]> git.ipfire.org Git - people/ms/u-boot.git/blame - include/asm-ppc/processor.h
Patch by Travis Sawyer, 30 Dec 2003:
[people/ms/u-boot.git] / include / asm-ppc / processor.h
CommitLineData
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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 <linux/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 */
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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) */
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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 */
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35#define MSR_DWE (1<<10) /* Debug Wait Enable (4xx) */
36#define MSR_UBLE (1<<10) /* BTB lock enable (e500) */
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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 */
42d1f039 42#define MSR_IS (1<<5) /* Book E Instruction space */
935ecca1 43#define MSR_DR (1<<4) /* Data Relocate */
42d1f039 44#define MSR_DS (1<<4) /* Book E Data space */
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45#define MSR_PE (1<<3) /* Protection Enable */
46#define MSR_PX (1<<2) /* Protection Exclusive Mode */
42d1f039 47#define MSR_PMM (1<<2) /* Performance monitor mark bit (e500) */
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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
42d1f039 56#ifndef CONFIG_E500
935ecca1 57#define MSR_KERNEL MSR_|MSR_IR|MSR_DR
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58#else
59#define MSR_KERNEL MSR_ME
60#endif
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61#define MSR_USER MSR_KERNEL|MSR_PR|MSR_EE
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#define SPRN_CDBCR 0x3D7 /* Cache Debug Control Register */
96#define SPRN_CTR 0x009 /* Count Register */
97#define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
42d1f039 98#ifndef CONFIG_BOOKE
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99#define SPRN_DAC1 0x3F6 /* Data Address Compare 1 */
100#define SPRN_DAC2 0x3F7 /* Data Address Compare 2 */
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101#else
102#define SPRN_DAC1 0x13C /* Book E Data Address Compare 1 */
103#define SPRN_DAC2 0x13D /* Book E Data Address Compare 2 */
104#endif /* CONFIG_BOOKE */
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105#define SPRN_DAR 0x013 /* Data Address Register */
106#define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */
107#define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */
108#define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */
109#define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */
110#define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */
111#define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */
112#define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */
113#define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper Register */
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114#define SPRN_DBAT4L 0x239 /* Data BAT 4 Lower Register */
115#define SPRN_DBAT4U 0x238 /* Data BAT 4 Upper Register */
116#define SPRN_DBAT5L 0x23B /* Data BAT 5 Lower Register */
117#define SPRN_DBAT5U 0x23A /* Data BAT 5 Upper Register */
118#define SPRN_DBAT6L 0x23D /* Data BAT 6 Lower Register */
119#define SPRN_DBAT6U 0x23C /* Data BAT 6 Upper Register */
120#define SPRN_DBAT7L 0x23F /* Data BAT 7 Lower Register */
121#define SPRN_DBAT7U 0x23E /* Data BAT 7 Lower Register */
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122#define SPRN_DBCR 0x3F2 /* Debug Control Regsiter */
123#define DBCR_EDM 0x80000000
124#define DBCR_IDM 0x40000000
125#define DBCR_RST(x) (((x) & 0x3) << 28)
126#define DBCR_RST_NONE 0
127#define DBCR_RST_CORE 1
128#define DBCR_RST_CHIP 2
129#define DBCR_RST_SYSTEM 3
130#define DBCR_IC 0x08000000 /* Instruction Completion Debug Evnt */
131#define DBCR_BT 0x04000000 /* Branch Taken Debug Event */
132#define DBCR_EDE 0x02000000 /* Exception Debug Event */
133#define DBCR_TDE 0x01000000 /* TRAP Debug Event */
134#define DBCR_FER 0x00F80000 /* First Events Remaining Mask */
135#define DBCR_FT 0x00040000 /* Freeze Timers on Debug Event */
136#define DBCR_IA1 0x00020000 /* Instr. Addr. Compare 1 Enable */
137#define DBCR_IA2 0x00010000 /* Instr. Addr. Compare 2 Enable */
138#define DBCR_D1R 0x00008000 /* Data Addr. Compare 1 Read Enable */
139#define DBCR_D1W 0x00004000 /* Data Addr. Compare 1 Write Enable */
140#define DBCR_D1S(x) (((x) & 0x3) << 12) /* Data Adrr. Compare 1 Size */
141#define DAC_BYTE 0
142#define DAC_HALF 1
143#define DAC_WORD 2
144#define DAC_QUAD 3
145#define DBCR_D2R 0x00000800 /* Data Addr. Compare 2 Read Enable */
146#define DBCR_D2W 0x00000400 /* Data Addr. Compare 2 Write Enable */
147#define DBCR_D2S(x) (((x) & 0x3) << 8) /* Data Addr. Compare 2 Size */
148#define DBCR_SBT 0x00000040 /* Second Branch Taken Debug Event */
149#define DBCR_SED 0x00000020 /* Second Exception Debug Event */
150#define DBCR_STD 0x00000010 /* Second Trap Debug Event */
151#define DBCR_SIA 0x00000008 /* Second IAC Enable */
152#define DBCR_SDA 0x00000004 /* Second DAC Enable */
153#define DBCR_JOI 0x00000002 /* JTAG Serial Outbound Int. Enable */
154#define DBCR_JII 0x00000001 /* JTAG Serial Inbound Int. Enable */
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155#ifndef CONFIG_BOOKE
156#define SPRN_DBCR0 0x3F2 /* Debug Control Register 0 */
157#else
158#define SPRN_DBCR0 0x134 /* Book E Debug Control Register 0 */
159#endif /* CONFIG_BOOKE */
160#ifndef CONFIG_BOOKE
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161#define SPRN_DBCR1 0x3BD /* Debug Control Register 1 */
162#define SPRN_DBSR 0x3F0 /* Debug Status Register */
