define DCRN_DMACT2	0x0D1	 /* DMA Count Register 2 */
743 #define DCRN_DMACT3	0x0D9	 /* DMA Count Register 3 */
744 #define DCRN_DMADA0	0x0C2	 /* DMA Destination Address Register 0 */
745 #define DCRN_DMADA1	0x0CA	 /* DMA Destination Address Register 1 */
746 #define DCRN_DMADA2	0x0D2	 /* DMA Destination Address Register 2 */
747 #define DCRN_DMADA3	0x0DA	 /* DMA Destination Address Register 3 */
748 #define DCRN_DMASA0	0x0C3	 /* DMA Source Address Register 0 */
749 #define DCRN_DMASA1	0x0CB	 /* DMA Source Address Register 1 */
750 #define DCRN_DMASA2	0x0D3	 /* DMA Source Address Register 2 */
751 #define DCRN_DMASA3	0x0DB	 /* DMA Source Address Register 3 */
752 #define DCRN_DMASR	0x0E0	 /* DMA Status Register */
753 #define DCRN_EXIER	0x042	 /* External Interrupt Enable Register */
754 #define   EXIER_CIE	0x80000000	/* Critical Interrupt Enable */
755 #define   EXIER_SRIE	0x08000000	/* Serial Port Rx Int. Enable */
756 #define   EXIER_STIE	0x04000000	/* Serial Port Tx Int. Enable */
757 #define   EXIER_JRIE	0x02000000	/* JTAG Serial Port Rx Int. Enable */
758 #define   EXIER_JTIE	0x01000000	/* JTAG Serial Port Tx Int. Enable */
759 #define   EXIER_D0IE	0x00800000	/* DMA Channel 0 Interrupt Enable */
760 #define   EXIER_D1IE	0x00400000	/* DMA Channel 1 Interrupt Enable */
761 #define   EXIER_D2IE	0x00200000	/* DMA Channel 2 Interrupt Enable */
762 #define   EXIER_D3IE	0x00100000	/* DMA Channel 3 Interrupt Enable */
763 #define   EXIER_E0IE	0x00000010	/* External Interrupt 0 Enable */
764 #define   EXIER_E1IE	0x00000008	/* External Interrupt 1 Enable */
765 #define   EXIER_E2IE	0x00000004	/* External Interrupt 2 Enable */
766 #define   EXIER_E3IE	0x00000002	/* External Interrupt 3 Enable */
767 #define   EXIER_E4IE	0x00000001	/* External Interrupt 4 Enable */
768 #define DCRN_EXISR	0x040	 /* External Interrupt Status Register */
769 #define DCRN_IOCR	0x0A0	 /* Input/Output Configuration Register */
770 #define   IOCR_E0TE	0x80000000
771 #define   IOCR_E0LP	0x40000000
772 #define   IOCR_E1TE	0x20000000
773 #define   IOCR_E1LP	0x10000000
774 #define   IOCR_E2TE	0x08000000
775 #define   IOCR_E2LP	0x04000000
776 #define   IOCR_E3TE	0x02000000
777 #define   IOCR_E3LP	0x01000000
778 #define   IOCR_E4TE	0x00800000
779 #define   IOCR_E4LP	0x00400000
780 #define   IOCR_EDT	0x00080000
781 #define   IOCR_SOR	0x00040000
782 #define   IOCR_EDO	0x00008000
783 #define   IOCR_2XC	0x00004000
784 #define   IOCR_ATC	0x00002000
785 #define   IOCR_SPD	0x00001000
786 #define   IOCR_BEM	0x00000800
787 #define   IOCR_PTD	0x00000400
788 #define   IOCR_ARE	0x00000080
789 #define   IOCR_DRC	0x00000020
790 #define   IOCR_RDM(x)	(((x) & 0x3) << 3)
791 #define   IOCR_TCS	0x00000004
792 #define   IOCR_SCS	0x00000002
793 #define   IOCR_SPC	0x00000001
794 
795 /* System-On-Chip Version Register */
796 
797 /* System-On-Chip Version Register (SVR) field extraction */
798 
799 #define SVR_VER(svr)	(((svr) >> 16) & 0xFFFF) /* Version field */
800 #define SVR_REV(svr)	(((svr) >>  0) & 0xFFFF) /* Revision field */
801 
802 #define SVR_CID(svr)	(((svr) >> 28) & 0x0F)	 /* Company or manufacturer ID */
