Annotation of sys/arch/sh/include/cache_sh4.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: cache_sh4.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $ */
! 2: /* $NetBSD: cache_sh4.h,v 1.11 2006/03/04 01:55:03 uwe Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 2002 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by UCHIYAMA Yasushi.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: /*
! 41: * SH4: SH7750 SH7750S SH7750R SH7751 SH7751R
! 42: */
! 43:
! 44: #ifndef _SH_CACHE_SH4_H_
! 45: #define _SH_CACHE_SH4_H_
! 46: #include <sh/devreg.h>
! 47: #ifdef _KERNEL
! 48:
! 49: #define SH4_ICACHE_SIZE 8192
! 50: #define SH4_DCACHE_SIZE 16384
! 51: #define SH4_EMODE_ICACHE_SIZE 16384
! 52: #define SH4_EMODE_DCACHE_SIZE 32768
! 53: #define SH4_CACHE_LINESZ 32
! 54:
! 55: #define SH4_CCR 0xff00001c
! 56: #define SH4_CCR_EMODE 0x80000000
! 57: #define SH4_CCR_IIX 0x00008000
! 58: #define SH4_CCR_ICI 0x00000800
! 59: #define SH4_CCR_ICE 0x00000100
! 60: #define SH4_CCR_OIX 0x00000080
! 61: #define SH4_CCR_ORA 0x00000020
! 62: #define SH4_CCR_OCI 0x00000008
! 63: #define SH4_CCR_CB 0x00000004
! 64: #define SH4_CCR_WT 0x00000002
! 65: #define SH4_CCR_OCE 0x00000001
! 66:
! 67: #define SH4_QACR0 0xff000038
! 68: #define SH4_QACR1 0xff00003c
! 69: #define SH4_QACR_AREA_SHIFT 2
! 70: #define SH4_QACR_AREA_MASK 0x0000001c
! 71:
! 72: /* I-cache address/data array */
! 73: #define SH4_CCIA 0xf0000000
! 74: /* address specification */
! 75: #define CCIA_A 0x00000008 /* associate bit */
! 76: #define CCIA_ENTRY_SHIFT 5 /* line size 32B */
! 77: #define CCIA_ENTRY_MASK 0x00001fe0 /* [12:5] 256-entries */
! 78: #define CCIA_EMODE_ENTRY_MASK 0x00003fe0 /* [13:5] 512-entries */
! 79: /* data specification */
! 80: #define CCIA_V 0x00000001
! 81: #define CCIA_TAGADDR_MASK 0xfffffc00 /* [31:10] */
! 82:
! 83: #define SH4_CCID 0xf1000000
! 84: /* address specification */
! 85: #define CCID_L_SHIFT 2
! 86: #define CCID_L_MASK 0x1c /* line-size is 32B */
! 87: #define CCID_ENTRY_MASK 0x00001fe0 /* [12:5] 256-entries */
! 88:
! 89: /* D-cache address/data array */
! 90: #define SH4_CCDA 0xf4000000
! 91: /* address specification */
! 92: #define CCDA_A 0x00000008 /* associate bit */
! 93: #define CCDA_ENTRY_SHIFT 5 /* line size 32B */
! 94: #define CCDA_ENTRY_MASK 0x00003fe0 /* [13:5] 512-entries */
! 95: /* data specification */
! 96: #define CCDA_V 0x00000001
! 97: #define CCDA_U 0x00000002
! 98: #define CCDA_TAGADDR_MASK 0xfffffc00 /* [31:10] */
! 99:
! 100: #define SH4_CCDD 0xf5000000
! 101:
! 102: /* Store Queue */
! 103: #define SH4_SQ 0xe0000000
! 104:
! 105: /*
! 106: * cache flush macro for locore level code.
! 107: */
! 108: #define SH4_CACHE_FLUSH() \
! 109: do { \
! 110: uint32_t __e, __a; \
! 111: \
! 112: /* D-cache */ \
! 113: for (__e = 0; __e < (SH4_DCACHE_SIZE / SH4_CACHE_LINESZ); __e++) {\
! 114: __a = SH4_CCDA | (__e << CCDA_ENTRY_SHIFT); \
! 115: (*(volatile uint32_t *)__a) &= ~(CCDA_U | CCDA_V); \
! 116: } \
! 117: /* I-cache */ \
! 118: for (__e = 0; __e < (SH4_ICACHE_SIZE / SH4_CACHE_LINESZ); __e++) {\
! 119: __a = SH4_CCIA | (__e << CCIA_ENTRY_SHIFT); \
! 120: (*(volatile uint32_t *)__a) &= ~(CCIA_V); \
! 121: } \
! 122: } while(/*CONSTCOND*/0)
! 123:
! 124: #define SH4_EMODE_CACHE_FLUSH() \
! 125: do { \
! 126: uint32_t __e, __a; \
! 127: \
! 128: /* D-cache */ \
! 129: for (__e = 0;__e < (SH4_EMODE_DCACHE_SIZE / SH4_CACHE_LINESZ);__e++) {\
! 130: __a = SH4_CCDA | (__e << CCDA_ENTRY_SHIFT); \
! 131: (*(volatile uint32_t *)__a) &= ~(CCDA_U | CCDA_V); \
! 132: } \
! 133: /* I-cache */ \
! 134: for (__e = 0;__e < (SH4_EMODE_ICACHE_SIZE / SH4_CACHE_LINESZ);__e++) {\
! 135: __a = SH4_CCIA | (__e << CCIA_ENTRY_SHIFT); \
! 136: (*(volatile uint32_t *)__a) &= ~(CCIA_V); \
! 137: } \
! 138: } while(/*CONSTCOND*/0)
! 139:
! 140: #define SH7750_CACHE_FLUSH() SH4_CACHE_FLUSH()
! 141: #define SH7750S_CACHE_FLUSH() SH4_CACHE_FLUSH()
! 142: #define SH7751_CACHE_FLUSH() SH4_CACHE_FLUSH()
! 143: #if defined(SH4_CACHE_DISABLE_EMODE)
! 144: #define SH7750R_CACHE_FLUSH() SH4_CACHE_FLUSH()
! 145: #define SH7751R_CACHE_FLUSH() SH4_CACHE_FLUSH()
! 146: #else
! 147: #define SH7750R_CACHE_FLUSH() SH4_EMODE_CACHE_FLUSH()
! 148: #define SH7751R_CACHE_FLUSH() SH4_EMODE_CACHE_FLUSH()
! 149: #endif
! 150:
! 151: #ifndef _LOCORE
! 152: extern void sh4_cache_config(void);
! 153: #endif
! 154: #endif /* _KERNEL */
! 155: #endif /* !_SH_CACHE_SH4_H_ */
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to cache_sh4.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / arch / sh / include