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163#else
164#define SPRN_DBCR1 0x135 /* Book E Debug Control Register 1 */
165#define SPRN_DBSR 0x130 /* Book E Debug Status Register */
166#define DBSR_IC 0x08000000 /* Book E Instruction Completion */
167#define DBSR_TIE 0x01000000 /* Book E Trap Instruction Event */
168#endif /* CONFIG_BOOKE */
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169#define SPRN_DCCR 0x3FA /* Data Cache Cacheability Register */
170#define DCCR_NOCACHE 0 /* Noncacheable */
171#define DCCR_CACHE 1 /* Cacheable */
172#define SPRN_DCMP 0x3D1 /* Data TLB Compare Register */
173#define SPRN_DCWR 0x3BA /* Data Cache Write-thru Register */
174#define DCWR_COPY 0 /* Copy-back */
175#define DCWR_WRITE 1 /* Write-through */
42d1f039 176#ifndef CONFIG_BOOKE
935ecca1 177#define SPRN_DEAR 0x3D5 /* Data Error Address Register */
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178#else
179#define SPRN_DEAR 0x03D /* Book E Data Error Address Register */
180#endif /* CONFIG_BOOKE */
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181#define SPRN_DEC 0x016 /* Decrement Register */
182#define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */
183#define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
184#define SPRN_EAR 0x11A /* External Address Register */
42d1f039 185#ifndef CONFIG_BOOKE
935ecca1 186#define SPRN_ESR 0x3D4 /* Exception Syndrome Register */
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187#else
188#define SPRN_ESR 0x03E /* Book E Exception Syndrome Register */
189#endif /* CONFIG_BOOKE */
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190#define ESR_IMCP 0x80000000 /* Instr. Machine Check - Protection */
191#define ESR_IMCN 0x40000000 /* Instr. Machine Check - Non-config */
192#define ESR_IMCB 0x20000000 /* Instr. Machine Check - Bus error */
193#define ESR_IMCT 0x10000000 /* Instr. Machine Check - Timeout */
194#define ESR_PIL 0x08000000 /* Program Exception - Illegal */
195#define ESR_PPR 0x04000000 /* Program Exception - Priveleged */
196#define ESR_PTR 0x02000000 /* Program Exception - Trap */
197#define ESR_DST 0x00800000 /* Storage Exception - Data miss */
198#define ESR_DIZ 0x00400000 /* Storage Exception - Zone fault */
199#define SPRN_EVPR 0x3D6 /* Exception Vector Prefix Register */
200#define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */
201#define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */
202#define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
203#define HID0_EMCP (1<<31) /* Enable Machine Check pin */
204#define HID0_EBA (1<<29) /* Enable Bus Address Parity */
205#define HID0_EBD (1<<28) /* Enable Bus Data Parity */
206#define HID0_SBCLK (1<<27)
207#define HID0_EICE (1<<26)
208#define HID0_ECLK (1<<25)
209#define HID0_PAR (1<<24)
210#define HID0_DOZE (1<<23)
211#define HID0_NAP (1<<22)
212#define HID0_SLEEP (1<<21)
213#define HID0_DPM (1<<20)
214#define HID0_ICE (1<<15) /* Instruction Cache Enable */
215#define HID0_DCE (1<<14) /* Data Cache Enable */
216#define HID0_ILOCK (1<<13) /* Instruction Cache Lock */
217#define HID0_DLOCK (1<<12) /* Data Cache Lock */
218#define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */
219#define HID0_DCFI (1<<10) /* Data Cache Flash Invalidate */
220#define HID0_DCI HID0_DCFI
221#define HID0_SPD (1<<9) /* Speculative disable */
222#define HID0_SGE (1<<7) /* Store Gathering Enable */
223#define HID0_SIED HID_SGE /* Serial Instr. Execution [Disable] */
224#define HID0_DCFA (1<<6) /* Data Cache Flush Assist */
225#define HID0_BTIC (1<<5) /* Branch Target Instruction Cache Enable */
226#define HID0_ABE (1<<3) /* Address Broadcast Enable */
227#define HID0_BHTE (1<<2) /* Branch History Table Enable */
228#define HID0_BTCD (1<<1) /* Branch target cache disable */
229#define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
230#define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
42d1f039 231#ifndef CONFIG_BOOKE
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232#define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
233#define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
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234#else
235#define SPRN_IAC1 0x138 /* Book E Instruction Address Compare 1 */
236#define SPRN_IAC2 0x139 /* Book E Instruction Address Compare 2 */
237#endif /* CONFIG_BOOKE */
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238#define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */
239#define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */
240#define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */
241#define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */
242#define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */
243#define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */
244#define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */
245#define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */
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246#define SPRN_IBAT4L 0x231 /* Instruction BAT 4 Lower Register */
247#define SPRN_IBAT4U 0x230 /* Instruction BAT 4 Upper Register */
248#define SPRN_IBAT5L 0x233 /* Instruction BAT 5 Lower Register */
249#define SPRN_IBAT5U 0x232 /* Instruction BAT 5 Upper Register */
250#define SPRN_IBAT6L 0x235 /* Instruction BAT 6 Lower Register */
251#define SPRN_IBAT6U 0x234 /* Instruction BAT 6 Upper Register */
252#define SPRN_IBAT7L 0x237 /* Instruction BAT 7 Lower Register */
253#define SPRN_IBAT7U 0x236 /* Instruction BAT 7 Upper Register */
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254#define SPRN_ICCR 0x3FB /* Instruction Cache Cacheability Register */
255#define ICCR_NOCACHE 0 /* Noncacheable */
