Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Contains the definition of registers common to all PowerPC variants.
3 * If a register definition has been changed in a different PowerPC
4 * variant, we will case it in #ifndef XXX ... #endif, and have the
5 * number used in the Programming Environments Manual For 32-Bit
6 * Implementations of the PowerPC Architecture (a.k.a. Green Book) here.
7 */
8
9#ifdef __KERNEL__
10#ifndef __ASM_PPC_REGS_H__
11#define __ASM_PPC_REGS_H__
12
13#include <linux/stringify.h>
14
15/* Pickup Book E specific registers. */
16#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
17#include <asm/reg_booke.h>
18#endif
19
20/* Machine State Register (MSR) Fields */
21#define MSR_SF (1<<63)
22#define MSR_ISF (1<<61)
23#define MSR_VEC (1<<25) /* Enable AltiVec */
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_BE (1<<9) /* Branch Trace */
36#define MSR_DE (1<<9) /* Debug Exception Enable */
37#define MSR_FE1 (1<<8) /* Floating Exception mode 1 */
38#define MSR_IP (1<<6) /* Exception prefix 0x000/0xFFF */
39#define MSR_IR (1<<5) /* Instruction Relocate */
40#define MSR_DR (1<<4) /* Data Relocate */
41#define MSR_PE (1<<3) /* Protection Enable */
42#define MSR_PX (1<<2) /* Protection Exclusive Mode */
43#define MSR_RI (1<<1) /* Recoverable Exception */
44#define MSR_LE (1<<0) /* Little Endian */
45
46/* Default MSR for kernel mode. */
47#ifdef CONFIG_APUS_FAST_EXCEPT
48#define MSR_KERNEL (MSR_ME|MSR_IP|MSR_RI|MSR_IR|MSR_DR)
49#endif
50
51#ifndef MSR_KERNEL
52#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR)
53#endif
54
55#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
56
57/* Floating Point Status and Control Register (FPSCR) Fields */
58#define FPSCR_FX 0x80000000 /* FPU exception summary */
59#define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */
60#define FPSCR_VX 0x20000000 /* Invalid operation summary */
61#define FPSCR_OX 0x10000000 /* Overflow exception summary */
62#define FPSCR_UX 0x08000000 /* Underflow exception summary */
63#define FPSCR_ZX 0x04000000 /* Zero-devide exception summary */
64#define FPSCR_XX 0x02000000 /* Inexact exception summary */
65#define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */
66#define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */
67#define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */
68#define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */
69#define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */
70#define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */
71#define FPSCR_FR 0x00040000 /* Fraction rounded */
72#define FPSCR_FI 0x00020000 /* Fraction inexact */
73#define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */
74#define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */
75#define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */
76#define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */
77#define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */
78#define FPSCR_VE 0x00000080 /* Invalid op exception enable */
79#define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */
80#define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */
81#define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */
82#define FPSCR_XE 0x00000008 /* FP inexact exception enable */
83#define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */
84#define FPSCR_RN 0x00000003 /* FPU rounding control */
85
86/* Special Purpose Registers (SPRNs)*/
87#define SPRN_CTR 0x009 /* Count Register */
88#define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
89#define SPRN_DAR 0x013 /* Data Address Register */
90#define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
91#define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
92#define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */
93#define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */
94#define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */
95#define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */
96#define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */
97#define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */
98#define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */
99#define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */
