1 /* 2 * Some or all of this work - Copyright (c) 2006 - 2021, Intel Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * Neither the name of Intel Corporation nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 /* 29 * Resource Descriptor macros 30 * 31 * Memory24() Memory Resource Descriptor Macro 32 */ 33 Name (P40E, Package (0x03) 34 { 35 ResourceTemplate () 36 { 37 Memory24 (ReadOnly, 38 0xF0F1, // Range Minimum 39 0xF2F3, // Range Maximum 40 0xF4F5, // Alignment 41 0xF6F7, // Length 42 ) 43 }, 44 45 ResourceTemplate () 46 { 47 Memory24 (ReadWrite, 48 0xF0F1, // Range Minimum 49 0xF2F3, // Range Maximum 50 0xF4F5, // Alignment 51 0xF6F7, // Length 52 ) 53 }, 54 55 ResourceTemplate () 56 { 57 Memory24 (ReadWrite, 58 0x0000, // Range Minimum 59 0x0000, // Range Maximum 60 0x0000, // Alignment 61 0x0000, // Length 62 ) 63 } 64 }) 65 /* 66 ACPI Specification, Revision 3.0, September 2, 2004 67 6.4.3.1 24-Bit Memory Range Descriptor 68 24-Bit Memory Range Descriptor layout: 69 Byte 0 (Tag Bits): Value = 10000001B (0x81) (Type = 1, Large item name = 0x1) 70 Byte 1 (Length, bits[7:0]): Value = 00001001B (9) 71 Byte 2 (Length, bits[15:8]): Value = 00000000B (0) 72 Byte 3 (Information): 73 Bit[7:1] Ignored 74 Bit[0] Write status, _RW 75 1 writeable (read/write) 76 0 non-writeable (read-only) 77 Byte 4 (Range minimum base address, _MIN, bits[7:0]): 78 Address bits[15:8] of the minimum base memory address 79 for which the card may be configured. 80 Byte 5 (Range minimum base address, _MIN, bits[15:8]): 81 Address bits[23:16] of the minimum base memory address 82 for which the card may be configured 83 Byte 6 (Range maximum base address, _MAX, bits[7:0]): 84 Address bits[15:8] of the maximum base memory address 85 for which the card may be configured. 86 Byte 7 (Range maximum base address, _MAX, bits[15:8]): 87 Address bits[23:16] of the maximum base memory address 88 for which the card may be configured 89 Byte 8 (Base alignment, _ALN, bits[7:0]): 90 This field contains the lower eight bits of the base alignment. 91 The base alignment provides the increment for the minimum base 92 address. (0x0000 = 64 KB) 93 Byte 9 (Base alignment, _ALN, bits[15:8]): 94 This field contains the upper eight bits of the base alignment. 95 Byte 10 (Range length, _LEN, bits[7:0]): 96 This field contains the lower eight bits of the memory range length. 97 The range length provides the length of the memory range in 256 byte blocks. 98 Byte 11 (Range length, _LEN, bits[15:8]): 99 This field contains the upper eight bits of the memory range length. 100 */ 101 Name (P40F, Package (0x03) 102 { 103 ResourceTemplate () 104 { 105 Memory24 (ReadOnly, 106 0xF0F1, // Range Minimum 107 0xF2F3, // Range Maximum 108 0xF4F5, // Alignment 109 0xF6F7, // Length 110 ) 111 }, 112 113 ResourceTemplate () 114 { 115 Memory24 (ReadWrite, 116 0xF0F1, // Range Minimum 117 0xF2F3, // Range Maximum 118 0xF4F5, // Alignment 119 0xF6F7, // Length 120 ) 121 }, 122 123 ResourceTemplate () 124 { 125 Memory24 (ReadWrite, 126 0x0000, // Range Minimum 127 0x0000, // Range Maximum 128 0x0000, // Alignment 129 0x0000, // Length 130 ) 131 } 132 }) 133 Method (RT08, 0, Serialized) 134 { 135 /* Emit test header, set the filename */ 136 137 THDR (__METHOD__, "Memory24 Resource Descriptor Macro", "memory24.asl") 138 /* Main test case for packages above */ 139 140 M330 (__METHOD__, 0x03, "p40e", P40E, P40F) 141 /* Check resource descriptor tag offsets */ 142 143 Local0 = ResourceTemplate () 144 { 145 Memory24 (ReadOnly, 146 0xF0F1, // Range Minimum 147 0xF2F3, // Range Maximum 148 0xF4F5, // Alignment 149 0xF6F7, // Length 150 ) 151 Memory24 (ReadOnly, 152 0xF0F1, // Range Minimum 153 0xF2F3, // Range Maximum 154 0xF4F5, // Alignment 155 0xF6F7, // Length 156 ) 157 } 158 M331 (__METHOD__, 0x01, 0x18, 0x18, 0x78, 0x78, "_RW") 159 M331 (__METHOD__, 0x02, 0x20, 0x20, 0x80, 0x80, "_MIN") 160 M331 (__METHOD__, 0x03, 0x30, 0x30, 0x90, 0x90, "_MAX") 161 M331 (__METHOD__, 0x04, 0x40, 0x40, 0xA0, 0xA0, "_ALN") 162 M331 (__METHOD__, 0x05, 0x50, 0x50, 0xB0, 0xB0, "_LEN") 163 } 164