256#define ICCR_CACHE 1 /* Cacheable */
257#define SPRN_ICDBDR 0x3D3 /* Instruction Cache Debug Data Register */
258#define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */
259#define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */
260#define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */
261#define SPRN_IMMR 0x27E /* Internal Memory Map Register */
262#define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */
263#define SPRN_LR 0x008 /* Link Register */
264#define SPRN_MMCR0 0x3B8 /* Monitor Mode Control Register 0 */
265#define SPRN_MMCR1 0x3BC /* Monitor Mode Control Register 1 */
266#define SPRN_PBL1 0x3FC /* Protection Bound Lower 1 */
267#define SPRN_PBL2 0x3FE /* Protection Bound Lower 2 */
268#define SPRN_PBU1 0x3FD /* Protection Bound Upper 1 */
269#define SPRN_PBU2 0x3FF /* Protection Bound Upper 2 */
42d1f039 270#ifndef CONFIG_BOOKE
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271#define SPRN_PID 0x3B1 /* Process ID */
272#define SPRN_PIR 0x3FF /* Processor Identification Register */
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273#else
274#define SPRN_PID 0x030 /* Book E Process ID */
275#define SPRN_PIR 0x11E /* Book E Processor Identification Register */
276#endif /* CONFIG_BOOKE */
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277#define SPRN_PIT 0x3DB /* Programmable Interval Timer */
278#define SPRN_PMC1 0x3B9 /* Performance Counter Register 1 */
279#define SPRN_PMC2 0x3BA /* Performance Counter Register 2 */
280#define SPRN_PMC3 0x3BD /* Performance Counter Register 3 */
281#define SPRN_PMC4 0x3BE /* Performance Counter Register 4 */
282#define SPRN_PVR 0x11F /* Processor Version Register */
283#define SPRN_RPA 0x3D6 /* Required Physical Address Register */
284#define SPRN_SDA 0x3BF /* Sampled Data Address Register */
285#define SPRN_SDR1 0x019 /* MMU Hash Base Register */
286#define SPRN_SGR 0x3B9 /* Storage Guarded Register */
287#define SGR_NORMAL 0
288#define SGR_GUARDED 1
289#define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */
290#define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */
291#define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */
292#define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */
293#define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */
294#define SPRN_SRR0 0x01A /* Save/Restore Register 0 */
295#define SPRN_SRR1 0x01B /* Save/Restore Register 1 */
296#define SPRN_SRR2 0x3DE /* Save/Restore Register 2 */
297#define SPRN_SRR3 0x3DF /* Save/Restore Register 3 */
298#define SPRN_TBHI 0x3DC /* Time Base High */
299#define SPRN_TBHU 0x3CC /* Time Base High User-mode */
300#define SPRN_TBLO 0x3DD /* Time Base Low */
301#define SPRN_TBLU 0x3CD /* Time Base Low User-mode */
302#define SPRN_TBRL 0x10D /* Time Base Read Lower Register */
303#define SPRN_TBRU 0x10C /* Time Base Read Upper Register */
304#define SPRN_TBWL 0x11D /* Time Base Write Lower Register */
305#define SPRN_TBWU 0x11C /* Time Base Write Upper Register */
42d1f039 306#ifndef CONFIG_BOOKE
935ecca1 307#define SPRN_TCR 0x3DA /* Timer Control Register */
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308#else
309#define SPRN_TCR 0x154 /* Book E Timer Control Register */
310#endif /* CONFIG_BOOKE */
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311#define TCR_WP(x) (((x)&0x3)<<30) /* WDT Period */
312#define WP_2_17 0 /* 2^17 clocks */
313#define WP_2_21 1 /* 2^21 clocks */
314#define WP_2_25 2 /* 2^25 clocks */
315#define WP_2_29 3 /* 2^29 clocks */
316#define TCR_WRC(x) (((x)&0x3)<<28) /* WDT Reset Control */
317#define WRC_NONE 0 /* No reset will occur */
318#define WRC_CORE 1 /* Core reset will occur */
319#define WRC_CHIP 2 /* Chip reset will occur */
320#define WRC_SYSTEM 3 /* System reset will occur */
321#define TCR_WIE 0x08000000 /* WDT Interrupt Enable */
322#define TCR_PIE 0x04000000 /* PIT Interrupt Enable */
323#define TCR_FP(x) (((x)&0x3)<<24) /* FIT Period */
324#define FP_2_9 0 /* 2^9 clocks */
325#define FP_2_13 1 /* 2^13 clocks */
326#define FP_2_17 2 /* 2^17 clocks */
327#define FP_2_21 3 /* 2^21 clocks */
328#define TCR_FIE 0x00800000 /* FIT Interrupt Enable */
329#define TCR_ARE 0x00400000 /* Auto Reload Enable */
330#define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */
331#define THRM1_TIN (1<<0)
332#define THRM1_TIV (1<<1)
333#define THRM1_THRES (0x7f<<2)
334#define THRM1_TID (1<<29)
335#define THRM1_TIE (1<<30)
336#define THRM1_V (1<<31)
337#define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */
338#define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */
339#define THRM3_E (1<<31)
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340#define SPRN_TLBMISS 0x3D4 /* 980 7450 TLB Miss Register */
341#ifndef CONFIG_BOOKE
935ecca1 342#define SPRN_TSR 0x3D8 /* Timer Status Register */
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343#else
344#define SPRN_TSR 0x150 /* Book E Timer Status Register */
345#endif /* CONFIG_BOOKE */
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346#define TSR_ENW 0x80000000 /* Enable Next Watchdog */
347#define TSR_WIS 0x40000000 /* WDT Interrupt Status */
348#define TSR_WRS(x) (((x)&0x3)<<28) /* WDT Reset Status */
349#define WRS_NONE 0 /* No WDT reset occurred */
350#define WRS_CORE 1 /* WDT forced core reset */
351#define WRS_CHIP 2 /* WDT forced chip reset */
352#define WRS_SYSTEM 3 /* WDT forced system reset */
353#define TSR_PIS 0x08000000 /* PIT Interrupt Status */
354#define TSR_FIS 0x04000000 /* FIT Interrupt Status */
355#define SPRN_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */
356#define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */
357#define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */
