1/* 2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * HISTORY 30 * 31 */ 32 33#include <IOKit/IODeviceTreeSupport.h> 34#include <IOKit/IORangeAllocator.h> 35#include <IOKit/nvram/IONVRAMController.h> 36 37#include <IOKit/platform/ApplePlatformExpert.h> 38 39 40const OSSymbol *gGetDefaultBusSpeedsKey; 41 42/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 43 44#define super IODTPlatformExpert 45 46OSDefineMetaClassAndAbstractStructors(ApplePlatformExpert, IODTPlatformExpert); 47 48OSMetaClassDefineReservedUnused(ApplePlatformExpert, 0); 49OSMetaClassDefineReservedUnused(ApplePlatformExpert, 1); 50OSMetaClassDefineReservedUnused(ApplePlatformExpert, 2); 51OSMetaClassDefineReservedUnused(ApplePlatformExpert, 3); 52 53/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 54 55bool ApplePlatformExpert::start( IOService * provider ) 56{ 57 UInt16 romVersion; 58 59 gGetDefaultBusSpeedsKey = OSSymbol::withCString("GetDefaultBusSpeeds"); 60 61 if (provider->getProperty(gIODTNWInterruptMappingKey)) { 62 // new world interrupt mapping => new world, for now 63 setBootROMType(kBootROMTypeNewWorld); 64 } else { 65 setBootROMType(kBootROMTypeOldWorld); 66 67 // Get the Rom Minor Version from the 68k ROM. 68 romVersion = ml_phys_read_64(0xffc00010ULL) & 0x0000ffff; 69 provider->setProperty("rom-version", &romVersion, sizeof(romVersion)); 70 } 71 72 return super::start(provider); 73} 74 75bool ApplePlatformExpert::configure( IOService * provider ) 76{ 77 IORangeAllocator * physicalRanges; 78 79 if((physicalRanges = getPhysicalRangeAllocator())) { 80 physicalRanges->allocateRange(0,0x80000000); // RAM 81 physicalRanges->allocateRange(0xff000000,0x01000000); // ROM 82 } 83 return(super::configure(provider)); 84} 85 86const char * ApplePlatformExpert::deleteList ( void ) 87{ 88 return( "('packages', 'psuedo-usb', 'psuedo-hid', 'multiboot', 'rtas')" ); 89} 90 91const char * ApplePlatformExpert::excludeList( void ) 92{ 93 return( "('chosen', 'memory', 'openprom', 'AAPL,ROM', 'rom', 'options', 'aliases')"); 94} 95 96void ApplePlatformExpert::registerNVRAMController( IONVRAMController * nvram ) 97{ 98 IOReturn err; 99 enum { kXPRAMTimeToGMTOffset = 0xEC }; 100 101 super::registerNVRAMController(nvram); 102 103 // Here we are saving off the time zone info that's in PRAM. 104 // This probably should be a separate call that the 105 // ApplePlatformExpert does in it's initialization. -ECH 106 107 err = readXPRAM(kXPRAMTimeToGMTOffset, (UInt8 *)&_timeToGMT, 108 sizeof(_timeToGMT)); 109 if (err == kIOReturnSuccess) { 110 // Convert from a SInt24 - sign extend from bit 23. 111 if (_timeToGMT & (1 << 23)) 112 _timeToGMT |= 0xFF000000; 113 else 114 _timeToGMT &= 0x00FFFFFF; 115 } 116} 117 118#define SECS_BETWEEN_1904_1970 2082844800 119 120long ApplePlatformExpert::getGMTTimeOfDay(void) 121{ 122 long localtime; 123 124 // to avid to hang the kernel at boot 125 // I set a limit of 15 seconds waiting 126 // for the real time clock. 127 mach_timespec_t t; 128 t.tv_sec = 30; 129 t.tv_nsec = 0; 130 if (waitForService(resourceMatching("IORTC"), &t ) != NULL) { 131 if (PE_read_write_time_of_day(kPEReadTOD, &localtime) == 0) 132 return (localtime - _timeToGMT - SECS_BETWEEN_1904_1970); 133 } 134 else 135 IOLog("ApplePlatformExpert::getGMTTimeOfDay can not provide time of day RTC did not show up\n"); 136 137 return(0); 138} 139 140void ApplePlatformExpert::setGMTTimeOfDay(long secs) 141{ 142 // to avid to hang the kernel at boot 143 // I set a limit of 15 seconds waiting 144 // for the real time clock. 145 mach_timespec_t t; 146 t.tv_sec = 30; 147 t.tv_nsec = 0; 148 if (waitForService(resourceMatching("IORTC"), &t ) != NULL) { 149 secs += SECS_BETWEEN_1904_1970; 150 secs += _timeToGMT; 151 PE_read_write_time_of_day(kPEWriteTOD, &secs); 152 } 153 else 154 IOLog("ApplePlatformExpert::setGMTTimeOfDay can not set time of day RTC did not show up\n"); 155 156} 157 158bool ApplePlatformExpert::getMachineName(char *name, int maxLength) 159{ 160 strncpy(name, "Power Macintosh", maxLength); 161 162 return true; 163} 164