1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation 4 */ 5 6 #ifndef _POWERPC_SYSDEV_DART_H 7 #define _POWERPC_SYSDEV_DART_H 8 9 10 /* Offset from base to control register */ 11 #define DART_CNTL 0 12 13 /* Offset from base to exception register */ 14 #define DART_EXCP_U3 0x10 15 /* Offset from base to TLB tag registers */ 16 #define DART_TAGS_U3 0x1000 17 18 /* U4 registers */ 19 #define DART_BASE_U4 0x10 20 #define DART_SIZE_U4 0x20 21 #define DART_EXCP_U4 0x30 22 #define DART_TAGS_U4 0x1000 23 24 /* Control Register fields */ 25 26 /* U3 registers */ 27 #define DART_CNTL_U3_BASE_MASK 0xfffff 28 #define DART_CNTL_U3_BASE_SHIFT 12 29 #define DART_CNTL_U3_FLUSHTLB 0x400 30 #define DART_CNTL_U3_ENABLE 0x200 31 #define DART_CNTL_U3_SIZE_MASK 0x1ff 32 #define DART_CNTL_U3_SIZE_SHIFT 0 33 34 /* U4 registers */ 35 #define DART_BASE_U4_BASE_MASK 0xffffff 36 #define DART_BASE_U4_BASE_SHIFT 0 37 #define DART_CNTL_U4_ENABLE 0x80000000 38 #define DART_CNTL_U4_IONE 0x40000000 39 #define DART_CNTL_U4_FLUSHTLB 0x20000000 40 #define DART_CNTL_U4_IDLE 0x10000000 41 #define DART_CNTL_U4_PAR_EN 0x08000000 42 #define DART_CNTL_U4_IONE_MASK 0x07ffffff 43 #define DART_SIZE_U4_SIZE_MASK 0x1fff 44 #define DART_SIZE_U4_SIZE_SHIFT 0 45 46 #define DART_REG(r) (dart + ((r) >> 2)) 47 #define DART_IN(r) (in_be32(DART_REG(r))) 48 #define DART_OUT(r,v) (out_be32(DART_REG(r), (v))) 49 50 51 /* size of table in pages */ 52 53 54 /* DART table fields */ 55 56 #define DARTMAP_VALID 0x80000000 57 #define DARTMAP_RPNMASK 0x00ffffff 58 59 60 #define DART_PAGE_SHIFT 12 61 #define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT) 62 63 64 #endif /* _POWERPC_SYSDEV_DART_H */ 65
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