358#define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */
359#define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */
360#define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */
361#define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
362#define SPRN_XER 0x001 /* Fixed Point Exception Register */
363#define SPRN_ZPR 0x3B0 /* Zone Protection Register */
364
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365/* Book E definitions */
366#define SPRN_DECAR 0x036 /* Decrementer Auto Reload Register */
367#define SPRN_CSRR0 0x03A /* Critical SRR0 */
368#define SPRN_CSRR1 0x03B /* Critical SRR0 */
369#define SPRN_IVPR 0x03F /* Interrupt Vector Prefix Register */
370#define SPRN_USPRG0 0x100 /* User Special Purpose Register General 0 */
371#define SPRN_SPRG4R 0x104 /* Special Purpose Register General 4 Read */
372#define SPRN_SPRG5R 0x105 /* Special Purpose Register General 5 Read */
373#define SPRN_SPRG6R 0x106 /* Special Purpose Register General 6 Read */
374#define SPRN_SPRG7R 0x107 /* Special Purpose Register General 7 Read */
375#define SPRN_SPRG4W 0x114 /* Special Purpose Register General 4 Write */
376#define SPRN_SPRG5W 0x115 /* Special Purpose Register General 5 Write */
377#define SPRN_SPRG6W 0x116 /* Special Purpose Register General 6 Write */
378#define SPRN_SPRG7W 0x117 /* Special Purpose Register General 7 Write */
379#define SPRN_DBCR2 0x136 /* Debug Control Register 2 */
380#define SPRN_IAC3 0x13A /* Instruction Address Compare 3 */
381#define SPRN_IAC4 0x13B /* Instruction Address Compare 4 */
382#define SPRN_DVC1 0x13E /* Data Value Compare Register 1 */
383#define SPRN_DVC2 0x13F /* Data Value Compare Register 2 */
384#define SPRN_IVOR0 0x190 /* Interrupt Vector Offset Register 0 */
385#define SPRN_IVOR1 0x191 /* Interrupt Vector Offset Register 1 */
386#define SPRN_IVOR2 0x192 /* Interrupt Vector Offset Register 2 */
387#define SPRN_IVOR3 0x193 /* Interrupt Vector Offset Register 3 */
388#define SPRN_IVOR4 0x194 /* Interrupt Vector Offset Register 4 */
389#define SPRN_IVOR5 0x195 /* Interrupt Vector Offset Register 5 */
390#define SPRN_IVOR6 0x196 /* Interrupt Vector Offset Register 6 */
391#define SPRN_IVOR7 0x197 /* Interrupt Vector Offset Register 7 */
392#define SPRN_IVOR8 0x198 /* Interrupt Vector Offset Register 8 */
393#define SPRN_IVOR9 0x199 /* Interrupt Vector Offset Register 9 */
394#define SPRN_IVOR10 0x19a /* Interrupt Vector Offset Register 10 */
395#define SPRN_IVOR11 0x19b /* Interrupt Vector Offset Register 11 */
396#define SPRN_IVOR12 0x19c /* Interrupt Vector Offset Register 12 */
397#define SPRN_IVOR13 0x19d /* Interrupt Vector Offset Register 13 */
398#define SPRN_IVOR14 0x19e /* Interrupt Vector Offset Register 14 */
399#define SPRN_IVOR15 0x19f /* Interrupt Vector Offset Register 15 */
400
401/* e500 definitions */
402#define SPRN_L1CSR0 0x3f2 /* L1 Cache Control and Status Register 0 */
403#define L1CSR0_DCFI 0x00000002 /* Data Cache Flash Invalidate */
404#define L1CSR0_DCE 0x00000001 /* Data Cache Enable */
405#define SPRN_L1CSR1 0x3f3 /* L1 Cache Control and Status Register 1 */
406#define L1CSR1_ICFI 0x00000002 /* Instruction Cache Flash Invalidate */
407#define L1CSR1_ICE 0x00000001 /* Instruction Cache Enable */
408
409#define SPRN_MMUCSR0 0x3f4 /* MMU control and status register 0 */
410#define SPRN_MAS0 0x270 /* MMU Assist Register 0 */
411#define SPRN_MAS1 0x271 /* MMU Assist Register 1 */
412#define SPRN_MAS2 0x272 /* MMU Assist Register 2 */
413#define SPRN_MAS3 0x273 /* MMU Assist Register 3 */
414#define SPRN_MAS4 0x274 /* MMU Assist Register 4 */
415#define SPRN_MAS5 0x275 /* MMU Assist Register 5 */
416#define SPRN_MAS6 0x276 /* MMU Assist Register 6 */
417
418#define SPRN_IVOR32 0x210 /* Interrupt Vector Offset Register 32 */
419#define SPRN_IVOR33 0x211 /* Interrupt Vector Offset Register 33 */
420#define SPRN_IVOR34 0x212 /* Interrupt Vector Offset Register 34 */
421#define SPRN_IVOR35 0x213 /* Interrupt Vector Offset Register 35 */
422#define SPRN_SPEFSCR 0x200 /* SPE & Embedded FP Status & Control */
423
424#define SPRN_MCSRR0 0x23a /* Machine Check Save and Restore Register 0 */
425#define SPRN_MCSRR1 0x23b /* Machine Check Save and Restore Register 1 */
426#define SPRN_BUCSR 0x3f5 /* Branch Control and Status Register */
427#define SPRN_BBEAR 0x201 /* Branch Buffer Entry Address Register */
428#define SPRN_BBTAR 0x202 /* Branch Buffer Target Address Register */
429#define SPRN_PID1 0x279 /* Process ID Register 1 */
430#define SPRN_PID2 0x27a /* Process ID Register 2 */
431#define SPRN_MCSR 0x23c /* Machine Check Syndrome register */
432#define ESR_ST 0x00800000 /* Store Operation */
433
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434/* Short-hand versions for a number of the above SPRNs */
435
436#define CTR SPRN_CTR /* Counter Register */
437#define DAR SPRN_DAR /* Data Address Register */
438#define DABR SPRN_DABR /* Data Address Breakpoint Register */
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439#define DAC1 SPRN_DAC1 /* Data Address Register 1 */
440#define DAC2 SPRN_DAC2 /* Data Address Register 2 */
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441#define DBAT0L SPRN_DBAT0L /* Data BAT 0 Lower Register */
442#define DBAT0U SPRN_DBAT0U /* Data BAT 0 Upper Register */
443#define DBAT1L SPRN_DBAT1L /* Data BAT 1 Lower Register */
444#define DBAT1U SPRN_DBAT1U /* Data BAT 1 Upper Register */
445#define DBAT2L SPRN_DBAT2L /* Data BAT 2 Lower Register */
446#define DBAT2U SPRN_DBAT2U /* Data BAT 2 Upper Register */
447#define DBAT3L SPRN_DBAT3L /* Data BAT 3 Lower Register */
448#define DBAT3U SPRN_DBAT3U /* Data BAT 3 Upper Register */
