Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/arm/include/pl310.h
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1 /*- 2 * Copyright (c) 2012 Olivier Houchard. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 26 /* 27 * $FreeBSD: releng/10.0/sys/arm/include/pl310.h 245083 2013-01-06 00:42:09Z andrew $ 28 */ 29 30 #ifndef PL310_H_ 31 #define PL310_H_ 32 33 /** 34 * PL310 - L2 Cache Controller register offsets. 35 * 36 */ 37 #define PL310_CACHE_ID 0x000 38 #define CACHE_ID_RELEASE_SHIFT 0 39 #define CACHE_ID_RELEASE_MASK 0x3f 40 #define CACHE_ID_RELEASE_r0p0 0x00 41 #define CACHE_ID_RELEASE_r1p0 0x02 42 #define CACHE_ID_RELEASE_r2p0 0x04 43 #define CACHE_ID_RELEASE_r3p0 0x05 44 #define CACHE_ID_RELEASE_r3p1 0x06 45 #define CACHE_ID_RELEASE_r3p2 0x08 46 #define CACHE_ID_RELEASE_r3p3 0x09 47 #define CACHE_ID_PARTNUM_SHIFT 6 48 #define CACHE_ID_PARTNUM_MASK 0xf 49 #define CACHE_ID_PARTNUM_VALUE 0x3 50 #define PL310_CACHE_TYPE 0x004 51 #define PL310_CTRL 0x100 52 #define CTRL_ENABLED 0x01 53 #define CTRL_DISABLED 0x00 54 #define PL310_AUX_CTRL 0x104 55 #define AUX_CTRL_MASK 0xc0000fff 56 #define AUX_CTRL_ASSOCIATIVITY_SHIFT 16 57 #define AUX_CTRL_WAY_SIZE_SHIFT 17 58 #define AUX_CTRL_WAY_SIZE_MASK (0x7 << 17) 59 #define AUX_CTRL_SHARE_OVERRIDE (1 << 22) 60 #define AUX_CTRL_NS_LOCKDOWN (1 << 26) 61 #define AUX_CTRL_NS_INT_CTRL (1 << 27) 62 #define AUX_CTRL_DATA_PREFETCH (1 << 28) 63 #define AUX_CTRL_INSTR_PREFETCH (1 << 29) 64 #define AUX_CTRL_EARLY_BRESP (1 << 30) 65 #define PL310_EVENT_COUNTER_CTRL 0x200 66 #define EVENT_COUNTER_CTRL_ENABLED (1 << 0) 67 #define EVENT_COUNTER_CTRL_C0_RESET (1 << 1) 68 #define EVENT_COUNTER_CTRL_C1_RESET (1 << 2) 69 #define PL310_EVENT_COUNTER1_CONF 0x204 70 #define PL310_EVENT_COUNTER0_CONF 0x208 71 #define EVENT_COUNTER_CONF_NOINTR 0 72 #define EVENT_COUNTER_CONF_INCR 1 73 #define EVENT_COUNTER_CONF_OVFW 2 74 #define EVENT_COUNTER_CONF_NOEV (0 << 2) 75 #define EVENT_COUNTER_CONF_CO (1 << 2) 76 #define EVENT_COUNTER_CONF_DRHIT (2 << 2) 77 #define EVENT_COUNTER_CONF_DRREQ (3 << 2) 78 #define EVENT_COUNTER_CONF_DWHIT (4 << 2) 79 #define EVENT_COUNTER_CONF_DWREQ (5 << 2) 80 #define EVENT_COUNTER_CONF_DWTREQ (6 << 2) 81 #define EVENT_COUNTER_CONF_DIRHIT (7 << 2) 82 #define EVENT_COUNTER_CONF_DIRREQ (8 << 2) 83 #define EVENT_COUNTER_CONF_WA (9 << 2) 84 #define PL310_EVENT_COUNTER1_VAL 0x20C 85 #define PL310_EVENT_COUNTER0_VAL 0x210 86 #define PL310_INTR_MASK 0x214 87 #define PL310_MASKED_INTR_STAT 0x218 88 #define PL310_RAW_INTR_STAT 0x21C 89 #define PL310_INTR_CLEAR 0x220 90 #define INTR_MASK_ALL ((1 << 9) - 1) 91 #define