100#define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */
101#define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */
102#define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper Register */
103#define SPRN_DBAT4L 0x239 /* Data BAT 4 Lower Register */
104#define SPRN_DBAT4U 0x238 /* Data BAT 4 Upper Register */
105#define SPRN_DBAT5L 0x23B /* Data BAT 5 Lower Register */
106#define SPRN_DBAT5U 0x23A /* Data BAT 5 Upper Register */
107#define SPRN_DBAT6L 0x23D /* Data BAT 6 Lower Register */
108#define SPRN_DBAT6U 0x23C /* Data BAT 6 Upper Register */
109#define SPRN_DBAT7L 0x23F /* Data BAT 7 Lower Register */
110#define SPRN_DBAT7U 0x23E /* Data BAT 7 Upper Register */
111
112#define SPRN_DEC 0x016 /* Decrement Register */
113#define SPRN_DER 0x095 /* Debug Enable Regsiter */
114#define DER_RSTE 0x40000000 /* Reset Interrupt */
115#define DER_CHSTPE 0x20000000 /* Check Stop */
116#define DER_MCIE 0x10000000 /* Machine Check Interrupt */
117#define DER_EXTIE 0x02000000 /* External Interrupt */
118#define DER_ALIE 0x01000000 /* Alignment Interrupt */
119#define DER_PRIE 0x00800000 /* Program Interrupt */
120#define DER_FPUVIE 0x00400000 /* FP Unavailable Interrupt */
121#define DER_DECIE 0x00200000 /* Decrementer Interrupt */
122#define DER_SYSIE 0x00040000 /* System Call Interrupt */
123#define DER_TRE 0x00020000 /* Trace Interrupt */
124#define DER_SEIE 0x00004000 /* FP SW Emulation Interrupt */
125#define DER_ITLBMSE 0x00002000 /* Imp. Spec. Instruction TLB Miss */
126#define DER_ITLBERE 0x00001000 /* Imp. Spec. Instruction TLB Error */
127#define DER_DTLBMSE 0x00000800 /* Imp. Spec. Data TLB Miss */
128#define DER_DTLBERE 0x00000400 /* Imp. Spec. Data TLB Error */
129#define DER_LBRKE 0x00000008 /* Load/Store Breakpoint Interrupt */
130#define DER_IBRKE 0x00000004 /* Instruction Breakpoint Interrupt */
131#define DER_EBRKE 0x00000002 /* External Breakpoint Interrupt */
132#define DER_DPIE 0x00000001 /* Dev. Port Nonmaskable Request */
133#define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */
134#define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
135#define SPRN_EAR 0x11A /* External Address Register */
136#define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */
137#define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */
138#define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
139#define HID0_EMCP (1<<31) /* Enable Machine Check pin */
140#define HID0_EBA (1<<29) /* Enable Bus Address Parity */
141#define HID0_EBD (1<<28) /* Enable Bus Data Parity */
142#define HID0_SBCLK (1<<27)
143#define HID0_EICE (1<<26)
144#define HID0_TBEN (1<<26) /* Timebase enable - 745x */
145#define HID0_ECLK (1<<25)
146#define HID0_PAR (1<<24)
147#define HID0_STEN (1<<24) /* Software table search enable - 745x */
148#define HID0_HIGH_BAT (1<<23) /* Enable high BATs - 7455 */
149#define HID0_DOZE (1<<23)
150#define HID0_NAP (1<<22)
151#define HID0_SLEEP (1<<21)
152#define HID0_DPM (1<<20)
153#define HID0_BHTCLR (1<<18) /* Clear branch history table - 7450 */
154#define HID0_XAEN (1<<17) /* Extended addressing enable - 7450 */
155#define HID0_NHR (1<<16) /* Not hard reset (software bit-7450)*/
156#define HID0_ICE (1<<15) /* Instruction Cache Enable */
157#define HID0_DCE (1<<14) /* Data Cache Enable */
158#define HID0_ILOCK (1<<13) /* Instruction Cache Lock */
159#define HID0_DLOCK (1<<12) /* Data Cache Lock */
160#define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */
161#define HID0_DCI (1<<10) /* Data Cache Invalidate */
162#define HID0_SPD (1<<9) /* Speculative disable */
163#define HID0_DAPUEN (1<<8) /* Debug APU enable */
164#define HID0_SGE (1<<7) /* Store Gathering Enable */
165#define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */
166#define HID0_DFCA (1<<6) /* Data Cache Flush Assist */
167#define HID0_LRSTK (1<<4) /* Link register stack - 745x */
168#define HID0_BTIC (1<<5) /* Branch Target Instr Cache Enable */
169#define HID0_ABE (1<<3) /* Address Broadcast Enable */
170#define HID0_FOLD (1<<3) /* Branch Folding enable - 745x */
171#define HID0_BHTE (1<<2) /* Branch History Table Enable */
172#define HID0_BTCD (1<<1) /* Branch target cache disable */
173#define HID0_NOPDST (1<<1) /* No-op dst, dstt, etc. instr. */
