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arm_boot.cpp revision 1.7.70.1 
      1 /*	$NetBSD: arm_boot.cpp,v 1.7.70.1 2008/03/24 07:14:57 keiichi Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <hpcboot.h>
     40 
     41 #include <arch.h>
     42 #include <memory.h>
     43 
     44 #include <arm/arm_arch.h>
     45 #include <arm/arm_sa1100.h>
     46 #include <arm/arm_pxa2x0.h>
     47 #include <arm/arm_boot.h>
     48 #include <arm/arm_console.h>
     49 
     50 ARMBoot::ARMBoot()
     51 {
     52 }
     53 
     54 ARMBoot::~ARMBoot()
     55 {
     56 	if (_mem)
     57 		delete _mem;
     58 	if (_arch)
     59 		delete _arch;
     60 
     61 	ARMConsole::Destroy();
     62 }
     63 
     64 BOOL
     65 ARMBoot::setup()
     66 {
     67 	struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
     68 
     69 	platid_t platid;
     70 	platid.dw.dw0 = pref.platid_hi;
     71 	platid.dw.dw1 = pref.platid_lo;
     72 
     73 	if (platid_match(&platid, &platid_mask_CPU_ARM_STRONGARM_SA1100))
     74 		args.architecture = ARCHITECTURE_ARM_SA1100;
     75 	else if (platid_match(&platid, &platid_mask_CPU_ARM_STRONGARM_SA1110))
     76 		args.architecture = ARCHITECTURE_ARM_SA1100;
     77 	else if (platid_match(&platid, &platid_mask_CPU_ARM_XSCALE_PXA250))
     78 		args.architecture = ARCHITECTURE_ARM_PXA250;
     79 	else
     80 		return FALSE;
     81 
     82 	args.memory = MEMORY_MANAGER_LOCKPAGES;
     83 
     84 	return super::setup();
     85 }
     86 
     87 BOOL
     88 ARMBoot::create()
     89 {
     90 	BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
     91 	BOOL(*unlock_pages)(LPVOID, DWORD);
     92 
     93 	// Architecture dependent ops.
     94 	switch (args.architecture) {
     95 	default:
     96 		DPRINTF((TEXT("Unsupported architecture.\n")));
     97 		return FALSE;
     98 	case ARCHITECTURE_ARM_SA1100:
     99 		_arch = new SA1100Architecture(_cons, _mem);
    100 		break;
    101 	case ARCHITECTURE_ARM_PXA250:
    102 		_arch = new PXA2X0Architecture(_cons, _mem);
    103 		break;
    104 	}
    105 	_arch->setDebug() = args.architectureDebug;
    106 
    107 	lock_pages = _arch->_load_LockPages();
    108 	unlock_pages = _arch->_load_UnlockPages();
    109 	if (lock_pages == 0 || unlock_pages == 0) {
    110 
    111 		DPRINTF((TEXT("couldn't find LockPages/UnlockPages.\n")));
    112 		return FALSE;
    113 	}
    114 
    115 	// Memory manager.
    116 	switch(args.memory)
    117 	{
    118 	default:
    119 	case MEMORY_MANAGER_VIRTUALCOPY:
    120 		// FALLTHROUGH
    121 	case MEMORY_MANAGER_SOFTMMU:
    122 		// FALLTHROUGH
    123 	case MEMORY_MANAGER_HARDMMU:
    124 		DPRINTF((TEXT("unsupported memory address detection method.\n")));
    125 		return FALSE;
    126 	case MEMORY_MANAGER_LOCKPAGES:
    127 		_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
    128 		    _cons, 4096);
    129 		break;
    130 	}
    131 	_mem->setDebug() = args.memorymanagerDebug;
    132 
    133 	// Console
    134 	if (args.console == CONSOLE_SERIAL) {
    135 		_cons = ARMConsole::Instance(_mem, args.architecture);
    136 		if (_cons == NULL || !_cons->init()) {
    137 			_cons = Console::Instance();
    138 			DPRINTF((TEXT("use LCD console instead.\n")));
    139 		}
    140 	} else {
    141 		_cons = Console::Instance();
    142 	}
    143 
    144 	// File Manager, Loader
    145 	return super::create();
    146 }
    147