xref: /src/sys/arch/hpc/stand/hpcboot/arm/arm_boot.cpp

/*	$NetBSD: arm_boot.cpp,v 1.8.4.1 2008/05/16 02:22:24 yamt Exp $	*/

/*-
 * Copyright (c) 2001 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by UCHIYAMA Yasushi.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <hpcboot.h>

#include <arch.h>
#include <memory.h>

#include <arm/arm_arch.h>
#include <arm/arm_sa1100.h>
#include <arm/arm_pxa2x0.h>
#include <arm/arm_boot.h>
#include <arm/arm_console.h>

ARMBoot::ARMBoot()
{
}

ARMBoot::~ARMBoot()
{
	if (_mem)
		delete _mem;
	if (_arch)
		delete _arch;

	ARMConsole::Destroy();
}

BOOL
ARMBoot::setup()
{
	struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;

	platid_t platid;
	platid.dw.dw0 = pref.platid_hi;
	platid.dw.dw1 = pref.platid_lo;

	if (platid_match(&platid, &platid_mask_CPU_ARM_STRONGARM_SA1100))
		args.architecture = ARCHITECTURE_ARM_SA1100;
	else if (platid_match(&platid, &platid_mask_CPU_ARM_STRONGARM_SA1110))
		args.architecture = ARCHITECTURE_ARM_SA1100;
	else if (platid_match(&platid, &platid_mask_CPU_ARM_XSCALE_PXA250))
		args.architecture = ARCHITECTURE_ARM_PXA250;
	else
		return FALSE;

	args.memory = MEMORY_MANAGER_LOCKPAGES;

	return super::setup();
}

BOOL
ARMBoot::create()
{
	BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
	BOOL(*unlock_pages)(LPVOID, DWORD);

	// Architecture dependent ops.
	switch (args.architecture) {
	default:
		DPRINTF((TEXT("Unsupported architecture.\n")));
		return FALSE;
	case ARCHITECTURE_ARM_SA1100:
		_arch = new SA1100Architecture(_cons, _mem);
		break;
	case ARCHITECTURE_ARM_PXA250:
		_arch = new PXA2X0Architecture(_cons, _mem);
		break;
	}
	_arch->setDebug() = args.architectureDebug;

	lock_pages = _arch->_load_LockPages();
	unlock_pages = _arch->_load_UnlockPages();
	if (lock_pages == 0 || unlock_pages == 0) {

		DPRINTF((TEXT("couldn't find LockPages/UnlockPages.\n")));
		return FALSE;
	}

	// Memory manager.
	switch(args.memory)
	{
	default:
	case MEMORY_MANAGER_VIRTUALCOPY:
		// FALLTHROUGH
	case MEMORY_MANAGER_SOFTMMU:
		// FALLTHROUGH
	case MEMORY_MANAGER_HARDMMU:
		DPRINTF((TEXT("unsupported memory address detection method.\n")));
		return FALSE;
	case MEMORY_MANAGER_LOCKPAGES:
		_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
		    _cons, 4096);
		break;
	}
	_mem->setDebug() = args.memorymanagerDebug;

	// Console
	if (args.console == CONSOLE_SERIAL) {
		_cons = ARMConsole::Instance(_mem, args.architecture);
		if (_cons == NULL || !_cons->init()) {
			_cons = Console::Instance();
			DPRINTF((TEXT("use LCD console instead.\n")));
		}
	} else {
		_cons = Console::Instance();
	}

	// File Manager, Loader
	return super::create();
}