174#define HID0_NOPTI (1<<0) /* No-op dcbt and dcbst instr. */
175
176#define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
177#define HID1_EMCP (1<<31) /* 7450 Machine Check Pin Enable */
178#define HID1_DFS (1<<22) /* 7447A Dynamic Frequency Scaling */
179#define HID1_PC0 (1<<16) /* 7450 PLL_CFG[0] */
180#define HID1_PC1 (1<<15) /* 7450 PLL_CFG[1] */
181#define HID1_PC2 (1<<14) /* 7450 PLL_CFG[2] */
182#define HID1_PC3 (1<<13) /* 7450 PLL_CFG[3] */
183#define HID1_SYNCBE (1<<11) /* 7450 ABE for sync, eieio */
184#define HID1_ABE (1<<10) /* 7450 Address Broadcast Enable */
185#define HID1_PS (1<<16) /* 750FX PLL selection */
186#define SPRN_HID2 0x3F8 /* Hardware Implementation Register 2 */
187#define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
188#define SPRN_HID4 0x3F4 /* 970 HID4 */
189#define SPRN_HID5 0x3F6 /* 970 HID5 */
190#if !defined(SPRN_IAC1) && !defined(SPRN_IAC2)
191#define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
192#define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
193#endif
194#define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */
195#define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */
196#define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */
197#define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */
198#define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */
199#define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */
200#define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */
201#define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */
202#define SPRN_IBAT4L 0x231 /* Instruction BAT 4 Lower Register */
203#define SPRN_IBAT4U 0x230 /* Instruction BAT 4 Upper Register */
204#define SPRN_IBAT5L 0x233 /* Instruction BAT 5 Lower Register */
205#define SPRN_IBAT5U 0x232 /* Instruction BAT 5 Upper Register */
206#define SPRN_IBAT6L 0x235 /* Instruction BAT 6 Lower Register */
207#define SPRN_IBAT6U 0x234 /* Instruction BAT 6 Upper Register */
208#define SPRN_IBAT7L 0x237 /* Instruction BAT 7 Lower Register */
209#define SPRN_IBAT7U 0x236 /* Instruction BAT 7 Upper Register */
210#define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */
211#define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */
212#define SPRN_ICTRL 0x3F3 /* 1011 7450 icache and interrupt ctrl */
213#define ICTRL_EICE 0x08000000 /* enable icache parity errs */
214#define ICTRL_EDC 0x04000000 /* enable dcache parity errs */
215#define ICTRL_EICP 0x00000100 /* enable icache par. check */
216#define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */
217#define SPRN_IMMR 0x27E /* Internal Memory Map Register */
218#define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */
219#define SPRN_L2CR2 0x3f8
220#define L2CR_L2E 0x80000000 /* L2 enable */
221#define L2CR_L2PE 0x40000000 /* L2 parity enable */
222#define L2CR_L2SIZ_MASK 0x30000000 /* L2 size mask */
223#define L2CR_L2SIZ_256KB 0x10000000 /* L2 size 256KB */
224#define L2CR_L2SIZ_512KB 0x20000000 /* L2 size 512KB */
225#define L2CR_L2SIZ_1MB 0x30000000 /* L2 size 1MB */
226#define L2CR_L2CLK_MASK 0x0e000000 /* L2 clock mask */
227#define L2CR_L2CLK_DISABLED 0x00000000 /* L2 clock disabled */
228#define L2CR_L2CLK_DIV1 0x02000000 /* L2 clock / 1 */
229#define L2CR_L2CLK_DIV1_5 0x04000000 /* L2 clock / 1.5 */
230#define L2CR_L2CLK_DIV2 0x08000000 /* L2 clock / 2 */
231#define L2CR_L2CLK_DIV2_5 0x0a000000 /* L2 clock / 2.5 */
232#define L2CR_L2CLK_DIV3 0x0c000000 /* L2 clock / 3 */
233#define L2CR_L2RAM_MASK 0x01800000 /* L2 RAM type mask */
234#define L2CR_L2RAM_FLOW 0x00000000 /* L2 RAM flow through */
235#define L2CR_L2RAM_PIPE 0x01000000 /* L2 RAM pipelined */
236#define L2CR_L2RAM_PIPE_LW 0x01800000 /* L2 RAM pipelined latewr */
237#define L2CR_L2DO 0x00400000 /* L2 data only */
238#define L2CR_L2I 0x00200000 /* L2 global invalidate */
239#define L2CR_L2CTL 0x00100000 /* L2 RAM control */
240#define L2CR_L2WT 0x00080000 /* L2 write-through */
241#define L2CR_L2TS 0x00040000 /* L2 test support */
242#define L2CR_L2OH_MASK 0x00030000 /* L2 output hold mask */
243#define L2CR_L2OH_0_5 0x00000000 /* L2 output hold 0.5 ns */
244#define L2CR_L2OH_1_0 0x00010000 /* L2 output hold 1.0 ns */