803 #define SVR_SOCOP(svr)	(((svr) >> 22) & 0x3F)	 /* SOC integration options */
804 #define SVR_SID(svr)	(((svr) >> 16) & 0x3F)	 /* SOC ID */
805 #define SVR_PROC(svr)	(((svr) >> 12) & 0x0F)	 /* Process revision field */
806 #define SVR_MFG(svr)	(((svr) >>  8) & 0x0F)	 /* Manufacturing revision */
807 #define SVR_MJREV(svr)	(((svr) >>  4) & 0x0F)	 /* Major SOC design revision indicator */
808 #define SVR_MNREV(svr)	(((svr) >>  0) & 0x0F)	 /* Minor SOC design revision indicator */
809 
810 /* Processor Version Register */
811 
812 /* Processor Version Register (PVR) field extraction */
813 
814 #define PVR_VER(pvr)  (((pvr) >>  16) & 0xFFFF)	/* Version field */
815 #define PVR_REV(pvr)  (((pvr) >>   0) & 0xFFFF)	/* Revison field */
816 
817 /*
818  * AMCC has further subdivided the standard PowerPC 16-bit version and
819  * revision subfields of the PVR for the PowerPC 403s into the following:
820  */
821 
822 #define PVR_FAM(pvr)	(((pvr) >> 20) & 0xFFF)	/* Family field */
823 #define PVR_MEM(pvr)	(((pvr) >> 16) & 0xF)	/* Member field */
824 #define PVR_CORE(pvr)	(((pvr) >> 12) & 0xF)	/* Core field */
825 #define PVR_CFG(pvr)	(((pvr) >>  8) & 0xF)	/* Configuration field */
826 #define PVR_MAJ(pvr)	(((pvr) >>  4) & 0xF)	/* Major revision field */
827 #define PVR_MIN(pvr)	(((pvr) >>  0) & 0xF)	/* Minor revision field */
828 
829 /* e600 core PVR fields */
830 
831 #define PVR_E600_VER(pvr)	(((pvr) >> 15) & 0xFFFF) /* Version/type */
832 #define PVR_E600_TECH(pvr)	(((pvr) >> 12) & 0xF)	 /* Technology */
833 #define PVR_E600_MAJ(pvr)	(((pvr) >> 8) & 0xF)	 /* Major revision */
834 #define PVR_E600_MIN(pvr)	(((pvr) >> 0) & 0xFF)	 /* Minor revision */
835 
836 /* Processor Version Numbers */
837 
838 #define PVR_403GA	0x00200000
839 #define PVR_403GB	0x00200100
840 #define PVR_403GC	0x00200200
841 #define PVR_403GCX	0x00201400
842 #define PVR_405GP	0x40110000
843 #define PVR_405GP_RB	0x40110040
844 #define PVR_405GP_RC	0x40110082
845 #define PVR_405GP_RD	0x401100C4
846 #define PVR_405GP_RE	0x40110145  /* same as pc405cr rev c */
847 #define PVR_405CR_RA	0x40110041
848 #define PVR_405CR_RB	0x401100C5
849 #define PVR_405CR_RC	0x40110145  /* same as pc405gp rev e */
850 #define PVR_405EP_RA	0x51210950
851 #define PVR_405GPR_RB	0x50910951
852 #define PVR_405EZ_RA	0x41511460
853 #define PVR_405EXR1_RA	0x12911473 /* 405EXr rev A/B with Security */
854 #define PVR_405EXR2_RA	0x12911471 /* 405EXr rev A/B without Security */
855 #define PVR_405EX1_RA	0x12911477 /* 405EX rev A/B with Security */
856 #define PVR_405EX2_RA	0x12911475 /* 405EX rev A/B without Security */
857 #define PVR_405EXR1_RC	0x1291147B /* 405EXr rev C with Security */
858 #define PVR_405EXR2_RC	0x12911479 /* 405EXr rev C without Security */
859 #define PVR_405EX1_RC	0x1291147F /* 405EX rev C with Security */
860 #define PVR_405EX2_RC	0x1291147D /* 405EX rev C without Security */
861 #define PVR_440GP_RB	0x40120440
862 #define PVR_440GP_RC	0x40120481
863 #define PVR_440EP_RA	0x42221850
864 #define PVR_440EP_RB	0x422218D3 /* 440EP rev B and 440GR rev A have same PVR */
