1 /* $Id: contregs.h,v 1.8 2000/12/28 22:49:11 davem Exp $ */
2 #ifndef _SPARC_CONTREGS_H
3 #define _SPARC_CONTREGS_H
4
5 /* contregs.h: Addresses of registers in the ASI_CONTROL alternate address
6 * space. These are for the mmu's context register, etc.
7 *
8 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
9 */
10
11 /* 3=sun3
12 4=sun4 (as in sun4 sysmaint student book)
13 c=sun4c (according to davem) */
14
15 #define AC_IDPROM 0x00000000 /* 34 ID PROM, R/O, byte, 32 bytes */
16 #define AC_PAGEMAP 0x10000000 /* 3 Pagemap R/W, long */
17 #define AC_SEGMAP 0x20000000 /* 3 Segment map, byte */
18 #define AC_CONTEXT 0x30000000 /* 34c current mmu-context */
19 #define AC_SENABLE 0x40000000 /* 34c system dvma/cache/reset enable reg*/
20 #define AC_UDVMA_ENB 0x50000000 /* 34 Not used on Sun boards, byte */
21 #define AC_BUS_ERROR 0x60000000 /* 34 Not cleared on read, byte. */
22 #define AC_SYNC_ERR 0x60000000 /* c fault type */
23 #define AC_SYNC_VA 0x60000004 /* c fault virtual address */
24 #define AC_ASYNC_ERR 0x60000008 /* c asynchronous fault type */
25 #define AC_ASYNC_VA 0x6000000c /* c async fault virtual address */
26 #define AC_LEDS 0x70000000 /* 34 Zero turns on LEDs, byte */
27 #define AC_CACHETAGS 0x80000000 /* 34c direct access to the VAC tags */
28 #define AC_CACHEDDATA 0x90000000 /* 3 c direct access to the VAC data */
29 #define AC_UDVMA_MAP 0xD0000000 /* 4 Not used on Sun boards, byte */
30 #define AC_VME_VECTOR 0xE0000000 /* 4 For non-Autovector VME, byte */
31 #define AC_BOOT_SCC 0xF0000000 /* 34 bypass to access Zilog 8530. byte.*/
32
33 /* s=Swift, h=Ross_HyperSPARC, v=TI_Viking, t=Tsunami, r=Ross_Cypress */
34 #define AC_M_PCR 0x0000 /* shv Processor Control Reg */
35 #define AC_M_CTPR 0x0100 /* shv Context Table Pointer Reg */
36 #define AC_M_CXR 0x0200 /* shv Context Register */
37 #define AC_M_SFSR 0x0300 /* shv Synchronous Fault Status Reg */
38 #define AC_M_SFAR 0x0400 /* shv Synchronous Fault Address Reg */
39 #define AC_M_AFSR 0x0500 /* hv Asynchronous Fault Status Reg */
40 #define AC_M_AFAR 0x0600 /* hv Asynchronous Fault Address Reg */
41 #define AC_M_RESET 0x0700 /* hv Reset Reg */
42 #define AC_M_RPR 0x1000 /* hv Root Pointer Reg */
43 #define AC_M_TSUTRCR 0x1000 /* s TLB Replacement Ctrl Reg */
44 #define AC_M_IAPTP 0x1100 /* hv Instruction Access PTP */
45 #define AC_M_DAPTP 0x1200 /* hv Data Access PTP */
46 #define AC_M_ITR 0x1300 /* hv Index Tag Register */
47 #define AC_M_TRCR 0x1400 /* hv TLB Replacement Control Reg */
48 #define AC_M_SFSRX 0x1300 /* s Synch Fault Status Reg prim */
49 #define AC_M_SFARX 0x1400 /* s Synch Fault Address Reg prim */
50 #define AC_M_RPR1 0x1500 /* h Root Pointer Reg (entry 2) */
51 #define AC_M_IAPTP1 0x1600 /* h Instruction Access PTP (entry 2) */
52 #define AC_M_DAPTP1 0x1700 /* h Data Access PTP (entry 2) */
53
54 #endif /* _SPARC_CONTREGS_H */
55
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