245#define L2CR_L2SL 0x00008000 /* L2 DLL slow */
246#define L2CR_L2DF 0x00004000 /* L2 differential clock */
247#define L2CR_L2BYP 0x00002000 /* L2 DLL bypass */
248#define L2CR_L2IP 0x00000001 /* L2 GI in progress */
249#define L2CR_L2IO_745x 0x00100000 /* L2 instr. only (745x) */
250#define L2CR_L2DO_745x 0x00010000 /* L2 data only (745x) */
251#define L2CR_L2REP_745x 0x00001000 /* L2 repl. algorithm (745x) */
252#define L2CR_L2HWF_745x 0x00000800 /* L2 hardware flush (745x) */
253#define SPRN_L3CR 0x3FA /* Level 3 Cache Control Regsiter */
254#define L3CR_L3E 0x80000000 /* L3 enable */
255#define L3CR_L3PE 0x40000000 /* L3 data parity enable */
256#define L3CR_L3APE 0x20000000 /* L3 addr parity enable */
257#define L3CR_L3SIZ 0x10000000 /* L3 size */
258#define L3CR_L3CLKEN 0x08000000 /* L3 clock enable */
259#define L3CR_L3RES 0x04000000 /* L3 special reserved bit */
260#define L3CR_L3CLKDIV 0x03800000 /* L3 clock divisor */
261#define L3CR_L3IO 0x00400000 /* L3 instruction only */
262#define L3CR_L3SPO 0x00040000 /* L3 sample point override */
263#define L3CR_L3CKSP 0x00030000 /* L3 clock sample point */
264#define L3CR_L3PSP 0x0000e000 /* L3 P-clock sample point */
265#define L3CR_L3REP 0x00001000 /* L3 replacement algorithm */
266#define L3CR_L3HWF 0x00000800 /* L3 hardware flush */
267#define L3CR_L3I 0x00000400 /* L3 global invalidate */
268#define L3CR_L3RT 0x00000300 /* L3 SRAM type */
269#define L3CR_L3NIRCA 0x00000080 /* L3 non-integer ratio clock adj. */
270#define L3CR_L3DO 0x00000040 /* L3 data only mode */
271#define L3CR_PMEN 0x00000004 /* L3 private memory enable */
272#define L3CR_PMSIZ 0x00000001 /* L3 private memory size */
273#define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */
274#define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */
275#define SPRN_LDSTCR 0x3f8 /* Load/Store control register */
276#define SPRN_LDSTDB 0x3f4 /* */
277#define SPRN_LR 0x008 /* Link Register */
278#define SPRN_MMCR0 0x3B8 /* Monitor Mode Control Register 0 */
279#define SPRN_MMCR1 0x3BC /* Monitor Mode Control Register 1 */
280#ifndef SPRN_PIR
281#define SPRN_PIR 0x3FF /* Processor Identification Register */
282#endif
283#define SPRN_PMC1 0x3B9 /* Performance Counter Register 1 */
284#define SPRN_PMC2 0x3BA /* Performance Counter Register 2 */
285#define SPRN_PMC3 0x3BD /* Performance Counter Register 3 */
286#define SPRN_PMC4 0x3BE /* Performance Counter Register 4 */
287#define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */
288#define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */
289#define SPRN_PVR 0x11F /* Processor Version Register */
290#define SPRN_RPA 0x3D6 /* Required Physical Address Register */
291#define SPRN_SDA 0x3BF /* Sampled Data Address Register */
292#define SPRN_SDR1 0x019 /* MMU Hash Base Register */
293#define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */
294#define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */
295#define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */
296#define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */
297#define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */
298#define SPRN_SPRG4 0x114 /* Special Purpose Register General 4 */
299#define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 */
300#define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 */
301#define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */
302#define SPRN_SRR0 0x01A /* Save/Restore Register 0 */
303#define SPRN_SRR1 0x01B /* Save/Restore Register 1 */
304#ifndef SPRN_SVR
305#define SPRN_SVR 0x11E /* System Version Register */
306#endif
307#define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */
308/* these bits were defined in inverted endian sense originally, ugh, confusing */
309#define THRM1_TIN (1 << 31)
310#define THRM1_TIV (1 << 30)
311#define THRM1_THRES(x) ((x&0x7f)<<23)
312#define THRM3_SITV(x) ((x&0x3fff)<<1)
313#define THRM1_TID (1<<2)
314#define THRM1_TIE (1<<1)
315#define THRM1_V (1<<0)
316#define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */
317#define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */
318#define THRM3_E (1<<0)
319#define SPRN_TLBMISS 0x3D4 /* 980 7450 TLB Miss Register */
320#define SPRN_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */