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449#define DBAT4L SPRN_DBAT4L /* Data BAT 4 Lower Register */
450#define DBAT4U SPRN_DBAT4U /* Data BAT 4 Upper Register */
451#define DBAT5L SPRN_DBAT5L /* Data BAT 5 Lower Register */
452#define DBAT5U SPRN_DBAT5U /* Data BAT 5 Upper Register */
453#define DBAT6L SPRN_DBAT6L /* Data BAT 6 Lower Register */
454#define DBAT6U SPRN_DBAT6U /* Data BAT 6 Upper Register */
455#define DBAT7L SPRN_DBAT7L /* Data BAT 7 Lower Register */
456#define DBAT7U SPRN_DBAT7U /* Data BAT 7 Upper Register */
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457#define DBCR0 SPRN_DBCR0 /* Debug Control Register 0 */
458#define DBCR1 SPRN_DBCR1 /* Debug Control Register 1 */
459#define DBSR SPRN_DBSR /* Debug Status Register */
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460#define DCMP SPRN_DCMP /* Data TLB Compare Register */
461#define DEC SPRN_DEC /* Decrement Register */
462#define DMISS SPRN_DMISS /* Data TLB Miss Register */
463#define DSISR SPRN_DSISR /* Data Storage Interrupt Status Register */
464#define EAR SPRN_EAR /* External Address Register */
42d1f039 465#define ESR SPRN_ESR /* Exception Syndrome Register */
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466#define HASH1 SPRN_HASH1 /* Primary Hash Address Register */
467#define HASH2 SPRN_HASH2 /* Secondary Hash Address Register */
468#define HID0 SPRN_HID0 /* Hardware Implementation Register 0 */
469#define HID1 SPRN_HID1 /* Hardware Implementation Register 1 */
470#define IABR SPRN_IABR /* Instruction Address Breakpoint Register */
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471#define IAC1 SPRN_IAC1 /* Instruction Address Register 1 */
472#define IAC2 SPRN_IAC2 /* Instruction Address Register 2 */
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473#define IBAT0L SPRN_IBAT0L /* Instruction BAT 0 Lower Register */
474#define IBAT0U SPRN_IBAT0U /* Instruction BAT 0 Upper Register */
475#define IBAT1L SPRN_IBAT1L /* Instruction BAT 1 Lower Register */
476#define IBAT1U SPRN_IBAT1U /* Instruction BAT 1 Upper Register */
477#define IBAT2L SPRN_IBAT2L /* Instruction BAT 2 Lower Register */
478#define IBAT2U SPRN_IBAT2U /* Instruction BAT 2 Upper Register */
479#define IBAT3L SPRN_IBAT3L /* Instruction BAT 3 Lower Register */
480#define IBAT3U SPRN_IBAT3U /* Instruction BAT 3 Upper Register */
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481#define IBAT4L SPRN_IBAT4L /* Instruction BAT 4 Lower Register */
482#define IBAT4U SPRN_IBAT4U /* Instruction BAT 4 Upper Register */
483#define IBAT5L SPRN_IBAT5L /* Instruction BAT 5 Lower Register */
484#define IBAT5U SPRN_IBAT5U /* Instruction BAT 5 Upper Register */
485#define IBAT6L SPRN_IBAT6L /* Instruction BAT 6 Lower Register */
486#define IBAT6U SPRN_IBAT6U /* Instruction BAT 6 Upper Register */
487#define IBAT7L SPRN_IBAT7L /* Instruction BAT 7 Lower Register */
488#define IBAT7U SPRN_IBAT7U /* Instruction BAT 7 Lower Register */
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489#define ICMP SPRN_ICMP /* Instruction TLB Compare Register */
490#define IMISS SPRN_IMISS /* Instruction TLB Miss Register */
491#define IMMR SPRN_IMMR /* PPC 860/821 Internal Memory Map Register */
492#define L2CR SPRN_L2CR /* PPC 750 L2 control register */
493#define LR SPRN_LR
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494#if defined(CONFIG_E500)
495#define PIR SPRN_PIR
496#endif
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497#define PVR SPRN_PVR /* Processor Version */
498#define RPA SPRN_RPA /* Required Physical Address Register */
499#define SDR1 SPRN_SDR1 /* MMU hash base register */
500#define SPR0 SPRN_SPRG0 /* Supervisor Private Registers */
501#define SPR1 SPRN_SPRG1
502#define SPR2 SPRN_SPRG2
503#define SPR3 SPRN_SPRG3
504#define SPRG0 SPRN_SPRG0
505#define SPRG1 SPRN_SPRG1
506#define SPRG2 SPRN_SPRG2
507#define SPRG3 SPRN_SPRG3
508#define SRR0 SPRN_SRR0 /* Save and Restore Register 0 */
509#define SRR1 SPRN_SRR1 /* Save and Restore Register 1 */
510#define TBRL SPRN_TBRL /* Time Base Read Lower Register */
511#define TBRU SPRN_TBRU /* Time Base Read Upper Register */
512#define TBWL SPRN_TBWL /* Time Base Write Lower Register */
513#define TBWU SPRN_TBWU /* Time Base Write Upper Register */
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514#define TCR SPRN_TCR /* Timer Control Register */
515#define TSR SPRN_TSR /* Timer Status Register */
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516#define ICTC 1019
517#define THRM1 SPRN_THRM1 /* Thermal Management Register 1 */
518#define THRM2 SPRN_THRM2 /* Thermal Management Register 2 */
519#define THRM3 SPRN_THRM3 /* Thermal Management Register 3 */
520#define XER SPRN_XER
521
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522#define DECAR SPRN_DECAR
523#define CSRR0 SPRN_CSRR0
524#define CSRR1 SPRN_CSRR1
525#define IVPR SPRN_IVPR
526#define USPRG0 SPRN_USPRG0
527#define SPRG4R SPRN_SPRG4R
528#define SPRG5R SPRN_SPRG5R
529#define SPRG6R SPRN_SPRG6R
530#define SPRG7R SPRN_SPRG7R
531#define SPRG4W SPRN_SPRG4W
532#define SPRG5W SPRN_SPRG5W
533#define SPRG6W SPRN_SPRG6W
534#define SPRG7W SPRN_SPRG7W
535#define DEAR SPRN_DEAR
536#define DBCR2 SPRN_DBCR2
537#define IAC3 SPRN_IAC3
538#define IAC4 SPRN_IAC4
539#define DVC1 SPRN_DVC1
540#define DVC2 SPRN_DVC2
541#define IVOR0 SPRN_IVOR0
542#define IVOR1 SPRN_IVOR1
543#define IVOR2 SPRN_IVOR2
544#define IVOR3 SPRN_IVOR3
545#define IVOR4 SPRN_IVOR4
546#define IVOR5 SPRN_IVOR5
547#define IVOR6 SPRN_IVOR6
548#define IVOR7 SPRN_IVOR7
549#define IVOR8 SPRN_IVOR8
550#define IVOR9 SPRN_IVOR9
551#define IVOR10 SPRN_IVOR10
552#define IVOR11 SPRN_IVOR11
553#define IVOR12 SPRN_IVOR12
554#define IVOR13 SPRN_IVOR13
555#define IVOR14 SPRN_IVOR14
556#define IVOR15 SPRN_IVOR15
