Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 *

 * BRIEF MODULE DESCRIPTION

 *      PB1500 board setup

 *

 * Copyright 2001 MontaVista Software Inc.

 * Author: MontaVista Software, Inc.

 *              ppopov@mvista.com or source@mvista.com

 *

 *  This program is free software; you can redistribute  it and/or modify it

 *  under  the terms of  the GNU General  Public License as published by the

 *  Free Software Foundation;  either version 2 of the  License, or (at your

 *  option) any later version.

 *

 *  THIS  SOFTWARE  IS PROVIDED   ``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 AUTHOR  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.

 *

 *  You should have received a copy of the  GNU General Public License along

 *  with this program; if not, write  to the Free Software Foundation, Inc.,

 *  675 Mass Ave, Cambridge, MA 02139, USA.

 */

#include <linux/init.h>

#include <linux/mm.h>

#include <linux/sched.h>

#include <linux/bootmem.h>

#include <linux/string.h>

#include <linux/kernel.h>

#include <asm/addrspace.h>

#include <asm/bootinfo.h>

#include <prom.h>

const char *get_system_type(void)

{

        return "Alchemy Pb1500";

}

void __init prom_init(void)

{

        unsigned char *memsize_str;

        unsigned long memsize;

        prom_argc = (int) fw_arg0;

        prom_argv = (char **) fw_arg1;

        prom_envp = (char **) fw_arg2;

        mips_machtype = MACH_PB1500;

        prom_init_cmdline();

        memsize_str = prom_getenv("memsize");

        if (!memsize_str) {

                memsize = 0x04000000;

        } else {

                memsize = simple_strtol(memsize_str, NULL, 0);

        }

        add_memory_region(0, memsize, BOOT_MEM_RAM);

}