321#define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */
322#define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */
323#define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */
324#define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */
325#define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */
326#define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
327#define SPRN_VRSAVE 0x100 /* Vector Register Save Register */
328#define SPRN_XER 0x001 /* Fixed Point Exception Register */
329
330/* Bit definitions for MMCR0 and PMC1 / PMC2. */
331#define MMCR0_PMC1_CYCLES (1 << 7)
332#define MMCR0_PMC1_ICACHEMISS (5 << 7)
333#define MMCR0_PMC1_DTLB (6 << 7)
334#define MMCR0_PMC2_DCACHEMISS 0x6
335#define MMCR0_PMC2_CYCLES 0x1
336#define MMCR0_PMC2_ITLB 0x7
337#define MMCR0_PMC2_LOADMISSTIME 0x5
338#define MMCR0_PMXE (1 << 26)
339
340/* Processor Version Register */
341
342/* Processor Version Register (PVR) field extraction */
343
344#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
345#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
346
347/*
348 * IBM has further subdivided the standard PowerPC 16-bit version and
349 * revision subfields of the PVR for the PowerPC 403s into the following:
350 */
351
352#define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */
353#define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */
354#define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */
355#define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */
356#define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */
357#define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */
358
359/* Processor Version Numbers */
360
361#define PVR_403GA 0x00200000
362#define PVR_403GB 0x00200100
363#define PVR_403GC 0x00200200
364#define PVR_403GCX 0x00201400
365#define PVR_405GP 0x40110000
366#define PVR_STB03XXX 0x40310000
367#define PVR_NP405H 0x41410000
368#define PVR_NP405L 0x41610000
369#define PVR_440GP_RB 0x40120440
370#define PVR_440GP_RC1 0x40120481
371#define PVR_440GP_RC2 0x40200481
372#define PVR_440GX_RA 0x51b21850
373#define PVR_440GX_RB 0x51b21851
374#define PVR_440GX_RC 0x51b21892
375#define PVR_601 0x00010000
376#define PVR_602 0x00050000
377#define PVR_603 0x00030000
378#define PVR_603e 0x00060000
379#define PVR_603ev 0x00070000
380#define PVR_603r 0x00071000
381#define PVR_604 0x00040000
382#define PVR_604e 0x00090000
383#define PVR_604r 0x000A0000
384#define PVR_620 0x00140000
385#define PVR_740 0x00080000
386#define PVR_750 PVR_740
387#define PVR_740P 0x10080000
388#define PVR_750P PVR_740P
389#define PVR_7400 0x000C0000
390#define PVR_7410 0x800C0000
391#define PVR_7450 0x80000000
392#define PVR_8540 0x80200000
393#define PVR_8560 0x80200000
394/*
395 * For the 8xx processors, all of them report the same PVR family for
396 * the PowerPC core. The various versions of these processors must be
397 * differentiated by the version number in the Communication Processor
398 * Module (CPM).
399 */
400#define PVR_821 0x00500000
401#define PVR_823 PVR_821
402#define PVR_850 PVR_821
403#define PVR_860 PVR_821
404#define PVR_8240 0x00810100
405#define PVR_8245 0x80811014
406#define PVR_8260 PVR_8240
407
408#if 0
409/* Segment Registers */
410#define SR0 0
411#define SR1 1
412#define SR2 2
413#define SR3 3
414#define SR4 4
415#define SR5 5
416#define SR6 6
417#define SR7 7
418#define SR8 8
419#define SR9 9
420#define SR10 10
421#define SR11 11
422#define SR12 12
423#define SR13 13
424#define SR14 14
425#define SR15 15
426#endif
427
428/* Macros for setting and retrieving special purpose registers */
429#ifndef __ASSEMBLY__
430#define mfmsr() ({unsigned int rval; \
431 asm volatile("mfmsr %0" : "=r" (rval)); rval;})
432#define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v))
433
434#define mfspr(rn) ({unsigned int rval; \
435 asm volatile("mfspr %0," __stringify(rn) \
436 : "=r" (rval)); rval;})
437#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
438
439#define mfsrin(v) ({unsigned int rval; \
440 asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \
441 rval;})
442
443#define proc_trap() asm volatile("trap")
444#endif /* __ASSEMBLY__ */
445#endif /* __ASM_PPC_REGS_H__ */
446#endif /* __KERNEL__ */