865 #define PVR_440EP_RC	0x422218D4 /* 440EP rev C and 440GR rev B have same PVR */
866 #define PVR_440GR_RA	0x422218D3 /* 440EP rev B and 440GR rev A have same PVR */
867 #define PVR_440GR_RB	0x422218D4 /* 440EP rev C and 440GR rev B have same PVR */
868 #define PVR_440EPX1_RA	0x216218D0 /* 440EPX rev A with Security / Kasumi */
869 #define PVR_440EPX2_RA	0x216218D4 /* 440EPX rev A without Security / Kasumi */
870 #define PVR_440GRX1_RA	0x216218D0 /* 440GRX rev A with Security / Kasumi */
871 #define PVR_440GRX2_RA	0x216218D4 /* 440GRX rev A without Security / Kasumi */
872 #define PVR_440GX_RA	0x51B21850
873 #define PVR_440GX_RB	0x51B21851
874 #define PVR_440GX_RC	0x51B21892
875 #define PVR_440GX_RF	0x51B21894
876 #define PVR_405EP_RB	0x51210950
877 #define PVR_440SP_6_RAB	0x53221850 /* 440SP rev A&B with RAID 6 support enabled	*/
878 #define PVR_440SP_RAB	0x53321850 /* 440SP rev A&B without RAID 6 support	*/
879 #define PVR_440SP_6_RC	0x53221891 /* 440SP rev C with RAID 6 support enabled	*/
880 #define PVR_440SP_RC	0x53321891 /* 440SP rev C without RAID 6 support	*/
881 #define PVR_440SPe_6_RA	0x53421890 /* 440SPe rev A with RAID 6 support enabled	*/
882 #define PVR_440SPe_RA	0x53521890 /* 440SPe rev A without RAID 6 support	*/
883 #define PVR_440SPe_6_RB	0x53421891 /* 440SPe rev B with RAID 6 support enabled	*/
884 #define PVR_440SPe_RB	0x53521891 /* 440SPe rev B without RAID 6 support	*/
885 #define PVR_460EX_SE_RA	0x130218A2 /* 460EX rev A with Security Engine	  */
886 #define PVR_460EX_RA	0x130218A3 /* 460EX rev A without Security Engine */
887 #define PVR_460GT_SE_RA	0x130218A0 /* 460GT rev A with Security Engine	  */
888 #define PVR_460GT_RA	0x130218A1 /* 460GT rev A without Security Engine */
889 #define PVR_460SX_RA    0x13541800 /* 460SX rev A                   */
890 #define PVR_460SX_RA_V1 0x13541801 /* 460SX rev A Variant 1 Security disabled */
891 #define PVR_460GX_RA    0x13541802 /* 460GX rev A                   */
892 #define PVR_460GX_RA_V1 0x13541803 /* 460GX rev A Variant 1 Security disabled */
893 #define PVR_601		0x00010000
894 #define PVR_602		0x00050000
895 #define PVR_603		0x00030000
896 #define PVR_603e	0x00060000
897 #define PVR_603ev	0x00070000
898 #define PVR_603r	0x00071000
899 #define PVR_604		0x00040000
900 #define PVR_604e	0x00090000
901 #define PVR_604r	0x000A0000
902 #define PVR_620		0x00140000
903 #define PVR_740		0x00080000
904 #define PVR_750		PVR_740
905 #define PVR_740P	0x10080000
906 #define PVR_750P	PVR_740P
907 #define PVR_7400	0x000C0000
908 #define PVR_7410	0x800C0000
909 #define PVR_7450	0x80000000
910 
911 #define PVR_85xx	0x80200000
912 #define PVR_85xx_REV1	(PVR_85xx | 0x0010)
913 #define PVR_85xx_REV2	(PVR_85xx | 0x0020)
914 
915 #define PVR_86xx	0x80040000
916 
917 #define PVR_VIRTEX5     0x7ff21912
918 
919 /*
920  * For the 8xx processors, all of them report the same PVR family for
921  * the PowerPC core. The various versions of these processors must be
922  * differentiated by the version number in the Communication Processor
923  * Module (CPM).