557#define IVOR32 SPRN_IVOR32
558#define IVOR33 SPRN_IVOR33
559#define IVOR34 SPRN_IVOR34
560#define IVOR35 SPRN_IVOR35
561#define MCSRR0 SPRN_MCSRR0
562#define MCSRR1 SPRN_MCSRR1
563#define L1CSR0 SPRN_L1CSR0
564#define L1CSR1 SPRN_L1CSR1
565#define MCSR SPRN_MCSR
566#define MMUCSR0 SPRN_MMUCSR0
567#define BUCSR SPRN_BUCSR
568#define PID0 SPRN_PID
569#define PID1 SPRN_PID1
570#define PID2 SPRN_PID2
571#define MAS0 SPRN_MAS0
572#define MAS1 SPRN_MAS1
573#define MAS2 SPRN_MAS2
574#define MAS3 SPRN_MAS3
575#define MAS4 SPRN_MAS4
576#define MAS5 SPRN_MAS5
577#define MAS6 SPRN_MAS6
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578
579/* Device Control Registers */
580
581#define DCRN_BEAR 0x090 /* Bus Error Address Register */
582#define DCRN_BESR 0x091 /* Bus Error Syndrome Register */
583#define BESR_DSES 0x80000000 /* Data-Side Error Status */
584#define BESR_DMES 0x40000000 /* DMA Error Status */
585#define BESR_RWS 0x20000000 /* Read/Write Status */
586#define BESR_ETMASK 0x1C000000 /* Error Type */
587#define ET_PROT 0
588#define ET_PARITY 1
589#define ET_NCFG 2
590#define ET_BUSERR 4
591#define ET_BUSTO 6
592#define DCRN_DMACC0 0x0C4 /* DMA Chained Count Register 0 */
593#define DCRN_DMACC1 0x0CC /* DMA Chained Count Register 1 */
594#define DCRN_DMACC2 0x0D4 /* DMA Chained Count Register 2 */
595#define DCRN_DMACC3 0x0DC /* DMA Chained Count Register 3 */
596#define DCRN_DMACR0 0x0C0 /* DMA Channel Control Register 0 */
597#define DCRN_DMACR1 0x0C8 /* DMA Channel Control Register 1 */
598#define DCRN_DMACR2 0x0D0 /* DMA Channel Control Register 2 */
599#define DCRN_DMACR3 0x0D8 /* DMA Channel Control Register 3 */
600#define DCRN_DMACT0 0x0C1 /* DMA Count Register 0 */
601#define DCRN_DMACT1 0x0C9 /* DMA Count Register 1 */
602#define DCRN_DMACT2 0x0D1 /* DMA Count Register 2 */
603#define DCRN_DMACT3 0x0D9 /* DMA Count Register 3 */
604#define DCRN_DMADA0 0x0C2 /* DMA Destination Address Register 0 */
605#define DCRN_DMADA1 0x0CA /* DMA Destination Address Register 1 */
606#define DCRN_DMADA2 0x0D2 /* DMA Destination Address Register 2 */
607#define DCRN_DMADA3 0x0DA /* DMA Destination Address Register 3 */
608#define DCRN_DMASA0 0x0C3 /* DMA Source Address Register 0 */
609#define DCRN_DMASA1 0x0CB /* DMA Source Address Register 1 */
610#define DCRN_DMASA2 0x0D3 /* DMA Source Address Register 2 */
611#define DCRN_DMASA3 0x0DB /* DMA Source Address Register 3 */
612#define DCRN_DMASR 0x0E0 /* DMA Status Register */
613#define DCRN_EXIER 0x042 /* External Interrupt Enable Register */
614#define EXIER_CIE 0x80000000 /* Critical Interrupt Enable */
615#define EXIER_SRIE 0x08000000 /* Serial Port Rx Int. Enable */
616#define EXIER_STIE 0x04000000 /* Serial Port Tx Int. Enable */
617#define EXIER_JRIE 0x02000000 /* JTAG Serial Port Rx Int. Enable */
618#define EXIER_JTIE 0x01000000 /* JTAG Serial Port Tx Int. Enable */
619#define EXIER_D0IE 0x00800000 /* DMA Channel 0 Interrupt Enable */
620#define EXIER_D1IE 0x00400000 /* DMA Channel 1 Interrupt Enable */
621#define EXIER_D2IE 0x00200000 /* DMA Channel 2 Interrupt Enable */
622#define EXIER_D3IE 0x00100000 /* DMA Channel 3 Interrupt Enable */
623#define EXIER_E0IE 0x00000010 /* External Interrupt 0 Enable */
624#define EXIER_E1IE 0x00000008 /* External Interrupt 1 Enable */
625#define EXIER_E2IE 0x00000004 /* External Interrupt 2 Enable */
626#define EXIER_E3IE 0x00000002 /* External Interrupt 3 Enable */
627#define EXIER_E4IE 0x00000001 /* External Interrupt 4 Enable */
628#define DCRN_EXISR 0x040 /* External Interrupt Status Register */
629#define DCRN_IOCR 0x0A0 /* Input/Output Configuration Register */
630#define IOCR_E0TE 0x80000000
631#define IOCR_E0LP 0x40000000
632#define IOCR_E1TE 0x20000000
633#define IOCR_E1LP 0x10000000
634#define IOCR_E2TE 0x08000000
635#define IOCR_E2LP 0x04000000
636#define IOCR_E3TE 0x02000000
637#define IOCR_E3LP 0x01000000
638#define IOCR_E4TE 0x00800000
639#define IOCR_E4LP 0x00400000
640#define IOCR_EDT 0x00080000
641#define IOCR_SOR 0x00040000
642#define IOCR_EDO 0x00008000
643#define IOCR_2XC 0x00004000
644#define IOCR_ATC 0x00002000
645#define IOCR_SPD 0x00001000
646#define IOCR_BEM 0x00000800
647#define IOCR_PTD 0x00000400
648#define IOCR_ARE 0x00000080
649#define IOCR_DRC 0x00000020
650#define IOCR_RDM(x) (((x) & 0x3) << 3)
651#define IOCR_TCS 0x00000004
652#define IOCR_SCS 0x00000002
653#define IOCR_SPC 0x00000001
654
655
656/* Processor Version Register */
657
658/* Processor Version Register (PVR) field extraction */
659
660#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
661#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
662
663/*
664 * IBM has further subdivided the standard PowerPC 16-bit version and
665 * revision subfields of the PVR for the PowerPC 403s into the following:
666 */
667
668#define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */
669#define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */
670#define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */
671#define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */
672#define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */
673#define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */
674
675/* Processor Version Numbers */
676
677#define PVR_403GA 0x00200000
678#define PVR_403GB 0x00200100
679#define PVR_403GC 0x00200200
680#define PVR_403GCX 0x00201400
681#define PVR_405GP 0x40110000
682#define PVR_405GP_RB 0x40110040
683#define PVR_405GP_RC 0x40110082
684#define PVR_405GP_RD 0x401100C4
685#define PVR_405GP_RE 0x40110145 /* same as pc405cr rev c */
686#define PVR_405CR_RA 0x40110041
687#define PVR_405CR_RB 0x401100C5
688#define PVR_405CR_RC 0x40110145 /* same as pc405gp rev e */
