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      1 /*	$NetBSD: arm_boot.cpp,v 1.10 2009/01/29 21:23:38 nonaka 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <hpcboot.h>
     33 
     34 #include <arch.h>
     35 #include <memory.h>
     36 
     37 #include <arm/arm_arch.h>
     38 #include <arm/arm_sa1100.h>
     39 #include <arm/arm_pxa2x0.h>
     40 #include <arm/arm_boot.h>
     41 #include <arm/arm_console.h>
     42 
     43 ARMBoot::ARMBoot()
     44 {
     45 }
     46 
     47 ARMBoot::~ARMBoot()
     48 {
     49 	if (_mem)
     50 		delete _mem;
     51 	if (_arch)
     52 		delete _arch;
     53 
     54 	ARMConsole::Destroy();
     55 }
     56 
     57 BOOL
     58 ARMBoot::setup()
     59 {
     60 	struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
     61 
     62 	platid_t platid;
     63 	platid.dw.dw0 = pref.platid_hi;
     64 	platid.dw.dw1 = pref.platid_lo;
     65 
     66 	if (platid_match(&platid, &platid_mask_CPU_ARM_STRONGARM_SA1100))
     67 		args.architecture = ARCHITECTURE_ARM_SA1100;
     68 	else if (platid_match(&platid, &platid_mask_CPU_ARM_STRONGARM_SA1110))
     69 		args.architecture = ARCHITECTURE_ARM_SA1100;
     70 	else if (platid_match(&platid, &platid_mask_CPU_ARM_XSCALE_PXA250))
     71 		args.architecture = ARCHITECTURE_ARM_PXA250;
     72 	else if (platid_match(&platid, &platid_mask_CPU_ARM_XSCALE_PXA270))
     73 		args.architecture = ARCHITECTURE_ARM_PXA270;
     74 	else
     75 		return FALSE;
     76 
     77 	args.memory = MEMORY_MANAGER_LOCKPAGES;
     78 
     79 	return super::setup();
     80 }
     81 
     82 BOOL
     83 ARMBoot::create()
     84 {
     85 	BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
     86 	BOOL(*unlock_pages)(LPVOID, DWORD);
     87 
     88 	// Architecture dependent ops.
     89 	switch (args.architecture) {
     90 	default:
     91 		DPRINTF((TEXT("Unsupported architecture.\n")));
     92 		return FALSE;
     93 	case ARCHITECTURE_ARM_SA1100:
     94 		_arch = new SA1100Architecture(_cons, _mem);
     95 		break;
     96 	case ARCHITECTURE_ARM_PXA250:
     97 	case ARCHITECTURE_ARM_PXA270:
     98 		_arch = new PXA2X0Architecture(_cons, _mem);
     99 		break;
    100 	}
    101 	_arch->setDebug() = args.architectureDebug;
    102 
    103 	lock_pages = _arch->_load_LockPages();
    104 	unlock_pages = _arch->_load_UnlockPages();
    105 	if (lock_pages == 0 || unlock_pages == 0) {
    106 
    107 		DPRINTF((TEXT("couldn't find LockPages/UnlockPages.\n")));
    108 		return FALSE;
    109 	}
    110 
    111 	// Memory manager.
    112 	switch(args.memory)
    113 	{
    114 	default:
    115 	case MEMORY_MANAGER_VIRTUALCOPY:
    116 		// FALLTHROUGH
    117 	case MEMORY_MANAGER_SOFTMMU:
    118 		// FALLTHROUGH
    119 	case MEMORY_MANAGER_HARDMMU:
    120 		DPRINTF((TEXT("unsupported memory address detection method.\n")));
    121 		return FALSE;
    122 	case MEMORY_MANAGER_LOCKPAGES:
    123 		_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
    124 		    _cons, 4096);
    125 		break;
    126 	}
    127 	_mem->setDebug() = args.memorymanagerDebug;
    128 
    129 	// Console
    130 	if (args.console == CONSOLE_SERIAL) {
    131 		_cons = ARMConsole::Instance(_mem, args.architecture);
    132 		if (_cons == NULL || !_cons->init()) {
    133 			_cons = Console::Instance();
    134 			DPRINTF((TEXT("use LCD console instead.\n")));
    135 		}
    136 	} else {
    137 		_cons = Console::Instance();
    138 	}
    139 
    140 	// File Manager, Loader
    141 	return super::create();
    142 }
    143