924  */
925 #define PVR_821		0x00500000
926 #define PVR_823		PVR_821
927 #define PVR_850		PVR_821
928 #define PVR_860		PVR_821
929 #define PVR_7400	0x000C0000
930 #define PVR_8240	0x00810100
931 
932 /*
933  * PowerQUICC II family processors report different PVR values depending
934  * on silicon process (HiP3, HiP4, HiP7, etc.)
935  */
936 #define PVR_8260	PVR_8240
937 #define PVR_8260_HIP3	0x00810101
938 #define PVR_8260_HIP4	0x80811014
939 #define PVR_8260_HIP7	0x80822011
940 #define PVR_8260_HIP7R1 0x80822013
941 #define PVR_8260_HIP7RA	0x80822014
942 
943 /*
944  * MPC 52xx
945  */
946 #define PVR_5200	0x80822011
947 #define PVR_5200B	0x80822014
948 
949 /*
950  * System Version Register
951  */
952 
953 /* System Version Register (SVR) field extraction */
954 
955 #define SVR_VER(svr)	(((svr) >>  16) & 0xFFFF)	/* Version field */
956 #define SVR_REV(svr)	(((svr) >>   0) & 0xFFFF)	/* Revison field */
957 
958 #define SVR_SUBVER(svr)	(((svr) >>  8) & 0xFF)	/* Process/MFG sub-version */
959 
960 #define SVR_FAM(svr)	(((svr) >> 20) & 0xFFF)	/* Family field */
961 #define SVR_MEM(svr)	(((svr) >> 16) & 0xF)	/* Member field */
962 
963 #define SVR_MAJ(svr)	(((svr) >>  4) & 0xF)	/* Major revision field*/
964 #define SVR_MIN(svr)	(((svr) >>  0) & 0xF)	/* Minor revision field*/
965 
966 /* Some parts define SVR[0:23] as the SOC version */
967 #define SVR_SOC_VER(svr) (((svr) >> 8) & 0xFFFFFF)	/* SOC Version fields */
968 
969 /* whether MPC8xxxE (i.e. has SEC) */
970 #if defined(CONFIG_MPC85xx)
971 #define IS_E_PROCESSOR(svr)	(svr & 0x80000)
972 #else
973 #if defined(CONFIG_MPC83xx)
974 #define IS_E_PROCESSOR(spridr)	(!(spridr & 0x00010000))
975 #endif
976 #endif
977 
978 /*
979  * SVR_SOC_VER() Version Values
980  */
981 
982 #define SVR_8533	0x803400
983 #define SVR_8533_E	0x803C00
984 #define SVR_8535	0x803701
985 #define SVR_8535_E	0x803F01
986 #define SVR_8536	0x803700
987 #define SVR_8536_E	0x803F00
988 #define SVR_8540	0x803000
989 #define SVR_8541	0x807200
990 #define SVR_8541_E	0x807A00
991 #define SVR_8543	0x803200
992 #define SVR_8543_E	0x803A00
993 #define SVR_8544	0x803401
994 #define SVR_8544_E	0x803C01
995 #define SVR_8545	0x803102
996 #define SVR_8545_E	0x803902
997 #define SVR_8547_E	0x803901
998 #define SVR_8548	0x803100
999 #define SVR_8548_E	0x803900
1000 #define SVR_8555	0x807100
1001 #define SVR_8555_E	0x807900
1002 #define SVR_8560	0x807000
1003 #define SVR_8567	0x807600
1004 #define SVR_8567_E	0x807E00
1005 #define SVR_8568	0x807500
1006 #define SVR_8568_E	0x807D00
1007 #define SVR_8569	0x808000
1008 #define SVR_8569_E	0x808800
1009 #define SVR_8572	0x80E000
1010 #define SVR_8572_E	0x80E800
1011 #define SVR_P2020	0x80E200
1012 #define SVR_P2020_E	0x80EA00
1013 
1014 #define SVR_8610	0x80A000
1015 #define SVR_8641	0x809000
1016 #define SVR_8641D	0x809001
1017 
1018 #define _GLOBAL(n)\
1019 	.globl n;\
1020 n:
1021 
1022 /* Macros for setting and retrieving special purpose registers */
1023 
1024 #define stringify(s)	tostring(s)
1025 #define tostring(s)	#s