12f34241 689#define PVR_405EP_RA 0x51210950
baa3d528 690#define PVR_405GPR_RB 0x50910951
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691#define PVR_440GP_RB 0x40120440
692#define PVR_440GP_RC 0x40120481
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693#define PVR_440GX_RA 0x51B21850
694#define PVR_440GX_RB 0x51B21851
b867d705 695#define PVR_405EP_RB 0x51210950
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696#define PVR_601 0x00010000
697#define PVR_602 0x00050000
698#define PVR_603 0x00030000
699#define PVR_603e 0x00060000
700#define PVR_603ev 0x00070000
701#define PVR_603r 0x00071000
702#define PVR_604 0x00040000
703#define PVR_604e 0x00090000
704#define PVR_604r 0x000A0000
705#define PVR_620 0x00140000
706#define PVR_740 0x00080000
707#define PVR_750 PVR_740
708#define PVR_740P 0x10080000
709#define PVR_750P PVR_740P
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710#define PVR_7400 0x000C0000
711#define PVR_7410 0x800C0000
712#define PVR_7450 0x80000000
713#define PVR_8540 0x80200010
714#define PVR_8560 0x80200010
715
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716/*
717 * For the 8xx processors, all of them report the same PVR family for
718 * the PowerPC core. The various versions of these processors must be
719 * differentiated by the version number in the Communication Processor
720 * Module (CPM).
721 */
722#define PVR_821 0x00500000
723#define PVR_823 PVR_821
724#define PVR_850 PVR_821
725#define PVR_860 PVR_821
726#define PVR_7400 0x000C0000
727#define PVR_8240 0x00810100
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729/*
730 * PowerQUICC II family processors report different PVR values depending
731 * on silicon process (HiP3, HiP4, HiP7, etc.)
732 */
733#define PVR_8260 PVR_8240
734#define PVR_8260_HIP3 0x00810101
735#define PVR_8260_HIP4 0x80811014
736#define PVR_8260_HIP7 0x80822011
5779d8d9 737#define PVR_8260_HIP7R1 0x80822013
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738
739/* I am just adding a single entry for 8260 boards. I think we may be
740 * able to combine mbx, fads, rpxlite, bseip, and classic into a single
741 * generic 8xx as well. The boards containing these processors are either
742 * identical at the processor level (due to the high integration) or so
743 * wildly different that testing _machine at run time is best replaced by
744 * conditional compilation by board type (found in their respective .h file).
745 * -- Dan
746 */
747#define _MACH_prep 0x00000001
748#define _MACH_Pmac 0x00000002 /* pmac or pmac clone (non-chrp) */
749#define _MACH_chrp 0x00000004 /* chrp machine */
750#define _MACH_mbx 0x00000008 /* Motorola MBX board */
751#define _MACH_apus 0x00000010 /* amiga with phase5 powerup */
752#define _MACH_fads 0x00000020 /* Motorola FADS board */
753#define _MACH_rpxlite 0x00000040 /* RPCG RPX-Lite 8xx board */
754#define _MACH_bseip 0x00000080 /* Bright Star Engineering ip-Engine */
755#define _MACH_yk 0x00000100 /* Motorola Yellowknife */
756#define _MACH_gemini 0x00000200 /* Synergy Microsystems gemini board */
757#define _MACH_classic 0x00000400 /* RPCG RPX-Classic 8xx board */
758#define _MACH_oak 0x00000800 /* IBM "Oak" 403 eval. board */
759#define _MACH_walnut 0x00001000 /* IBM "Walnut" 405GP eval. board */
760#define _MACH_8260 0x00002000 /* Generic 8260 */
761#define _MACH_sandpoint 0x00004000 /* Motorola SPS Processor eval board */
762#define _MACH_tqm860 0x00008000 /* TQM860/L */
763#define _MACH_tqm8xxL 0x00010000 /* TQM8xxL */
764
765
766/* see residual.h for these */
767#define _PREP_Motorola 0x01 /* motorola prep */
768#define _PREP_Firm 0x02 /* firmworks prep */
769#define _PREP_IBM 0x00 /* ibm prep */
770#define _PREP_Bull 0x03 /* bull prep */
771#define _PREP_Radstone 0x04 /* Radstone Technology PLC prep */
772
773/*
774 * Radstone board types
775 */
776#define RS_SYS_TYPE_PPC1 0
777#define RS_SYS_TYPE_PPC2 1
778#define RS_SYS_TYPE_PPC1a 2
779#define RS_SYS_TYPE_PPC2a 3
780#define RS_SYS_TYPE_PPC4 4
781#define RS_SYS_TYPE_PPC4a 5
782#define RS_SYS_TYPE_PPC2ep 6
783
784/* these are arbitrary */
785#define _CHRP_Motorola 0x04 /* motorola chrp, the cobra */
786#define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */
787
788#define _GLOBAL(n)\
789 .globl n;\
790n:
791
792/* Macros for setting and retrieving special purpose registers */
793
794#define stringify(s) tostring(s)
795#define tostring(s) #s
796
797#define mfdcr(rn) ({unsigned int rval; \
798 asm volatile("mfdcr %0," stringify(rn) \
799 : "=r" (rval)); rval;})
800#define mtdcr(rn, v) asm volatile("mtdcr " stringify(rn) ",%0" : : "r" (v))
801
802#define mfmsr() ({unsigned int rval; \
803 asm volatile("mfmsr %0" : "=r" (rval)); rval;})
804#define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v))
805
806#define mfspr(rn) ({unsigned int rval; \
807 asm volatile("mfspr %0," stringify(rn) \
808 : "=r" (rval)); rval;})
809#define mtspr(rn, v) asm volatile("mtspr " stringify(rn) ",%0" : : "r" (v))
810
811#define tlbie(v) asm volatile("tlbie %0 \n sync" : : "r" (v))
812
813/* Segment Registers */
814
815#define SR0 0
816#define SR1 1
817#define SR2 2
818#define SR3 3
819#define SR4 4
820#define SR5 5
821#define SR6 6
822#define SR7 7
823#define SR8 8
824#define SR9 9
825#define SR10 10
826#define SR11 11
827#define SR12 12
828#define SR13 13
829#define SR14 14
830#define SR15 15
831
832#ifndef __ASSEMBLY__
833#ifndef CONFIG_MACH_SPECIFIC
834extern int _machine;
835extern int have_of;
836#endif /* CONFIG_MACH_SPECIFIC */
837
838/* what kind of prep workstation we are */
839extern int _prep_type;
840/*
841 * This is used to identify the board type from a given PReP board
842 * vendor. Board revision is also made available.
