1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _M68K_CONTREGS_H 3 #define _M68K_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 /* _M68K_CONTREGS_H */ 55