1026 
1027 #define mfdcr(rn)	({unsigned int rval; \
1028 			asm volatile("mfdcr %0," stringify(rn) \
1029 				     : "=r" (rval)); rval;})
1030 #define mtdcr(rn, v)	asm volatile("mtdcr " stringify(rn) ",%0" : : "r" (v))
1031 
1032 #define mfmsr()		({unsigned int rval; \
1033 			asm volatile("mfmsr %0" : "=r" (rval)); rval;})
1034 #define mtmsr(v)	asm volatile("mtmsr %0" : : "r" (v))
1035 
1036 #define mfspr(rn)	({unsigned int rval; \
1037 			asm volatile("mfspr %0," stringify(rn) \
1038 				     : "=r" (rval)); rval;})
1039 #define mtspr(rn, v)	asm volatile("mtspr " stringify(rn) ",%0" : : "r" (v))
1040 
1041 #define tlbie(v)	asm volatile("tlbie %0 \n sync" : : "r" (v))
1042 
1043 /* Segment Registers */
1044 
1045 #define SR0	0
1046 #define SR1	1
1047 #define SR2	2
1048 #define SR3	3
1049 #define SR4	4
1050 #define SR5	5
1051 #define SR6	6
1052 #define SR7	7
1053 #define SR8	8
1054 #define SR9	9
1055 #define SR10	10
1056 #define SR11	11
1057 #define SR12	12
1058 #define SR13	13
1059 #define SR14	14
1060 #define SR15	15
1061 
1062 #ifndef __ASSEMBLY__
1063 
1064 struct cpu_type {
1065 	char name[15];
1066 	u32 soc_ver;
1067 };
1068 
1069 struct cpu_type *identify_cpu(u32 ver);
1070 
1071 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
1072 #define CPU_TYPE_ENTRY(n, v) \
1073 	{ .name = #n, .soc_ver = SVR_##v, }
1074 #else
1075 #if defined(CONFIG_MPC83xx)
1076 #define CPU_TYPE_ENTRY(x) {#x, SPR_##x}
1077 #endif
1078 #endif
1079 
1080 
1081 #ifndef CONFIG_MACH_SPECIFIC
1082 extern int _machine;
1083 extern int have_of;
1084 #endif /* CONFIG_MACH_SPECIFIC */
1085 
1086 /* what kind of prep workstation we are */
1087 extern int _prep_type;
1088 /*
1089  * This is used to identify the board type from a given PReP board
1090  * vendor. Board revision is also made available.
1091  */
1092 extern unsigned char ucSystemType;
1093 extern unsigned char ucBoardRev;
1094 extern unsigned char ucBoardRevMaj, ucBoardRevMin;
1095 
1096 struct task_struct;
1097 void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp);
1098 void release_thread(struct task_struct *);
1099 
1100 /*
1101  * Create a new kernel thread.
1102  */
1103 extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
1104 
1105 /*
1106  * Bus types
1107  */
1108 #define EISA_bus 0
1109 #define EISA_bus__is_a_macro /* for versions in ksyms.c */
1110 #define MCA_bus 0
1111 #define MCA_bus__is_a_macro /* for versions in ksyms.c */
1112 
1113 /* Lazy FPU handling on uni-processor */
1114 extern struct task_struct *last_task_used_math;
1115 extern struct task_struct *last_task_used_altivec;
1116 
1117 /*
1118  * this is the minimum allowable io space due to the location
1119  * of the io areas on prep (first one at 0x80000000) but
1120  * as soon as I get around to remapping the io areas with the BATs
1121  * to match the mac we can raise this. -- Cort
1122  */
1123 #define TASK_SIZE	(0x80000000UL)
1124 
1125 /* This decides where the kernel will search for a free chunk of vm
1126  * space during mmap's.