INTR_MASK_ECNTR (1 << 0) 92 #define INTR_MASK_PARRT (1 << 1) 93 #define INTR_MASK_PARRD (1 << 2) 94 #define INTR_MASK_ERRWT (1 << 3) 95 #define INTR_MASK_ERRWD (1 << 4) 96 #define INTR_MASK_ERRRT (1 << 5) 97 #define INTR_MASK_ERRRD (1 << 6) 98 #define INTR_MASK_SLVERR (1 << 7) 99 #define INTR_MASK_DECERR (1 << 8) 100 #define PL310_CACHE_SYNC 0x730 101 #define PL310_INV_LINE_PA 0x770 102 #define PL310_INV_WAY 0x77C 103 #define PL310_CLEAN_LINE_PA 0x7B0 104 #define PL310_CLEAN_LINE_IDX 0x7B8 105 #define PL310_CLEAN_WAY 0x7BC 106 #define PL310_CLEAN_INV_LINE_PA 0x7F0 107 #define PL310_CLEAN_INV_LINE_IDX 0x7F8 108 #define PL310_CLEAN_INV_WAY 0x7FC 109 #define PL310_LOCKDOWN_D_WAY(x) (0x900 + ((x) * 8)) 110 #define PL310_LOCKDOWN_I_WAY(x) (0x904 + ((x) * 8)) 111 #define PL310_LOCKDOWN_LINE_ENABLE 0x950 112 #define PL310_UNLOCK_ALL_LINES_WAY 0x954 113 #define PL310_ADDR_FILTER_STAR 0xC00 114 #define PL310_ADDR_FILTER_END 0xC04 115 #define PL310_DEBUG_CTRL 0xF40 116 #define PL310_PREFETCH_CTRL 0xF60 117 #define PREFETCH_CTRL_OFFSET_MASK (0x1f) 118 #define PREFETCH_CTRL_NOTSAMEID (1 << 21) 119 #define PREFETCH_CTRL_INCR_DL (1 << 23) 120 #define PREFETCH_CTRL_PREFETCH_DROP (1 << 24) 121 #define PREFETCH_CTRL_DL_ON_WRAP (1 << 27) 122 #define PREFETCH_CTRL_DATA_PREFETCH (1 << 28) 123 #define PREFETCH_CTRL_INSTR_PREFETCH (1 << 29) 124 #define PREFETCH_CTRL_DL (1 << 30) 125 #define PL310_POWER_CTRL 0xF60 126 127 struct pl310_softc { 128 device_t sc_dev; 129 struct resource *sc_mem_res; 130 struct resource *sc_irq_res; 131 void* sc_irq_h; 132 int sc_enabled; 133 struct mtx sc_mtx; 134 u_int sc_rtl_revision; 135 }; 136 137 /** 138 * pl310_read4 - read a 32-bit value from the PL310 registers 139 * pl310_write4 - write a 32-bit value from the PL310 registers 140 * @off: byte offset within the register set to read from 141 * @val: the value to write into the register 142 * 143 * 144 * LOCKING: 145 * None 146 * 147 * RETURNS: 148 * nothing in case of write function, if read function returns the value read. 149 */ 150 static __inline uint32_t 151 pl310_read4(struct pl310_softc *sc, bus_size_t off) 152 { 153 154 return bus_read_4(sc->sc_mem_res, off); 155 } 156 157 static __inline void 158 pl310_write4(struct pl310_softc *sc, bus_size_t off, uint32_t val) 159 { 160 161 bus_write_4(sc->sc_mem_res, off, val); 162 } 163 164 void platform_pl310_init(struct pl310_softc *); 165 void platform_pl310_write_ctrl(struct pl310_softc *, uint32_t); 166 void platform_pl310_write_debug(struct pl310_softc *, uint32_t); 167 168 #endif /* PL310_H_ */
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