843 */
844extern unsigned char ucSystemType;
845extern unsigned char ucBoardRev;
846extern unsigned char ucBoardRevMaj, ucBoardRevMin;
847
848struct task_struct;
849void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp);
850void release_thread(struct task_struct *);
851
852/*
853 * Create a new kernel thread.
854 */
855extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
856
857/*
858 * Bus types
859 */
860#define EISA_bus 0
861#define EISA_bus__is_a_macro /* for versions in ksyms.c */
862#define MCA_bus 0
863#define MCA_bus__is_a_macro /* for versions in ksyms.c */
864
865/* Lazy FPU handling on uni-processor */
866extern struct task_struct *last_task_used_math;
867extern struct task_struct *last_task_used_altivec;
868
869/*
870 * this is the minimum allowable io space due to the location
871 * of the io areas on prep (first one at 0x80000000) but
872 * as soon as I get around to remapping the io areas with the BATs
873 * to match the mac we can raise this. -- Cort
874 */
875#define TASK_SIZE (0x80000000UL)
876
877/* This decides where the kernel will search for a free chunk of vm
878 * space during mmap's.
879 */
880#define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3)
881
882typedef struct {
883 unsigned long seg;
884} mm_segment_t;
885
886struct thread_struct {
887 unsigned long ksp; /* Kernel stack pointer */
888 unsigned long wchan; /* Event task is sleeping on */
889 struct pt_regs *regs; /* Pointer to saved register state */
890 mm_segment_t fs; /* for get_fs() validation */
891 void *pgdir; /* root of page-table tree */
892 signed long last_syscall;
893 double fpr[32]; /* Complete floating point set */
894 unsigned long fpscr_pad; /* fpr ... fpscr must be contiguous */
895 unsigned long fpscr; /* Floating point status */
896#ifdef CONFIG_ALTIVEC
897 vector128 vr[32]; /* Complete AltiVec set */
898 vector128 vscr; /* AltiVec status */
899 unsigned long vrsave;
900#endif /* CONFIG_ALTIVEC */
901};
902
903#define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack)
904
905#define INIT_THREAD { \
906 INIT_SP, /* ksp */ \
907 0, /* wchan */ \
908 (struct pt_regs *)INIT_SP - 1, /* regs */ \
909 KERNEL_DS, /*fs*/ \
910 swapper_pg_dir, /* pgdir */ \
911 0, /* last_syscall */ \
912 {0}, 0, 0 \
913}
914
915/*
916 * Note: the vm_start and vm_end fields here should *not*
917 * be in kernel space. (Could vm_end == vm_start perhaps?)
918 */
919#define INIT_MMAP { &init_mm, 0, 0x1000, NULL, \
920 PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, \
921 1, NULL, NULL }
922
923/*
924 * Return saved PC of a blocked thread. For now, this is the "user" PC
925 */
926static inline unsigned long thread_saved_pc(struct thread_struct *t)
927{
928 return (t->regs) ? t->regs->nip : 0;
929}
930
931#define copy_segments(tsk, mm) do { } while (0)
932#define release_segments(mm) do { } while (0)
933#define forget_segments() do { } while (0)
934
935unsigned long get_wchan(struct task_struct *p);
936
937#define KSTK_EIP(tsk) ((tsk)->thread.regs->nip)
938#define KSTK_ESP(tsk) ((tsk)->thread.regs->gpr[1])
939
940/*
941 * NOTE! The task struct and the stack go together
942 */
943#define THREAD_SIZE (2*PAGE_SIZE)
944#define alloc_task_struct() \
945 ((struct task_struct *) __get_free_pages(GFP_KERNEL,1))
946#define free_task_struct(p) free_pages((unsigned long)(p),1)
947#define get_task_struct(tsk) atomic_inc(&mem_map[MAP_NR(tsk)].count)
948
949/* in process.c - for early bootup debug -- Cort */
950int ll_printk(const char *, ...);
951void ll_puts(const char *);
952
953#define init_task (init_task_union.task)
954#define init_stack (init_task_union.stack)
955
956/* In misc.c */
957void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
958
959#endif /* ndef ASSEMBLY*/
960
961#ifdef CONFIG_MACH_SPECIFIC
962#if defined(CONFIG_8xx)
963#define _machine _MACH_8xx
964#define have_of 0
965#elif defined(CONFIG_OAK)
966#define _machine _MACH_oak
967#define have_of 0
968#elif defined(CONFIG_WALNUT)
969#define _machine _MACH_walnut
970#define have_of 0
971#elif defined(CONFIG_APUS)
972#define _machine _MACH_apus
973#define have_of 0
974#elif defined(CONFIG_GEMINI)
975#define _machine _MACH_gemini
976#define have_of 0
977#elif defined(CONFIG_8260)
978#define _machine _MACH_8260
979#define have_of 0
980#elif defined(CONFIG_SANDPOINT)
981#define _machine _MACH_sandpoint
982#define have_of 0
983#else
984#error "Machine not defined correctly"
985#endif
986#endif /* CONFIG_MACH_SPECIFIC */
987
988#endif /* __ASM_PPC_PROCESSOR_H */