1127  */
1128 #define TASK_UNMAPPED_BASE	(TASK_SIZE / 8 * 3)
1129 
1130 typedef struct {
1131 	unsigned long seg;
1132 } mm_segment_t;
1133 
1134 struct thread_struct {
1135 	unsigned long	ksp;		/* Kernel stack pointer */
1136 	unsigned long	wchan;		/* Event task is sleeping on */
1137 	struct pt_regs	*regs;		/* Pointer to saved register state */
1138 	mm_segment_t	fs;		/* for get_fs() validation */
1139 	void		*pgdir;		/* root of page-table tree */
1140 	signed long	last_syscall;
1141 	double		fpr[32];	/* Complete floating point set */
1142 	unsigned long	fpscr_pad;	/* fpr ... fpscr must be contiguous */
1143 	unsigned long	fpscr;		/* Floating point status */
1144 #ifdef CONFIG_ALTIVEC
1145 	vector128	vr[32];		/* Complete AltiVec set */
1146 	vector128	vscr;		/* AltiVec status */
1147 	unsigned long	vrsave;
1148 #endif /* CONFIG_ALTIVEC */
1149 };
1150 
1151 #define INIT_SP		(sizeof(init_stack) + (unsigned long) &init_stack)
1152 
1153 #define INIT_THREAD  { \
1154 	INIT_SP, /* ksp */ \
1155 	0, /* wchan */ \
1156 	(struct pt_regs *)INIT_SP - 1, /* regs */ \
1157 	KERNEL_DS, /*fs*/ \
1158 	swapper_pg_dir, /* pgdir */ \
1159 	0, /* last_syscall */ \
1160 	{0}, 0, 0 \
1161 }
1162 
1163 /*
1164  * Note: the vm_start and vm_end fields here should *not*
1165  * be in kernel space.	(Could vm_end == vm_start perhaps?)
1166  */
1167 #define INIT_MMAP { &init_mm, 0, 0x1000, NULL, \
1168 		    PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, \
1169 		    1, NULL, NULL }
1170 
1171 /*
1172  * Return saved PC of a blocked thread. For now, this is the "user" PC
1173  */
thread_saved_pc(struct thread_struct * t)1174 static inline unsigned long thread_saved_pc(struct thread_struct *t)
1175 {
1176 	return (t->regs) ? t->regs->nip : 0;
1177 }
1178 
1179 #define copy_segments(tsk, mm)		do { } while (0)
1180 #define release_segments(mm)		do { } while (0)
1181 #define forget_segments()		do { } while (0)
1182 
1183 unsigned long get_wchan(struct task_struct *p);
1184 
1185 #define KSTK_EIP(tsk)  ((tsk)->thread.regs->nip)
1186 #define KSTK_ESP(tsk)  ((tsk)->thread.regs->gpr[1])
1187 
1188 /*
1189  * NOTE! The task struct and the stack go together
1190  */
1191 #define THREAD_SIZE (2*PAGE_SIZE)
1192 #define alloc_task_struct() \
1193 	((struct task_struct *) __get_free_pages(GFP_KERNEL,1))
1194 #define free_task_struct(p)	free_pages((unsigned long)(p),1)
1195 #define get_task_struct(tsk)	  atomic_inc(&mem_map[MAP_NR(tsk)].count)
1196 
1197 /* in process.c - for early bootup debug -- Cort */
1198 int ll_printk(const char *, ...);
1199 void ll_puts(const char *);
1200 
1201 #define init_task	(init_task_union.task)
1202 #define init_stack	(init_task_union.stack)
1203 
1204 /* In misc.c */
1205 void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
1206 
1207 #endif /* ndef ASSEMBLY*/
1208 
1209 #ifdef CONFIG_MACH_SPECIFIC
1210 #if defined(CONFIG_8xx)
1211 #define _machine _MACH_8xx
1212 #define have_of 0
1213 #elif defined(CONFIG_OAK)
1214 #define _machine _MACH_oak
1215 #define have_of	0
1216 #elif defined(CONFIG_WALNUT)
1217 #define _machine _MACH_walnut
1218 #define have_of 0
1219 #elif defined(CONFIG_APUS)
1220 #define _machine _MACH_apus
1221 #define have_of 0
1222 #elif defined(CONFIG_GEMINI)
1223 #define _machine _MACH_gemini
1224 #define have_of 0
1225 #elif defined(CONFIG_8260)
1226 #define _machine _MACH_8260
1227 #define have_of 0
1228 #elif defined(CONFIG_SANDPOINT)
1229 #define _machine _MACH_sandpoint
1230 #elif defined(CONFIG_HIDDEN_DRAGON)
1231 #define _machine _MACH_hidden_dragon
1232 #define have_of 0
1233 #else
1234 #error "Machine not defined correctly"
1235 #endif
1236 #endif /* CONFIG_MACH_SPECIFIC */
1237 
1238 #endif /* __ASM_PPC_PROCESSOR_H */
1239